Updating dependencies. (#11680)

vendor/github.com/gorilla/handlers/.travis.yml

@@ -1,20 +0,0 @@
-language: go
-sudo: false
-
-matrix:
-  include:
-    - go: 1.4
-    - go: 1.5
-    - go: 1.6
-    - go: 1.7
-    - go: 1.8
-    - go: tip
-  allow_failures:
-    - go: tip
-
-script:
-  - go get -t -v ./...
-  - diff -u <(echo -n) <(gofmt -d .)
-  - go vet $(go list ./... | grep -v /vendor/)
-  - go test -v -race ./...
-  

vendor/github.com/gorilla/handlers/README.md

@@ -25,7 +25,7 @@ with Go's `net/http` package (or any framework supporting `http.Handler`), inclu
 * [**RecoveryHandler**](https://godoc.org/github.com/gorilla/handlers#RecoveryHandler) for recovering from unexpected panics.
 
 Other handlers are documented [on the Gorilla
-website](http://www.gorillatoolkit.org/pkg/handlers).
+website](https://www.gorillatoolkit.org/pkg/handlers).
 
 ## Example
 

vendor/github.com/gorilla/handlers/cors.go

@@ -19,14 +19,16 @@ type cors struct {
 	maxAge                 int
 	ignoreOptions          bool
 	allowCredentials       bool
+	optionStatusCode       int
 }
 
 // OriginValidator takes an origin string and returns whether or not that origin is allowed.
 type OriginValidator func(string) bool
 
 var (
-	defaultCorsMethods = []string{"GET", "HEAD", "POST"}
-	defaultCorsHeaders = []string{"Accept", "Accept-Language", "Content-Language", "Origin"}
+	defaultCorsOptionStatusCode = 200
+	defaultCorsMethods          = []string{"GET", "HEAD", "POST"}
+	defaultCorsHeaders          = []string{"Accept", "Accept-Language", "Content-Language", "Origin"}
 	// (WebKit/Safari v9 sends the Origin header by default in AJAX requests)
 )
 
@@ -130,6 +132,7 @@ func (ch *cors) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set(corsAllowOriginHeader, returnOrigin)
 
 	if r.Method == corsOptionMethod {
+		w.WriteHeader(ch.optionStatusCode)
 		return
 	}
 	ch.h.ServeHTTP(w, r)
@@ -164,9 +167,10 @@ func CORS(opts ...CORSOption) func(http.Handler) http.Handler {
 
 func parseCORSOptions(opts ...CORSOption) *cors {
 	ch := &cors{
-		allowedMethods: defaultCorsMethods,
-		allowedHeaders: defaultCorsHeaders,
-		allowedOrigins: []string{},
+		allowedMethods:   defaultCorsMethods,
+		allowedHeaders:   defaultCorsHeaders,
+		allowedOrigins:   []string{},
+		optionStatusCode: defaultCorsOptionStatusCode,
 	}
 
 	for _, option := range opts {
@@ -251,7 +255,20 @@ func AllowedOriginValidator(fn OriginValidator) CORSOption {
 	}
 }
 
-// ExposeHeaders can be used to specify headers that are available
+// OptionStatusCode sets a custom status code on the OPTIONS requests.
+// Default behaviour sets it to 200 to reflect best practices. This is option is not mandatory
+// and can be used if you need a custom status code (i.e 204).
+//
+// More informations on the spec:
+// https://fetch.spec.whatwg.org/#cors-preflight-fetch
+func OptionStatusCode(code int) CORSOption {
+	return func(ch *cors) error {
+		ch.optionStatusCode = code
+		return nil
+	}
+}
+
+// ExposedHeaders can be used to specify headers that are available
 // and will not be stripped out by the user-agent.
 func ExposedHeaders(headers []string) CORSOption {
 	return func(ch *cors) error {

vendor/github.com/gorilla/handlers/go.mod

@@ -0,0 +1 @@
+module github.com/gorilla/handlers

vendor/github.com/gorilla/handlers/handlers_go18.go

@@ -19,3 +19,11 @@ func (l *responseLogger) Push(target string, opts *http.PushOptions) error {
 	}
 	return p.Push(target, opts)
 }
+
+func (c *compressResponseWriter) Push(target string, opts *http.PushOptions) error {
+	p, ok := c.ResponseWriter.(http.Pusher)
+	if !ok {
+		return fmt.Errorf("compressResponseWriter does not implement http.Pusher")
+	}
+	return p.Push(target, opts)
+}

vendor/github.com/gorilla/handlers/logging.go

@@ -16,7 +16,7 @@ import (
 
 // Logging
 
-// FormatterParams is the structure any formatter will be handed when time to log comes
+// LogFormatterParams is the structure any formatter will be handed when time to log comes
 type LogFormatterParams struct {
 	Request    *http.Request
 	URL        url.URL