Initial commit of sync engine code to browser/sync....

chrome/browser/sync/util/user_settings-win32.cc

+// Copyright (c) 2009 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 entry.
+
+#include "chrome/browser/sync/util/user_settings.h"
+
+#include <string>
+
+#include "chrome/browser/sync/util/crypto_helpers.h"
+#include "chrome/browser/sync/util/data_encryption.h"
+#include "chrome/browser/sync/util/query_helpers.h"
+
+using std::string;
+
+namespace browser_sync {
+
+bool UserSettings::GetLastUser(string* username) {
+  ScopedDBHandle dbhandle(this);
+  ScopedStatement query(PrepareQuery(dbhandle.get(),
+    "SELECT email FROM cookies"));
+  if (SQLITE_ROW == sqlite3_step(query.get())) {
+    GetColumn(query.get(), 0, username);
+    return true;
+  } else {
+    return false;
+  }
+}
+
+void UserSettings::ClearAllServiceTokens() {
+  ScopedDBHandle dbhandle(this);
+  ExecOrDie(dbhandle.get(), "DELETE FROM cookies");
+}
+
+void UserSettings::SetAuthTokenForService(const string& email,
+    const string& service_name, const string& long_lived_service_token) {
+  ScopedDBHandle dbhandle(this);
+  ExecOrDie(dbhandle.get(), "INSERT INTO cookies "
+            "(email, service_name, service_token) "
+            "values (?, ?, ?)", email, service_name,
+            EncryptData(long_lived_service_token));
+}
+
+// Returns the username whose credentials have been persisted as well as
+// a service token for the named service.
+bool UserSettings::GetLastUserAndServiceToken(const string& service_name,
+                                              string* username,
+                                              string* service_token) {
+  ScopedDBHandle dbhandle(this);
+  ScopedStatement query(PrepareQuery(
+      dbhandle.get(),
+      "SELECT email, service_token FROM cookies WHERE service_name = ?",
+      service_name));
+
+  if (SQLITE_ROW == sqlite3_step(query.get())) {
+    GetColumn(query.get(), 0, username);
+
+    std::vector<uint8> encrypted_service_token;
+    GetColumn(query.get(), 1, &encrypted_service_token);
+    DecryptData(encrypted_service_token, service_token);
+    return true;
+  }
+
+  return false;
+}
+
+}  // namespace browser_sync
+