Bump gorilla/mux version.
This commit is contained in:
parent
3f650bbd11
commit
32b2736efd
7 changed files with 273 additions and 62 deletions
2
glide.lock
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2
glide.lock
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@ -87,7 +87,7 @@ imports:
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- name: github.com/containous/flaeg
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version: b5d2dc5878df07c2d74413348186982e7b865871
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- name: github.com/containous/mux
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version: a819b77bba13f0c0cbe36e437bc2e948411b3996
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version: af6ea922f7683d9706834157e6b0610e22ccb2db
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- name: github.com/containous/staert
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version: 1e26a71803e428fd933f5f9c8e50a26878f53147
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- name: github.com/coreos/etcd
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26
vendor/github.com/containous/mux/context_gorilla.go
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26
vendor/github.com/containous/mux/context_gorilla.go
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@ -0,0 +1,26 @@
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// +build !go1.7
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package mux
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import (
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"net/http"
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"github.com/gorilla/context"
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)
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func contextGet(r *http.Request, key interface{}) interface{} {
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return context.Get(r, key)
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}
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func contextSet(r *http.Request, key, val interface{}) *http.Request {
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if val == nil {
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return r
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}
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context.Set(r, key, val)
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return r
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}
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func contextClear(r *http.Request) {
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context.Clear(r)
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}
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24
vendor/github.com/containous/mux/context_native.go
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24
vendor/github.com/containous/mux/context_native.go
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@ -0,0 +1,24 @@
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// +build go1.7
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package mux
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import (
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"context"
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"net/http"
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)
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func contextGet(r *http.Request, key interface{}) interface{} {
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return r.Context().Value(key)
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}
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func contextSet(r *http.Request, key, val interface{}) *http.Request {
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if val == nil {
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return r
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}
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return r.WithContext(context.WithValue(r.Context(), key, val))
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}
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func contextClear(r *http.Request) {
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return
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}
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46
vendor/github.com/containous/mux/doc.go
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46
vendor/github.com/containous/mux/doc.go
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@ -12,8 +12,8 @@ or other conditions. The main features are:
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* Requests can be matched based on URL host, path, path prefix, schemes,
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header and query values, HTTP methods or using custom matchers.
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* URL hosts and paths can have variables with an optional regular
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expression.
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* URL hosts, paths and query values can have variables with an optional
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regular expression.
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* Registered URLs can be built, or "reversed", which helps maintaining
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references to resources.
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* Routes can be used as subrouters: nested routes are only tested if the
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@ -47,12 +47,21 @@ variable will be anything until the next slash. For example:
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r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler)
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r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler)
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Groups can be used inside patterns, as long as they are non-capturing (?:re). For example:
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r.HandleFunc("/articles/{category}/{sort:(?:asc|desc|new)}", ArticlesCategoryHandler)
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The names are used to create a map of route variables which can be retrieved
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calling mux.Vars():
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vars := mux.Vars(request)
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category := vars["category"]
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Note that if any capturing groups are present, mux will panic() during parsing. To prevent
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this, convert any capturing groups to non-capturing, e.g. change "/{sort:(asc|desc)}" to
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"/{sort:(?:asc|desc)}". This is a change from prior versions which behaved unpredictably
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when capturing groups were present.
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And this is all you need to know about the basic usage. More advanced options
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are explained below.
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@ -136,6 +145,31 @@ the inner routes use it as base for their paths:
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// "/products/{key}/details"
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s.HandleFunc("/{key}/details", ProductDetailsHandler)
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Note that the path provided to PathPrefix() represents a "wildcard": calling
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PathPrefix("/static/").Handler(...) means that the handler will be passed any
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request that matches "/static/*". This makes it easy to serve static files with mux:
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func main() {
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var dir string
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flag.StringVar(&dir, "dir", ".", "the directory to serve files from. Defaults to the current dir")
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flag.Parse()
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r := mux.NewRouter()
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// This will serve files under http://localhost:8000/static/<filename>
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r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir(dir))))
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srv := &http.Server{
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Handler: r,
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Addr: "127.0.0.1:8000",
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// Good practice: enforce timeouts for servers you create!
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WriteTimeout: 15 * time.Second,
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ReadTimeout: 15 * time.Second,
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}
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log.Fatal(srv.ListenAndServe())
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}
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Now let's see how to build registered URLs.
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Routes can be named. All routes that define a name can have their URLs built,
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@ -154,18 +188,20 @@ key/value pairs for the route variables. For the previous route, we would do:
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"/articles/technology/42"
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This also works for host variables:
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This also works for host and query value variables:
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r := mux.NewRouter()
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r.Host("{subdomain}.domain.com").
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Path("/articles/{category}/{id:[0-9]+}").
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Queries("filter", "{filter}").
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HandlerFunc(ArticleHandler).
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Name("article")
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// url.String() will be "http://news.domain.com/articles/technology/42"
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// url.String() will be "http://news.domain.com/articles/technology/42?filter=gorilla"
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url, err := r.Get("article").URL("subdomain", "news",
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"category", "technology",
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"id", "42")
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"id", "42",
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"filter", "gorilla")
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All variables defined in the route are required, and their values must
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conform to the corresponding patterns. These requirements guarantee that a
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94
vendor/github.com/containous/mux/mux.go
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94
vendor/github.com/containous/mux/mux.go
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@ -11,8 +11,7 @@ import (
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"path"
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"regexp"
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"sort"
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"github.com/gorilla/context"
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"strings"
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)
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// NewRouter returns a new router instance.
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@ -51,8 +50,12 @@ type Router struct {
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strictSlash bool
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// See Router.SkipClean(). This defines the flag for new routes.
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skipClean bool
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// If true, do not clear the request context after handling the request
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// If true, do not clear the request context after handling the request.
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// This has no effect when go1.7+ is used, since the context is stored
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// on the request itself.
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KeepContext bool
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// see Router.UseEncodedPath(). This defines a flag for all routes.
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useEncodedPath bool
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}
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// Match matches registered routes against the request.
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@ -77,8 +80,12 @@ func (r *Router) Match(req *http.Request, match *RouteMatch) bool {
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// mux.Vars(request).
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func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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if !r.skipClean {
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path := req.URL.Path
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if r.useEncodedPath {
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path = getPath(req)
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}
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// Clean path to canonical form and redirect.
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if p := cleanPath(req.URL.Path); p != req.URL.Path {
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if p := cleanPath(path); p != path {
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// Added 3 lines (Philip Schlump) - It was dropping the query string and #whatever from query.
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// This matches with fix in go 1.2 r.c. 4 for same problem. Go Issue:
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@ -96,14 +103,14 @@ func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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var handler http.Handler
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if r.Match(req, &match) {
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handler = match.Handler
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setVars(req, match.Vars)
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setCurrentRoute(req, match.Route)
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req = setVars(req, match.Vars)
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req = setCurrentRoute(req, match.Route)
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}
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if handler == nil {
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handler = http.NotFoundHandler()
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}
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if !r.KeepContext {
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defer context.Clear(req)
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defer contextClear(req)
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}
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handler.ServeHTTP(w, req)
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}
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@ -151,10 +158,32 @@ func (r *Router) SkipClean(value bool) *Router {
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return r
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}
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// UseEncodedPath tells the router to match the encoded original path
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// to the routes.
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// For eg. "/path/foo%2Fbar/to" will match the path "/path/{var}/to".
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// This behavior has the drawback of needing to match routes against
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// r.RequestURI instead of r.URL.Path. Any modifications (such as http.StripPrefix)
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// to r.URL.Path will not affect routing when this flag is on and thus may
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// induce unintended behavior.
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//
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// If not called, the router will match the unencoded path to the routes.
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// For eg. "/path/foo%2Fbar/to" will match the path "/path/foo/bar/to"
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func (r *Router) UseEncodedPath() *Router {
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r.useEncodedPath = true
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return r
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}
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// ----------------------------------------------------------------------------
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// parentRoute
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// ----------------------------------------------------------------------------
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func (r *Router) getBuildScheme() string {
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if r.parent != nil {
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return r.parent.getBuildScheme()
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}
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return ""
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}
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// getNamedRoutes returns the map where named routes are registered.
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func (r *Router) getNamedRoutes() map[string]*Route {
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if r.namedRoutes == nil {
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@ -188,7 +217,7 @@ func (r *Router) buildVars(m map[string]string) map[string]string {
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// NewRoute registers an empty route.
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func (r *Router) NewRoute() *Route {
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route := &Route{parent: r, strictSlash: r.strictSlash, skipClean: r.skipClean}
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route := &Route{parent: r, strictSlash: r.strictSlash, skipClean: r.skipClean, useEncodedPath: r.useEncodedPath}
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r.routes = append(r.routes, route)
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return route
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}
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@ -278,20 +307,21 @@ type WalkFunc func(route *Route, router *Router, ancestors []*Route) error
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func (r *Router) walk(walkFn WalkFunc, ancestors []*Route) error {
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for _, t := range r.routes {
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if t.regexp == nil || t.regexp.path == nil || t.regexp.path.template == "" {
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continue
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}
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err := walkFn(t, r, ancestors)
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if err == SkipRouter {
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continue
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}
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if err != nil {
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return err
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}
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for _, sr := range t.matchers {
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if h, ok := sr.(*Router); ok {
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ancestors = append(ancestors, t)
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err := h.walk(walkFn, ancestors)
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if err != nil {
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return err
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}
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ancestors = ancestors[:len(ancestors)-1]
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}
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}
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if h, ok := t.handler.(*Router); ok {
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@ -337,7 +367,7 @@ const (
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// Vars returns the route variables for the current request, if any.
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func Vars(r *http.Request) map[string]string {
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if rv := context.Get(r, varsKey); rv != nil {
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if rv := contextGet(r, varsKey); rv != nil {
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return rv.(map[string]string)
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}
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return nil
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@ -349,28 +379,46 @@ func Vars(r *http.Request) map[string]string {
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// after the handler returns, unless the KeepContext option is set on the
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// Router.
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func CurrentRoute(r *http.Request) *Route {
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if rv := context.Get(r, routeKey); rv != nil {
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if rv := contextGet(r, routeKey); rv != nil {
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return rv.(*Route)
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}
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return nil
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}
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func setVars(r *http.Request, val interface{}) {
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if val != nil {
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context.Set(r, varsKey, val)
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}
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func setVars(r *http.Request, val interface{}) *http.Request {
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return contextSet(r, varsKey, val)
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}
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func setCurrentRoute(r *http.Request, val interface{}) {
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if val != nil {
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context.Set(r, routeKey, val)
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}
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func setCurrentRoute(r *http.Request, val interface{}) *http.Request {
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return contextSet(r, routeKey, val)
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}
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// ----------------------------------------------------------------------------
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// Helpers
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// ----------------------------------------------------------------------------
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// getPath returns the escaped path if possible; doing what URL.EscapedPath()
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// which was added in go1.5 does
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func getPath(req *http.Request) string {
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if req.RequestURI != "" {
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// Extract the path from RequestURI (which is escaped unlike URL.Path)
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// as detailed here as detailed in https://golang.org/pkg/net/url/#URL
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// for < 1.5 server side workaround
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// http://localhost/path/here?v=1 -> /path/here
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path := req.RequestURI
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path = strings.TrimPrefix(path, req.URL.Scheme+`://`)
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path = strings.TrimPrefix(path, req.URL.Host)
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if i := strings.LastIndex(path, "?"); i > -1 {
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path = path[:i]
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}
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if i := strings.LastIndex(path, "#"); i > -1 {
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path = path[:i]
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}
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return path
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}
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return req.URL.Path
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}
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// cleanPath returns the canonical path for p, eliminating . and .. elements.
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// Borrowed from the net/http package.
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func cleanPath(p string) string {
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@ -427,7 +475,7 @@ func mapFromPairsToString(pairs ...string) (map[string]string, error) {
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return m, nil
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}
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// mapFromPairsToRegex converts variadic string paramers to a
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// mapFromPairsToRegex converts variadic string parameters to a
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// string to regex map.
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func mapFromPairsToRegex(pairs ...string) (map[string]*regexp.Regexp, error) {
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length, err := checkPairs(pairs...)
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62
vendor/github.com/containous/mux/regexp.go
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62
vendor/github.com/containous/mux/regexp.go
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@ -24,7 +24,7 @@ import (
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// Previously we accepted only Python-like identifiers for variable
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// names ([a-zA-Z_][a-zA-Z0-9_]*), but currently the only restriction is that
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// name and pattern can't be empty, and names can't contain a colon.
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func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash bool) (*routeRegexp, error) {
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func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash, useEncodedPath bool) (*routeRegexp, error) {
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// Check if it is well-formed.
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idxs, errBraces := braceIndices(tpl)
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if errBraces != nil {
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@ -35,7 +35,7 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash
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// Now let's parse it.
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defaultPattern := "[^/]+"
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if matchQuery {
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defaultPattern = "[^?&]*"
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defaultPattern = ".*"
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} else if matchHost {
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defaultPattern = "[^.]+"
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matchPrefix = false
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@ -109,16 +109,24 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash
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if errCompile != nil {
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return nil, errCompile
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}
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// Check for capturing groups which used to work in older versions
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if reg.NumSubexp() != len(idxs)/2 {
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panic(fmt.Sprintf("route %s contains capture groups in its regexp. ", template) +
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"Only non-capturing groups are accepted: e.g. (?:pattern) instead of (pattern)")
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}
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// Done!
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return &routeRegexp{
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template: template,
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matchHost: matchHost,
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matchQuery: matchQuery,
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strictSlash: strictSlash,
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regexp: reg,
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reverse: reverse.String(),
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varsN: varsN,
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varsR: varsR,
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template: template,
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matchHost: matchHost,
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matchQuery: matchQuery,
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strictSlash: strictSlash,
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useEncodedPath: useEncodedPath,
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regexp: reg,
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reverse: reverse.String(),
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varsN: varsN,
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varsR: varsR,
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}, nil
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}
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@ -133,6 +141,9 @@ type routeRegexp struct {
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matchQuery bool
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// The strictSlash value defined on the route, but disabled if PathPrefix was used.
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strictSlash bool
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// Determines whether to use encoded path from getPath function or unencoded
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// req.URL.Path for path matching
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useEncodedPath bool
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// Expanded regexp.
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regexp *regexp.Regexp
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// Reverse template.
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@ -149,8 +160,11 @@ func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool {
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if r.matchQuery {
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return r.matchQueryString(req)
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}
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return r.regexp.MatchString(req.URL.Path)
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path := req.URL.Path
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if r.useEncodedPath {
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path = getPath(req)
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}
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return r.regexp.MatchString(path)
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}
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return r.regexp.MatchString(getHost(req))
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@ -164,6 +178,9 @@ func (r *routeRegexp) url(values map[string]string) (string, error) {
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if !ok {
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return "", fmt.Errorf("mux: missing route variable %q", v)
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}
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if r.matchQuery {
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value = url.QueryEscape(value)
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}
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urlValues[k] = value
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}
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rv := fmt.Sprintf(r.reverse, urlValues...)
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@ -253,14 +270,18 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route)
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extractVars(host, matches, v.host.varsN, m.Vars)
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}
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}
|
||||
path := req.URL.Path
|
||||
if r.useEncodedPath {
|
||||
path = getPath(req)
|
||||
}
|
||||
// Store path variables.
|
||||
if v.path != nil {
|
||||
matches := v.path.regexp.FindStringSubmatchIndex(req.URL.Path)
|
||||
matches := v.path.regexp.FindStringSubmatchIndex(path)
|
||||
if len(matches) > 0 {
|
||||
extractVars(req.URL.Path, matches, v.path.varsN, m.Vars)
|
||||
extractVars(path, matches, v.path.varsN, m.Vars)
|
||||
// Check if we should redirect.
|
||||
if v.path.strictSlash {
|
||||
p1 := strings.HasSuffix(req.URL.Path, "/")
|
||||
p1 := strings.HasSuffix(path, "/")
|
||||
p2 := strings.HasSuffix(v.path.template, "/")
|
||||
if p1 != p2 {
|
||||
u, _ := url.Parse(req.URL.String())
|
||||
|
@ -299,14 +320,7 @@ func getHost(r *http.Request) string {
|
|||
}
|
||||
|
||||
func extractVars(input string, matches []int, names []string, output map[string]string) {
|
||||
matchesCount := 0
|
||||
prevEnd := -1
|
||||
for i := 2; i < len(matches) && matchesCount < len(names); i += 2 {
|
||||
if prevEnd < matches[i+1] {
|
||||
value := input[matches[i]:matches[i+1]]
|
||||
output[names[matchesCount]] = value
|
||||
prevEnd = matches[i+1]
|
||||
matchesCount++
|
||||
}
|
||||
for i, name := range names {
|
||||
output[name] = input[matches[2*i+2]:matches[2*i+3]]
|
||||
}
|
||||
}
|
||||
|
|
81
vendor/github.com/containous/mux/route.go
generated
vendored
81
vendor/github.com/containous/mux/route.go
generated
vendored
|
@ -29,6 +29,10 @@ type Route struct {
|
|||
// If true, when the path pattern is "/path//to", accessing "/path//to"
|
||||
// will not redirect
|
||||
skipClean bool
|
||||
// If true, "/path/foo%2Fbar/to" will match the path "/path/{var}/to"
|
||||
useEncodedPath bool
|
||||
// The scheme used when building URLs.
|
||||
buildScheme string
|
||||
// If true, this route never matches: it is only used to build URLs.
|
||||
buildOnly bool
|
||||
// The name used to build URLs.
|
||||
|
@ -166,14 +170,14 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery
|
|||
}
|
||||
r.regexp = r.getRegexpGroup()
|
||||
if !matchHost && !matchQuery {
|
||||
if len(tpl) == 0 || tpl[0] != '/' {
|
||||
if len(tpl) > 0 && tpl[0] != '/' {
|
||||
return fmt.Errorf("mux: path must start with a slash, got %q", tpl)
|
||||
}
|
||||
if r.regexp.path != nil {
|
||||
tpl = strings.TrimRight(r.regexp.path.template, "/") + tpl
|
||||
}
|
||||
}
|
||||
rr, err := newRouteRegexp(tpl, matchHost, matchPrefix, matchQuery, r.strictSlash)
|
||||
rr, err := newRouteRegexp(tpl, matchHost, matchPrefix, matchQuery, r.strictSlash, r.useEncodedPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
@ -407,6 +411,9 @@ func (r *Route) Schemes(schemes ...string) *Route {
|
|||
for k, v := range schemes {
|
||||
schemes[k] = strings.ToLower(v)
|
||||
}
|
||||
if r.buildScheme == "" && len(schemes) > 0 {
|
||||
r.buildScheme = schemes[0]
|
||||
}
|
||||
return r.addMatcher(schemeMatcher(schemes))
|
||||
}
|
||||
|
||||
|
@ -490,22 +497,33 @@ func (r *Route) URL(pairs ...string) (*url.URL, error) {
|
|||
return nil, err
|
||||
}
|
||||
var scheme, host, path string
|
||||
queries := make([]string, 0, len(r.regexp.queries))
|
||||
if r.regexp.host != nil {
|
||||
// Set a default scheme.
|
||||
scheme = "http"
|
||||
if host, err = r.regexp.host.url(values); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
scheme = "http"
|
||||
if s := r.getBuildScheme(); s != "" {
|
||||
scheme = s
|
||||
}
|
||||
}
|
||||
if r.regexp.path != nil {
|
||||
if path, err = r.regexp.path.url(values); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
for _, q := range r.regexp.queries {
|
||||
var query string
|
||||
if query, err = q.url(values); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
queries = append(queries, query)
|
||||
}
|
||||
return &url.URL{
|
||||
Scheme: scheme,
|
||||
Host: host,
|
||||
Path: path,
|
||||
Scheme: scheme,
|
||||
Host: host,
|
||||
Path: path,
|
||||
RawQuery: strings.Join(queries, "&"),
|
||||
}, nil
|
||||
}
|
||||
|
||||
|
@ -527,10 +545,14 @@ func (r *Route) URLHost(pairs ...string) (*url.URL, error) {
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &url.URL{
|
||||
u := &url.URL{
|
||||
Scheme: "http",
|
||||
Host: host,
|
||||
}, nil
|
||||
}
|
||||
if s := r.getBuildScheme(); s != "" {
|
||||
u.Scheme = s
|
||||
}
|
||||
return u, nil
|
||||
}
|
||||
|
||||
// URLPath builds the path part of the URL for a route. See Route.URL().
|
||||
|
@ -571,6 +593,36 @@ func (r *Route) GetPathTemplate() (string, error) {
|
|||
return r.regexp.path.template, nil
|
||||
}
|
||||
|
||||
// GetPathRegexp returns the expanded regular expression used to match route path.
|
||||
// This is useful for building simple REST API documentation and for instrumentation
|
||||
// against third-party services.
|
||||
// An error will be returned if the route does not define a path.
|
||||
func (r *Route) GetPathRegexp() (string, error) {
|
||||
if r.err != nil {
|
||||
return "", r.err
|
||||
}
|
||||
if r.regexp == nil || r.regexp.path == nil {
|
||||
return "", errors.New("mux: route does not have a path")
|
||||
}
|
||||
return r.regexp.path.regexp.String(), nil
|
||||
}
|
||||
|
||||
// GetMethods returns the methods the route matches against
|
||||
// This is useful for building simple REST API documentation and for instrumentation
|
||||
// against third-party services.
|
||||
// An empty list will be returned if route does not have methods.
|
||||
func (r *Route) GetMethods() ([]string, error) {
|
||||
if r.err != nil {
|
||||
return nil, r.err
|
||||
}
|
||||
for _, m := range r.matchers {
|
||||
if methods, ok := m.(methodMatcher); ok {
|
||||
return []string(methods), nil
|
||||
}
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// GetHostTemplate returns the template used to build the
|
||||
// route match.
|
||||
// This is useful for building simple REST API documentation and for instrumentation
|
||||
|
@ -612,11 +664,22 @@ func (r *Route) buildVars(m map[string]string) map[string]string {
|
|||
|
||||
// parentRoute allows routes to know about parent host and path definitions.
|
||||
type parentRoute interface {
|
||||
getBuildScheme() string
|
||||
getNamedRoutes() map[string]*Route
|
||||
getRegexpGroup() *routeRegexpGroup
|
||||
buildVars(map[string]string) map[string]string
|
||||
}
|
||||
|
||||
func (r *Route) getBuildScheme() string {
|
||||
if r.buildScheme != "" {
|
||||
return r.buildScheme
|
||||
}
|
||||
if r.parent != nil {
|
||||
return r.parent.getBuildScheme()
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// getNamedRoutes returns the map where named routes are registered.
|
||||
func (r *Route) getNamedRoutes() map[string]*Route {
|
||||
if r.parent == nil {
|
||||
|
|
Loading…
Reference in a new issue