updated dip dependencies

go.mod

@@ -5,36 +5,38 @@ go 1.17
 require (
 	github.com/gobuffalo/packr/v2 v2.8.1
 	github.com/karrick/godirwalk v1.16.1 // indirect
-	github.com/labstack/echo/v4 v4.1.17
+	github.com/labstack/echo/v4 v4.6.1
-	github.com/likexian/whois-go v1.7.2
+	github.com/likexian/whois-parser-go v1.15.1 // indirect
-	github.com/likexian/whois-parser-go v1.15.1
+	github.com/mattn/go-colorable v0.1.11 // indirect
-	github.com/mattn/go-colorable v0.1.8 // indirect
 	github.com/rogpeppe/go-internal v1.8.0 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/stretchr/testify v1.7.0 // indirect
-	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 // indirect
+	golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
-	golang.org/x/sys v0.0.0-20210510120138-977fb7262007 // indirect
+	golang.org/x/sys v0.0.0-20211111213525-f221eed1c01e // indirect
-	golang.org/x/term v0.0.0-20210406210042-72f3dc4e9b72 // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
-	golang.org/x/text v0.3.5 // indirect
+	golang.org/x/text v0.3.7 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
 
+require (
+	github.com/likexian/whois v1.12.4
+	github.com/likexian/whois-parser v1.22.0
+)
+
 require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
-	github.com/gobuffalo/logger v1.0.4 // indirect
+	github.com/gobuffalo/logger v1.0.6 // indirect
-	github.com/gobuffalo/packd v1.0.0 // indirect
+	github.com/gobuffalo/packd v1.0.1 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
-	github.com/labstack/gommon v0.3.0 // indirect
+	github.com/labstack/gommon v0.3.1 // indirect
-	github.com/likexian/gokit v0.23.3 // indirect
+	github.com/likexian/gokit v0.25.6 // indirect
 	github.com/markbates/errx v1.1.0 // indirect
 	github.com/markbates/oncer v1.0.0 // indirect
 	github.com/markbates/safe v1.0.1 // indirect
-	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/spf13/cobra v1.2.1 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
-	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
+	golang.org/x/net v0.0.0-20211111160137-58aab5ef257a // indirect
-	golang.org/x/tools v0.1.2 // indirect
+	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
 )

go.sum

@@ -1,71 +1,17 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -74,253 +20,134 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gobuffalo/logger v1.0.3 h1:YaXOTHNPCvkqqA7w05A4v0k2tCdpr+sgFlgINbQ6gqc=
 github.com/gobuffalo/logger v1.0.3/go.mod h1:SoeejUwldiS7ZsyCBphOGURmWdwUFXs0J7TCjEhjKxM=
 github.com/gobuffalo/logger v1.0.4 h1:HFJRqL7AmL4QNvQb9Grss9sDz+3u02VBgAoR03A7q4o=
 github.com/gobuffalo/logger v1.0.4/go.mod h1:/GRUdWb+gM3shxj0P5jiV6ecVS3X0aboJvl+hBu0HeE=
+github.com/gobuffalo/logger v1.0.6 h1:nnZNpxYo0zx+Aj9RfMPBm+x9zAU2OayFh/xrAWi34HU=
+github.com/gobuffalo/logger v1.0.6/go.mod h1:J31TBEHR1QLV2683OXTAItYIg8pv2JMHnF/quuAbMjs=
 github.com/gobuffalo/packd v1.0.0 h1:6ERZvJHfe24rfFmA9OaoKBdC7+c9sydrytMg8SdFGBM=
 github.com/gobuffalo/packd v1.0.0/go.mod h1:6VTc4htmJRFB7u1m/4LeMTWjFoYrUiBkU9Fdec9hrhI=
+github.com/gobuffalo/packd v1.0.1 h1:U2wXfRr4E9DH8IdsDLlRFwTZTK7hLfq9qT/QHXGVe/0=
+github.com/gobuffalo/packd v1.0.1/go.mod h1:PP2POP3p3RXGz7Jh6eYEf93S7vA2za6xM7QT85L4+VY=
 github.com/gobuffalo/packr/v2 v2.8.1 h1:tkQpju6i3EtMXJ9uoF5GT6kB+LMTimDWD8Xvbz6zDVA=
 github.com/gobuffalo/packr/v2 v2.8.1/go.mod h1:c/PLlOuTU+p3SybaJATW3H6lX/iK7xEz5OeMf+NnJpg=
-github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
-github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
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-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

src/dip/main.go

@@ -6,8 +6,8 @@ import (
 	"net"
 
 	"github.com/labstack/echo/v4"
-	"github.com/likexian/whois-go"
+	"github.com/likexian/whois"
-	whoisparser "github.com/likexian/whois-parser-go"
+	whoisparser "github.com/likexian/whois-parser"
 )
 
 // GetIPInfo returns IP address mail informations

vendor/github.com/dgrijalva/jwt-go/.travis.yml

@@ -1,13 +0,0 @@
-language: go
-
-script:
-    - go vet ./...
-    - go test -v ./...
-
-go:
-  - 1.3
-  - 1.4
-  - 1.5
-  - 1.6
-  - 1.7
-  - tip

vendor/github.com/dgrijalva/jwt-go/MIGRATION_GUIDE.md

@@ -1,97 +0,0 @@
-## Migration Guide from v2 -> v3
-
-Version 3 adds several new, frequently requested features.  To do so, it introduces a few breaking changes.  We've worked to keep these as minimal as possible.  This guide explains the breaking changes and how you can quickly update your code.
-
-### `Token.Claims` is now an interface type
-
-The most requested feature from the 2.0 verison of this library was the ability to provide a custom type to the JSON parser for claims. This was implemented by introducing a new interface, `Claims`, to replace `map[string]interface{}`.  We also included two concrete implementations of `Claims`: `MapClaims` and `StandardClaims`.
-
-`MapClaims` is an alias for `map[string]interface{}` with built in validation behavior.  It is the default claims type when using `Parse`.  The usage is unchanged except you must type cast the claims property.
-
-The old example for parsing a token looked like this..
-
-```go
-	if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil {
-		fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
-	}
-```
-
-is now directly mapped to...
-
-```go
-	if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil {
-		claims := token.Claims.(jwt.MapClaims)
-		fmt.Printf("Token for user %v expires %v", claims["user"], claims["exp"])
-	}
-```
-
-`StandardClaims` is designed to be embedded in your custom type.  You can supply a custom claims type with the new `ParseWithClaims` function.  Here's an example of using a custom claims type.
-
-```go
-	type MyCustomClaims struct {
-		User string
-		*StandardClaims
-	}
-	
-	if token, err := jwt.ParseWithClaims(tokenString, &MyCustomClaims{}, keyLookupFunc); err == nil {
-		claims := token.Claims.(*MyCustomClaims)
-		fmt.Printf("Token for user %v expires %v", claims.User, claims.StandardClaims.ExpiresAt)
-	}
-```
-
-### `ParseFromRequest` has been moved
-
-To keep this library focused on the tokens without becoming overburdened with complex request processing logic, `ParseFromRequest` and its new companion `ParseFromRequestWithClaims` have been moved to a subpackage, `request`.  The method signatues have also been augmented to receive a new argument: `Extractor`.
-
-`Extractors` do the work of picking the token string out of a request.  The interface is simple and composable.
-
-This simple parsing example:
-
-```go
-	if token, err := jwt.ParseFromRequest(tokenString, req, keyLookupFunc); err == nil {
-		fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
-	}
-```
-
-is directly mapped to:
-
-```go
-	if token, err := request.ParseFromRequest(req, request.OAuth2Extractor, keyLookupFunc); err == nil {
-		claims := token.Claims.(jwt.MapClaims)
-		fmt.Printf("Token for user %v expires %v", claims["user"], claims["exp"])
-	}
-```
-
-There are several concrete `Extractor` types provided for your convenience:
-
-* `HeaderExtractor` will search a list of headers until one contains content.
-* `ArgumentExtractor` will search a list of keys in request query and form arguments until one contains content.
-* `MultiExtractor` will try a list of `Extractors` in order until one returns content.
-* `AuthorizationHeaderExtractor` will look in the `Authorization` header for a `Bearer` token.
-* `OAuth2Extractor` searches the places an OAuth2 token would be specified (per the spec): `Authorization` header and `access_token` argument
-* `PostExtractionFilter` wraps an `Extractor`, allowing you to process the content before it's parsed.  A simple example is stripping the `Bearer ` text from a header
-
-
-### RSA signing methods no longer accept `[]byte` keys
-
-Due to a [critical vulnerability](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/), we've decided the convenience of accepting `[]byte` instead of `rsa.PublicKey` or `rsa.PrivateKey` isn't worth the risk of misuse.
-
-To replace this behavior, we've added two helper methods: `ParseRSAPrivateKeyFromPEM(key []byte) (*rsa.PrivateKey, error)` and `ParseRSAPublicKeyFromPEM(key []byte) (*rsa.PublicKey, error)`.  These are just simple helpers for unpacking PEM encoded PKCS1 and PKCS8 keys. If your keys are encoded any other way, all you need to do is convert them to the `crypto/rsa` package's types.
-
-```go 
-	func keyLookupFunc(*Token) (interface{}, error) {
-		// Don't forget to validate the alg is what you expect:
-		if _, ok := token.Method.(*jwt.SigningMethodRSA); !ok {
-			return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
-		}
-		
-		// Look up key 
-		key, err := lookupPublicKey(token.Header["kid"])
-		if err != nil {
-			return nil, err
-		}
-		
-		// Unpack key from PEM encoded PKCS8
-		return jwt.ParseRSAPublicKeyFromPEM(key)
-	}
-```

vendor/github.com/gobuffalo/logger/README.md

@@ -2,7 +2,9 @@
 
 <p align="center">
 <a href="https://godoc.org/github.com/gobuffalo/logger"><img src="https://godoc.org/github.com/gobuffalo/logger?status.svg" alt="GoDoc" /></a>
-<a href="https://travis-ci.org/gobuffalo/logger"><img src="https://travis-ci.org/gobuffalo/logger.svg?branch=master" alt="Build Status" /></a>
+
+![Tests](https://github.com/gobuffalo/logger/actions/workflows/tests.yml/badge.svg)
+
 <a href="https://goreportcard.com/report/github.com/gobuffalo/logger"><img src="https://goreportcard.com/badge/github.com/gobuffalo/logger" alt="Go Report Card" /></a>
 </p>
 

vendor/github.com/gobuffalo/logger/version.go

@@ -1,4 +1,4 @@
 package logger
 
 // Version of the logger
-const Version = "v1.0.1"
+const Version = "v1.0.6"

vendor/github.com/golang-jwt/jwt/.gitignore

@@ -1,4 +1,4 @@
 .DS_Store
 bin
-
+.idea/
 

vendor/github.com/golang-jwt/jwt/LICENSE

@@ -1,4 +1,5 @@
 Copyright (c) 2012 Dave Grijalva
+Copyright (c) 2021 golang-jwt maintainers
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

vendor/github.com/golang-jwt/jwt/MIGRATION_GUIDE.md

@@ -0,0 +1,22 @@
+## Migration Guide (v3.2.1)
+
+Starting from [v3.2.1](https://github.com/golang-jwt/jwt/releases/tag/v3.2.1]), the import path has changed from `github.com/dgrijalva/jwt-go` to `github.com/golang-jwt/jwt`. Future releases will be using the `github.com/golang-jwt/jwt` import path and continue the existing versioning scheme of `v3.x.x+incompatible`. Backwards-compatible patches and fixes will be done on the `v3` release branch, where as new build-breaking features will be developed in a `v4` release, possibly including a SIV-style import path.
+
+### go.mod replacement
+
+In a first step, the easiest way is to use `go mod edit` to issue a replacement.
+
+```
+go mod edit -replace github.com/dgrijalva/jwt-go=github.com/golang-jwt/jwt@v3.2.1+incompatible
+go mod tidy
+```
+
+This will still keep the old import path in your code but replace it with the new package and also introduce a new indirect dependency to `github.com/golang-jwt/jwt`. Try to compile your project; it should still work.
+
+### Cleanup
+
+If your code still consistently builds, you can replace all occurences of `github.com/dgrijalva/jwt-go` with `github.com/golang-jwt/jwt`, either manually or by using tools such as `sed`. Finally, the `replace` directive in the `go.mod` file can be removed.
+
+## Older releases (before v3.2.0)
+
+The original migration guide for older releases can be found at https://github.com/dgrijalva/jwt-go/blob/master/MIGRATION_GUIDE.md.

vendor/github.com/golang-jwt/jwt/README.md

@@ -1,25 +1,34 @@
 # jwt-go
 
-[![Build Status](https://travis-ci.org/dgrijalva/jwt-go.svg?branch=master)](https://travis-ci.org/dgrijalva/jwt-go)
+[![build](https://github.com/golang-jwt/jwt/actions/workflows/build.yml/badge.svg)](https://github.com/golang-jwt/jwt/actions/workflows/build.yml)
-[![GoDoc](https://godoc.org/github.com/dgrijalva/jwt-go?status.svg)](https://godoc.org/github.com/dgrijalva/jwt-go)
+[![Go Reference](https://pkg.go.dev/badge/github.com/golang-jwt/jwt.svg)](https://pkg.go.dev/github.com/golang-jwt/jwt)
 
-A [go](http://www.golang.org) (or 'golang' for search engine friendliness) implementation of [JSON Web Tokens](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html)
+A [go](http://www.golang.org) (or 'golang' for search engine friendliness) implementation of [JSON Web Tokens](https://datatracker.ietf.org/doc/html/rfc7519).
 
-**NEW VERSION COMING:** There have been a lot of improvements suggested since the version 3.0.0 released in 2016. I'm working now on cutting two different releases: 3.2.0 will contain any non-breaking changes or enhancements. 4.0.0 will follow shortly which will include breaking changes. See the 4.0.0 milestone to get an idea of what's coming. If you have other ideas, or would like to participate in 4.0.0, now's the time. If you depend on this library and don't want to be interrupted, I recommend you use your dependency mangement tool to pin to version 3. 
+**IMPORT PATH CHANGE:** Starting from [v3.2.1](https://github.com/golang-jwt/jwt/releases/tag/v3.2.1), the import path has changed from `github.com/dgrijalva/jwt-go` to `github.com/golang-jwt/jwt`. After the original author of the library suggested migrating the maintenance of `jwt-go`, a dedicated team of open source maintainers decided to clone the existing library into this repository. See [dgrijalva/jwt-go#462](https://github.com/dgrijalva/jwt-go/issues/462) for a detailed discussion on this topic.
 
-**SECURITY NOTICE:** Some older versions of Go have a security issue in the cryotp/elliptic. Recommendation is to upgrade to at least 1.8.3. See issue #216 for more detail.
+Future releases will be using the `github.com/golang-jwt/jwt` import path and continue the existing versioning scheme of `v3.x.x+incompatible`. Backwards-compatible patches and fixes will be done on the `v3` release branch, where as new build-breaking features will be developed in a `v4` release, possibly including a SIV-style import path.
 
-**SECURITY NOTICE:** It's important that you [validate the `alg` presented is what you expect](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/). This library attempts to make it easy to do the right thing by requiring key types match the expected alg, but you should take the extra step to verify it in your usage.  See the examples provided.
+**SECURITY NOTICE:** Some older versions of Go have a security issue in the crypto/elliptic. Recommendation is to upgrade to at least 1.15 See issue [dgrijalva/jwt-go#216](https://github.com/dgrijalva/jwt-go/issues/216) for more detail.
+
+**SECURITY NOTICE:** It's important that you [validate the `alg` presented is what you expect](https://auth0.com/blog/critical-vulnerabilities-in-json-web-token-libraries/). This library attempts to make it easy to do the right thing by requiring key types match the expected alg, but you should take the extra step to verify it in your usage.  See the examples provided.
+
+### Supported Go versions
+
+Our support of Go versions is aligned with Go's [version release policy](https://golang.org/doc/devel/release#policy).
+So we will support a major version of Go until there are two newer major releases.
+We no longer support building jwt-go with unsupported Go versions, as these contain security vulnerabilities
+which will not be fixed.
 
 ## What the heck is a JWT?
 
 JWT.io has [a great introduction](https://jwt.io/introduction) to JSON Web Tokens.
 
-In short, it's a signed JSON object that does something useful (for example, authentication).  It's commonly used for `Bearer` tokens in Oauth 2.  A token is made of three parts, separated by `.`'s.  The first two parts are JSON objects, that have been [base64url](http://tools.ietf.org/html/rfc4648) encoded.  The last part is the signature, encoded the same way.
+In short, it's a signed JSON object that does something useful (for example, authentication).  It's commonly used for `Bearer` tokens in Oauth 2.  A token is made of three parts, separated by `.`'s.  The first two parts are JSON objects, that have been [base64url](https://datatracker.ietf.org/doc/html/rfc4648) encoded.  The last part is the signature, encoded the same way.
 
 The first part is called the header.  It contains the necessary information for verifying the last part, the signature.  For example, which encryption method was used for signing and what key was used.
 
-The part in the middle is the interesting bit.  It's called the Claims and contains the actual stuff you care about.  Refer to [the RFC](http://self-issued.info/docs/draft-jones-json-web-token.html) for information about reserved keys and the proper way to add your own.
+The part in the middle is the interesting bit.  It's called the Claims and contains the actual stuff you care about.  Refer to [RFC 7519](https://datatracker.ietf.org/doc/html/rfc7519) for information about reserved keys and the proper way to add your own.
 
 ## What's in the box?
 
@@ -27,31 +36,31 @@ This library supports the parsing and verification as well as the generation and
 
 ## Examples
 
-See [the project documentation](https://godoc.org/github.com/dgrijalva/jwt-go) for examples of usage:
+See [the project documentation](https://pkg.go.dev/github.com/golang-jwt/jwt) for examples of usage:
 
-* [Simple example of parsing and validating a token](https://godoc.org/github.com/dgrijalva/jwt-go#example-Parse--Hmac)
+* [Simple example of parsing and validating a token](https://pkg.go.dev/github.com/golang-jwt/jwt#example-Parse-Hmac)
-* [Simple example of building and signing a token](https://godoc.org/github.com/dgrijalva/jwt-go#example-New--Hmac)
+* [Simple example of building and signing a token](https://pkg.go.dev/github.com/golang-jwt/jwt#example-New-Hmac)
-* [Directory of Examples](https://godoc.org/github.com/dgrijalva/jwt-go#pkg-examples)
+* [Directory of Examples](https://pkg.go.dev/github.com/golang-jwt/jwt#pkg-examples)
 
 ## Extensions
 
 This library publishes all the necessary components for adding your own signing methods.  Simply implement the `SigningMethod` interface and register a factory method using `RegisterSigningMethod`.  
 
-Here's an example of an extension that integrates with the Google App Engine signing tools: https://github.com/someone1/gcp-jwt-go
+Here's an example of an extension that integrates with multiple Google Cloud Platform signing tools (AppEngine, IAM API, Cloud KMS): https://github.com/someone1/gcp-jwt-go
 
 ## Compliance
 
-This library was last reviewed to comply with [RTF 7519](http://www.rfc-editor.org/info/rfc7519) dated May 2015 with a few notable differences:
+This library was last reviewed to comply with [RTF 7519](https://datatracker.ietf.org/doc/html/rfc7519) dated May 2015 with a few notable differences:
 
-* In order to protect against accidental use of [Unsecured JWTs](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html#UnsecuredJWT), tokens using `alg=none` will only be accepted if the constant `jwt.UnsafeAllowNoneSignatureType` is provided as the key.
+* In order to protect against accidental use of [Unsecured JWTs](https://datatracker.ietf.org/doc/html/rfc7519#section-6), tokens using `alg=none` will only be accepted if the constant `jwt.UnsafeAllowNoneSignatureType` is provided as the key.
 
 ## Project Status & Versioning
 
 This library is considered production ready.  Feedback and feature requests are appreciated.  The API should be considered stable.  There should be very few backwards-incompatible changes outside of major version updates (and only with good reason).
 
-This project uses [Semantic Versioning 2.0.0](http://semver.org).  Accepted pull requests will land on `master`.  Periodically, versions will be tagged from `master`.  You can find all the releases on [the project releases page](https://github.com/dgrijalva/jwt-go/releases).
+This project uses [Semantic Versioning 2.0.0](http://semver.org).  Accepted pull requests will land on `main`.  Periodically, versions will be tagged from `main`.  You can find all the releases on [the project releases page](https://github.com/golang-jwt/jwt/releases).
 
-While we try to make it obvious when we make breaking changes, there isn't a great mechanism for pushing announcements out to users.  You may want to use this alternative package include: `gopkg.in/dgrijalva/jwt-go.v3`.  It will do the right thing WRT semantic versioning.
+While we try to make it obvious when we make breaking changes, there isn't a great mechanism for pushing announcements out to users.  You may want to use this alternative package include: `gopkg.in/golang-jwt/jwt.v3`.  It will do the right thing WRT semantic versioning.
 
 **BREAKING CHANGES:*** 
 * Version 3.0.0 includes _a lot_ of changes from the 2.x line, including a few that break the API.  We've tried to break as few things as possible, so there should just be a few type signature changes.  A full list of breaking changes is available in `VERSION_HISTORY.md`.  See `MIGRATION_GUIDE.md` for more information on updating your code.
@@ -79,9 +88,9 @@ Asymmetric signing methods, such as RSA, use different keys for signing and veri
 
 Each signing method expects a different object type for its signing keys. See the package documentation for details. Here are the most common ones:
 
-* The [HMAC signing method](https://godoc.org/github.com/dgrijalva/jwt-go#SigningMethodHMAC) (`HS256`,`HS384`,`HS512`) expect `[]byte` values for signing and validation
+* The [HMAC signing method](https://pkg.go.dev/github.com/golang-jwt/jwt#SigningMethodHMAC) (`HS256`,`HS384`,`HS512`) expect `[]byte` values for signing and validation
-* The [RSA signing method](https://godoc.org/github.com/dgrijalva/jwt-go#SigningMethodRSA) (`RS256`,`RS384`,`RS512`) expect `*rsa.PrivateKey` for signing and `*rsa.PublicKey` for validation
+* The [RSA signing method](https://pkg.go.dev/github.com/golang-jwt/jwt#SigningMethodRSA) (`RS256`,`RS384`,`RS512`) expect `*rsa.PrivateKey` for signing and `*rsa.PublicKey` for validation
-* The [ECDSA signing method](https://godoc.org/github.com/dgrijalva/jwt-go#SigningMethodECDSA) (`ES256`,`ES384`,`ES512`) expect `*ecdsa.PrivateKey` for signing and `*ecdsa.PublicKey` for validation
+* The [ECDSA signing method](https://pkg.go.dev/github.com/golang-jwt/jwt#SigningMethodECDSA) (`ES256`,`ES384`,`ES512`) expect `*ecdsa.PrivateKey` for signing and `*ecdsa.PublicKey` for validation
 
 ### JWT and OAuth
 
@@ -93,8 +102,12 @@ Without going too far down the rabbit hole, here's a description of the interact
 * OAuth defines several options for passing around authentication data. One popular method is called a "bearer token". A bearer token is simply a string that _should_ only be held by an authenticated user. Thus, simply presenting this token proves your identity. You can probably derive from here why a JWT might make a good bearer token.
 * Because bearer tokens are used for authentication, it's important they're kept secret. This is why transactions that use bearer tokens typically happen over SSL.
 
+### Troubleshooting
+
+This library uses descriptive error messages whenever possible. If you are not getting the expected result, have a look at the errors. The most common place people get stuck is providing the correct type of key to the parser. See the above section on signing methods and key types.
+
 ## More
 
-Documentation can be found [on godoc.org](http://godoc.org/github.com/dgrijalva/jwt-go).
+Documentation can be found [on pkg.go.dev](https://pkg.go.dev/github.com/golang-jwt/jwt).
 
 The command line utility included in this project (cmd/jwt) provides a straightforward example of token creation and parsing as well as a useful tool for debugging your own integration. You'll also find several implementation examples in the documentation.

vendor/github.com/golang-jwt/jwt/VERSION_HISTORY.md

@@ -1,5 +1,18 @@
 ## `jwt-go` Version History
 
+#### 3.2.2
+
+* Starting from this release, we are adopting the policy to support the most 2 recent versions of Go currently available. By the time of this release, this is Go 1.15 and 1.16 ([#28](https://github.com/golang-jwt/jwt/pull/28)).
+* Fixed a potential issue that could occur when the verification of `exp`, `iat` or `nbf` was not required and contained invalid contents, i.e. non-numeric/date. Thanks for @thaJeztah for making us aware of that and @giorgos-f3 for originally reporting it to the formtech fork ([#40](https://github.com/golang-jwt/jwt/pull/40)).
+* Added support for EdDSA / ED25519 ([#36](https://github.com/golang-jwt/jwt/pull/36)).
+* Optimized allocations ([#33](https://github.com/golang-jwt/jwt/pull/33)).
+
+#### 3.2.1
+
+* **Import Path Change**: See MIGRATION_GUIDE.md for tips on updating your code
+	* Changed the import path from `github.com/dgrijalva/jwt-go` to `github.com/golang-jwt/jwt`
+* Fixed type confusing issue between `string` and `[]string` in `VerifyAudience` ([#12](https://github.com/golang-jwt/jwt/pull/12)). This fixes CVE-2020-26160 
+
 #### 3.2.0
 
 * Added method `ParseUnverified` to allow users to split up the tasks of parsing and validation
@@ -115,4 +128,4 @@ It is likely the only integration change required here will be to change `func(t
 * First versioned release
 * API stabilized
 * Supports creating, signing, parsing, and validating JWT tokens
-* Supports RS256 and HS256 signing methods
+* Supports RS256 and HS256 signing methods

vendor/github.com/golang-jwt/jwt/claims.go

@@ -35,18 +35,18 @@ func (c StandardClaims) Valid() error {
 
 	// The claims below are optional, by default, so if they are set to the
 	// default value in Go, let's not fail the verification for them.
-	if c.VerifyExpiresAt(now, false) == false {
+	if !c.VerifyExpiresAt(now, false) {
 		delta := time.Unix(now, 0).Sub(time.Unix(c.ExpiresAt, 0))
 		vErr.Inner = fmt.Errorf("token is expired by %v", delta)
 		vErr.Errors |= ValidationErrorExpired
 	}
 
-	if c.VerifyIssuedAt(now, false) == false {
+	if !c.VerifyIssuedAt(now, false) {
 		vErr.Inner = fmt.Errorf("Token used before issued")
 		vErr.Errors |= ValidationErrorIssuedAt
 	}
 
-	if c.VerifyNotBefore(now, false) == false {
+	if !c.VerifyNotBefore(now, false) {
 		vErr.Inner = fmt.Errorf("token is not valid yet")
 		vErr.Errors |= ValidationErrorNotValidYet
 	}
@@ -61,7 +61,7 @@ func (c StandardClaims) Valid() error {
 // Compares the aud claim against cmp.
 // If required is false, this method will return true if the value matches or is unset
 func (c *StandardClaims) VerifyAudience(cmp string, req bool) bool {
-	return verifyAud(c.Audience, cmp, req)
+	return verifyAud([]string{c.Audience}, cmp, req)
 }
 
 // Compares the exp claim against cmp.
@@ -90,15 +90,27 @@ func (c *StandardClaims) VerifyNotBefore(cmp int64, req bool) bool {
 
 // ----- helpers
 
-func verifyAud(aud string, cmp string, required bool) bool {
+func verifyAud(aud []string, cmp string, required bool) bool {
-	if aud == "" {
+	if len(aud) == 0 {
 		return !required
 	}
-	if subtle.ConstantTimeCompare([]byte(aud), []byte(cmp)) != 0 {
+	// use a var here to keep constant time compare when looping over a number of claims
-		return true
+	result := false
-	} else {
+
-		return false
+	var stringClaims string
+	for _, a := range aud {
+		if subtle.ConstantTimeCompare([]byte(a), []byte(cmp)) != 0 {
+			result = true
+		}
+		stringClaims = stringClaims + a
 	}
+
+	// case where "" is sent in one or many aud claims
+	if len(stringClaims) == 0 {
+		return !required
+	}
+
+	return result
 }
 
 func verifyExp(exp int64, now int64, required bool) bool {

vendor/github.com/golang-jwt/jwt/ecdsa.go

@@ -88,11 +88,11 @@ func (m *SigningMethodECDSA) Verify(signingString, signature string, key interfa
 	hasher.Write([]byte(signingString))
 
 	// Verify the signature
-	if verifystatus := ecdsa.Verify(ecdsaKey, hasher.Sum(nil), r, s); verifystatus == true {
+	if verifystatus := ecdsa.Verify(ecdsaKey, hasher.Sum(nil), r, s); verifystatus {
 		return nil
-	} else {
-		return ErrECDSAVerification
 	}
+
+	return ErrECDSAVerification
 }
 
 // Implements the Sign method from SigningMethod
@@ -128,18 +128,12 @@ func (m *SigningMethodECDSA) Sign(signingString string, key interface{}) (string
 			keyBytes += 1
 		}
 
-		// We serialize the outpus (r and s) into big-endian byte arrays and pad
+		// We serialize the outputs (r and s) into big-endian byte arrays
-		// them with zeros on the left to make sure the sizes work out. Both arrays
+		// padded with zeros on the left to make sure the sizes work out.
-		// must be keyBytes long, and the output must be 2*keyBytes long.
+		// Output must be 2*keyBytes long.
-		rBytes := r.Bytes()
+		out := make([]byte, 2*keyBytes)
-		rBytesPadded := make([]byte, keyBytes)
+		r.FillBytes(out[0:keyBytes]) // r is assigned to the first half of output.
-		copy(rBytesPadded[keyBytes-len(rBytes):], rBytes)
+		s.FillBytes(out[keyBytes:])  // s is assigned to the second half of output.
-
-		sBytes := s.Bytes()
-		sBytesPadded := make([]byte, keyBytes)
-		copy(sBytesPadded[keyBytes-len(sBytes):], sBytes)
-
-		out := append(rBytesPadded, sBytesPadded...)
 
 		return EncodeSegment(out), nil
 	} else {

vendor/github.com/golang-jwt/jwt/ecdsa_utils.go

@@ -25,7 +25,9 @@ func ParseECPrivateKeyFromPEM(key []byte) (*ecdsa.PrivateKey, error) {
 	// Parse the key
 	var parsedKey interface{}
 	if parsedKey, err = x509.ParseECPrivateKey(block.Bytes); err != nil {
-		return nil, err
+		if parsedKey, err = x509.ParsePKCS8PrivateKey(block.Bytes); err != nil {
+			return nil, err
+		}
 	}
 
 	var pkey *ecdsa.PrivateKey

vendor/github.com/golang-jwt/jwt/ed25519.go

@@ -0,0 +1,81 @@
+package jwt
+
+import (
+	"errors"
+
+	"crypto/ed25519"
+)
+
+var (
+	ErrEd25519Verification = errors.New("ed25519: verification error")
+)
+
+// Implements the EdDSA family
+// Expects ed25519.PrivateKey for signing and ed25519.PublicKey for verification
+type SigningMethodEd25519 struct{}
+
+// Specific instance for EdDSA
+var (
+	SigningMethodEdDSA *SigningMethodEd25519
+)
+
+func init() {
+	SigningMethodEdDSA = &SigningMethodEd25519{}
+	RegisterSigningMethod(SigningMethodEdDSA.Alg(), func() SigningMethod {
+		return SigningMethodEdDSA
+	})
+}
+
+func (m *SigningMethodEd25519) Alg() string {
+	return "EdDSA"
+}
+
+// Implements the Verify method from SigningMethod
+// For this verify method, key must be an ed25519.PublicKey
+func (m *SigningMethodEd25519) Verify(signingString, signature string, key interface{}) error {
+	var err error
+	var ed25519Key ed25519.PublicKey
+	var ok bool
+
+	if ed25519Key, ok = key.(ed25519.PublicKey); !ok {
+		return ErrInvalidKeyType
+	}
+
+	if len(ed25519Key) != ed25519.PublicKeySize {
+		return ErrInvalidKey
+	}
+
+	// Decode the signature
+	var sig []byte
+	if sig, err = DecodeSegment(signature); err != nil {
+		return err
+	}
+
+	// Verify the signature
+	if !ed25519.Verify(ed25519Key, []byte(signingString), sig) {
+		return ErrEd25519Verification
+	}
+
+	return nil
+}
+
+// Implements the Sign method from SigningMethod
+// For this signing method, key must be an ed25519.PrivateKey
+func (m *SigningMethodEd25519) Sign(signingString string, key interface{}) (string, error) {
+	var ed25519Key ed25519.PrivateKey
+	var ok bool
+
+	if ed25519Key, ok = key.(ed25519.PrivateKey); !ok {
+		return "", ErrInvalidKeyType
+	}
+
+	// ed25519.Sign panics if private key not equal to ed25519.PrivateKeySize
+	// this allows to avoid recover usage
+	if len(ed25519Key) != ed25519.PrivateKeySize {
+		return "", ErrInvalidKey
+	}
+
+	// Sign the string and return the encoded result
+	sig := ed25519.Sign(ed25519Key, []byte(signingString))
+	return EncodeSegment(sig), nil
+}

vendor/github.com/golang-jwt/jwt/ed25519_utils.go

@@ -0,0 +1,64 @@
+package jwt
+
+import (
+	"crypto"
+	"crypto/ed25519"
+	"crypto/x509"
+	"encoding/pem"
+	"errors"
+)
+
+var (
+	ErrNotEdPrivateKey = errors.New("Key is not a valid Ed25519 private key")
+	ErrNotEdPublicKey  = errors.New("Key is not a valid Ed25519 public key")
+)
+
+// Parse PEM-encoded Edwards curve private key
+func ParseEdPrivateKeyFromPEM(key []byte) (crypto.PrivateKey, error) {
+	var err error
+
+	// Parse PEM block
+	var block *pem.Block
+	if block, _ = pem.Decode(key); block == nil {
+		return nil, ErrKeyMustBePEMEncoded
+	}
+
+	// Parse the key
+	var parsedKey interface{}
+	if parsedKey, err = x509.ParsePKCS8PrivateKey(block.Bytes); err != nil {
+		return nil, err
+	}
+
+	var pkey ed25519.PrivateKey
+	var ok bool
+	if pkey, ok = parsedKey.(ed25519.PrivateKey); !ok {
+		return nil, ErrNotEdPrivateKey
+	}
+
+	return pkey, nil
+}
+
+// Parse PEM-encoded Edwards curve public key
+func ParseEdPublicKeyFromPEM(key []byte) (crypto.PublicKey, error) {
+	var err error
+
+	// Parse PEM block
+	var block *pem.Block
+	if block, _ = pem.Decode(key); block == nil {
+		return nil, ErrKeyMustBePEMEncoded
+	}
+
+	// Parse the key
+	var parsedKey interface{}
+	if parsedKey, err = x509.ParsePKIXPublicKey(block.Bytes); err != nil {
+		return nil, err
+	}
+
+	var pkey ed25519.PublicKey
+	var ok bool
+	if pkey, ok = parsedKey.(ed25519.PublicKey); !ok {
+		return nil, ErrNotEdPublicKey
+	}
+
+	return pkey, nil
+}

vendor/github.com/golang-jwt/jwt/map_claims.go

@@ -10,37 +10,59 @@ import (
 // This is the default claims type if you don't supply one
 type MapClaims map[string]interface{}
 
-// Compares the aud claim against cmp.
+// VerifyAudience Compares the aud claim against cmp.
 // If required is false, this method will return true if the value matches or is unset
 func (m MapClaims) VerifyAudience(cmp string, req bool) bool {
-	aud, _ := m["aud"].(string)
+	var aud []string
+	switch v := m["aud"].(type) {
+	case string:
+		aud = append(aud, v)
+	case []string:
+		aud = v
+	case []interface{}:
+		for _, a := range v {
+			vs, ok := a.(string)
+			if !ok {
+				return false
+			}
+			aud = append(aud, vs)
+		}
+	}
 	return verifyAud(aud, cmp, req)
 }
 
 // Compares the exp claim against cmp.
 // If required is false, this method will return true if the value matches or is unset
 func (m MapClaims) VerifyExpiresAt(cmp int64, req bool) bool {
-	switch exp := m["exp"].(type) {
+	exp, ok := m["exp"]
+	if !ok {
+		return !req
+	}
+	switch expType := exp.(type) {
 	case float64:
-		return verifyExp(int64(exp), cmp, req)
+		return verifyExp(int64(expType), cmp, req)
 	case json.Number:
-		v, _ := exp.Int64()
+		v, _ := expType.Int64()
 		return verifyExp(v, cmp, req)
 	}
-	return req == false
+	return false
 }
 
 // Compares the iat claim against cmp.
 // If required is false, this method will return true if the value matches or is unset
 func (m MapClaims) VerifyIssuedAt(cmp int64, req bool) bool {
-	switch iat := m["iat"].(type) {
+	iat, ok := m["iat"]
+	if !ok {
+		return !req
+	}
+	switch iatType := iat.(type) {
 	case float64:
-		return verifyIat(int64(iat), cmp, req)
+		return verifyIat(int64(iatType), cmp, req)
 	case json.Number:
-		v, _ := iat.Int64()
+		v, _ := iatType.Int64()
 		return verifyIat(v, cmp, req)
 	}
-	return req == false
+	return false
 }
 
 // Compares the iss claim against cmp.
@@ -53,14 +75,18 @@ func (m MapClaims) VerifyIssuer(cmp string, req bool) bool {
 // Compares the nbf claim against cmp.
 // If required is false, this method will return true if the value matches or is unset
 func (m MapClaims) VerifyNotBefore(cmp int64, req bool) bool {
-	switch nbf := m["nbf"].(type) {
+	nbf, ok := m["nbf"]
+	if !ok {
+		return !req
+	}
+	switch nbfType := nbf.(type) {
 	case float64:
-		return verifyNbf(int64(nbf), cmp, req)
+		return verifyNbf(int64(nbfType), cmp, req)
 	case json.Number:
-		v, _ := nbf.Int64()
+		v, _ := nbfType.Int64()
 		return verifyNbf(v, cmp, req)
 	}
-	return req == false
+	return false
 }
 
 // Validates time based claims "exp, iat, nbf".
@@ -71,17 +97,17 @@ func (m MapClaims) Valid() error {
 	vErr := new(ValidationError)
 	now := TimeFunc().Unix()
 
-	if m.VerifyExpiresAt(now, false) == false {
+	if !m.VerifyExpiresAt(now, false) {
 		vErr.Inner = errors.New("Token is expired")
 		vErr.Errors |= ValidationErrorExpired
 	}
 
-	if m.VerifyIssuedAt(now, false) == false {
+	if !m.VerifyIssuedAt(now, false) {
 		vErr.Inner = errors.New("Token used before issued")
 		vErr.Errors |= ValidationErrorIssuedAt
 	}
 
-	if m.VerifyNotBefore(now, false) == false {
+	if !m.VerifyNotBefore(now, false) {
 		vErr.Inner = errors.New("Token is not valid yet")
 		vErr.Errors |= ValidationErrorNotValidYet
 	}

vendor/github.com/golang-jwt/jwt/rsa_pss.go

@@ -12,9 +12,14 @@ import (
 type SigningMethodRSAPSS struct {
 	*SigningMethodRSA
 	Options *rsa.PSSOptions
+	// VerifyOptions is optional. If set overrides Options for rsa.VerifyPPS.
+	// Used to accept tokens signed with rsa.PSSSaltLengthAuto, what doesn't follow
+	// https://tools.ietf.org/html/rfc7518#section-3.5 but was used previously.
+	// See https://github.com/dgrijalva/jwt-go/issues/285#issuecomment-437451244 for details.
+	VerifyOptions *rsa.PSSOptions
 }
 
-// Specific instances for RS/PS and company
+// Specific instances for RS/PS and company.
 var (
 	SigningMethodPS256 *SigningMethodRSAPSS
 	SigningMethodPS384 *SigningMethodRSAPSS
@@ -24,13 +29,15 @@ var (
 func init() {
 	// PS256
 	SigningMethodPS256 = &SigningMethodRSAPSS{
-		&SigningMethodRSA{
+		SigningMethodRSA: &SigningMethodRSA{
 			Name: "PS256",
 			Hash: crypto.SHA256,
 		},
-		&rsa.PSSOptions{
+		Options: &rsa.PSSOptions{
+			SaltLength: rsa.PSSSaltLengthEqualsHash,
+		},
+		VerifyOptions: &rsa.PSSOptions{
 			SaltLength: rsa.PSSSaltLengthAuto,
-			Hash:       crypto.SHA256,
 		},
 	}
 	RegisterSigningMethod(SigningMethodPS256.Alg(), func() SigningMethod {
@@ -39,13 +46,15 @@ func init() {
 
 	// PS384
 	SigningMethodPS384 = &SigningMethodRSAPSS{
-		&SigningMethodRSA{
+		SigningMethodRSA: &SigningMethodRSA{
 			Name: "PS384",
 			Hash: crypto.SHA384,
 		},
-		&rsa.PSSOptions{
+		Options: &rsa.PSSOptions{
+			SaltLength: rsa.PSSSaltLengthEqualsHash,
+		},
+		VerifyOptions: &rsa.PSSOptions{
 			SaltLength: rsa.PSSSaltLengthAuto,
-			Hash:       crypto.SHA384,
 		},
 	}
 	RegisterSigningMethod(SigningMethodPS384.Alg(), func() SigningMethod {
@@ -54,13 +63,15 @@ func init() {
 
 	// PS512
 	SigningMethodPS512 = &SigningMethodRSAPSS{
-		&SigningMethodRSA{
+		SigningMethodRSA: &SigningMethodRSA{
 			Name: "PS512",
 			Hash: crypto.SHA512,
 		},
-		&rsa.PSSOptions{
+		Options: &rsa.PSSOptions{
+			SaltLength: rsa.PSSSaltLengthEqualsHash,
+		},
+		VerifyOptions: &rsa.PSSOptions{
 			SaltLength: rsa.PSSSaltLengthAuto,
-			Hash:       crypto.SHA512,
 		},
 	}
 	RegisterSigningMethod(SigningMethodPS512.Alg(), func() SigningMethod {
@@ -94,7 +105,12 @@ func (m *SigningMethodRSAPSS) Verify(signingString, signature string, key interf
 	hasher := m.Hash.New()
 	hasher.Write([]byte(signingString))
 
-	return rsa.VerifyPSS(rsaKey, m.Hash, hasher.Sum(nil), sig, m.Options)
+	opts := m.Options
+	if m.VerifyOptions != nil {
+		opts = m.VerifyOptions
+	}
+
+	return rsa.VerifyPSS(rsaKey, m.Hash, hasher.Sum(nil), sig, opts)
 }
 
 // Implements the Sign method from SigningMethod

vendor/github.com/golang-jwt/jwt/rsa_utils.go

@@ -8,7 +8,7 @@ import (
 )
 
 var (
-	ErrKeyMustBePEMEncoded = errors.New("Invalid Key: Key must be PEM encoded PKCS1 or PKCS8 private key")
+	ErrKeyMustBePEMEncoded = errors.New("Invalid Key: Key must be a PEM encoded PKCS1 or PKCS8 key")
 	ErrNotRSAPrivateKey    = errors.New("Key is not a valid RSA private key")
 	ErrNotRSAPublicKey     = errors.New("Key is not a valid RSA public key")
 )

vendor/github.com/golang-jwt/jwt/token.go

@@ -65,7 +65,7 @@ func (t *Token) SignedString(key interface{}) (string, error) {
 func (t *Token) SigningString() (string, error) {
 	var err error
 	parts := make([]string, 2)
-	for i, _ := range parts {
+	for i := range parts {
 		var jsonValue []byte
 		if i == 0 {
 			if jsonValue, err = json.Marshal(t.Header); err != nil {
@@ -95,14 +95,10 @@ func ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc) (*Token
 
 // Encode JWT specific base64url encoding with padding stripped
 func EncodeSegment(seg []byte) string {
-	return strings.TrimRight(base64.URLEncoding.EncodeToString(seg), "=")
+	return base64.RawURLEncoding.EncodeToString(seg)
 }
 
 // Decode JWT specific base64url encoding with padding stripped
 func DecodeSegment(seg string) ([]byte, error) {
-	if l := len(seg) % 4; l > 0 {
+	return base64.RawURLEncoding.DecodeString(seg)
-		seg += strings.Repeat("=", 4-l)
-	}
-
-	return base64.URLEncoding.DecodeString(seg)
 }

vendor/github.com/labstack/echo/v4/.gitignore

@@ -5,3 +5,4 @@ vendor
 .idea
 *.iml
 *.out
+.vscode

vendor/github.com/labstack/echo/v4/.travis.yml

@@ -1,3 +1,7 @@
+arch:
+  - amd64
+  - ppc64le
+  
 language: go
 go:
   - 1.14.x

vendor/github.com/labstack/echo/v4/CHANGELOG.md

@@ -0,0 +1,190 @@
+# Changelog
+
+## v4.6.1 - 2021-09-26
+
+**Enhancements**
+
+* Add start time to request logger middleware values [#1991](https://github.com/labstack/echo/pull/1991)
+
+## v4.6.0 - 2021-09-20
+
+Introduced a new [request logger](https://github.com/labstack/echo/blob/master/middleware/request_logger.go) middleware 
+to help with cases when you want to use some other logging library in your application.
+
+**Fixes**
+
+* fix timeout middleware warning: superfluous response.WriteHeader [#1905](https://github.com/labstack/echo/issues/1905)
+
+**Enhancements**
+
+* Add Cookie to KeyAuth middleware's KeyLookup [#1929](https://github.com/labstack/echo/pull/1929)
+* JWT middleware should ignore case of auth scheme in request header [#1951](https://github.com/labstack/echo/pull/1951)
+* Refactor default error handler to return first if response is already committed [#1956](https://github.com/labstack/echo/pull/1956)
+* Added request logger middleware which helps to use custom logger library for logging requests. [#1980](https://github.com/labstack/echo/pull/1980)
+* Allow escaping of colon in route path so Google Cloud API "custom methods" could be implemented [#1988](https://github.com/labstack/echo/pull/1988)
+
+## v4.5.0 - 2021-08-01
+
+**Important notes**
+
+A **BREAKING CHANGE** is introduced for JWT middleware users.
+The JWT library used for the JWT middleware had to be changed from [github.com/dgrijalva/jwt-go](https://github.com/dgrijalva/jwt-go) to
+[github.com/golang-jwt/jwt](https://github.com/golang-jwt/jwt) due former library being unmaintained and affected by security
+issues.
+The [github.com/golang-jwt/jwt](https://github.com/golang-jwt/jwt) project is a drop-in replacement, but supports only the latest 2 Go versions.
+So for JWT middleware users Go 1.15+ is required. For detailed information please read [#1940](https://github.com/labstack/echo/discussions/)
+
+To change the library imports in all .go files in your project replace all occurrences of `dgrijalva/jwt-go` with `golang-jwt/jwt`.
+
+For Linux CLI you can use:
+```bash
+find -type f -name "*.go" -exec sed -i "s/dgrijalva\/jwt-go/golang-jwt\/jwt/g" {} \;
+go mod tidy
+```
+
+**Fixes**
+
+* Change JWT library to `github.com/golang-jwt/jwt` [#1946](https://github.com/labstack/echo/pull/1946)
+
+## v4.4.0 - 2021-07-12
+
+**Fixes**
+
+* Split HeaderXForwardedFor header only by comma [#1878](https://github.com/labstack/echo/pull/1878)
+* Fix Timeout middleware Context propagation [#1910](https://github.com/labstack/echo/pull/1910)
+ 
+**Enhancements**
+
+* Bind data using headers as source [#1866](https://github.com/labstack/echo/pull/1866)
+* Adds JWTConfig.ParseTokenFunc to JWT middleware to allow different libraries implementing JWT parsing. [#1887](https://github.com/labstack/echo/pull/1887)
+* Adding tests for Echo#Host [#1895](https://github.com/labstack/echo/pull/1895)
+* Adds RequestIDHandler function to RequestID middleware [#1898](https://github.com/labstack/echo/pull/1898)
+* Allow for custom JSON encoding implementations [#1880](https://github.com/labstack/echo/pull/1880)
+
+## v4.3.0 - 2021-05-08
+
+**Important notes**
+
+* Route matching has improvements for following cases:
+  1. Correctly match routes with parameter part as last part of route (with trailing backslash)
+  2. Considering handlers when resolving routes and search for matching http method handler
+* Echo minimal Go version is now 1.13. 
+
+**Fixes**
+
+* When url ends with slash first param route is the match [#1804](https://github.com/labstack/echo/pull/1812)
+* Router should check if node is suitable as matching route by path+method and if not then continue search in tree [#1808](https://github.com/labstack/echo/issues/1808)
+* Fix timeout middleware not writing response correctly when handler panics [#1864](https://github.com/labstack/echo/pull/1864)
+* Fix binder not working with embedded pointer structs [#1861](https://github.com/labstack/echo/pull/1861)
+* Add Go 1.16 to CI and drop 1.12 specific code [#1850](https://github.com/labstack/echo/pull/1850)
+
+**Enhancements**
+
+* Make KeyFunc public in JWT middleware [#1756](https://github.com/labstack/echo/pull/1756)
+* Add support for optional filesystem to the static middleware [#1797](https://github.com/labstack/echo/pull/1797)
+* Add a custom error handler to key-auth middleware [#1847](https://github.com/labstack/echo/pull/1847)
+* Allow JWT token to be looked up from multiple sources [#1845](https://github.com/labstack/echo/pull/1845)
+
+## v4.2.2 - 2021-04-07
+
+**Fixes**
+
+* Allow proxy middleware to use query part in rewrite (#1802)
+* Fix timeout middleware not sending status code when handler returns an error (#1805)
+* Fix Bind() when target is array/slice and path/query params complains bind target not being struct (#1835)
+* Fix panic in redirect middleware on short host name (#1813)
+* Fix timeout middleware docs (#1836)
+
+## v4.2.1 - 2021-03-08
+
+**Important notes**
+
+Due to a datarace the config parameters for the newly added timeout middleware required a change.
+See the [docs](https://echo.labstack.com/middleware/timeout).
+A performance regression has been fixed, even bringing better performance than before for some routing scenarios.
+
+**Fixes**
+
+* Fix performance regression caused by path escaping (#1777, #1798, #1799, aldas)
+* Avoid context canceled errors (#1789, clwluvw)
+* Improve router to use on stack backtracking (#1791, aldas, stffabi)
+* Fix panic in timeout middleware not being not recovered and cause application crash (#1794, aldas)
+* Fix Echo.Serve() not serving on HTTP port correctly when TLSListener is used (#1785, #1793, aldas)
+* Apply go fmt (#1788, Le0tk0k)
+* Uses strings.Equalfold (#1790, rkilingr)
+* Improve code quality (#1792, withshubh)
+
+This release was made possible by our **contributors**:
+aldas, clwluvw, lammel, Le0tk0k, maciej-jezierski, rkilingr, stffabi, withshubh
+
+## v4.2.0 - 2021-02-11
+
+**Important notes**
+
+The behaviour for binding data has been reworked for compatibility with echo before v4.1.11 by
+enforcing `explicit tagging` for processing parameters. This **may break** your code if you 
+expect combined handling of query/path/form params.
+Please see the updated documentation for [request](https://echo.labstack.com/guide/request) and [binding](https://echo.labstack.com/guide/request)
+
+The handling for rewrite rules has been slightly adjusted to expand `*` to a non-greedy `(.*?)` capture group. This is only relevant if multiple asterisks are used in your rules.
+Please see [rewrite](https://echo.labstack.com/middleware/rewrite) and [proxy](https://echo.labstack.com/middleware/proxy) for details.
+
+**Security**
+
+* Fix directory traversal vulnerability for Windows (#1718, little-cui)
+* Fix open redirect vulnerability with trailing slash (#1771,#1775 aldas,GeoffreyFrogeye)
+
+**Enhancements**
+
+* Add Echo#ListenerNetwork as configuration (#1667, pafuent)
+* Add ability to change the status code using response beforeFuncs (#1706, RashadAnsari)
+* Echo server startup to allow data race free access to listener address
+* Binder: Restore pre v4.1.11 behaviour for c.Bind() to use query params only for GET or DELETE methods (#1727, aldas)
+* Binder: Add separate methods to bind only query params, path params or request body (#1681, aldas)
+* Binder: New fluent binder for query/path/form parameter binding (#1717, #1736, aldas)
+* Router: Performance improvements for missed routes (#1689, pafuent)
+* Router: Improve performance for Real-IP detection using IndexByte instead of Split (#1640, imxyb)
+* Middleware: Support real regex rules for rewrite and proxy middleware (#1767)
+* Middleware: New rate limiting middleware (#1724, iambenkay)
+* Middleware: New timeout middleware implementation for go1.13+ (#1743, )
+* Middleware: Allow regex pattern for CORS middleware (#1623, KlotzAndrew)
+* Middleware: Add IgnoreBase parameter to static middleware (#1701, lnenad, iambenkay)
+* Middleware: Add an optional custom function to CORS middleware to validate origin (#1651, curvegrid)
+* Middleware: Support form fields in JWT middleware (#1704, rkfg)
+* Middleware: Use sync.Pool for (de)compress middleware to improve performance (#1699, #1672, pafuent)
+* Middleware: Add decompress middleware to support gzip compressed requests (#1687, arun0009)
+* Middleware: Add ErrJWTInvalid for JWT middleware (#1627, juanbelieni)
+* Middleware: Add SameSite mode for CSRF cookies to support iframes (#1524, pr0head)
+
+**Fixes**
+
+* Fix handling of special trailing slash case for partial prefix (#1741, stffabi)
+* Fix handling of static routes with trailing slash (#1747)
+* Fix Static files route not working (#1671, pwli0755, lammel)
+* Fix use of caret(^) in regex for rewrite middleware (#1588, chotow)
+* Fix Echo#Reverse for Any type routes (#1695, pafuent)
+* Fix Router#Find panic with infinite loop (#1661, pafuent)
+* Fix Router#Find panic fails on Param paths (#1659, pafuent)
+* Fix DefaultHTTPErrorHandler with Debug=true (#1477, lammel)
+* Fix incorrect CORS headers (#1669, ulasakdeniz)
+* Fix proxy middleware rewritePath to use url with updated tests (#1630, arun0009)
+* Fix rewritePath for proxy middleware to use escaped path in (#1628, arun0009)
+* Remove unless defer (#1656, imxyb)
+
+**General**
+
+* New maintainers for Echo: Roland Lammel (@lammel) and Pablo Andres Fuente (@pafuent)
+* Add GitHub action to compare benchmarks (#1702, pafuent)
+* Binding query/path params and form fields to struct only works for explicit tags (#1729,#1734, aldas)
+* Add support for Go 1.15 in CI (#1683, asahasrabuddhe)
+* Add test for request id to remain unchanged if provided (#1719, iambenkay)
+* Refactor echo instance listener access and startup to speed up testing (#1735, aldas)
+* Refactor and improve various tests for binding and routing
+* Run test workflow only for relevant changes (#1637, #1636, pofl)
+* Update .travis.yml (#1662, santosh653)
+* Update README.md with an recents framework benchmark (#1679, pafuent)
+
+This release was made possible by **over 100 commits** from more than **20 contributors**:
+asahasrabuddhe, aldas, AndrewKlotz, arun0009, chotow, curvegrid, iambenkay, imxyb, 
+juanbelieni,  lammel, little-cui, lnenad, pafuent, pofl, pr0head, pwli, RashadAnsari, 
+rkfg, santosh653, segfiner, stffabi, ulasakdeniz

vendor/github.com/labstack/echo/v4/LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017 LabStack
+Copyright (c) 2021 LabStack
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

vendor/github.com/labstack/echo/v4/Makefile

@@ -1,3 +1,34 @@
+PKG := "github.com/labstack/echo"
+PKG_LIST := $(shell go list ${PKG}/...)
+
 tag:
 	@git tag `grep -P '^\tversion = ' echo.go|cut -f2 -d'"'`
 	@git tag|grep -v ^v
+
+.DEFAULT_GOAL := check
+check: lint vet race ## Check project
+
+init:
+	@go get -u golang.org/x/lint/golint
+
+lint: ## Lint the files
+	@golint -set_exit_status ${PKG_LIST}
+
+vet: ## Vet the files
+	@go vet ${PKG_LIST}
+
+test: ## Run tests
+	@go test -short ${PKG_LIST}
+
+race: ## Run tests with data race detector
+	@go test -race ${PKG_LIST}
+
+benchmark: ## Run benchmarks
+	@go test -run="-" -bench=".*" ${PKG_LIST}
+
+help: ## Display this help screen
+	@grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+goversion ?= "1.15"
+test_version: ## Run tests inside Docker with given version (defaults to 1.15 oldest supported). Example: make test_version goversion=1.15
+	@docker run --rm -it -v $(shell pwd):/project golang:$(goversion) /bin/sh -c "cd /project && make init check"

vendor/github.com/labstack/echo/v4/README.md

@@ -1,12 +1,12 @@
 <a href="https://echo.labstack.com"><img height="80" src="https://cdn.labstack.com/images/echo-logo.svg"></a>
 
 [![Sourcegraph](https://sourcegraph.com/github.com/labstack/echo/-/badge.svg?style=flat-square)](https://sourcegraph.com/github.com/labstack/echo?badge)
-[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/labstack/echo)
+[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/labstack/echo/v4)
 [![Go Report Card](https://goreportcard.com/badge/github.com/labstack/echo?style=flat-square)](https://goreportcard.com/report/github.com/labstack/echo)
 [![Build Status](http://img.shields.io/travis/labstack/echo.svg?style=flat-square)](https://travis-ci.org/labstack/echo)
 [![Codecov](https://img.shields.io/codecov/c/github/labstack/echo.svg?style=flat-square)](https://codecov.io/gh/labstack/echo)
 [![Join the chat at https://gitter.im/labstack/echo](https://img.shields.io/badge/gitter-join%20chat-brightgreen.svg?style=flat-square)](https://gitter.im/labstack/echo)
-[![Forum](https://img.shields.io/badge/community-forum-00afd1.svg?style=flat-square)](https://forum.labstack.com)
+[![Forum](https://img.shields.io/badge/community-forum-00afd1.svg?style=flat-square)](https://github.com/labstack/echo/discussions)
 [![Twitter](https://img.shields.io/badge/twitter-@labstack-55acee.svg?style=flat-square)](https://twitter.com/labstack)
 [![License](http://img.shields.io/badge/license-mit-blue.svg?style=flat-square)](https://raw.githubusercontent.com/labstack/echo/master/LICENSE)
 
@@ -42,11 +42,14 @@ For older versions, please use the latest v3 tag.
 
 ## Benchmarks
 
-Date: 2018/03/15<br>
+Date: 2020/11/11<br>
 Source: https://github.com/vishr/web-framework-benchmark<br>
 Lower is better!
 
-<img src="https://i.imgur.com/I32VdMJ.png">
+<img src="https://i.imgur.com/qwPNQbl.png">
+<img src="https://i.imgur.com/s8yKQjx.png">
+
+The benchmarks above were run on an Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz
 
 ## [Guide](https://echo.labstack.com/guide)
 
@@ -91,7 +94,7 @@ func hello(c echo.Context) error {
 
 ## Help
 
-- [Forum](https://forum.labstack.com)
+- [Forum](https://github.com/labstack/echo/discussions)
 - [Chat](https://gitter.im/labstack/echo)
 
 ## Contribute
@@ -111,8 +114,11 @@ func hello(c echo.Context) error {
 
 ## Credits
 
-- [Vishal Rana](https://github.com/vishr) - Author
+- [Vishal Rana](https://github.com/vishr) (Author)
-- [Nitin Rana](https://github.com/nr17) - Consultant
+- [Nitin Rana](https://github.com/nr17) (Consultant)
+- [Roland Lammel](https://github.com/lammel) (Maintainer)
+- [Martti T.](https://github.com/aldas) (Maintainer)
+- [Pablo Andres Fuente](https://github.com/pafuent) (Maintainer)
 - [Contributors](https://github.com/labstack/echo/graphs/contributors)
 
 ## License

vendor/github.com/labstack/echo/v4/bind.go

@@ -2,7 +2,6 @@ package echo
 
 import (
 	"encoding"
-	"encoding/json"
 	"encoding/xml"
 	"errors"
 	"fmt"
@@ -30,10 +29,8 @@ type (
 	}
 )
 
-// Bind implements the `Binder#Bind` function.
+// BindPathParams binds path params to bindable object
-func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
+func (b *DefaultBinder) BindPathParams(c Context, i interface{}) error {
-	req := c.Request()
-
 	names := c.ParamNames()
 	values := c.ParamValues()
 	params := map[string][]string{}
@@ -43,22 +40,38 @@ func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
 	if err := b.bindData(i, params, "param"); err != nil {
 		return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
 	}
-	if err = b.bindData(i, c.QueryParams(), "query"); err != nil {
+	return nil
+}
+
+// BindQueryParams binds query params to bindable object
+func (b *DefaultBinder) BindQueryParams(c Context, i interface{}) error {
+	if err := b.bindData(i, c.QueryParams(), "query"); err != nil {
 		return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
 	}
+	return nil
+}
+
+// BindBody binds request body contents to bindable object
+// NB: then binding forms take note that this implementation uses standard library form parsing
+// which parses form data from BOTH URL and BODY if content type is not MIMEMultipartForm
+// See non-MIMEMultipartForm: https://golang.org/pkg/net/http/#Request.ParseForm
+// See MIMEMultipartForm: https://golang.org/pkg/net/http/#Request.ParseMultipartForm
+func (b *DefaultBinder) BindBody(c Context, i interface{}) (err error) {
+	req := c.Request()
 	if req.ContentLength == 0 {
 		return
 	}
+
 	ctype := req.Header.Get(HeaderContentType)
 	switch {
 	case strings.HasPrefix(ctype, MIMEApplicationJSON):
-		if err = json.NewDecoder(req.Body).Decode(i); err != nil {
+		if err = c.Echo().JSONSerializer.Deserialize(c, i); err != nil {
-			if ute, ok := err.(*json.UnmarshalTypeError); ok {
+			switch err.(type) {
-				return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unmarshal type error: expected=%v, got=%v, field=%v, offset=%v", ute.Type, ute.Value, ute.Field, ute.Offset)).SetInternal(err)
+			case *HTTPError:
-			} else if se, ok := err.(*json.SyntaxError); ok {
+				return err
-				return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Syntax error: offset=%v, error=%v", se.Offset, se.Error())).SetInternal(err)
+			default:
+				return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
 			}
-			return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
 		}
 	case strings.HasPrefix(ctype, MIMEApplicationXML), strings.HasPrefix(ctype, MIMETextXML):
 		if err = xml.NewDecoder(req.Body).Decode(i); err != nil {
@@ -80,15 +93,43 @@ func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
 	default:
 		return ErrUnsupportedMediaType
 	}
-	return
+	return nil
 }
 
-func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag string) error {
+// BindHeaders binds HTTP headers to a bindable object
-	if ptr == nil || len(data) == 0 {
+func (b *DefaultBinder) BindHeaders(c Context, i interface{}) error {
+	if err := b.bindData(i, c.Request().Header, "header"); err != nil {
+		return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+	}
+	return nil
+}
+
+// Bind implements the `Binder#Bind` function.
+// Binding is done in following order: 1) path params; 2) query params; 3) request body. Each step COULD override previous
+// step binded values. For single source binding use their own methods BindBody, BindQueryParams, BindPathParams.
+func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
+	if err := b.BindPathParams(c, i); err != nil {
+		return err
+	}
+	// Issue #1670 - Query params are binded only for GET/DELETE and NOT for usual request with body (POST/PUT/PATCH)
+	// Reasoning here is that parameters in query and bind destination struct could have UNEXPECTED matches and results due that.
+	// i.e. is `&id=1&lang=en` from URL same as `{"id":100,"lang":"de"}` request body and which one should have priority when binding.
+	// This HTTP method check restores pre v4.1.11 behavior and avoids different problems when query is mixed with body
+	if c.Request().Method == http.MethodGet || c.Request().Method == http.MethodDelete {
+		if err = b.BindQueryParams(c, i); err != nil {
+			return err
+		}
+	}
+	return b.BindBody(c, i)
+}
+
+// bindData will bind data ONLY fields in destination struct that have EXPLICIT tag
+func (b *DefaultBinder) bindData(destination interface{}, data map[string][]string, tag string) error {
+	if destination == nil || len(data) == 0 {
 		return nil
 	}
-	typ := reflect.TypeOf(ptr).Elem()
+	typ := reflect.TypeOf(destination).Elem()
-	val := reflect.ValueOf(ptr).Elem()
+	val := reflect.ValueOf(destination).Elem()
 
 	// Map
 	if typ.Kind() == reflect.Map {
@@ -100,27 +141,41 @@ func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag
 
 	// !struct
 	if typ.Kind() != reflect.Struct {
+		if tag == "param" || tag == "query" || tag == "header" {
+			// incompatible type, data is probably to be found in the body
+			return nil
+		}
 		return errors.New("binding element must be a struct")
 	}
 
 	for i := 0; i < typ.NumField(); i++ {
 		typeField := typ.Field(i)
 		structField := val.Field(i)
+		if typeField.Anonymous {
+			if structField.Kind() == reflect.Ptr {
+				structField = structField.Elem()
+			}
+		}
 		if !structField.CanSet() {
 			continue
 		}
 		structFieldKind := structField.Kind()
 		inputFieldName := typeField.Tag.Get(tag)
+		if typeField.Anonymous && structField.Kind() == reflect.Struct && inputFieldName != "" {
+			// if anonymous struct with query/param/form tags, report an error
+			return errors.New("query/param/form tags are not allowed with anonymous struct field")
+		}
 
 		if inputFieldName == "" {
-			inputFieldName = typeField.Name
+			// If tag is nil, we inspect if the field is a not BindUnmarshaler struct and try to bind data into it (might contains fields with tags).
-			// If tag is nil, we inspect if the field is a struct.
+			// structs that implement BindUnmarshaler are binded only when they have explicit tag
 			if _, ok := structField.Addr().Interface().(BindUnmarshaler); !ok && structFieldKind == reflect.Struct {
 				if err := b.bindData(structField.Addr().Interface(), data, tag); err != nil {
 					return err
 				}
-				continue
 			}
+			// does not have explicit tag and is not an ordinary struct - so move to next field
+			continue
 		}
 
 		inputValue, exists := data[inputFieldName]

vendor/github.com/labstack/echo/v4/codecov.yml

@@ -0,0 +1,11 @@
+coverage:
+  status:
+    project:
+      default:
+        threshold: 1%
+    patch:
+      default:
+        threshold: 1%
+
+comment:
+  require_changes: true

vendor/github.com/labstack/echo/v4/context.go

@@ -2,7 +2,6 @@ package echo
 
 import (
 	"bytes"
-	"encoding/json"
 	"encoding/xml"
 	"fmt"
 	"io"
@@ -246,7 +245,7 @@ func (c *context) IsTLS() bool {
 
 func (c *context) IsWebSocket() bool {
 	upgrade := c.request.Header.Get(HeaderUpgrade)
-	return strings.ToLower(upgrade) == "websocket"
+	return strings.EqualFold(upgrade, "websocket")
 }
 
 func (c *context) Scheme() string {
@@ -276,7 +275,11 @@ func (c *context) RealIP() string {
 	}
 	// Fall back to legacy behavior
 	if ip := c.request.Header.Get(HeaderXForwardedFor); ip != "" {
-		return strings.Split(ip, ", ")[0]
+		i := strings.IndexAny(ip, ",")
+		if i > 0 {
+			return strings.TrimSpace(ip[:i])
+		}
+		return ip
 	}
 	if ip := c.request.Header.Get(HeaderXRealIP); ip != "" {
 		return ip
@@ -310,7 +313,19 @@ func (c *context) ParamNames() []string {
 
 func (c *context) SetParamNames(names ...string) {
 	c.pnames = names
-	*c.echo.maxParam = len(names)
+
+	l := len(names)
+	if *c.echo.maxParam < l {
+		*c.echo.maxParam = l
+	}
+
+	if len(c.pvalues) < l {
+		// Keeping the old pvalues just for backward compatibility, but it sounds that doesn't make sense to keep them,
+		// probably those values will be overriden in a Context#SetParamValues
+		newPvalues := make([]string, l)
+		copy(newPvalues, c.pvalues)
+		c.pvalues = newPvalues
+	}
 }
 
 func (c *context) ParamValues() []string {
@@ -318,7 +333,15 @@ func (c *context) ParamValues() []string {
 }
 
 func (c *context) SetParamValues(values ...string) {
-	c.pvalues = values
+	// NOTE: Don't just set c.pvalues = values, because it has to have length c.echo.maxParam at all times
+	// It will brake the Router#Find code
+	limit := len(values)
+	if limit > *c.echo.maxParam {
+		limit = *c.echo.maxParam
+	}
+	for i := 0; i < limit; i++ {
+		c.pvalues[i] = values[i]
+	}
 }
 
 func (c *context) QueryParam(name string) string {
@@ -361,7 +384,7 @@ func (c *context) FormFile(name string) (*multipart.FileHeader, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer f.Close()
+	f.Close()
 	return fh, nil
 }
 
@@ -433,17 +456,16 @@ func (c *context) String(code int, s string) (err error) {
 }
 
 func (c *context) jsonPBlob(code int, callback string, i interface{}) (err error) {
-	enc := json.NewEncoder(c.response)
+	indent := ""
-	_, pretty := c.QueryParams()["pretty"]
+	if _, pretty := c.QueryParams()["pretty"]; c.echo.Debug || pretty {
-	if c.echo.Debug || pretty {
+		indent = defaultIndent
-		enc.SetIndent("", "  ")
 	}
 	c.writeContentType(MIMEApplicationJavaScriptCharsetUTF8)
 	c.response.WriteHeader(code)
 	if _, err = c.response.Write([]byte(callback + "(")); err != nil {
 		return
 	}
-	if err = enc.Encode(i); err != nil {
+	if err = c.echo.JSONSerializer.Serialize(c, i, indent); err != nil {
 		return
 	}
 	if _, err = c.response.Write([]byte(");")); err != nil {
@@ -453,13 +475,9 @@ func (c *context) jsonPBlob(code int, callback string, i interface{}) (err error
 }
 
 func (c *context) json(code int, i interface{}, indent string) error {
-	enc := json.NewEncoder(c.response)
-	if indent != "" {
-		enc.SetIndent("", indent)
-	}
 	c.writeContentType(MIMEApplicationJSONCharsetUTF8)
 	c.response.Status = code
-	return enc.Encode(i)
+	return c.echo.JSONSerializer.Serialize(c, i, indent)
 }
 
 func (c *context) JSON(code int, i interface{}) (err error) {

vendor/github.com/labstack/echo/v4/echo.go

@@ -49,7 +49,6 @@ import (
 	"net/http"
 	"net/url"
 	"os"
-	"path"
 	"path/filepath"
 	"reflect"
 	"runtime"
@@ -68,6 +67,9 @@ type (
 	// Echo is the top-level framework instance.
 	Echo struct {
 		common
+		// startupMutex is mutex to lock Echo instance access during server configuration and startup. Useful for to get
+		// listener address info (on which interface/port was listener binded) without having data races.
+		startupMutex     sync.RWMutex
 		StdLogger        *stdLog.Logger
 		colorer          *color.Color
 		premiddleware    []MiddlewareFunc
@@ -88,10 +90,12 @@ type (
 		HidePort         bool
 		HTTPErrorHandler HTTPErrorHandler
 		Binder           Binder
+		JSONSerializer   JSONSerializer
 		Validator        Validator
 		Renderer         Renderer
 		Logger           Logger
 		IPExtractor      IPExtractor
+		ListenerNetwork  string
 	}
 
 	// Route contains a handler and information for matching against requests.
@@ -122,6 +126,12 @@ type (
 		Validate(i interface{}) error
 	}
 
+	// JSONSerializer is the interface that encodes and decodes JSON to and from interfaces.
+	JSONSerializer interface {
+		Serialize(c Context, i interface{}, indent string) error
+		Deserialize(c Context, i interface{}) error
+	}
+
 	// Renderer is the interface that wraps the Render function.
 	Renderer interface {
 		Render(io.Writer, string, interface{}, Context) error
@@ -231,7 +241,7 @@ const (
 
 const (
 	// Version of Echo
-	Version = "4.1.17"
+	Version = "4.6.1"
 	website = "https://echo.labstack.com"
 	// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
 	banner = `
@@ -281,6 +291,7 @@ var (
 	ErrInvalidRedirectCode         = errors.New("invalid redirect status code")
 	ErrCookieNotFound              = errors.New("cookie not found")
 	ErrInvalidCertOrKeyType        = errors.New("invalid cert or key type, must be string or []byte")
+	ErrInvalidListenerNetwork      = errors.New("invalid listener network")
 )
 
 // Error handlers
@@ -302,14 +313,16 @@ func New() (e *Echo) {
 		AutoTLSManager: autocert.Manager{
 			Prompt: autocert.AcceptTOS,
 		},
-		Logger:   log.New("echo"),
+		Logger:          log.New("echo"),
-		colorer:  color.New(),
+		colorer:         color.New(),
-		maxParam: new(int),
+		maxParam:        new(int),
+		ListenerNetwork: "tcp",
 	}
 	e.Server.Handler = e
 	e.TLSServer.Handler = e
 	e.HTTPErrorHandler = e.DefaultHTTPErrorHandler
 	e.Binder = &DefaultBinder{}
+	e.JSONSerializer = &DefaultJSONSerializer{}
 	e.Logger.SetLevel(log.ERROR)
 	e.StdLogger = stdLog.New(e.Logger.Output(), e.Logger.Prefix()+": ", 0)
 	e.pool.New = func() interface{} {
@@ -344,7 +357,17 @@ func (e *Echo) Routers() map[string]*Router {
 
 // DefaultHTTPErrorHandler is the default HTTP error handler. It sends a JSON response
 // with status code.
+//
+// NOTE: In case errors happens in middleware call-chain that is returning from handler (which did not return an error).
+// When handler has already sent response (ala c.JSON()) and there is error in middleware that is returning from
+// handler. Then the error that global error handler received will be ignored because we have already "commited" the
+// response and status code header has been sent to the client.
 func (e *Echo) DefaultHTTPErrorHandler(err error, c Context) {
+
+	if c.Response().Committed {
+		return
+	}
+
 	he, ok := err.(*HTTPError)
 	if ok {
 		if he.Internal != nil {
@@ -362,22 +385,22 @@ func (e *Echo) DefaultHTTPErrorHandler(err error, c Context) {
 	// Issue #1426
 	code := he.Code
 	message := he.Message
-	if e.Debug {
+	if m, ok := he.Message.(string); ok {
-		message = err.Error()
+		if e.Debug {
-	} else if m, ok := message.(string); ok {
+			message = Map{"message": m, "error": err.Error()}
-		message = Map{"message": m}
+		} else {
+			message = Map{"message": m}
+		}
 	}
 
 	// Send response
-	if !c.Response().Committed {
+	if c.Request().Method == http.MethodHead { // Issue #608
-		if c.Request().Method == http.MethodHead { // Issue #608
+		err = c.NoContent(he.Code)
-			err = c.NoContent(he.Code)
+	} else {
-		} else {
+		err = c.JSON(code, message)
-			err = c.JSON(code, message)
+	}
-		}
+	if err != nil {
-		if err != nil {
+		e.Logger.Error(err)
-			e.Logger.Error(err)
-		}
 	}
 }
 
@@ -481,7 +504,7 @@ func (common) static(prefix, root string, get func(string, HandlerFunc, ...Middl
 			return err
 		}
 
-		name := filepath.Join(root, path.Clean("/"+p)) // "/"+ for security
+		name := filepath.Join(root, filepath.Clean("/"+p)) // "/"+ for security
 		fi, err := os.Stat(name)
 		if err != nil {
 			// The access path does not exist
@@ -496,8 +519,15 @@ func (common) static(prefix, root string, get func(string, HandlerFunc, ...Middl
 		}
 		return c.File(name)
 	}
-	if prefix == "/" {
+	// Handle added routes based on trailing slash:
-		return get(prefix+"*", h)
+	// 	/prefix  => exact route "/prefix" + any route "/prefix/*"
+	// 	/prefix/ => only any route "/prefix/*"
+	if prefix != "" {
+		if prefix[len(prefix)-1] == '/' {
+			// Only add any route for intentional trailing slash
+			return get(prefix+"*", h)
+		}
+		get(prefix, h)
 	}
 	return get(prefix+"/*", h)
 }
@@ -570,7 +600,7 @@ func (e *Echo) Reverse(name string, params ...interface{}) string {
 	for _, r := range e.router.routes {
 		if r.Name == name {
 			for i, l := 0, len(r.Path); i < l; i++ {
-				if r.Path[i] == ':' && n < ln {
+				if (r.Path[i] == ':' || r.Path[i] == '*') && n < ln {
 					for ; i < l && r.Path[i] != '/'; i++ {
 					}
 					uri.WriteString(fmt.Sprintf("%v", params[n]))
@@ -612,7 +642,6 @@ func (e *Echo) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// Acquire context
 	c := e.pool.Get().(*context)
 	c.Reset(r, w)
-
 	h := NotFoundHandler
 
 	if e.premiddleware == nil {
@@ -640,21 +669,30 @@ func (e *Echo) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 // Start starts an HTTP server.
 func (e *Echo) Start(address string) error {
+	e.startupMutex.Lock()
 	e.Server.Addr = address
-	return e.StartServer(e.Server)
+	if err := e.configureServer(e.Server); err != nil {
+		e.startupMutex.Unlock()
+		return err
+	}
+	e.startupMutex.Unlock()
+	return e.Server.Serve(e.Listener)
 }
 
 // StartTLS starts an HTTPS server.
 // If `certFile` or `keyFile` is `string` the values are treated as file paths.
 // If `certFile` or `keyFile` is `[]byte` the values are treated as the certificate or key as-is.
 func (e *Echo) StartTLS(address string, certFile, keyFile interface{}) (err error) {
+	e.startupMutex.Lock()
 	var cert []byte
 	if cert, err = filepathOrContent(certFile); err != nil {
+		e.startupMutex.Unlock()
 		return
 	}
 
 	var key []byte
 	if key, err = filepathOrContent(keyFile); err != nil {
+		e.startupMutex.Unlock()
 		return
 	}
 
@@ -662,10 +700,17 @@ func (e *Echo) StartTLS(address string, certFile, keyFile interface{}) (err erro
 	s.TLSConfig = new(tls.Config)
 	s.TLSConfig.Certificates = make([]tls.Certificate, 1)
 	if s.TLSConfig.Certificates[0], err = tls.X509KeyPair(cert, key); err != nil {
+		e.startupMutex.Unlock()
 		return
 	}
 
-	return e.startTLS(address)
+	e.configureTLS(address)
+	if err := e.configureServer(s); err != nil {
+		e.startupMutex.Unlock()
+		return err
+	}
+	e.startupMutex.Unlock()
+	return s.Serve(e.TLSListener)
 }
 
 func filepathOrContent(fileOrContent interface{}) (content []byte, err error) {
@@ -681,24 +726,45 @@ func filepathOrContent(fileOrContent interface{}) (content []byte, err error) {
 
 // StartAutoTLS starts an HTTPS server using certificates automatically installed from https://letsencrypt.org.
 func (e *Echo) StartAutoTLS(address string) error {
+	e.startupMutex.Lock()
 	s := e.TLSServer
 	s.TLSConfig = new(tls.Config)
 	s.TLSConfig.GetCertificate = e.AutoTLSManager.GetCertificate
 	s.TLSConfig.NextProtos = append(s.TLSConfig.NextProtos, acme.ALPNProto)
-	return e.startTLS(address)
+
+	e.configureTLS(address)
+	if err := e.configureServer(s); err != nil {
+		e.startupMutex.Unlock()
+		return err
+	}
+	e.startupMutex.Unlock()
+	return s.Serve(e.TLSListener)
 }
 
-func (e *Echo) startTLS(address string) error {
+func (e *Echo) configureTLS(address string) {
 	s := e.TLSServer
 	s.Addr = address
 	if !e.DisableHTTP2 {
 		s.TLSConfig.NextProtos = append(s.TLSConfig.NextProtos, "h2")
 	}
-	return e.StartServer(e.TLSServer)
 }
 
 // StartServer starts a custom http server.
 func (e *Echo) StartServer(s *http.Server) (err error) {
+	e.startupMutex.Lock()
+	if err := e.configureServer(s); err != nil {
+		e.startupMutex.Unlock()
+		return err
+	}
+	if s.TLSConfig != nil {
+		e.startupMutex.Unlock()
+		return s.Serve(e.TLSListener)
+	}
+	e.startupMutex.Unlock()
+	return s.Serve(e.Listener)
+}
+
+func (e *Echo) configureServer(s *http.Server) (err error) {
 	// Setup
 	e.colorer.SetOutput(e.Logger.Output())
 	s.ErrorLog = e.StdLogger
@@ -713,7 +779,7 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
 
 	if s.TLSConfig == nil {
 		if e.Listener == nil {
-			e.Listener, err = newListener(s.Addr)
+			e.Listener, err = newListener(s.Addr, e.ListenerNetwork)
 			if err != nil {
 				return err
 			}
@@ -721,10 +787,10 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
 		if !e.HidePort {
 			e.colorer.Printf("⇨ http server started on %s\n", e.colorer.Green(e.Listener.Addr()))
 		}
-		return s.Serve(e.Listener)
+		return nil
 	}
 	if e.TLSListener == nil {
-		l, err := newListener(s.Addr)
+		l, err := newListener(s.Addr, e.ListenerNetwork)
 		if err != nil {
 			return err
 		}
@@ -733,11 +799,32 @@ func (e *Echo) StartServer(s *http.Server) (err error) {
 	if !e.HidePort {
 		e.colorer.Printf("⇨ https server started on %s\n", e.colorer.Green(e.TLSListener.Addr()))
 	}
-	return s.Serve(e.TLSListener)
+	return nil
+}
+
+// ListenerAddr returns net.Addr for Listener
+func (e *Echo) ListenerAddr() net.Addr {
+	e.startupMutex.RLock()
+	defer e.startupMutex.RUnlock()
+	if e.Listener == nil {
+		return nil
+	}
+	return e.Listener.Addr()
+}
+
+// TLSListenerAddr returns net.Addr for TLSListener
+func (e *Echo) TLSListenerAddr() net.Addr {
+	e.startupMutex.RLock()
+	defer e.startupMutex.RUnlock()
+	if e.TLSListener == nil {
+		return nil
+	}
+	return e.TLSListener.Addr()
 }
 
 // StartH2CServer starts a custom http/2 server with h2c (HTTP/2 Cleartext).
 func (e *Echo) StartH2CServer(address string, h2s *http2.Server) (err error) {
+	e.startupMutex.Lock()
 	// Setup
 	s := e.Server
 	s.Addr = address
@@ -753,20 +840,24 @@ func (e *Echo) StartH2CServer(address string, h2s *http2.Server) (err error) {
 	}
 
 	if e.Listener == nil {
-		e.Listener, err = newListener(s.Addr)
+		e.Listener, err = newListener(s.Addr, e.ListenerNetwork)
 		if err != nil {
+			e.startupMutex.Unlock()
 			return err
 		}
 	}
 	if !e.HidePort {
 		e.colorer.Printf("⇨ http server started on %s\n", e.colorer.Green(e.Listener.Addr()))
 	}
+	e.startupMutex.Unlock()
 	return s.Serve(e.Listener)
 }
 
 // Close immediately stops the server.
 // It internally calls `http.Server#Close()`.
 func (e *Echo) Close() error {
+	e.startupMutex.Lock()
+	defer e.startupMutex.Unlock()
 	if err := e.TLSServer.Close(); err != nil {
 		return err
 	}
@@ -776,6 +867,8 @@ func (e *Echo) Close() error {
 // Shutdown stops the server gracefully.
 // It internally calls `http.Server#Shutdown()`.
 func (e *Echo) Shutdown(ctx stdContext.Context) error {
+	e.startupMutex.Lock()
+	defer e.startupMutex.Unlock()
 	if err := e.TLSServer.Shutdown(ctx); err != nil {
 		return err
 	}
@@ -833,6 +926,9 @@ func WrapMiddleware(m func(http.Handler) http.Handler) MiddlewareFunc {
 }
 
 // GetPath returns RawPath, if it's empty returns Path from URL
+// Difference between RawPath and Path is:
+//  * Path is where request path is stored. Value is stored in decoded form: /%47%6f%2f becomes /Go/.
+//  * RawPath is an optional field which only gets set if the default encoding is different from Path.
 func GetPath(r *http.Request) string {
 	path := r.URL.RawPath
 	if path == "" {
@@ -883,8 +979,11 @@ func (ln tcpKeepAliveListener) Accept() (c net.Conn, err error) {
 	return
 }
 
-func newListener(address string) (*tcpKeepAliveListener, error) {
+func newListener(address, network string) (*tcpKeepAliveListener, error) {
-	l, err := net.Listen("tcp", address)
+	if network != "tcp" && network != "tcp4" && network != "tcp6" {
+		return nil, ErrInvalidListenerNetwork
+	}
+	l, err := net.Listen(network, address)
 	if err != nil {
 		return nil, err
 	}

vendor/github.com/labstack/echo/v4/json.go

@@ -0,0 +1,31 @@
+package echo
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+// DefaultJSONSerializer implements JSON encoding using encoding/json.
+type DefaultJSONSerializer struct{}
+
+// Serialize converts an interface into a json and writes it to the response.
+// You can optionally use the indent parameter to produce pretty JSONs.
+func (d DefaultJSONSerializer) Serialize(c Context, i interface{}, indent string) error {
+	enc := json.NewEncoder(c.Response())
+	if indent != "" {
+		enc.SetIndent("", indent)
+	}
+	return enc.Encode(i)
+}
+
+// Deserialize reads a JSON from a request body and converts it into an interface.
+func (d DefaultJSONSerializer) Deserialize(c Context, i interface{}) error {
+	err := json.NewDecoder(c.Request().Body).Decode(i)
+	if ute, ok := err.(*json.UnmarshalTypeError); ok {
+		return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unmarshal type error: expected=%v, got=%v, field=%v, offset=%v", ute.Type, ute.Value, ute.Field, ute.Offset)).SetInternal(err)
+	} else if se, ok := err.(*json.SyntaxError); ok {
+		return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Syntax error: offset=%v, error=%v", se.Offset, se.Error())).SetInternal(err)
+	}
+	return err
+}

vendor/github.com/labstack/echo/v4/middleware/basic_auth.go

@@ -73,7 +73,7 @@ func BasicAuthWithConfig(config BasicAuthConfig) echo.MiddlewareFunc {
 			auth := c.Request().Header.Get(echo.HeaderAuthorization)
 			l := len(basic)
 
-			if len(auth) > l+1 && strings.ToLower(auth[:l]) == basic {
+			if len(auth) > l+1 && strings.EqualFold(auth[:l], basic) {
 				b, err := base64.StdEncoding.DecodeString(auth[l+1:])
 				if err != nil {
 					return err

vendor/github.com/labstack/echo/v4/middleware/compress.go

@@ -8,6 +8,7 @@ import (
 	"net"
 	"net/http"
 	"strings"
+	"sync"
 
 	"github.com/labstack/echo/v4"
 )
@@ -58,6 +59,8 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 		config.Level = DefaultGzipConfig.Level
 	}
 
+	pool := gzipCompressPool(config)
+
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
 		return func(c echo.Context) error {
 			if config.Skipper(c) {
@@ -68,11 +71,13 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 			res.Header().Add(echo.HeaderVary, echo.HeaderAcceptEncoding)
 			if strings.Contains(c.Request().Header.Get(echo.HeaderAcceptEncoding), gzipScheme) {
 				res.Header().Set(echo.HeaderContentEncoding, gzipScheme) // Issue #806
-				rw := res.Writer
+				i := pool.Get()
-				w, err := gzip.NewWriterLevel(rw, config.Level)
+				w, ok := i.(*gzip.Writer)
-				if err != nil {
+				if !ok {
-					return err
+					return echo.NewHTTPError(http.StatusInternalServerError, i.(error).Error())
 				}
+				rw := res.Writer
+				w.Reset(rw)
 				defer func() {
 					if res.Size == 0 {
 						if res.Header().Get(echo.HeaderContentEncoding) == gzipScheme {
@@ -85,6 +90,7 @@ func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
 						w.Reset(ioutil.Discard)
 					}
 					w.Close()
+					pool.Put(w)
 				}()
 				grw := &gzipResponseWriter{Writer: w, ResponseWriter: rw}
 				res.Writer = grw
@@ -126,3 +132,15 @@ func (w *gzipResponseWriter) Push(target string, opts *http.PushOptions) error {
 	}
 	return http.ErrNotSupported
 }
+
+func gzipCompressPool(config GzipConfig) sync.Pool {
+	return sync.Pool{
+		New: func() interface{} {
+			w, err := gzip.NewWriterLevel(ioutil.Discard, config.Level)
+			if err != nil {
+				return err
+			}
+			return w
+		},
+	}
+}

vendor/github.com/labstack/echo/v4/middleware/cors.go

@@ -2,6 +2,7 @@ package middleware
 
 import (
 	"net/http"
+	"regexp"
 	"strconv"
 	"strings"
 
@@ -18,6 +19,13 @@ type (
 		// Optional. Default value []string{"*"}.
 		AllowOrigins []string `yaml:"allow_origins"`
 
+		// AllowOriginFunc is a custom function to validate the origin. It takes the
+		// origin as an argument and returns true if allowed or false otherwise. If
+		// an error is returned, it is returned by the handler. If this option is
+		// set, AllowOrigins is ignored.
+		// Optional.
+		AllowOriginFunc func(origin string) (bool, error) `yaml:"allow_origin_func"`
+
 		// AllowMethods defines a list methods allowed when accessing the resource.
 		// This is used in response to a preflight request.
 		// Optional. Default value DefaultCORSConfig.AllowMethods.
@@ -76,6 +84,15 @@ func CORSWithConfig(config CORSConfig) echo.MiddlewareFunc {
 		config.AllowMethods = DefaultCORSConfig.AllowMethods
 	}
 
+	allowOriginPatterns := []string{}
+	for _, origin := range config.AllowOrigins {
+		pattern := regexp.QuoteMeta(origin)
+		pattern = strings.Replace(pattern, "\\*", ".*", -1)
+		pattern = strings.Replace(pattern, "\\?", ".", -1)
+		pattern = "^" + pattern + "$"
+		allowOriginPatterns = append(allowOriginPatterns, pattern)
+	}
+
 	allowMethods := strings.Join(config.AllowMethods, ",")
 	allowHeaders := strings.Join(config.AllowHeaders, ",")
 	exposeHeaders := strings.Join(config.ExposeHeaders, ",")
@@ -92,25 +109,73 @@ func CORSWithConfig(config CORSConfig) echo.MiddlewareFunc {
 			origin := req.Header.Get(echo.HeaderOrigin)
 			allowOrigin := ""
 
-			// Check allowed origins
+			preflight := req.Method == http.MethodOptions
-			for _, o := range config.AllowOrigins {
+			res.Header().Add(echo.HeaderVary, echo.HeaderOrigin)
-				if o == "*" && config.AllowCredentials {
+
-					allowOrigin = origin
+			// No Origin provided
-					break
+			if origin == "" {
+				if !preflight {
+					return next(c)
 				}
-				if o == "*" || o == origin {
+				return c.NoContent(http.StatusNoContent)
-					allowOrigin = o
+			}
-					break
+
+			if config.AllowOriginFunc != nil {
+				allowed, err := config.AllowOriginFunc(origin)
+				if err != nil {
+					return err
 				}
-				if matchSubdomain(origin, o) {
+				if allowed {
 					allowOrigin = origin
-					break
+				}
+			} else {
+				// Check allowed origins
+				for _, o := range config.AllowOrigins {
+					if o == "*" && config.AllowCredentials {
+						allowOrigin = origin
+						break
+					}
+					if o == "*" || o == origin {
+						allowOrigin = o
+						break
+					}
+					if matchSubdomain(origin, o) {
+						allowOrigin = origin
+						break
+					}
+				}
+
+				// Check allowed origin patterns
+				for _, re := range allowOriginPatterns {
+					if allowOrigin == "" {
+						didx := strings.Index(origin, "://")
+						if didx == -1 {
+							continue
+						}
+						domAuth := origin[didx+3:]
+						// to avoid regex cost by invalid long domain
+						if len(domAuth) > 253 {
+							break
+						}
+
+						if match, _ := regexp.MatchString(re, origin); match {
+							allowOrigin = origin
+							break
+						}
+					}
 				}
 			}
 
+			// Origin not allowed
+			if allowOrigin == "" {
+				if !preflight {
+					return next(c)
+				}
+				return c.NoContent(http.StatusNoContent)
+			}
+
 			// Simple request
-			if req.Method != http.MethodOptions {
+			if !preflight {
-				res.Header().Add(echo.HeaderVary, echo.HeaderOrigin)
 				res.Header().Set(echo.HeaderAccessControlAllowOrigin, allowOrigin)
 				if config.AllowCredentials {
 					res.Header().Set(echo.HeaderAccessControlAllowCredentials, "true")
@@ -122,7 +187,6 @@ func CORSWithConfig(config CORSConfig) echo.MiddlewareFunc {
 			}
 
 			// Preflight request
-			res.Header().Add(echo.HeaderVary, echo.HeaderOrigin)
 			res.Header().Add(echo.HeaderVary, echo.HeaderAccessControlRequestMethod)
 			res.Header().Add(echo.HeaderVary, echo.HeaderAccessControlRequestHeaders)
 			res.Header().Set(echo.HeaderAccessControlAllowOrigin, allowOrigin)

vendor/github.com/labstack/echo/v4/middleware/csrf.go

@@ -57,6 +57,10 @@ type (
 		// Indicates if CSRF cookie is HTTP only.
 		// Optional. Default value false.
 		CookieHTTPOnly bool `yaml:"cookie_http_only"`
+
+		// Indicates SameSite mode of the CSRF cookie.
+		// Optional. Default value SameSiteDefaultMode.
+		CookieSameSite http.SameSite `yaml:"cookie_same_site"`
 	}
 
 	// csrfTokenExtractor defines a function that takes `echo.Context` and returns
@@ -67,12 +71,13 @@ type (
 var (
 	// DefaultCSRFConfig is the default CSRF middleware config.
 	DefaultCSRFConfig = CSRFConfig{
-		Skipper:      DefaultSkipper,
+		Skipper:        DefaultSkipper,
-		TokenLength:  32,
+		TokenLength:    32,
-		TokenLookup:  "header:" + echo.HeaderXCSRFToken,
+		TokenLookup:    "header:" + echo.HeaderXCSRFToken,
-		ContextKey:   "csrf",
+		ContextKey:     "csrf",
-		CookieName:   "_csrf",
+		CookieName:     "_csrf",
-		CookieMaxAge: 86400,
+		CookieMaxAge:   86400,
+		CookieSameSite: http.SameSiteDefaultMode,
 	}
 )
 
@@ -105,6 +110,9 @@ func CSRFWithConfig(config CSRFConfig) echo.MiddlewareFunc {
 	if config.CookieMaxAge == 0 {
 		config.CookieMaxAge = DefaultCSRFConfig.CookieMaxAge
 	}
+	if config.CookieSameSite == http.SameSiteNoneMode {
+		config.CookieSecure = true
+	}
 
 	// Initialize
 	parts := strings.Split(config.TokenLookup, ":")
@@ -157,6 +165,9 @@ func CSRFWithConfig(config CSRFConfig) echo.MiddlewareFunc {
 			if config.CookieDomain != "" {
 				cookie.Domain = config.CookieDomain
 			}
+			if config.CookieSameSite != http.SameSiteDefaultMode {
+				cookie.SameSite = config.CookieSameSite
+			}
 			cookie.Expires = time.Now().Add(time.Duration(config.CookieMaxAge) * time.Second)
 			cookie.Secure = config.CookieSecure
 			cookie.HttpOnly = config.CookieHTTPOnly

vendor/github.com/labstack/echo/v4/middleware/decompress.go

@@ -0,0 +1,120 @@
+package middleware
+
+import (
+	"bytes"
+	"compress/gzip"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"sync"
+
+	"github.com/labstack/echo/v4"
+)
+
+type (
+	// DecompressConfig defines the config for Decompress middleware.
+	DecompressConfig struct {
+		// Skipper defines a function to skip middleware.
+		Skipper Skipper
+
+		// GzipDecompressPool defines an interface to provide the sync.Pool used to create/store Gzip readers
+		GzipDecompressPool Decompressor
+	}
+)
+
+//GZIPEncoding content-encoding header if set to "gzip", decompress body contents.
+const GZIPEncoding string = "gzip"
+
+// Decompressor is used to get the sync.Pool used by the middleware to get Gzip readers
+type Decompressor interface {
+	gzipDecompressPool() sync.Pool
+}
+
+var (
+	//DefaultDecompressConfig defines the config for decompress middleware
+	DefaultDecompressConfig = DecompressConfig{
+		Skipper:            DefaultSkipper,
+		GzipDecompressPool: &DefaultGzipDecompressPool{},
+	}
+)
+
+// DefaultGzipDecompressPool is the default implementation of Decompressor interface
+type DefaultGzipDecompressPool struct {
+}
+
+func (d *DefaultGzipDecompressPool) gzipDecompressPool() sync.Pool {
+	return sync.Pool{
+		New: func() interface{} {
+			// create with an empty reader (but with GZIP header)
+			w, err := gzip.NewWriterLevel(ioutil.Discard, gzip.BestSpeed)
+			if err != nil {
+				return err
+			}
+
+			b := new(bytes.Buffer)
+			w.Reset(b)
+			w.Flush()
+			w.Close()
+
+			r, err := gzip.NewReader(bytes.NewReader(b.Bytes()))
+			if err != nil {
+				return err
+			}
+			return r
+		},
+	}
+}
+
+//Decompress decompresses request body based if content encoding type is set to "gzip" with default config
+func Decompress() echo.MiddlewareFunc {
+	return DecompressWithConfig(DefaultDecompressConfig)
+}
+
+//DecompressWithConfig decompresses request body based if content encoding type is set to "gzip" with config
+func DecompressWithConfig(config DecompressConfig) echo.MiddlewareFunc {
+	// Defaults
+	if config.Skipper == nil {
+		config.Skipper = DefaultGzipConfig.Skipper
+	}
+	if config.GzipDecompressPool == nil {
+		config.GzipDecompressPool = DefaultDecompressConfig.GzipDecompressPool
+	}
+
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		pool := config.GzipDecompressPool.gzipDecompressPool()
+		return func(c echo.Context) error {
+			if config.Skipper(c) {
+				return next(c)
+			}
+			switch c.Request().Header.Get(echo.HeaderContentEncoding) {
+			case GZIPEncoding:
+				b := c.Request().Body
+
+				i := pool.Get()
+				gr, ok := i.(*gzip.Reader)
+				if !ok {
+					return echo.NewHTTPError(http.StatusInternalServerError, i.(error).Error())
+				}
+
+				if err := gr.Reset(b); err != nil {
+					pool.Put(gr)
+					if err == io.EOF { //ignore if body is empty
+						return next(c)
+					}
+					return err
+				}
+				var buf bytes.Buffer
+				io.Copy(&buf, gr)
+
+				gr.Close()
+				pool.Put(gr)
+
+				b.Close() // http.Request.Body is closed by the Server, but because we are replacing it, it must be closed here
+
+				r := ioutil.NopCloser(&buf)
+				c.Request().Body = r
+			}
+			return next(c)
+		}
+	}
+}

vendor/github.com/labstack/echo/v4/middleware/jwt.go

@@ -1,12 +1,15 @@
+// +build go1.15
+
 package middleware
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"reflect"
 	"strings"
 
-	"github.com/dgrijalva/jwt-go"
+	"github.com/golang-jwt/jwt"
 	"github.com/labstack/echo/v4"
 )
 
@@ -29,15 +32,19 @@ type (
 		// ErrorHandlerWithContext is almost identical to ErrorHandler, but it's passed the current context.
 		ErrorHandlerWithContext JWTErrorHandlerWithContext
 
-		// Signing key to validate token. Used as fallback if SigningKeys has length 0.
+		// Signing key to validate token.
-		// Required. This or SigningKeys.
+		// This is one of the three options to provide a token validation key.
+		// The order of precedence is a user-defined KeyFunc, SigningKeys and SigningKey.
+		// Required if neither user-defined KeyFunc nor SigningKeys is provided.
 		SigningKey interface{}
 
 		// Map of signing keys to validate token with kid field usage.
-		// Required. This or SigningKey.
+		// This is one of the three options to provide a token validation key.
+		// The order of precedence is a user-defined KeyFunc, SigningKeys and SigningKey.
+		// Required if neither user-defined KeyFunc nor SigningKey is provided.
 		SigningKeys map[string]interface{}
 
-		// Signing method, used to check token signing method.
+		// Signing method used to check the token's signing algorithm.
 		// Optional. Default value HS256.
 		SigningMethod string
 
@@ -45,11 +52,12 @@ type (
 		// Optional. Default value "user".
 		ContextKey string
 
-		// Claims are extendable claims data defining token content.
+		// Claims are extendable claims data defining token content. Used by default ParseTokenFunc implementation.
+		// Not used if custom ParseTokenFunc is set.
 		// Optional. Default value jwt.MapClaims
 		Claims jwt.Claims
 
-		// TokenLookup is a string in the form of "<source>:<name>" that is used
+		// TokenLookup is a string in the form of "<source>:<name>" or "<source>:<name>,<source>:<name>" that is used
 		// to extract token from the request.
 		// Optional. Default value "header:Authorization".
 		// Possible values:
@@ -57,13 +65,33 @@ type (
 		// - "query:<name>"
 		// - "param:<name>"
 		// - "cookie:<name>"
+		// - "form:<name>"
+		// Multiply sources example:
+		// - "header: Authorization,cookie: myowncookie"
+
 		TokenLookup string
 
 		// AuthScheme to be used in the Authorization header.
 		// Optional. Default value "Bearer".
 		AuthScheme string
 
-		keyFunc jwt.Keyfunc
+		// KeyFunc defines a user-defined function that supplies the public key for a token validation.
+		// The function shall take care of verifying the signing algorithm and selecting the proper key.
+		// A user-defined KeyFunc can be useful if tokens are issued by an external party.
+		// Used by default ParseTokenFunc implementation.
+		//
+		// When a user-defined KeyFunc is provided, SigningKey, SigningKeys, and SigningMethod are ignored.
+		// This is one of the three options to provide a token validation key.
+		// The order of precedence is a user-defined KeyFunc, SigningKeys and SigningKey.
+		// Required if neither SigningKeys nor SigningKey is provided.
+		// Not used if custom ParseTokenFunc is set.
+		// Default to an internal implementation verifying the signing algorithm and selecting the proper key.
+		KeyFunc jwt.Keyfunc
+
+		// ParseTokenFunc defines a user-defined function that parses token from given auth. Returns an error when token
+		// parsing fails or parsed token is invalid.
+		// Defaults to implementation using `github.com/golang-jwt/jwt` as JWT implementation library
+		ParseTokenFunc func(auth string, c echo.Context) (interface{}, error)
 	}
 
 	// JWTSuccessHandler defines a function which is executed for a valid token.
@@ -86,6 +114,7 @@ const (
 // Errors
 var (
 	ErrJWTMissing = echo.NewHTTPError(http.StatusBadRequest, "missing or malformed jwt")
+	ErrJWTInvalid = echo.NewHTTPError(http.StatusUnauthorized, "invalid or expired jwt")
 )
 
 var (
@@ -97,6 +126,7 @@ var (
 		TokenLookup:   "header:" + echo.HeaderAuthorization,
 		AuthScheme:    "Bearer",
 		Claims:        jwt.MapClaims{},
+		KeyFunc:       nil,
 	}
 )
 
@@ -121,7 +151,7 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 	if config.Skipper == nil {
 		config.Skipper = DefaultJWTConfig.Skipper
 	}
-	if config.SigningKey == nil && len(config.SigningKeys) == 0 {
+	if config.SigningKey == nil && len(config.SigningKeys) == 0 && config.KeyFunc == nil && config.ParseTokenFunc == nil {
 		panic("echo: jwt middleware requires signing key")
 	}
 	if config.SigningMethod == "" {
@@ -139,33 +169,32 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 	if config.AuthScheme == "" {
 		config.AuthScheme = DefaultJWTConfig.AuthScheme
 	}
-	config.keyFunc = func(t *jwt.Token) (interface{}, error) {
+	if config.KeyFunc == nil {
-		// Check the signing method
+		config.KeyFunc = config.defaultKeyFunc
-		if t.Method.Alg() != config.SigningMethod {
+	}
-			return nil, fmt.Errorf("unexpected jwt signing method=%v", t.Header["alg"])
+	if config.ParseTokenFunc == nil {
-		}
+		config.ParseTokenFunc = config.defaultParseToken
-		if len(config.SigningKeys) > 0 {
-			if kid, ok := t.Header["kid"].(string); ok {
-				if key, ok := config.SigningKeys[kid]; ok {
-					return key, nil
-				}
-			}
-			return nil, fmt.Errorf("unexpected jwt key id=%v", t.Header["kid"])
-		}
-
-		return config.SigningKey, nil
 	}
 
 	// Initialize
-	parts := strings.Split(config.TokenLookup, ":")
+	// Split sources
-	extractor := jwtFromHeader(parts[1], config.AuthScheme)
+	sources := strings.Split(config.TokenLookup, ",")
-	switch parts[0] {
+	var extractors []jwtExtractor
-	case "query":
+	for _, source := range sources {
-		extractor = jwtFromQuery(parts[1])
+		parts := strings.Split(source, ":")
-	case "param":
+
-		extractor = jwtFromParam(parts[1])
+		switch parts[0] {
-	case "cookie":
+		case "query":
-		extractor = jwtFromCookie(parts[1])
+			extractors = append(extractors, jwtFromQuery(parts[1]))
+		case "param":
+			extractors = append(extractors, jwtFromParam(parts[1]))
+		case "cookie":
+			extractors = append(extractors, jwtFromCookie(parts[1]))
+		case "form":
+			extractors = append(extractors, jwtFromForm(parts[1]))
+		case "header":
+			extractors = append(extractors, jwtFromHeader(parts[1], config.AuthScheme))
+		}
 	}
 
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
@@ -177,8 +206,17 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 			if config.BeforeFunc != nil {
 				config.BeforeFunc(c)
 			}
-
+			var auth string
-			auth, err := extractor(c)
+			var err error
+			for _, extractor := range extractors {
+				// Extract token from extractor, if it's not fail break the loop and
+				// set auth
+				auth, err = extractor(c)
+				if err == nil {
+					break
+				}
+			}
+			// If none of extractor has a token, handle error
 			if err != nil {
 				if config.ErrorHandler != nil {
 					return config.ErrorHandler(err)
@@ -189,16 +227,9 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 				}
 				return err
 			}
-			token := new(jwt.Token)
+
-			// Issue #647, #656
+			token, err := config.ParseTokenFunc(auth, c)
-			if _, ok := config.Claims.(jwt.MapClaims); ok {
+			if err == nil {
-				token, err = jwt.Parse(auth, config.keyFunc)
-			} else {
-				t := reflect.ValueOf(config.Claims).Type().Elem()
-				claims := reflect.New(t).Interface().(jwt.Claims)
-				token, err = jwt.ParseWithClaims(auth, claims, config.keyFunc)
-			}
-			if err == nil && token.Valid {
 				// Store user information from token into context.
 				c.Set(config.ContextKey, token)
 				if config.SuccessHandler != nil {
@@ -213,20 +244,58 @@ func JWTWithConfig(config JWTConfig) echo.MiddlewareFunc {
 				return config.ErrorHandlerWithContext(err, c)
 			}
 			return &echo.HTTPError{
-				Code:     http.StatusUnauthorized,
+				Code:     ErrJWTInvalid.Code,
-				Message:  "invalid or expired jwt",
+				Message:  ErrJWTInvalid.Message,
 				Internal: err,
 			}
 		}
 	}
 }
 
+func (config *JWTConfig) defaultParseToken(auth string, c echo.Context) (interface{}, error) {
+	token := new(jwt.Token)
+	var err error
+	// Issue #647, #656
+	if _, ok := config.Claims.(jwt.MapClaims); ok {
+		token, err = jwt.Parse(auth, config.KeyFunc)
+	} else {
+		t := reflect.ValueOf(config.Claims).Type().Elem()
+		claims := reflect.New(t).Interface().(jwt.Claims)
+		token, err = jwt.ParseWithClaims(auth, claims, config.KeyFunc)
+	}
+	if err != nil {
+		return nil, err
+	}
+	if !token.Valid {
+		return nil, errors.New("invalid token")
+	}
+	return token, nil
+}
+
+// defaultKeyFunc returns a signing key of the given token.
+func (config *JWTConfig) defaultKeyFunc(t *jwt.Token) (interface{}, error) {
+	// Check the signing method
+	if t.Method.Alg() != config.SigningMethod {
+		return nil, fmt.Errorf("unexpected jwt signing method=%v", t.Header["alg"])
+	}
+	if len(config.SigningKeys) > 0 {
+		if kid, ok := t.Header["kid"].(string); ok {
+			if key, ok := config.SigningKeys[kid]; ok {
+				return key, nil
+			}
+		}
+		return nil, fmt.Errorf("unexpected jwt key id=%v", t.Header["kid"])
+	}
+
+	return config.SigningKey, nil
+}
+
 // jwtFromHeader returns a `jwtExtractor` that extracts token from the request header.
 func jwtFromHeader(header string, authScheme string) jwtExtractor {
 	return func(c echo.Context) (string, error) {
 		auth := c.Request().Header.Get(header)
 		l := len(authScheme)
-		if len(auth) > l+1 && auth[:l] == authScheme {
+		if len(auth) > l+1 && strings.EqualFold(auth[:l], authScheme) {
 			return auth[l+1:], nil
 		}
 		return "", ErrJWTMissing
@@ -265,3 +334,14 @@ func jwtFromCookie(name string) jwtExtractor {
 		return cookie.Value, nil
 	}
 }
+
+// jwtFromForm returns a `jwtExtractor` that extracts token from the form field.
+func jwtFromForm(name string) jwtExtractor {
+	return func(c echo.Context) (string, error) {
+		field := c.FormValue(name)
+		if field == "" {
+			return "", ErrJWTMissing
+		}
+		return field, nil
+	}
+}

vendor/github.com/labstack/echo/v4/middleware/key_auth.go

@@ -2,6 +2,7 @@ package middleware
 
 import (
 	"errors"
+	"fmt"
 	"net/http"
 	"strings"
 
@@ -21,6 +22,7 @@ type (
 		// - "header:<name>"
 		// - "query:<name>"
 		// - "form:<name>"
+		// - "cookie:<name>"
 		KeyLookup string `yaml:"key_lookup"`
 
 		// AuthScheme to be used in the Authorization header.
@@ -30,12 +32,19 @@ type (
 		// Validator is a function to validate key.
 		// Required.
 		Validator KeyAuthValidator
+
+		// ErrorHandler defines a function which is executed for an invalid key.
+		// It may be used to define a custom error.
+		ErrorHandler KeyAuthErrorHandler
 	}
 
 	// KeyAuthValidator defines a function to validate KeyAuth credentials.
 	KeyAuthValidator func(string, echo.Context) (bool, error)
 
 	keyExtractor func(echo.Context) (string, error)
+
+	// KeyAuthErrorHandler defines a function which is executed for an invalid key.
+	KeyAuthErrorHandler func(error, echo.Context) error
 )
 
 var (
@@ -84,6 +93,8 @@ func KeyAuthWithConfig(config KeyAuthConfig) echo.MiddlewareFunc {
 		extractor = keyFromQuery(parts[1])
 	case "form":
 		extractor = keyFromForm(parts[1])
+	case "cookie":
+		extractor = keyFromCookie(parts[1])
 	}
 
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
@@ -95,10 +106,16 @@ func KeyAuthWithConfig(config KeyAuthConfig) echo.MiddlewareFunc {
 			// Extract and verify key
 			key, err := extractor(c)
 			if err != nil {
+				if config.ErrorHandler != nil {
+					return config.ErrorHandler(err, c)
+				}
 				return echo.NewHTTPError(http.StatusBadRequest, err.Error())
 			}
 			valid, err := config.Validator(key, c)
 			if err != nil {
+				if config.ErrorHandler != nil {
+					return config.ErrorHandler(err, c)
+				}
 				return &echo.HTTPError{
 					Code:     http.StatusUnauthorized,
 					Message:  "invalid key",
@@ -151,3 +168,14 @@ func keyFromForm(param string) keyExtractor {
 		return key, nil
 	}
 }
+
+// keyFromCookie returns a `keyExtractor` that extracts key from the form.
+func keyFromCookie(cookieName string) keyExtractor {
+	return func(c echo.Context) (string, error) {
+		key, err := c.Cookie(cookieName)
+		if err != nil {
+			return "", fmt.Errorf("missing key in cookies: %w", err)
+		}
+		return key.Value, nil
+	}
+}

vendor/github.com/labstack/echo/v4/middleware/middleware.go

@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"net/http"
 	"regexp"
 	"strconv"
 	"strings"
@@ -32,6 +33,56 @@ func captureTokens(pattern *regexp.Regexp, input string) *strings.Replacer {
 	return strings.NewReplacer(replace...)
 }
 
+func rewriteRulesRegex(rewrite map[string]string) map[*regexp.Regexp]string {
+	// Initialize
+	rulesRegex := map[*regexp.Regexp]string{}
+	for k, v := range rewrite {
+		k = regexp.QuoteMeta(k)
+		k = strings.Replace(k, `\*`, "(.*?)", -1)
+		if strings.HasPrefix(k, `\^`) {
+			k = strings.Replace(k, `\^`, "^", -1)
+		}
+		k = k + "$"
+		rulesRegex[regexp.MustCompile(k)] = v
+	}
+	return rulesRegex
+}
+
+func rewriteURL(rewriteRegex map[*regexp.Regexp]string, req *http.Request) error {
+	if len(rewriteRegex) == 0 {
+		return nil
+	}
+
+	// Depending how HTTP request is sent RequestURI could contain Scheme://Host/path or be just /path.
+	// We only want to use path part for rewriting and therefore trim prefix if it exists
+	rawURI := req.RequestURI
+	if rawURI != "" && rawURI[0] != '/' {
+		prefix := ""
+		if req.URL.Scheme != "" {
+			prefix = req.URL.Scheme + "://"
+		}
+		if req.URL.Host != "" {
+			prefix += req.URL.Host // host or host:port
+		}
+		if prefix != "" {
+			rawURI = strings.TrimPrefix(rawURI, prefix)
+		}
+	}
+
+	for k, v := range rewriteRegex {
+		if replacer := captureTokens(k, rawURI); replacer != nil {
+			url, err := req.URL.Parse(replacer.Replace(v))
+			if err != nil {
+				return err
+			}
+			req.URL = url
+
+			return nil // rewrite only once
+		}
+	}
+	return nil
+}
+
 // DefaultSkipper returns false which processes the middleware.
 func DefaultSkipper(echo.Context) bool {
 	return false

vendor/github.com/labstack/echo/v4/middleware/proxy.go

@@ -1,11 +1,13 @@
 package middleware
 
 import (
+	"context"
 	"fmt"
 	"io"
 	"math/rand"
 	"net"
 	"net/http"
+	"net/http/httputil"
 	"net/url"
 	"regexp"
 	"strings"
@@ -37,6 +39,13 @@ type (
 		// "/users/*/orders/*": "/user/$1/order/$2",
 		Rewrite map[string]string
 
+		// RegexRewrite defines rewrite rules using regexp.Rexexp with captures
+		// Every capture group in the values can be retrieved by index e.g. $1, $2 and so on.
+		// Example:
+		// "^/old/[0.9]+/":     "/new",
+		// "^/api/.+?/(.*)":    "/v2/$1",
+		RegexRewrite map[*regexp.Regexp]string
+
 		// Context key to store selected ProxyTarget into context.
 		// Optional. Default value "target".
 		ContextKey string
@@ -47,8 +56,6 @@ type (
 
 		// ModifyResponse defines function to modify response from ProxyTarget.
 		ModifyResponse func(*http.Response) error
-
-		rewriteRegex map[*regexp.Regexp]string
 	}
 
 	// ProxyTarget defines the upstream target.
@@ -206,12 +213,14 @@ func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
 	if config.Balancer == nil {
 		panic("echo: proxy middleware requires balancer")
 	}
-	config.rewriteRegex = map[*regexp.Regexp]string{}
 
-	// Initialize
+	if config.Rewrite != nil {
-	for k, v := range config.Rewrite {
+		if config.RegexRewrite == nil {
-		k = strings.Replace(k, "*", "(\\S*)", -1)
+			config.RegexRewrite = make(map[*regexp.Regexp]string)
-		config.rewriteRegex[regexp.MustCompile(k)] = v
+		}
+		for k, v := range rewriteRulesRegex(config.Rewrite) {
+			config.RegexRewrite[k] = v
+		}
 	}
 
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
@@ -225,12 +234,8 @@ func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
 			tgt := config.Balancer.Next(c)
 			c.Set(config.ContextKey, tgt)
 
-			// Rewrite
+			if err := rewriteURL(config.RegexRewrite, req); err != nil {
-			for k, v := range config.rewriteRegex {
+				return err
-				replacer := captureTokens(k, echo.GetPath(req))
-				if replacer != nil {
-					req.URL.Path = replacer.Replace(v)
-				}
 			}
 
 			// Fix header
@@ -262,3 +267,37 @@ func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
 		}
 	}
 }
+
+// StatusCodeContextCanceled is a custom HTTP status code for situations
+// where a client unexpectedly closed the connection to the server.
+// As there is no standard error code for "client closed connection", but
+// various well-known HTTP clients and server implement this HTTP code we use
+// 499 too instead of the more problematic 5xx, which does not allow to detect this situation
+const StatusCodeContextCanceled = 499
+
+func proxyHTTP(tgt *ProxyTarget, c echo.Context, config ProxyConfig) http.Handler {
+	proxy := httputil.NewSingleHostReverseProxy(tgt.URL)
+	proxy.ErrorHandler = func(resp http.ResponseWriter, req *http.Request, err error) {
+		desc := tgt.URL.String()
+		if tgt.Name != "" {
+			desc = fmt.Sprintf("%s(%s)", tgt.Name, tgt.URL.String())
+		}
+		// If the client canceled the request (usually by closing the connection), we can report a
+		// client error (4xx) instead of a server error (5xx) to correctly identify the situation.
+		// The Go standard library (at of late 2020) wraps the exported, standard
+		// context.Canceled error with unexported garbage value requiring a substring check, see
+		// https://github.com/golang/go/blob/6965b01ea248cabb70c3749fd218b36089a21efb/src/net/net.go#L416-L430
+		if err == context.Canceled || strings.Contains(err.Error(), "operation was canceled") {
+			httpError := echo.NewHTTPError(StatusCodeContextCanceled, fmt.Sprintf("client closed connection: %v", err))
+			httpError.Internal = err
+			c.Set("_error", httpError)
+		} else {
+			httpError := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("remote %s unreachable, could not forward: %v", desc, err))
+			httpError.Internal = err
+			c.Set("_error", httpError)
+		}
+	}
+	proxy.Transport = config.Transport
+	proxy.ModifyResponse = config.ModifyResponse
+	return proxy
+}

vendor/github.com/labstack/echo/v4/middleware/proxy_1_11.go

@@ -1,25 +0,0 @@
-// +build go1.11
-
-package middleware
-
-import (
-	"fmt"
-	"net/http"
-	"net/http/httputil"
-
-	"github.com/labstack/echo/v4"
-)
-
-func proxyHTTP(tgt *ProxyTarget, c echo.Context, config ProxyConfig) http.Handler {
-	proxy := httputil.NewSingleHostReverseProxy(tgt.URL)
-	proxy.ErrorHandler = func(resp http.ResponseWriter, req *http.Request, err error) {
-		desc := tgt.URL.String()
-		if tgt.Name != "" {
-			desc = fmt.Sprintf("%s(%s)", tgt.Name, tgt.URL.String())
-		}
-		c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("remote %s unreachable, could not forward: %v", desc, err)))
-	}
-	proxy.Transport = config.Transport
-	proxy.ModifyResponse = config.ModifyResponse
-	return proxy
-}

vendor/github.com/labstack/echo/v4/middleware/proxy_1_11_n.go

@@ -1,14 +0,0 @@
-// +build !go1.11
-
-package middleware
-
-import (
-	"net/http"
-	"net/http/httputil"
-
-	"github.com/labstack/echo/v4"
-)
-
-func proxyHTTP(t *ProxyTarget, c echo.Context, config ProxyConfig) http.Handler {
-	return httputil.NewSingleHostReverseProxy(t.URL)
-}

vendor/github.com/labstack/echo/v4/middleware/rate_limiter.go

@@ -0,0 +1,267 @@
+package middleware
+
+import (
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/labstack/echo/v4"
+	"golang.org/x/time/rate"
+)
+
+type (
+	// RateLimiterStore is the interface to be implemented by custom stores.
+	RateLimiterStore interface {
+		// Stores for the rate limiter have to implement the Allow method
+		Allow(identifier string) (bool, error)
+	}
+)
+
+type (
+	// RateLimiterConfig defines the configuration for the rate limiter
+	RateLimiterConfig struct {
+		Skipper    Skipper
+		BeforeFunc BeforeFunc
+		// IdentifierExtractor uses echo.Context to extract the identifier for a visitor
+		IdentifierExtractor Extractor
+		// Store defines a store for the rate limiter
+		Store RateLimiterStore
+		// ErrorHandler provides a handler to be called when IdentifierExtractor returns an error
+		ErrorHandler func(context echo.Context, err error) error
+		// DenyHandler provides a handler to be called when RateLimiter denies access
+		DenyHandler func(context echo.Context, identifier string, err error) error
+	}
+	// Extractor is used to extract data from echo.Context
+	Extractor func(context echo.Context) (string, error)
+)
+
+// errors
+var (
+	// ErrRateLimitExceeded denotes an error raised when rate limit is exceeded
+	ErrRateLimitExceeded = echo.NewHTTPError(http.StatusTooManyRequests, "rate limit exceeded")
+	// ErrExtractorError denotes an error raised when extractor function is unsuccessful
+	ErrExtractorError = echo.NewHTTPError(http.StatusForbidden, "error while extracting identifier")
+)
+
+// DefaultRateLimiterConfig defines default values for RateLimiterConfig
+var DefaultRateLimiterConfig = RateLimiterConfig{
+	Skipper: DefaultSkipper,
+	IdentifierExtractor: func(ctx echo.Context) (string, error) {
+		id := ctx.RealIP()
+		return id, nil
+	},
+	ErrorHandler: func(context echo.Context, err error) error {
+		return &echo.HTTPError{
+			Code:     ErrExtractorError.Code,
+			Message:  ErrExtractorError.Message,
+			Internal: err,
+		}
+	},
+	DenyHandler: func(context echo.Context, identifier string, err error) error {
+		return &echo.HTTPError{
+			Code:     ErrRateLimitExceeded.Code,
+			Message:  ErrRateLimitExceeded.Message,
+			Internal: err,
+		}
+	},
+}
+
+/*
+RateLimiter returns a rate limiting middleware
+
+	e := echo.New()
+
+	limiterStore := middleware.NewRateLimiterMemoryStore(20)
+
+	e.GET("/rate-limited", func(c echo.Context) error {
+		return c.String(http.StatusOK, "test")
+	}, RateLimiter(limiterStore))
+*/
+func RateLimiter(store RateLimiterStore) echo.MiddlewareFunc {
+	config := DefaultRateLimiterConfig
+	config.Store = store
+
+	return RateLimiterWithConfig(config)
+}
+
+/*
+RateLimiterWithConfig returns a rate limiting middleware
+
+	e := echo.New()
+
+	config := middleware.RateLimiterConfig{
+		Skipper: DefaultSkipper,
+		Store: middleware.NewRateLimiterMemoryStore(
+			middleware.RateLimiterMemoryStoreConfig{Rate: 10, Burst: 30, ExpiresIn: 3 * time.Minute}
+		)
+		IdentifierExtractor: func(ctx echo.Context) (string, error) {
+			id := ctx.RealIP()
+			return id, nil
+		},
+		ErrorHandler: func(context echo.Context, err error) error {
+			return context.JSON(http.StatusTooManyRequests, nil)
+		},
+		DenyHandler: func(context echo.Context, identifier string) error {
+			return context.JSON(http.StatusForbidden, nil)
+		},
+	}
+
+	e.GET("/rate-limited", func(c echo.Context) error {
+		return c.String(http.StatusOK, "test")
+	}, middleware.RateLimiterWithConfig(config))
+*/
+func RateLimiterWithConfig(config RateLimiterConfig) echo.MiddlewareFunc {
+	if config.Skipper == nil {
+		config.Skipper = DefaultRateLimiterConfig.Skipper
+	}
+	if config.IdentifierExtractor == nil {
+		config.IdentifierExtractor = DefaultRateLimiterConfig.IdentifierExtractor
+	}
+	if config.ErrorHandler == nil {
+		config.ErrorHandler = DefaultRateLimiterConfig.ErrorHandler
+	}
+	if config.DenyHandler == nil {
+		config.DenyHandler = DefaultRateLimiterConfig.DenyHandler
+	}
+	if config.Store == nil {
+		panic("Store configuration must be provided")
+	}
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			if config.Skipper(c) {
+				return next(c)
+			}
+			if config.BeforeFunc != nil {
+				config.BeforeFunc(c)
+			}
+
+			identifier, err := config.IdentifierExtractor(c)
+			if err != nil {
+				c.Error(config.ErrorHandler(c, err))
+				return nil
+			}
+
+			if allow, err := config.Store.Allow(identifier); !allow {
+				c.Error(config.DenyHandler(c, identifier, err))
+				return nil
+			}
+			return next(c)
+		}
+	}
+}
+
+type (
+	// RateLimiterMemoryStore is the built-in store implementation for RateLimiter
+	RateLimiterMemoryStore struct {
+		visitors    map[string]*Visitor
+		mutex       sync.Mutex
+		rate        rate.Limit
+		burst       int
+		expiresIn   time.Duration
+		lastCleanup time.Time
+	}
+	// Visitor signifies a unique user's limiter details
+	Visitor struct {
+		*rate.Limiter
+		lastSeen time.Time
+	}
+)
+
+/*
+NewRateLimiterMemoryStore returns an instance of RateLimiterMemoryStore with
+the provided rate (as req/s). The provided rate less than 1 will be treated as zero.
+Burst and ExpiresIn will be set to default values.
+
+Example (with 20 requests/sec):
+
+	limiterStore := middleware.NewRateLimiterMemoryStore(20)
+
+*/
+func NewRateLimiterMemoryStore(rate rate.Limit) (store *RateLimiterMemoryStore) {
+	return NewRateLimiterMemoryStoreWithConfig(RateLimiterMemoryStoreConfig{
+		Rate: rate,
+	})
+}
+
+/*
+NewRateLimiterMemoryStoreWithConfig returns an instance of RateLimiterMemoryStore
+with the provided configuration. Rate must be provided. Burst will be set to the value of
+the configured rate if not provided or set to 0.
+
+The build-in memory store is usually capable for modest loads. For higher loads other
+store implementations should be considered.
+
+Characteristics:
+* Concurrency above 100 parallel requests may causes measurable lock contention
+* A high number of different IP addresses (above 16000) may be impacted by the internally used Go map
+* A high number of requests from a single IP address may cause lock contention
+
+Example:
+
+	limiterStore := middleware.NewRateLimiterMemoryStoreWithConfig(
+		middleware.RateLimiterMemoryStoreConfig{Rate: 50, Burst: 200, ExpiresIn: 5 * time.Minutes},
+	)
+*/
+func NewRateLimiterMemoryStoreWithConfig(config RateLimiterMemoryStoreConfig) (store *RateLimiterMemoryStore) {
+	store = &RateLimiterMemoryStore{}
+
+	store.rate = config.Rate
+	store.burst = config.Burst
+	store.expiresIn = config.ExpiresIn
+	if config.ExpiresIn == 0 {
+		store.expiresIn = DefaultRateLimiterMemoryStoreConfig.ExpiresIn
+	}
+	if config.Burst == 0 {
+		store.burst = int(config.Rate)
+	}
+	store.visitors = make(map[string]*Visitor)
+	store.lastCleanup = now()
+	return
+}
+
+// RateLimiterMemoryStoreConfig represents configuration for RateLimiterMemoryStore
+type RateLimiterMemoryStoreConfig struct {
+	Rate      rate.Limit    // Rate of requests allowed to pass as req/s
+	Burst     int           // Burst additionally allows a number of requests to pass when rate limit is reached
+	ExpiresIn time.Duration // ExpiresIn is the duration after that a rate limiter is cleaned up
+}
+
+// DefaultRateLimiterMemoryStoreConfig provides default configuration values for RateLimiterMemoryStore
+var DefaultRateLimiterMemoryStoreConfig = RateLimiterMemoryStoreConfig{
+	ExpiresIn: 3 * time.Minute,
+}
+
+// Allow implements RateLimiterStore.Allow
+func (store *RateLimiterMemoryStore) Allow(identifier string) (bool, error) {
+	store.mutex.Lock()
+	limiter, exists := store.visitors[identifier]
+	if !exists {
+		limiter = new(Visitor)
+		limiter.Limiter = rate.NewLimiter(store.rate, store.burst)
+		store.visitors[identifier] = limiter
+	}
+	limiter.lastSeen = now()
+	if now().Sub(store.lastCleanup) > store.expiresIn {
+		store.cleanupStaleVisitors()
+	}
+	store.mutex.Unlock()
+	return limiter.AllowN(now(), 1), nil
+}
+
+/*
+cleanupStaleVisitors helps manage the size of the visitors map by removing stale records
+of users who haven't visited again after the configured expiry time has elapsed
+*/
+func (store *RateLimiterMemoryStore) cleanupStaleVisitors() {
+	for id, visitor := range store.visitors {
+		if now().Sub(visitor.lastSeen) > store.expiresIn {
+			delete(store.visitors, id)
+		}
+	}
+	store.lastCleanup = now()
+}
+
+/*
+actual time method which is mocked in test file
+*/
+var now = time.Now

vendor/github.com/labstack/echo/v4/middleware/redirect.go

@@ -2,6 +2,7 @@ package middleware
 
 import (
 	"net/http"
+	"strings"
 
 	"github.com/labstack/echo/v4"
 )
@@ -40,11 +41,11 @@ func HTTPSRedirect() echo.MiddlewareFunc {
 // HTTPSRedirectWithConfig returns an HTTPSRedirect middleware with config.
 // See `HTTPSRedirect()`.
 func HTTPSRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
+	return redirect(config, func(scheme, host, uri string) (bool, string) {
-		if ok = scheme != "https"; ok {
+		if scheme != "https" {
-			url = "https://" + host + uri
+			return true, "https://" + host + uri
 		}
-		return
+		return false, ""
 	})
 }
 
@@ -59,11 +60,11 @@ func HTTPSWWWRedirect() echo.MiddlewareFunc {
 // HTTPSWWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
 // See `HTTPSWWWRedirect()`.
 func HTTPSWWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
+	return redirect(config, func(scheme, host, uri string) (bool, string) {
-		if ok = scheme != "https" && host[:4] != www; ok {
+		if scheme != "https" && !strings.HasPrefix(host, www) {
-			url = "https://www." + host + uri
+			return true, "https://www." + host + uri
 		}
-		return
+		return false, ""
 	})
 }
 
@@ -79,13 +80,11 @@ func HTTPSNonWWWRedirect() echo.MiddlewareFunc {
 // See `HTTPSNonWWWRedirect()`.
 func HTTPSNonWWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
 	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
-		if ok = scheme != "https"; ok {
+		if scheme != "https" {
-			if host[:4] == www {
+			host = strings.TrimPrefix(host, www)
-				host = host[4:]
+			return true, "https://" + host + uri
-			}
-			url = "https://" + host + uri
 		}
-		return
+		return false, ""
 	})
 }
 
@@ -100,11 +99,11 @@ func WWWRedirect() echo.MiddlewareFunc {
 // WWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
 // See `WWWRedirect()`.
 func WWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
+	return redirect(config, func(scheme, host, uri string) (bool, string) {
-		if ok = host[:4] != www; ok {
+		if !strings.HasPrefix(host, www) {
-			url = scheme + "://www." + host + uri
+			return true, scheme + "://www." + host + uri
 		}
-		return
+		return false, ""
 	})
 }
 
@@ -119,17 +118,17 @@ func NonWWWRedirect() echo.MiddlewareFunc {
 // NonWWWRedirectWithConfig returns an HTTPSRedirect middleware with config.
 // See `NonWWWRedirect()`.
 func NonWWWRedirectWithConfig(config RedirectConfig) echo.MiddlewareFunc {
-	return redirect(config, func(scheme, host, uri string) (ok bool, url string) {
+	return redirect(config, func(scheme, host, uri string) (bool, string) {
-		if ok = host[:4] == www; ok {
+		if strings.HasPrefix(host, www) {
-			url = scheme + "://" + host[4:] + uri
+			return true, scheme + "://" + host[4:] + uri
 		}
-		return
+		return false, ""
 	})
 }
 
 func redirect(config RedirectConfig, cb redirectLogic) echo.MiddlewareFunc {
 	if config.Skipper == nil {
-		config.Skipper = DefaultTrailingSlashConfig.Skipper
+		config.Skipper = DefaultRedirectConfig.Skipper
 	}
 	if config.Code == 0 {
 		config.Code = DefaultRedirectConfig.Code

vendor/github.com/labstack/echo/v4/middleware/request_id.go

@@ -14,6 +14,9 @@ type (
 		// Generator defines a function to generate an ID.
 		// Optional. Default value random.String(32).
 		Generator func() string
+
+		// RequestIDHandler defines a function which is executed for a request id.
+		RequestIDHandler func(echo.Context, string)
 	}
 )
 
@@ -53,6 +56,9 @@ func RequestIDWithConfig(config RequestIDConfig) echo.MiddlewareFunc {
 				rid = config.Generator()
 			}
 			res.Header().Set(echo.HeaderXRequestID, rid)
+			if config.RequestIDHandler != nil {
+				config.RequestIDHandler(c, rid)
+			}
 
 			return next(c)
 		}

vendor/github.com/labstack/echo/v4/middleware/request_logger.go

@@ -0,0 +1,314 @@
+package middleware
+
+import (
+	"errors"
+	"github.com/labstack/echo/v4"
+	"net/http"
+	"time"
+)
+
+// Example for `fmt.Printf`
+// 	e.Use(middleware.RequestLoggerWithConfig(middleware.RequestLoggerConfig{
+//		LogStatus: true,
+//		LogURI:    true,
+//		LogValuesFunc: func(c echo.Context, v middleware.RequestLoggerValues) error {
+//			fmt.Printf("REQUEST: uri: %v, status: %v\n", v.URI, v.Status)
+//			return nil
+//		},
+//	}))
+//
+// Example for Zerolog (https://github.com/rs/zerolog)
+// 	logger := zerolog.New(os.Stdout)
+//	e.Use(middleware.RequestLoggerWithConfig(middleware.RequestLoggerConfig{
+//		LogURI:    true,
+//		LogStatus: true,
+//		LogValuesFunc: func(c echo.Context, v middleware.RequestLoggerValues) error {
+//			logger.Info().
+//				Str("URI", v.URI).
+//				Int("status", v.Status).
+//				Msg("request")
+//
+//			return nil
+//		},
+//	}))
+//
+// Example for Zap (https://github.com/uber-go/zap)
+// 	logger, _ := zap.NewProduction()
+//	e.Use(middleware.RequestLoggerWithConfig(middleware.RequestLoggerConfig{
+//		LogURI:    true,
+//		LogStatus: true,
+//		LogValuesFunc: func(c echo.Context, v middleware.RequestLoggerValues) error {
+//			logger.Info("request",
+//				zap.String("URI", v.URI),
+//				zap.Int("status", v.Status),
+//			)
+//
+//			return nil
+//		},
+//	}))
+//
+// Example for Logrus (https://github.com/sirupsen/logrus)
+// 	log := logrus.New()
+//	e.Use(middleware.RequestLoggerWithConfig(middleware.RequestLoggerConfig{
+//		LogURI:    true,
+//		LogStatus: true,
+//		LogValuesFunc: func(c echo.Context, values middleware.RequestLoggerValues) error {
+//			log.WithFields(logrus.Fields{
+//				"URI":   values.URI,
+//				"status": values.Status,
+//			}).Info("request")
+//
+//			return nil
+//		},
+//	}))
+
+// RequestLoggerConfig is configuration for Request Logger middleware.
+type RequestLoggerConfig struct {
+	// Skipper defines a function to skip middleware.
+	Skipper Skipper
+
+	// BeforeNextFunc defines a function that is called before next middleware or handler is called in chain.
+	BeforeNextFunc func(c echo.Context)
+	// LogValuesFunc defines a function that is called with values extracted by logger from request/response.
+	// Mandatory.
+	LogValuesFunc func(c echo.Context, v RequestLoggerValues) error
+
+	// LogLatency instructs logger to record duration it took to execute rest of the handler chain (next(c) call).
+	LogLatency bool
+	// LogProtocol instructs logger to extract request protocol (i.e. `HTTP/1.1` or `HTTP/2`)
+	LogProtocol bool
+	// LogRemoteIP instructs logger to extract request remote IP. See `echo.Context.RealIP()` for implementation details.
+	LogRemoteIP bool
+	// LogHost instructs logger to extract request host value (i.e. `example.com`)
+	LogHost bool
+	// LogMethod instructs logger to extract request method value (i.e. `GET` etc)
+	LogMethod bool
+	// LogURI instructs logger to extract request URI (i.e. `/list?lang=en&page=1`)
+	LogURI bool
+	// LogURIPath instructs logger to extract request URI path part (i.e. `/list`)
+	LogURIPath bool
+	// LogRoutePath instructs logger to extract route path part to which request was matched to (i.e. `/user/:id`)
+	LogRoutePath bool
+	// LogRequestID instructs logger to extract request ID from request `X-Request-ID` header or response if request did not have value.
+	LogRequestID bool
+	// LogReferer instructs logger to extract request referer values.
+	LogReferer bool
+	// LogUserAgent instructs logger to extract request user agent values.
+	LogUserAgent bool
+	// LogStatus instructs logger to extract response status code. If handler chain returns an echo.HTTPError,
+	// the status code is extracted from the echo.HTTPError returned
+	LogStatus bool
+	// LogError instructs logger to extract error returned from executed handler chain.
+	LogError bool
+	// LogContentLength instructs logger to extract content length header value. Note: this value could be different from
+	// actual request body size as it could be spoofed etc.
+	LogContentLength bool
+	// LogResponseSize instructs logger to extract response content length value. Note: when used with Gzip middleware
+	// this value may not be always correct.
+	LogResponseSize bool
+	// LogHeaders instructs logger to extract given list of headers from request. Note: request can contain more than
+	// one header with same value so slice of values is been logger for each given header.
+	//
+	// Note: header values are converted to canonical form with http.CanonicalHeaderKey as this how request parser converts header
+	// names to. For example, the canonical key for "accept-encoding" is "Accept-Encoding".
+	LogHeaders []string
+	// LogQueryParams instructs logger to extract given list of query parameters from request URI. Note: request can
+	// contain more than one query parameter with same name so slice of values is been logger for each given query param name.
+	LogQueryParams []string
+	// LogFormValues instructs logger to extract given list of form values from request body+URI. Note: request can
+	// contain more than one form value with same name so slice of values is been logger for each given form value name.
+	LogFormValues []string
+
+	timeNow func() time.Time
+}
+
+// RequestLoggerValues contains extracted values from logger.
+type RequestLoggerValues struct {
+	// StartTime is time recorded before next middleware/handler is executed.
+	StartTime time.Time
+	// Latency is duration it took to execute rest of the handler chain (next(c) call).
+	Latency time.Duration
+	// Protocol is request protocol (i.e. `HTTP/1.1` or `HTTP/2`)
+	Protocol string
+	// RemoteIP is request remote IP. See `echo.Context.RealIP()` for implementation details.
+	RemoteIP string
+	// Host is request host value (i.e. `example.com`)
+	Host string
+	// Method is request method value (i.e. `GET` etc)
+	Method string
+	// URI is request URI (i.e. `/list?lang=en&page=1`)
+	URI string
+	// URIPath is request URI path part (i.e. `/list`)
+	URIPath string
+	// RoutePath is route path part to which request was matched to (i.e. `/user/:id`)
+	RoutePath string
+	// RequestID is request ID from request `X-Request-ID` header or response if request did not have value.
+	RequestID string
+	// Referer is request referer values.
+	Referer string
+	// UserAgent is request user agent values.
+	UserAgent string
+	// Status is response status code. Then handler returns an echo.HTTPError then code from there.
+	Status int
+	// Error is error returned from executed handler chain.
+	Error error
+	// ContentLength is content length header value. Note: this value could be different from actual request body size
+	// as it could be spoofed etc.
+	ContentLength string
+	// ResponseSize is response content length value. Note: when used with Gzip middleware this value may not be always correct.
+	ResponseSize int64
+	// Headers are list of headers from request. Note: request can contain more than one header with same value so slice
+	// of values is been logger for each given header.
+	// Note: header values are converted to canonical form with http.CanonicalHeaderKey as this how request parser converts header
+	// names to. For example, the canonical key for "accept-encoding" is "Accept-Encoding".
+	Headers map[string][]string
+	// QueryParams are list of query parameters from request URI. Note: request can contain more than one query parameter
+	// with same name so slice of values is been logger for each given query param name.
+	QueryParams map[string][]string
+	// FormValues are list of form values from request body+URI. Note: request can contain more than one form value with
+	// same name so slice of values is been logger for each given form value name.
+	FormValues map[string][]string
+}
+
+// RequestLoggerWithConfig returns a RequestLogger middleware with config.
+func RequestLoggerWithConfig(config RequestLoggerConfig) echo.MiddlewareFunc {
+	mw, err := config.ToMiddleware()
+	if err != nil {
+		panic(err)
+	}
+	return mw
+}
+
+// ToMiddleware converts RequestLoggerConfig into middleware or returns an error for invalid configuration.
+func (config RequestLoggerConfig) ToMiddleware() (echo.MiddlewareFunc, error) {
+	if config.Skipper == nil {
+		config.Skipper = DefaultSkipper
+	}
+	now = time.Now
+	if config.timeNow != nil {
+		now = config.timeNow
+	}
+
+	if config.LogValuesFunc == nil {
+		return nil, errors.New("missing LogValuesFunc callback function for request logger middleware")
+	}
+
+	logHeaders := len(config.LogHeaders) > 0
+	headers := append([]string(nil), config.LogHeaders...)
+	for i, v := range headers {
+		headers[i] = http.CanonicalHeaderKey(v)
+	}
+
+	logQueryParams := len(config.LogQueryParams) > 0
+	logFormValues := len(config.LogFormValues) > 0
+
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			if config.Skipper(c) {
+				return next(c)
+			}
+
+			req := c.Request()
+			res := c.Response()
+			start := now()
+
+			if config.BeforeNextFunc != nil {
+				config.BeforeNextFunc(c)
+			}
+			err := next(c)
+
+			v := RequestLoggerValues{
+				StartTime: start,
+			}
+			if config.LogLatency {
+				v.Latency = now().Sub(start)
+			}
+			if config.LogProtocol {
+				v.Protocol = req.Proto
+			}
+			if config.LogRemoteIP {
+				v.RemoteIP = c.RealIP()
+			}
+			if config.LogHost {
+				v.Host = req.Host
+			}
+			if config.LogMethod {
+				v.Method = req.Method
+			}
+			if config.LogURI {
+				v.URI = req.RequestURI
+			}
+			if config.LogURIPath {
+				p := req.URL.Path
+				if p == "" {
+					p = "/"
+				}
+				v.URIPath = p
+			}
+			if config.LogRoutePath {
+				v.RoutePath = c.Path()
+			}
+			if config.LogRequestID {
+				id := req.Header.Get(echo.HeaderXRequestID)
+				if id == "" {
+					id = res.Header().Get(echo.HeaderXRequestID)
+				}
+				v.RequestID = id
+			}
+			if config.LogReferer {
+				v.Referer = req.Referer()
+			}
+			if config.LogUserAgent {
+				v.UserAgent = req.UserAgent()
+			}
+			if config.LogStatus {
+				v.Status = res.Status
+				if err != nil {
+					if httpErr, ok := err.(*echo.HTTPError); ok {
+						v.Status = httpErr.Code
+					}
+				}
+			}
+			if config.LogError && err != nil {
+				v.Error = err
+			}
+			if config.LogContentLength {
+				v.ContentLength = req.Header.Get(echo.HeaderContentLength)
+			}
+			if config.LogResponseSize {
+				v.ResponseSize = res.Size
+			}
+			if logHeaders {
+				v.Headers = map[string][]string{}
+				for _, header := range headers {
+					if values, ok := req.Header[header]; ok {
+						v.Headers[header] = values
+					}
+				}
+			}
+			if logQueryParams {
+				queryParams := c.QueryParams()
+				v.QueryParams = map[string][]string{}
+				for _, param := range config.LogQueryParams {
+					if values, ok := queryParams[param]; ok {
+						v.QueryParams[param] = values
+					}
+				}
+			}
+			if logFormValues {
+				v.FormValues = map[string][]string{}
+				for _, formValue := range config.LogFormValues {
+					if values, ok := req.Form[formValue]; ok {
+						v.FormValues[formValue] = values
+					}
+				}
+			}
+
+			if errOnLog := config.LogValuesFunc(c, v); errOnLog != nil {
+				return errOnLog
+			}
+
+			return err
+		}
+	}, nil
+}

vendor/github.com/labstack/echo/v4/middleware/rewrite.go

@@ -2,7 +2,6 @@ package middleware
 
 import (
 	"regexp"
-	"strings"
 
 	"github.com/labstack/echo/v4"
 )
@@ -23,7 +22,12 @@ type (
 		// Required.
 		Rules map[string]string `yaml:"rules"`
 
-		rulesRegex map[*regexp.Regexp]string
+		// RegexRules defines the URL path rewrite rules using regexp.Rexexp with captures
+		// Every capture group in the values can be retrieved by index e.g. $1, $2 and so on.
+		// Example:
+		// "^/old/[0.9]+/":     "/new",
+		// "^/api/.+?/(.*)":     "/v2/$1",
+		RegexRules map[*regexp.Regexp]string `yaml:"regex_rules"`
 	}
 )
 
@@ -47,20 +51,19 @@ func Rewrite(rules map[string]string) echo.MiddlewareFunc {
 // See: `Rewrite()`.
 func RewriteWithConfig(config RewriteConfig) echo.MiddlewareFunc {
 	// Defaults
-	if config.Rules == nil {
+	if config.Rules == nil && config.RegexRules == nil {
-		panic("echo: rewrite middleware requires url path rewrite rules")
+		panic("echo: rewrite middleware requires url path rewrite rules or regex rules")
 	}
+
 	if config.Skipper == nil {
 		config.Skipper = DefaultBodyDumpConfig.Skipper
 	}
-	config.rulesRegex = map[*regexp.Regexp]string{}
 
-	// Initialize
+	if config.RegexRules == nil {
-	for k, v := range config.Rules {
+		config.RegexRules = make(map[*regexp.Regexp]string)
-		k = regexp.QuoteMeta(k)
+	}
-		k = strings.Replace(k, `\*`, "(.*)", -1)
+	for k, v := range rewriteRulesRegex(config.Rules) {
-		k = k + "$"
+		config.RegexRules[k] = v
-		config.rulesRegex[regexp.MustCompile(k)] = v
 	}
 
 	return func(next echo.HandlerFunc) echo.HandlerFunc {
@@ -69,15 +72,8 @@ func RewriteWithConfig(config RewriteConfig) echo.MiddlewareFunc {
 				return next(c)
 			}
 
-			req := c.Request()
+			if err := rewriteURL(config.RegexRules, c.Request()); err != nil {
-
+				return err
-			// Rewrite
-			for k, v := range config.rulesRegex {
-				replacer := captureTokens(k, req.URL.Path)
-				if replacer != nil {
-					req.URL.Path = replacer.Replace(v)
-					break
-				}
 			}
 			return next(c)
 		}

vendor/github.com/labstack/echo/v4/middleware/slash.go

@@ -60,7 +60,7 @@ func AddTrailingSlashWithConfig(config TrailingSlashConfig) echo.MiddlewareFunc
 
 				// Redirect
 				if config.RedirectCode != 0 {
-					return c.Redirect(config.RedirectCode, uri)
+					return c.Redirect(config.RedirectCode, sanitizeURI(uri))
 				}
 
 				// Forward
@@ -108,7 +108,7 @@ func RemoveTrailingSlashWithConfig(config TrailingSlashConfig) echo.MiddlewareFu
 
 				// Redirect
 				if config.RedirectCode != 0 {
-					return c.Redirect(config.RedirectCode, uri)
+					return c.Redirect(config.RedirectCode, sanitizeURI(uri))
 				}
 
 				// Forward
@@ -119,3 +119,12 @@ func RemoveTrailingSlashWithConfig(config TrailingSlashConfig) echo.MiddlewareFu
 		}
 	}
 }
+
+func sanitizeURI(uri string) string {
+	// double slash `\\`, `//` or even `\/` is absolute uri for browsers and by redirecting request to that uri
+	// we are vulnerable to open redirect attack. so replace all slashes from the beginning with single slash
+	if len(uri) > 1 && (uri[0] == '\\' || uri[0] == '/') && (uri[1] == '\\' || uri[1] == '/') {
+		uri = "/" + strings.TrimLeft(uri, `/\`)
+	}
+	return uri
+}

vendor/github.com/labstack/echo/v4/middleware/static.go

@@ -36,6 +36,16 @@ type (
 		// Enable directory browsing.
 		// Optional. Default value false.
 		Browse bool `yaml:"browse"`
+
+		// Enable ignoring of the base of the URL path.
+		// Example: when assigning a static middleware to a non root path group,
+		// the filesystem path is not doubled
+		// Optional. Default value false.
+		IgnoreBase bool `yaml:"ignoreBase"`
+
+		// Filesystem provides access to the static content.
+		// Optional. Defaults to http.Dir(config.Root)
+		Filesystem http.FileSystem `yaml:"-"`
 	}
 )
 
@@ -140,6 +150,10 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 	if config.Index == "" {
 		config.Index = DefaultStaticConfig.Index
 	}
+	if config.Filesystem == nil {
+		config.Filesystem = http.Dir(config.Root)
+		config.Root = "."
+	}
 
 	// Index template
 	t, err := template.New("index").Parse(html)
@@ -161,51 +175,84 @@ func StaticWithConfig(config StaticConfig) echo.MiddlewareFunc {
 			if err != nil {
 				return
 			}
-			name := filepath.Join(config.Root, path.Clean("/"+p)) // "/"+ for security
+			name := filepath.Join(config.Root, filepath.Clean("/"+p)) // "/"+ for security
 
-			fi, err := os.Stat(name)
+			if config.IgnoreBase {
-			if err != nil {
+				routePath := path.Base(strings.TrimRight(c.Path(), "/*"))
-				if os.IsNotExist(err) {
+				baseURLPath := path.Base(p)
-					if err = next(c); err != nil {
+				if baseURLPath == routePath {
-						if he, ok := err.(*echo.HTTPError); ok {
+					i := strings.LastIndex(name, routePath)
-							if config.HTML5 && he.Code == http.StatusNotFound {
+					name = name[:i] + strings.Replace(name[i:], routePath, "", 1)
-								return c.File(filepath.Join(config.Root, config.Index))
-							}
-						}
-						return
-					}
 				}
-				return
 			}
 
-			if fi.IsDir() {
+			file, err := openFile(config.Filesystem, name)
-				index := filepath.Join(name, config.Index)
+			if err != nil {
-				fi, err = os.Stat(index)
+				if !os.IsNotExist(err) {
+					return err
+				}
 
+				if err = next(c); err == nil {
+					return err
+				}
+
+				he, ok := err.(*echo.HTTPError)
+				if !(ok && config.HTML5 && he.Code == http.StatusNotFound) {
+					return err
+				}
+
+				file, err = openFile(config.Filesystem, filepath.Join(config.Root, config.Index))
+				if err != nil {
+					return err
+				}
+			}
+
+			defer file.Close()
+
+			info, err := file.Stat()
+			if err != nil {
+				return err
+			}
+
+			if info.IsDir() {
+				index, err := openFile(config.Filesystem, filepath.Join(name, config.Index))
 				if err != nil {
 					if config.Browse {
-						return listDir(t, name, c.Response())
+						return listDir(t, name, file, c.Response())
 					}
+
 					if os.IsNotExist(err) {
 						return next(c)
 					}
-					return
 				}
 
-				return c.File(index)
+				defer index.Close()
+
+				info, err = index.Stat()
+				if err != nil {
+					return err
+				}
+
+				return serveFile(c, index, info)
 			}
 
-			return c.File(name)
+			return serveFile(c, file, info)
 		}
 	}
 }
 
-func listDir(t *template.Template, name string, res *echo.Response) (err error) {
+func openFile(fs http.FileSystem, name string) (http.File, error) {
-	file, err := os.Open(name)
+	pathWithSlashes := filepath.ToSlash(name)
-	if err != nil {
+	return fs.Open(pathWithSlashes)
-		return
+}
-	}
+
-	files, err := file.Readdir(-1)
+func serveFile(c echo.Context, file http.File, info os.FileInfo) error {
+	http.ServeContent(c.Response(), c.Request(), info.Name(), info.ModTime(), file)
+	return nil
+}
+
+func listDir(t *template.Template, name string, dir http.File, res *echo.Response) (err error) {
+	files, err := dir.Readdir(-1)
 	if err != nil {
 		return
 	}

vendor/github.com/labstack/echo/v4/middleware/timeout.go

@@ -0,0 +1,182 @@
+package middleware
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/labstack/echo/v4"
+)
+
+// ---------------------------------------------------------------------------------------------------------------
+// WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
+// WARNING: Timeout middleware causes more problems than it solves.
+// WARNING: This middleware should be first middleware as it messes with request Writer and could cause data race if
+// 					it is in other position
+//
+// Depending on out requirements you could be better of setting timeout to context and
+// check its deadline from handler.
+//
+// For example: create middleware to set timeout to context
+// func RequestTimeout(timeout time.Duration) echo.MiddlewareFunc {
+//	return func(next echo.HandlerFunc) echo.HandlerFunc {
+//		return func(c echo.Context) error {
+//			timeoutCtx, cancel := context.WithTimeout(c.Request().Context(), timeout)
+//			c.SetRequest(c.Request().WithContext(timeoutCtx))
+//			defer cancel()
+//			return next(c)
+//		}
+//	}
+//}
+//
+// Create handler that checks for context deadline and runs actual task in separate coroutine
+// Note: separate coroutine may not be even if you do not want to process continue executing and
+// just want to stop long-running handler to stop and you are using "context aware" methods (ala db queries with ctx)
+// 	e.GET("/", func(c echo.Context) error {
+//
+//		doneCh := make(chan error)
+//		go func(ctx context.Context) {
+//			doneCh <- myPossiblyLongRunningBackgroundTaskWithCtx(ctx)
+//		}(c.Request().Context())
+//
+//		select { // wait for task to finish or context to timeout/cancelled
+//		case err := <-doneCh:
+//			if err != nil {
+//				return err
+//			}
+//			return c.String(http.StatusOK, "OK")
+//		case <-c.Request().Context().Done():
+//			if c.Request().Context().Err() == context.DeadlineExceeded {
+//				return c.String(http.StatusServiceUnavailable, "timeout")
+//			}
+//			return c.Request().Context().Err()
+//		}
+//
+//	})
+//
+
+type (
+	// TimeoutConfig defines the config for Timeout middleware.
+	TimeoutConfig struct {
+		// Skipper defines a function to skip middleware.
+		Skipper Skipper
+
+		// ErrorMessage is written to response on timeout in addition to http.StatusServiceUnavailable (503) status code
+		// It can be used to define a custom timeout error message
+		ErrorMessage string
+
+		// OnTimeoutRouteErrorHandler is an error handler that is executed for error that was returned from wrapped route after
+		// request timeouted and we already had sent the error code (503) and message response to the client.
+		// NB: do not write headers/body inside this handler. The response has already been sent to the client and response writer
+		// will not accept anything no more. If you want to know what actual route middleware timeouted use `c.Path()`
+		OnTimeoutRouteErrorHandler func(err error, c echo.Context)
+
+		// Timeout configures a timeout for the middleware, defaults to 0 for no timeout
+		// NOTE: when difference between timeout duration and handler execution time is almost the same (in range of 100microseconds)
+		// the result of timeout does not seem to be reliable - could respond timeout, could respond handler output
+		// difference over 500microseconds (0.5millisecond) response seems to be reliable
+		Timeout time.Duration
+	}
+)
+
+var (
+	// DefaultTimeoutConfig is the default Timeout middleware config.
+	DefaultTimeoutConfig = TimeoutConfig{
+		Skipper:      DefaultSkipper,
+		Timeout:      0,
+		ErrorMessage: "",
+	}
+)
+
+// Timeout returns a middleware which returns error (503 Service Unavailable error) to client immediately when handler
+// call runs for longer than its time limit. NB: timeout does not stop handler execution.
+func Timeout() echo.MiddlewareFunc {
+	return TimeoutWithConfig(DefaultTimeoutConfig)
+}
+
+// TimeoutWithConfig returns a Timeout middleware with config.
+// See: `Timeout()`.
+func TimeoutWithConfig(config TimeoutConfig) echo.MiddlewareFunc {
+	// Defaults
+	if config.Skipper == nil {
+		config.Skipper = DefaultTimeoutConfig.Skipper
+	}
+
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			if config.Skipper(c) || config.Timeout == 0 {
+				return next(c)
+			}
+
+			handlerWrapper := echoHandlerFuncWrapper{
+				ctx:        c,
+				handler:    next,
+				errChan:    make(chan error, 1),
+				errHandler: config.OnTimeoutRouteErrorHandler,
+			}
+			handler := http.TimeoutHandler(handlerWrapper, config.Timeout, config.ErrorMessage)
+			handler.ServeHTTP(c.Response().Writer, c.Request())
+
+			select {
+			case err := <-handlerWrapper.errChan:
+				return err
+			default:
+				return nil
+			}
+		}
+	}
+}
+
+type echoHandlerFuncWrapper struct {
+	ctx        echo.Context
+	handler    echo.HandlerFunc
+	errHandler func(err error, c echo.Context)
+	errChan    chan error
+}
+
+func (t echoHandlerFuncWrapper) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
+	// replace echo.Context Request with the one provided by TimeoutHandler to let later middlewares/handler on the chain
+	// handle properly it's cancellation
+	t.ctx.SetRequest(r)
+
+	// replace writer with TimeoutHandler custom one. This will guarantee that
+	// `writes by h to its ResponseWriter will return ErrHandlerTimeout.`
+	originalWriter := t.ctx.Response().Writer
+	t.ctx.Response().Writer = rw
+
+	// in case of panic we restore original writer and call panic again
+	// so it could be handled with global middleware Recover()
+	defer func() {
+		if err := recover(); err != nil {
+			t.ctx.Response().Writer = originalWriter
+			panic(err)
+		}
+	}()
+
+	err := t.handler(t.ctx)
+	if ctxErr := r.Context().Err(); ctxErr == context.DeadlineExceeded {
+		if err != nil && t.errHandler != nil {
+			t.errHandler(err, t.ctx)
+		}
+		return // on timeout we can not send handler error to client because `http.TimeoutHandler` has already sent headers
+	}
+	// we restore original writer only for cases we did not timeout. On timeout we have already sent response to client
+	// and should not anymore send additional headers/data
+	// so on timeout writer stays what http.TimeoutHandler uses and prevents writing headers/body
+	if err != nil {
+		// Error must be written into Writer created in `http.TimeoutHandler` so to get Response into `commited` state.
+		// So call global error handler to write error to the client. This is needed or `http.TimeoutHandler` will send
+		// status code by itself and after that our tries to write status code will not work anymore and/or create errors in
+		// log about `superfluous response.WriteHeader call from`
+		t.ctx.Error(err)
+		// we pass error from handler to middlewares up in handler chain to act on it if needed. But this means that
+		// global error handler is probably be called twice as `t.ctx.Error` already does that.
+
+		// NB: later call of the global error handler or middlewares will not take any effect, as echo.Response will be
+		// already marked as `committed` because we called global error handler above.
+		t.ctx.Response().Writer = originalWriter // make sure we restore before we signal original coroutine about the error
+		t.errChan <- err
+		return
+	}
+	t.ctx.Response().Writer = originalWriter
+}

vendor/github.com/labstack/echo/v4/response.go

@@ -56,11 +56,11 @@ func (r *Response) WriteHeader(code int) {
 		r.echo.Logger.Warn("response already committed")
 		return
 	}
+	r.Status = code
 	for _, fn := range r.beforeFuncs {
 		fn()
 	}
-	r.Status = code
+	r.Writer.WriteHeader(r.Status)
-	r.Writer.WriteHeader(code)
 	r.Committed = true
 }
 

vendor/github.com/labstack/echo/v4/router.go

@@ -2,7 +2,6 @@ package echo
 
 import (
 	"net/http"
-	"strings"
 )
 
 type (
@@ -14,14 +13,20 @@ type (
 		echo   *Echo
 	}
 	node struct {
-		kind          kind
+		kind           kind
-		label         byte
+		label          byte
-		prefix        string
+		prefix         string
-		parent        *node
+		parent         *node
-		children      children
+		staticChildren children
-		ppath         string
+		ppath          string
-		pnames        []string
+		pnames         []string
-		methodHandler *methodHandler
+		methodHandler  *methodHandler
+		paramChild     *node
+		anyChild       *node
+		// isLeaf indicates that node does not have child routes
+		isLeaf bool
+		// isHandler indicates that node has at least one handler registered to it
+		isHandler bool
 	}
 	kind          uint8
 	children      []*node
@@ -41,11 +46,28 @@ type (
 )
 
 const (
-	skind kind = iota
+	staticKind kind = iota
-	pkind
+	paramKind
-	akind
+	anyKind
+
+	paramLabel = byte(':')
+	anyLabel   = byte('*')
 )
 
+func (m *methodHandler) isHandler() bool {
+	return m.connect != nil ||
+		m.delete != nil ||
+		m.get != nil ||
+		m.head != nil ||
+		m.options != nil ||
+		m.patch != nil ||
+		m.post != nil ||
+		m.propfind != nil ||
+		m.put != nil ||
+		m.trace != nil ||
+		m.report != nil
+}
+
 // NewRouter returns a new Router instance.
 func NewRouter(e *Echo) *Router {
 	return &Router{
@@ -69,120 +91,160 @@ func (r *Router) Add(method, path string, h HandlerFunc) {
 	pnames := []string{} // Param names
 	ppath := path        // Pristine path
 
-	for i, l := 0, len(path); i < l; i++ {
+	if h == nil && r.echo.Logger != nil {
+		// FIXME: in future we should return error
+		r.echo.Logger.Errorf("Adding route without handler function: %v:%v", method, path)
+	}
+
+	for i, lcpIndex := 0, len(path); i < lcpIndex; i++ {
 		if path[i] == ':' {
+			if i > 0 && path[i-1] == '\\' {
+				continue
+			}
 			j := i + 1
 
-			r.insert(method, path[:i], nil, skind, "", nil)
+			r.insert(method, path[:i], nil, staticKind, "", nil)
-			for ; i < l && path[i] != '/'; i++ {
+			for ; i < lcpIndex && path[i] != '/'; i++ {
 			}
 
 			pnames = append(pnames, path[j:i])
 			path = path[:j] + path[i:]
-			i, l = j, len(path)
+			i, lcpIndex = j, len(path)
 
-			if i == l {
+			if i == lcpIndex {
-				r.insert(method, path[:i], h, pkind, ppath, pnames)
+				// path node is last fragment of route path. ie. `/users/:id`
+				r.insert(method, path[:i], h, paramKind, ppath, pnames)
 			} else {
-				r.insert(method, path[:i], nil, pkind, "", nil)
+				r.insert(method, path[:i], nil, paramKind, "", nil)
 			}
 		} else if path[i] == '*' {
-			r.insert(method, path[:i], nil, skind, "", nil)
+			r.insert(method, path[:i], nil, staticKind, "", nil)
 			pnames = append(pnames, "*")
-			r.insert(method, path[:i+1], h, akind, ppath, pnames)
+			r.insert(method, path[:i+1], h, anyKind, ppath, pnames)
 		}
 	}
 
-	r.insert(method, path, h, skind, ppath, pnames)
+	r.insert(method, path, h, staticKind, ppath, pnames)
 }
 
 func (r *Router) insert(method, path string, h HandlerFunc, t kind, ppath string, pnames []string) {
 	// Adjust max param
-	l := len(pnames)
+	paramLen := len(pnames)
-	if *r.echo.maxParam < l {
+	if *r.echo.maxParam < paramLen {
-		*r.echo.maxParam = l
+		*r.echo.maxParam = paramLen
 	}
 
-	cn := r.tree // Current node as root
+	currentNode := r.tree // Current node as root
-	if cn == nil {
+	if currentNode == nil {
 		panic("echo: invalid method")
 	}
 	search := path
 
 	for {
-		sl := len(search)
+		searchLen := len(search)
-		pl := len(cn.prefix)
+		prefixLen := len(currentNode.prefix)
-		l := 0
+		lcpLen := 0
 
-		// LCP
+		// LCP - Longest Common Prefix (https://en.wikipedia.org/wiki/LCP_array)
-		max := pl
+		max := prefixLen
-		if sl < max {
+		if searchLen < max {
-			max = sl
+			max = searchLen
 		}
-		for ; l < max && search[l] == cn.prefix[l]; l++ {
+		for ; lcpLen < max && search[lcpLen] == currentNode.prefix[lcpLen]; lcpLen++ {
 		}
 
-		if l == 0 {
+		if lcpLen == 0 {
 			// At root node
-			cn.label = search[0]
+			currentNode.label = search[0]
-			cn.prefix = search
+			currentNode.prefix = search
 			if h != nil {
-				cn.kind = t
+				currentNode.kind = t
-				cn.addHandler(method, h)
+				currentNode.addHandler(method, h)
-				cn.ppath = ppath
+				currentNode.ppath = ppath
-				cn.pnames = pnames
+				currentNode.pnames = pnames
 			}
-		} else if l < pl {
+			currentNode.isLeaf = currentNode.staticChildren == nil && currentNode.paramChild == nil && currentNode.anyChild == nil
+		} else if lcpLen < prefixLen {
 			// Split node
-			n := newNode(cn.kind, cn.prefix[l:], cn, cn.children, cn.methodHandler, cn.ppath, cn.pnames)
+			n := newNode(
-
+				currentNode.kind,
+				currentNode.prefix[lcpLen:],
+				currentNode,
+				currentNode.staticChildren,
+				currentNode.methodHandler,
+				currentNode.ppath,
+				currentNode.pnames,
+				currentNode.paramChild,
+				currentNode.anyChild,
+			)
 			// Update parent path for all children to new node
-			for _, child := range cn.children {
+			for _, child := range currentNode.staticChildren {
 				child.parent = n
 			}
+			if currentNode.paramChild != nil {
+				currentNode.paramChild.parent = n
+			}
+			if currentNode.anyChild != nil {
+				currentNode.anyChild.parent = n
+			}
 
 			// Reset parent node
-			cn.kind = skind
+			currentNode.kind = staticKind
-			cn.label = cn.prefix[0]
+			currentNode.label = currentNode.prefix[0]
-			cn.prefix = cn.prefix[:l]
+			currentNode.prefix = currentNode.prefix[:lcpLen]
-			cn.children = nil
+			currentNode.staticChildren = nil
-			cn.methodHandler = new(methodHandler)
+			currentNode.methodHandler = new(methodHandler)
-			cn.ppath = ""
+			currentNode.ppath = ""
-			cn.pnames = nil
+			currentNode.pnames = nil
+			currentNode.paramChild = nil
+			currentNode.anyChild = nil
+			currentNode.isLeaf = false
+			currentNode.isHandler = false
 
-			cn.addChild(n)
+			// Only Static children could reach here
+			currentNode.addStaticChild(n)
 
-			if l == sl {
+			if lcpLen == searchLen {
 				// At parent node
-				cn.kind = t
+				currentNode.kind = t
-				cn.addHandler(method, h)
+				currentNode.addHandler(method, h)
-				cn.ppath = ppath
+				currentNode.ppath = ppath
-				cn.pnames = pnames
+				currentNode.pnames = pnames
 			} else {
 				// Create child node
-				n = newNode(t, search[l:], cn, nil, new(methodHandler), ppath, pnames)
+				n = newNode(t, search[lcpLen:], currentNode, nil, new(methodHandler), ppath, pnames, nil, nil)
 				n.addHandler(method, h)
-				cn.addChild(n)
+				// Only Static children could reach here
+				currentNode.addStaticChild(n)
 			}
-		} else if l < sl {
+			currentNode.isLeaf = currentNode.staticChildren == nil && currentNode.paramChild == nil && currentNode.anyChild == nil
-			search = search[l:]
+		} else if lcpLen < searchLen {
-			c := cn.findChildWithLabel(search[0])
+			search = search[lcpLen:]
+			c := currentNode.findChildWithLabel(search[0])
 			if c != nil {
 				// Go deeper
-				cn = c
+				currentNode = c
 				continue
 			}
 			// Create child node
-			n := newNode(t, search, cn, nil, new(methodHandler), ppath, pnames)
+			n := newNode(t, search, currentNode, nil, new(methodHandler), ppath, pnames, nil, nil)
 			n.addHandler(method, h)
-			cn.addChild(n)
+			switch t {
+			case staticKind:
+				currentNode.addStaticChild(n)
+			case paramKind:
+				currentNode.paramChild = n
+			case anyKind:
+				currentNode.anyChild = n
+			}
+			currentNode.isLeaf = currentNode.staticChildren == nil && currentNode.paramChild == nil && currentNode.anyChild == nil
 		} else {
 			// Node already exists
 			if h != nil {
-				cn.addHandler(method, h)
+				currentNode.addHandler(method, h)
-				cn.ppath = ppath
+				currentNode.ppath = ppath
-				if len(cn.pnames) == 0 { // Issue #729
+				if len(currentNode.pnames) == 0 { // Issue #729
-					cn.pnames = pnames
+					currentNode.pnames = pnames
 				}
 			}
 		}
@@ -190,34 +252,29 @@ func (r *Router) insert(method, path string, h HandlerFunc, t kind, ppath string
 	}
 }
 
-func newNode(t kind, pre string, p *node, c children, mh *methodHandler, ppath string, pnames []string) *node {
+func newNode(t kind, pre string, p *node, sc children, mh *methodHandler, ppath string, pnames []string, paramChildren, anyChildren *node) *node {
 	return &node{
-		kind:          t,
+		kind:           t,
-		label:         pre[0],
+		label:          pre[0],
-		prefix:        pre,
+		prefix:         pre,
-		parent:        p,
+		parent:         p,
-		children:      c,
+		staticChildren: sc,
-		ppath:         ppath,
+		ppath:          ppath,
-		pnames:        pnames,
+		pnames:         pnames,
-		methodHandler: mh,
+		methodHandler:  mh,
+		paramChild:     paramChildren,
+		anyChild:       anyChildren,
+		isLeaf:         sc == nil && paramChildren == nil && anyChildren == nil,
+		isHandler:      mh.isHandler(),
 	}
 }
 
-func (n *node) addChild(c *node) {
+func (n *node) addStaticChild(c *node) {
-	n.children = append(n.children, c)
+	n.staticChildren = append(n.staticChildren, c)
 }
 
-func (n *node) findChild(l byte, t kind) *node {
+func (n *node) findStaticChild(l byte) *node {
-	for _, c := range n.children {
+	for _, c := range n.staticChildren {
-		if c.label == l && c.kind == t {
-			return c
-		}
-	}
-	return nil
-}
-
-func (n *node) findChildWithLabel(l byte) *node {
-	for _, c := range n.children {
 		if c.label == l {
 			return c
 		}
@@ -225,12 +282,18 @@ func (n *node) findChildWithLabel(l byte) *node {
 	return nil
 }
 
-func (n *node) findChildByKind(t kind) *node {
+func (n *node) findChildWithLabel(l byte) *node {
-	for _, c := range n.children {
+	for _, c := range n.staticChildren {
-		if c.kind == t {
+		if c.label == l {
 			return c
 		}
 	}
+	if l == paramLabel {
+		return n.paramChild
+	}
+	if l == anyLabel {
+		return n.anyChild
+	}
 	return nil
 }
 
@@ -259,6 +322,12 @@ func (n *node) addHandler(method string, h HandlerFunc) {
 	case REPORT:
 		n.methodHandler.report = h
 	}
+
+	if h != nil {
+		n.isHandler = true
+	} else {
+		n.isHandler = n.methodHandler.isHandler()
+	}
 }
 
 func (n *node) findHandler(method string) HandlerFunc {
@@ -310,180 +379,191 @@ func (n *node) checkMethodNotAllowed() HandlerFunc {
 func (r *Router) Find(method, path string, c Context) {
 	ctx := c.(*context)
 	ctx.path = path
-	cn := r.tree // Current node as root
+	currentNode := r.tree // Current node as root
 
 	var (
-		search  = path
+		previousBestMatchNode *node
-		child   *node         // Child node
+		matchedHandler        HandlerFunc
-		n       int           // Param counter
+		// search stores the remaining path to check for match. By each iteration we move from start of path to end of the path
-		nk      kind          // Next kind
+		// and search value gets shorter and shorter.
-		nn      *node         // Next node
+		search      = path
-		ns      string        // Next search
+		searchIndex = 0
-		pvalues = ctx.pvalues // Use the internal slice so the interface can keep the illusion of a dynamic slice
+		paramIndex  int           // Param counter
+		paramValues = ctx.pvalues // Use the internal slice so the interface can keep the illusion of a dynamic slice
 	)
 
-	// Search order static > param > any
+	// Backtracking is needed when a dead end (leaf node) is reached in the router tree.
+	// To backtrack the current node will be changed to the parent node and the next kind for the
+	// router logic will be returned based on fromKind or kind of the dead end node (static > param > any).
+	// For example if there is no static node match we should check parent next sibling by kind (param).
+	// Backtracking itself does not check if there is a next sibling, this is done by the router logic.
+	backtrackToNextNodeKind := func(fromKind kind) (nextNodeKind kind, valid bool) {
+		previous := currentNode
+		currentNode = previous.parent
+		valid = currentNode != nil
+
+		// Next node type by priority
+		if previous.kind == anyKind {
+			nextNodeKind = staticKind
+		} else {
+			nextNodeKind = previous.kind + 1
+		}
+
+		if fromKind == staticKind {
+			// when backtracking is done from static kind block we did not change search so nothing to restore
+			return
+		}
+
+		// restore search to value it was before we move to current node we are backtracking from.
+		if previous.kind == staticKind {
+			searchIndex -= len(previous.prefix)
+		} else {
+			paramIndex--
+			// for param/any node.prefix value is always `:` so we can not deduce searchIndex from that and must use pValue
+			// for that index as it would also contain part of path we cut off before moving into node we are backtracking from
+			searchIndex -= len(paramValues[paramIndex])
+			paramValues[paramIndex] = ""
+		}
+		search = path[searchIndex:]
+		return
+	}
+
+	// Router tree is implemented by longest common prefix array (LCP array) https://en.wikipedia.org/wiki/LCP_array
+	// Tree search is implemented as for loop where one loop iteration is divided into 3 separate blocks
+	// Each of these blocks checks specific kind of node (static/param/any). Order of blocks reflex their priority in routing.
+	// Search order/priority is: static > param > any.
+	//
+	// Note: backtracking in tree is implemented by replacing/switching currentNode to previous node
+	// and hoping to (goto statement) next block by priority to check if it is the match.
 	for {
-		if search == "" {
+		prefixLen := 0 // Prefix length
-			break
+		lcpLen := 0    // LCP (longest common prefix) length
-		}
 
-		pl := 0 // Prefix length
+		if currentNode.kind == staticKind {
-		l := 0  // LCP length
+			searchLen := len(search)
+			prefixLen = len(currentNode.prefix)
 
-		if cn.label != ':' {
+			// LCP - Longest Common Prefix (https://en.wikipedia.org/wiki/LCP_array)
-			sl := len(search)
+			max := prefixLen
-			pl = len(cn.prefix)
+			if searchLen < max {
-
+				max = searchLen
-			// LCP
-			max := pl
-			if sl < max {
-				max = sl
 			}
-			for ; l < max && search[l] == cn.prefix[l]; l++ {
+			for ; lcpLen < max && search[lcpLen] == currentNode.prefix[lcpLen]; lcpLen++ {
 			}
 		}
 
-		if l == pl {
+		if lcpLen != prefixLen {
-			// Continue search
+			// No matching prefix, let's backtrack to the first possible alternative node of the decision path
-			search = search[l:]
+			nk, ok := backtrackToNextNodeKind(staticKind)
-			// Finish routing if no remaining search and we are on an leaf node
+			if !ok {
-			if search == "" && (nn == nil || cn.parent == nil || cn.ppath != "") {
+				return // No other possibilities on the decision path
+			} else if nk == paramKind {
+				goto Param
+				// NOTE: this case (backtracking from static node to previous any node) can not happen by current any matching logic. Any node is end of search currently
+				//} else if nk == anyKind {
+				//	goto Any
+			} else {
+				// Not found (this should never be possible for static node we are looking currently)
 				break
 			}
 		}
 
-		// Attempt to go back up the tree on no matching prefix or no remaining search
+		// The full prefix has matched, remove the prefix from the remaining search
-		if l != pl || search == "" {
+		search = search[lcpLen:]
-			// Handle special case of trailing slash route with existing any route (see #1526)
+		searchIndex = searchIndex + lcpLen
-			if path[len(path)-1] == '/' && cn.findChildByKind(akind) != nil {
+
-				goto Any
+		// Finish routing if no remaining search and we are on a node with handler and matching method type
+		if search == "" && currentNode.isHandler {
+			// check if current node has handler registered for http method we are looking for. we store currentNode as
+			// best matching in case we do no find no more routes matching this path+method
+			if previousBestMatchNode == nil {
+				previousBestMatchNode = currentNode
 			}
-			if nn == nil { // Issue #1348
+			if h := currentNode.findHandler(method); h != nil {
-				return // Not found
+				matchedHandler = h
-			}
+				break
-			cn = nn
-			search = ns
-			if nk == pkind {
-				goto Param
-			} else if nk == akind {
-				goto Any
 			}
 		}
 
 		// Static node
-		if child = cn.findChild(search[0], skind); child != nil {
+		if search != "" {
-			// Save next
+			if child := currentNode.findStaticChild(search[0]); child != nil {
-			if cn.prefix[len(cn.prefix)-1] == '/' { // Issue #623
+				currentNode = child
-				nk = pkind
+				continue
-				nn = cn
-				ns = search
 			}
-			cn = child
-			continue
 		}
 
 	Param:
 		// Param node
-		if child = cn.findChildByKind(pkind); child != nil {
+		if child := currentNode.paramChild; search != "" && child != nil {
-			// Issue #378
+			currentNode = child
-			if len(pvalues) == n {
+			i := 0
-				continue
+			l := len(search)
+			if currentNode.isLeaf {
+				// when param node does not have any children then param node should act similarly to any node - consider all remaining search as match
+				i = l
+			} else {
+				for ; i < l && search[i] != '/'; i++ {
+				}
 			}
 
-			// Save next
+			paramValues[paramIndex] = search[:i]
-			if cn.prefix[len(cn.prefix)-1] == '/' { // Issue #623
+			paramIndex++
-				nk = akind
-				nn = cn
-				ns = search
-			}
-
-			cn = child
-			i, l := 0, len(search)
-			for ; i < l && search[i] != '/'; i++ {
-			}
-			pvalues[n] = search[:i]
-			n++
 			search = search[i:]
+			searchIndex = searchIndex + i
 			continue
 		}
 
 	Any:
 		// Any node
-		if cn = cn.findChildByKind(akind); cn != nil {
+		if child := currentNode.anyChild; child != nil {
-			// If any node is found, use remaining path for pvalues
+			// If any node is found, use remaining path for paramValues
-			pvalues[len(cn.pnames)-1] = search
+			currentNode = child
-			break
+			paramValues[len(currentNode.pnames)-1] = search
-		}
+			// update indexes/search in case we need to backtrack when no handler match is found
+			paramIndex++
+			searchIndex += +len(search)
+			search = ""
 
-		// No node found, continue at stored next node
+			// check if current node has handler registered for http method we are looking for. we store currentNode as
-		// or find nearest "any" route
+			// best matching in case we do no find no more routes matching this path+method
-		if nn != nil {
+			if previousBestMatchNode == nil {
-			// No next node to go down in routing (issue #954)
+				previousBestMatchNode = currentNode
-			// Find nearest "any" route going up the routing tree
-			search = ns
-			np := nn.parent
-			// Consider param route one level up only
-			if cn = nn.findChildByKind(pkind); cn != nil {
-				pos := strings.IndexByte(ns, '/')
-				if pos == -1 {
-					// If no slash is remaining in search string set param value
-					pvalues[len(cn.pnames)-1] = search
-					break
-				} else if pos > 0 {
-					// Otherwise continue route processing with restored next node
-					cn = nn
-					nn = nil
-					ns = ""
-					goto Param
-				}
 			}
-			// No param route found, try to resolve nearest any route
+			if h := currentNode.findHandler(method); h != nil {
-			for {
+				matchedHandler = h
-				np = nn.parent
-				if cn = nn.findChildByKind(akind); cn != nil {
-					break
-				}
-				if np == nil {
-					break // no further parent nodes in tree, abort
-				}
-				var str strings.Builder
-				str.WriteString(nn.prefix)
-				str.WriteString(search)
-				search = str.String()
-				nn = np
-			}
-			if cn != nil { // use the found "any" route and update path
-				pvalues[len(cn.pnames)-1] = search
 				break
 			}
 		}
-		return // Not found
 
-	}
+		// Let's backtrack to the first possible alternative node of the decision path
-
+		nk, ok := backtrackToNextNodeKind(anyKind)
-	ctx.handler = cn.findHandler(method)
+		if !ok {
-	ctx.path = cn.ppath
+			break // No other possibilities on the decision path
-	ctx.pnames = cn.pnames
+		} else if nk == paramKind {
-
+			goto Param
-	// NOTE: Slow zone...
+		} else if nk == anyKind {
-	if ctx.handler == nil {
+			goto Any
-		ctx.handler = cn.checkMethodNotAllowed()
-
-		// Dig further for any, might have an empty value for *, e.g.
-		// serving a directory. Issue #207.
-		if cn = cn.findChildByKind(akind); cn == nil {
-			return
-		}
-		if h := cn.findHandler(method); h != nil {
-			ctx.handler = h
 		} else {
-			ctx.handler = cn.checkMethodNotAllowed()
+			// Not found
+			break
 		}
-		ctx.path = cn.ppath
-		ctx.pnames = cn.pnames
-		pvalues[len(cn.pnames)-1] = ""
 	}
 
+	if currentNode == nil && previousBestMatchNode == nil {
+		return // nothing matched at all
+	}
+
+	if matchedHandler != nil {
+		ctx.handler = matchedHandler
+	} else {
+		// use previous match as basis. although we have no matching handler we have path match.
+		// so we can send http.StatusMethodNotAllowed (405) instead of http.StatusNotFound (404)
+		currentNode = previousBestMatchNode
+		ctx.handler = currentNode.checkMethodNotAllowed()
+	}
+	ctx.path = currentNode.ppath
+	ctx.pnames = currentNode.pnames
+
 	return
 }

vendor/github.com/likexian/gokit/LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2012-2020 Li Kexian
+   Copyright 2012-2021 Li Kexian
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -200,6 +200,6 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 
-   APPENDIX: Copyright 2012-2020 Li Kexian
+   APPENDIX: Copyright 2012-2021 Li Kexian
 
        https://www.likexian.com/

vendor/github.com/likexian/gokit/assert/README.md

@@ -85,7 +85,7 @@ b := assert.If(a == 1, true, false)
 
 ## License
 
-Copyright 2012-2020 [Li Kexian](https://www.likexian.com/)
+Copyright 2012-2021 [Li Kexian](https://www.likexian.com/)
 
 Licensed under the Apache License 2.0
 

vendor/github.com/likexian/gokit/assert/assert.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 Li Kexian
+ * Copyright 2012-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,7 @@ import (
 
 // Version returns package version
 func Version() string {
-	return "0.10.1"
+	return "0.12.0"
 }
 
 // Author returns package author

vendor/github.com/likexian/gokit/assert/values.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 Li Kexian
+ * Copyright 2012-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,17 +28,17 @@ import (
 	"strings"
 )
 
-// ErrInvalid is value invalid for operation
+var (
-var ErrInvalid = errors.New("value if invalid")
+	// ErrInvalid is value invalid for operation
+	ErrInvalid = errors.New("assert: value if invalid")
+	// ErrLess is expect to be greater error
+	ErrLess = errors.New("assert: left is less the right")
+	// ErrGreater is expect to be less error
+	ErrGreater = errors.New("assert: left is greater then right")
+)
 
-// ErrLess is expect to be greater error
+// Comparer is compare operator
-var ErrLess = errors.New("left is less the right")
+var Comparer = struct {
-
-// ErrGreater is expect to be less error
-var ErrGreater = errors.New("left is greater then right")
-
-// CMP is compare operation
-var CMP = struct {
 	LT string
 	LE string
 	GT string
@@ -153,22 +153,22 @@ func Length(v interface{}) int {
 
 // IsLt returns if x less than y, value invalid will returns false
 func IsLt(x, y interface{}) bool {
-	return Compare(x, y, CMP.LT) == nil
+	return Compare(x, y, Comparer.LT) == nil
 }
 
 // IsLe returns if x less than or equal to y, value invalid will returns false
 func IsLe(x, y interface{}) bool {
-	return Compare(x, y, CMP.LE) == nil
+	return Compare(x, y, Comparer.LE) == nil
 }
 
 // IsGt returns if x greater than y, value invalid will returns false
 func IsGt(x, y interface{}) bool {
-	return Compare(x, y, CMP.GT) == nil
+	return Compare(x, y, Comparer.GT) == nil
 }
 
 // IsGe returns if x greater than or equal to y, value invalid will returns false
 func IsGe(x, y interface{}) bool {
-	return Compare(x, y, CMP.GE) == nil
+	return Compare(x, y, Comparer.GE) == nil
 }
 
 // Compare compare x and y, by operation
@@ -176,8 +176,8 @@ func IsGe(x, y interface{}) bool {
 //   Compare(1, 2, ">") // number compare -> true
 //   Compare("a", "a", ">=") // string compare -> true
 //   Compare([]string{"a", "b"}, []string{"a"}, "<") // slice len compare -> false
-func Compare(x, y interface{}, op string) error {
+func Compare(x, y interface{}, op string) error { //nolint:cyclop
-	if !IsContains([]string{CMP.LT, CMP.LE, CMP.GT, CMP.GE}, op) {
+	if !IsContains([]string{Comparer.LT, Comparer.LE, Comparer.GT, Comparer.GE}, op) {
 		return ErrInvalid
 	}
 
@@ -226,7 +226,7 @@ func Compare(x, y interface{}, op string) error {
 		if err != nil {
 			return ErrInvalid
 		}
-		c = float64(vv.Float() - yy)
+		c = vv.Float() - yy
 	default:
 		return ErrInvalid
 	}
@@ -234,23 +234,23 @@ func Compare(x, y interface{}, op string) error {
 	switch {
 	case c < 0:
 		switch op {
-		case CMP.LT, CMP.LE:
+		case Comparer.LT, Comparer.LE:
 			return nil
 		default:
 			return ErrLess
 		}
 	case c > 0:
 		switch op {
-		case CMP.GT, CMP.GE:
+		case Comparer.GT, Comparer.GE:
 			return nil
 		default:
 			return ErrGreater
 		}
 	default:
 		switch op {
-		case CMP.LT:
+		case Comparer.LT:
 			return ErrGreater
-		case CMP.GT:
+		case Comparer.GT:
 			return ErrLess
 		default:
 			return nil
@@ -263,7 +263,7 @@ func ToInt64(v interface{}) (int64, error) {
 	vv := reflect.ValueOf(v)
 	switch vv.Kind() {
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return int64(vv.Int()), nil
+		return vv.Int(), nil
 	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
 		return int64(vv.Uint()), nil
 	case reflect.Float32, reflect.Float64:
@@ -286,7 +286,7 @@ func ToUint64(v interface{}) (uint64, error) {
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 		return uint64(vv.Int()), nil
 	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return uint64(vv.Uint()), nil
+		return vv.Uint(), nil
 	case reflect.Float32, reflect.Float64:
 		return uint64(vv.Float()), nil
 	case reflect.String:
@@ -309,7 +309,7 @@ func ToFloat64(v interface{}) (float64, error) {
 	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
 		return float64(vv.Uint()), nil
 	case reflect.Float32, reflect.Float64:
-		return float64(vv.Float()), nil
+		return vv.Float(), nil
 	case reflect.String:
 		r, err := strconv.ParseFloat(vv.String(), 64)
 		if err != nil {

vendor/github.com/likexian/gokit/xslice/README.md

@@ -34,7 +34,7 @@ fmt.Println("new array:", array)
 
 ## License
 
-Copyright 2012-2020 [Li Kexian](https://www.likexian.com/)
+Copyright 2012-2021 [Li Kexian](https://www.likexian.com/)
 
 Licensed under the Apache License 2.0
 

vendor/github.com/likexian/gokit/xslice/xslice.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 Li Kexian
+ * Copyright 2012-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

vendor/github.com/likexian/whois-go/.travis.yml

@@ -1,7 +0,0 @@
-language: go
-
-script:
-  - go test -race -v -bench=. -coverprofile=coverage.txt -covermode=atomic ./...
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)

vendor/github.com/likexian/whois-go/whois.go

@@ -1,156 +0,0 @@
-/*
- * Copyright 2014-2020 Li Kexian
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * Go module for domain and ip whois information query
- * https://www.likexian.com/
- */
-
-package whois
-
-import (
-	"fmt"
-	"io/ioutil"
-	"net"
-	"strings"
-	"time"
-)
-
-const (
-	// IANA_WHOIS_SERVER is iana whois server
-	IANA_WHOIS_SERVER = "whois.iana.org"
-	// DEFAULT_WHOIS_PORT is default whois port
-	DEFAULT_WHOIS_PORT = "43"
-)
-
-// Version returns package version
-func Version() string {
-	return "1.7.2"
-}
-
-// Author returns package author
-func Author() string {
-	return "[Li Kexian](https://www.likexian.com/)"
-}
-
-// License returns package license
-func License() string {
-	return "Licensed under the Apache License 2.0"
-}
-
-// Whois do the whois query and returns whois info
-func Whois(domain string, servers ...string) (result string, err error) {
-	domain = strings.Trim(strings.TrimSpace(domain), ".")
-	if domain == "" {
-		return "", fmt.Errorf("whois: domain is empty")
-	}
-
-	if !strings.Contains(domain, ".") && !strings.Contains(domain, ":") {
-		return query(domain, IANA_WHOIS_SERVER)
-	}
-
-	var server string
-	if len(servers) == 0 || servers[0] == "" {
-		ext := getExtension(domain)
-		result, err := query(ext, IANA_WHOIS_SERVER)
-		if err != nil {
-			return "", fmt.Errorf("whois: query for whois server failed: %v", err)
-		}
-		server = getServer(result)
-		if server == "" {
-			return "", fmt.Errorf("whois: no whois server found for domain: %s", domain)
-		}
-	} else {
-		server = strings.ToLower(servers[0])
-	}
-
-	result, err = query(domain, server)
-	if err != nil {
-		return
-	}
-
-	refServer := getServer(result)
-	if refServer == "" || refServer == server {
-		return
-	}
-
-	data, err := query(domain, refServer)
-	if err == nil {
-		result += data
-	}
-
-	return
-}
-
-// query send query to server
-func query(domain, server string) (string, error) {
-	if server == "whois.arin.net" {
-		domain = "n + " + domain
-	}
-
-	conn, err := net.DialTimeout("tcp", net.JoinHostPort(server, DEFAULT_WHOIS_PORT), time.Second*30)
-	if err != nil {
-		return "", fmt.Errorf("whois: connect to whois server failed: %v", err)
-	}
-
-	defer conn.Close()
-	_ = conn.SetWriteDeadline(time.Now().Add(time.Second * 30))
-	_, err = conn.Write([]byte(domain + "\r\n"))
-	if err != nil {
-		return "", fmt.Errorf("whois: send to whois server failed: %v", err)
-	}
-
-	_ = conn.SetReadDeadline(time.Now().Add(time.Second * 30))
-	buffer, err := ioutil.ReadAll(conn)
-	if err != nil {
-		return "", fmt.Errorf("whois: read from whois server failed: %v", err)
-	}
-
-	return string(buffer), nil
-}
-
-// getExtension returns extension of domain
-func getExtension(domain string) string {
-	ext := domain
-
-	if net.ParseIP(domain) == nil {
-		domains := strings.Split(domain, ".")
-		ext = domains[len(domains)-1]
-	}
-
-	if strings.Contains(ext, "/") {
-		ext = strings.Split(ext, "/")[0]
-	}
-
-	return ext
-}
-
-// getServer returns server from whois data
-func getServer(data string) string {
-	tokens := []string{
-		"Registrar WHOIS Server: ",
-		"whois: ",
-	}
-
-	for _, token := range tokens {
-		start := strings.Index(data, token)
-		if start != -1 {
-			start += len(token)
-			end := strings.Index(data[start:], "\n")
-			return strings.TrimSpace(data[start : start+end])
-		}
-	}
-
-	return ""
-}

vendor/github.com/likexian/whois-parser-go/.travis.yml

@@ -1,7 +0,0 @@
-language: go
-
-script:
-  - go test -race -v -bench=. -coverprofile=coverage.txt -covermode=atomic ./...
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)

vendor/github.com/likexian/whois-parser/.golangci.yml

@@ -0,0 +1,56 @@
+# .golangci.yml
+# Maintainer: https://www.likexian.com
+# Licensed under the Apache License 2.0
+
+run:
+  timeout: 5m
+  skip-dirs-use-default: true
+
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+    - cyclop
+    - durationcheck
+    - errname
+    - errorlint
+    - exportloopref
+    - gofmt
+    - goimports
+    - lll
+    - misspell
+    - nilerr
+    - nolintlint
+    - prealloc
+    - revive
+    - rowserrcheck
+    - sqlclosecheck
+    - stylecheck
+    - unconvert
+    - wastedassign
+
+linters-settings:
+  cyclop:
+    max-complexity: 20
+    package-average: 10.0
+    skip-tests: true
+
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - errcheck
+    - source: "^//go:generate "
+      linters:
+        - lll

vendor/github.com/likexian/whois-parser/LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2014-2020 Li Kexian
+   Copyright 2014-2021 Li Kexian
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -200,6 +200,6 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 
-   APPENDIX: Copyright 2014-2020 Li Kexian
+   APPENDIX: Copyright 2014-2021 Li Kexian
 
        https://www.likexian.com/

vendor/github.com/likexian/whois-parser/README.md

@@ -1,44 +1,44 @@
 # WhoisParser
 
 [![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](LICENSE)
-[![GoDoc](https://godoc.org/github.com/likexian/whois-parser-go?status.svg)](https://godoc.org/github.com/likexian/whois-parser-go)
+[![GoDoc](https://pkg.go.dev/badge/github.com/likexian/whois-parser.svg)](https://pkg.go.dev/github.com/likexian/whois-parser)
-[![Build Status](https://travis-ci.org/likexian/whois-parser-go.svg?branch=master)](https://travis-ci.org/likexian/whois-parser-go)
+[![Go Report Card](https://goreportcard.com/badge/github.com/likexian/whois-parser)](https://goreportcard.com/report/github.com/likexian/whois-parser)
-[![Go Report Card](https://goreportcard.com/badge/github.com/likexian/whois-parser-go)](https://goreportcard.com/report/github.com/likexian/whois-parser-go)
+[![Build Status](https://github.com/likexian/whois-parser/actions/workflows/gotest.yaml/badge.svg)](https://github.com/likexian/whois-parser/actions/workflows/gotest.yaml)
-[![Code Cover](https://codecov.io/gh/likexian/whois-parser-go/graph/badge.svg)](https://codecov.io/gh/likexian/whois-parser-go)
+[![Code Cover](https://release.likexian.com/whois-parser/coverage.svg)](https://github.com/likexian/whois-parser/actions/workflows/gotest.yaml)
 
-WhoisParser is s simple Go module for domain whois information parsing.
+WhoisParser is a simple Go module for domain whois information parsing.
 
 ## Overview
 
-This module parses the provided whois information and returns a readable data struct.
+This module parses the provided domain whois information and returns a readable data struct.
 
 ## Verified Extensions
 
-It is supposed to be working with all domain extensions, but [verified extensions](examples/README.md) must works, because I have checked them one by one manually.
+It is supposed to be working with all domain extensions, but [verified extensions](testdata/noterror/README.md) must works, because I have checked them one by one manually.
 
-If there is any problems, please feel free to open a new issue.
+If there is any problem, please feel free to open a new issue.
 
 ## Binary distributions
 
-For binary distributions of whois information query and parsing, please download [whois release tool](https://github.com/likexian/whois-go/tree/master/cmd/whois).
+For binary distributions of whois information query and parsing, please download [whois release tool](https://github.com/likexian/whois/tree/master/cmd/whois).
 
 ## Installation
 
 ```shell
-go get github.com/likexian/whois-parser-go
+go get github.com/likexian/whois-parser
 ```
 
 ## Importing
 
 ```go
 import (
-    "github.com/likexian/whois-parser-go"
+    "github.com/likexian/whois-parser"
 )
 ```
 
 ## Documentation
 
-Visit the docs on [GoDoc](https://godoc.org/github.com/likexian/whois-parser-go)
+Visit the docs on [GoDoc](https://pkg.go.dev/github.com/likexian/whois-parser)
 
 ## Example
 
@@ -67,11 +67,11 @@ if err == nil {
 
 ## Whois information query
 
-Please refer to [whois-go](https://github.com/likexian/whois-go)
+Please refer to [whois](https://github.com/likexian/whois)
 
 ## License
 
-Copyright 2014-2020 [Li Kexian](https://www.likexian.com/)
+Copyright 2014-2021 [Li Kexian](https://www.likexian.com/)
 
 Licensed under the Apache License 2.0
 

vendor/github.com/likexian/whois-parser/error.go

@@ -0,0 +1,156 @@
+/*
+ * Copyright 2014-2021 Li Kexian
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Go module for domain whois information parsing
+ * https://www.likexian.com/
+ */
+
+package whoisparser
+
+import (
+	"errors"
+	"regexp"
+	"strings"
+)
+
+var (
+	// ErrNotFoundDomain domain is not found
+	ErrNotFoundDomain = errors.New("whoisparser: domain is not found")
+	// ErrReservedDomain domain is reserved
+	ErrReservedDomain = errors.New("whoisparser: domain is reserved to register")
+	// ErrPremiumDomain domain is available to register at premium price
+	ErrPremiumDomain = errors.New("whoisparser: domain is available at premium price")
+	// ErrBlockedDomain domain is blocked due to brand protection
+	ErrBlockedDomain = errors.New("whoisparser: domain is blocked due to brand protection")
+	// ErrDomainDataInvalid domain whois data is invalid
+	ErrDomainDataInvalid = errors.New("whoisparser: domain whois data is invalid")
+	// ErrDomainLimitExceed domain whois query is limited
+	ErrDomainLimitExceed = errors.New("whoisparser: domain whois query limit exceeded")
+)
+
+// getDomainErrorType returns error type of domain data
+func getDomainErrorType(data string) error {
+	switch {
+	case isNotFoundDomain(data):
+		return ErrNotFoundDomain
+	case isBlockedDomain(data):
+		return ErrBlockedDomain
+	case isPremiumDomain(data):
+		return ErrPremiumDomain
+	case isReservedDomain(data):
+		return ErrReservedDomain
+	case isLimitExceeded(data):
+		return ErrDomainLimitExceed
+	default:
+		return ErrDomainDataInvalid
+	}
+}
+
+// isNotFoundDomain returns if domain is not found
+func isNotFoundDomain(data string) bool {
+	notFoundKeys := []string{
+		"is free",
+		"no found",
+		"no match",
+		"not found",
+		"not match",
+		"no data found",
+		"nothing found",
+		"no entries found",
+		"no matching record",
+		"not registered",
+		"not been registered",
+		"object does not exist",
+		"query returned 0 objects",
+	}
+
+	return containsIn(strings.ToLower(data), notFoundKeys)
+}
+
+// isExtNotFoundDomain returns if domain is not found by extension
+func isExtNotFoundDomain(data, extension string) bool {
+	reBlank := regexp.MustCompile(`\s+`)
+	data = reBlank.ReplaceAllString(data, " ")
+
+	switch extension {
+	case "ai", "cx", "gs":
+		if strings.Contains(data, "Domain Status: No Object Found") {
+			return true
+		}
+	case "de":
+		if strings.Contains(data, "Status: free") {
+			return true
+		}
+	case "eu", "it":
+		if strings.Contains(data, "Status: AVAILABLE") {
+			return true
+		}
+	case "nz":
+		if strings.Contains(data, "query_status: 220 Available") {
+			return true
+		}
+	case "sexy":
+		if strings.Contains(data, "is available") {
+			return true
+		}
+	}
+
+	return false
+}
+
+// isReservedDomain returns if domain is reserved
+func isReservedDomain(data string) bool {
+	reservedKeys := []string{
+		"reserved domain name",
+		"reserved by the registry",
+		"can not be registered online",
+	}
+
+	return containsIn(strings.ToLower(data), reservedKeys)
+}
+
+// isPremiumDomain returns if domain is available to register at premium price
+func isPremiumDomain(data string) bool {
+	premiumKeys := []string{
+		"premium domain is available for purchase",
+		"platinum domain is available for purchase",
+	}
+
+	return containsIn(strings.ToLower(data), premiumKeys)
+}
+
+// isBlockedDomain returns if domain is blocked due to brand protection
+func isBlockedDomain(data string) bool {
+	blockedKeys := []string{
+		// Donuts DPML
+		"dpml brand protection",
+		// Uniregistry Uni EPS
+		"subscribes to the uni eps",
+		// Gandi AdultBlock
+		"subscribes to the adultblock",
+	}
+
+	return containsIn(strings.ToLower(data), blockedKeys)
+}
+
+// isLimitExceeded returns if domain whois query is limited
+func isLimitExceeded(data string) bool {
+	limitExceedKeys := []string{
+		"limit exceeded",
+		"server too busy",
+	}
+
+	return containsIn(strings.ToLower(data), limitExceedKeys)
+}

vendor/github.com/likexian/whois-parser/parser.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 Li Kexian
+ * Copyright 2014-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,7 +20,6 @@
 package whoisparser
 
 import (
-	"errors"
 	"regexp"
 	"strings"
 
@@ -29,18 +28,9 @@ import (
 	"golang.org/x/net/idna"
 )
 
-// Domain info error and replacer variables
-var (
-	ErrDomainNotFound    = errors.New("Domain is not found.")
-	ErrDomainInvalidData = errors.New("Domain whois data invalid.")
-	ErrDomainLimitExceed = errors.New("Domain query limit exceeded.")
-	ErrPremiumDomain     = errors.New("The domain is not registered, but available at a premium price.")
-	ErrBlockedDomain     = errors.New("The domain name is blocked due to a DPML brand name block.")
-)
-
 // Version returns package version
 func Version() string {
-	return "1.15.1"
+	return "1.22.0"
 }
 
 // Author returns package author
@@ -54,19 +44,15 @@ func License() string {
 }
 
 // Parse returns parsed whois info
-func Parse(text string) (whoisInfo WhoisInfo, err error) {
+func Parse(text string) (whoisInfo WhoisInfo, err error) { //nolint:cyclop
 	name, extension := searchDomain(text)
 	if name == "" {
-		err = ErrDomainInvalidData
+		err = getDomainErrorType(text)
-		if IsNotFound(text) {
+		return
-			err = ErrDomainNotFound
+	}
-		} else if IsPremiumDomain(text) {
+
-			err = ErrPremiumDomain
+	if extension != "" && isExtNotFoundDomain(text, extension) {
-		} else if IsBlockedDomain(text) {
+		err = ErrNotFoundDomain
-			err = ErrBlockedDomain
-		} else if IsLimitExceeded(text) {
-			err = ErrDomainLimitExceed
-		}
 		return
 	}
 
@@ -94,7 +80,7 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 		}
 
 		if line[len(line)-1:] == ":" {
-			i += 1
+			i++
 			for ; i < len(whoisLines); i++ {
 				thisLine := strings.TrimSpace(whoisLines[i])
 				if strings.Contains(thisLine, ":") {
@@ -103,7 +89,7 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 				line += thisLine + ","
 			}
 			line = strings.Trim(line, ",")
-			i -= 1
+			i--
 		}
 
 		lines := strings.SplitN(line, ":", 2)
@@ -115,7 +101,7 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 			continue
 		}
 
-		keyName := FindKeyName(name)
+		keyName := searchKeyName(name)
 		switch keyName {
 		case "domain_id":
 			domain.ID = value
@@ -127,8 +113,8 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 		case "domain_status":
 			domain.Status = append(domain.Status, strings.Split(value, ",")...)
 		case "domain_dnssec":
-			if !domain.DnsSec {
+			if !domain.DNSSec {
-				domain.DnsSec = IsDnsSecEnabled(value)
+				domain.DNSSec = isDNSSecEnabled(value)
 			}
 		case "whois_server":
 			if domain.WhoisServer == "" {
@@ -151,9 +137,13 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 		case "referral_url":
 			registrar.ReferralURL = value
 		default:
-			name = ClearName(name)
+			name = clearKeyName(name)
 			if !strings.Contains(name, " ") {
-				name += " name"
+				if name == "registrar" {
+					name += " name"
+				} else {
+					name += " organization"
+				}
 			}
 			ns := strings.SplitN(name, " ", 2)
 			name = strings.TrimSpace("registrant " + ns[1])
@@ -171,8 +161,8 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 		}
 	}
 
-	domain.NameServers = FixNameServers(domain.NameServers)
+	domain.NameServers = fixNameServers(domain.NameServers)
-	domain.Status = FixDomainStatus(domain.Status)
+	domain.Status = fixDomainStatus(domain.Status)
 
 	domain.NameServers = xslice.Unique(domain.NameServers).([]string)
 	domain.Status = xslice.Unique(domain.Status).([]string)
@@ -203,13 +193,17 @@ func Parse(text string) (whoisInfo WhoisInfo, err error) {
 
 // parseContact do parse contact info
 func parseContact(contact *Contact, name, value string) {
-	switch FindKeyName(name) {
+	switch searchKeyName(name) {
 	case "registrant_id":
 		contact.ID = value
 	case "registrant_name":
-		contact.Name = value
+		if contact.Name == "" {
+			contact.Name = value
+		}
 	case "registrant_organization":
-		contact.Organization = value
+		if contact.Organization == "" {
+			contact.Organization = value
+		}
 	case "registrant_street":
 		if contact.Street == "" {
 			contact.Street = value
@@ -237,19 +231,28 @@ func parseContact(contact *Contact, name, value string) {
 	}
 }
 
-// searchDomain find domain from whois info
+// searchDomain finds domain name and extension from whois information
-func searchDomain(text string) (string, string) {
+func searchDomain(text string) (name, extension string) {
-	r := regexp.MustCompile(`(?i)\[?domain(\s*\_?name)?\]?[\s\.]*\:?\s*([^\s]+)\.([^\.\s]{2,})`)
+	r := regexp.MustCompile(`(?i)\[?domain\:?(\s*\_?name)?\]?[\s\.]*\:?\s*([^\s\,\;\(\)]+)\.([^\s\,\;\(\)\.]{2,})`)
 	m := r.FindStringSubmatch(text)
 	if len(m) > 0 {
-		return strings.ToLower(strings.TrimSpace(m[2])), strings.ToLower(strings.TrimSpace(m[3]))
+		name = strings.TrimSpace(m[2])
+		extension = strings.TrimSpace(m[3])
 	}
 
-	r = regexp.MustCompile(`(?i)\[?domain(\s*\_?name)?\]?\s*\:?\s*([^\.\s]{2,})\n`)
+	if name == "" {
-	m = r.FindStringSubmatch(text)
+		r := regexp.MustCompile(`(?i)\[?domain\:?(\s*\_?name)?\]?[\s\.]*\:?\s*([^\s\,\;\(\)\.]{2,})\n`)
-	if len(m) > 0 {
+		m := r.FindStringSubmatch(text)
-		return strings.ToLower(strings.TrimSpace(m[2])), ""
+		if len(m) > 0 {
+			name = strings.TrimSpace(m[2])
+			extension = ""
+		}
 	}
 
-	return "", ""
+	if name != "" {
+		name = strings.ToLower(name)
+		extension = strings.ToLower(extension)
+	}
+
+	return
 }

vendor/github.com/likexian/whois-parser/prepare.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 Li Kexian
+ * Copyright 2014-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ import (
 )
 
 // Prepare do prepare the whois info for parsing
-func Prepare(text, ext string) (string, bool) {
+func Prepare(text, ext string) (string, bool) { //nolint:cyclop
 	text = strings.Replace(text, "\r", "", -1)
 	text = strings.Replace(text, "\t", " ", -1)
 	text = strings.TrimSpace(text)
@@ -53,7 +53,7 @@ func Prepare(text, ext string) (string, bool) {
 		return prepareIT(text), true
 	case "fr", "re", "tf", "yt", "pm", "wf":
 		return prepareFR(text), true
-	case "ru", "su":
+	case "ru", "su", "xn--p1ai":
 		return prepareRU(text), true
 	case "fi":
 		return prepareFI(text), true
@@ -77,6 +77,12 @@ func Prepare(text, ext string) (string, bool) {
 		return prepareIR(text), true
 	case "rs":
 		return prepareRS(text), true
+	case "kz":
+		return prepareKZ(text), true
+	case "ee":
+		return prepareEE(text), true
+	case "cn", "xn--fiqs8s", "xn--fiqz9s":
+		return prepareCN(text), true
 	default:
 		return text, false
 	}
@@ -120,17 +126,13 @@ func prepareEDU(text string) string {
 		"Registrant:": {
 			"Organization",
 			"Address",
-			"Address",
+			"Phone",
-			"Address",
+			"Email",
-			"Address",
 		},
 		"Administrative Contact:": {
 			"Name",
 			"Organization",
 			"Address",
-			"Address",
-			"Address",
-			"Address",
 			"Phone",
 			"Email",
 		},
@@ -138,9 +140,6 @@ func prepareEDU(text string) string {
 			"Name",
 			"Organization",
 			"Address",
-			"Address",
-			"Address",
-			"Address",
 			"Phone",
 			"Email",
 		},
@@ -168,15 +167,14 @@ func prepareEDU(text string) string {
 				// address ending now jump to phone
 				if tokens[token][index] == "Address" && strings.HasPrefix(v, "+") {
 					found := xslice.Index(tokens[token], "Phone")
-					if found == -1 {
+					if found != -1 {
-						token = ""
+						index = found
-						index = 0
-						continue
 					}
-					index = found
 				}
 				result += fmt.Sprintf("\n%s %s: %s", token[:len(token)-1], tokens[token][index], v)
-				index += 1
+				if tokens[token][index] != "Address" {
+					index++
+				}
 			}
 		}
 	}
@@ -216,6 +214,74 @@ func prepareINT(text string) string {
 	return result
 }
 
+// prepareKZ do prepare the .kz domain
+func prepareKZ(text string) string {
+
+	groupTokens := map[string]string{
+		"Organization Using Domain Name": "Registrant ",
+		"Administrative Contact/Agent":   "Administrative ",
+	}
+
+	topTokens := map[string]string{
+		"Domain status": "Domain status : ",
+	}
+
+	tokens := map[string]string{
+		"Primary server":   "name server",
+		"Secondary server": "name server",
+		"Current Registar": "Registrar Name",
+	}
+
+	groupToken := ""
+	topToken := ""
+	result := ""
+
+	for _, v := range strings.Split(text, "\n") {
+		v = strings.TrimSpace(v)
+
+		if v == "" {
+			groupToken = ""
+			continue
+		}
+
+		if token, ok := groupTokens[v]; ok {
+			groupToken = token
+			continue
+		}
+
+		if !strings.Contains(v, ":") {
+			if topToken != "" {
+				v = fmt.Sprintf("%s%s", topToken, v)
+			} else {
+				continue
+			}
+		}
+
+		vs := strings.SplitN(v, ":", 2)
+
+		key := strings.TrimSpace(strings.Replace(vs[0], ".", "", -1))
+		key = fmt.Sprintf("%s%s", groupToken, key)
+
+		if token, ok := tokens[key]; ok {
+			key = token
+		}
+
+		value := vs[1]
+
+		if token, ok := topTokens[key]; ok {
+			topToken = token
+		} else {
+			topToken = ""
+		}
+
+		v = fmt.Sprintf("%s: %s", key, value)
+
+		result += "\n" + v
+	}
+
+	return result
+}
+
 // prepareMO do prepare the .mo domain
 func prepareMO(text string) string {
 	tokens := map[string]string{
@@ -330,9 +396,10 @@ func prepareHK(text string) string {
 }
 
 // prepareTW do prepare the .tw domain
-func prepareTW(text string) string {
+func prepareTW(text string) string { //nolint:cyclop
 	tokens := map[string][]string{
 		"Registrant:": {
+			"Organization",
 			"Organization",
 			"Name,Email",
 			"Phone",
@@ -363,7 +430,7 @@ func prepareTW(text string) string {
 	result := ""
 	for _, v := range strings.Split(text, "\n") {
 		v = strings.TrimSpace(v)
-		if v == "" {
+		if token == "" && v == "" {
 			continue
 		}
 		for _, s := range []string{"Record created on", "Record expires on"} {
@@ -381,8 +448,33 @@ func prepareTW(text string) string {
 			if token == "" {
 				result += "\n" + v
 			} else {
-				index += 1
+				index++
+				if index > len(tokens[token])-1 {
+					continue
+				}
 				tokenName := token[:len(token)-1]
+				// Organization may be one line or two lines
+				if tokenName == "Registrant" && tokens[token][index] == "Organization" {
+					if strings.Contains(v, "@") {
+						// Organization one line, jump to next
+						index++
+					} else if index == 1 {
+						// Organization two line, join it
+						result = strings.TrimSpace(result)
+						if !strings.HasSuffix(result, ":") {
+							result += ", " + v
+						} else {
+							result += " " + v
+						}
+						continue
+					}
+				}
+				// See testdata/noterror/tw_git.tw
+				if tokenName == "Registrant" && tokens[token][index] != "Address" {
+					if len(v) == 2 && strings.ToLower(v) != v {
+						index = xslice.Index(tokens[token], "Address")
+					}
+				}
 				indexName := tokens[token][index]
 				if tokenName == "Contact" {
 					tokenName = "Registrant Contact"
@@ -553,7 +645,7 @@ func prepareFR(text string) string {
 		}
 
 		if strings.TrimSpace(vs[0]) == hdlToken {
-			for _, kk := range Keys(hdls) {
+			for _, kk := range keys(hdls) {
 				if strings.TrimSpace(vs[1]) == hdls[kk] {
 					token = kk + " "
 					delete(hdls, kk)
@@ -588,6 +680,8 @@ func prepareRU(text string) string {
 		vs := strings.Split(v, ":")
 		if vv, ok := tokens[strings.TrimSpace(vs[0])]; ok {
 			v = fmt.Sprintf("%s: %s", vv, vs[1])
+		} else if vs[0] == "nserver" {
+			v = strings.Replace(v, ",", " ", -1)
 		}
 		result += v + "\n"
 	}
@@ -613,11 +707,14 @@ func prepareJP(text string) string {
 			continue
 		}
 		if strings.Contains(v, ":") {
-			vs := strings.Split(v, ":")
+			vs := strings.SplitN(v, ":", 2)
 			token = strings.TrimSpace(vs[0])
 			if token == adminToken {
 				prefixToken = "admin "
 			}
+			if strings.ToLower(token) == "registrant" {
+				v = fmt.Sprintf("registrant name: %s", vs[1])
+			}
 		} else {
 			if token == addressToken {
 				result += ", " + v
@@ -662,6 +759,7 @@ func prepareKR(text string) string {
 		"AC E-Mail":                  "Administrative Contact E-Mail",
 		"AC Phone Number":            "Administrative Contact Phone Number",
 		"Authorized Agency":          "Registrar Name",
+		"Registrant":                 "Registrant Name",
 	}
 
 	pos := strings.Index(text, english)
@@ -727,6 +825,7 @@ func prepareTK(text string) string {
 			"Address",
 			"Address",
 			"Address",
+			"Country",
 		},
 	}
 
@@ -749,7 +848,7 @@ func prepareTK(text string) string {
 			v = fmt.Sprintf("Name: %s\nStatus: %s", vv[0], vv[1])
 		} else if token == "Registrant" && !strings.Contains(v, ":") {
 			v = fmt.Sprintf("%s: %s", fields[token][index], v)
-			index += 1
+			index++
 		}
 		if token != "" {
 			if !strings.Contains(v, ":") {
@@ -803,7 +902,7 @@ func prepareNL(text string) string {
 				result += "\n" + v
 			} else {
 				result += fmt.Sprintf("\n%s %s: %s", token[:len(token)-1], tokens[token][index], v)
-				index += 1
+				index++
 			}
 		}
 	}
@@ -1035,3 +1134,54 @@ func prepareRS(text string) string {
 
 	return result
 }
+
+// prepareEE do prepare the .ee domain
+func prepareEE(text string) string {
+	tokens := map[string]string{
+		"Domain:":                 "Domain",
+		"Registrar:":              "Registrar",
+		"Registrant:":             "Registrant",
+		"Administrative contact:": "Administrative",
+		"Technical contact:":      "Technical",
+		"Name servers:":           "",
+	}
+
+	token := ""
+	result := ""
+
+	for _, v := range strings.Split(text, "\n") {
+		v = strings.TrimSpace(v)
+		if len(v) == 0 {
+			token = ""
+			continue
+		}
+		if t, ok := tokens[v]; ok {
+			token = t
+			continue
+		} else {
+			v = fmt.Sprintf("%s %s", token, v)
+		}
+		result += "\n" + strings.TrimSpace(v)
+	}
+
+	return result
+}
+
+// prepareCN do prepare the .cn domain
+func prepareCN(text string) string {
+	var result string
+
+	for _, v := range strings.Split(text, "\n") {
+		v = strings.TrimSpace(v)
+		if strings.Contains(v, ":") {
+			vs := strings.SplitN(v, ":", 2)
+			if strings.ToLower(strings.TrimSpace(vs[0])) == "registrant" {
+				vs[0] = "registrant name"
+			}
+			v = fmt.Sprintf("%s: %s", vs[0], vs[1])
+		}
+		result += "\n" + v
+	}
+
+	return result
+}

vendor/github.com/likexian/whois-parser/rule.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 Li Kexian
+ * Copyright 2014-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -60,6 +60,7 @@ var (
 		"domain registration date":               "created_date",
 		"registration date":                      "created_date",
 		"domain create date":                     "created_date",
+		"domain created":                         "created_date",
 		"domain name commencement date":          "created_date",
 		"registered date":                        "created_date",
 		"registered on":                          "created_date",
@@ -94,6 +95,7 @@ var (
 		"domain expiration date":                 "expired_date",
 		"expiry date":                            "expired_date",
 		"expiration time":                        "expired_date",
+		"domain expire":                          "expired_date",
 		"domain expires":                         "expired_date",
 		"record expires on":                      "expired_date",
 		"record will expire on":                  "expired_date",
@@ -105,11 +107,13 @@ var (
 		"registration service url":               "referral_url",
 		"registrant c":                           "registrant_id",
 		"registrant id":                          "registrant_id",
-		"registrant nic hdl":                     "registrant_id",
 		"registrant iana id":                     "registrant_id",
 		"registrant contact id":                  "registrant_id",
 		"registrant register number":             "registrant_id",
 		"registrant id number":                   "registrant_id",
+		"registrant nic hdl":                     "registrant_id",
+		"registrant nic handle":                  "registrant_id",
+		"registrant org id":                      "registrant_id",
 		"registrant name":                        "registrant_name",
 		"registrant person":                      "registrant_name",
 		"registrant contact":                     "registrant_name",
@@ -120,6 +124,7 @@ var (
 		"registrant service provider":            "registrant_name",
 		"registrant org":                         "registrant_organization",
 		"registrant organization":                "registrant_organization",
+		"registrant organization name":           "registrant_organization",
 		"registrant contact organization":        "registrant_organization",
 		"registrant organisation":                "registrant_organization",
 		"registrant contact organisation":        "registrant_organization",
@@ -129,6 +134,7 @@ var (
 		"registrant address1":                    "registrant_street",
 		"registrant street":                      "registrant_street",
 		"registrant street1":                     "registrant_street",
+		"registrant street address":              "registrant_street",
 		"registrant contact address":             "registrant_street",
 		"registrant contact address1":            "registrant_street",
 		"registrant contact street":              "registrant_street",
@@ -169,6 +175,7 @@ var (
 		"registrant mail":                        "registrant_email",
 		"registrant email":                       "registrant_email",
 		"registrant e mail":                      "registrant_email",
+		"registrant email address":               "registrant_email",
 		"registrant contact mail":                "registrant_email",
 		"registrant contact email":               "registrant_email",
 		"registrant contact e mail":              "registrant_email",

vendor/github.com/likexian/whois-parser/struct.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 Li Kexian
+ * Copyright 2014-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@ type Domain struct {
 	WhoisServer    string   `json:"whois_server,omitempty"`
 	Status         []string `json:"status,omitempty"`
 	NameServers    []string `json:"name_servers,omitempty"`
-	DnsSec         bool     `json:"dnssec,omitempty"`
+	DNSSec         bool     `json:"dnssec,omitempty"`
 	CreatedDate    string   `json:"created_date,omitempty"`
 	UpdatedDate    string   `json:"updated_date,omitempty"`
 	ExpirationDate string   `json:"expiration_date,omitempty"`

vendor/github.com/likexian/whois-parser/util.go

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 Li Kexian
+ * Copyright 2014-2021 Li Kexian
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,75 +24,8 @@ import (
 	"strings"
 )
 
-// IsNotFound returns domain is not found
+// isDNSSecEnabled returns if domain dnssec is enabled
-func IsNotFound(data string) bool {
+func isDNSSecEnabled(data string) bool {
-	notExistsKeys := []string{
-		"no found",
-		"no match",
-		"not found",
-		"not match",
-		"no entries found",
-		"no data found",
-		"not registered",
-		"not been registered",
-		"is free",
-		"not available for registration",
-		"object does not exist",
-	}
-
-	data = strings.ToLower(data)
-	for _, v := range notExistsKeys {
-		if strings.Contains(data, v) {
-			return true
-		}
-	}
-
-	return false
-}
-
-// IsPremiumDomain returns if the domain name is available to register at a premium price
-func IsPremiumDomain(data string) bool {
-	premiumKeys := []string{
-		"reserved domain name",
-		"reserved by the registry",
-		"available for purchase",
-	}
-
-	data = strings.ToLower(data)
-	for _, v := range premiumKeys {
-		if strings.Contains(data, v) {
-			return true
-		}
-	}
-
-	return false
-}
-
-// IsBlockedDomain returns if the domain name is blocked due to a DPML brand name block
-func IsBlockedDomain(data string) bool {
-	blockedKeys := []string{
-		"The registration of this domain is restricted",
-		"dpml block",
-	}
-
-	data = strings.ToLower(data)
-	for _, v := range blockedKeys {
-		if strings.Contains(data, v) {
-			return true
-		}
-	}
-
-	return false
-}
-
-// IsLimitExceeded returns is query limit
-func IsLimitExceeded(data string) bool {
-	data = strings.ToLower(data)
-	return strings.Contains(data, "limit exceeded")
-}
-
-// IsDnsSecEnabled returns dnssec is enabled
-func IsDnsSecEnabled(data string) bool {
 	switch strings.ToLower(data) {
 	case "yes", "active", "signed", "signeddelegation":
 		return true
@@ -101,8 +34,8 @@ func IsDnsSecEnabled(data string) bool {
 	}
 }
 
-// ClearName returns cleared key name
+// clearKeyName returns cleared key name
-func ClearName(key string) string {
+func clearKeyName(key string) string {
 	if strings.Contains(key, "(") {
 		key = strings.Split(key, "(")[0]
 	}
@@ -123,9 +56,9 @@ func ClearName(key string) string {
 	return key
 }
 
-// FindKeyName returns the mapper value by key
+// searchKeyName returns the mapper value by key
-func FindKeyName(key string) string {
+func searchKeyName(key string) string {
-	key = ClearName(key)
+	key = clearKeyName(key)
 	if v, ok := keyRule[key]; ok {
 		return v
 	}
@@ -133,8 +66,8 @@ func FindKeyName(key string) string {
 	return ""
 }
 
-// FixDomainStatus returns fixed domain status
+// fixDomainStatus returns fixed domain status
-func FixDomainStatus(status []string) []string {
+func fixDomainStatus(status []string) []string {
 	for k, v := range status {
 		names := strings.Split(strings.TrimSpace(v), " ")
 		status[k] = strings.ToLower(names[0])
@@ -143,8 +76,8 @@ func FixDomainStatus(status []string) []string {
 	return status
 }
 
-// FixNameServers returns fixed name servers
+// fixNameServers returns fixed name servers
-func FixNameServers(servers []string) []string {
+func fixNameServers(servers []string) []string {
 	for k, v := range servers {
 		names := strings.Split(strings.TrimSpace(v), " ")
 		servers[k] = strings.ToLower(strings.Trim(names[0], "."))
@@ -153,8 +86,19 @@ func FixNameServers(servers []string) []string {
 	return servers
 }
 
+// containsIn returns if any of substrs contains in data
+func containsIn(data string, substrs []string) bool {
+	for _, v := range substrs {
+		if strings.Contains(data, v) {
+			return true
+		}
+	}
+
+	return false
+}
+
 // Keys returns all keys of map by sort
-func Keys(m map[string]string) []string {
+func keys(m map[string]string) []string {
 	r := []string{}
 
 	for k := range m {

vendor/github.com/likexian/whois/.golangci.yml

@@ -0,0 +1,56 @@
+# .golangci.yml
+# Maintainer: https://www.likexian.com
+# Licensed under the Apache License 2.0
+
+run:
+  timeout: 5m
+  skip-dirs-use-default: true
+
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+    - cyclop
+    - durationcheck
+    - errname
+    - errorlint
+    - exportloopref
+    - gofmt
+    - goimports
+    - lll
+    - misspell
+    - nilerr
+    - nolintlint
+    - prealloc
+    - revive
+    - rowserrcheck
+    - sqlclosecheck
+    - stylecheck
+    - unconvert
+    - wastedassign
+
+linters-settings:
+  cyclop:
+    max-complexity: 20
+    package-average: 10.0
+    skip-tests: true
+
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - errcheck
+    - source: "^//go:generate "
+      linters:
+        - lll

vendor/github.com/likexian/whois/LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2014-2020 Li Kexian
+   Copyright 2014-2021 Li Kexian
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -200,6 +200,6 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 
-   APPENDIX: Copyright 2014-2020 Li Kexian
+   APPENDIX: Copyright 2014-2021 Li Kexian
 
        https://www.likexian.com/

vendor/github.com/likexian/whois/README.md

@@ -1,16 +1,16 @@
 # Whois
 
 [![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](LICENSE)
-[![GoDoc](https://godoc.org/github.com/likexian/whois-go?status.svg)](https://godoc.org/github.com/likexian/whois-go)
+[![GoDoc](https://pkg.go.dev/badge/github.com/likexian/whois.svg)](https://pkg.go.dev/github.com/likexian/whois)
-[![Build Status](https://travis-ci.org/likexian/whois-go.svg?branch=master)](https://travis-ci.org/likexian/whois-go)
+[![Go Report Card](https://goreportcard.com/badge/github.com/likexian/whois)](https://goreportcard.com/report/github.com/likexian/whois)
-[![Go Report Card](https://goreportcard.com/badge/github.com/likexian/whois-go)](https://goreportcard.com/report/github.com/likexian/whois-go)
+[![Build Status](https://github.com/likexian/whois/actions/workflows/gotest.yaml/badge.svg)](https://github.com/likexian/whois/actions/workflows/gotest.yaml)
-[![Code Cover](https://codecov.io/gh/likexian/whois-go/graph/badge.svg)](https://codecov.io/gh/likexian/whois-go)
+[![Code Cover](https://release.likexian.com/whois/coverage.svg)](https://github.com/likexian/whois/actions/workflows/gotest.yaml)
 
 Whois is a simple Go module for domain and ip whois information query.
 
 ## Overview
 
-All of domain, ipv4 and ipv6 are support.
+All of domain, IP include IPv4 and IPv6, ASN are supported.
 
 You can directly using the binary distributions whois, follow [whois release tool](cmd/whois).
 
@@ -19,20 +19,20 @@ Or you can do development by using this golang module as below.
 ## Installation
 
 ```shell
-go get -u github.com/likexian/whois-go
+go get -u github.com/likexian/whois
 ```
 
 ## Importing
 
 ```go
 import (
-    "github.com/likexian/whois-go"
+    "github.com/likexian/whois"
 )
 ```
 
 ## Documentation
 
-Visit the docs on [GoDoc](https://godoc.org/github.com/likexian/whois-go)
+Visit the docs on [GoDoc](https://pkg.go.dev/github.com/likexian/whois)
 
 ## Example
 
@@ -45,7 +45,7 @@ if err == nil {
 }
 ```
 
-### whois query for ipv6
+### whois query for IPv6
 
 ```go
 result, err := whois.Whois("2001:dc7::1")
@@ -54,7 +54,7 @@ if err == nil {
 }
 ```
 
-### whois query for ipv4
+### whois query for IPv4
 
 ```go
 result, err := whois.Whois("1.1.1.1")
@@ -63,13 +63,23 @@ if err == nil {
 }
 ```
 
+### whois query for ASN
+
+```go
+// or whois.Whois("AS60614")
+result, err := whois.Whois("60614")
+if err == nil {
+    fmt.Println(result)
+}
+```
+
 ## Whois information parsing
 
-Please refer to [whois-parser-go](https://github.com/likexian/whois-parser-go)
+Please refer to [whois-parser](https://github.com/likexian/whois-parser)
 
 ## License
 
-Copyright 2014-2020 [Li Kexian](https://www.likexian.com/)
+Copyright 2014-2021 [Li Kexian](https://www.likexian.com/)
 
 Licensed under the Apache License 2.0
 

vendor/github.com/likexian/whois/error.go

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2014-2021 Li Kexian
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Go module for domain and ip whois information query
+ * https://www.likexian.com/
+ */
+
+package whois
+
+import "errors"
+
+var (
+	// ErrDomainEmpty is domain is an empty string
+	ErrDomainEmpty = errors.New("whois: domain is empty")
+
+	// ErrWhoisServerNotFound is no whois server found
+	ErrWhoisServerNotFound = errors.New("whois: no whois server found for domain")
+)

vendor/github.com/likexian/whois/whois.go

@@ -0,0 +1,242 @@
+/*
+ * Copyright 2014-2021 Li Kexian
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Go module for domain and ip whois information query
+ * https://www.likexian.com/
+ */
+
+package whois
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net"
+	"strconv"
+	"strings"
+	"time"
+
+	"golang.org/x/net/proxy"
+)
+
+const (
+	// defaultWhoisServer is iana whois server
+	defaultWhoisServer = "whois.iana.org"
+	// defaultWhoisPort is default whois port
+	defaultWhoisPort = "43"
+	// defaultTimeout is query default timeout
+	defaultTimeout = 30 * time.Second
+	// asnPrefix is asn prefix string
+	asnPrefix = "AS"
+)
+
+// DefaultClient is default whois client
+var DefaultClient = NewClient()
+
+// Client is whois client
+type Client struct {
+	dialer  proxy.Dialer
+	timeout time.Duration
+	elapsed time.Duration
+}
+
+// Version returns package version
+func Version() string {
+	return "1.12.4"
+}
+
+// Author returns package author
+func Author() string {
+	return "[Li Kexian](https://www.likexian.com/)"
+}
+
+// License returns package license
+func License() string {
+	return "Licensed under the Apache License 2.0"
+}
+
+// Whois do the whois query and returns whois information
+func Whois(domain string, servers ...string) (result string, err error) {
+	return DefaultClient.Whois(domain, servers...)
+}
+
+// New returns new whois client
+func NewClient() *Client {
+	return &Client{
+		dialer: &net.Dialer{
+			Timeout: defaultTimeout,
+		},
+		timeout: defaultTimeout,
+	}
+}
+
+// SetDialer set query net dialer
+func (c *Client) SetDialer(dialer proxy.Dialer) {
+	c.dialer = dialer
+}
+
+// SetTimeout set query timeout
+func (c *Client) SetTimeout(timeout time.Duration) {
+	c.timeout = timeout
+}
+
+// Whois do the whois query and returns whois information
+func (c *Client) Whois(domain string, servers ...string) (result string, err error) {
+	start := time.Now()
+	defer func() {
+		result = fmt.Sprintf("%s\n\n;; Query time: %d msec\n;; WHEN: %s\n",
+			strings.TrimRight(result, "\n"),
+			time.Since(start).Milliseconds(),
+			start.Format("Mon Jan 02 15:04:05 MST 2006"),
+		)
+	}()
+
+	domain = strings.Trim(strings.TrimSpace(domain), ".")
+	if domain == "" {
+		return "", ErrDomainEmpty
+	}
+
+	isASN := IsASN(domain)
+	if isASN {
+		if !strings.HasPrefix(strings.ToUpper(domain), asnPrefix) {
+			domain = asnPrefix + domain
+		}
+	}
+
+	if !strings.Contains(domain, ".") && !strings.Contains(domain, ":") && !isASN {
+		return c.rawQuery(domain, defaultWhoisServer)
+	}
+
+	var server string
+	if len(servers) > 0 && servers[0] != "" {
+		server = strings.ToLower(servers[0])
+	} else {
+		ext := getExtension(domain)
+		result, err := c.rawQuery(ext, defaultWhoisServer)
+		if err != nil {
+			return "", fmt.Errorf("whois: query for whois server failed: %w", err)
+		}
+		server = getServer(result)
+		if server == "" {
+			return "", fmt.Errorf("%w: %s", ErrWhoisServerNotFound, domain)
+		}
+	}
+
+	result, err = c.rawQuery(domain, server)
+	if err != nil {
+		return
+	}
+
+	refServer := getServer(result)
+	if refServer == "" || refServer == server {
+		return
+	}
+
+	data, err := c.rawQuery(domain, refServer)
+	if err == nil {
+		result += data
+	}
+
+	return
+}
+
+// rawQuery do raw query to the server
+func (c *Client) rawQuery(domain, server string) (string, error) {
+	c.elapsed = 0
+	start := time.Now()
+
+	if server == "whois.arin.net" {
+		if IsASN(domain) {
+			domain = "a + " + domain
+		} else {
+			domain = "n + " + domain
+		}
+	}
+
+	// See: https://github.com/likexian/whois/issues/17
+	if server == "whois.godaddy" {
+		server = "whois.godaddy.com"
+	}
+
+	conn, err := c.dialer.Dial("tcp", net.JoinHostPort(server, defaultWhoisPort))
+	if err != nil {
+		return "", fmt.Errorf("whois: connect to whois server failed: %w", err)
+	}
+
+	defer conn.Close()
+	c.elapsed = time.Since(start)
+
+	_ = conn.SetWriteDeadline(time.Now().Add(c.timeout - c.elapsed))
+	_, err = conn.Write([]byte(domain + "\r\n"))
+	if err != nil {
+		return "", fmt.Errorf("whois: send to whois server failed: %w", err)
+	}
+
+	c.elapsed = time.Since(start)
+
+	_ = conn.SetReadDeadline(time.Now().Add(c.timeout - c.elapsed))
+	buffer, err := ioutil.ReadAll(conn)
+	if err != nil {
+		return "", fmt.Errorf("whois: read from whois server failed: %w", err)
+	}
+
+	c.elapsed = time.Since(start)
+
+	return string(buffer), nil
+}
+
+// getExtension returns extension of domain
+func getExtension(domain string) string {
+	ext := domain
+
+	if net.ParseIP(domain) == nil {
+		domains := strings.Split(domain, ".")
+		ext = domains[len(domains)-1]
+	}
+
+	if strings.Contains(ext, "/") {
+		ext = strings.Split(ext, "/")[0]
+	}
+
+	return ext
+}
+
+// getServer returns server from whois data
+func getServer(data string) string {
+	tokens := []string{
+		"Registrar WHOIS Server: ",
+		"whois: ",
+	}
+
+	for _, token := range tokens {
+		start := strings.Index(data, token)
+		if start != -1 {
+			start += len(token)
+			end := strings.Index(data[start:], "\n")
+			return strings.TrimSpace(data[start : start+end])
+		}
+	}
+
+	return ""
+}
+
+// IsASN returns if s is ASN
+func IsASN(s string) bool {
+	s = strings.ToUpper(s)
+
+	s = strings.TrimPrefix(s, asnPrefix)
+	_, err := strconv.Atoi(s)
+
+	return err == nil
+}

vendor/github.com/mattn/go-colorable/.travis.yml

@@ -1,15 +0,0 @@
-language: go
-sudo: false
-go:
-  - 1.13.x
-  - tip
-
-before_install:
-  - go get -t -v ./...
-
-script:
-  - ./go.test.sh
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-

vendor/github.com/mattn/go-colorable/README.md

@@ -1,6 +1,6 @@
 # go-colorable
 
-[![Build Status](https://travis-ci.org/mattn/go-colorable.svg?branch=master)](https://travis-ci.org/mattn/go-colorable)
+[![Build Status](https://github.com/mattn/go-colorable/workflows/test/badge.svg)](https://github.com/mattn/go-colorable/actions?query=workflow%3Atest)
 [![Codecov](https://codecov.io/gh/mattn/go-colorable/branch/master/graph/badge.svg)](https://codecov.io/gh/mattn/go-colorable)
 [![GoDoc](https://godoc.org/github.com/mattn/go-colorable?status.svg)](http://godoc.org/github.com/mattn/go-colorable)
 [![Go Report Card](https://goreportcard.com/badge/mattn/go-colorable)](https://goreportcard.com/report/mattn/go-colorable)

vendor/github.com/mattn/go-colorable/colorable_appengine.go

@@ -1,3 +1,4 @@
+//go:build appengine
 // +build appengine
 
 package colorable

vendor/github.com/mattn/go-colorable/colorable_others.go

@@ -1,5 +1,5 @@
-// +build !windows
+//go:build !windows && !appengine
-// +build !appengine
+// +build !windows,!appengine
 
 package colorable
 

vendor/github.com/mattn/go-colorable/colorable_windows.go

@@ -1,5 +1,5 @@
-// +build windows
+//go:build windows && !appengine
-// +build !appengine
+// +build windows,!appengine
 
 package colorable
 
@@ -452,18 +452,22 @@ func (w *Writer) Write(data []byte) (n int, err error) {
 	} else {
 		er = bytes.NewReader(data)
 	}
-	var bw [1]byte
+	var plaintext bytes.Buffer
 loop:
 	for {
 		c1, err := er.ReadByte()
 		if err != nil {
+			plaintext.WriteTo(w.out)
 			break loop
 		}
 		if c1 != 0x1b {
-			bw[0] = c1
+			plaintext.WriteByte(c1)
-			w.out.Write(bw[:])
 			continue
 		}
+		_, err = plaintext.WriteTo(w.out)
+		if err != nil {
+			break loop
+		}
 		c2, err := er.ReadByte()
 		if err != nil {
 			break loop

vendor/github.com/mattn/go-colorable/noncolorable.go

@@ -18,18 +18,22 @@ func NewNonColorable(w io.Writer) io.Writer {
 // Write writes data on console
 func (w *NonColorable) Write(data []byte) (n int, err error) {
 	er := bytes.NewReader(data)
-	var bw [1]byte
+	var plaintext bytes.Buffer
 loop:
 	for {
 		c1, err := er.ReadByte()
 		if err != nil {
+			plaintext.WriteTo(w.out)
 			break loop
 		}
 		if c1 != 0x1b {
-			bw[0] = c1
+			plaintext.WriteByte(c1)
-			w.out.Write(bw[:])
 			continue
 		}
+		_, err = plaintext.WriteTo(w.out)
+		if err != nil {
+			break loop
+		}
 		c2, err := er.ReadByte()
 		if err != nil {
 			break loop

vendor/github.com/mattn/go-isatty/.travis.yml

@@ -1,14 +0,0 @@
-language: go
-sudo: false
-go:
-  - 1.13.x
-  - tip
-
-before_install:
-  - go get -t -v ./...
-
-script:
-  - ./go.test.sh
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)

vendor/github.com/mattn/go-isatty/isatty_bsd.go

@@ -1,3 +1,4 @@
+//go:build (darwin || freebsd || openbsd || netbsd || dragonfly) && !appengine
 // +build darwin freebsd openbsd netbsd dragonfly
 // +build !appengine
 

vendor/github.com/mattn/go-isatty/isatty_others.go

@@ -1,4 +1,5 @@
-// +build appengine js nacl
+//go:build appengine || js || nacl || wasm
+// +build appengine js nacl wasm
 
 package isatty
 

vendor/github.com/mattn/go-isatty/isatty_plan9.go

@@ -1,3 +1,4 @@
+//go:build plan9
 // +build plan9
 
 package isatty

vendor/github.com/mattn/go-isatty/isatty_solaris.go

@@ -1,5 +1,5 @@
-// +build solaris
+//go:build solaris && !appengine
-// +build !appengine
+// +build solaris,!appengine
 
 package isatty
 
@@ -8,10 +8,9 @@ import (
 )
 
 // IsTerminal returns true if the given file descriptor is a terminal.
-// see: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libbc/libc/gen/common/isatty.c
+// see: https://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libc/port/gen/isatty.c
 func IsTerminal(fd uintptr) bool {
-	var termio unix.Termio
+	_, err := unix.IoctlGetTermio(int(fd), unix.TCGETA)
-	err := unix.IoctlSetTermio(int(fd), unix.TCGETA, &termio)
 	return err == nil
 }
 

vendor/github.com/mattn/go-isatty/isatty_tcgets.go

@@ -1,4 +1,5 @@
-// +build linux aix
+//go:build (linux || aix || zos) && !appengine
+// +build linux aix zos
 // +build !appengine
 
 package isatty

vendor/github.com/mattn/go-isatty/isatty_windows.go

@@ -1,5 +1,5 @@
-// +build windows
+//go:build windows && !appengine
-// +build !appengine
+// +build windows,!appengine
 
 package isatty
 
@@ -76,7 +76,7 @@ func isCygwinPipeName(name string) bool {
 }
 
 // getFileNameByHandle use the undocomented ntdll NtQueryObject to get file full name from file handler
-// since GetFileInformationByHandleEx is not avilable under windows Vista and still some old fashion
+// since GetFileInformationByHandleEx is not available under windows Vista and still some old fashion
 // guys are using Windows XP, this is a workaround for those guys, it will also work on system from
 // Windows vista to 10
 // see https://stackoverflow.com/a/18792477 for details

vendor/github.com/mattn/go-isatty/renovate.json

@@ -1,8 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "postUpdateOptions": [
-    "gomodTidy"
-  ]
-}