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| 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 "chrome/browser/sync/internal_api/base_node.h" | |
| 6 | |
| 7 #include "base/base64.h" | |
| 8 #include "base/sha1.h" | |
| 9 #include "base/string_number_conversions.h" | |
| 10 #include "base/utf_string_conversions.h" | |
| 11 #include "base/values.h" | |
| 12 #include "chrome/browser/sync/internal_api/syncapi_internal.h" | |
| 13 #include "chrome/browser/sync/internal_api/base_transaction.h" | |
| 14 #include "sync/protocol/app_specifics.pb.h" | |
| 15 #include "sync/protocol/autofill_specifics.pb.h" | |
| 16 #include "sync/protocol/bookmark_specifics.pb.h" | |
| 17 #include "sync/protocol/extension_specifics.pb.h" | |
| 18 #include "sync/protocol/nigori_specifics.pb.h" | |
| 19 #include "sync/protocol/password_specifics.pb.h" | |
| 20 #include "sync/protocol/session_specifics.pb.h" | |
| 21 #include "sync/protocol/theme_specifics.pb.h" | |
| 22 #include "sync/protocol/typed_url_specifics.pb.h" | |
| 23 #include "sync/syncable/syncable.h" | |
| 24 #include "sync/syncable/syncable_id.h" | |
| 25 #include "sync/util/time.h" | |
| 26 | |
| 27 using syncable::SPECIFICS; | |
| 28 using sync_pb::AutofillProfileSpecifics; | |
| 29 | |
| 30 namespace sync_api { | |
| 31 | |
| 32 // Helper function to look up the int64 metahandle of an object given the ID | |
| 33 // string. | |
| 34 static int64 IdToMetahandle(syncable::BaseTransaction* trans, | |
| 35 const syncable::Id& id) { | |
| 36 syncable::Entry entry(trans, syncable::GET_BY_ID, id); | |
| 37 if (!entry.good()) | |
| 38 return kInvalidId; | |
| 39 return entry.Get(syncable::META_HANDLE); | |
| 40 } | |
| 41 | |
| 42 static bool EndsWithSpace(const std::string& string) { | |
| 43 return !string.empty() && *string.rbegin() == ' '; | |
| 44 } | |
| 45 | |
| 46 // In the reverse direction, if a server name matches the pattern of a | |
| 47 // server-illegal name followed by one or more spaces, remove the trailing | |
| 48 // space. | |
| 49 static void ServerNameToSyncAPIName(const std::string& server_name, | |
| 50 std::string* out) { | |
| 51 CHECK(out); | |
| 52 int length_to_copy = server_name.length(); | |
| 53 if (IsNameServerIllegalAfterTrimming(server_name) && | |
| 54 EndsWithSpace(server_name)) { | |
| 55 --length_to_copy; | |
| 56 } | |
| 57 *out = std::string(server_name.c_str(), length_to_copy); | |
| 58 } | |
| 59 | |
| 60 BaseNode::BaseNode() : password_data_(new sync_pb::PasswordSpecificsData) {} | |
| 61 | |
| 62 BaseNode::~BaseNode() {} | |
| 63 | |
| 64 std::string BaseNode::GenerateSyncableHash( | |
| 65 syncable::ModelType model_type, const std::string& client_tag) { | |
| 66 // Blank PB with just the field in it has termination symbol, | |
| 67 // handy for delimiter. | |
| 68 sync_pb::EntitySpecifics serialized_type; | |
| 69 syncable::AddDefaultFieldValue(model_type, &serialized_type); | |
| 70 std::string hash_input; | |
| 71 serialized_type.AppendToString(&hash_input); | |
| 72 hash_input.append(client_tag); | |
| 73 | |
| 74 std::string encode_output; | |
| 75 CHECK(base::Base64Encode(base::SHA1HashString(hash_input), &encode_output)); | |
| 76 return encode_output; | |
| 77 } | |
| 78 | |
| 79 bool BaseNode::DecryptIfNecessary() { | |
| 80 if (!GetEntry()->Get(syncable::UNIQUE_SERVER_TAG).empty()) | |
| 81 return true; // Ignore unique folders. | |
| 82 const sync_pb::EntitySpecifics& specifics = | |
| 83 GetEntry()->Get(syncable::SPECIFICS); | |
| 84 if (specifics.has_password()) { | |
| 85 // Passwords have their own legacy encryption structure. | |
| 86 scoped_ptr<sync_pb::PasswordSpecificsData> data(DecryptPasswordSpecifics( | |
| 87 specifics, GetTransaction()->GetCryptographer())); | |
| 88 if (!data.get()) { | |
| 89 LOG(ERROR) << "Failed to decrypt password specifics."; | |
| 90 return false; | |
| 91 } | |
| 92 password_data_.swap(data); | |
| 93 return true; | |
| 94 } | |
| 95 | |
| 96 // We assume any node with the encrypted field set has encrypted data and if | |
| 97 // not we have no work to do, with the exception of bookmarks. For bookmarks | |
| 98 // we must make sure the bookmarks data has the title field supplied. If not, | |
| 99 // we fill the unencrypted_data_ with a copy of the bookmark specifics that | |
| 100 // follows the new bookmarks format. | |
| 101 if (!specifics.has_encrypted()) { | |
| 102 if (GetModelType() == syncable::BOOKMARKS && | |
| 103 !specifics.bookmark().has_title() && | |
| 104 !GetTitle().empty()) { // Last check ensures this isn't a new node. | |
| 105 // We need to fill in the title. | |
| 106 std::string title = GetTitle(); | |
| 107 std::string server_legal_title; | |
| 108 SyncAPINameToServerName(title, &server_legal_title); | |
| 109 DVLOG(1) << "Reading from legacy bookmark, manually returning title " | |
| 110 << title; | |
| 111 unencrypted_data_.CopyFrom(specifics); | |
| 112 unencrypted_data_.mutable_bookmark()->set_title( | |
| 113 server_legal_title); | |
| 114 } | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 const sync_pb::EncryptedData& encrypted = specifics.encrypted(); | |
| 119 std::string plaintext_data = GetTransaction()->GetCryptographer()-> | |
| 120 DecryptToString(encrypted); | |
| 121 if (plaintext_data.length() == 0 || | |
| 122 !unencrypted_data_.ParseFromString(plaintext_data)) { | |
| 123 LOG(ERROR) << "Failed to decrypt encrypted node of type " << | |
| 124 syncable::ModelTypeToString(GetModelType()) << "."; | |
| 125 return false; | |
| 126 } | |
| 127 DVLOG(2) << "Decrypted specifics of type " | |
| 128 << syncable::ModelTypeToString(GetModelType()) | |
| 129 << " with content: " << plaintext_data; | |
| 130 return true; | |
| 131 } | |
| 132 | |
| 133 const sync_pb::EntitySpecifics& BaseNode::GetUnencryptedSpecifics( | |
| 134 const syncable::Entry* entry) const { | |
| 135 const sync_pb::EntitySpecifics& specifics = entry->Get(SPECIFICS); | |
| 136 if (specifics.has_encrypted()) { | |
| 137 DCHECK_NE(syncable::GetModelTypeFromSpecifics(unencrypted_data_), | |
| 138 syncable::UNSPECIFIED); | |
| 139 return unencrypted_data_; | |
| 140 } else { | |
| 141 // Due to the change in bookmarks format, we need to check to see if this is | |
| 142 // a legacy bookmarks (and has no title field in the proto). If it is, we | |
| 143 // return the unencrypted_data_, which was filled in with the title by | |
| 144 // DecryptIfNecessary(). | |
| 145 if (GetModelType() == syncable::BOOKMARKS) { | |
| 146 const sync_pb::BookmarkSpecifics& bookmark_specifics = | |
| 147 specifics.bookmark(); | |
| 148 if (bookmark_specifics.has_title() || | |
| 149 GetTitle().empty() || // For the empty node case | |
| 150 !GetEntry()->Get(syncable::UNIQUE_SERVER_TAG).empty()) { | |
| 151 // It's possible we previously had to convert and set | |
| 152 // |unencrypted_data_| but then wrote our own data, so we allow | |
| 153 // |unencrypted_data_| to be non-empty. | |
| 154 return specifics; | |
| 155 } else { | |
| 156 DCHECK_EQ(syncable::GetModelTypeFromSpecifics(unencrypted_data_), | |
| 157 syncable::BOOKMARKS); | |
| 158 return unencrypted_data_; | |
| 159 } | |
| 160 } else { | |
| 161 DCHECK_EQ(syncable::GetModelTypeFromSpecifics(unencrypted_data_), | |
| 162 syncable::UNSPECIFIED); | |
| 163 return specifics; | |
| 164 } | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 int64 BaseNode::GetParentId() const { | |
| 169 return IdToMetahandle(GetTransaction()->GetWrappedTrans(), | |
| 170 GetEntry()->Get(syncable::PARENT_ID)); | |
| 171 } | |
| 172 | |
| 173 int64 BaseNode::GetId() const { | |
| 174 return GetEntry()->Get(syncable::META_HANDLE); | |
| 175 } | |
| 176 | |
| 177 const base::Time& BaseNode::GetModificationTime() const { | |
| 178 return GetEntry()->Get(syncable::MTIME); | |
| 179 } | |
| 180 | |
| 181 bool BaseNode::GetIsFolder() const { | |
| 182 return GetEntry()->Get(syncable::IS_DIR); | |
| 183 } | |
| 184 | |
| 185 std::string BaseNode::GetTitle() const { | |
| 186 std::string result; | |
| 187 // TODO(zea): refactor bookmarks to not need this functionality. | |
| 188 if (syncable::BOOKMARKS == GetModelType() && | |
| 189 GetEntry()->Get(syncable::SPECIFICS).has_encrypted()) { | |
| 190 // Special case for legacy bookmarks dealing with encryption. | |
| 191 ServerNameToSyncAPIName(GetBookmarkSpecifics().title(), &result); | |
| 192 } else { | |
| 193 ServerNameToSyncAPIName(GetEntry()->Get(syncable::NON_UNIQUE_NAME), | |
| 194 &result); | |
| 195 } | |
| 196 return result; | |
| 197 } | |
| 198 | |
| 199 GURL BaseNode::GetURL() const { | |
| 200 return GURL(GetBookmarkSpecifics().url()); | |
| 201 } | |
| 202 | |
| 203 bool BaseNode::HasChildren() const { | |
| 204 syncable::Directory* dir = GetTransaction()->GetDirectory(); | |
| 205 syncable::BaseTransaction* trans = GetTransaction()->GetWrappedTrans(); | |
| 206 return dir->HasChildren(trans, GetEntry()->Get(syncable::ID)); | |
| 207 } | |
| 208 | |
| 209 int64 BaseNode::GetPredecessorId() const { | |
| 210 syncable::Id id_string = GetEntry()->Get(syncable::PREV_ID); | |
| 211 if (id_string.IsRoot()) | |
| 212 return kInvalidId; | |
| 213 return IdToMetahandle(GetTransaction()->GetWrappedTrans(), id_string); | |
| 214 } | |
| 215 | |
| 216 int64 BaseNode::GetSuccessorId() const { | |
| 217 syncable::Id id_string = GetEntry()->Get(syncable::NEXT_ID); | |
| 218 if (id_string.IsRoot()) | |
| 219 return kInvalidId; | |
| 220 return IdToMetahandle(GetTransaction()->GetWrappedTrans(), id_string); | |
| 221 } | |
| 222 | |
| 223 int64 BaseNode::GetFirstChildId() const { | |
| 224 syncable::Directory* dir = GetTransaction()->GetDirectory(); | |
| 225 syncable::BaseTransaction* trans = GetTransaction()->GetWrappedTrans(); | |
| 226 syncable::Id id_string; | |
| 227 // TODO(akalin): Propagate up the error further (see | |
| 228 // http://crbug.com/100907). | |
| 229 CHECK(dir->GetFirstChildId(trans, | |
| 230 GetEntry()->Get(syncable::ID), &id_string)); | |
| 231 if (id_string.IsRoot()) | |
| 232 return kInvalidId; | |
| 233 return IdToMetahandle(GetTransaction()->GetWrappedTrans(), id_string); | |
| 234 } | |
| 235 | |
| 236 DictionaryValue* BaseNode::GetSummaryAsValue() const { | |
| 237 DictionaryValue* node_info = new DictionaryValue(); | |
| 238 node_info->SetString("id", base::Int64ToString(GetId())); | |
| 239 node_info->SetBoolean("isFolder", GetIsFolder()); | |
| 240 node_info->SetString("title", GetTitle()); | |
| 241 node_info->Set("type", ModelTypeToValue(GetModelType())); | |
| 242 return node_info; | |
| 243 } | |
| 244 | |
| 245 DictionaryValue* BaseNode::GetDetailsAsValue() const { | |
| 246 DictionaryValue* node_info = GetSummaryAsValue(); | |
| 247 node_info->SetString( | |
| 248 "modificationTime", | |
| 249 browser_sync::GetTimeDebugString(GetModificationTime())); | |
| 250 node_info->SetString("parentId", base::Int64ToString(GetParentId())); | |
| 251 // Specifics are already in the Entry value, so no need to duplicate | |
| 252 // it here. | |
| 253 node_info->SetString("externalId", | |
| 254 base::Int64ToString(GetExternalId())); | |
| 255 node_info->SetString("predecessorId", | |
| 256 base::Int64ToString(GetPredecessorId())); | |
| 257 node_info->SetString("successorId", | |
| 258 base::Int64ToString(GetSuccessorId())); | |
| 259 node_info->SetString("firstChildId", | |
| 260 base::Int64ToString(GetFirstChildId())); | |
| 261 node_info->Set("entry", GetEntry()->ToValue()); | |
| 262 return node_info; | |
| 263 } | |
| 264 | |
| 265 void BaseNode::GetFaviconBytes(std::vector<unsigned char>* output) const { | |
| 266 if (!output) | |
| 267 return; | |
| 268 const std::string& favicon = GetBookmarkSpecifics().favicon(); | |
| 269 output->assign(reinterpret_cast<const unsigned char*>(favicon.data()), | |
| 270 reinterpret_cast<const unsigned char*>(favicon.data() + | |
| 271 favicon.length())); | |
| 272 } | |
| 273 | |
| 274 int64 BaseNode::GetExternalId() const { | |
| 275 return GetEntry()->Get(syncable::LOCAL_EXTERNAL_ID); | |
| 276 } | |
| 277 | |
| 278 const sync_pb::AppSpecifics& BaseNode::GetAppSpecifics() const { | |
| 279 DCHECK_EQ(syncable::APPS, GetModelType()); | |
| 280 return GetEntitySpecifics().app(); | |
| 281 } | |
| 282 | |
| 283 const sync_pb::AutofillSpecifics& BaseNode::GetAutofillSpecifics() const { | |
| 284 DCHECK_EQ(syncable::AUTOFILL, GetModelType()); | |
| 285 return GetEntitySpecifics().autofill(); | |
| 286 } | |
| 287 | |
| 288 const AutofillProfileSpecifics& BaseNode::GetAutofillProfileSpecifics() const { | |
| 289 DCHECK_EQ(GetModelType(), syncable::AUTOFILL_PROFILE); | |
| 290 return GetEntitySpecifics().autofill_profile(); | |
| 291 } | |
| 292 | |
| 293 const sync_pb::BookmarkSpecifics& BaseNode::GetBookmarkSpecifics() const { | |
| 294 DCHECK_EQ(syncable::BOOKMARKS, GetModelType()); | |
| 295 return GetEntitySpecifics().bookmark(); | |
| 296 } | |
| 297 | |
| 298 const sync_pb::NigoriSpecifics& BaseNode::GetNigoriSpecifics() const { | |
| 299 DCHECK_EQ(syncable::NIGORI, GetModelType()); | |
| 300 return GetEntitySpecifics().nigori(); | |
| 301 } | |
| 302 | |
| 303 const sync_pb::PasswordSpecificsData& BaseNode::GetPasswordSpecifics() const { | |
| 304 DCHECK_EQ(syncable::PASSWORDS, GetModelType()); | |
| 305 return *password_data_; | |
| 306 } | |
| 307 | |
| 308 const sync_pb::ThemeSpecifics& BaseNode::GetThemeSpecifics() const { | |
| 309 DCHECK_EQ(syncable::THEMES, GetModelType()); | |
| 310 return GetEntitySpecifics().theme(); | |
| 311 } | |
| 312 | |
| 313 const sync_pb::TypedUrlSpecifics& BaseNode::GetTypedUrlSpecifics() const { | |
| 314 DCHECK_EQ(syncable::TYPED_URLS, GetModelType()); | |
| 315 return GetEntitySpecifics().typed_url(); | |
| 316 } | |
| 317 | |
| 318 const sync_pb::ExtensionSpecifics& BaseNode::GetExtensionSpecifics() const { | |
| 319 DCHECK_EQ(syncable::EXTENSIONS, GetModelType()); | |
| 320 return GetEntitySpecifics().extension(); | |
| 321 } | |
| 322 | |
| 323 const sync_pb::SessionSpecifics& BaseNode::GetSessionSpecifics() const { | |
| 324 DCHECK_EQ(syncable::SESSIONS, GetModelType()); | |
| 325 return GetEntitySpecifics().session(); | |
| 326 } | |
| 327 | |
| 328 const sync_pb::EntitySpecifics& BaseNode::GetEntitySpecifics() const { | |
| 329 return GetUnencryptedSpecifics(GetEntry()); | |
| 330 } | |
| 331 | |
| 332 syncable::ModelType BaseNode::GetModelType() const { | |
| 333 return GetEntry()->GetModelType(); | |
| 334 } | |
| 335 | |
| 336 void BaseNode::SetUnencryptedSpecifics( | |
| 337 const sync_pb::EntitySpecifics& specifics) { | |
| 338 syncable::ModelType type = syncable::GetModelTypeFromSpecifics(specifics); | |
| 339 DCHECK_NE(syncable::UNSPECIFIED, type); | |
| 340 if (GetModelType() != syncable::UNSPECIFIED) { | |
| 341 DCHECK_EQ(GetModelType(), type); | |
| 342 } | |
| 343 unencrypted_data_.CopyFrom(specifics); | |
| 344 } | |
| 345 | |
| 346 } // namespace sync_api | |
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Chromium Code Reviews
Issue 10147003:
[Sync] Move 'syncapi_core' and 'sync_unit_tests' targets to sync/ (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src