[Sync] Move 'sync' target to sync/

chrome/browser/sync/engine/syncapi_internal.cc

-// Copyright (c) 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 "chrome/browser/sync/engine/syncapi_internal.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/sync/util/cryptographer.h"
-#include "sync/protocol/password_specifics.pb.h"
-#include "sync/protocol/sync.pb.h"
-
-using browser_sync::Cryptographer;
-
-namespace sync_api {
-
-sync_pb::PasswordSpecificsData* DecryptPasswordSpecifics(
-    const sync_pb::EntitySpecifics& specifics, Cryptographer* crypto) {
-  if (!specifics.has_password())
-    return NULL;
-  const sync_pb::PasswordSpecifics& password_specifics = specifics.password();
-  if (!password_specifics.has_encrypted())
-    return NULL;
-  const sync_pb::EncryptedData& encrypted = password_specifics.encrypted();
-  scoped_ptr<sync_pb::PasswordSpecificsData> data(
-      new sync_pb::PasswordSpecificsData);
-  if (!crypto->Decrypt(encrypted, data.get()))
-    return NULL;
-  return data.release();
-}
-
-// The list of names which are reserved for use by the server.
-static const char* kForbiddenServerNames[] = { "", ".", ".." };
-
-// When taking a name from the syncapi, append a space if it matches the
-// pattern of a server-illegal name followed by zero or more spaces.
-void SyncAPINameToServerName(const std::string& sync_api_name,
-                             std::string* out) {
-  *out = sync_api_name;
-  if (IsNameServerIllegalAfterTrimming(*out))
-    out->append(" ");
-}
-
-// Checks whether |name| is a server-illegal name followed by zero or more space
-// characters.  The three server-illegal names are the empty string, dot, and
-// dot-dot.  Very long names (>255 bytes in UTF-8 Normalization Form C) are
-// also illegal, but are not considered here.
-bool IsNameServerIllegalAfterTrimming(const std::string& name) {
-  size_t untrimmed_count = name.find_last_not_of(' ') + 1;
-  for (size_t i = 0; i < arraysize(kForbiddenServerNames); ++i) {
-    if (name.compare(0, untrimmed_count, kForbiddenServerNames[i]) == 0)
-      return true;
-  }
-  return false;
-}
-
-// Compare the values of two EntitySpecifics, accounting for encryption.
-bool AreSpecificsEqual(const browser_sync::Cryptographer* cryptographer,
-                       const sync_pb::EntitySpecifics& left,
-                       const sync_pb::EntitySpecifics& right) {
-  // Note that we can't compare encrypted strings directly as they are seeded
-  // with a random value.
-  std::string left_plaintext, right_plaintext;
-  if (left.has_encrypted()) {
-    if (!cryptographer->CanDecrypt(left.encrypted())) {
-      NOTREACHED() << "Attempting to compare undecryptable data.";
-      return false;
-    }
-    left_plaintext = cryptographer->DecryptToString(left.encrypted());
-  } else {
-    left_plaintext = left.SerializeAsString();
-  }
-  if (right.has_encrypted()) {
-    if (!cryptographer->CanDecrypt(right.encrypted())) {
-      NOTREACHED() << "Attempting to compare undecryptable data.";
-      return false;
-    }
-    right_plaintext = cryptographer->DecryptToString(right.encrypted());
-  } else {
-    right_plaintext = right.SerializeAsString();
-  }
-  if (left_plaintext == right_plaintext) {
-    return true;
-  }
-  return false;
-}
-
-} // namespace sync_api