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      1 // Copyright 2013 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_file_system/drive_backend_v1/drive_file_sync_util.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/logging.h"
      9 #include "chrome/browser/sync_file_system/logger.h"
     10 
     11 namespace sync_file_system {
     12 
     13 namespace {
     14 
     15 // A command-line switch to disable Drive API and to make Sync FileSystem API
     16 // work on WAPI (http://crbug.com/234557)
     17 // TODO(nhiroki): this command-line switch should be temporary.
     18 const char kDisableDriveAPI[] = "disable-drive-api-for-syncfs";
     19 
     20 bool is_drive_api_disabled = false;
     21 
     22 }  // namespace
     23 
     24 SyncStatusCode GDataErrorCodeToSyncStatusCode(
     25     google_apis::GDataErrorCode error) {
     26   // NOTE: Please update DriveFileSyncService::UpdateServiceState when you add
     27   // more error code mapping.
     28   switch (error) {
     29     case google_apis::HTTP_SUCCESS:
     30     case google_apis::HTTP_CREATED:
     31     case google_apis::HTTP_NO_CONTENT:
     32     case google_apis::HTTP_FOUND:
     33       return SYNC_STATUS_OK;
     34 
     35     case google_apis::HTTP_NOT_MODIFIED:
     36       return SYNC_STATUS_NOT_MODIFIED;
     37 
     38     case google_apis::HTTP_CONFLICT:
     39     case google_apis::HTTP_PRECONDITION:
     40       return SYNC_STATUS_HAS_CONFLICT;
     41 
     42     case google_apis::HTTP_UNAUTHORIZED:
     43       return SYNC_STATUS_AUTHENTICATION_FAILED;
     44 
     45     case google_apis::GDATA_NO_CONNECTION:
     46       return SYNC_STATUS_NETWORK_ERROR;
     47 
     48     case google_apis::HTTP_INTERNAL_SERVER_ERROR:
     49     case google_apis::HTTP_BAD_GATEWAY:
     50     case google_apis::HTTP_SERVICE_UNAVAILABLE:
     51     case google_apis::GDATA_CANCELLED:
     52     case google_apis::GDATA_NOT_READY:
     53       return SYNC_STATUS_SERVICE_TEMPORARILY_UNAVAILABLE;
     54 
     55     case google_apis::HTTP_NOT_FOUND:
     56     case google_apis::HTTP_GONE:
     57       return SYNC_FILE_ERROR_NOT_FOUND;
     58 
     59     case google_apis::GDATA_FILE_ERROR:
     60       return SYNC_FILE_ERROR_FAILED;
     61 
     62     case google_apis::HTTP_FORBIDDEN:
     63       return SYNC_STATUS_ACCESS_FORBIDDEN;
     64 
     65     case google_apis::HTTP_RESUME_INCOMPLETE:
     66     case google_apis::HTTP_BAD_REQUEST:
     67     case google_apis::HTTP_LENGTH_REQUIRED:
     68     case google_apis::HTTP_NOT_IMPLEMENTED:
     69     case google_apis::GDATA_PARSE_ERROR:
     70     case google_apis::GDATA_OTHER_ERROR:
     71       return SYNC_STATUS_FAILED;
     72 
     73     case google_apis::GDATA_NO_SPACE:
     74       return SYNC_FILE_ERROR_NO_SPACE;
     75   }
     76 
     77   // There's a case where DriveService layer returns GDataErrorCode==-1
     78   // when network is unavailable. (http://crbug.com/223042)
     79   // TODO(kinuko,nhiroki): We should identify from where this undefined error
     80   // code is coming.
     81   if (error == -1)
     82     return SYNC_STATUS_NETWORK_ERROR;
     83 
     84   util::Log(logging::LOG_WARNING,
     85             FROM_HERE,
     86             "Got unexpected error: %d",
     87             static_cast<int>(error));
     88   return SYNC_STATUS_FAILED;
     89 }
     90 
     91 void SetDisableDriveAPI(bool flag) {
     92   is_drive_api_disabled = flag;
     93 }
     94 
     95 bool IsDriveAPIDisabled() {
     96   return is_drive_api_disabled ||
     97       CommandLine::ForCurrentProcess()->HasSwitch(kDisableDriveAPI);
     98 }
     99 
    100 ScopedDisableDriveAPI::ScopedDisableDriveAPI()
    101     : was_disabled_(IsDriveAPIDisabled()) {
    102   SetDisableDriveAPI(true);
    103 }
    104 
    105 ScopedDisableDriveAPI::~ScopedDisableDriveAPI() {
    106   DCHECK(IsDriveAPIDisabled());
    107   SetDisableDriveAPI(was_disabled_);
    108 }
    109 
    110 }  // namespace sync_file_system
    111