sync/internal_api/delete_journal.cc

   1 // Copyright (c) 2012 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 "sync/internal_api/public/delete_journal.h"
   6
   7 #include "sync/internal_api/public/base_transaction.h"
   8 #include "sync/syncable/directory.h"
   9 #include "sync/syncable/syncable_base_transaction.h"
  10
  11 namespace syncer {
  12
  13 // static
  14 void DeleteJournal::GetBookmarkDeleteJournals(
  15     BaseTransaction* trans, BookmarkDeleteJournalList *delete_journal_list) {
  16   syncer::syncable::EntryKernelSet deleted_entries;
  17   trans->GetDirectory()->delete_journal()->GetDeleteJournals(
  18       trans->GetWrappedTrans(), BOOKMARKS, &deleted_entries);
  19   std::set<int64> undecryptable_journal;
  20   for (syncer::syncable::EntryKernelSet::const_iterator i =
  21       deleted_entries.begin(); i != deleted_entries.end(); ++i) {
  22     delete_journal_list->push_back(BookmarkDeleteJournal());
  23     delete_journal_list->back().id = (*i)->ref(syncer::syncable::META_HANDLE);
  24     delete_journal_list->back().is_folder = (*i)->ref(syncer::syncable::IS_DIR);
  25
  26     const sync_pb::EntitySpecifics& specifics = (*i)->ref(
  27         syncer::syncable::SPECIFICS);
  28     if (!specifics.has_encrypted()) {
  29       delete_journal_list->back().specifics = specifics;
  30     } else {
  31       std::string plaintext_data = trans->GetCryptographer()->DecryptToString(
  32           specifics.encrypted());
  33       sync_pb::EntitySpecifics unencrypted_data;
  34       if (plaintext_data.length() == 0 ||
  35           !unencrypted_data.ParseFromString(plaintext_data)) {
  36         // Fail to decrypt, Add this delete journal to purge.
  37         undecryptable_journal.insert(delete_journal_list->back().id);
  38         delete_journal_list->pop_back();
  39       } else {
  40         delete_journal_list->back().specifics = unencrypted_data;
  41       }
  42     }
  43   }
  44
  45   if (!undecryptable_journal.empty()) {
  46     trans->GetDirectory()->delete_journal()->PurgeDeleteJournals(
  47         trans->GetWrappedTrans(), undecryptable_journal);
  48   }
  49 }
  50
  51 // static
  52 void DeleteJournal::PurgeDeleteJournals(BaseTransaction* trans,
  53                                         const std::set<int64>& ids) {
  54   trans->GetDirectory()->delete_journal()->PurgeDeleteJournals(
  55       trans->GetWrappedTrans(), ids);
  56 }
  57
  58 }  // namespace syncer