Bump google.golang.org/api

vendor/github.com/google/martian/verify/verify_handlers.go

@@ -0,0 +1,139 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package verify
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/google/martian"
+	"github.com/google/martian/log"
+)
+
+// Handler is an http.Handler that returns the request and response
+// verifications of reqv and resv as JSON.
+type Handler struct {
+	reqv RequestVerifier
+	resv ResponseVerifier
+}
+
+// ResetHandler is an http.Handler that resets the request and response
+// verifications of reqv and resv.
+type ResetHandler struct {
+	reqv RequestVerifier
+	resv ResponseVerifier
+}
+
+type verifyResponse struct {
+	Errors []verifyError `json:"errors"`
+}
+
+type verifyError struct {
+	Message string `json:"message"`
+}
+
+// NewHandler returns an http.Handler for requesting the verification
+// error status.
+func NewHandler() *Handler {
+	return &Handler{}
+}
+
+// NewResetHandler returns an http.Handler for reseting the verification error
+// status.
+func NewResetHandler() *ResetHandler {
+	return &ResetHandler{}
+}
+
+// SetRequestVerifier sets the RequestVerifier to verify.
+func (h *Handler) SetRequestVerifier(reqv RequestVerifier) {
+	h.reqv = reqv
+}
+
+// SetResponseVerifier sets the ResponseVerifier to verify.
+func (h *Handler) SetResponseVerifier(resv ResponseVerifier) {
+	h.resv = resv
+}
+
+// ServeHTTP writes out a JSON response containing a list of verification
+// errors that occurred during the requests and responses sent to the proxy.
+func (h *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
+	rw.Header().Set("Content-Type", "application/json")
+
+	if req.Method != "GET" {
+		rw.Header().Set("Allow", "GET")
+		rw.WriteHeader(405)
+		log.Errorf("verify: invalid request method: %s", req.Method)
+		return
+	}
+
+	vres := &verifyResponse{
+		Errors: make([]verifyError, 0),
+	}
+
+	if h.reqv != nil {
+		if err := h.reqv.VerifyRequests(); err != nil {
+			appendError(vres, err)
+		}
+	}
+	if h.resv != nil {
+		if err := h.resv.VerifyResponses(); err != nil {
+			appendError(vres, err)
+		}
+	}
+
+	json.NewEncoder(rw).Encode(vres)
+}
+
+func appendError(vres *verifyResponse, err error) {
+	merr, ok := err.(*martian.MultiError)
+	if !ok {
+		vres.Errors = append(vres.Errors, verifyError{Message: err.Error()})
+		return
+	}
+
+	for _, err := range merr.Errors() {
+		vres.Errors = append(vres.Errors, verifyError{Message: err.Error()})
+	}
+}
+
+// SetRequestVerifier sets the RequestVerifier to reset.
+func (h *ResetHandler) SetRequestVerifier(reqv RequestVerifier) {
+	h.reqv = reqv
+}
+
+// SetResponseVerifier sets the ResponseVerifier to reset.
+func (h *ResetHandler) SetResponseVerifier(resv ResponseVerifier) {
+	h.resv = resv
+}
+
+// ServeHTTP resets the verifier for the given ID so that it may
+// be run again.
+func (h *ResetHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
+	if req.Method != "POST" {
+		rw.Header().Set("Allow", "POST")
+		rw.WriteHeader(405)
+		log.Errorf("verify: invalid request method: %s", req.Method)
+		return
+	}
+
+	if h.reqv != nil {
+		h.reqv.ResetRequestVerifications()
+	}
+	if h.resv != nil {
+		h.resv.ResetResponseVerifications()
+	}
+
+	rw.WriteHeader(204)
+}