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Bump Gorilla Mux to v1.8.0.

Browse source 
Signed-off-by: olegburov <oleg.burov@outlook.com>
This commit is contained in:
olegburov 2020-08-27 11:09:06 -07:00
parent 2800ab0224
commit 545596ae2c
14 changed files with 299 additions and 124 deletions
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2
go.mod
View file

@ -21,7 +21,7 @@ require (
github.com/docker/libtrust v0.0.0-20150114040149-fa567046d9b1
github.com/garyburd/redigo v0.0.0-20150301180006-535138d7bcd7
github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33
github.com/gorilla/mux v1.7.2
github.com/gorilla/mux v1.8.0
github.com/inconshreveable/mousetrap v1.0.0 // indirect
github.com/kr/pretty v0.1.0 // indirect
github.com/marstr/guid v1.1.0 // indirect

4
go.sum
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@ -57,8 +57,8 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33 h1:893HsJqtxp9z1SF76gg6hY70hRY1wVlTSnC/h1yUDCo=
github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
github.com/gorilla/mux v1.7.2 h1:zoNxOV7WjqXptQOVngLmcSQgXmgk4NMz1HibBchjl/I=
github.com/gorilla/mux v1.7.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/jmespath/go-jmespath v0.3.0 h1:OS12ieG61fsCg5+qLJ+SsW9NicxNkg3b25OyT2yCeUc=

24
vendor/github.com/gorilla/mux/.travis.yml generated vendored
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@ -1,24 +0,0 @@
language: go
matrix:
include:
- 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:
- # Skip
script:
- go get -t -v ./...
- diff -u <(echo -n) <(gofmt -d .)
- if [[ "$LATEST" = true ]]; then go vet .; fi
- go test -v -race ./...

11
vendor/github.com/gorilla/mux/ISSUE_TEMPLATE.md generated vendored
View file

@ -1,11 +0,0 @@
**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)

160
vendor/github.com/gorilla/mux/README.md generated vendored
View file

@ -1,10 +1,10 @@
# 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)
[![CircleCI](https://circleci.com/gh/gorilla/mux.svg?style=svg)](https://circleci.com/gh/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)
![Gorilla Logo](https://cloud-cdn.questionable.services/gorilla-icon-64.png)
https://www.gorillatoolkit.org/pkg/mux
@ -25,10 +25,12 @@ 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)
* [Middleware](#middleware)
* [Handling CORS Requests](#handling-cors-requests)
* [Testing Handlers](#testing-handlers)
* [Full Example](#full-example)
@ -210,6 +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.
@ -491,6 +580,73 @@ 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.
### Handling CORS Requests
[CORSMethodMiddleware](https://godoc.org/github.com/gorilla/mux#CORSMethodMiddleware) intends to make it easier to strictly set the `Access-Control-Allow-Methods` response header.
* You will still need to use your own CORS handler to set the other CORS headers such as `Access-Control-Allow-Origin`
* The middleware will set the `Access-Control-Allow-Methods` header to all the method matchers (e.g. `r.Methods(http.MethodGet, http.MethodPut, http.MethodOptions)` -> `Access-Control-Allow-Methods: GET,PUT,OPTIONS`) on a route
* If you do not specify any methods, then:
> _Important_: there must be an `OPTIONS` method matcher for the middleware to set the headers.
Here is an example of using `CORSMethodMiddleware` along with a custom `OPTIONS` handler to set all the required CORS headers:
```go
package main
import (
"net/http"
"github.com/gorilla/mux"
)
func main() {
r := mux.NewRouter()
// IMPORTANT: you must specify an OPTIONS method matcher for the middleware to set CORS headers
r.HandleFunc("/foo", fooHandler).Methods(http.MethodGet, http.MethodPut, http.MethodPatch, http.MethodOptions)
r.Use(mux.CORSMethodMiddleware(r))
http.ListenAndServe(":8080", r)
}
func fooHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
if r.Method == http.MethodOptions {
return
}
w.Write([]byte("foo"))
}
```
And an request to `/foo` using something like:
```bash
curl localhost:8080/foo -v
```
Would look like:
```bash
* Trying ::1...
* TCP_NODELAY set
* Connected to localhost (::1) port 8080 (#0)
> GET /foo HTTP/1.1
> Host: localhost:8080
> User-Agent: curl/7.59.0
> Accept: */*
>
< HTTP/1.1 200 OK
< Access-Control-Allow-Methods: GET,PUT,PATCH,OPTIONS
< Access-Control-Allow-Origin: *
< Date: Fri, 28 Jun 2019 20:13:30 GMT
< Content-Length: 3
< Content-Type: text/plain; charset=utf-8
<
* Connection #0 to host localhost left intact
foo
```
### 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_.

18
vendor/github.com/gorilla/mux/context.go generated vendored
View file

@ -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))
}

2
vendor/github.com/gorilla/mux/doc.go generated vendored
View file

@ -295,7 +295,7 @@ A more complex authentication middleware, which maps session token to users, cou
r := mux.NewRouter()
r.HandleFunc("/", handler)
amw := authenticationMiddleware{}
amw := authenticationMiddleware{tokenUsers: make(map[string]string)}
amw.Populate()
r.Use(amw.Middleware)

2
vendor/github.com/gorilla/mux/go.mod generated vendored
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@ -1 +1,3 @@
module github.com/gorilla/mux
go 1.12

56
vendor/github.com/gorilla/mux/middleware.go generated vendored
View file

@ -32,37 +32,19 @@ 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.
// CORSMethodMiddleware automatically sets the Access-Control-Allow-Methods response header
// on requests for routes that have an OPTIONS method matcher to all the method matchers on
// the route. Routes that do not explicitly handle OPTIONS requests will not be processed
// by the middleware. See examples for usage.
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
})
allMethods, err := getAllMethodsForRoute(r, req)
if err == nil {
w.Header().Set("Access-Control-Allow-Methods", strings.Join(append(allMethods, "OPTIONS"), ","))
if req.Method == "OPTIONS" {
return
for _, v := range allMethods {
if v == http.MethodOptions {
w.Header().Set("Access-Control-Allow-Methods", strings.Join(allMethods, ","))
}
}
}
@ -70,3 +52,23 @@ func CORSMethodMiddleware(r *Router) MiddlewareFunc {
})
}
}
// getAllMethodsForRoute returns all the methods from method matchers matching a given
// request.
func getAllMethodsForRoute(r *Router, req *http.Request) ([]string, error) {
var allMethods []string
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 allMethods, nil
}

31
vendor/github.com/gorilla/mux/mux.go generated vendored
View file

@ -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
@ -437,21 +435,22 @@ func Vars(r *http.Request) map[string]string {
// CurrentRoute returns the matched route for the current request, if any.
// This only works when called inside the handler of the matched route
// because the matched route is stored in the request context which is cleared
// after the handler returns, unless the KeepContext option is set on the
// Router.
// after the handler returns.
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)
}
// ----------------------------------------------------------------------------

71
vendor/github.com/gorilla/mux/regexp.go generated vendored
View file

@ -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))
}
@ -288,6 +325,12 @@ func (v routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) {
// Store host variables.
if v.host != nil {
host := getHost(req)
if v.host.wildcardHostPort {
// Don't be strict on the port match
if i := strings.Index(host, ":"); i != -1 {
host = host[:i]
}
}
matches := v.host.regexp.FindStringSubmatchIndex(host)
if len(matches) > 0 {
extractVars(host, matches, v.host.varsN, m.Vars)

38
vendor/github.com/gorilla/mux/route.go generated vendored
View file

@ -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)
}

2
vendor/github.com/gorilla/mux/test_helpers.go generated vendored
View file

@ -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)
}

2
vendor/modules.txt vendored
View file

@ -86,7 +86,7 @@ github.com/garyburd/redigo/redis
github.com/golang/protobuf/proto
# github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33
github.com/gorilla/handlers
# github.com/gorilla/mux v1.7.2
# github.com/gorilla/mux v1.8.0
github.com/gorilla/mux
# github.com/inconshreveable/mousetrap v1.0.0
github.com/inconshreveable/mousetrap