Support getting and deleting token for Instance ID.

components/gcm_driver/instance_id/instance_id_impl.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 "components/gcm_driver/instance_id/instance_id_impl.h"
 
 #include <algorithm>
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "components/gcm_driver/gcm_driver_desktop.h"
 #include "crypto/random.h"
 
 namespace instance_id {
 
+namespace {
+
+InstanceID::Result GCMClientResultToInstanceIDResult(
+    gcm::GCMClient::Result result) {
+  switch (result) {
+    case gcm::GCMClient::SUCCESS:
+      return InstanceID::SUCCESS;
+    case gcm::GCMClient::INVALID_PARAMETER:
+      return InstanceID::INVALID_PARAMETER;
+    case gcm::GCMClient::ASYNC_OPERATION_PENDING:
+      return InstanceID::ASYNC_OPERATION_PENDING;
+    case gcm::GCMClient::GCM_DISABLED:
+      return InstanceID::DISABLED;
+    case gcm::GCMClient::NETWORK_ERROR:
+      return InstanceID::NETWORK_ERROR;
+    case gcm::GCMClient::SERVER_ERROR:
+      return InstanceID::SERVER_ERROR;
+    case gcm::GCMClient::UNKNOWN_ERROR:
+      return InstanceID::UNKNOWN_ERROR;
+    default:
+      NOTREACHED() << "Unexpected value of result cannot be converted: "
+                   << result;
+  }
+  return InstanceID::UNKNOWN_ERROR;
+}
+
+}  // namespace
+
 // static
 InstanceID* InstanceID::Create(const std::string& app_id,
                                gcm::GCMDriver* gcm_driver) {
   return new InstanceIDImpl(app_id, gcm_driver);
 }
 
 InstanceIDImpl::InstanceIDImpl(const std::string& app_id,
                                gcm::GCMDriver* gcm_driver)
     : InstanceID(app_id),
       gcm_driver_(gcm_driver),
       load_from_store_(false),
       weak_ptr_factory_(this) {
-  gcm_driver_->GetInstanceIDStore()->GetInstanceIDData(
+  GetInstanceIDHandler()->GetInstanceIDData(
       app_id,
       base::Bind(&InstanceIDImpl::GetInstanceIDDataCompleted,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 InstanceIDImpl::~InstanceIDImpl() {
 }
 
 void InstanceIDImpl::GetID(const GetIDCallback& callback) {
   if (!delayed_task_controller_.CanRunTaskWithoutDelay()) {
@@ skipping 27 matching lines @@
 void InstanceIDImpl::DoGetCreationTime(
     const GetCreationTimeCallback& callback) {
   callback.Run(creation_time_);
 }
 
 void InstanceIDImpl::GetToken(
     const std::string& authorized_entity,
     const std::string& scope,
     const std::map<std::string, std::string>& options,
     const GetTokenCallback& callback) {
-  NOTIMPLEMENTED();
+  if (!delayed_task_controller_.CanRunTaskWithoutDelay()) {
+    delayed_task_controller_.AddTask(
+        base::Bind(&InstanceIDImpl::DoGetToken,
+                   weak_ptr_factory_.GetWeakPtr(),
+                   authorized_entity,
+                   scope,
+                   options,
+                   callback));
+    return;
+  }
+
+  DoGetToken(authorized_entity, scope, options, callback);
+}
+
+void InstanceIDImpl::DoGetToken(
+    const std::string& authorized_entity,
+    const std::string& scope,
+    const std::map<std::string, std::string>& options,
+    const GetTokenCallback& callback) {
+  EnsureIDGenerated();
+
+  GetInstanceIDHandler()->GetToken(
+      app_id(),
+      authorized_entity,
+      scope,
+      options,
+      base::Bind(&InstanceIDImpl::OnGetTokenCompleted,
+                 weak_ptr_factory_.GetWeakPtr(),
+                 callback));
 }
 
 void InstanceIDImpl::DeleteToken(const std::string& authorized_entity,
                                  const std::string& scope,
                                  const DeleteTokenCallback& callback) {
-  NOTIMPLEMENTED();
+  if (!delayed_task_controller_.CanRunTaskWithoutDelay()) {
+    delayed_task_controller_.AddTask(
+        base::Bind(&InstanceIDImpl::DoDeleteToken,
+                   weak_ptr_factory_.GetWeakPtr(),
+                   authorized_entity,
+                   scope,
+                   callback));
+    return;
+  }
+
+  DoDeleteToken(authorized_entity, scope, callback);
+}
+
+void InstanceIDImpl::DoDeleteToken(
+    const std::string& authorized_entity,
+    const std::string& scope,
+    const DeleteTokenCallback& callback) {
+  // Nothing to delete if the ID has not been generated.
+  if (id_.empty())
+    callback.Run(InstanceID::SUCCESS);
+
+  GetInstanceIDHandler()->DeleteToken(
+      app_id(),
+      authorized_entity,
+      scope,
+      base::Bind(&InstanceIDImpl::OnDeleteTokenCompleted,
+                 weak_ptr_factory_.GetWeakPtr(),
+                 callback));
 }
 
 void InstanceIDImpl::DeleteID(const DeleteIDCallback& callback) {
-  gcm_driver_->GetInstanceIDStore()->RemoveInstanceIDData(app_id());
+  GetInstanceIDHandler()->RemoveInstanceIDData(app_id());
 
   id_.clear();
   creation_time_ = base::Time();
 
   base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(callback, InstanceID::SUCCESS));
 }
 
+void InstanceIDImpl::OnGetTokenCompleted(const GetTokenCallback& callback,
+                                         const std::string& token,
+                                         gcm::GCMClient::Result result) {
+  callback.Run(token, GCMClientResultToInstanceIDResult(result));
+}
+
+void InstanceIDImpl::OnDeleteTokenCompleted(
+    const DeleteTokenCallback& callback,
+    gcm::GCMClient::Result result) {
+  callback.Run(GCMClientResultToInstanceIDResult(result));
+}
+
 void InstanceIDImpl::GetInstanceIDDataCompleted(
-    const std::string& instance_id_data) {
-  Deserialize(instance_id_data);
+    const std::string& instance_id,
+    const std::string& extra_data) {
+  id_ = instance_id;
+
+  if (extra_data.empty()) {
+    creation_time_ = base::Time();
+  } else {
+    int64 time_internal = 0LL;
+    if (!base::StringToInt64(extra_data, &time_internal)) {
+      DVLOG(1) << "Failed to parse the time data: " + extra_data;
+      return;
+    }
+    creation_time_ = base::Time::FromInternalValue(time_internal);
+  }
+
   delayed_task_controller_.SetReady();
 }
 
+gcm::InstanceIDHandler* InstanceIDImpl::GetInstanceIDHandler() const {
+  gcm::InstanceIDHandler* handler = gcm_driver_->GetInstanceIDHandler();
+  DCHECK(handler);
+  return handler;
+}
+
 void InstanceIDImpl::EnsureIDGenerated() {
   if (!id_.empty())
     return;
 
   // Now produce the ID in the following steps:
 
   // 1) Generates the random number in 8 bytes which is required by the server.
   //    We don't want to be strictly cryptographically secure. The server might
   //    reject the ID if there is a conflict or problem.
   uint8 bytes[kInstanceIDByteLength];
@@ skipping 10 matching lines @@
   base::Base64Encode(
       base::StringPiece(reinterpret_cast<const char*>(bytes), sizeof(bytes)),
       &id_);
   std::replace(id_.begin(), id_.end(), '+', '-');
   std::replace(id_.begin(), id_.end(), '/', '_');
   id_.erase(std::remove(id_.begin(), id_.end(), '='), id_.end());
 
   creation_time_ = base::Time::Now();
 
   // Save to the persistent store.
-  gcm_driver_->GetInstanceIDStore()->AddInstanceIDData(
-      app_id(), SerializeAsString());
-}
-
-std::string InstanceIDImpl::SerializeAsString() const {
-  std::string serialized_data;
-  serialized_data += id_;
-  serialized_data += ",";
-  serialized_data += base::Int64ToString(creation_time_.ToInternalValue());
-  return serialized_data;
-}
-
-void InstanceIDImpl::Deserialize(const std::string& serialized_data) {
-  if (serialized_data.empty())
-    return;
-  std::size_t pos = serialized_data.find(',');
-  if (pos == std::string::npos) {
-    DVLOG(1) << "Failed to deserialize the InstanceID data: " + serialized_data;
-    return;
-  }
-
-  id_ = serialized_data.substr(0, pos);
-
-  int64 time_internal = 0LL;
-  if (!base::StringToInt64(serialized_data.substr(pos + 1), &time_internal)) {
-    DVLOG(1) << "Failed to deserialize the InstanceID data: " + serialized_data;
-    return;
-  }
-  creation_time_ = base::Time::FromInternalValue(time_internal);
+  GetInstanceIDHandler()->AddInstanceIDData(
+      app_id(),
+      id_,
+      base::Int64ToString(creation_time_.ToInternalValue()));
 }
 
 }  // namespace instance_id