diff --git a/vendor/github.com/gorilla/mux/.travis.yml b/vendor/github.com/gorilla/mux/.travis.yml index f93ce56..d003ad9 100644 --- a/vendor/github.com/gorilla/mux/.travis.yml +++ b/vendor/github.com/gorilla/mux/.travis.yml @@ -1,14 +1,17 @@ language: go -sudo: false + matrix: include: - - go: 1.2 - - go: 1.3 - - go: 1.4 - - go: 1.5 - - go: 1.6 - - go: 1.7 + - go: 1.7.x + - go: 1.8.x + - go: 1.9.x + - go: 1.10.x + - go: 1.11.x + - go: 1.x + env: LATEST=true + - go: tip + allow_failures: - go: tip install: @@ -17,5 +20,5 @@ install: script: - go get -t -v ./... - diff -u <(echo -n) <(gofmt -d .) - - go tool vet . + - if [[ "$LATEST" = true ]]; then go vet .; fi - go test -v -race ./... diff --git a/vendor/github.com/gorilla/mux/AUTHORS b/vendor/github.com/gorilla/mux/AUTHORS new file mode 100644 index 0000000..b722392 --- /dev/null +++ b/vendor/github.com/gorilla/mux/AUTHORS @@ -0,0 +1,8 @@ +# This is the official list of gorilla/mux authors for copyright purposes. +# +# Please keep the list sorted. + +Google LLC (https://opensource.google.com/) +Kamil Kisielk +Matt Silverlock +Rodrigo Moraes (https://github.com/moraes) diff --git a/vendor/github.com/gorilla/mux/ISSUE_TEMPLATE.md b/vendor/github.com/gorilla/mux/ISSUE_TEMPLATE.md new file mode 100644 index 0000000..232be82 --- /dev/null +++ b/vendor/github.com/gorilla/mux/ISSUE_TEMPLATE.md @@ -0,0 +1,11 @@ +**What version of Go are you running?** (Paste the output of `go version`) + + +**What version of gorilla/mux are you at?** (Paste the output of `git rev-parse HEAD` inside `$GOPATH/src/github.com/gorilla/mux`) + + +**Describe your problem** (and what you have tried so far) + + +**Paste a minimal, runnable, reproduction of your issue below** (use backticks to format it) + diff --git a/vendor/github.com/gorilla/mux/LICENSE b/vendor/github.com/gorilla/mux/LICENSE index 0e5fb87..6903df6 100644 --- a/vendor/github.com/gorilla/mux/LICENSE +++ b/vendor/github.com/gorilla/mux/LICENSE @@ -1,4 +1,4 @@ -Copyright (c) 2012 Rodrigo Moraes. All rights reserved. +Copyright (c) 2012-2018 The Gorilla Authors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are diff --git a/vendor/github.com/gorilla/mux/README.md b/vendor/github.com/gorilla/mux/README.md index 94d396c..c661599 100644 --- a/vendor/github.com/gorilla/mux/README.md +++ b/vendor/github.com/gorilla/mux/README.md @@ -1,11 +1,12 @@ -gorilla/mux -=== +# gorilla/mux + [![GoDoc](https://godoc.org/github.com/gorilla/mux?status.svg)](https://godoc.org/github.com/gorilla/mux) [![Build Status](https://travis-ci.org/gorilla/mux.svg?branch=master)](https://travis-ci.org/gorilla/mux) +[![Sourcegraph](https://sourcegraph.com/github.com/gorilla/mux/-/badge.svg)](https://sourcegraph.com/github.com/gorilla/mux?badge) ![Gorilla Logo](http://www.gorillatoolkit.org/static/images/gorilla-icon-64.png) -http://www.gorillatoolkit.org/pkg/mux +https://www.gorillatoolkit.org/pkg/mux Package `gorilla/mux` implements a request router and dispatcher for matching incoming requests to their respective handler. @@ -14,7 +15,7 @@ The name mux stands for "HTTP request multiplexer". Like the standard `http.Serv * It implements the `http.Handler` interface so it is compatible with the standard `http.ServeMux`. * Requests can be matched based on URL host, path, path prefix, schemes, header and query values, HTTP methods or using custom matchers. -* URL hosts and paths can have variables with an optional regular expression. +* URL hosts, paths and query values can have variables with an optional regular expression. * Registered URLs can be built, or "reversed", which helps maintaining references to resources. * Routes can be used as subrouters: nested routes are only tested if the parent route matches. This is useful to define groups of routes that share common conditions like a host, a path prefix or other repeated attributes. As a bonus, this optimizes request matching. @@ -23,9 +24,12 @@ The name mux stands for "HTTP request multiplexer". Like the standard `http.Serv * [Install](#install) * [Examples](#examples) * [Matching Routes](#matching-routes) -* [Listing Routes](#listing-routes) * [Static Files](#static-files) * [Registered URLs](#registered-urls) +* [Walking Routes](#walking-routes) +* [Graceful Shutdown](#graceful-shutdown) +* [Middleware](#middleware) +* [Testing Handlers](#testing-handlers) * [Full Example](#full-example) --- @@ -44,11 +48,11 @@ Let's start registering a couple of URL paths and handlers: ```go func main() { - r := mux.NewRouter() - r.HandleFunc("/", HomeHandler) - r.HandleFunc("/products", ProductsHandler) - r.HandleFunc("/articles", ArticlesHandler) - http.Handle("/", r) + r := mux.NewRouter() + r.HandleFunc("/", HomeHandler) + r.HandleFunc("/products", ProductsHandler) + r.HandleFunc("/articles", ArticlesHandler) + http.Handle("/", r) } ``` @@ -67,9 +71,9 @@ The names are used to create a map of route variables which can be retrieved cal ```go func ArticlesCategoryHandler(w http.ResponseWriter, r *http.Request) { - vars := mux.Vars(r) - w.WriteHeader(http.StatusOK) - fmt.Fprintf(w, "Category: %v\n", vars["category"]) + vars := mux.Vars(r) + w.WriteHeader(http.StatusOK) + fmt.Fprintf(w, "Category: %v\n", vars["category"]) } ``` @@ -84,7 +88,7 @@ r := mux.NewRouter() // Only matches if domain is "www.example.com". r.Host("www.example.com") // Matches a dynamic subdomain. -r.Host("{subdomain:[a-z]+}.domain.com") +r.Host("{subdomain:[a-z]+}.example.com") ``` There are several other matchers that can be added. To match path prefixes: @@ -121,7 +125,7 @@ r.Queries("key", "value") ```go r.MatcherFunc(func(r *http.Request, rm *RouteMatch) bool { - return r.ProtoMajor == 0 + return r.ProtoMajor == 0 }) ``` @@ -134,6 +138,14 @@ r.HandleFunc("/products", ProductsHandler). Schemes("http") ``` +Routes are tested in the order they were added to the router. If two routes match, the first one wins: + +```go +r := mux.NewRouter() +r.HandleFunc("/specific", specificHandler) +r.PathPrefix("/").Handler(catchAllHandler) +``` + Setting the same matching conditions again and again can be boring, so we have a way to group several routes that share the same requirements. We call it "subrouting". For example, let's say we have several URLs that should only match when the host is `www.example.com`. Create a route for that host and get a "subrouter" from it: @@ -168,68 +180,33 @@ s.HandleFunc("/{key}/", ProductHandler) s.HandleFunc("/{key}/details", ProductDetailsHandler) ``` -### Listing Routes - -Routes on a mux can be listed using the Router.Walk method—useful for generating documentation: - -```go -package main - -import ( - "fmt" - "net/http" - - "github.com/gorilla/mux" -) - -func handler(w http.ResponseWriter, r *http.Request) { - return -} - -func main() { - r := mux.NewRouter() - r.HandleFunc("/", handler) - r.HandleFunc("/products", handler) - r.HandleFunc("/articles", handler) - r.HandleFunc("/articles/{id}", handler) - r.Walk(func(route *mux.Route, router *mux.Router, ancestors []*mux.Route) error { - t, err := route.GetPathTemplate() - if err != nil { - return err - } - fmt.Println(t) - return nil - }) - http.Handle("/", r) -} -``` ### Static Files Note that the path provided to `PathPrefix()` represents a "wildcard": calling `PathPrefix("/static/").Handler(...)` means that the handler will be passed any -request that matches "/static/*". This makes it easy to serve static files with mux: +request that matches "/static/\*". This makes it easy to serve static files with mux: ```go func main() { - var dir string + var dir string - flag.StringVar(&dir, "dir", ".", "the directory to serve files from. Defaults to the current dir") - flag.Parse() - r := mux.NewRouter() + flag.StringVar(&dir, "dir", ".", "the directory to serve files from. Defaults to the current dir") + flag.Parse() + r := mux.NewRouter() - // This will serve files under http://localhost:8000/static/ - r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir(dir)))) + // This will serve files under http://localhost:8000/static/ + r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir(dir)))) - srv := &http.Server{ - Handler: r, - Addr: "127.0.0.1:8000", - // Good practice: enforce timeouts for servers you create! - WriteTimeout: 15 * time.Second, - ReadTimeout: 15 * time.Second, - } + srv := &http.Server{ + Handler: r, + Addr: "127.0.0.1:8000", + // Good practice: enforce timeouts for servers you create! + WriteTimeout: 15 * time.Second, + ReadTimeout: 15 * time.Second, + } - log.Fatal(srv.ListenAndServe()) + log.Fatal(srv.ListenAndServe()) } ``` @@ -257,19 +234,21 @@ url, err := r.Get("article").URL("category", "technology", "id", "42") "/articles/technology/42" ``` -This also works for host variables: +This also works for host and query value variables: ```go r := mux.NewRouter() -r.Host("{subdomain}.domain.com"). +r.Host("{subdomain}.example.com"). Path("/articles/{category}/{id:[0-9]+}"). + Queries("filter", "{filter}"). HandlerFunc(ArticleHandler). Name("article") -// url.String() will be "http://news.domain.com/articles/technology/42" +// url.String() will be "http://news.example.com/articles/technology/42?filter=gorilla" url, err := r.Get("article").URL("subdomain", "news", "category", "technology", - "id", "42") + "id", "42", + "filter", "gorilla") ``` All variables defined in the route are required, and their values must conform to the corresponding patterns. These requirements guarantee that a generated URL will always match a registered route -- the only exception is for explicitly defined "build-only" routes which never match. @@ -285,7 +264,7 @@ r.HeadersRegexp("Content-Type", "application/(text|json)") There's also a way to build only the URL host or path for a route: use the methods `URLHost()` or `URLPath()` instead. For the previous route, we would do: ```go -// "http://news.domain.com/" +// "http://news.example.com/" host, err := r.Get("article").URLHost("subdomain", "news") // "/articles/technology/42" @@ -296,41 +275,372 @@ And if you use subrouters, host and path defined separately can be built as well ```go r := mux.NewRouter() -s := r.Host("{subdomain}.domain.com").Subrouter() +s := r.Host("{subdomain}.example.com").Subrouter() s.Path("/articles/{category}/{id:[0-9]+}"). HandlerFunc(ArticleHandler). Name("article") -// "http://news.domain.com/articles/technology/42" +// "http://news.example.com/articles/technology/42" url, err := r.Get("article").URL("subdomain", "news", "category", "technology", "id", "42") ``` -## Full Example +### Walking Routes -Here's a complete, runnable example of a small `mux` based server: +The `Walk` function on `mux.Router` can be used to visit all of the routes that are registered on a router. For example, +the following prints all of the registered routes: ```go package main import ( + "fmt" "net/http" - "log" + "strings" + "github.com/gorilla/mux" ) -func YourHandler(w http.ResponseWriter, r *http.Request) { - w.Write([]byte("Gorilla!\n")) +func handler(w http.ResponseWriter, r *http.Request) { + return } func main() { r := mux.NewRouter() - // Routes consist of a path and a handler function. - r.HandleFunc("/", YourHandler) + r.HandleFunc("/", handler) + r.HandleFunc("/products", handler).Methods("POST") + r.HandleFunc("/articles", handler).Methods("GET") + r.HandleFunc("/articles/{id}", handler).Methods("GET", "PUT") + r.HandleFunc("/authors", handler).Queries("surname", "{surname}") + err := r.Walk(func(route *mux.Route, router *mux.Router, ancestors []*mux.Route) error { + pathTemplate, err := route.GetPathTemplate() + if err == nil { + fmt.Println("ROUTE:", pathTemplate) + } + pathRegexp, err := route.GetPathRegexp() + if err == nil { + fmt.Println("Path regexp:", pathRegexp) + } + queriesTemplates, err := route.GetQueriesTemplates() + if err == nil { + fmt.Println("Queries templates:", strings.Join(queriesTemplates, ",")) + } + queriesRegexps, err := route.GetQueriesRegexp() + if err == nil { + fmt.Println("Queries regexps:", strings.Join(queriesRegexps, ",")) + } + methods, err := route.GetMethods() + if err == nil { + fmt.Println("Methods:", strings.Join(methods, ",")) + } + fmt.Println() + return nil + }) + + if err != nil { + fmt.Println(err) + } + + http.Handle("/", r) +} +``` + +### Graceful Shutdown + +Go 1.8 introduced the ability to [gracefully shutdown](https://golang.org/doc/go1.8#http_shutdown) a `*http.Server`. Here's how to do that alongside `mux`: + +```go +package main + +import ( + "context" + "flag" + "log" + "net/http" + "os" + "os/signal" + "time" + + "github.com/gorilla/mux" +) + +func main() { + var wait time.Duration + flag.DurationVar(&wait, "graceful-timeout", time.Second * 15, "the duration for which the server gracefully wait for existing connections to finish - e.g. 15s or 1m") + flag.Parse() + + r := mux.NewRouter() + // Add your routes as needed + + srv := &http.Server{ + Addr: "0.0.0.0:8080", + // Good practice to set timeouts to avoid Slowloris attacks. + WriteTimeout: time.Second * 15, + ReadTimeout: time.Second * 15, + IdleTimeout: time.Second * 60, + Handler: r, // Pass our instance of gorilla/mux in. + } + + // Run our server in a goroutine so that it doesn't block. + go func() { + if err := srv.ListenAndServe(); err != nil { + log.Println(err) + } + }() + + c := make(chan os.Signal, 1) + // We'll accept graceful shutdowns when quit via SIGINT (Ctrl+C) + // SIGKILL, SIGQUIT or SIGTERM (Ctrl+/) will not be caught. + signal.Notify(c, os.Interrupt) + + // Block until we receive our signal. + <-c + + // Create a deadline to wait for. + ctx, cancel := context.WithTimeout(context.Background(), wait) + defer cancel() + // Doesn't block if no connections, but will otherwise wait + // until the timeout deadline. + srv.Shutdown(ctx) + // Optionally, you could run srv.Shutdown in a goroutine and block on + // <-ctx.Done() if your application should wait for other services + // to finalize based on context cancellation. + log.Println("shutting down") + os.Exit(0) +} +``` + +### Middleware + +Mux supports the addition of middlewares to a [Router](https://godoc.org/github.com/gorilla/mux#Router), which are executed in the order they are added if a match is found, including its subrouters. +Middlewares are (typically) small pieces of code which take one request, do something with it, and pass it down to another middleware or the final handler. Some common use cases for middleware are request logging, header manipulation, or `ResponseWriter` hijacking. + +Mux middlewares are defined using the de facto standard type: + +```go +type MiddlewareFunc func(http.Handler) http.Handler +``` + +Typically, the returned handler is a closure which does something with the http.ResponseWriter and http.Request passed to it, and then calls the handler passed as parameter to the MiddlewareFunc. This takes advantage of closures being able access variables from the context where they are created, while retaining the signature enforced by the receivers. + +A very basic middleware which logs the URI of the request being handled could be written as: + +```go +func loggingMiddleware(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + // Do stuff here + log.Println(r.RequestURI) + // Call the next handler, which can be another middleware in the chain, or the final handler. + next.ServeHTTP(w, r) + }) +} +``` + +Middlewares can be added to a router using `Router.Use()`: + +```go +r := mux.NewRouter() +r.HandleFunc("/", handler) +r.Use(loggingMiddleware) +``` + +A more complex authentication middleware, which maps session token to users, could be written as: + +```go +// Define our struct +type authenticationMiddleware struct { + tokenUsers map[string]string +} + +// Initialize it somewhere +func (amw *authenticationMiddleware) Populate() { + amw.tokenUsers["00000000"] = "user0" + amw.tokenUsers["aaaaaaaa"] = "userA" + amw.tokenUsers["05f717e5"] = "randomUser" + amw.tokenUsers["deadbeef"] = "user0" +} + +// Middleware function, which will be called for each request +func (amw *authenticationMiddleware) Middleware(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + token := r.Header.Get("X-Session-Token") + + if user, found := amw.tokenUsers[token]; found { + // We found the token in our map + log.Printf("Authenticated user %s\n", user) + // Pass down the request to the next middleware (or final handler) + next.ServeHTTP(w, r) + } else { + // Write an error and stop the handler chain + http.Error(w, "Forbidden", http.StatusForbidden) + } + }) +} +``` + +```go +r := mux.NewRouter() +r.HandleFunc("/", handler) + +amw := authenticationMiddleware{} +amw.Populate() + +r.Use(amw.Middleware) +``` + +Note: The handler chain will be stopped if your middleware doesn't call `next.ServeHTTP()` with the corresponding parameters. This can be used to abort a request if the middleware writer wants to. Middlewares _should_ write to `ResponseWriter` if they _are_ going to terminate the request, and they _should not_ write to `ResponseWriter` if they _are not_ going to terminate it. + +### Testing Handlers + +Testing handlers in a Go web application is straightforward, and _mux_ doesn't complicate this any further. Given two files: `endpoints.go` and `endpoints_test.go`, here's how we'd test an application using _mux_. + +First, our simple HTTP handler: + +```go +// endpoints.go +package main + +func HealthCheckHandler(w http.ResponseWriter, r *http.Request) { + // A very simple health check. + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(http.StatusOK) + + // In the future we could report back on the status of our DB, or our cache + // (e.g. Redis) by performing a simple PING, and include them in the response. + io.WriteString(w, `{"alive": true}`) +} + +func main() { + r := mux.NewRouter() + r.HandleFunc("/health", HealthCheckHandler) + + log.Fatal(http.ListenAndServe("localhost:8080", r)) +} +``` + +Our test code: + +```go +// endpoints_test.go +package main + +import ( + "net/http" + "net/http/httptest" + "testing" +) + +func TestHealthCheckHandler(t *testing.T) { + // Create a request to pass to our handler. We don't have any query parameters for now, so we'll + // pass 'nil' as the third parameter. + req, err := http.NewRequest("GET", "/health", nil) + if err != nil { + t.Fatal(err) + } + + // We create a ResponseRecorder (which satisfies http.ResponseWriter) to record the response. + rr := httptest.NewRecorder() + handler := http.HandlerFunc(HealthCheckHandler) + + // Our handlers satisfy http.Handler, so we can call their ServeHTTP method + // directly and pass in our Request and ResponseRecorder. + handler.ServeHTTP(rr, req) + + // Check the status code is what we expect. + if status := rr.Code; status != http.StatusOK { + t.Errorf("handler returned wrong status code: got %v want %v", + status, http.StatusOK) + } + + // Check the response body is what we expect. + expected := `{"alive": true}` + if rr.Body.String() != expected { + t.Errorf("handler returned unexpected body: got %v want %v", + rr.Body.String(), expected) + } +} +``` + +In the case that our routes have [variables](#examples), we can pass those in the request. We could write +[table-driven tests](https://dave.cheney.net/2013/06/09/writing-table-driven-tests-in-go) to test multiple +possible route variables as needed. + +```go +// endpoints.go +func main() { + r := mux.NewRouter() + // A route with a route variable: + r.HandleFunc("/metrics/{type}", MetricsHandler) + + log.Fatal(http.ListenAndServe("localhost:8080", r)) +} +``` + +Our test file, with a table-driven test of `routeVariables`: + +```go +// endpoints_test.go +func TestMetricsHandler(t *testing.T) { + tt := []struct{ + routeVariable string + shouldPass bool + }{ + {"goroutines", true}, + {"heap", true}, + {"counters", true}, + {"queries", true}, + {"adhadaeqm3k", false}, + } + + for _, tc := range tt { + path := fmt.Sprintf("/metrics/%s", tc.routeVariable) + req, err := http.NewRequest("GET", path, nil) + if err != nil { + t.Fatal(err) + } + + rr := httptest.NewRecorder() + + // Need to create a router that we can pass the request through so that the vars will be added to the context + router := mux.NewRouter() + router.HandleFunc("/metrics/{type}", MetricsHandler) + router.ServeHTTP(rr, req) + + // In this case, our MetricsHandler returns a non-200 response + // for a route variable it doesn't know about. + if rr.Code == http.StatusOK && !tc.shouldPass { + t.Errorf("handler should have failed on routeVariable %s: got %v want %v", + tc.routeVariable, rr.Code, http.StatusOK) + } + } +} +``` + +## Full Example + +Here's a complete, runnable example of a small `mux` based server: + +```go +package main + +import ( + "net/http" + "log" + "github.com/gorilla/mux" +) + +func YourHandler(w http.ResponseWriter, r *http.Request) { + w.Write([]byte("Gorilla!\n")) +} + +func main() { + r := mux.NewRouter() + // Routes consist of a path and a handler function. + r.HandleFunc("/", YourHandler) - // Bind to a port and pass our router in - log.Fatal(http.ListenAndServe(":8000", r)) + // Bind to a port and pass our router in + log.Fatal(http.ListenAndServe(":8000", r)) } ``` diff --git a/vendor/github.com/gorilla/mux/bench_test.go b/vendor/github.com/gorilla/mux/bench_test.go index 946289b..522156d 100644 --- a/vendor/github.com/gorilla/mux/bench_test.go +++ b/vendor/github.com/gorilla/mux/bench_test.go @@ -24,7 +24,7 @@ func BenchmarkMux(b *testing.B) { func BenchmarkMuxAlternativeInRegexp(b *testing.B) { router := new(Router) handler := func(w http.ResponseWriter, r *http.Request) {} - router.HandleFunc("/v1/{v1:(a|b)}", handler) + router.HandleFunc("/v1/{v1:(?:a|b)}", handler) requestA, _ := http.NewRequest("GET", "/v1/a", nil) requestB, _ := http.NewRequest("GET", "/v1/b", nil) diff --git a/vendor/github.com/gorilla/mux/context_native.go b/vendor/github.com/gorilla/mux/context.go similarity index 82% rename from vendor/github.com/gorilla/mux/context_native.go rename to vendor/github.com/gorilla/mux/context.go index 209cbea..665940a 100644 --- a/vendor/github.com/gorilla/mux/context_native.go +++ b/vendor/github.com/gorilla/mux/context.go @@ -1,5 +1,3 @@ -// +build go1.7 - package mux import ( @@ -18,7 +16,3 @@ func contextSet(r *http.Request, key, val interface{}) *http.Request { return r.WithContext(context.WithValue(r.Context(), key, val)) } - -func contextClear(r *http.Request) { - return -} diff --git a/vendor/github.com/gorilla/mux/context_gorilla.go b/vendor/github.com/gorilla/mux/context_gorilla.go deleted file mode 100644 index d7adaa8..0000000 --- a/vendor/github.com/gorilla/mux/context_gorilla.go +++ /dev/null @@ -1,26 +0,0 @@ -// +build !go1.7 - -package mux - -import ( - "net/http" - - "github.com/gorilla/context" -) - -func contextGet(r *http.Request, key interface{}) interface{} { - return context.Get(r, key) -} - -func contextSet(r *http.Request, key, val interface{}) *http.Request { - if val == nil { - return r - } - - context.Set(r, key, val) - return r -} - -func contextClear(r *http.Request) { - context.Clear(r) -} diff --git a/vendor/github.com/gorilla/mux/context_gorilla_test.go b/vendor/github.com/gorilla/mux/context_gorilla_test.go deleted file mode 100644 index ffaf384..0000000 --- a/vendor/github.com/gorilla/mux/context_gorilla_test.go +++ /dev/null @@ -1,40 +0,0 @@ -// +build !go1.7 - -package mux - -import ( - "net/http" - "testing" - - "github.com/gorilla/context" -) - -// Tests that the context is cleared or not cleared properly depending on -// the configuration of the router -func TestKeepContext(t *testing.T) { - func1 := func(w http.ResponseWriter, r *http.Request) {} - - r := NewRouter() - r.HandleFunc("/", func1).Name("func1") - - req, _ := http.NewRequest("GET", "http://localhost/", nil) - context.Set(req, "t", 1) - - res := new(http.ResponseWriter) - r.ServeHTTP(*res, req) - - if _, ok := context.GetOk(req, "t"); ok { - t.Error("Context should have been cleared at end of request") - } - - r.KeepContext = true - - req, _ = http.NewRequest("GET", "http://localhost/", nil) - context.Set(req, "t", 1) - - r.ServeHTTP(*res, req) - if _, ok := context.GetOk(req, "t"); !ok { - t.Error("Context should NOT have been cleared at end of request") - } - -} diff --git a/vendor/github.com/gorilla/mux/context_native_test.go b/vendor/github.com/gorilla/mux/context_test.go similarity index 97% rename from vendor/github.com/gorilla/mux/context_native_test.go rename to vendor/github.com/gorilla/mux/context_test.go index c150edf..d8a56b4 100644 --- a/vendor/github.com/gorilla/mux/context_native_test.go +++ b/vendor/github.com/gorilla/mux/context_test.go @@ -1,5 +1,3 @@ -// +build go1.7 - package mux import ( diff --git a/vendor/github.com/gorilla/mux/doc.go b/vendor/github.com/gorilla/mux/doc.go index 00daf4a..38957de 100644 --- a/vendor/github.com/gorilla/mux/doc.go +++ b/vendor/github.com/gorilla/mux/doc.go @@ -12,8 +12,8 @@ or other conditions. The main features are: * Requests can be matched based on URL host, path, path prefix, schemes, header and query values, HTTP methods or using custom matchers. - * URL hosts and paths can have variables with an optional regular - expression. + * URL hosts, paths and query values can have variables with an optional + regular expression. * Registered URLs can be built, or "reversed", which helps maintaining references to resources. * Routes can be used as subrouters: nested routes are only tested if the @@ -188,18 +188,20 @@ key/value pairs for the route variables. For the previous route, we would do: "/articles/technology/42" -This also works for host variables: +This also works for host and query value variables: r := mux.NewRouter() r.Host("{subdomain}.domain.com"). Path("/articles/{category}/{id:[0-9]+}"). + Queries("filter", "{filter}"). HandlerFunc(ArticleHandler). Name("article") - // url.String() will be "http://news.domain.com/articles/technology/42" + // url.String() will be "http://news.domain.com/articles/technology/42?filter=gorilla" url, err := r.Get("article").URL("subdomain", "news", "category", "technology", - "id", "42") + "id", "42", + "filter", "gorilla") All variables defined in the route are required, and their values must conform to the corresponding patterns. These requirements guarantee that a @@ -236,5 +238,69 @@ as well: url, err := r.Get("article").URL("subdomain", "news", "category", "technology", "id", "42") + +Mux supports the addition of middlewares to a Router, which are executed in the order they are added if a match is found, including its subrouters. Middlewares are (typically) small pieces of code which take one request, do something with it, and pass it down to another middleware or the final handler. Some common use cases for middleware are request logging, header manipulation, or ResponseWriter hijacking. + + type MiddlewareFunc func(http.Handler) http.Handler + +Typically, the returned handler is a closure which does something with the http.ResponseWriter and http.Request passed to it, and then calls the handler passed as parameter to the MiddlewareFunc (closures can access variables from the context where they are created). + +A very basic middleware which logs the URI of the request being handled could be written as: + + func simpleMw(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + // Do stuff here + log.Println(r.RequestURI) + // Call the next handler, which can be another middleware in the chain, or the final handler. + next.ServeHTTP(w, r) + }) + } + +Middlewares can be added to a router using `Router.Use()`: + + r := mux.NewRouter() + r.HandleFunc("/", handler) + r.Use(simpleMw) + +A more complex authentication middleware, which maps session token to users, could be written as: + + // Define our struct + type authenticationMiddleware struct { + tokenUsers map[string]string + } + + // Initialize it somewhere + func (amw *authenticationMiddleware) Populate() { + amw.tokenUsers["00000000"] = "user0" + amw.tokenUsers["aaaaaaaa"] = "userA" + amw.tokenUsers["05f717e5"] = "randomUser" + amw.tokenUsers["deadbeef"] = "user0" + } + + // Middleware function, which will be called for each request + func (amw *authenticationMiddleware) Middleware(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + token := r.Header.Get("X-Session-Token") + + if user, found := amw.tokenUsers[token]; found { + // We found the token in our map + log.Printf("Authenticated user %s\n", user) + next.ServeHTTP(w, r) + } else { + http.Error(w, "Forbidden", http.StatusForbidden) + } + }) + } + + r := mux.NewRouter() + r.HandleFunc("/", handler) + + amw := authenticationMiddleware{} + amw.Populate() + + r.Use(amw.Middleware) + +Note: The handler chain will be stopped if your middleware doesn't call `next.ServeHTTP()` with the corresponding parameters. This can be used to abort a request if the middleware writer wants to. + */ package mux diff --git a/vendor/github.com/gorilla/mux/example_authentication_middleware_test.go b/vendor/github.com/gorilla/mux/example_authentication_middleware_test.go new file mode 100644 index 0000000..6f2ea86 --- /dev/null +++ b/vendor/github.com/gorilla/mux/example_authentication_middleware_test.go @@ -0,0 +1,46 @@ +package mux_test + +import ( + "log" + "net/http" + + "github.com/gorilla/mux" +) + +// Define our struct +type authenticationMiddleware struct { + tokenUsers map[string]string +} + +// Initialize it somewhere +func (amw *authenticationMiddleware) Populate() { + amw.tokenUsers["00000000"] = "user0" + amw.tokenUsers["aaaaaaaa"] = "userA" + amw.tokenUsers["05f717e5"] = "randomUser" + amw.tokenUsers["deadbeef"] = "user0" +} + +// Middleware function, which will be called for each request +func (amw *authenticationMiddleware) Middleware(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + token := r.Header.Get("X-Session-Token") + + if user, found := amw.tokenUsers[token]; found { + // We found the token in our map + log.Printf("Authenticated user %s\n", user) + next.ServeHTTP(w, r) + } else { + http.Error(w, "Forbidden", http.StatusForbidden) + } + }) +} + +func Example_authenticationMiddleware() { + r := mux.NewRouter() + r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + // Do something here + }) + amw := authenticationMiddleware{make(map[string]string)} + amw.Populate() + r.Use(amw.Middleware) +} diff --git a/vendor/github.com/gorilla/mux/example_route_test.go b/vendor/github.com/gorilla/mux/example_route_test.go new file mode 100644 index 0000000..1125570 --- /dev/null +++ b/vendor/github.com/gorilla/mux/example_route_test.go @@ -0,0 +1,51 @@ +package mux_test + +import ( + "fmt" + "net/http" + + "github.com/gorilla/mux" +) + +// This example demonstrates setting a regular expression matcher for +// the header value. A plain word will match any value that contains a +// matching substring as if the pattern was wrapped with `.*`. +func ExampleRoute_HeadersRegexp() { + r := mux.NewRouter() + route := r.NewRoute().HeadersRegexp("Accept", "html") + + req1, _ := http.NewRequest("GET", "example.com", nil) + req1.Header.Add("Accept", "text/plain") + req1.Header.Add("Accept", "text/html") + + req2, _ := http.NewRequest("GET", "example.com", nil) + req2.Header.Set("Accept", "application/xhtml+xml") + + matchInfo := &mux.RouteMatch{} + fmt.Printf("Match: %v %q\n", route.Match(req1, matchInfo), req1.Header["Accept"]) + fmt.Printf("Match: %v %q\n", route.Match(req2, matchInfo), req2.Header["Accept"]) + // Output: + // Match: true ["text/plain" "text/html"] + // Match: true ["application/xhtml+xml"] +} + +// This example demonstrates setting a strict regular expression matcher +// for the header value. Using the start and end of string anchors, the +// value must be an exact match. +func ExampleRoute_HeadersRegexp_exactMatch() { + r := mux.NewRouter() + route := r.NewRoute().HeadersRegexp("Origin", "^https://example.co$") + + yes, _ := http.NewRequest("GET", "example.co", nil) + yes.Header.Set("Origin", "https://example.co") + + no, _ := http.NewRequest("GET", "example.co.uk", nil) + no.Header.Set("Origin", "https://example.co.uk") + + matchInfo := &mux.RouteMatch{} + fmt.Printf("Match: %v %q\n", route.Match(yes, matchInfo), yes.Header["Origin"]) + fmt.Printf("Match: %v %q\n", route.Match(no, matchInfo), no.Header["Origin"]) + // Output: + // Match: true ["https://example.co"] + // Match: false ["https://example.co.uk"] +} diff --git a/vendor/github.com/gorilla/mux/go.mod b/vendor/github.com/gorilla/mux/go.mod new file mode 100644 index 0000000..cfc8ede --- /dev/null +++ b/vendor/github.com/gorilla/mux/go.mod @@ -0,0 +1 @@ +module github.com/gorilla/mux diff --git a/vendor/github.com/gorilla/mux/middleware.go b/vendor/github.com/gorilla/mux/middleware.go new file mode 100644 index 0000000..ceb812c --- /dev/null +++ b/vendor/github.com/gorilla/mux/middleware.go @@ -0,0 +1,72 @@ +package mux + +import ( + "net/http" + "strings" +) + +// MiddlewareFunc is a function which receives an http.Handler and returns another http.Handler. +// Typically, the returned handler is a closure which does something with the http.ResponseWriter and http.Request passed +// to it, and then calls the handler passed as parameter to the MiddlewareFunc. +type MiddlewareFunc func(http.Handler) http.Handler + +// middleware interface is anything which implements a MiddlewareFunc named Middleware. +type middleware interface { + Middleware(handler http.Handler) http.Handler +} + +// Middleware allows MiddlewareFunc to implement the middleware interface. +func (mw MiddlewareFunc) Middleware(handler http.Handler) http.Handler { + return mw(handler) +} + +// Use appends a MiddlewareFunc to the chain. Middleware can be used to intercept or otherwise modify requests and/or responses, and are executed in the order that they are applied to the Router. +func (r *Router) Use(mwf ...MiddlewareFunc) { + for _, fn := range mwf { + r.middlewares = append(r.middlewares, fn) + } +} + +// useInterface appends a middleware to the chain. Middleware can be used to intercept or otherwise modify requests and/or responses, and are executed in the order that they are applied to the Router. +func (r *Router) useInterface(mw middleware) { + r.middlewares = append(r.middlewares, mw) +} + +// CORSMethodMiddleware sets the Access-Control-Allow-Methods response header +// on a request, by matching routes based only on paths. It also handles +// OPTIONS requests, by settings Access-Control-Allow-Methods, and then +// returning without calling the next http handler. +func CORSMethodMiddleware(r *Router) MiddlewareFunc { + return func(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { + var allMethods []string + + err := r.Walk(func(route *Route, _ *Router, _ []*Route) error { + for _, m := range route.matchers { + if _, ok := m.(*routeRegexp); ok { + if m.Match(req, &RouteMatch{}) { + methods, err := route.GetMethods() + if err != nil { + return err + } + + allMethods = append(allMethods, methods...) + } + break + } + } + return nil + }) + + if err == nil { + w.Header().Set("Access-Control-Allow-Methods", strings.Join(append(allMethods, "OPTIONS"), ",")) + + if req.Method == "OPTIONS" { + return + } + } + + next.ServeHTTP(w, req) + }) + } +} diff --git a/vendor/github.com/gorilla/mux/middleware_test.go b/vendor/github.com/gorilla/mux/middleware_test.go new file mode 100644 index 0000000..24016cb --- /dev/null +++ b/vendor/github.com/gorilla/mux/middleware_test.go @@ -0,0 +1,437 @@ +package mux + +import ( + "bytes" + "net/http" + "net/http/httptest" + "testing" +) + +type testMiddleware struct { + timesCalled uint +} + +func (tm *testMiddleware) Middleware(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + tm.timesCalled++ + h.ServeHTTP(w, r) + }) +} + +func dummyHandler(w http.ResponseWriter, r *http.Request) {} + +func TestMiddlewareAdd(t *testing.T) { + router := NewRouter() + router.HandleFunc("/", dummyHandler).Methods("GET") + + mw := &testMiddleware{} + + router.useInterface(mw) + if len(router.middlewares) != 1 || router.middlewares[0] != mw { + t.Fatal("Middleware was not added correctly") + } + + router.Use(mw.Middleware) + if len(router.middlewares) != 2 { + t.Fatal("MiddlewareFunc method was not added correctly") + } + + banalMw := func(handler http.Handler) http.Handler { + return handler + } + router.Use(banalMw) + if len(router.middlewares) != 3 { + t.Fatal("MiddlewareFunc method was not added correctly") + } +} + +func TestMiddleware(t *testing.T) { + router := NewRouter() + router.HandleFunc("/", dummyHandler).Methods("GET") + + mw := &testMiddleware{} + router.useInterface(mw) + + rw := NewRecorder() + req := newRequest("GET", "/") + + // Test regular middleware call + router.ServeHTTP(rw, req) + if mw.timesCalled != 1 { + t.Fatalf("Expected %d calls, but got only %d", 1, mw.timesCalled) + } + + // Middleware should not be called for 404 + req = newRequest("GET", "/not/found") + router.ServeHTTP(rw, req) + if mw.timesCalled != 1 { + t.Fatalf("Expected %d calls, but got only %d", 1, mw.timesCalled) + } + + // Middleware should not be called if there is a method mismatch + req = newRequest("POST", "/") + router.ServeHTTP(rw, req) + if mw.timesCalled != 1 { + t.Fatalf("Expected %d calls, but got only %d", 1, mw.timesCalled) + } + + // Add the middleware again as function + router.Use(mw.Middleware) + req = newRequest("GET", "/") + router.ServeHTTP(rw, req) + if mw.timesCalled != 3 { + t.Fatalf("Expected %d calls, but got only %d", 3, mw.timesCalled) + } + +} + +func TestMiddlewareSubrouter(t *testing.T) { + router := NewRouter() + router.HandleFunc("/", dummyHandler).Methods("GET") + + subrouter := router.PathPrefix("/sub").Subrouter() + subrouter.HandleFunc("/x", dummyHandler).Methods("GET") + + mw := &testMiddleware{} + subrouter.useInterface(mw) + + rw := NewRecorder() + req := newRequest("GET", "/") + + router.ServeHTTP(rw, req) + if mw.timesCalled != 0 { + t.Fatalf("Expected %d calls, but got only %d", 0, mw.timesCalled) + } + + req = newRequest("GET", "/sub/") + router.ServeHTTP(rw, req) + if mw.timesCalled != 0 { + t.Fatalf("Expected %d calls, but got only %d", 0, mw.timesCalled) + } + + req = newRequest("GET", "/sub/x") + router.ServeHTTP(rw, req) + if mw.timesCalled != 1 { + t.Fatalf("Expected %d calls, but got only %d", 1, mw.timesCalled) + } + + req = newRequest("GET", "/sub/not/found") + router.ServeHTTP(rw, req) + if mw.timesCalled != 1 { + t.Fatalf("Expected %d calls, but got only %d", 1, mw.timesCalled) + } + + router.useInterface(mw) + + req = newRequest("GET", "/") + router.ServeHTTP(rw, req) + if mw.timesCalled != 2 { + t.Fatalf("Expected %d calls, but got only %d", 2, mw.timesCalled) + } + + req = newRequest("GET", "/sub/x") + router.ServeHTTP(rw, req) + if mw.timesCalled != 4 { + t.Fatalf("Expected %d calls, but got only %d", 4, mw.timesCalled) + } +} + +func TestMiddlewareExecution(t *testing.T) { + mwStr := []byte("Middleware\n") + handlerStr := []byte("Logic\n") + + router := NewRouter() + router.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }) + + rw := NewRecorder() + req := newRequest("GET", "/") + + // Test handler-only call + router.ServeHTTP(rw, req) + + if !bytes.Equal(rw.Body.Bytes(), handlerStr) { + t.Fatal("Handler response is not what it should be") + } + + // Test middleware call + rw = NewRecorder() + + router.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write(mwStr) + h.ServeHTTP(w, r) + }) + }) + + router.ServeHTTP(rw, req) + if !bytes.Equal(rw.Body.Bytes(), append(mwStr, handlerStr...)) { + t.Fatal("Middleware + handler response is not what it should be") + } +} + +func TestMiddlewareNotFound(t *testing.T) { + mwStr := []byte("Middleware\n") + handlerStr := []byte("Logic\n") + + router := NewRouter() + router.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }) + router.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write(mwStr) + h.ServeHTTP(w, r) + }) + }) + + // Test not found call with default handler + rw := NewRecorder() + req := newRequest("GET", "/notfound") + + router.ServeHTTP(rw, req) + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a 404") + } + + // Test not found call with custom handler + rw = NewRecorder() + req = newRequest("GET", "/notfound") + + router.NotFoundHandler = http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { + rw.Write([]byte("Custom 404 handler")) + }) + router.ServeHTTP(rw, req) + + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a custom 404") + } +} + +func TestMiddlewareMethodMismatch(t *testing.T) { + mwStr := []byte("Middleware\n") + handlerStr := []byte("Logic\n") + + router := NewRouter() + router.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }).Methods("GET") + + router.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write(mwStr) + h.ServeHTTP(w, r) + }) + }) + + // Test method mismatch + rw := NewRecorder() + req := newRequest("POST", "/") + + router.ServeHTTP(rw, req) + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a method mismatch") + } + + // Test not found call + rw = NewRecorder() + req = newRequest("POST", "/") + + router.MethodNotAllowedHandler = http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { + rw.Write([]byte("Method not allowed")) + }) + router.ServeHTTP(rw, req) + + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a method mismatch") + } +} + +func TestMiddlewareNotFoundSubrouter(t *testing.T) { + mwStr := []byte("Middleware\n") + handlerStr := []byte("Logic\n") + + router := NewRouter() + router.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }) + + subrouter := router.PathPrefix("/sub/").Subrouter() + subrouter.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }) + + router.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write(mwStr) + h.ServeHTTP(w, r) + }) + }) + + // Test not found call for default handler + rw := NewRecorder() + req := newRequest("GET", "/sub/notfound") + + router.ServeHTTP(rw, req) + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a 404") + } + + // Test not found call with custom handler + rw = NewRecorder() + req = newRequest("GET", "/sub/notfound") + + subrouter.NotFoundHandler = http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { + rw.Write([]byte("Custom 404 handler")) + }) + router.ServeHTTP(rw, req) + + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a custom 404") + } +} + +func TestMiddlewareMethodMismatchSubrouter(t *testing.T) { + mwStr := []byte("Middleware\n") + handlerStr := []byte("Logic\n") + + router := NewRouter() + router.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }) + + subrouter := router.PathPrefix("/sub/").Subrouter() + subrouter.HandleFunc("/", func(w http.ResponseWriter, e *http.Request) { + w.Write(handlerStr) + }).Methods("GET") + + router.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write(mwStr) + h.ServeHTTP(w, r) + }) + }) + + // Test method mismatch without custom handler + rw := NewRecorder() + req := newRequest("POST", "/sub/") + + router.ServeHTTP(rw, req) + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a method mismatch") + } + + // Test method mismatch with custom handler + rw = NewRecorder() + req = newRequest("POST", "/sub/") + + router.MethodNotAllowedHandler = http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { + rw.Write([]byte("Method not allowed")) + }) + router.ServeHTTP(rw, req) + + if bytes.Contains(rw.Body.Bytes(), mwStr) { + t.Fatal("Middleware was called for a method mismatch") + } +} + +func TestCORSMethodMiddleware(t *testing.T) { + router := NewRouter() + + cases := []struct { + path string + response string + method string + testURL string + expectedAllowedMethods string + }{ + {"/g/{o}", "a", "POST", "/g/asdf", "POST,PUT,GET,OPTIONS"}, + {"/g/{o}", "b", "PUT", "/g/bla", "POST,PUT,GET,OPTIONS"}, + {"/g/{o}", "c", "GET", "/g/orilla", "POST,PUT,GET,OPTIONS"}, + {"/g", "d", "POST", "/g", "POST,OPTIONS"}, + } + + for _, tt := range cases { + router.HandleFunc(tt.path, stringHandler(tt.response)).Methods(tt.method) + } + + router.Use(CORSMethodMiddleware(router)) + + for _, tt := range cases { + rr := httptest.NewRecorder() + req := newRequest(tt.method, tt.testURL) + + router.ServeHTTP(rr, req) + + if rr.Body.String() != tt.response { + t.Errorf("Expected body '%s', found '%s'", tt.response, rr.Body.String()) + } + + allowedMethods := rr.Header().Get("Access-Control-Allow-Methods") + + if allowedMethods != tt.expectedAllowedMethods { + t.Errorf("Expected Access-Control-Allow-Methods '%s', found '%s'", tt.expectedAllowedMethods, allowedMethods) + } + } +} + +func TestMiddlewareOnMultiSubrouter(t *testing.T) { + first := "first" + second := "second" + notFound := "404 not found" + + router := NewRouter() + firstSubRouter := router.PathPrefix("/").Subrouter() + secondSubRouter := router.PathPrefix("/").Subrouter() + + router.NotFoundHandler = http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { + rw.Write([]byte(notFound)) + }) + + firstSubRouter.HandleFunc("/first", func(w http.ResponseWriter, r *http.Request) { + + }) + + secondSubRouter.HandleFunc("/second", func(w http.ResponseWriter, r *http.Request) { + + }) + + firstSubRouter.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write([]byte(first)) + h.ServeHTTP(w, r) + }) + }) + + secondSubRouter.Use(func(h http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write([]byte(second)) + h.ServeHTTP(w, r) + }) + }) + + rw := NewRecorder() + req := newRequest("GET", "/first") + + router.ServeHTTP(rw, req) + if rw.Body.String() != first { + t.Fatalf("Middleware did not run: expected %s middleware to write a response (got %s)", first, rw.Body.String()) + } + + rw = NewRecorder() + req = newRequest("GET", "/second") + + router.ServeHTTP(rw, req) + if rw.Body.String() != second { + t.Fatalf("Middleware did not run: expected %s middleware to write a response (got %s)", second, rw.Body.String()) + } + + rw = NewRecorder() + req = newRequest("GET", "/second/not-exist") + + router.ServeHTTP(rw, req) + if rw.Body.String() != notFound { + t.Fatalf("Notfound handler did not run: expected %s for not-exist, (got %s)", notFound, rw.Body.String()) + } +} diff --git a/vendor/github.com/gorilla/mux/mux.go b/vendor/github.com/gorilla/mux/mux.go index d66ec38..a2cd193 100644 --- a/vendor/github.com/gorilla/mux/mux.go +++ b/vendor/github.com/gorilla/mux/mux.go @@ -10,12 +10,19 @@ import ( "net/http" "path" "regexp" - "strings" +) + +var ( + // ErrMethodMismatch is returned when the method in the request does not match + // the method defined against the route. + ErrMethodMismatch = errors.New("method is not allowed") + // ErrNotFound is returned when no route match is found. + ErrNotFound = errors.New("no matching route was found") ) // NewRouter returns a new router instance. func NewRouter() *Router { - return &Router{namedRoutes: make(map[string]*Route), KeepContext: false} + return &Router{namedRoutes: make(map[string]*Route)} } // Router registers routes to be matched and dispatches a handler. @@ -39,37 +46,125 @@ func NewRouter() *Router { type Router struct { // Configurable Handler to be used when no route matches. NotFoundHandler http.Handler - // Parent route, if this is a subrouter. - parent parentRoute + + // Configurable Handler to be used when the request method does not match the route. + MethodNotAllowedHandler http.Handler + // Routes to be matched, in order. routes []*Route + // Routes by name for URL building. namedRoutes map[string]*Route - // See Router.StrictSlash(). This defines the flag for new routes. - strictSlash bool - // See Router.SkipClean(). This defines the flag for new routes. - skipClean bool + // If true, do not clear the request context after handling the request. - // This has no effect when go1.7+ is used, since the context is stored + // + // Deprecated: No effect when go1.7+ is used, since the context is stored // on the request itself. KeepContext bool - // see Router.UseEncodedPath(). This defines a flag for all routes. + + // Slice of middlewares to be called after a match is found + middlewares []middleware + + // configuration shared with `Route` + routeConf +} + +// common route configuration shared between `Router` and `Route` +type routeConf struct { + // If true, "/path/foo%2Fbar/to" will match the path "/path/{var}/to" useEncodedPath bool + + // If true, when the path pattern is "/path/", accessing "/path" will + // redirect to the former and vice versa. + strictSlash bool + + // If true, when the path pattern is "/path//to", accessing "/path//to" + // will not redirect + skipClean bool + + // Manager for the variables from host and path. + regexp routeRegexpGroup + + // List of matchers. + matchers []matcher + + // The scheme used when building URLs. + buildScheme string + + buildVarsFunc BuildVarsFunc } -// Match matches registered routes against the request. +// returns an effective deep copy of `routeConf` +func copyRouteConf(r routeConf) routeConf { + c := r + + if r.regexp.path != nil { + c.regexp.path = copyRouteRegexp(r.regexp.path) + } + + if r.regexp.host != nil { + c.regexp.host = copyRouteRegexp(r.regexp.host) + } + + c.regexp.queries = make([]*routeRegexp, 0, len(r.regexp.queries)) + for _, q := range r.regexp.queries { + c.regexp.queries = append(c.regexp.queries, copyRouteRegexp(q)) + } + + c.matchers = make([]matcher, 0, len(r.matchers)) + for _, m := range r.matchers { + c.matchers = append(c.matchers, m) + } + + return c +} + +func copyRouteRegexp(r *routeRegexp) *routeRegexp { + c := *r + return &c +} + +// Match attempts to match the given request against the router's registered routes. +// +// If the request matches a route of this router or one of its subrouters the Route, +// Handler, and Vars fields of the the match argument are filled and this function +// returns true. +// +// If the request does not match any of this router's or its subrouters' routes +// then this function returns false. If available, a reason for the match failure +// will be filled in the match argument's MatchErr field. If the match failure type +// (eg: not found) has a registered handler, the handler is assigned to the Handler +// field of the match argument. func (r *Router) Match(req *http.Request, match *RouteMatch) bool { for _, route := range r.routes { if route.Match(req, match) { + // Build middleware chain if no error was found + if match.MatchErr == nil { + for i := len(r.middlewares) - 1; i >= 0; i-- { + match.Handler = r.middlewares[i].Middleware(match.Handler) + } + } return true } } + if match.MatchErr == ErrMethodMismatch { + if r.MethodNotAllowedHandler != nil { + match.Handler = r.MethodNotAllowedHandler + return true + } + + return false + } + // Closest match for a router (includes sub-routers) if r.NotFoundHandler != nil { match.Handler = r.NotFoundHandler + match.MatchErr = ErrNotFound return true } + + match.MatchErr = ErrNotFound return false } @@ -81,7 +176,7 @@ func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) { if !r.skipClean { path := req.URL.Path if r.useEncodedPath { - path = getPath(req) + path = req.URL.EscapedPath() } // Clean path to canonical form and redirect. if p := cleanPath(path); p != path { @@ -105,36 +200,44 @@ func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) { req = setVars(req, match.Vars) req = setCurrentRoute(req, match.Route) } + + if handler == nil && match.MatchErr == ErrMethodMismatch { + handler = methodNotAllowedHandler() + } + if handler == nil { handler = http.NotFoundHandler() } - if !r.KeepContext { - defer contextClear(req) - } + handler.ServeHTTP(w, req) } // Get returns a route registered with the given name. func (r *Router) Get(name string) *Route { - return r.getNamedRoutes()[name] + return r.namedRoutes[name] } // GetRoute returns a route registered with the given name. This method // was renamed to Get() and remains here for backwards compatibility. func (r *Router) GetRoute(name string) *Route { - return r.getNamedRoutes()[name] + return r.namedRoutes[name] } // StrictSlash defines the trailing slash behavior for new routes. The initial // value is false. // -// When true, if the route path is "/path/", accessing "/path" will redirect +// When true, if the route path is "/path/", accessing "/path" will perform a redirect // to the former and vice versa. In other words, your application will always // see the path as specified in the route. // // When false, if the route path is "/path", accessing "/path/" will not match // this route and vice versa. // +// The re-direct is a HTTP 301 (Moved Permanently). Note that when this is set for +// routes with a non-idempotent method (e.g. POST, PUT), the subsequent re-directed +// request will be made as a GET by most clients. Use middleware or client settings +// to modify this behaviour as needed. +// // Special case: when a route sets a path prefix using the PathPrefix() method, // strict slash is ignored for that route because the redirect behavior can't // be determined from a prefix alone. However, any subrouters created from that @@ -160,10 +263,6 @@ func (r *Router) SkipClean(value bool) *Router { // UseEncodedPath tells the router to match the encoded original path // to the routes. // For eg. "/path/foo%2Fbar/to" will match the path "/path/{var}/to". -// This behavior has the drawback of needing to match routes against -// r.RequestURI instead of r.URL.Path. Any modifications (such as http.StripPrefix) -// to r.URL.Path will not affect routing when this flag is on and thus may -// induce unintended behavior. // // If not called, the router will match the unencoded path to the routes. // For eg. "/path/foo%2Fbar/to" will match the path "/path/foo/bar/to" @@ -172,48 +271,24 @@ func (r *Router) UseEncodedPath() *Router { return r } -// ---------------------------------------------------------------------------- -// parentRoute -// ---------------------------------------------------------------------------- - -// getNamedRoutes returns the map where named routes are registered. -func (r *Router) getNamedRoutes() map[string]*Route { - if r.namedRoutes == nil { - if r.parent != nil { - r.namedRoutes = r.parent.getNamedRoutes() - } else { - r.namedRoutes = make(map[string]*Route) - } - } - return r.namedRoutes -} - -// getRegexpGroup returns regexp definitions from the parent route, if any. -func (r *Router) getRegexpGroup() *routeRegexpGroup { - if r.parent != nil { - return r.parent.getRegexpGroup() - } - return nil -} - -func (r *Router) buildVars(m map[string]string) map[string]string { - if r.parent != nil { - m = r.parent.buildVars(m) - } - return m -} - // ---------------------------------------------------------------------------- // Route factories // ---------------------------------------------------------------------------- // NewRoute registers an empty route. func (r *Router) NewRoute() *Route { - route := &Route{parent: r, strictSlash: r.strictSlash, skipClean: r.skipClean, useEncodedPath: r.useEncodedPath} + // initialize a route with a copy of the parent router's configuration + route := &Route{routeConf: copyRouteConf(r.routeConf), namedRoutes: r.namedRoutes} r.routes = append(r.routes, route) return route } +// Name registers a new route with a name. +// See Route.Name(). +func (r *Router) Name(name string) *Route { + return r.NewRoute().Name(name) +} + // Handle registers a new route with a matcher for the URL path. // See Route.Path() and Route.Handler(). func (r *Router) Handle(path string, handler http.Handler) *Route { @@ -299,10 +374,6 @@ type WalkFunc func(route *Route, router *Router, ancestors []*Route) error func (r *Router) walk(walkFn WalkFunc, ancestors []*Route) error { for _, t := range r.routes { - if t.regexp == nil || t.regexp.path == nil || t.regexp.path.template == "" { - continue - } - err := walkFn(t, r, ancestors) if err == SkipRouter { continue @@ -312,10 +383,12 @@ func (r *Router) walk(walkFn WalkFunc, ancestors []*Route) error { } for _, sr := range t.matchers { if h, ok := sr.(*Router); ok { + ancestors = append(ancestors, t) err := h.walk(walkFn, ancestors) if err != nil { return err } + ancestors = ancestors[:len(ancestors)-1] } } if h, ok := t.handler.(*Router); ok { @@ -339,6 +412,11 @@ type RouteMatch struct { Route *Route Handler http.Handler Vars map[string]string + + // MatchErr is set to appropriate matching error + // It is set to ErrMethodMismatch if there is a mismatch in + // the request method and route method + MatchErr error } type contextKey int @@ -380,28 +458,6 @@ func setCurrentRoute(r *http.Request, val interface{}) *http.Request { // Helpers // ---------------------------------------------------------------------------- -// getPath returns the escaped path if possible; doing what URL.EscapedPath() -// which was added in go1.5 does -func getPath(req *http.Request) string { - if req.RequestURI != "" { - // Extract the path from RequestURI (which is escaped unlike URL.Path) - // as detailed here as detailed in https://golang.org/pkg/net/url/#URL - // for < 1.5 server side workaround - // http://localhost/path/here?v=1 -> /path/here - path := req.RequestURI - path = strings.TrimPrefix(path, req.URL.Scheme+`://`) - path = strings.TrimPrefix(path, req.URL.Host) - if i := strings.LastIndex(path, "?"); i > -1 { - path = path[:i] - } - if i := strings.LastIndex(path, "#"); i > -1 { - path = path[:i] - } - return path - } - return req.URL.Path -} - // cleanPath returns the canonical path for p, eliminating . and .. elements. // Borrowed from the net/http package. func cleanPath(p string) string { @@ -458,7 +514,7 @@ func mapFromPairsToString(pairs ...string) (map[string]string, error) { return m, nil } -// mapFromPairsToRegex converts variadic string paramers to a +// mapFromPairsToRegex converts variadic string parameters to a // string to regex map. func mapFromPairsToRegex(pairs ...string) (map[string]*regexp.Regexp, error) { length, err := checkPairs(pairs...) @@ -540,3 +596,12 @@ func matchMapWithRegex(toCheck map[string]*regexp.Regexp, toMatch map[string][]s } return true } + +// methodNotAllowed replies to the request with an HTTP status code 405. +func methodNotAllowed(w http.ResponseWriter, r *http.Request) { + w.WriteHeader(http.StatusMethodNotAllowed) +} + +// methodNotAllowedHandler returns a simple request handler +// that replies to each request with a status code 405. +func methodNotAllowedHandler() http.Handler { return http.HandlerFunc(methodNotAllowed) } diff --git a/vendor/github.com/gorilla/mux/mux_test.go b/vendor/github.com/gorilla/mux/mux_test.go index 405aca6..f5c1e9c 100644 --- a/vendor/github.com/gorilla/mux/mux_test.go +++ b/vendor/github.com/gorilla/mux/mux_test.go @@ -10,6 +10,8 @@ import ( "errors" "fmt" "net/http" + "net/url" + "reflect" "strings" "testing" ) @@ -23,32 +25,29 @@ func (r *Route) GoString() string { } func (r *routeRegexp) GoString() string { - return fmt.Sprintf("&routeRegexp{template: %q, matchHost: %t, matchQuery: %t, strictSlash: %t, regexp: regexp.MustCompile(%q), reverse: %q, varsN: %v, varsR: %v", r.template, r.matchHost, r.matchQuery, r.strictSlash, r.regexp.String(), r.reverse, r.varsN, r.varsR) + return fmt.Sprintf("&routeRegexp{template: %q, regexpType: %v, options: %v, regexp: regexp.MustCompile(%q), reverse: %q, varsN: %v, varsR: %v", r.template, r.regexpType, r.options, r.regexp.String(), r.reverse, r.varsN, r.varsR) } type routeTest struct { - title string // title of the test - route *Route // the route being tested - request *http.Request // a request to test the route - vars map[string]string // the expected vars of the match - host string // the expected host of the match - path string // the expected path of the match - pathTemplate string // the expected path template to match - hostTemplate string // the expected host template to match - shouldMatch bool // whether the request is expected to match the route at all - shouldRedirect bool // whether the request should result in a redirect + title string // title of the test + route *Route // the route being tested + request *http.Request // a request to test the route + vars map[string]string // the expected vars of the match + scheme string // the expected scheme of the built URL + host string // the expected host of the built URL + path string // the expected path of the built URL + query string // the expected query string of the built URL + pathTemplate string // the expected path template of the route + hostTemplate string // the expected host template of the route + queriesTemplate string // the expected query template of the route + methods []string // the expected route methods + pathRegexp string // the expected path regexp + queriesRegexp string // the expected query regexp + shouldMatch bool // whether the request is expected to match the route at all + shouldRedirect bool // whether the request should result in a redirect } func TestHost(t *testing.T) { - // newRequestHost a new request with a method, url, and host header - newRequestHost := func(method, url, host string) *http.Request { - req, err := http.NewRequest(method, url, nil) - if err != nil { - panic(err) - } - req.Host = host - return req - } tests := []routeTest{ { @@ -105,7 +104,15 @@ func TestHost(t *testing.T) { path: "", shouldMatch: false, }, - // BUG {new(Route).Host("aaa.bbb.ccc:1234"), newRequestHost("GET", "/111/222/333", "aaa.bbb.ccc:1234"), map[string]string{}, "aaa.bbb.ccc:1234", "", true}, + { + title: "Host route with port, match with request header", + route: new(Route).Host("aaa.bbb.ccc:1234"), + request: newRequestHost("GET", "/111/222/333", "aaa.bbb.ccc:1234"), + vars: map[string]string{}, + host: "aaa.bbb.ccc:1234", + path: "", + shouldMatch: true, + }, { title: "Host route with port, wrong host in request header", route: new(Route).Host("aaa.bbb.ccc:1234"), @@ -115,6 +122,16 @@ func TestHost(t *testing.T) { path: "", shouldMatch: false, }, + { + title: "Host route with pattern, match with request header", + route: new(Route).Host("aaa.{v1:[a-z]{3}}.ccc:1{v2:(?:23|4)}"), + request: newRequestHost("GET", "/111/222/333", "aaa.bbb.ccc:123"), + vars: map[string]string{"v1": "bbb", "v2": "23"}, + host: "aaa.bbb.ccc:123", + path: "", + hostTemplate: `aaa.{v1:[a-z]{3}}.ccc:1{v2:(?:23|4)}`, + shouldMatch: true, + }, { title: "Host route with pattern, match", route: new(Route).Host("aaa.{v1:[a-z]{3}}.ccc"), @@ -195,50 +212,12 @@ func TestHost(t *testing.T) { hostTemplate: `{v-1:[a-z]{3}}.{v-2:[a-z]{3}}.{v-3:[a-z]{3}}`, shouldMatch: true, }, - { - title: "Path route with single pattern with pipe, match", - route: new(Route).Path("/{category:a|b/c}"), - request: newRequest("GET", "http://localhost/a"), - vars: map[string]string{"category": "a"}, - host: "", - path: "/a", - pathTemplate: `/{category:a|b/c}`, - shouldMatch: true, - }, - { - title: "Path route with single pattern with pipe, match", - route: new(Route).Path("/{category:a|b/c}"), - request: newRequest("GET", "http://localhost/b/c"), - vars: map[string]string{"category": "b/c"}, - host: "", - path: "/b/c", - pathTemplate: `/{category:a|b/c}`, - shouldMatch: true, - }, - { - title: "Path route with multiple patterns with pipe, match", - route: new(Route).Path("/{category:a|b/c}/{product}/{id:[0-9]+}"), - request: newRequest("GET", "http://localhost/a/product_name/1"), - vars: map[string]string{"category": "a", "product": "product_name", "id": "1"}, - host: "", - path: "/a/product_name/1", - pathTemplate: `/{category:a|b/c}/{product}/{id:[0-9]+}`, - shouldMatch: true, - }, - { - title: "Path route with multiple patterns with pipe, match", - route: new(Route).Path("/{category:a|b/c}/{product}/{id:[0-9]+}"), - request: newRequest("GET", "http://localhost/b/c/product_name/1"), - vars: map[string]string{"category": "b/c", "product": "product_name", "id": "1"}, - host: "", - path: "/b/c/product_name/1", - pathTemplate: `/{category:a|b/c}/{product}/{id:[0-9]+}`, - shouldMatch: true, - }, } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + }) } } @@ -270,6 +249,7 @@ func TestPath(t *testing.T) { host: "", path: "/111", pathTemplate: `/111/`, + pathRegexp: `^/111/$`, shouldMatch: false, }, { @@ -290,6 +270,7 @@ func TestPath(t *testing.T) { host: "", path: "/", pathTemplate: `/`, + pathRegexp: `^/$`, shouldMatch: true, }, { @@ -333,6 +314,7 @@ func TestPath(t *testing.T) { host: "", path: "/111/222/333", pathTemplate: `/111/{v1:[0-9]{3}}/333`, + pathRegexp: `^/111/(?P[0-9]{3})/333$`, shouldMatch: false, }, { @@ -343,6 +325,7 @@ func TestPath(t *testing.T) { host: "", path: "/111/222/333", pathTemplate: `/{v1:[0-9]{3}}/{v2:[0-9]{3}}/{v3:[0-9]{3}}`, + pathRegexp: `^/(?P[0-9]{3})/(?P[0-9]{3})/(?P[0-9]{3})$`, shouldMatch: true, }, { @@ -353,6 +336,7 @@ func TestPath(t *testing.T) { host: "", path: "/111/222/333", pathTemplate: `/{v1:[0-9]{3}}/{v2:[0-9]{3}}/{v3:[0-9]{3}}`, + pathRegexp: `^/(?P[0-9]{3})/(?P[0-9]{3})/(?P[0-9]{3})$`, shouldMatch: false, }, { @@ -363,6 +347,7 @@ func TestPath(t *testing.T) { host: "", path: "/a/product_name/1", pathTemplate: `/{category:a|(?:b/c)}/{product}/{id:[0-9]+}`, + pathRegexp: `^/(?Pa|(?:b/c))/(?P[^/]+)/(?P[0-9]+)$`, shouldMatch: true, }, { @@ -373,6 +358,7 @@ func TestPath(t *testing.T) { host: "", path: "/111/222/333", pathTemplate: `/111/{v-1:[0-9]{3}}/333`, + pathRegexp: `^/111/(?P[0-9]{3})/333$`, shouldMatch: true, }, { @@ -383,6 +369,7 @@ func TestPath(t *testing.T) { host: "", path: "/111/222/333", pathTemplate: `/{v-1:[0-9]{3}}/{v-2:[0-9]{3}}/{v-3:[0-9]{3}}`, + pathRegexp: `^/(?P[0-9]{3})/(?P[0-9]{3})/(?P[0-9]{3})$`, shouldMatch: true, }, { @@ -393,6 +380,7 @@ func TestPath(t *testing.T) { host: "", path: "/a/product_name/1", pathTemplate: `/{product-category:a|(?:b/c)}/{product-name}/{product-id:[0-9]+}`, + pathRegexp: `^/(?Pa|(?:b/c))/(?P[^/]+)/(?P[0-9]+)$`, shouldMatch: true, }, { @@ -403,6 +391,7 @@ func TestPath(t *testing.T) { host: "", path: "/daily-2016-01-01", pathTemplate: `/{type:(?i:daily|mini|variety)}-{date:\d{4,4}-\d{2,2}-\d{2,2}}`, + pathRegexp: `^/(?P(?i:daily|mini|variety))-(?P\d{4,4}-\d{2,2}-\d{2,2})$`, shouldMatch: true, }, { @@ -413,14 +402,58 @@ func TestPath(t *testing.T) { host: "", path: "/111/222", pathTemplate: `/{v1:[0-9]*}{v2:[a-z]*}/{v3:[0-9]*}`, + pathRegexp: `^/(?P[0-9]*)(?P[a-z]*)/(?P[0-9]*)$`, + shouldMatch: true, + }, + { + title: "Path route with single pattern with pipe, match", + route: new(Route).Path("/{category:a|b/c}"), + request: newRequest("GET", "http://localhost/a"), + vars: map[string]string{"category": "a"}, + host: "", + path: "/a", + pathTemplate: `/{category:a|b/c}`, + shouldMatch: true, + }, + { + title: "Path route with single pattern with pipe, match", + route: new(Route).Path("/{category:a|b/c}"), + request: newRequest("GET", "http://localhost/b/c"), + vars: map[string]string{"category": "b/c"}, + host: "", + path: "/b/c", + pathTemplate: `/{category:a|b/c}`, + shouldMatch: true, + }, + { + title: "Path route with multiple patterns with pipe, match", + route: new(Route).Path("/{category:a|b/c}/{product}/{id:[0-9]+}"), + request: newRequest("GET", "http://localhost/a/product_name/1"), + vars: map[string]string{"category": "a", "product": "product_name", "id": "1"}, + host: "", + path: "/a/product_name/1", + pathTemplate: `/{category:a|b/c}/{product}/{id:[0-9]+}`, + shouldMatch: true, + }, + { + title: "Path route with multiple patterns with pipe, match", + route: new(Route).Path("/{category:a|b/c}/{product}/{id:[0-9]+}"), + request: newRequest("GET", "http://localhost/b/c/product_name/1"), + vars: map[string]string{"category": "b/c", "product": "product_name", "id": "1"}, + host: "", + path: "/b/c/product_name/1", + pathTemplate: `/{category:a|b/c}/{product}/{id:[0-9]+}`, shouldMatch: true, }, } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - testUseEscapedRoute(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + testUseEscapedRoute(t, test) + testRegexp(t, test) + }) } } @@ -496,21 +529,36 @@ func TestPathPrefix(t *testing.T) { } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - testUseEscapedRoute(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + testUseEscapedRoute(t, test) + }) } } -func TestHostPath(t *testing.T) { +func TestSchemeHostPath(t *testing.T) { tests := []routeTest{ { title: "Host and Path route, match", route: new(Route).Host("aaa.bbb.ccc").Path("/111/222/333"), request: newRequest("GET", "http://aaa.bbb.ccc/111/222/333"), vars: map[string]string{}, - host: "", - path: "", + scheme: "http", + host: "aaa.bbb.ccc", + path: "/111/222/333", + pathTemplate: `/111/222/333`, + hostTemplate: `aaa.bbb.ccc`, + shouldMatch: true, + }, + { + title: "Scheme, Host, and Path route, match", + route: new(Route).Schemes("https").Host("aaa.bbb.ccc").Path("/111/222/333"), + request: newRequest("GET", "https://aaa.bbb.ccc/111/222/333"), + vars: map[string]string{}, + scheme: "https", + host: "aaa.bbb.ccc", + path: "/111/222/333", pathTemplate: `/111/222/333`, hostTemplate: `aaa.bbb.ccc`, shouldMatch: true, @@ -520,8 +568,9 @@ func TestHostPath(t *testing.T) { route: new(Route).Host("aaa.bbb.ccc").Path("/111/222/333"), request: newRequest("GET", "http://aaa.222.ccc/111/222/333"), vars: map[string]string{}, - host: "", - path: "", + scheme: "http", + host: "aaa.bbb.ccc", + path: "/111/222/333", pathTemplate: `/111/222/333`, hostTemplate: `aaa.bbb.ccc`, shouldMatch: false, @@ -531,6 +580,19 @@ func TestHostPath(t *testing.T) { route: new(Route).Host("aaa.{v1:[a-z]{3}}.ccc").Path("/111/{v2:[0-9]{3}}/333"), request: newRequest("GET", "http://aaa.bbb.ccc/111/222/333"), vars: map[string]string{"v1": "bbb", "v2": "222"}, + scheme: "http", + host: "aaa.bbb.ccc", + path: "/111/222/333", + pathTemplate: `/111/{v2:[0-9]{3}}/333`, + hostTemplate: `aaa.{v1:[a-z]{3}}.ccc`, + shouldMatch: true, + }, + { + title: "Scheme, Host, and Path route with host and path patterns, match", + route: new(Route).Schemes("ftp", "ssss").Host("aaa.{v1:[a-z]{3}}.ccc").Path("/111/{v2:[0-9]{3}}/333"), + request: newRequest("GET", "ssss://aaa.bbb.ccc/111/222/333"), + vars: map[string]string{"v1": "bbb", "v2": "222"}, + scheme: "ftp", host: "aaa.bbb.ccc", path: "/111/222/333", pathTemplate: `/111/{v2:[0-9]{3}}/333`, @@ -542,6 +604,7 @@ func TestHostPath(t *testing.T) { route: new(Route).Host("aaa.{v1:[a-z]{3}}.ccc").Path("/111/{v2:[0-9]{3}}/333"), request: newRequest("GET", "http://aaa.222.ccc/111/222/333"), vars: map[string]string{"v1": "bbb", "v2": "222"}, + scheme: "http", host: "aaa.bbb.ccc", path: "/111/222/333", pathTemplate: `/111/{v2:[0-9]{3}}/333`, @@ -553,6 +616,7 @@ func TestHostPath(t *testing.T) { route: new(Route).Host("{v1:[a-z]{3}}.{v2:[a-z]{3}}.{v3:[a-z]{3}}").Path("/{v4:[0-9]{3}}/{v5:[0-9]{3}}/{v6:[0-9]{3}}"), request: newRequest("GET", "http://aaa.bbb.ccc/111/222/333"), vars: map[string]string{"v1": "aaa", "v2": "bbb", "v3": "ccc", "v4": "111", "v5": "222", "v6": "333"}, + scheme: "http", host: "aaa.bbb.ccc", path: "/111/222/333", pathTemplate: `/{v4:[0-9]{3}}/{v5:[0-9]{3}}/{v6:[0-9]{3}}`, @@ -564,6 +628,7 @@ func TestHostPath(t *testing.T) { route: new(Route).Host("{v1:[a-z]{3}}.{v2:[a-z]{3}}.{v3:[a-z]{3}}").Path("/{v4:[0-9]{3}}/{v5:[0-9]{3}}/{v6:[0-9]{3}}"), request: newRequest("GET", "http://aaa.222.ccc/111/222/333"), vars: map[string]string{"v1": "aaa", "v2": "bbb", "v3": "ccc", "v4": "111", "v5": "222", "v6": "333"}, + scheme: "http", host: "aaa.bbb.ccc", path: "/111/222/333", pathTemplate: `/{v4:[0-9]{3}}/{v5:[0-9]{3}}/{v6:[0-9]{3}}`, @@ -573,9 +638,11 @@ func TestHostPath(t *testing.T) { } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - testUseEscapedRoute(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + testUseEscapedRoute(t, test) + }) } } @@ -632,10 +699,11 @@ func TestHeaders(t *testing.T) { } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + }) } - } func TestMethods(t *testing.T) { @@ -647,6 +715,7 @@ func TestMethods(t *testing.T) { vars: map[string]string{}, host: "", path: "", + methods: []string{"GET", "POST"}, shouldMatch: true, }, { @@ -656,6 +725,7 @@ func TestMethods(t *testing.T) { vars: map[string]string{}, host: "", path: "", + methods: []string{"GET", "POST"}, shouldMatch: true, }, { @@ -665,363 +735,471 @@ func TestMethods(t *testing.T) { vars: map[string]string{}, host: "", path: "", + methods: []string{"GET", "POST"}, shouldMatch: false, }, + { + title: "Route without methods", + route: new(Route), + request: newRequest("PUT", "http://localhost"), + vars: map[string]string{}, + host: "", + path: "", + methods: []string{}, + shouldMatch: true, + }, } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + testMethods(t, test) + }) } } func TestQueries(t *testing.T) { tests := []routeTest{ { - title: "Queries route, match", - route: new(Route).Queries("foo", "bar", "baz", "ding"), - request: newRequest("GET", "http://localhost?foo=bar&baz=ding"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Queries route, match with a query string", - route: new(Route).Host("www.example.com").Path("/api").Queries("foo", "bar", "baz", "ding"), - request: newRequest("GET", "http://www.example.com/api?foo=bar&baz=ding"), - vars: map[string]string{}, - host: "", - path: "", - pathTemplate: `/api`, - hostTemplate: `www.example.com`, - shouldMatch: true, - }, - { - title: "Queries route, match with a query string out of order", - route: new(Route).Host("www.example.com").Path("/api").Queries("foo", "bar", "baz", "ding"), - request: newRequest("GET", "http://www.example.com/api?baz=ding&foo=bar"), - vars: map[string]string{}, - host: "", - path: "", - pathTemplate: `/api`, - hostTemplate: `www.example.com`, - shouldMatch: true, - }, - { - title: "Queries route, bad query", - route: new(Route).Queries("foo", "bar", "baz", "ding"), - request: newRequest("GET", "http://localhost?foo=bar&baz=dong"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - { - title: "Queries route with pattern, match", - route: new(Route).Queries("foo", "{v1}"), - request: newRequest("GET", "http://localhost?foo=bar"), - vars: map[string]string{"v1": "bar"}, - host: "", - path: "", - shouldMatch: true, + title: "Queries route, match", + route: new(Route).Queries("foo", "bar", "baz", "ding"), + request: newRequest("GET", "http://localhost?foo=bar&baz=ding"), + vars: map[string]string{}, + host: "", + path: "", + query: "foo=bar&baz=ding", + queriesTemplate: "foo=bar,baz=ding", + queriesRegexp: "^foo=bar$,^baz=ding$", + shouldMatch: true, + }, + { + title: "Queries route, match with a query string", + route: new(Route).Host("www.example.com").Path("/api").Queries("foo", "bar", "baz", "ding"), + request: newRequest("GET", "http://www.example.com/api?foo=bar&baz=ding"), + vars: map[string]string{}, + host: "", + path: "", + query: "foo=bar&baz=ding", + pathTemplate: `/api`, + hostTemplate: `www.example.com`, + queriesTemplate: "foo=bar,baz=ding", + queriesRegexp: "^foo=bar$,^baz=ding$", + shouldMatch: true, + }, + { + title: "Queries route, match with a query string out of order", + route: new(Route).Host("www.example.com").Path("/api").Queries("foo", "bar", "baz", "ding"), + request: newRequest("GET", "http://www.example.com/api?baz=ding&foo=bar"), + vars: map[string]string{}, + host: "", + path: "", + query: "foo=bar&baz=ding", + pathTemplate: `/api`, + hostTemplate: `www.example.com`, + queriesTemplate: "foo=bar,baz=ding", + queriesRegexp: "^foo=bar$,^baz=ding$", + shouldMatch: true, + }, + { + title: "Queries route, bad query", + route: new(Route).Queries("foo", "bar", "baz", "ding"), + request: newRequest("GET", "http://localhost?foo=bar&baz=dong"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo=bar,baz=ding", + queriesRegexp: "^foo=bar$,^baz=ding$", + shouldMatch: false, + }, + { + title: "Queries route with pattern, match", + route: new(Route).Queries("foo", "{v1}"), + request: newRequest("GET", "http://localhost?foo=bar"), + vars: map[string]string{"v1": "bar"}, + host: "", + path: "", + query: "foo=bar", + queriesTemplate: "foo={v1}", + queriesRegexp: "^foo=(?P.*)$", + shouldMatch: true, + }, + { + title: "Queries route with multiple patterns, match", + route: new(Route).Queries("foo", "{v1}", "baz", "{v2}"), + request: newRequest("GET", "http://localhost?foo=bar&baz=ding"), + vars: map[string]string{"v1": "bar", "v2": "ding"}, + host: "", + path: "", + query: "foo=bar&baz=ding", + queriesTemplate: "foo={v1},baz={v2}", + queriesRegexp: "^foo=(?P.*)$,^baz=(?P.*)$", + shouldMatch: true, + }, + { + title: "Queries route with regexp pattern, match", + route: new(Route).Queries("foo", "{v1:[0-9]+}"), + request: newRequest("GET", "http://localhost?foo=10"), + vars: map[string]string{"v1": "10"}, + host: "", + path: "", + query: "foo=10", + queriesTemplate: "foo={v1:[0-9]+}", + queriesRegexp: "^foo=(?P[0-9]+)$", + shouldMatch: true, + }, + { + title: "Queries route with regexp pattern, regexp does not match", + route: new(Route).Queries("foo", "{v1:[0-9]+}"), + request: newRequest("GET", "http://localhost?foo=a"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo={v1:[0-9]+}", + queriesRegexp: "^foo=(?P[0-9]+)$", + shouldMatch: false, + }, + { + title: "Queries route with regexp pattern with quantifier, match", + route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), + request: newRequest("GET", "http://localhost?foo=1"), + vars: map[string]string{"v1": "1"}, + host: "", + path: "", + query: "foo=1", + queriesTemplate: "foo={v1:[0-9]{1}}", + queriesRegexp: "^foo=(?P[0-9]{1})$", + shouldMatch: true, + }, + { + title: "Queries route with regexp pattern with quantifier, additional variable in query string, match", + route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), + request: newRequest("GET", "http://localhost?bar=2&foo=1"), + vars: map[string]string{"v1": "1"}, + host: "", + path: "", + query: "foo=1", + queriesTemplate: "foo={v1:[0-9]{1}}", + queriesRegexp: "^foo=(?P[0-9]{1})$", + shouldMatch: true, + }, + { + title: "Queries route with regexp pattern with quantifier, regexp does not match", + route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), + request: newRequest("GET", "http://localhost?foo=12"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo={v1:[0-9]{1}}", + queriesRegexp: "^foo=(?P[0-9]{1})$", + shouldMatch: false, + }, + { + title: "Queries route with regexp pattern with quantifier, additional capturing group", + route: new(Route).Queries("foo", "{v1:[0-9]{1}(?:a|b)}"), + request: newRequest("GET", "http://localhost?foo=1a"), + vars: map[string]string{"v1": "1a"}, + host: "", + path: "", + query: "foo=1a", + queriesTemplate: "foo={v1:[0-9]{1}(?:a|b)}", + queriesRegexp: "^foo=(?P[0-9]{1}(?:a|b))$", + shouldMatch: true, + }, + { + title: "Queries route with regexp pattern with quantifier, additional variable in query string, regexp does not match", + route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), + request: newRequest("GET", "http://localhost?foo=12"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo={v1:[0-9]{1}}", + queriesRegexp: "^foo=(?P[0-9]{1})$", + shouldMatch: false, + }, + { + title: "Queries route with hyphenated name, match", + route: new(Route).Queries("foo", "{v-1}"), + request: newRequest("GET", "http://localhost?foo=bar"), + vars: map[string]string{"v-1": "bar"}, + host: "", + path: "", + query: "foo=bar", + queriesTemplate: "foo={v-1}", + queriesRegexp: "^foo=(?P.*)$", + shouldMatch: true, + }, + { + title: "Queries route with multiple hyphenated names, match", + route: new(Route).Queries("foo", "{v-1}", "baz", "{v-2}"), + request: newRequest("GET", "http://localhost?foo=bar&baz=ding"), + vars: map[string]string{"v-1": "bar", "v-2": "ding"}, + host: "", + path: "", + query: "foo=bar&baz=ding", + queriesTemplate: "foo={v-1},baz={v-2}", + queriesRegexp: "^foo=(?P.*)$,^baz=(?P.*)$", + shouldMatch: true, + }, + { + title: "Queries route with hyphenate name and pattern, match", + route: new(Route).Queries("foo", "{v-1:[0-9]+}"), + request: newRequest("GET", "http://localhost?foo=10"), + vars: map[string]string{"v-1": "10"}, + host: "", + path: "", + query: "foo=10", + queriesTemplate: "foo={v-1:[0-9]+}", + queriesRegexp: "^foo=(?P[0-9]+)$", + shouldMatch: true, + }, + { + title: "Queries route with hyphenated name and pattern with quantifier, additional capturing group", + route: new(Route).Queries("foo", "{v-1:[0-9]{1}(?:a|b)}"), + request: newRequest("GET", "http://localhost?foo=1a"), + vars: map[string]string{"v-1": "1a"}, + host: "", + path: "", + query: "foo=1a", + queriesTemplate: "foo={v-1:[0-9]{1}(?:a|b)}", + queriesRegexp: "^foo=(?P[0-9]{1}(?:a|b))$", + shouldMatch: true, + }, + { + title: "Queries route with empty value, should match", + route: new(Route).Queries("foo", ""), + request: newRequest("GET", "http://localhost?foo=bar"), + vars: map[string]string{}, + host: "", + path: "", + query: "foo=", + queriesTemplate: "foo=", + queriesRegexp: "^foo=.*$", + shouldMatch: true, + }, + { + title: "Queries route with empty value and no parameter in request, should not match", + route: new(Route).Queries("foo", ""), + request: newRequest("GET", "http://localhost"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo=", + queriesRegexp: "^foo=.*$", + shouldMatch: false, + }, + { + title: "Queries route with empty value and empty parameter in request, should match", + route: new(Route).Queries("foo", ""), + request: newRequest("GET", "http://localhost?foo="), + vars: map[string]string{}, + host: "", + path: "", + query: "foo=", + queriesTemplate: "foo=", + queriesRegexp: "^foo=.*$", + shouldMatch: true, + }, + { + title: "Queries route with overlapping value, should not match", + route: new(Route).Queries("foo", "bar"), + request: newRequest("GET", "http://localhost?foo=barfoo"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo=bar", + queriesRegexp: "^foo=bar$", + shouldMatch: false, + }, + { + title: "Queries route with no parameter in request, should not match", + route: new(Route).Queries("foo", "{bar}"), + request: newRequest("GET", "http://localhost"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo={bar}", + queriesRegexp: "^foo=(?P.*)$", + shouldMatch: false, + }, + { + title: "Queries route with empty parameter in request, should match", + route: new(Route).Queries("foo", "{bar}"), + request: newRequest("GET", "http://localhost?foo="), + vars: map[string]string{"foo": ""}, + host: "", + path: "", + query: "foo=", + queriesTemplate: "foo={bar}", + queriesRegexp: "^foo=(?P.*)$", + shouldMatch: true, + }, + { + title: "Queries route, bad submatch", + route: new(Route).Queries("foo", "bar", "baz", "ding"), + request: newRequest("GET", "http://localhost?fffoo=bar&baz=dingggg"), + vars: map[string]string{}, + host: "", + path: "", + queriesTemplate: "foo=bar,baz=ding", + queriesRegexp: "^foo=bar$,^baz=ding$", + shouldMatch: false, + }, + { + title: "Queries route with pattern, match, escaped value", + route: new(Route).Queries("foo", "{v1}"), + request: newRequest("GET", "http://localhost?foo=%25bar%26%20%2F%3D%3F"), + vars: map[string]string{"v1": "%bar& /=?"}, + host: "", + path: "", + query: "foo=%25bar%26+%2F%3D%3F", + queriesTemplate: "foo={v1}", + queriesRegexp: "^foo=(?P.*)$", + shouldMatch: true, }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testTemplate(t, test) + testQueriesTemplates(t, test) + testUseEscapedRoute(t, test) + testQueriesRegexp(t, test) + }) + } +} + +func TestSchemes(t *testing.T) { + tests := []routeTest{ + // Schemes { - title: "Queries route with multiple patterns, match", - route: new(Route).Queries("foo", "{v1}", "baz", "{v2}"), - request: newRequest("GET", "http://localhost?foo=bar&baz=ding"), - vars: map[string]string{"v1": "bar", "v2": "ding"}, - host: "", - path: "", + title: "Schemes route, default scheme, match http, build http", + route: new(Route).Host("localhost"), + request: newRequest("GET", "http://localhost"), + scheme: "http", + host: "localhost", shouldMatch: true, }, { - title: "Queries route with regexp pattern, match", - route: new(Route).Queries("foo", "{v1:[0-9]+}"), - request: newRequest("GET", "http://localhost?foo=10"), - vars: map[string]string{"v1": "10"}, - host: "", - path: "", + title: "Schemes route, match https, build https", + route: new(Route).Schemes("https", "ftp").Host("localhost"), + request: newRequest("GET", "https://localhost"), + scheme: "https", + host: "localhost", shouldMatch: true, }, { - title: "Queries route with regexp pattern, regexp does not match", - route: new(Route).Queries("foo", "{v1:[0-9]+}"), - request: newRequest("GET", "http://localhost?foo=a"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - { - title: "Queries route with regexp pattern with quantifier, match", - route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), - request: newRequest("GET", "http://localhost?foo=1"), - vars: map[string]string{"v1": "1"}, - host: "", - path: "", + title: "Schemes route, match ftp, build https", + route: new(Route).Schemes("https", "ftp").Host("localhost"), + request: newRequest("GET", "ftp://localhost"), + scheme: "https", + host: "localhost", shouldMatch: true, }, { - title: "Queries route with regexp pattern with quantifier, additional variable in query string, match", - route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), - request: newRequest("GET", "http://localhost?bar=2&foo=1"), - vars: map[string]string{"v1": "1"}, - host: "", - path: "", + title: "Schemes route, match ftp, build ftp", + route: new(Route).Schemes("ftp", "https").Host("localhost"), + request: newRequest("GET", "ftp://localhost"), + scheme: "ftp", + host: "localhost", shouldMatch: true, }, { - title: "Queries route with regexp pattern with quantifier, regexp does not match", - route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), - request: newRequest("GET", "http://localhost?foo=12"), - vars: map[string]string{}, - host: "", - path: "", + title: "Schemes route, bad scheme", + route: new(Route).Schemes("https", "ftp").Host("localhost"), + request: newRequest("GET", "http://localhost"), + scheme: "https", + host: "localhost", shouldMatch: false, }, + } + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + }) + } +} + +func TestMatcherFunc(t *testing.T) { + m := func(r *http.Request, m *RouteMatch) bool { + return r.URL.Host == "aaa.bbb.ccc" + } + + tests := []routeTest{ { - title: "Queries route with regexp pattern with quantifier, additional capturing group", - route: new(Route).Queries("foo", "{v1:[0-9]{1}(?:a|b)}"), - request: newRequest("GET", "http://localhost?foo=1a"), - vars: map[string]string{"v1": "1a"}, + title: "MatchFunc route, match", + route: new(Route).MatcherFunc(m), + request: newRequest("GET", "http://aaa.bbb.ccc"), + vars: map[string]string{}, host: "", path: "", shouldMatch: true, }, { - title: "Queries route with regexp pattern with quantifier, additional variable in query string, regexp does not match", - route: new(Route).Queries("foo", "{v1:[0-9]{1}}"), - request: newRequest("GET", "http://localhost?foo=12"), + title: "MatchFunc route, non-match", + route: new(Route).MatcherFunc(m), + request: newRequest("GET", "http://aaa.222.ccc"), vars: map[string]string{}, host: "", path: "", shouldMatch: false, }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + }) + } +} + +func TestBuildVarsFunc(t *testing.T) { + tests := []routeTest{ { - title: "Queries route with hyphenated name, match", - route: new(Route).Queries("foo", "{v-1}"), - request: newRequest("GET", "http://localhost?foo=bar"), - vars: map[string]string{"v-1": "bar"}, - host: "", - path: "", - shouldMatch: true, + title: "BuildVarsFunc set on route", + route: new(Route).Path(`/111/{v1:\d}{v2:.*}`).BuildVarsFunc(func(vars map[string]string) map[string]string { + vars["v1"] = "3" + vars["v2"] = "a" + return vars + }), + request: newRequest("GET", "http://localhost/111/2"), + path: "/111/3a", + pathTemplate: `/111/{v1:\d}{v2:.*}`, + shouldMatch: true, }, { - title: "Queries route with multiple hyphenated names, match", - route: new(Route).Queries("foo", "{v-1}", "baz", "{v-2}"), - request: newRequest("GET", "http://localhost?foo=bar&baz=ding"), - vars: map[string]string{"v-1": "bar", "v-2": "ding"}, - host: "", - path: "", - shouldMatch: true, + title: "BuildVarsFunc set on route and parent route", + route: new(Route).PathPrefix(`/{v1:\d}`).BuildVarsFunc(func(vars map[string]string) map[string]string { + vars["v1"] = "2" + return vars + }).Subrouter().Path(`/{v2:\w}`).BuildVarsFunc(func(vars map[string]string) map[string]string { + vars["v2"] = "b" + return vars + }), + request: newRequest("GET", "http://localhost/1/a"), + path: "/2/b", + pathTemplate: `/{v1:\d}/{v2:\w}`, + shouldMatch: true, }, - { - title: "Queries route with hyphenate name and pattern, match", - route: new(Route).Queries("foo", "{v-1:[0-9]+}"), - request: newRequest("GET", "http://localhost?foo=10"), - vars: map[string]string{"v-1": "10"}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Queries route with hyphenated name and pattern with quantifier, additional capturing group", - route: new(Route).Queries("foo", "{v-1:[0-9]{1}(?:a|b)}"), - request: newRequest("GET", "http://localhost?foo=1a"), - vars: map[string]string{"v-1": "1a"}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Queries route with empty value, should match", - route: new(Route).Queries("foo", ""), - request: newRequest("GET", "http://localhost?foo=bar"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Queries route with empty value and no parameter in request, should not match", - route: new(Route).Queries("foo", ""), - request: newRequest("GET", "http://localhost"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - { - title: "Queries route with empty value and empty parameter in request, should match", - route: new(Route).Queries("foo", ""), - request: newRequest("GET", "http://localhost?foo="), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Queries route with overlapping value, should not match", - route: new(Route).Queries("foo", "bar"), - request: newRequest("GET", "http://localhost?foo=barfoo"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - { - title: "Queries route with no parameter in request, should not match", - route: new(Route).Queries("foo", "{bar}"), - request: newRequest("GET", "http://localhost"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - { - title: "Queries route with empty parameter in request, should match", - route: new(Route).Queries("foo", "{bar}"), - request: newRequest("GET", "http://localhost?foo="), - vars: map[string]string{"foo": ""}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Queries route, bad submatch", - route: new(Route).Queries("foo", "bar", "baz", "ding"), - request: newRequest("GET", "http://localhost?fffoo=bar&baz=dingggg"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - } - - for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - testUseEscapedRoute(t, test) - } -} - -func TestSchemes(t *testing.T) { - tests := []routeTest{ - // Schemes - { - title: "Schemes route, match https", - route: new(Route).Schemes("https", "ftp"), - request: newRequest("GET", "https://localhost"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Schemes route, match ftp", - route: new(Route).Schemes("https", "ftp"), - request: newRequest("GET", "ftp://localhost"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "Schemes route, bad scheme", - route: new(Route).Schemes("https", "ftp"), - request: newRequest("GET", "http://localhost"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - } - for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - } -} - -func TestMatcherFunc(t *testing.T) { - m := func(r *http.Request, m *RouteMatch) bool { - if r.URL.Host == "aaa.bbb.ccc" { - return true - } - return false - } - - tests := []routeTest{ - { - title: "MatchFunc route, match", - route: new(Route).MatcherFunc(m), - request: newRequest("GET", "http://aaa.bbb.ccc"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: true, - }, - { - title: "MatchFunc route, non-match", - route: new(Route).MatcherFunc(m), - request: newRequest("GET", "http://aaa.222.ccc"), - vars: map[string]string{}, - host: "", - path: "", - shouldMatch: false, - }, - } - - for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - } -} - -func TestBuildVarsFunc(t *testing.T) { - tests := []routeTest{ - { - title: "BuildVarsFunc set on route", - route: new(Route).Path(`/111/{v1:\d}{v2:.*}`).BuildVarsFunc(func(vars map[string]string) map[string]string { - vars["v1"] = "3" - vars["v2"] = "a" - return vars - }), - request: newRequest("GET", "http://localhost/111/2"), - path: "/111/3a", - pathTemplate: `/111/{v1:\d}{v2:.*}`, - shouldMatch: true, - }, - { - title: "BuildVarsFunc set on route and parent route", - route: new(Route).PathPrefix(`/{v1:\d}`).BuildVarsFunc(func(vars map[string]string) map[string]string { - vars["v1"] = "2" - return vars - }).Subrouter().Path(`/{v2:\w}`).BuildVarsFunc(func(vars map[string]string) map[string]string { - vars["v2"] = "b" - return vars - }), - request: newRequest("GET", "http://localhost/1/a"), - path: "/2/b", - pathTemplate: `/{v1:\d}/{v2:\w}`, - shouldMatch: true, - }, - } - - for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - } -} - -func TestSubRouter(t *testing.T) { - subrouter1 := new(Route).Host("{v1:[a-z]+}.google.com").Subrouter() - subrouter2 := new(Route).PathPrefix("/foo/{v1}").Subrouter() - subrouter3 := new(Route).PathPrefix("/foo").Subrouter() - subrouter4 := new(Route).PathPrefix("/foo/bar").Subrouter() - subrouter5 := new(Route).PathPrefix("/{category}").Subrouter() - - tests := []routeTest{ + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + }) + } +} + +func TestSubRouter(t *testing.T) { + subrouter1 := new(Route).Host("{v1:[a-z]+}.google.com").Subrouter() + subrouter2 := new(Route).PathPrefix("/foo/{v1}").Subrouter() + subrouter3 := new(Route).PathPrefix("/foo").Subrouter() + subrouter4 := new(Route).PathPrefix("/foo/bar").Subrouter() + subrouter5 := new(Route).PathPrefix("/{category}").Subrouter() + tests := []routeTest{ { route: subrouter1.Path("/{v2:[a-z]+}"), request: newRequest("GET", "http://aaa.google.com/bbb"), @@ -1115,12 +1293,136 @@ func TestSubRouter(t *testing.T) { pathTemplate: `/{category}`, shouldMatch: true, }, + { + title: "Mismatch method specified on parent route", + route: new(Route).Methods("POST").PathPrefix("/foo").Subrouter().Path("/"), + request: newRequest("GET", "http://localhost/foo/"), + vars: map[string]string{}, + host: "", + path: "/foo/", + pathTemplate: `/foo/`, + shouldMatch: false, + }, + { + title: "Match method specified on parent route", + route: new(Route).Methods("POST").PathPrefix("/foo").Subrouter().Path("/"), + request: newRequest("POST", "http://localhost/foo/"), + vars: map[string]string{}, + host: "", + path: "/foo/", + pathTemplate: `/foo/`, + shouldMatch: true, + }, + { + title: "Mismatch scheme specified on parent route", + route: new(Route).Schemes("https").Subrouter().PathPrefix("/"), + request: newRequest("GET", "http://localhost/"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: false, + }, + { + title: "Match scheme specified on parent route", + route: new(Route).Schemes("http").Subrouter().PathPrefix("/"), + request: newRequest("GET", "http://localhost/"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: true, + }, + { + title: "No match header specified on parent route", + route: new(Route).Headers("X-Forwarded-Proto", "https").Subrouter().PathPrefix("/"), + request: newRequest("GET", "http://localhost/"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: false, + }, + { + title: "Header mismatch value specified on parent route", + route: new(Route).Headers("X-Forwarded-Proto", "https").Subrouter().PathPrefix("/"), + request: newRequestWithHeaders("GET", "http://localhost/", "X-Forwarded-Proto", "http"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: false, + }, + { + title: "Header match value specified on parent route", + route: new(Route).Headers("X-Forwarded-Proto", "https").Subrouter().PathPrefix("/"), + request: newRequestWithHeaders("GET", "http://localhost/", "X-Forwarded-Proto", "https"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: true, + }, + { + title: "Query specified on parent route not present", + route: new(Route).Headers("key", "foobar").Subrouter().PathPrefix("/"), + request: newRequest("GET", "http://localhost/"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: false, + }, + { + title: "Query mismatch value specified on parent route", + route: new(Route).Queries("key", "foobar").Subrouter().PathPrefix("/"), + request: newRequest("GET", "http://localhost/?key=notfoobar"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: false, + }, + { + title: "Query match value specified on subroute", + route: new(Route).Queries("key", "foobar").Subrouter().PathPrefix("/"), + request: newRequest("GET", "http://localhost/?key=foobar"), + vars: map[string]string{}, + host: "", + path: "/", + pathTemplate: `/`, + shouldMatch: true, + }, + { + title: "Build with scheme on parent router", + route: new(Route).Schemes("ftp").Host("google.com").Subrouter().Path("/"), + request: newRequest("GET", "ftp://google.com/"), + scheme: "ftp", + host: "google.com", + path: "/", + pathTemplate: `/`, + hostTemplate: `google.com`, + shouldMatch: true, + }, + { + title: "Prefer scheme on child route when building URLs", + route: new(Route).Schemes("https", "ftp").Host("google.com").Subrouter().Schemes("ftp").Path("/"), + request: newRequest("GET", "ftp://google.com/"), + scheme: "ftp", + host: "google.com", + path: "/", + pathTemplate: `/`, + hostTemplate: `google.com`, + shouldMatch: true, + }, } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - testUseEscapedRoute(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + testUseEscapedRoute(t, test) + }) } } @@ -1139,14 +1441,24 @@ func TestNamedRoutes(t *testing.T) { r3.NewRoute().Name("g") r3.NewRoute().Name("h") r3.NewRoute().Name("i") + r3.Name("j") - if r1.namedRoutes == nil || len(r1.namedRoutes) != 9 { - t.Errorf("Expected 9 named routes, got %v", r1.namedRoutes) - } else if r1.Get("i") == nil { + if r1.namedRoutes == nil || len(r1.namedRoutes) != 10 { + t.Errorf("Expected 10 named routes, got %v", r1.namedRoutes) + } else if r1.Get("j") == nil { t.Errorf("Subroute name not registered") } } +func TestNameMultipleCalls(t *testing.T) { + r1 := NewRouter() + rt := r1.NewRoute().Name("foo").Name("bar") + err := rt.GetError() + if err == nil { + t.Errorf("Expected an error") + } +} + func TestStrictSlash(t *testing.T) { r := NewRouter() r.StrictSlash(true) @@ -1215,9 +1527,11 @@ func TestStrictSlash(t *testing.T) { } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) - testUseEscapedRoute(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + testUseEscapedRoute(t, test) + }) } } @@ -1249,8 +1563,10 @@ func TestUseEncodedPath(t *testing.T) { } for _, test := range tests { - testRoute(t, test) - testTemplate(t, test) + t.Run(test.title, func(t *testing.T) { + testRoute(t, test) + testTemplate(t, test) + }) } } @@ -1285,36 +1601,84 @@ func TestWalkSingleDepth(t *testing.T) { if len(ancestors) != depths[i] { t.Errorf(`Expected depth of %d at i = %d; got "%d"`, depths[i], i, len(ancestors)) } - if matcher.template != "/"+paths[i] { - t.Errorf(`Expected "/%s" at i = %d; got "%s"`, paths[i], i, matcher.template) + if matcher.template != "/"+paths[i] { + t.Errorf(`Expected "/%s" at i = %d; got "%s"`, paths[i], i, matcher.template) + } + i++ + return nil + }) + if err != nil { + panic(err) + } + if i != len(paths) { + t.Errorf("Expected %d routes, found %d", len(paths), i) + } +} + +func TestWalkNested(t *testing.T) { + router := NewRouter() + + routeSubrouter := func(r *Route) (*Route, *Router) { + return r, r.Subrouter() + } + + gRoute, g := routeSubrouter(router.Path("/g")) + oRoute, o := routeSubrouter(g.PathPrefix("/o")) + rRoute, r := routeSubrouter(o.PathPrefix("/r")) + iRoute, i := routeSubrouter(r.PathPrefix("/i")) + l1Route, l1 := routeSubrouter(i.PathPrefix("/l")) + l2Route, l2 := routeSubrouter(l1.PathPrefix("/l")) + l2.Path("/a") + + testCases := []struct { + path string + ancestors []*Route + }{ + {"/g", []*Route{}}, + {"/g/o", []*Route{gRoute}}, + {"/g/o/r", []*Route{gRoute, oRoute}}, + {"/g/o/r/i", []*Route{gRoute, oRoute, rRoute}}, + {"/g/o/r/i/l", []*Route{gRoute, oRoute, rRoute, iRoute}}, + {"/g/o/r/i/l/l", []*Route{gRoute, oRoute, rRoute, iRoute, l1Route}}, + {"/g/o/r/i/l/l/a", []*Route{gRoute, oRoute, rRoute, iRoute, l1Route, l2Route}}, + } + + idx := 0 + err := router.Walk(func(route *Route, router *Router, ancestors []*Route) error { + path := testCases[idx].path + tpl := route.regexp.path.template + if tpl != path { + t.Errorf(`Expected %s got %s`, path, tpl) + } + currWantAncestors := testCases[idx].ancestors + if !reflect.DeepEqual(currWantAncestors, ancestors) { + t.Errorf(`Expected %+v got %+v`, currWantAncestors, ancestors) } - i++ + idx++ return nil }) if err != nil { panic(err) } - if i != len(paths) { - t.Errorf("Expected %d routes, found %d", len(paths), i) + if idx != len(testCases) { + t.Errorf("Expected %d routes, found %d", len(testCases), idx) } } -func TestWalkNested(t *testing.T) { +func TestWalkSubrouters(t *testing.T) { router := NewRouter() g := router.Path("/g").Subrouter() o := g.PathPrefix("/o").Subrouter() - r := o.PathPrefix("/r").Subrouter() - i := r.PathPrefix("/i").Subrouter() - l1 := i.PathPrefix("/l").Subrouter() - l2 := l1.PathPrefix("/l").Subrouter() - l2.Path("/a") + o.Methods("GET") + o.Methods("PUT") - paths := []string{"/g", "/g/o", "/g/o/r", "/g/o/r/i", "/g/o/r/i/l", "/g/o/r/i/l/l", "/g/o/r/i/l/l/a"} + // all 4 routes should be matched + paths := []string{"/g", "/g/o", "/g/o", "/g/o"} idx := 0 err := router.Walk(func(route *Route, router *Router, ancestors []*Route) error { path := paths[idx] - tpl := route.regexp.path.template + tpl, _ := route.GetPathTemplate() if tpl != path { t.Errorf(`Expected %s got %s`, path, tpl) } @@ -1393,7 +1757,7 @@ func TestSubrouterErrorHandling(t *testing.T) { func TestPanicOnCapturingGroups(t *testing.T) { defer func() { if recover() == nil { - t.Errorf("(Test that capturing groups now fail fast) Expected panic, however test completed sucessfully.\n") + t.Errorf("(Test that capturing groups now fail fast) Expected panic, however test completed successfully.\n") } }() NewRouter().NewRoute().Path("/{type:(promo|special)}/{promoId}.json") @@ -1420,10 +1784,16 @@ func testRoute(t *testing.T, test routeTest) { route := test.route vars := test.vars shouldMatch := test.shouldMatch - host := test.host - path := test.path - url := test.host + test.path + query := test.query shouldRedirect := test.shouldRedirect + uri := url.URL{ + Scheme: test.scheme, + Host: test.host, + Path: test.path, + } + if uri.Scheme == "" { + uri.Scheme = "http" + } var match RouteMatch ok := route.Match(request, &match) @@ -1436,28 +1806,62 @@ func testRoute(t *testing.T, test routeTest) { return } if shouldMatch { - if test.vars != nil && !stringMapEqual(test.vars, match.Vars) { + if vars != nil && !stringMapEqual(vars, match.Vars) { t.Errorf("(%v) Vars not equal: expected %v, got %v", test.title, vars, match.Vars) return } - if host != "" { - u, _ := test.route.URLHost(mapToPairs(match.Vars)...) - if host != u.Host { - t.Errorf("(%v) URLHost not equal: expected %v, got %v -- %v", test.title, host, u.Host, getRouteTemplate(route)) + if test.scheme != "" { + u, err := route.URL(mapToPairs(match.Vars)...) + if err != nil { + t.Fatalf("(%v) URL error: %v -- %v", test.title, err, getRouteTemplate(route)) + } + if uri.Scheme != u.Scheme { + t.Errorf("(%v) URLScheme not equal: expected %v, got %v", test.title, uri.Scheme, u.Scheme) + return + } + } + if test.host != "" { + u, err := test.route.URLHost(mapToPairs(match.Vars)...) + if err != nil { + t.Fatalf("(%v) URLHost error: %v -- %v", test.title, err, getRouteTemplate(route)) + } + if uri.Scheme != u.Scheme { + t.Errorf("(%v) URLHost scheme not equal: expected %v, got %v -- %v", test.title, uri.Scheme, u.Scheme, getRouteTemplate(route)) + return + } + if uri.Host != u.Host { + t.Errorf("(%v) URLHost host not equal: expected %v, got %v -- %v", test.title, uri.Host, u.Host, getRouteTemplate(route)) + return + } + } + if test.path != "" { + u, err := route.URLPath(mapToPairs(match.Vars)...) + if err != nil { + t.Fatalf("(%v) URLPath error: %v -- %v", test.title, err, getRouteTemplate(route)) + } + if uri.Path != u.Path { + t.Errorf("(%v) URLPath not equal: expected %v, got %v -- %v", test.title, uri.Path, u.Path, getRouteTemplate(route)) return } } - if path != "" { - u, _ := route.URLPath(mapToPairs(match.Vars)...) - if path != u.Path { - t.Errorf("(%v) URLPath not equal: expected %v, got %v -- %v", test.title, path, u.Path, getRouteTemplate(route)) + if test.host != "" && test.path != "" { + u, err := route.URL(mapToPairs(match.Vars)...) + if err != nil { + t.Fatalf("(%v) URL error: %v -- %v", test.title, err, getRouteTemplate(route)) + } + if expected, got := uri.String(), u.String(); expected != got { + t.Errorf("(%v) URL not equal: expected %v, got %v -- %v", test.title, expected, got, getRouteTemplate(route)) return } } - if url != "" { - u, _ := route.URL(mapToPairs(match.Vars)...) - if url != u.Host+u.Path { - t.Errorf("(%v) URL not equal: expected %v, got %v -- %v", test.title, url, u.Host+u.Path, getRouteTemplate(route)) + if query != "" { + u, err := route.URL(mapToPairs(match.Vars)...) + if err != nil { + t.Errorf("(%v) erred while creating url: %v", test.title, err) + return + } + if query != u.RawQuery { + t.Errorf("(%v) URL query not equal: expected %v, got %v", test.title, query, u.RawQuery) return } } @@ -1499,20 +1903,54 @@ func testTemplate(t *testing.T, test routeTest) { } } +func testMethods(t *testing.T, test routeTest) { + route := test.route + methods, _ := route.GetMethods() + if strings.Join(methods, ",") != strings.Join(test.methods, ",") { + t.Errorf("(%v) GetMethods not equal: expected %v, got %v", test.title, test.methods, methods) + } +} + +func testRegexp(t *testing.T, test routeTest) { + route := test.route + routePathRegexp, regexpErr := route.GetPathRegexp() + if test.pathRegexp != "" && regexpErr == nil && routePathRegexp != test.pathRegexp { + t.Errorf("(%v) GetPathRegexp not equal: expected %v, got %v", test.title, test.pathRegexp, routePathRegexp) + } +} + +func testQueriesRegexp(t *testing.T, test routeTest) { + route := test.route + queries, queriesErr := route.GetQueriesRegexp() + gotQueries := strings.Join(queries, ",") + if test.queriesRegexp != "" && queriesErr == nil && gotQueries != test.queriesRegexp { + t.Errorf("(%v) GetQueriesRegexp not equal: expected %v, got %v", test.title, test.queriesRegexp, gotQueries) + } +} + +func testQueriesTemplates(t *testing.T, test routeTest) { + route := test.route + queries, queriesErr := route.GetQueriesTemplates() + gotQueries := strings.Join(queries, ",") + if test.queriesTemplate != "" && queriesErr == nil && gotQueries != test.queriesTemplate { + t.Errorf("(%v) GetQueriesTemplates not equal: expected %v, got %v", test.title, test.queriesTemplate, gotQueries) + } +} + type TestA301ResponseWriter struct { hh http.Header status int } -func (ho TestA301ResponseWriter) Header() http.Header { +func (ho *TestA301ResponseWriter) Header() http.Header { return http.Header(ho.hh) } -func (ho TestA301ResponseWriter) Write(b []byte) (int, error) { +func (ho *TestA301ResponseWriter) Write(b []byte) (int, error) { return 0, nil } -func (ho TestA301ResponseWriter) WriteHeader(code int) { +func (ho *TestA301ResponseWriter) WriteHeader(code int) { ho.status = code } @@ -1587,6 +2025,726 @@ func TestSubrouterHeader(t *testing.T) { } } +func TestNoMatchMethodErrorHandler(t *testing.T) { + func1 := func(w http.ResponseWriter, r *http.Request) {} + + r := NewRouter() + r.HandleFunc("/", func1).Methods("GET", "POST") + + req, _ := http.NewRequest("PUT", "http://localhost/", nil) + match := new(RouteMatch) + matched := r.Match(req, match) + + if matched { + t.Error("Should not have matched route for methods") + } + + if match.MatchErr != ErrMethodMismatch { + t.Error("Should get ErrMethodMismatch error") + } + + resp := NewRecorder() + r.ServeHTTP(resp, req) + if resp.Code != 405 { + t.Errorf("Expecting code %v", 405) + } + + // Add matching route + r.HandleFunc("/", func1).Methods("PUT") + + match = new(RouteMatch) + matched = r.Match(req, match) + + if !matched { + t.Error("Should have matched route for methods") + } + + if match.MatchErr != nil { + t.Error("Should not have any matching error. Found:", match.MatchErr) + } +} + +func TestErrMatchNotFound(t *testing.T) { + emptyHandler := func(w http.ResponseWriter, r *http.Request) {} + + r := NewRouter() + r.HandleFunc("/", emptyHandler) + s := r.PathPrefix("/sub/").Subrouter() + s.HandleFunc("/", emptyHandler) + + // Regular 404 not found + req, _ := http.NewRequest("GET", "/sub/whatever", nil) + match := new(RouteMatch) + matched := r.Match(req, match) + + if matched { + t.Errorf("Subrouter should not have matched that, got %v", match.Route) + } + // Even without a custom handler, MatchErr is set to ErrNotFound + if match.MatchErr != ErrNotFound { + t.Errorf("Expected ErrNotFound MatchErr, but was %v", match.MatchErr) + } + + // Now lets add a 404 handler to subrouter + s.NotFoundHandler = http.NotFoundHandler() + req, _ = http.NewRequest("GET", "/sub/whatever", nil) + + // Test the subrouter first + match = new(RouteMatch) + matched = s.Match(req, match) + // Now we should get a match + if !matched { + t.Errorf("Subrouter should have matched %s", req.RequestURI) + } + // But MatchErr should be set to ErrNotFound anyway + if match.MatchErr != ErrNotFound { + t.Errorf("Expected ErrNotFound MatchErr, but was %v", match.MatchErr) + } + + // Now test the parent (MatchErr should propagate) + match = new(RouteMatch) + matched = r.Match(req, match) + + // Now we should get a match + if !matched { + t.Errorf("Router should have matched %s via subrouter", req.RequestURI) + } + // But MatchErr should be set to ErrNotFound anyway + if match.MatchErr != ErrNotFound { + t.Errorf("Expected ErrNotFound MatchErr, but was %v", match.MatchErr) + } +} + +// methodsSubrouterTest models the data necessary for testing handler +// matching for subrouters created after HTTP methods matcher registration. +type methodsSubrouterTest struct { + title string + wantCode int + router *Router + // method is the input into the request and expected response + method string + // input request path + path string + // redirectTo is the expected location path for strict-slash matches + redirectTo string +} + +// methodHandler writes the method string in response. +func methodHandler(method string) http.HandlerFunc { + return func(w http.ResponseWriter, r *http.Request) { + w.Write([]byte(method)) + } +} + +// TestMethodsSubrouterCatchall matches handlers for subrouters where a +// catchall handler is set for a mis-matching method. +func TestMethodsSubrouterCatchall(t *testing.T) { + t.Parallel() + + router := NewRouter() + router.Methods("PATCH").Subrouter().PathPrefix("/").HandlerFunc(methodHandler("PUT")) + router.Methods("GET").Subrouter().HandleFunc("/foo", methodHandler("GET")) + router.Methods("POST").Subrouter().HandleFunc("/foo", methodHandler("POST")) + router.Methods("DELETE").Subrouter().HandleFunc("/foo", methodHandler("DELETE")) + + tests := []methodsSubrouterTest{ + { + title: "match GET handler", + router: router, + path: "http://localhost/foo", + method: "GET", + wantCode: http.StatusOK, + }, + { + title: "match POST handler", + router: router, + method: "POST", + path: "http://localhost/foo", + wantCode: http.StatusOK, + }, + { + title: "match DELETE handler", + router: router, + method: "DELETE", + path: "http://localhost/foo", + wantCode: http.StatusOK, + }, + { + title: "disallow PUT method", + router: router, + method: "PUT", + path: "http://localhost/foo", + wantCode: http.StatusMethodNotAllowed, + }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testMethodsSubrouter(t, test) + }) + } +} + +// TestMethodsSubrouterStrictSlash matches handlers on subrouters with +// strict-slash matchers. +func TestMethodsSubrouterStrictSlash(t *testing.T) { + t.Parallel() + + router := NewRouter() + sub := router.PathPrefix("/").Subrouter() + sub.StrictSlash(true).Path("/foo").Methods("GET").Subrouter().HandleFunc("", methodHandler("GET")) + sub.StrictSlash(true).Path("/foo/").Methods("PUT").Subrouter().HandleFunc("/", methodHandler("PUT")) + sub.StrictSlash(true).Path("/foo/").Methods("POST").Subrouter().HandleFunc("/", methodHandler("POST")) + + tests := []methodsSubrouterTest{ + { + title: "match POST handler", + router: router, + method: "POST", + path: "http://localhost/foo/", + wantCode: http.StatusOK, + }, + { + title: "match GET handler", + router: router, + method: "GET", + path: "http://localhost/foo", + wantCode: http.StatusOK, + }, + { + title: "match POST handler, redirect strict-slash", + router: router, + method: "POST", + path: "http://localhost/foo", + redirectTo: "http://localhost/foo/", + wantCode: http.StatusMovedPermanently, + }, + { + title: "match GET handler, redirect strict-slash", + router: router, + method: "GET", + path: "http://localhost/foo/", + redirectTo: "http://localhost/foo", + wantCode: http.StatusMovedPermanently, + }, + { + title: "disallow DELETE method", + router: router, + method: "DELETE", + path: "http://localhost/foo", + wantCode: http.StatusMethodNotAllowed, + }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testMethodsSubrouter(t, test) + }) + } +} + +// TestMethodsSubrouterPathPrefix matches handlers on subrouters created +// on a router with a path prefix matcher and method matcher. +func TestMethodsSubrouterPathPrefix(t *testing.T) { + t.Parallel() + + router := NewRouter() + router.PathPrefix("/1").Methods("POST").Subrouter().HandleFunc("/2", methodHandler("POST")) + router.PathPrefix("/1").Methods("DELETE").Subrouter().HandleFunc("/2", methodHandler("DELETE")) + router.PathPrefix("/1").Methods("PUT").Subrouter().HandleFunc("/2", methodHandler("PUT")) + router.PathPrefix("/1").Methods("POST").Subrouter().HandleFunc("/2", methodHandler("POST2")) + + tests := []methodsSubrouterTest{ + { + title: "match first POST handler", + router: router, + method: "POST", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "match DELETE handler", + router: router, + method: "DELETE", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "match PUT handler", + router: router, + method: "PUT", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "disallow PATCH method", + router: router, + method: "PATCH", + path: "http://localhost/1/2", + wantCode: http.StatusMethodNotAllowed, + }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testMethodsSubrouter(t, test) + }) + } +} + +// TestMethodsSubrouterSubrouter matches handlers on subrouters produced +// from method matchers registered on a root subrouter. +func TestMethodsSubrouterSubrouter(t *testing.T) { + t.Parallel() + + router := NewRouter() + sub := router.PathPrefix("/1").Subrouter() + sub.Methods("POST").Subrouter().HandleFunc("/2", methodHandler("POST")) + sub.Methods("GET").Subrouter().HandleFunc("/2", methodHandler("GET")) + sub.Methods("PATCH").Subrouter().HandleFunc("/2", methodHandler("PATCH")) + sub.HandleFunc("/2", methodHandler("PUT")).Subrouter().Methods("PUT") + sub.HandleFunc("/2", methodHandler("POST2")).Subrouter().Methods("POST") + + tests := []methodsSubrouterTest{ + { + title: "match first POST handler", + router: router, + method: "POST", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "match GET handler", + router: router, + method: "GET", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "match PATCH handler", + router: router, + method: "PATCH", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "match PUT handler", + router: router, + method: "PUT", + path: "http://localhost/1/2", + wantCode: http.StatusOK, + }, + { + title: "disallow DELETE method", + router: router, + method: "DELETE", + path: "http://localhost/1/2", + wantCode: http.StatusMethodNotAllowed, + }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testMethodsSubrouter(t, test) + }) + } +} + +// TestMethodsSubrouterPathVariable matches handlers on matching paths +// with path variables in them. +func TestMethodsSubrouterPathVariable(t *testing.T) { + t.Parallel() + + router := NewRouter() + router.Methods("GET").Subrouter().HandleFunc("/foo", methodHandler("GET")) + router.Methods("POST").Subrouter().HandleFunc("/{any}", methodHandler("POST")) + router.Methods("DELETE").Subrouter().HandleFunc("/1/{any}", methodHandler("DELETE")) + router.Methods("PUT").Subrouter().HandleFunc("/1/{any}", methodHandler("PUT")) + + tests := []methodsSubrouterTest{ + { + title: "match GET handler", + router: router, + method: "GET", + path: "http://localhost/foo", + wantCode: http.StatusOK, + }, + { + title: "match POST handler", + router: router, + method: "POST", + path: "http://localhost/foo", + wantCode: http.StatusOK, + }, + { + title: "match DELETE handler", + router: router, + method: "DELETE", + path: "http://localhost/1/foo", + wantCode: http.StatusOK, + }, + { + title: "match PUT handler", + router: router, + method: "PUT", + path: "http://localhost/1/foo", + wantCode: http.StatusOK, + }, + { + title: "disallow PATCH method", + router: router, + method: "PATCH", + path: "http://localhost/1/foo", + wantCode: http.StatusMethodNotAllowed, + }, + } + + for _, test := range tests { + t.Run(test.title, func(t *testing.T) { + testMethodsSubrouter(t, test) + }) + } +} + +func ExampleSetURLVars() { + req, _ := http.NewRequest("GET", "/foo", nil) + req = SetURLVars(req, map[string]string{"foo": "bar"}) + + fmt.Println(Vars(req)["foo"]) + + // Output: bar +} + +// testMethodsSubrouter runs an individual methodsSubrouterTest. +func testMethodsSubrouter(t *testing.T, test methodsSubrouterTest) { + // Execute request + req, _ := http.NewRequest(test.method, test.path, nil) + resp := NewRecorder() + test.router.ServeHTTP(resp, req) + + switch test.wantCode { + case http.StatusMethodNotAllowed: + if resp.Code != http.StatusMethodNotAllowed { + t.Errorf(`(%s) Expected "405 Method Not Allowed", but got %d code`, test.title, resp.Code) + } else if matchedMethod := resp.Body.String(); matchedMethod != "" { + t.Errorf(`(%s) Expected "405 Method Not Allowed", but %q handler was called`, test.title, matchedMethod) + } + + case http.StatusMovedPermanently: + if gotLocation := resp.HeaderMap.Get("Location"); gotLocation != test.redirectTo { + t.Errorf("(%s) Expected %q route-match to redirect to %q, but got %q", test.title, test.method, test.redirectTo, gotLocation) + } + + case http.StatusOK: + if matchedMethod := resp.Body.String(); matchedMethod != test.method { + t.Errorf("(%s) Expected %q handler to be called, but %q handler was called", test.title, test.method, matchedMethod) + } + + default: + expectedCodes := []int{http.StatusMethodNotAllowed, http.StatusMovedPermanently, http.StatusOK} + t.Errorf("(%s) Expected wantCode to be one of: %v, but got %d", test.title, expectedCodes, test.wantCode) + } +} + +func TestSubrouterMatching(t *testing.T) { + const ( + none, stdOnly, subOnly uint8 = 0, 1 << 0, 1 << 1 + both = subOnly | stdOnly + ) + + type request struct { + Name string + Request *http.Request + Flags uint8 + } + + cases := []struct { + Name string + Standard, Subrouter func(*Router) + Requests []request + }{ + { + "pathPrefix", + func(r *Router) { + r.PathPrefix("/before").PathPrefix("/after") + }, + func(r *Router) { + r.PathPrefix("/before").Subrouter().PathPrefix("/after") + }, + []request{ + {"no match final path prefix", newRequest("GET", "/after"), none}, + {"no match parent path prefix", newRequest("GET", "/before"), none}, + {"matches append", newRequest("GET", "/before/after"), both}, + {"matches as prefix", newRequest("GET", "/before/after/1234"), both}, + }, + }, + { + "path", + func(r *Router) { + r.Path("/before").Path("/after") + }, + func(r *Router) { + r.Path("/before").Subrouter().Path("/after") + }, + []request{ + {"no match subroute path", newRequest("GET", "/after"), none}, + {"no match parent path", newRequest("GET", "/before"), none}, + {"no match as prefix", newRequest("GET", "/before/after/1234"), none}, + {"no match append", newRequest("GET", "/before/after"), none}, + }, + }, + { + "host", + func(r *Router) { + r.Host("before.com").Host("after.com") + }, + func(r *Router) { + r.Host("before.com").Subrouter().Host("after.com") + }, + []request{ + {"no match before", newRequestHost("GET", "/", "before.com"), none}, + {"no match other", newRequestHost("GET", "/", "other.com"), none}, + {"matches after", newRequestHost("GET", "/", "after.com"), none}, + }, + }, + { + "queries variant keys", + func(r *Router) { + r.Queries("foo", "bar").Queries("cricket", "baseball") + }, + func(r *Router) { + r.Queries("foo", "bar").Subrouter().Queries("cricket", "baseball") + }, + []request{ + {"matches with all", newRequest("GET", "/?foo=bar&cricket=baseball"), both}, + {"matches with more", newRequest("GET", "/?foo=bar&cricket=baseball&something=else"), both}, + {"no match with none", newRequest("GET", "/"), none}, + {"no match with some", newRequest("GET", "/?cricket=baseball"), none}, + }, + }, + { + "queries overlapping keys", + func(r *Router) { + r.Queries("foo", "bar").Queries("foo", "baz") + }, + func(r *Router) { + r.Queries("foo", "bar").Subrouter().Queries("foo", "baz") + }, + []request{ + {"no match old value", newRequest("GET", "/?foo=bar"), none}, + {"no match diff value", newRequest("GET", "/?foo=bak"), none}, + {"no match with none", newRequest("GET", "/"), none}, + {"matches override", newRequest("GET", "/?foo=baz"), none}, + }, + }, + { + "header variant keys", + func(r *Router) { + r.Headers("foo", "bar").Headers("cricket", "baseball") + }, + func(r *Router) { + r.Headers("foo", "bar").Subrouter().Headers("cricket", "baseball") + }, + []request{ + { + "matches with all", + newRequestWithHeaders("GET", "/", "foo", "bar", "cricket", "baseball"), + both, + }, + { + "matches with more", + newRequestWithHeaders("GET", "/", "foo", "bar", "cricket", "baseball", "something", "else"), + both, + }, + {"no match with none", newRequest("GET", "/"), none}, + {"no match with some", newRequestWithHeaders("GET", "/", "cricket", "baseball"), none}, + }, + }, + { + "header overlapping keys", + func(r *Router) { + r.Headers("foo", "bar").Headers("foo", "baz") + }, + func(r *Router) { + r.Headers("foo", "bar").Subrouter().Headers("foo", "baz") + }, + []request{ + {"no match old value", newRequestWithHeaders("GET", "/", "foo", "bar"), none}, + {"no match diff value", newRequestWithHeaders("GET", "/", "foo", "bak"), none}, + {"no match with none", newRequest("GET", "/"), none}, + {"matches override", newRequestWithHeaders("GET", "/", "foo", "baz"), none}, + }, + }, + { + "method", + func(r *Router) { + r.Methods("POST").Methods("GET") + }, + func(r *Router) { + r.Methods("POST").Subrouter().Methods("GET") + }, + []request{ + {"matches before", newRequest("POST", "/"), none}, + {"no match other", newRequest("HEAD", "/"), none}, + {"matches override", newRequest("GET", "/"), none}, + }, + }, + { + "schemes", + func(r *Router) { + r.Schemes("http").Schemes("https") + }, + func(r *Router) { + r.Schemes("http").Subrouter().Schemes("https") + }, + []request{ + {"matches overrides", newRequest("GET", "https://www.example.com/"), none}, + {"matches original", newRequest("GET", "http://www.example.com/"), none}, + {"no match other", newRequest("GET", "ftp://www.example.com/"), none}, + }, + }, + } + + // case -> request -> router + for _, c := range cases { + t.Run(c.Name, func(t *testing.T) { + for _, req := range c.Requests { + t.Run(req.Name, func(t *testing.T) { + for _, v := range []struct { + Name string + Config func(*Router) + Expected bool + }{ + {"subrouter", c.Subrouter, (req.Flags & subOnly) != 0}, + {"standard", c.Standard, (req.Flags & stdOnly) != 0}, + } { + r := NewRouter() + v.Config(r) + if r.Match(req.Request, &RouteMatch{}) != v.Expected { + if v.Expected { + t.Errorf("expected %v match", v.Name) + } else { + t.Errorf("expected %v no match", v.Name) + } + } + } + }) + } + }) + } +} + +// verify that copyRouteConf copies fields as expected. +func Test_copyRouteConf(t *testing.T) { + var ( + m MatcherFunc = func(*http.Request, *RouteMatch) bool { + return true + } + b BuildVarsFunc = func(i map[string]string) map[string]string { + return i + } + r, _ = newRouteRegexp("hi", regexpTypeHost, routeRegexpOptions{}) + ) + + tests := []struct { + name string + args routeConf + want routeConf + }{ + { + "empty", + routeConf{}, + routeConf{}, + }, + { + "full", + routeConf{ + useEncodedPath: true, + strictSlash: true, + skipClean: true, + regexp: routeRegexpGroup{host: r, path: r, queries: []*routeRegexp{r}}, + matchers: []matcher{m}, + buildScheme: "https", + buildVarsFunc: b, + }, + routeConf{ + useEncodedPath: true, + strictSlash: true, + skipClean: true, + regexp: routeRegexpGroup{host: r, path: r, queries: []*routeRegexp{r}}, + matchers: []matcher{m}, + buildScheme: "https", + buildVarsFunc: b, + }, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + // special case some incomparable fields of routeConf before delegating to reflect.DeepEqual + got := copyRouteConf(tt.args) + + // funcs not comparable, just compare length of slices + if len(got.matchers) != len(tt.want.matchers) { + t.Errorf("matchers different lengths: %v %v", len(got.matchers), len(tt.want.matchers)) + } + got.matchers, tt.want.matchers = nil, nil + + // deep equal treats nil slice differently to empty slice so check for zero len first + { + bothZero := len(got.regexp.queries) == 0 && len(tt.want.regexp.queries) == 0 + if !bothZero && !reflect.DeepEqual(got.regexp.queries, tt.want.regexp.queries) { + t.Errorf("queries unequal: %v %v", got.regexp.queries, tt.want.regexp.queries) + } + got.regexp.queries, tt.want.regexp.queries = nil, nil + } + + // funcs not comparable, just compare nullity + if (got.buildVarsFunc == nil) != (tt.want.buildVarsFunc == nil) { + t.Errorf("build vars funcs unequal: %v %v", got.buildVarsFunc == nil, tt.want.buildVarsFunc == nil) + } + got.buildVarsFunc, tt.want.buildVarsFunc = nil, nil + + // finish the deal + if !reflect.DeepEqual(got, tt.want) { + t.Errorf("route confs unequal: %v %v", got, tt.want) + } + }) + } +} + +func TestMethodNotAllowed(t *testing.T) { + handler := func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) } + router := NewRouter() + router.HandleFunc("/thing", handler).Methods(http.MethodGet) + router.HandleFunc("/something", handler).Methods(http.MethodGet) + + w := NewRecorder() + req := newRequest(http.MethodPut, "/thing") + + router.ServeHTTP(w, req) + + if w.Code != 405 { + t.Fatalf("Expected status code 405 (got %d)", w.Code) + } +} + +func TestSubrouterNotFound(t *testing.T) { + handler := func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) } + router := NewRouter() + router.Path("/a").Subrouter().HandleFunc("/thing", handler).Methods(http.MethodGet) + router.Path("/b").Subrouter().HandleFunc("/something", handler).Methods(http.MethodGet) + + w := NewRecorder() + req := newRequest(http.MethodPut, "/not-present") + + router.ServeHTTP(w, req) + + if w.Code != 404 { + t.Fatalf("Expected status code 404 (got %d)", w.Code) + } +} + // mapToPairs converts a string map to a slice of string pairs func mapToPairs(m map[string]string) []string { var i int @@ -1614,6 +2772,14 @@ func stringMapEqual(m1, m2 map[string]string) bool { return true } +// stringHandler returns a handler func that writes a message 's' to the +// http.ResponseWriter. +func stringHandler(s string) http.HandlerFunc { + return func(w http.ResponseWriter, r *http.Request) { + w.Write([]byte(s)) + } +} + // newRequest is a helper function to create a new request with a method and url. // The request returned is a 'server' request as opposed to a 'client' one through // simulated write onto the wire and read off of the wire. @@ -1653,3 +2819,28 @@ func newRequest(method, url string) *http.Request { } return req } + +// create a new request with the provided headers +func newRequestWithHeaders(method, url string, headers ...string) *http.Request { + req := newRequest(method, url) + + if len(headers)%2 != 0 { + panic(fmt.Sprintf("Expected headers length divisible by 2 but got %v", len(headers))) + } + + for i := 0; i < len(headers); i += 2 { + req.Header.Set(headers[i], headers[i+1]) + } + + return req +} + +// newRequestHost a new request with a method, url, and host header +func newRequestHost(method, url, host string) *http.Request { + req, err := http.NewRequest(method, url, nil) + if err != nil { + panic(err) + } + req.Host = host + return req +} diff --git a/vendor/github.com/gorilla/mux/old_test.go b/vendor/github.com/gorilla/mux/old_test.go index 9bdc5e5..b228983 100644 --- a/vendor/github.com/gorilla/mux/old_test.go +++ b/vendor/github.com/gorilla/mux/old_test.go @@ -121,12 +121,7 @@ func TestRouteMatchers(t *testing.T) { var routeMatch RouteMatch matched := router.Match(request, &routeMatch) if matched != shouldMatch { - // Need better messages. :) - if matched { - t.Errorf("Should match.") - } else { - t.Errorf("Should not match.") - } + t.Errorf("Expected: %v\nGot: %v\nRequest: %v %v", shouldMatch, matched, request.Method, url) } if matched { @@ -188,7 +183,6 @@ func TestRouteMatchers(t *testing.T) { match(true) // 2nd route -------------------------------------------------------------- - // Everything match. reset2() match(true) @@ -687,7 +681,7 @@ func TestNewRegexp(t *testing.T) { } for pattern, paths := range tests { - p, _ = newRouteRegexp(pattern, false, false, false, false, false) + p, _ = newRouteRegexp(pattern, regexpTypePath, routeRegexpOptions{}) for path, result := range paths { matches = p.regexp.FindStringSubmatch(path) if result == nil { diff --git a/vendor/github.com/gorilla/mux/regexp.go b/vendor/github.com/gorilla/mux/regexp.go index 0189ad3..f252886 100644 --- a/vendor/github.com/gorilla/mux/regexp.go +++ b/vendor/github.com/gorilla/mux/regexp.go @@ -14,6 +14,20 @@ import ( "strings" ) +type routeRegexpOptions struct { + strictSlash bool + useEncodedPath bool +} + +type regexpType int + +const ( + regexpTypePath regexpType = 0 + regexpTypeHost regexpType = 1 + regexpTypePrefix regexpType = 2 + regexpTypeQuery regexpType = 3 +) + // newRouteRegexp parses a route template and returns a routeRegexp, // used to match a host, a path or a query string. // @@ -24,7 +38,7 @@ import ( // Previously we accepted only Python-like identifiers for variable // names ([a-zA-Z_][a-zA-Z0-9_]*), but currently the only restriction is that // name and pattern can't be empty, and names can't contain a colon. -func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash, useEncodedPath bool) (*routeRegexp, error) { +func newRouteRegexp(tpl string, typ regexpType, options routeRegexpOptions) (*routeRegexp, error) { // Check if it is well-formed. idxs, errBraces := braceIndices(tpl) if errBraces != nil { @@ -34,19 +48,18 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash, template := tpl // Now let's parse it. defaultPattern := "[^/]+" - if matchQuery { - defaultPattern = "[^?&]*" - } else if matchHost { + if typ == regexpTypeQuery { + defaultPattern = ".*" + } else if typ == regexpTypeHost { defaultPattern = "[^.]+" - matchPrefix = false } // Only match strict slash if not matching - if matchPrefix || matchHost || matchQuery { - strictSlash = false + if typ != regexpTypePath { + options.strictSlash = false } // Set a flag for strictSlash. endSlash := false - if strictSlash && strings.HasSuffix(tpl, "/") { + if options.strictSlash && strings.HasSuffix(tpl, "/") { tpl = tpl[:len(tpl)-1] endSlash = true } @@ -88,16 +101,16 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash, // Add the remaining. raw := tpl[end:] pattern.WriteString(regexp.QuoteMeta(raw)) - if strictSlash { + if options.strictSlash { pattern.WriteString("[/]?") } - if matchQuery { + if typ == regexpTypeQuery { // Add the default pattern if the query value is empty if queryVal := strings.SplitN(template, "=", 2)[1]; queryVal == "" { pattern.WriteString(defaultPattern) } } - if !matchPrefix { + if typ != regexpTypePrefix { pattern.WriteByte('$') } reverse.WriteString(raw) @@ -118,15 +131,13 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash, // Done! return &routeRegexp{ - template: template, - matchHost: matchHost, - matchQuery: matchQuery, - strictSlash: strictSlash, - useEncodedPath: useEncodedPath, - regexp: reg, - reverse: reverse.String(), - varsN: varsN, - varsR: varsR, + template: template, + regexpType: typ, + options: options, + regexp: reg, + reverse: reverse.String(), + varsN: varsN, + varsR: varsR, }, nil } @@ -135,15 +146,10 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash, type routeRegexp struct { // The unmodified template. template string - // True for host match, false for path or query string match. - matchHost bool - // True for query string match, false for path and host match. - matchQuery bool - // The strictSlash value defined on the route, but disabled if PathPrefix was used. - strictSlash bool - // Determines whether to use encoded path from getPath function or unencoded - // req.URL.Path for path matching - useEncodedPath bool + // The type of match + regexpType regexpType + // Options for matching + options routeRegexpOptions // Expanded regexp. regexp *regexp.Regexp // Reverse template. @@ -156,13 +162,13 @@ type routeRegexp struct { // Match matches the regexp against the URL host or path. func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool { - if !r.matchHost { - if r.matchQuery { + if r.regexpType != regexpTypeHost { + if r.regexpType == regexpTypeQuery { return r.matchQueryString(req) } path := req.URL.Path - if r.useEncodedPath { - path = getPath(req) + if r.options.useEncodedPath { + path = req.URL.EscapedPath() } return r.regexp.MatchString(path) } @@ -178,6 +184,9 @@ func (r *routeRegexp) url(values map[string]string) (string, error) { if !ok { return "", fmt.Errorf("mux: missing route variable %q", v) } + if r.regexpType == regexpTypeQuery { + value = url.QueryEscape(value) + } urlValues[k] = value } rv := fmt.Sprintf(r.reverse, urlValues...) @@ -200,7 +209,7 @@ func (r *routeRegexp) url(values map[string]string) (string, error) { // For a URL with foo=bar&baz=ding, we return only the relevant key // value pair for the routeRegexp. func (r *routeRegexp) getURLQuery(req *http.Request) string { - if !r.matchQuery { + if r.regexpType != regexpTypeQuery { return "" } templateKey := strings.SplitN(r.template, "=", 2)[0] @@ -258,7 +267,7 @@ type routeRegexpGroup struct { } // setMatch extracts the variables from the URL once a route matches. -func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) { +func (v routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) { // Store host variables. if v.host != nil { host := getHost(req) @@ -269,7 +278,7 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) } path := req.URL.Path if r.useEncodedPath { - path = getPath(req) + path = req.URL.EscapedPath() } // Store path variables. if v.path != nil { @@ -277,7 +286,7 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) if len(matches) > 0 { extractVars(path, matches, v.path.varsN, m.Vars) // Check if we should redirect. - if v.path.strictSlash { + if v.path.options.strictSlash { p1 := strings.HasSuffix(path, "/") p2 := strings.HasSuffix(v.path.template, "/") if p1 != p2 { @@ -287,7 +296,7 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) } else { u.Path += "/" } - m.Handler = http.RedirectHandler(u.String(), 301) + m.Handler = http.RedirectHandler(u.String(), http.StatusMovedPermanently) } } } @@ -303,17 +312,13 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) } // getHost tries its best to return the request host. +// According to section 14.23 of RFC 2616 the Host header +// can include the port number if the default value of 80 is not used. func getHost(r *http.Request) string { if r.URL.IsAbs() { return r.URL.Host } - host := r.Host - // Slice off any port information. - if i := strings.Index(host, ":"); i != -1 { - host = host[:i] - } - return host - + return r.Host } func extractVars(input string, matches []int, names []string, output map[string]string) { diff --git a/vendor/github.com/gorilla/mux/route.go b/vendor/github.com/gorilla/mux/route.go index 9221915..8479c68 100644 --- a/vendor/github.com/gorilla/mux/route.go +++ b/vendor/github.com/gorilla/mux/route.go @@ -15,22 +15,8 @@ import ( // Route stores information to match a request and build URLs. type Route struct { - // Parent where the route was registered (a Router). - parent parentRoute // Request handler for the route. handler http.Handler - // List of matchers. - matchers []matcher - // Manager for the variables from host and path. - regexp *routeRegexpGroup - // If true, when the path pattern is "/path/", accessing "/path" will - // redirect to the former and vice versa. - strictSlash bool - // 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 // If true, this route never matches: it is only used to build URLs. buildOnly bool // The name used to build URLs. @@ -38,9 +24,15 @@ type Route struct { // Error resulted from building a route. err error - buildVarsFunc BuildVarsFunc + // "global" reference to all named routes + namedRoutes map[string]*Route + + // config possibly passed in from `Router` + routeConf } +// SkipClean reports whether path cleaning is enabled for this route via +// Router.SkipClean. func (r *Route) SkipClean() bool { return r.skipClean } @@ -50,12 +42,45 @@ func (r *Route) Match(req *http.Request, match *RouteMatch) bool { if r.buildOnly || r.err != nil { return false } + + var matchErr error + // Match everything. for _, m := range r.matchers { if matched := m.Match(req, match); !matched { + if _, ok := m.(methodMatcher); ok { + matchErr = ErrMethodMismatch + continue + } + + // Ignore ErrNotFound errors. These errors arise from match call + // to Subrouters. + // + // This prevents subsequent matching subrouters from failing to + // run middleware. If not ignored, the middleware would see a + // non-nil MatchErr and be skipped, even when there was a + // matching route. + if match.MatchErr == ErrNotFound { + match.MatchErr = nil + } + + matchErr = nil return false } } + + if matchErr != nil { + match.MatchErr = matchErr + return false + } + + if match.MatchErr == ErrMethodMismatch { + // We found a route which matches request method, clear MatchErr + match.MatchErr = nil + // Then override the mis-matched handler + match.Handler = r.handler + } + // Yay, we have a match. Let's collect some info about it. if match.Route == nil { match.Route = r @@ -66,10 +91,9 @@ func (r *Route) Match(req *http.Request, match *RouteMatch) bool { if match.Vars == nil { match.Vars = make(map[string]string) } + // Set variables. - if r.regexp != nil { - r.regexp.setMatch(req, match, r) - } + r.regexp.setMatch(req, match, r) return true } @@ -111,7 +135,7 @@ func (r *Route) GetHandler() http.Handler { // Name ----------------------------------------------------------------------- // Name sets the name for the route, used to build URLs. -// If the name was registered already it will be overwritten. +// It is an error to call Name more than once on a route. func (r *Route) Name(name string) *Route { if r.name != "" { r.err = fmt.Errorf("mux: route already has name %q, can't set %q", @@ -119,7 +143,7 @@ func (r *Route) Name(name string) *Route { } if r.err == nil { r.name = name - r.getNamedRoutes()[name] = r + r.namedRoutes[name] = r } return r } @@ -147,20 +171,22 @@ func (r *Route) addMatcher(m matcher) *Route { } // addRegexpMatcher adds a host or path matcher and builder to a route. -func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery bool) error { +func (r *Route) addRegexpMatcher(tpl string, typ regexpType) error { if r.err != nil { return r.err } - r.regexp = r.getRegexpGroup() - if !matchHost && !matchQuery { - if tpl == "/" && (len(tpl) == 0 || tpl[0] != '/') { + if typ == regexpTypePath || typ == regexpTypePrefix { + 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, r.useEncodedPath) + rr, err := newRouteRegexp(tpl, typ, routeRegexpOptions{ + strictSlash: r.strictSlash, + useEncodedPath: r.useEncodedPath, + }) if err != nil { return err } @@ -169,7 +195,7 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery return err } } - if matchHost { + if typ == regexpTypeHost { if r.regexp.path != nil { if err = uniqueVars(rr.varsN, r.regexp.path.varsN); err != nil { return err @@ -182,7 +208,7 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery return err } } - if matchQuery { + if typ == regexpTypeQuery { r.regexp.queries = append(r.regexp.queries, rr) } else { r.regexp.path = rr @@ -234,7 +260,8 @@ func (m headerRegexMatcher) Match(r *http.Request, match *RouteMatch) bool { // "X-Requested-With", "XMLHttpRequest") // // The above route will only match if both the request header matches both regular expressions. -// It the value is an empty string, it will match any value if the key is set. +// If the value is an empty string, it will match any value if the key is set. +// Use the start and end of string anchors (^ and $) to match an exact value. func (r *Route) HeadersRegexp(pairs ...string) *Route { if r.err == nil { var headers map[string]*regexp.Regexp @@ -264,7 +291,7 @@ func (r *Route) HeadersRegexp(pairs ...string) *Route { // Variable names must be unique in a given route. They can be retrieved // calling mux.Vars(request). func (r *Route) Host(tpl string) *Route { - r.err = r.addRegexpMatcher(tpl, true, false, false) + r.err = r.addRegexpMatcher(tpl, regexpTypeHost) return r } @@ -324,7 +351,7 @@ func (r *Route) Methods(methods ...string) *Route { // Variable names must be unique in a given route. They can be retrieved // calling mux.Vars(request). func (r *Route) Path(tpl string) *Route { - r.err = r.addRegexpMatcher(tpl, false, false, false) + r.err = r.addRegexpMatcher(tpl, regexpTypePath) return r } @@ -340,7 +367,7 @@ func (r *Route) Path(tpl string) *Route { // Also note that the setting of Router.StrictSlash() has no effect on routes // with a PathPrefix matcher. func (r *Route) PathPrefix(tpl string) *Route { - r.err = r.addRegexpMatcher(tpl, false, true, false) + r.err = r.addRegexpMatcher(tpl, regexpTypePrefix) return r } @@ -356,7 +383,7 @@ func (r *Route) PathPrefix(tpl string) *Route { // The above route will only match if the URL contains the defined queries // values, e.g.: ?foo=bar&id=42. // -// It the value is an empty string, it will match any value if the key is set. +// If the value is an empty string, it will match any value if the key is set. // // Variables can define an optional regexp pattern to be matched: // @@ -371,7 +398,7 @@ func (r *Route) Queries(pairs ...string) *Route { return nil } for i := 0; i < length; i += 2 { - if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], false, false, true); r.err != nil { + if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], regexpTypeQuery); r.err != nil { return r } } @@ -394,6 +421,9 @@ func (r *Route) Schemes(schemes ...string) *Route { for k, v := range schemes { schemes[k] = strings.ToLower(v) } + if len(schemes) > 0 { + r.buildScheme = schemes[0] + } return r.addMatcher(schemeMatcher(schemes)) } @@ -406,7 +436,15 @@ type BuildVarsFunc func(map[string]string) map[string]string // BuildVarsFunc adds a custom function to be used to modify build variables // before a route's URL is built. func (r *Route) BuildVarsFunc(f BuildVarsFunc) *Route { - r.buildVarsFunc = f + if r.buildVarsFunc != nil { + // compose the old and new functions + old := r.buildVarsFunc + r.buildVarsFunc = func(m map[string]string) map[string]string { + return f(old(m)) + } + } else { + r.buildVarsFunc = f + } return r } @@ -425,7 +463,8 @@ func (r *Route) BuildVarsFunc(f BuildVarsFunc) *Route { // Here, the routes registered in the subrouter won't be tested if the host // doesn't match. func (r *Route) Subrouter() *Router { - router := &Router{parent: r, strictSlash: r.strictSlash} + // initialize a subrouter with a copy of the parent route's configuration + router := &Router{routeConf: copyRouteConf(r.routeConf), namedRoutes: r.namedRoutes} r.addMatcher(router) return router } @@ -469,30 +508,38 @@ func (r *Route) URL(pairs ...string) (*url.URL, error) { if r.err != nil { return nil, r.err } - if r.regexp == nil { - return nil, errors.New("mux: route doesn't have a host or path") - } values, err := r.prepareVars(pairs...) if err != nil { 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 r.buildScheme != "" { + scheme = r.buildScheme + } } 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 } @@ -503,7 +550,7 @@ func (r *Route) URLHost(pairs ...string) (*url.URL, error) { if r.err != nil { return nil, r.err } - if r.regexp == nil || r.regexp.host == nil { + if r.regexp.host == nil { return nil, errors.New("mux: route doesn't have a host") } values, err := r.prepareVars(pairs...) @@ -514,10 +561,14 @@ 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 r.buildScheme != "" { + u.Scheme = r.buildScheme + } + return u, nil } // URLPath builds the path part of the URL for a route. See Route.URL(). @@ -527,7 +578,7 @@ func (r *Route) URLPath(pairs ...string) (*url.URL, error) { if r.err != nil { return nil, r.err } - if r.regexp == nil || r.regexp.path == nil { + if r.regexp.path == nil { return nil, errors.New("mux: route doesn't have a path") } values, err := r.prepareVars(pairs...) @@ -552,12 +603,80 @@ func (r *Route) GetPathTemplate() (string, error) { if r.err != nil { return "", r.err } - if r.regexp == nil || r.regexp.path == nil { + if r.regexp.path == nil { return "", errors.New("mux: route doesn't have a path") } 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.path == nil { + return "", errors.New("mux: route does not have a path") + } + return r.regexp.path.regexp.String(), nil +} + +// GetQueriesRegexp returns the expanded regular expressions used to match the +// route queries. +// 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 have queries. +func (r *Route) GetQueriesRegexp() ([]string, error) { + if r.err != nil { + return nil, r.err + } + if r.regexp.queries == nil { + return nil, errors.New("mux: route doesn't have queries") + } + var queries []string + for _, query := range r.regexp.queries { + queries = append(queries, query.regexp.String()) + } + return queries, nil +} + +// GetQueriesTemplates returns the templates used to build the +// query matching. +// 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 queries. +func (r *Route) GetQueriesTemplates() ([]string, error) { + if r.err != nil { + return nil, r.err + } + if r.regexp.queries == nil { + return nil, errors.New("mux: route doesn't have queries") + } + var queries []string + for _, query := range r.regexp.queries { + queries = append(queries, query.template) + } + return queries, 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 error 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, errors.New("mux: route doesn't have methods") +} + // GetHostTemplate returns the template used to build the // route match. // This is useful for building simple REST API documentation and for instrumentation @@ -567,7 +686,7 @@ func (r *Route) GetHostTemplate() (string, error) { if r.err != nil { return "", r.err } - if r.regexp == nil || r.regexp.host == nil { + if r.regexp.host == nil { return "", errors.New("mux: route doesn't have a host") } return r.regexp.host.template, nil @@ -584,53 +703,8 @@ func (r *Route) prepareVars(pairs ...string) (map[string]string, error) { } func (r *Route) buildVars(m map[string]string) map[string]string { - if r.parent != nil { - m = r.parent.buildVars(m) - } if r.buildVarsFunc != nil { m = r.buildVarsFunc(m) } return m } - -// ---------------------------------------------------------------------------- -// parentRoute -// ---------------------------------------------------------------------------- - -// parentRoute allows routes to know about parent host and path definitions. -type parentRoute interface { - getNamedRoutes() map[string]*Route - getRegexpGroup() *routeRegexpGroup - buildVars(map[string]string) map[string]string -} - -// getNamedRoutes returns the map where named routes are registered. -func (r *Route) getNamedRoutes() map[string]*Route { - if r.parent == nil { - // During tests router is not always set. - r.parent = NewRouter() - } - return r.parent.getNamedRoutes() -} - -// getRegexpGroup returns regexp definitions from this route. -func (r *Route) getRegexpGroup() *routeRegexpGroup { - if r.regexp == nil { - if r.parent == nil { - // During tests router is not always set. - r.parent = NewRouter() - } - regexp := r.parent.getRegexpGroup() - if regexp == nil { - r.regexp = new(routeRegexpGroup) - } else { - // Copy. - r.regexp = &routeRegexpGroup{ - host: regexp.host, - path: regexp.path, - queries: regexp.queries, - } - } - } - return r.regexp -} diff --git a/vendor/github.com/gorilla/mux/test_helpers.go b/vendor/github.com/gorilla/mux/test_helpers.go new file mode 100644 index 0000000..32ecffd --- /dev/null +++ b/vendor/github.com/gorilla/mux/test_helpers.go @@ -0,0 +1,19 @@ +// Copyright 2012 The Gorilla Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package mux + +import "net/http" + +// SetURLVars sets the URL variables for the given request, to be accessed via +// mux.Vars for testing route behaviour. Arguments are not modified, a shallow +// copy is returned. +// +// This API should only be used for testing purposes; it provides a way to +// inject variables into the request context. Alternatively, URL variables +// can be set by making a route that captures the required variables, +// starting a server and sending the request to that server. +func SetURLVars(r *http.Request, val map[string]string) *http.Request { + return setVars(r, val) +}