Support getting and deleting token for Instance ID.

google_apis/gcm/engine/instance_id_delete_token_request.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "google_apis/gcm/engine/instance_id_delete_token_request.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "google_apis/gcm/base/gcm_util.h"
+#include "net/url_request/url_fetcher.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace gcm {
+
+namespace {
+
+// Request constants.
+const char kGMSVersionKey[] = "gmsv";
+const char kInstanceIDKey[] = "appid";
+const char kSenderKey[] = "sender";
+const char kScopeKey[] = "scope";
+
+// Response constants.
+const char kTokenPrefix[] = "token=";
+
+}  // namespace
+
+InstanceIDDeleteTokenRequest::ExtraRequestInfo::ExtraRequestInfo(
+    const std::string& instance_id,
+    const std::string& authorized_entity,
+    const std::string& scope,
+    int gcm_version)
+    : instance_id(instance_id),
+      authorized_entity(authorized_entity),
+      scope(scope),
+      gcm_version(gcm_version) {
+}
+
+InstanceIDDeleteTokenRequest::ExtraRequestInfo::~ExtraRequestInfo() {}
+
+InstanceIDDeleteTokenRequest::InstanceIDDeleteTokenRequest(
+    const GURL& registration_url,
+    const RequestInfo& request_info,
+    const ExtraRequestInfo& extra_request_info,
+    const net::BackoffEntry::Policy& backoff_policy,
+    const UnregistrationCallback& callback,
+    scoped_refptr<net::URLRequestContextGetter> request_context_getter,
+    GCMStatsRecorder* recorder)
+    : UnregistrationRequest(registration_url,
+                            request_info,
+                            backoff_policy,
+                            callback,
+                            request_context_getter,
+                            recorder),
+      extra_request_info_(extra_request_info) {
+}
+
+InstanceIDDeleteTokenRequest::~InstanceIDDeleteTokenRequest() {}
+
+void InstanceIDDeleteTokenRequest::BuildRequestBody(
+    std::string* body){
+  DCHECK(!extra_request_info_.instance_id.empty() &&
+         !extra_request_info_.authorized_entity.empty() &&
+         !extra_request_info_.scope.empty());
+
+  UnregistrationRequest::BuildRequestBody(body);
+
+  BuildFormEncoding(kInstanceIDKey, extra_request_info_.instance_id, body);
+  BuildFormEncoding(kSenderKey,
+                    extra_request_info_.authorized_entity,
+                    body);
+  BuildFormEncoding(kScopeKey, extra_request_info_.scope, body);
+  BuildFormEncoding(kGMSVersionKey,
+                    base::IntToString(extra_request_info_.gcm_version),
+                    body);
+}
+
+bool InstanceIDDeleteTokenRequest::ParseResponse(
+    const net::URLFetcher* source,
+    UnregistrationRequest::Status* status) {
+  if (UnregistrationRequest::ParseResponse(source, status))
+    return true;
+
+  std::string response;
+  if (!source->GetResponseAsString(&response)) {
+    DVLOG(1) << "Failed to get response body.";
+    *status = UnregistrationRequest::NO_RESPONSE_BODY;
+    return true;
+  }
+
+  DVLOG(1) << "Parsing unregistration response.";
+  if (response.find(kTokenPrefix) != std::string::npos) {
+    *status = UnregistrationRequest::SUCCESS;
+    return true;
+  }
+
+  *status = UnregistrationRequest::RESPONSE_PARSING_FAILED;
+  return true;
+}
+
+}  // namespace gcm