diff options
Diffstat (limited to 'vendor')
| -rw-r--r-- | vendor/github.com/gorilla/mux/README.md | 91 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/context.go | 18 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/go.mod | 2 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/middleware.go | 25 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/mux.go | 28 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/regexp.go | 65 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/route.go | 38 | ||||
| -rw-r--r-- | vendor/github.com/gorilla/mux/test_helpers.go | 2 | ||||
| -rw-r--r-- | vendor/modules.txt | 2 |
9 files changed, 200 insertions, 71 deletions
diff --git a/vendor/github.com/gorilla/mux/README.md b/vendor/github.com/gorilla/mux/README.md index 92e422eed..35eea9f10 100644 --- a/vendor/github.com/gorilla/mux/README.md +++ b/vendor/github.com/gorilla/mux/README.md @@ -1,11 +1,10 @@ # gorilla/mux [](https://godoc.org/github.com/gorilla/mux) -[](https://travis-ci.org/gorilla/mux) [](https://circleci.com/gh/gorilla/mux) [](https://sourcegraph.com/github.com/gorilla/mux?badge) - + https://www.gorillatoolkit.org/pkg/mux @@ -26,6 +25,7 @@ The name mux stands for "HTTP request multiplexer". Like the standard `http.Serv * [Examples](#examples) * [Matching Routes](#matching-routes) * [Static Files](#static-files) +* [Serving Single Page Applications](#serving-single-page-applications) (e.g. React, Vue, Ember.js, etc.) * [Registered URLs](#registered-urls) * [Walking Routes](#walking-routes) * [Graceful Shutdown](#graceful-shutdown) @@ -212,6 +212,93 @@ func main() { } ``` +### Serving Single Page Applications + +Most of the time it makes sense to serve your SPA on a separate web server from your API, +but sometimes it's desirable to serve them both from one place. It's possible to write a simple +handler for serving your SPA (for use with React Router's [BrowserRouter](https://reacttraining.com/react-router/web/api/BrowserRouter) for example), and leverage +mux's powerful routing for your API endpoints. + +```go +package main + +import ( + "encoding/json" + "log" + "net/http" + "os" + "path/filepath" + "time" + + "github.com/gorilla/mux" +) + +// spaHandler implements the http.Handler interface, so we can use it +// to respond to HTTP requests. The path to the static directory and +// path to the index file within that static directory are used to +// serve the SPA in the given static directory. +type spaHandler struct { + staticPath string + indexPath string +} + +// ServeHTTP inspects the URL path to locate a file within the static dir +// on the SPA handler. If a file is found, it will be served. If not, the +// file located at the index path on the SPA handler will be served. This +// is suitable behavior for serving an SPA (single page application). +func (h spaHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { + // get the absolute path to prevent directory traversal + path, err := filepath.Abs(r.URL.Path) + if err != nil { + // if we failed to get the absolute path respond with a 400 bad request + // and stop + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + // prepend the path with the path to the static directory + path = filepath.Join(h.staticPath, path) + + // check whether a file exists at the given path + _, err = os.Stat(path) + if os.IsNotExist(err) { + // file does not exist, serve index.html + http.ServeFile(w, r, filepath.Join(h.staticPath, h.indexPath)) + return + } else if err != nil { + // if we got an error (that wasn't that the file doesn't exist) stating the + // file, return a 500 internal server error and stop + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + // otherwise, use http.FileServer to serve the static dir + http.FileServer(http.Dir(h.staticPath)).ServeHTTP(w, r) +} + +func main() { + router := mux.NewRouter() + + router.HandleFunc("/api/health", func(w http.ResponseWriter, r *http.Request) { + // an example API handler + json.NewEncoder(w).Encode(map[string]bool{"ok": true}) + }) + + spa := spaHandler{staticPath: "build", indexPath: "index.html"} + router.PathPrefix("/").Handler(spa) + + srv := &http.Server{ + Handler: router, + 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()) +} +``` + ### Registered URLs Now let's see how to build registered URLs. diff --git a/vendor/github.com/gorilla/mux/context.go b/vendor/github.com/gorilla/mux/context.go deleted file mode 100644 index 665940a26..000000000 --- a/vendor/github.com/gorilla/mux/context.go +++ /dev/null @@ -1,18 +0,0 @@ -package mux - -import ( - "context" - "net/http" -) - -func contextGet(r *http.Request, key interface{}) interface{} { - return r.Context().Value(key) -} - -func contextSet(r *http.Request, key, val interface{}) *http.Request { - if val == nil { - return r - } - - return r.WithContext(context.WithValue(r.Context(), key, val)) -} diff --git a/vendor/github.com/gorilla/mux/go.mod b/vendor/github.com/gorilla/mux/go.mod index cfc8ede58..df170a399 100644 --- a/vendor/github.com/gorilla/mux/go.mod +++ b/vendor/github.com/gorilla/mux/go.mod @@ -1 +1,3 @@ module github.com/gorilla/mux + +go 1.12 diff --git a/vendor/github.com/gorilla/mux/middleware.go b/vendor/github.com/gorilla/mux/middleware.go index cf2b26dc0..cb51c565e 100644 --- a/vendor/github.com/gorilla/mux/middleware.go +++ b/vendor/github.com/gorilla/mux/middleware.go @@ -58,22 +58,17 @@ func CORSMethodMiddleware(r *Router) MiddlewareFunc { func getAllMethodsForRoute(r *Router, req *http.Request) ([]string, error) { 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 + for _, route := range r.routes { + var match RouteMatch + if route.Match(req, &match) || match.MatchErr == ErrMethodMismatch { + methods, err := route.GetMethods() + if err != nil { + return nil, err } + + allMethods = append(allMethods, methods...) } - return nil - }) + } - return allMethods, err + return allMethods, nil } diff --git a/vendor/github.com/gorilla/mux/mux.go b/vendor/github.com/gorilla/mux/mux.go index a2cd193e4..c9ba64707 100644 --- a/vendor/github.com/gorilla/mux/mux.go +++ b/vendor/github.com/gorilla/mux/mux.go @@ -5,6 +5,7 @@ package mux import ( + "context" "errors" "fmt" "net/http" @@ -58,8 +59,7 @@ type Router struct { // If true, do not clear the request context after handling the request. // - // Deprecated: No effect when go1.7+ is used, since the context is stored - // on the request itself. + // Deprecated: No effect, since the context is stored on the request itself. KeepContext bool // Slice of middlewares to be called after a match is found @@ -111,10 +111,8 @@ func copyRouteConf(r routeConf) routeConf { 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) - } + c.matchers = make([]matcher, len(r.matchers)) + copy(c.matchers, r.matchers) return c } @@ -197,8 +195,8 @@ func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) { var handler http.Handler if r.Match(req, &match) { handler = match.Handler - req = setVars(req, match.Vars) - req = setCurrentRoute(req, match.Route) + req = requestWithVars(req, match.Vars) + req = requestWithRoute(req, match.Route) } if handler == nil && match.MatchErr == ErrMethodMismatch { @@ -428,7 +426,7 @@ const ( // Vars returns the route variables for the current request, if any. func Vars(r *http.Request) map[string]string { - if rv := contextGet(r, varsKey); rv != nil { + if rv := r.Context().Value(varsKey); rv != nil { return rv.(map[string]string) } return nil @@ -440,18 +438,20 @@ func Vars(r *http.Request) map[string]string { // after the handler returns, unless the KeepContext option is set on the // Router. func CurrentRoute(r *http.Request) *Route { - if rv := contextGet(r, routeKey); rv != nil { + if rv := r.Context().Value(routeKey); rv != nil { return rv.(*Route) } return nil } -func setVars(r *http.Request, val interface{}) *http.Request { - return contextSet(r, varsKey, val) +func requestWithVars(r *http.Request, vars map[string]string) *http.Request { + ctx := context.WithValue(r.Context(), varsKey, vars) + return r.WithContext(ctx) } -func setCurrentRoute(r *http.Request, val interface{}) *http.Request { - return contextSet(r, routeKey, val) +func requestWithRoute(r *http.Request, route *Route) *http.Request { + ctx := context.WithValue(r.Context(), routeKey, route) + return r.WithContext(ctx) } // ---------------------------------------------------------------------------- diff --git a/vendor/github.com/gorilla/mux/regexp.go b/vendor/github.com/gorilla/mux/regexp.go index ac1abcd47..96dd94ad1 100644 --- a/vendor/github.com/gorilla/mux/regexp.go +++ b/vendor/github.com/gorilla/mux/regexp.go @@ -181,21 +181,21 @@ func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool { } } return r.regexp.MatchString(host) - } else { - if r.regexpType == regexpTypeQuery { - return r.matchQueryString(req) - } - path := req.URL.Path - if r.options.useEncodedPath { - path = req.URL.EscapedPath() - } - return r.regexp.MatchString(path) } + + if r.regexpType == regexpTypeQuery { + return r.matchQueryString(req) + } + path := req.URL.Path + if r.options.useEncodedPath { + path = req.URL.EscapedPath() + } + return r.regexp.MatchString(path) } // url builds a URL part using the given values. func (r *routeRegexp) url(values map[string]string) (string, error) { - urlValues := make([]interface{}, len(r.varsN)) + urlValues := make([]interface{}, len(r.varsN), len(r.varsN)) for k, v := range r.varsN { value, ok := values[v] if !ok { @@ -230,14 +230,51 @@ func (r *routeRegexp) getURLQuery(req *http.Request) string { return "" } templateKey := strings.SplitN(r.template, "=", 2)[0] - for key, vals := range req.URL.Query() { - if key == templateKey && len(vals) > 0 { - return key + "=" + vals[0] - } + val, ok := findFirstQueryKey(req.URL.RawQuery, templateKey) + if ok { + return templateKey + "=" + val } return "" } +// findFirstQueryKey returns the same result as (*url.URL).Query()[key][0]. +// If key was not found, empty string and false is returned. +func findFirstQueryKey(rawQuery, key string) (value string, ok bool) { + query := []byte(rawQuery) + for len(query) > 0 { + foundKey := query + if i := bytes.IndexAny(foundKey, "&;"); i >= 0 { + foundKey, query = foundKey[:i], foundKey[i+1:] + } else { + query = query[:0] + } + if len(foundKey) == 0 { + continue + } + var value []byte + if i := bytes.IndexByte(foundKey, '='); i >= 0 { + foundKey, value = foundKey[:i], foundKey[i+1:] + } + if len(foundKey) < len(key) { + // Cannot possibly be key. + continue + } + keyString, err := url.QueryUnescape(string(foundKey)) + if err != nil { + continue + } + if keyString != key { + continue + } + valueString, err := url.QueryUnescape(string(value)) + if err != nil { + continue + } + return valueString, true + } + return "", false +} + func (r *routeRegexp) matchQueryString(req *http.Request) bool { return r.regexp.MatchString(r.getURLQuery(req)) } diff --git a/vendor/github.com/gorilla/mux/route.go b/vendor/github.com/gorilla/mux/route.go index 8479c68c1..750afe570 100644 --- a/vendor/github.com/gorilla/mux/route.go +++ b/vendor/github.com/gorilla/mux/route.go @@ -74,7 +74,7 @@ func (r *Route) Match(req *http.Request, match *RouteMatch) bool { return false } - if match.MatchErr == ErrMethodMismatch { + if match.MatchErr == ErrMethodMismatch && r.handler != nil { // We found a route which matches request method, clear MatchErr match.MatchErr = nil // Then override the mis-matched handler @@ -412,11 +412,30 @@ func (r *Route) Queries(pairs ...string) *Route { type schemeMatcher []string func (m schemeMatcher) Match(r *http.Request, match *RouteMatch) bool { - return matchInArray(m, r.URL.Scheme) + scheme := r.URL.Scheme + // https://golang.org/pkg/net/http/#Request + // "For [most] server requests, fields other than Path and RawQuery will be + // empty." + // Since we're an http muxer, the scheme is either going to be http or https + // though, so we can just set it based on the tls termination state. + if scheme == "" { + if r.TLS == nil { + scheme = "http" + } else { + scheme = "https" + } + } + return matchInArray(m, scheme) } // Schemes adds a matcher for URL schemes. // It accepts a sequence of schemes to be matched, e.g.: "http", "https". +// If the request's URL has a scheme set, it will be matched against. +// Generally, the URL scheme will only be set if a previous handler set it, +// such as the ProxyHeaders handler from gorilla/handlers. +// If unset, the scheme will be determined based on the request's TLS +// termination state. +// The first argument to Schemes will be used when constructing a route URL. func (r *Route) Schemes(schemes ...string) *Route { for k, v := range schemes { schemes[k] = strings.ToLower(v) @@ -493,8 +512,8 @@ func (r *Route) Subrouter() *Router { // This also works for host variables: // // r := mux.NewRouter() -// r.Host("{subdomain}.domain.com"). -// HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler). +// r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler). +// Host("{subdomain}.domain.com"). // Name("article") // // // url.String() will be "http://news.domain.com/articles/technology/42" @@ -502,6 +521,13 @@ func (r *Route) Subrouter() *Router { // "category", "technology", // "id", "42") // +// The scheme of the resulting url will be the first argument that was passed to Schemes: +// +// // url.String() will be "https://example.com" +// r := mux.NewRouter() +// url, err := r.Host("example.com") +// .Schemes("https", "http").URL() +// // All variables defined in the route are required, and their values must // conform to the corresponding patterns. func (r *Route) URL(pairs ...string) (*url.URL, error) { @@ -635,7 +661,7 @@ func (r *Route) GetQueriesRegexp() ([]string, error) { if r.regexp.queries == nil { return nil, errors.New("mux: route doesn't have queries") } - var queries []string + queries := make([]string, 0, len(r.regexp.queries)) for _, query := range r.regexp.queries { queries = append(queries, query.regexp.String()) } @@ -654,7 +680,7 @@ func (r *Route) GetQueriesTemplates() ([]string, error) { if r.regexp.queries == nil { return nil, errors.New("mux: route doesn't have queries") } - var queries []string + queries := make([]string, 0, len(r.regexp.queries)) for _, query := range r.regexp.queries { queries = append(queries, query.template) } diff --git a/vendor/github.com/gorilla/mux/test_helpers.go b/vendor/github.com/gorilla/mux/test_helpers.go index 32ecffde4..5f5c496de 100644 --- a/vendor/github.com/gorilla/mux/test_helpers.go +++ b/vendor/github.com/gorilla/mux/test_helpers.go @@ -15,5 +15,5 @@ import "net/http" // 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) + return requestWithVars(r, val) } diff --git a/vendor/modules.txt b/vendor/modules.txt index 5c2485f38..a60f25ee3 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -291,7 +291,7 @@ github.com/google/gofuzz github.com/google/shlex # github.com/google/uuid v1.1.1 github.com/google/uuid -# github.com/gorilla/mux v1.7.3 +# github.com/gorilla/mux v1.7.4 github.com/gorilla/mux # github.com/gorilla/schema v1.1.0 github.com/gorilla/schema |