Remove containous/mux from HTTP muxer
Co-authored-by: Simon Delicata <simon.delicata@traefik.io>
This commit is contained in:
parent
8c98234c07
commit
c38d405cfd
8 changed files with 299 additions and 209 deletions
1
go.mod
1
go.mod
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@ -385,7 +385,6 @@ require (
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replace (
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replace (
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github.com/abbot/go-http-auth => github.com/containous/go-http-auth v0.4.1-0.20200324110947-a37a7636d23e
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github.com/abbot/go-http-auth => github.com/containous/go-http-auth v0.4.1-0.20200324110947-a37a7636d23e
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github.com/go-check/check => github.com/containous/check v0.0.0-20170915194414-ca0bf163426a
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github.com/go-check/check => github.com/containous/check v0.0.0-20170915194414-ca0bf163426a
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github.com/gorilla/mux => github.com/containous/mux v0.0.0-20220627093034-b2dd784e613f
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github.com/mailgun/minheap => github.com/containous/minheap v0.0.0-20190809180810-6e71eb837595
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github.com/mailgun/minheap => github.com/containous/minheap v0.0.0-20190809180810-6e71eb837595
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)
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)
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7
go.sum
7
go.sum
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@ -457,8 +457,6 @@ github.com/containous/go-http-auth v0.4.1-0.20200324110947-a37a7636d23e h1:D+uTE
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github.com/containous/go-http-auth v0.4.1-0.20200324110947-a37a7636d23e/go.mod h1:s8kLgBQolDbsJOPVIGCEEv9zGAKUUf/685Gi0Qqg8z8=
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github.com/containous/go-http-auth v0.4.1-0.20200324110947-a37a7636d23e/go.mod h1:s8kLgBQolDbsJOPVIGCEEv9zGAKUUf/685Gi0Qqg8z8=
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github.com/containous/minheap v0.0.0-20190809180810-6e71eb837595 h1:aPspFRO6b94To3gl4yTDOEtpjFwXI7V2W+z0JcNljQ4=
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github.com/containous/minheap v0.0.0-20190809180810-6e71eb837595 h1:aPspFRO6b94To3gl4yTDOEtpjFwXI7V2W+z0JcNljQ4=
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github.com/containous/minheap v0.0.0-20190809180810-6e71eb837595/go.mod h1:+lHFbEasIiQVGzhVDVw/cn0ZaOzde2OwNncp1NhXV4c=
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github.com/containous/minheap v0.0.0-20190809180810-6e71eb837595/go.mod h1:+lHFbEasIiQVGzhVDVw/cn0ZaOzde2OwNncp1NhXV4c=
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github.com/containous/mux v0.0.0-20220627093034-b2dd784e613f h1:1uEtynq2C0ljy3630jt7EAxg8jZY2gy6YHdGwdqEpWw=
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github.com/containous/mux v0.0.0-20220627093034-b2dd784e613f/go.mod h1:z8WW7n06n8/1xF9Jl9WmuDeZuHAhfL+bwarNjsciwwg=
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github.com/coredns/coredns v1.1.2/go.mod h1:zASH/MVDgR6XZTbxvOnsZfffS+31vg6Ackf/wo1+AM0=
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github.com/coredns/coredns v1.1.2/go.mod h1:zASH/MVDgR6XZTbxvOnsZfffS+31vg6Ackf/wo1+AM0=
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github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
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github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
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github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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@ -936,6 +934,11 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORR
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github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
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github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
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github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
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github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
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github.com/gorilla/handlers v1.5.1/go.mod h1:t8XrUpc4KVXb7HGyJ4/cEnwQiaxrX/hz1Zv/4g96P1Q=
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github.com/gorilla/handlers v1.5.1/go.mod h1:t8XrUpc4KVXb7HGyJ4/cEnwQiaxrX/hz1Zv/4g96P1Q=
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github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/mux v1.7.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
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github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
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github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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@ -7,14 +7,13 @@ import (
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"strings"
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"strings"
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"unicode/utf8"
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"unicode/utf8"
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"github.com/gorilla/mux"
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"github.com/rs/zerolog/log"
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"github.com/rs/zerolog/log"
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"github.com/traefik/traefik/v2/pkg/ip"
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"github.com/traefik/traefik/v2/pkg/ip"
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"github.com/traefik/traefik/v2/pkg/middlewares/requestdecorator"
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"github.com/traefik/traefik/v2/pkg/middlewares/requestdecorator"
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"golang.org/x/exp/slices"
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"golang.org/x/exp/slices"
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)
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)
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var httpFuncs = map[string]func(*mux.Route, ...string) error{
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var httpFuncs = map[string]func(*matchersTree, ...string) error{
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"ClientIP": expectNParameters(clientIP, 1),
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"ClientIP": expectNParameters(clientIP, 1),
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"Method": expectNParameters(method, 1),
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"Method": expectNParameters(method, 1),
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"Host": expectNParameters(host, 1),
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"Host": expectNParameters(host, 1),
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@ -28,17 +27,17 @@ var httpFuncs = map[string]func(*mux.Route, ...string) error{
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"QueryRegexp": expectNParameters(queryRegexp, 1, 2),
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"QueryRegexp": expectNParameters(queryRegexp, 1, 2),
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}
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}
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func expectNParameters(fn func(*mux.Route, ...string) error, n ...int) func(*mux.Route, ...string) error {
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func expectNParameters(fn func(*matchersTree, ...string) error, n ...int) func(*matchersTree, ...string) error {
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return func(route *mux.Route, s ...string) error {
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return func(tree *matchersTree, s ...string) error {
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if !slices.Contains(n, len(s)) {
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if !slices.Contains(n, len(s)) {
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return fmt.Errorf("unexpected number of parameters; got %d, expected one of %v", len(s), n)
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return fmt.Errorf("unexpected number of parameters; got %d, expected one of %v", len(s), n)
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}
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}
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return fn(route, s...)
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return fn(tree, s...)
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}
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}
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}
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}
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func clientIP(route *mux.Route, clientIP ...string) error {
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func clientIP(tree *matchersTree, clientIP ...string) error {
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checker, err := ip.NewChecker(clientIP)
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checker, err := ip.NewChecker(clientIP)
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if err != nil {
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if err != nil {
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return fmt.Errorf("initializing IP checker for ClientIP matcher: %w", err)
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return fmt.Errorf("initializing IP checker for ClientIP matcher: %w", err)
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@ -46,7 +45,7 @@ func clientIP(route *mux.Route, clientIP ...string) error {
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strategy := ip.RemoteAddrStrategy{}
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strategy := ip.RemoteAddrStrategy{}
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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ok, err := checker.Contains(strategy.GetIP(req))
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ok, err := checker.Contains(strategy.GetIP(req))
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if err != nil {
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if err != nil {
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log.Ctx(req.Context()).Warn().Err(err).Msg("ClientIP matcher: could not match remote address")
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log.Ctx(req.Context()).Warn().Err(err).Msg("ClientIP matcher: could not match remote address")
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@ -54,16 +53,22 @@ func clientIP(route *mux.Route, clientIP ...string) error {
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}
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}
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return ok
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return ok
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})
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}
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return nil
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return nil
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}
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}
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func method(route *mux.Route, methods ...string) error {
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func method(tree *matchersTree, methods ...string) error {
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return route.Methods(methods...).GetError()
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method := strings.ToUpper(methods[0])
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tree.matcher = func(req *http.Request) bool {
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return method == req.Method
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}
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return nil
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}
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}
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func host(route *mux.Route, hosts ...string) error {
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func host(tree *matchersTree, hosts ...string) error {
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host := hosts[0]
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host := hosts[0]
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if !IsASCII(host) {
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if !IsASCII(host) {
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@ -72,7 +77,7 @@ func host(route *mux.Route, hosts ...string) error {
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host = strings.ToLower(host)
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host = strings.ToLower(host)
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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reqHost := requestdecorator.GetCanonizedHost(req.Context())
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reqHost := requestdecorator.GetCanonizedHost(req.Context())
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if len(reqHost) == 0 {
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if len(reqHost) == 0 {
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return false
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return false
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@ -104,12 +109,12 @@ func host(route *mux.Route, hosts ...string) error {
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}
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}
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return false
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return false
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})
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}
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return nil
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return nil
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}
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}
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func hostRegexp(route *mux.Route, hosts ...string) error {
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func hostRegexp(tree *matchersTree, hosts ...string) error {
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host := hosts[0]
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host := hosts[0]
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if !IsASCII(host) {
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if !IsASCII(host) {
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@ -121,29 +126,29 @@ func hostRegexp(route *mux.Route, hosts ...string) error {
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return fmt.Errorf("compiling HostRegexp matcher: %w", err)
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return fmt.Errorf("compiling HostRegexp matcher: %w", err)
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}
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}
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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return re.MatchString(requestdecorator.GetCanonizedHost(req.Context())) ||
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return re.MatchString(requestdecorator.GetCanonizedHost(req.Context())) ||
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re.MatchString(requestdecorator.GetCNAMEFlatten(req.Context()))
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re.MatchString(requestdecorator.GetCNAMEFlatten(req.Context()))
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})
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}
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return nil
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return nil
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}
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}
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func path(route *mux.Route, paths ...string) error {
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func path(tree *matchersTree, paths ...string) error {
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path := paths[0]
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path := paths[0]
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if !strings.HasPrefix(path, "/") {
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if !strings.HasPrefix(path, "/") {
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return fmt.Errorf("path %q does not start with a '/'", path)
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return fmt.Errorf("path %q does not start with a '/'", path)
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}
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}
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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return req.URL.Path == path
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return req.URL.Path == path
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})
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}
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return nil
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return nil
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}
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}
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func pathRegexp(route *mux.Route, paths ...string) error {
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func pathRegexp(tree *matchersTree, paths ...string) error {
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path := paths[0]
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path := paths[0]
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re, err := regexp.Compile(path)
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re, err := regexp.Compile(path)
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@ -151,36 +156,65 @@ func pathRegexp(route *mux.Route, paths ...string) error {
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return fmt.Errorf("compiling PathPrefix matcher: %w", err)
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return fmt.Errorf("compiling PathPrefix matcher: %w", err)
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}
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}
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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return re.MatchString(req.URL.Path)
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return re.MatchString(req.URL.Path)
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})
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}
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return nil
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return nil
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}
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}
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func pathPrefix(route *mux.Route, paths ...string) error {
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func pathPrefix(tree *matchersTree, paths ...string) error {
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path := paths[0]
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path := paths[0]
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if !strings.HasPrefix(path, "/") {
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if !strings.HasPrefix(path, "/") {
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return fmt.Errorf("path %q does not start with a '/'", path)
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return fmt.Errorf("path %q does not start with a '/'", path)
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}
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}
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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return strings.HasPrefix(req.URL.Path, path)
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return strings.HasPrefix(req.URL.Path, path)
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})
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}
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return nil
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return nil
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}
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}
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func header(route *mux.Route, headers ...string) error {
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func header(tree *matchersTree, headers ...string) error {
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return route.Headers(headers...).GetError()
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key, value := http.CanonicalHeaderKey(headers[0]), headers[1]
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tree.matcher = func(req *http.Request) bool {
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for _, headerValue := range req.Header[key] {
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if headerValue == value {
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return true
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}
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}
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return false
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}
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return nil
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}
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}
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func headerRegexp(route *mux.Route, headers ...string) error {
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func headerRegexp(tree *matchersTree, headers ...string) error {
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return route.HeadersRegexp(headers...).GetError()
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key, value := http.CanonicalHeaderKey(headers[0]), headers[1]
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re, err := regexp.Compile(value)
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if err != nil {
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return fmt.Errorf("compiling HeaderRegexp matcher: %w", err)
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}
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tree.matcher = func(req *http.Request) bool {
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for _, headerValue := range req.Header[key] {
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if re.MatchString(headerValue) {
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return true
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}
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}
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return false
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}
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return nil
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}
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}
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func query(route *mux.Route, queries ...string) error {
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func query(tree *matchersTree, queries ...string) error {
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key := queries[0]
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key := queries[0]
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var value string
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var value string
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@ -188,21 +222,21 @@ func query(route *mux.Route, queries ...string) error {
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value = queries[1]
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value = queries[1]
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}
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}
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route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
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tree.matcher = func(req *http.Request) bool {
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values, ok := req.URL.Query()[key]
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values, ok := req.URL.Query()[key]
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if !ok {
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if !ok {
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return false
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return false
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}
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}
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return slices.Contains(values, value)
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return slices.Contains(values, value)
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})
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}
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return nil
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return nil
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}
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}
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func queryRegexp(route *mux.Route, queries ...string) error {
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func queryRegexp(tree *matchersTree, queries ...string) error {
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if len(queries) == 1 {
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if len(queries) == 1 {
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return query(route, queries...)
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return query(tree, queries...)
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}
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}
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key, value := queries[0], queries[1]
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key, value := queries[0], queries[1]
|
||||||
|
@ -212,7 +246,7 @@ func queryRegexp(route *mux.Route, queries ...string) error {
|
||||||
return fmt.Errorf("compiling QueryRegexp matcher: %w", err)
|
return fmt.Errorf("compiling QueryRegexp matcher: %w", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
route.MatcherFunc(func(req *http.Request, _ *mux.RouteMatch) bool {
|
tree.matcher = func(req *http.Request) bool {
|
||||||
values, ok := req.URL.Query()[key]
|
values, ok := req.URL.Query()[key]
|
||||||
if !ok {
|
if !ok {
|
||||||
return false
|
return false
|
||||||
|
@ -223,7 +257,7 @@ func queryRegexp(route *mux.Route, queries ...string) error {
|
||||||
})
|
})
|
||||||
|
|
||||||
return idx >= 0
|
return idx >= 0
|
||||||
})
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
|
@ -3,6 +3,7 @@ package http
|
||||||
import (
|
import (
|
||||||
"net/http"
|
"net/http"
|
||||||
"net/http/httptest"
|
"net/http/httptest"
|
||||||
|
"strings"
|
||||||
"testing"
|
"testing"
|
||||||
|
|
||||||
"github.com/stretchr/testify/assert"
|
"github.com/stretchr/testify/assert"
|
||||||
|
@ -121,16 +122,18 @@ func TestMethodMatcher(t *testing.T) {
|
||||||
desc: "valid Method matcher",
|
desc: "valid Method matcher",
|
||||||
rule: "Method(`GET`)",
|
rule: "Method(`GET`)",
|
||||||
expected: map[string]int{
|
expected: map[string]int{
|
||||||
http.MethodGet: http.StatusOK,
|
http.MethodGet: http.StatusOK,
|
||||||
http.MethodPost: http.StatusMethodNotAllowed,
|
http.MethodPost: http.StatusNotFound,
|
||||||
|
strings.ToLower(http.MethodGet): http.StatusNotFound,
|
||||||
},
|
},
|
||||||
},
|
},
|
||||||
{
|
{
|
||||||
desc: "valid Method matcher (lower case)",
|
desc: "valid Method matcher (lower case)",
|
||||||
rule: "Method(`get`)",
|
rule: "Method(`get`)",
|
||||||
expected: map[string]int{
|
expected: map[string]int{
|
||||||
http.MethodGet: http.StatusOK,
|
http.MethodGet: http.StatusOK,
|
||||||
http.MethodPost: http.StatusMethodNotAllowed,
|
http.MethodPost: http.StatusNotFound,
|
||||||
|
strings.ToLower(http.MethodGet): http.StatusNotFound,
|
||||||
},
|
},
|
||||||
},
|
},
|
||||||
}
|
}
|
||||||
|
@ -200,6 +203,7 @@ func TestHostMatcher(t *testing.T) {
|
||||||
"https://example.com": http.StatusOK,
|
"https://example.com": http.StatusOK,
|
||||||
"https://example.com:8080": http.StatusOK,
|
"https://example.com:8080": http.StatusOK,
|
||||||
"https://example.com/path": http.StatusOK,
|
"https://example.com/path": http.StatusOK,
|
||||||
|
"https://EXAMPLE.COM/path": http.StatusOK,
|
||||||
"https://example.org": http.StatusNotFound,
|
"https://example.org": http.StatusNotFound,
|
||||||
"https://example.org/path": http.StatusNotFound,
|
"https://example.org/path": http.StatusNotFound,
|
||||||
},
|
},
|
||||||
|
@ -665,6 +669,17 @@ func TestHeaderMatcher(t *testing.T) {
|
||||||
{"X-Forwarded-Host": []string{"example.com"}}: http.StatusNotFound,
|
{"X-Forwarded-Host": []string{"example.com"}}: http.StatusNotFound,
|
||||||
},
|
},
|
||||||
},
|
},
|
||||||
|
{
|
||||||
|
desc: "valid Header matcher (non-canonical form)",
|
||||||
|
rule: "Header(`x-forwarded-proto`, `https`)",
|
||||||
|
expected: map[*http.Header]int{
|
||||||
|
{"X-Forwarded-Proto": []string{"https"}}: http.StatusOK,
|
||||||
|
{"x-forwarded-proto": []string{"https"}}: http.StatusNotFound,
|
||||||
|
{"X-Forwarded-Proto": []string{"http", "https"}}: http.StatusOK,
|
||||||
|
{"X-Forwarded-Proto": []string{"https", "http"}}: http.StatusOK,
|
||||||
|
{"X-Forwarded-Host": []string{"example.com"}}: http.StatusNotFound,
|
||||||
|
},
|
||||||
|
},
|
||||||
}
|
}
|
||||||
|
|
||||||
for _, test := range testCases {
|
for _, test := range testCases {
|
||||||
|
@ -747,6 +762,18 @@ func TestHeaderRegexpMatcher(t *testing.T) {
|
||||||
{"X-Forwarded-Host": []string{"example.com"}}: http.StatusNotFound,
|
{"X-Forwarded-Host": []string{"example.com"}}: http.StatusNotFound,
|
||||||
},
|
},
|
||||||
},
|
},
|
||||||
|
{
|
||||||
|
desc: "valid HeaderRegexp matcher (non-canonical form)",
|
||||||
|
rule: "HeaderRegexp(`x-forwarded-proto`, `^https?$`)",
|
||||||
|
expected: map[*http.Header]int{
|
||||||
|
{"X-Forwarded-Proto": []string{"http"}}: http.StatusOK,
|
||||||
|
{"x-forwarded-proto": []string{"http"}}: http.StatusNotFound,
|
||||||
|
{"X-Forwarded-Proto": []string{"https"}}: http.StatusOK,
|
||||||
|
{"X-Forwarded-Proto": []string{"HTTPS"}}: http.StatusNotFound,
|
||||||
|
{"X-Forwarded-Proto": []string{"ws", "https"}}: http.StatusOK,
|
||||||
|
{"X-Forwarded-Host": []string{"example.com"}}: http.StatusNotFound,
|
||||||
|
},
|
||||||
|
},
|
||||||
{
|
{
|
||||||
desc: "valid HeaderRegexp matcher with Traefik v2 syntax",
|
desc: "valid HeaderRegexp matcher with Traefik v2 syntax",
|
||||||
rule: "HeaderRegexp(`X-Forwarded-Proto`, `http{secure:s?}`)",
|
rule: "HeaderRegexp(`X-Forwarded-Proto`, `http{secure:s?}`)",
|
||||||
|
|
|
@ -3,15 +3,16 @@ package http
|
||||||
import (
|
import (
|
||||||
"fmt"
|
"fmt"
|
||||||
"net/http"
|
"net/http"
|
||||||
|
"sort"
|
||||||
|
|
||||||
"github.com/gorilla/mux"
|
"github.com/rs/zerolog/log"
|
||||||
"github.com/traefik/traefik/v2/pkg/rules"
|
"github.com/traefik/traefik/v2/pkg/rules"
|
||||||
"github.com/vulcand/predicate"
|
"github.com/vulcand/predicate"
|
||||||
)
|
)
|
||||||
|
|
||||||
// Muxer handles routing with rules.
|
// Muxer handles routing with rules.
|
||||||
type Muxer struct {
|
type Muxer struct {
|
||||||
*mux.Router
|
routes routes
|
||||||
parser predicate.Parser
|
parser predicate.Parser
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -24,18 +25,30 @@ func NewMuxer() (*Muxer, error) {
|
||||||
|
|
||||||
parser, err := rules.NewParser(matchers)
|
parser, err := rules.NewParser(matchers)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return nil, err
|
return nil, fmt.Errorf("error while creating parser: %w", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
return &Muxer{
|
return &Muxer{
|
||||||
Router: mux.NewRouter().SkipClean(true),
|
|
||||||
parser: parser,
|
parser: parser,
|
||||||
}, nil
|
}, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// ServeHTTP forwards the connection to the matching HTTP handler.
|
||||||
|
// Serves 404 if no handler is found.
|
||||||
|
func (m *Muxer) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
|
||||||
|
for _, route := range m.routes {
|
||||||
|
if route.matchers.match(req) {
|
||||||
|
route.handler.ServeHTTP(rw, req)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
http.NotFoundHandler().ServeHTTP(rw, req)
|
||||||
|
}
|
||||||
|
|
||||||
// AddRoute add a new route to the router.
|
// AddRoute add a new route to the router.
|
||||||
func (r *Muxer) AddRoute(rule string, priority int, handler http.Handler) error {
|
func (m *Muxer) AddRoute(rule string, priority int, handler http.Handler) error {
|
||||||
parse, err := r.parser.Parse(rule)
|
parse, err := m.parser.Parse(rule)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return fmt.Errorf("error while parsing rule %s: %w", rule, err)
|
return fmt.Errorf("error while parsing rule %s: %w", rule, err)
|
||||||
}
|
}
|
||||||
|
@ -45,101 +58,27 @@ func (r *Muxer) AddRoute(rule string, priority int, handler http.Handler) error
|
||||||
return fmt.Errorf("error while parsing rule %s", rule)
|
return fmt.Errorf("error while parsing rule %s", rule)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
var matchers matchersTree
|
||||||
|
err = matchers.addRule(buildTree())
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("error while adding rule %s: %w", rule, err)
|
||||||
|
}
|
||||||
|
|
||||||
if priority == 0 {
|
if priority == 0 {
|
||||||
priority = len(rule)
|
priority = len(rule)
|
||||||
}
|
}
|
||||||
|
|
||||||
route := r.NewRoute().Handler(handler).Priority(priority)
|
m.routes = append(m.routes, &route{
|
||||||
|
handler: handler,
|
||||||
|
matchers: matchers,
|
||||||
|
priority: priority,
|
||||||
|
})
|
||||||
|
|
||||||
err = addRuleOnRoute(route, buildTree())
|
sort.Sort(m.routes)
|
||||||
if err != nil {
|
|
||||||
route.BuildOnly()
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
func addRuleOnRouter(router *mux.Router, rule *rules.Tree) error {
|
|
||||||
switch rule.Matcher {
|
|
||||||
case "and":
|
|
||||||
route := router.NewRoute()
|
|
||||||
err := addRuleOnRoute(route, rule.RuleLeft)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
return addRuleOnRoute(route, rule.RuleRight)
|
|
||||||
case "or":
|
|
||||||
err := addRuleOnRouter(router, rule.RuleLeft)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
return addRuleOnRouter(router, rule.RuleRight)
|
|
||||||
default:
|
|
||||||
err := rules.CheckRule(rule)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
if rule.Not {
|
|
||||||
return not(httpFuncs[rule.Matcher])(router.NewRoute(), rule.Value...)
|
|
||||||
}
|
|
||||||
|
|
||||||
return httpFuncs[rule.Matcher](router.NewRoute(), rule.Value...)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func addRuleOnRoute(route *mux.Route, rule *rules.Tree) error {
|
|
||||||
switch rule.Matcher {
|
|
||||||
case "and":
|
|
||||||
err := addRuleOnRoute(route, rule.RuleLeft)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
return addRuleOnRoute(route, rule.RuleRight)
|
|
||||||
case "or":
|
|
||||||
subRouter := route.Subrouter()
|
|
||||||
|
|
||||||
err := addRuleOnRouter(subRouter, rule.RuleLeft)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
return addRuleOnRouter(subRouter, rule.RuleRight)
|
|
||||||
default:
|
|
||||||
err := rules.CheckRule(rule)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
if rule.Not {
|
|
||||||
return not(httpFuncs[rule.Matcher])(route, rule.Value...)
|
|
||||||
}
|
|
||||||
|
|
||||||
return httpFuncs[rule.Matcher](route, rule.Value...)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func not(m func(*mux.Route, ...string) error) func(*mux.Route, ...string) error {
|
|
||||||
return func(r *mux.Route, v ...string) error {
|
|
||||||
router := mux.NewRouter()
|
|
||||||
|
|
||||||
err := m(router.NewRoute(), v...)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
r.MatcherFunc(func(req *http.Request, ma *mux.RouteMatch) bool {
|
|
||||||
return !router.Match(req, ma)
|
|
||||||
})
|
|
||||||
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// ParseDomains extract domains from rule.
|
// ParseDomains extract domains from rule.
|
||||||
func ParseDomains(rule string) ([]string, error) {
|
func ParseDomains(rule string) ([]string, error) {
|
||||||
var matchers []string
|
var matchers []string
|
||||||
|
@ -149,12 +88,12 @@ func ParseDomains(rule string) ([]string, error) {
|
||||||
|
|
||||||
parser, err := rules.NewParser(matchers)
|
parser, err := rules.NewParser(matchers)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return nil, err
|
return nil, fmt.Errorf("error while creating parser: %w", err)
|
||||||
}
|
}
|
||||||
|
|
||||||
parse, err := parser.Parse(rule)
|
parse, err := parser.Parse(rule)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return nil, err
|
return nil, fmt.Errorf("error while parsing rule %s: %w", rule, err)
|
||||||
}
|
}
|
||||||
|
|
||||||
buildTree, ok := parse.(rules.TreeBuilder)
|
buildTree, ok := parse.(rules.TreeBuilder)
|
||||||
|
@ -164,3 +103,97 @@ func ParseDomains(rule string) ([]string, error) {
|
||||||
|
|
||||||
return buildTree().ParseMatchers([]string{"Host"}), nil
|
return buildTree().ParseMatchers([]string{"Host"}), nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// routes implements sort.Interface.
|
||||||
|
type routes []*route
|
||||||
|
|
||||||
|
// Len implements sort.Interface.
|
||||||
|
func (r routes) Len() int { return len(r) }
|
||||||
|
|
||||||
|
// Swap implements sort.Interface.
|
||||||
|
func (r routes) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
|
||||||
|
|
||||||
|
// Less implements sort.Interface.
|
||||||
|
func (r routes) Less(i, j int) bool { return r[i].priority > r[j].priority }
|
||||||
|
|
||||||
|
// route holds the matchers to match HTTP route,
|
||||||
|
// and the handler that will serve the request.
|
||||||
|
type route struct {
|
||||||
|
// matchers tree structure reflecting the rule.
|
||||||
|
matchers matchersTree
|
||||||
|
// handler responsible for handling the route.
|
||||||
|
handler http.Handler
|
||||||
|
// priority is used to disambiguate between two (or more) rules that would all match for a given request.
|
||||||
|
// Computed from the matching rule length, if not user-set.
|
||||||
|
priority int
|
||||||
|
}
|
||||||
|
|
||||||
|
// matchersTree represents the matchers tree structure.
|
||||||
|
type matchersTree struct {
|
||||||
|
// matcher is a matcher func used to match HTTP request properties.
|
||||||
|
// If matcher is not nil, it means that this matcherTree is a leaf of the tree.
|
||||||
|
// It is therefore mutually exclusive with left and right.
|
||||||
|
matcher func(*http.Request) bool
|
||||||
|
// operator to combine the evaluation of left and right leaves.
|
||||||
|
operator string
|
||||||
|
// Mutually exclusive with matcher.
|
||||||
|
left *matchersTree
|
||||||
|
right *matchersTree
|
||||||
|
}
|
||||||
|
|
||||||
|
func (m *matchersTree) match(req *http.Request) bool {
|
||||||
|
if m == nil {
|
||||||
|
// This should never happen as it should have been detected during parsing.
|
||||||
|
log.Warn().Msg("Rule matcher is nil")
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
|
if m.matcher != nil {
|
||||||
|
return m.matcher(req)
|
||||||
|
}
|
||||||
|
|
||||||
|
switch m.operator {
|
||||||
|
case "or":
|
||||||
|
return m.left.match(req) || m.right.match(req)
|
||||||
|
case "and":
|
||||||
|
return m.left.match(req) && m.right.match(req)
|
||||||
|
default:
|
||||||
|
// This should never happen as it should have been detected during parsing.
|
||||||
|
log.Warn().Str("operator", m.operator).Msg("Invalid rule operator")
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (m *matchersTree) addRule(rule *rules.Tree) error {
|
||||||
|
switch rule.Matcher {
|
||||||
|
case "and", "or":
|
||||||
|
m.operator = rule.Matcher
|
||||||
|
m.left = &matchersTree{}
|
||||||
|
err := m.left.addRule(rule.RuleLeft)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("error while adding rule %s: %w", rule.Matcher, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
m.right = &matchersTree{}
|
||||||
|
return m.right.addRule(rule.RuleRight)
|
||||||
|
default:
|
||||||
|
err := rules.CheckRule(rule)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("error while checking rule %s: %w", rule.Matcher, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
err = httpFuncs[rule.Matcher](m, rule.Value...)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("error while adding rule %s: %w", rule.Matcher, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if rule.Not {
|
||||||
|
matcherFunc := m.matcher
|
||||||
|
m.matcher = func(req *http.Request) bool {
|
||||||
|
return !matcherFunc(req)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
|
@ -380,8 +380,6 @@ func Test_addRoutePriority(t *testing.T) {
|
||||||
require.NoError(t, err, route.rule)
|
require.NoError(t, err, route.rule)
|
||||||
}
|
}
|
||||||
|
|
||||||
muxer.SortRoutes()
|
|
||||||
|
|
||||||
w := httptest.NewRecorder()
|
w := httptest.NewRecorder()
|
||||||
req := testhelpers.MustNewRequest(http.MethodGet, test.path, http.NoBody)
|
req := testhelpers.MustNewRequest(http.MethodGet, test.path, http.NoBody)
|
||||||
|
|
||||||
|
|
|
@ -13,32 +13,6 @@ import (
|
||||||
"github.com/vulcand/predicate"
|
"github.com/vulcand/predicate"
|
||||||
)
|
)
|
||||||
|
|
||||||
// ParseHostSNI extracts the HostSNIs declared in a rule.
|
|
||||||
// This is a first naive implementation used in TCP routing.
|
|
||||||
func ParseHostSNI(rule string) ([]string, error) {
|
|
||||||
var matchers []string
|
|
||||||
for matcher := range tcpFuncs {
|
|
||||||
matchers = append(matchers, matcher)
|
|
||||||
}
|
|
||||||
|
|
||||||
parser, err := rules.NewParser(matchers)
|
|
||||||
if err != nil {
|
|
||||||
return nil, err
|
|
||||||
}
|
|
||||||
|
|
||||||
parse, err := parser.Parse(rule)
|
|
||||||
if err != nil {
|
|
||||||
return nil, err
|
|
||||||
}
|
|
||||||
|
|
||||||
buildTree, ok := parse.(rules.TreeBuilder)
|
|
||||||
if !ok {
|
|
||||||
return nil, fmt.Errorf("error while parsing rule %s", rule)
|
|
||||||
}
|
|
||||||
|
|
||||||
return buildTree().ParseMatchers([]string{"HostSNI"}), nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// ConnData contains TCP connection metadata.
|
// ConnData contains TCP connection metadata.
|
||||||
type ConnData struct {
|
type ConnData struct {
|
||||||
serverName string
|
serverName string
|
||||||
|
@ -67,7 +41,7 @@ func NewConnData(serverName string, conn tcp.WriteCloser, alpnProtos []string) (
|
||||||
|
|
||||||
// Muxer defines a muxer that handles TCP routing with rules.
|
// Muxer defines a muxer that handles TCP routing with rules.
|
||||||
type Muxer struct {
|
type Muxer struct {
|
||||||
routes []*route
|
routes routes
|
||||||
parser predicate.Parser
|
parser predicate.Parser
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -114,9 +88,9 @@ func (m *Muxer) AddRoute(rule string, priority int, handler tcp.Handler) error {
|
||||||
ruleTree := buildTree()
|
ruleTree := buildTree()
|
||||||
|
|
||||||
var matchers matchersTree
|
var matchers matchersTree
|
||||||
err = addRule(&matchers, ruleTree)
|
err = matchers.addRule(ruleTree)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
return fmt.Errorf("error while adding rule %s: %w", rule, err)
|
||||||
}
|
}
|
||||||
|
|
||||||
var catchAll bool
|
var catchAll bool
|
||||||
|
@ -144,41 +118,7 @@ func (m *Muxer) AddRoute(rule string, priority int, handler tcp.Handler) error {
|
||||||
}
|
}
|
||||||
m.routes = append(m.routes, newRoute)
|
m.routes = append(m.routes, newRoute)
|
||||||
|
|
||||||
sort.Sort(routes(m.routes))
|
sort.Sort(m.routes)
|
||||||
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
|
|
||||||
func addRule(tree *matchersTree, rule *rules.Tree) error {
|
|
||||||
switch rule.Matcher {
|
|
||||||
case "and", "or":
|
|
||||||
tree.operator = rule.Matcher
|
|
||||||
tree.left = &matchersTree{}
|
|
||||||
err := addRule(tree.left, rule.RuleLeft)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
tree.right = &matchersTree{}
|
|
||||||
return addRule(tree.right, rule.RuleRight)
|
|
||||||
default:
|
|
||||||
err := rules.CheckRule(rule)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
err = tcpFuncs[rule.Matcher](tree, rule.Value...)
|
|
||||||
if err != nil {
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
if rule.Not {
|
|
||||||
matcherFunc := tree.matcher
|
|
||||||
tree.matcher = func(meta ConnData) bool {
|
|
||||||
return !matcherFunc(meta)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
@ -188,6 +128,32 @@ func (m *Muxer) HasRoutes() bool {
|
||||||
return len(m.routes) > 0
|
return len(m.routes) > 0
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// ParseHostSNI extracts the HostSNIs declared in a rule.
|
||||||
|
// This is a first naive implementation used in TCP routing.
|
||||||
|
func ParseHostSNI(rule string) ([]string, error) {
|
||||||
|
var matchers []string
|
||||||
|
for matcher := range tcpFuncs {
|
||||||
|
matchers = append(matchers, matcher)
|
||||||
|
}
|
||||||
|
|
||||||
|
parser, err := rules.NewParser(matchers)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
parse, err := parser.Parse(rule)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
buildTree, ok := parse.(rules.TreeBuilder)
|
||||||
|
if !ok {
|
||||||
|
return nil, fmt.Errorf("error while parsing rule %s", rule)
|
||||||
|
}
|
||||||
|
|
||||||
|
return buildTree().ParseMatchers([]string{"HostSNI"}), nil
|
||||||
|
}
|
||||||
|
|
||||||
// routes implements sort.Interface.
|
// routes implements sort.Interface.
|
||||||
type routes []*route
|
type routes []*route
|
||||||
|
|
||||||
|
@ -215,14 +181,12 @@ type route struct {
|
||||||
priority int
|
priority int
|
||||||
}
|
}
|
||||||
|
|
||||||
// matcher is a matcher func used to match connection properties.
|
|
||||||
type matcher func(meta ConnData) bool
|
|
||||||
|
|
||||||
// matchersTree represents the matchers tree structure.
|
// matchersTree represents the matchers tree structure.
|
||||||
type matchersTree struct {
|
type matchersTree struct {
|
||||||
|
// matcher is a matcher func used to match connection properties.
|
||||||
// If matcher is not nil, it means that this matcherTree is a leaf of the tree.
|
// If matcher is not nil, it means that this matcherTree is a leaf of the tree.
|
||||||
// It is therefore mutually exclusive with left and right.
|
// It is therefore mutually exclusive with left and right.
|
||||||
matcher matcher
|
matcher func(ConnData) bool
|
||||||
// operator to combine the evaluation of left and right leaves.
|
// operator to combine the evaluation of left and right leaves.
|
||||||
operator string
|
operator string
|
||||||
// Mutually exclusive with matcher.
|
// Mutually exclusive with matcher.
|
||||||
|
@ -252,3 +216,37 @@ func (m *matchersTree) match(meta ConnData) bool {
|
||||||
return false
|
return false
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func (m *matchersTree) addRule(rule *rules.Tree) error {
|
||||||
|
switch rule.Matcher {
|
||||||
|
case "and", "or":
|
||||||
|
m.operator = rule.Matcher
|
||||||
|
m.left = &matchersTree{}
|
||||||
|
err := m.left.addRule(rule.RuleLeft)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
m.right = &matchersTree{}
|
||||||
|
return m.right.addRule(rule.RuleRight)
|
||||||
|
default:
|
||||||
|
err := rules.CheckRule(rule)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
err = tcpFuncs[rule.Matcher](m, rule.Value...)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
if rule.Not {
|
||||||
|
matcherFunc := m.matcher
|
||||||
|
m.matcher = func(meta ConnData) bool {
|
||||||
|
return !matcherFunc(meta)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
|
@ -134,8 +134,6 @@ func (m *Manager) buildEntryPointHandler(ctx context.Context, configs map[string
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
muxer.SortRoutes()
|
|
||||||
|
|
||||||
chain := alice.New()
|
chain := alice.New()
|
||||||
chain = chain.Append(func(next http.Handler) (http.Handler, error) {
|
chain = chain.Append(func(next http.Handler) (http.Handler, error) {
|
||||||
return recovery.New(ctx, next)
|
return recovery.New(ctx, next)
|
||||||
|
|
Loading…
Reference in a new issue