[Sync] Move //sync to //components/sync.

components/sync/syncable/nigori_util.cc

 // Copyright 2012 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 "sync/syncable/nigori_util.h"
+#include "components/sync/syncable/nigori_util.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "base/json/json_writer.h"
-#include "sync/syncable/directory.h"
-#include "sync/syncable/entry.h"
-#include "sync/syncable/mutable_entry.h"
-#include "sync/syncable/nigori_handler.h"
-#include "sync/syncable/syncable_util.h"
-#include "sync/syncable/syncable_write_transaction.h"
-#include "sync/util/cryptographer.h"
+#include "components/sync/base/cryptographer.h"
+#include "components/sync/syncable/directory.h"
+#include "components/sync/syncable/entry.h"
+#include "components/sync/syncable/mutable_entry.h"
+#include "components/sync/syncable/nigori_handler.h"
+#include "components/sync/syncable/syncable_util.h"
+#include "components/sync/syncable/syncable_write_transaction.h"
 
 namespace syncer {
 namespace syncable {
 
-bool ProcessUnsyncedChangesForEncryption(
-    WriteTransaction* const trans) {
+bool ProcessUnsyncedChangesForEncryption(WriteTransaction* const trans) {
   NigoriHandler* nigori_handler = trans->directory()->GetNigoriHandler();
   ModelTypeSet encrypted_types = nigori_handler->GetEncryptedTypes(trans);
   Cryptographer* cryptographer = trans->directory()->GetCryptographer(trans);
   DCHECK(cryptographer->is_ready());
 
   // Get list of all datatypes with unsynced changes. It's possible that our
   // local changes need to be encrypted if encryption for that datatype was
   // just turned on (and vice versa).
   // Note: we do not attempt to re-encrypt data with a new key here as key
   // changes in this code path are likely due to consistency issues (we have
   // to be updated to a key we already have, e.g. an old key).
   std::vector<int64_t> handles;
   GetUnsyncedEntries(trans, &handles);
   for (size_t i = 0; i < handles.size(); ++i) {
     MutableEntry entry(trans, GET_BY_HANDLE, handles[i]);
     const sync_pb::EntitySpecifics& specifics = entry.GetSpecifics();
     // Ignore types that don't need encryption or entries that are already
     // encrypted.
     if (!SpecificsNeedsEncryption(encrypted_types, specifics))
       continue;
     if (!UpdateEntryWithEncryption(trans, specifics, &entry))
       return false;
   }
   return true;
 }
 
-bool VerifyUnsyncedChangesAreEncrypted(
-    BaseTransaction* const trans,
-    ModelTypeSet encrypted_types) {
+bool VerifyUnsyncedChangesAreEncrypted(BaseTransaction* const trans,
+                                       ModelTypeSet encrypted_types) {
   std::vector<int64_t> handles;
   GetUnsyncedEntries(trans, &handles);
   for (size_t i = 0; i < handles.size(); ++i) {
     Entry entry(trans, GET_BY_HANDLE, handles[i]);
     if (!entry.good()) {
       NOTREACHED();
       return false;
     }
     if (EntryNeedsEncryption(encrypted_types, entry))
       return false;
   }
   return true;
 }
 
-bool EntryNeedsEncryption(ModelTypeSet encrypted_types,
-                          const Entry& entry) {
+bool EntryNeedsEncryption(ModelTypeSet encrypted_types, const Entry& entry) {
   if (!entry.GetUniqueServerTag().empty())
     return false;  // We don't encrypt unique server nodes.
   ModelType type = entry.GetModelType();
   if (type == PASSWORDS || IsControlType(type))
     return false;
   // Checking NON_UNIQUE_NAME is not necessary for the correctness of encrypting
   // the data, nor for determining if data is encrypted. We simply ensure it has
   // been overwritten to avoid any possible leaks of sensitive data.
   return SpecificsNeedsEncryption(encrypted_types, entry.GetSpecifics()) ||
          (encrypted_types.Has(type) &&
           entry.GetNonUniqueName() != kEncryptedString);
 }
 
 bool SpecificsNeedsEncryption(ModelTypeSet encrypted_types,
                               const sync_pb::EntitySpecifics& specifics) {
   const ModelType type = GetModelTypeFromSpecifics(specifics);
   if (type == PASSWORDS || IsControlType(type))
     return false;  // These types have their own encryption schemes.
   if (!encrypted_types.Has(type))
     return false;  // This type does not require encryption
   return !specifics.has_encrypted();
 }
 
 // Mainly for testing.
-bool VerifyDataTypeEncryptionForTest(
-    BaseTransaction* const trans,
-    ModelType type,
-    bool is_encrypted) {
+bool VerifyDataTypeEncryptionForTest(BaseTransaction* const trans,
+                                     ModelType type,
+                                     bool is_encrypted) {
   Cryptographer* cryptographer = trans->directory()->GetCryptographer(trans);
   if (type == PASSWORDS || IsControlType(type)) {
     NOTREACHED();
     return true;
   }
   Entry type_root(trans, GET_TYPE_ROOT, type);
   if (!type_root.good()) {
     NOTREACHED();
     return false;
   }
@@ skipping 30 matching lines @@
         if (!cryptographer->CanDecryptUsingDefaultKey(specifics.encrypted()))
           return false;
       }
     }
     // Push the successor.
     to_visit.push(child.GetSuccessorId());
   }
   return true;
 }
 
-bool UpdateEntryWithEncryption(
-    BaseTransaction* const trans,
-    const sync_pb::EntitySpecifics& new_specifics,
-    syncable::MutableEntry* entry) {
+bool UpdateEntryWithEncryption(BaseTransaction* const trans,
+                               const sync_pb::EntitySpecifics& new_specifics,
+                               syncable::MutableEntry* entry) {
   NigoriHandler* nigori_handler = trans->directory()->GetNigoriHandler();
   Cryptographer* cryptographer = trans->directory()->GetCryptographer(trans);
   ModelType type = GetModelTypeFromSpecifics(new_specifics);
   DCHECK_GE(type, FIRST_REAL_MODEL_TYPE);
   const sync_pb::EntitySpecifics& old_specifics = entry->GetSpecifics();
   const ModelTypeSet encrypted_types =
-      nigori_handler?
-          nigori_handler->GetEncryptedTypes(trans) : ModelTypeSet();
+      nigori_handler ? nigori_handler->GetEncryptedTypes(trans)
+                     : ModelTypeSet();
   // It's possible the nigori lost the set of encrypted types. If the current
   // specifics are already encrypted, we want to ensure we continue encrypting.
   bool was_encrypted = old_specifics.has_encrypted();
   sync_pb::EntitySpecifics generated_specifics;
   if (new_specifics.has_encrypted()) {
     NOTREACHED() << "New specifics already has an encrypted blob.";
     return false;
   }
   if ((!SpecificsNeedsEncryption(encrypted_types, new_specifics) &&
        !was_encrypted) ||
       !cryptographer || !cryptographer->is_initialized()) {
     // No encryption required or we are unable to encrypt.
     generated_specifics.CopyFrom(new_specifics);
   } else {
     // Encrypt new_specifics into generated_specifics.
     if (VLOG_IS_ON(2)) {
       std::unique_ptr<base::DictionaryValue> value(entry->ToValue(NULL));
       std::string info;
       base::JSONWriter::WriteWithOptions(
           *value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &info);
-      DVLOG(2) << "Encrypting specifics of type "
-               << ModelTypeToString(type)
-               << " with content: "
-               << info;
+      DVLOG(2) << "Encrypting specifics of type " << ModelTypeToString(type)
+               << " with content: " << info;
     }
     // Only copy over the old specifics if it is of the right type and already
     // encrypted. The first time we encrypt a node we start from scratch, hence
     // removing all the unencrypted data, but from then on we only want to
     // update the node if the data changes or the encryption key changes.
-    if (GetModelTypeFromSpecifics(old_specifics) == type &&
-        was_encrypted) {
+    if (GetModelTypeFromSpecifics(old_specifics) == type && was_encrypted) {
       generated_specifics.CopyFrom(old_specifics);
     } else {
       AddDefaultFieldValue(type, &generated_specifics);
     }
     // Does not change anything if underlying encrypted blob was already up
     // to date and encrypted with the default key.
     if (!cryptographer->Encrypt(new_specifics,
                                 generated_specifics.mutable_encrypted())) {
       NOTREACHED() << "Could not encrypt data for node of type "
                    << ModelTypeToString(type);
       return false;
     }
   }
 
   // It's possible this entry was encrypted but didn't properly overwrite the
   // non_unique_name (see crbug.com/96314).
-  bool encrypted_without_overwriting_name = (was_encrypted &&
-      entry->GetNonUniqueName() != kEncryptedString);
+  bool encrypted_without_overwriting_name =
+      (was_encrypted && entry->GetNonUniqueName() != kEncryptedString);
 
   // If we're encrypted but the name wasn't overwritten properly we still want
   // to rewrite the entry, irrespective of whether the specifics match.
   if (!encrypted_without_overwriting_name &&
       old_specifics.SerializeAsString() ==
           generated_specifics.SerializeAsString()) {
     DVLOG(2) << "Specifics of type " << ModelTypeToString(type)
              << " already match, dropping change.";
     return true;
   }
 
   if (generated_specifics.has_encrypted()) {
     // Overwrite the possibly sensitive non-specifics data.
     entry->PutNonUniqueName(kEncryptedString);
     // For bookmarks we actually put bogus data into the unencrypted specifics,
     // else the server will try to do it for us.
     if (type == BOOKMARKS) {
       sync_pb::BookmarkSpecifics* bookmark_specifics =
           generated_specifics.mutable_bookmark();
       if (!entry->GetIsDir())
         bookmark_specifics->set_url(kEncryptedString);
       bookmark_specifics->set_title(kEncryptedString);
     }
   }
   entry->PutSpecifics(generated_specifics);
-  DVLOG(1) << "Overwriting specifics of type "
-           << ModelTypeToString(type)
+  DVLOG(1) << "Overwriting specifics of type " << ModelTypeToString(type)
            << " and marking for syncing.";
   syncable::MarkForSyncing(entry);
   return true;
 }
 
 void UpdateNigoriFromEncryptedTypes(ModelTypeSet encrypted_types,
                                     bool encrypt_everything,
                                     sync_pb::NigoriSpecifics* nigori) {
   nigori->set_encrypt_everything(encrypt_everything);
   static_assert(37 == MODEL_TYPE_COUNT, "update encrypted types");
-  nigori->set_encrypt_bookmarks(
-      encrypted_types.Has(BOOKMARKS));
-  nigori->set_encrypt_preferences(
-      encrypted_types.Has(PREFERENCES));
-  nigori->set_encrypt_autofill_profile(
-      encrypted_types.Has(AUTOFILL_PROFILE));
+  nigori->set_encrypt_bookmarks(encrypted_types.Has(BOOKMARKS));
+  nigori->set_encrypt_preferences(encrypted_types.Has(PREFERENCES));
+  nigori->set_encrypt_autofill_profile(encrypted_types.Has(AUTOFILL_PROFILE));
   nigori->set_encrypt_autofill(encrypted_types.Has(AUTOFILL));
   nigori->set_encrypt_autofill_wallet_metadata(
       encrypted_types.Has(AUTOFILL_WALLET_METADATA));
   nigori->set_encrypt_themes(encrypted_types.Has(THEMES));
-  nigori->set_encrypt_typed_urls(
-      encrypted_types.Has(TYPED_URLS));
+  nigori->set_encrypt_typed_urls(encrypted_types.Has(TYPED_URLS));
   nigori->set_encrypt_extension_settings(
       encrypted_types.Has(EXTENSION_SETTINGS));
-  nigori->set_encrypt_extensions(
-      encrypted_types.Has(EXTENSIONS));
-  nigori->set_encrypt_search_engines(
-      encrypted_types.Has(SEARCH_ENGINES));
+  nigori->set_encrypt_extensions(encrypted_types.Has(EXTENSIONS));
+  nigori->set_encrypt_search_engines(encrypted_types.Has(SEARCH_ENGINES));
   nigori->set_encrypt_sessions(encrypted_types.Has(SESSIONS));
-  nigori->set_encrypt_app_settings(
-      encrypted_types.Has(APP_SETTINGS));
+  nigori->set_encrypt_app_settings(encrypted_types.Has(APP_SETTINGS));
   nigori->set_encrypt_apps(encrypted_types.Has(APPS));
-  nigori->set_encrypt_app_notifications(
-      encrypted_types.Has(APP_NOTIFICATIONS));
+  nigori->set_encrypt_app_notifications(encrypted_types.Has(APP_NOTIFICATIONS));
   nigori->set_encrypt_dictionary(encrypted_types.Has(DICTIONARY));
   nigori->set_encrypt_favicon_images(encrypted_types.Has(FAVICON_IMAGES));
   nigori->set_encrypt_favicon_tracking(encrypted_types.Has(FAVICON_TRACKING));
   nigori->set_encrypt_articles(encrypted_types.Has(ARTICLES));
   nigori->set_encrypt_app_list(encrypted_types.Has(APP_LIST));
   nigori->set_encrypt_arc_package(encrypted_types.Has(ARC_PACKAGE));
 }
 
 ModelTypeSet GetEncryptedTypesFromNigori(
     const sync_pb::NigoriSpecifics& nigori) {
@@ skipping 40 matching lines @@
     encrypted_types.Put(ARTICLES);
   if (nigori.encrypt_app_list())
     encrypted_types.Put(APP_LIST);
   if (nigori.encrypt_arc_package())
     encrypted_types.Put(ARC_PACKAGE);
   return encrypted_types;
 }
 
 }  // namespace syncable
 }  // namespace syncer