chrome/browser/sync/sync_stopped_reporter.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/sync/sync_stopped_reporter.h"
   6
   7 #include "base/location.h"
   8 #include "base/logging.h"
   9 #include "base/single_thread_task_runner.h"
  10 #include "base/strings/stringprintf.h"
  11 #include "base/thread_task_runner_handle.h"
  12 #include "base/timer/timer.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/sync/glue/local_device_info_provider_impl.h"
  15 #include "net/base/load_flags.h"
  16 #include "net/http/http_status_code.h"
  17 #include "net/url_request/url_fetcher.h"
  18 #include "net/url_request/url_request_context_getter.h"
  19 #include "sync/protocol/sync.pb.h"
  20
  21 namespace {
  22
  23 const char kEventEndpoint[] = "event";
  24
  25 // The request is tiny, so even on poor connections 10 seconds should be
  26 // plenty of time. Since sync is off when this request is started, we don't
  27 // want anything sync-related hanging around for very long from a human
  28 // perspective either. This seems like a good compromise.
  29 const int kRequestTimeoutSeconds = 10;
  30
  31 }  // namespace
  32
  33 namespace browser_sync {
  34
  35 SyncStoppedReporter::SyncStoppedReporter(
  36     const GURL& sync_service_url,
  37     const std::string& user_agent,
  38     const scoped_refptr<net::URLRequestContextGetter>& request_context,
  39     const ResultCallback& callback)
  40     : sync_event_url_(GetSyncEventURL(sync_service_url)),
  41       user_agent_(user_agent),
  42       request_context_(request_context),
  43       callback_(callback) {
  44   DCHECK(!sync_service_url.is_empty());
  45   DCHECK(!user_agent_.empty());
  46   DCHECK(request_context);
  47 }
  48
  49 SyncStoppedReporter::~SyncStoppedReporter() {}
  50
  51 void SyncStoppedReporter::ReportSyncStopped(const std::string& access_token,
  52                                             const std::string& cache_guid,
  53                                             const std::string& birthday) {
  54   DCHECK(!access_token.empty());
  55   DCHECK(!cache_guid.empty());
  56   DCHECK(!birthday.empty());
  57
  58   // Make the request proto with the GUID identifying this client.
  59   sync_pb::EventRequest event_request;
  60   sync_pb::SyncDisabledEvent* sync_disabled_event =
  61       event_request.mutable_sync_disabled();
  62   sync_disabled_event->set_cache_guid(cache_guid);
  63   sync_disabled_event->set_store_birthday(birthday);
  64
  65   std::string msg;
  66   event_request.SerializeToString(&msg);
  67
  68   fetcher_ =
  69       net::URLFetcher::Create(sync_event_url_, net::URLFetcher::POST, this);
  70   fetcher_->AddExtraRequestHeader(base::StringPrintf(
  71       "%s: Bearer %s", net::HttpRequestHeaders::kAuthorization,
  72       access_token.c_str()));
  73   fetcher_->AddExtraRequestHeader(base::StringPrintf(
  74       "%s: %s", net::HttpRequestHeaders::kUserAgent, user_agent_.c_str()));
  75   fetcher_->SetRequestContext(request_context_.get());
  76   fetcher_->SetUploadData("application/octet-stream", msg);
  77   fetcher_->SetLoadFlags(net::LOAD_BYPASS_CACHE |
  78                          net::LOAD_DISABLE_CACHE |
  79                          net::LOAD_DO_NOT_SAVE_COOKIES |
  80                          net::LOAD_DO_NOT_SEND_COOKIES);
  81   fetcher_->Start();
  82   timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kRequestTimeoutSeconds),
  83                this, &SyncStoppedReporter::OnTimeout);
  84 }
  85
  86 void SyncStoppedReporter::OnURLFetchComplete(const net::URLFetcher* source) {
  87   Result result = source->GetResponseCode() == net::HTTP_OK
  88       ? RESULT_SUCCESS : RESULT_ERROR;
  89   fetcher_.reset();
  90   timer_.Stop();
  91   if (!callback_.is_null()) {
  92     base::ThreadTaskRunnerHandle::Get()->PostTask(
  93         FROM_HERE, base::Bind(callback_, result));
  94   }
  95 }
  96
  97 void SyncStoppedReporter::OnTimeout() {
  98   fetcher_.reset();
  99   if (!callback_.is_null()) {
 100     base::ThreadTaskRunnerHandle::Get()->PostTask(
 101         FROM_HERE, base::Bind(callback_, RESULT_TIMEOUT));
 102   }
 103 }
 104
 105 // Static.
 106 GURL SyncStoppedReporter::GetSyncEventURL(const GURL& sync_service_url) {
 107   std::string path = sync_service_url.path();
 108   if (path.empty() || *path.rbegin() != '/') {
 109     path += '/';
 110   }
 111   path += kEventEndpoint;
 112   GURL::Replacements replacements;
 113   replacements.SetPathStr(path);
 114   return sync_service_url.ReplaceComponents(replacements);
 115 }
 116
 117 void SyncStoppedReporter::SetTimerTaskRunnerForTest(
 118     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner) {
 119   timer_.SetTaskRunner(task_runner);
 120 }
 121
 122 }  // namespace browser_sync