Profile refactoring: Remove all PasswordStore code from the Profile interface.

chrome/browser/password_manager/password_store_factory.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/password_manager/password_store_factory.h"
+
+#include "base/command_line.h"
+#include "base/environment.h"
+#include "chrome/browser/password_manager/login_database.h"
+#include "chrome/browser/password_manager/password_store_default.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+
+#if defined(OS_WIN)
+#include "chrome/browser/password_manager/password_store_win.h"
+#elif defined(OS_MACOSX)
+#include "chrome/browser/keychain_mac.h"
+#include "chrome/browser/mock_keychain_mac.h"
+#include "chrome/browser/password_manager/password_store_mac.h"
+#elif defined(OS_CHROMEOS)
+// Don't do anything. We're going to use the default store.
+#elif defined(OS_POSIX)
+#include "base/nix/xdg_util.h"
+#if defined(USE_GNOME_KEYRING)
+#include "chrome/browser/password_manager/native_backend_gnome_x.h"
+#endif
+#include "chrome/browser/password_manager/native_backend_kwallet_x.h"
+#include "chrome/browser/password_manager/password_store_x.h"
+#endif
+
+#if !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
+namespace {
+
+const LocalProfileId kInvalidLocalProfileId =
+    static_cast<LocalProfileId>(0);
+
+}  // namespace
+#endif
+
+PasswordStore* PasswordStoreFactory::GetForProfile(
+    Profile* profile,
+    Profile::ServiceAccessType sat) {
+  if (sat == Profile::IMPLICIT_ACCESS && profile->IsOffTheRecord()) {
+    NOTREACHED() << "This profile is OffTheRecord";
+    return NULL;
+  }
+
+  return static_cast<PasswordStore*>(GetInstance()->GetBaseForProfile(
+      profile, true));
+}
+
+// static
+PasswordStoreFactory* PasswordStoreFactory::GetInstance() {
+  return Singleton<PasswordStoreFactory>::get();
+}
+
+PasswordStoreFactory::PasswordStoreFactory()
+    : RefcountedProfileKeyedServiceFactory(
+        "PasswordStore",
+        ProfileDependencyManager::GetInstance()) {
+  // TODO(erg): We must always depend on WebDB; we don't want the dependency
+  // graph to be different based on platform.
+  //
+  // DependsOn(WebDataServiceFactory::GetInstance());
+}
+
+PasswordStoreFactory::~PasswordStoreFactory() {}
+
+#if !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
+LocalProfileId PasswordStoreFactory::GetLocalProfileId(
+    PrefService* prefs) const {
+  LocalProfileId id = prefs->GetInteger(prefs::kLocalProfileId);
+  if (id == kInvalidLocalProfileId) {
+    // Note that there are many more users than this. Thus, by design, this is
+    // not a unique id. However, it is large enough that it is very unlikely
+    // that it would be repeated twice on a single machine. It is still possible
+    // for that to occur though, so the potential results of it actually
+    // happening should be considered when using this value.
+    static const LocalProfileId kLocalProfileIdMask =
+        static_cast<LocalProfileId>((1 << 24) - 1);
+    do {
+      id = rand() & kLocalProfileIdMask;
+      // TODO(mdm): scan other profiles to make sure they are not using this id?
+    } while (id == kInvalidLocalProfileId);
+    prefs->SetInteger(prefs::kLocalProfileId, id);
+  }
+  return id;
+}
+#endif  // !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
+
+RefcountedProfileKeyedService* PasswordStoreFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  scoped_refptr<PasswordStore> ps;
+  FilePath login_db_file_path = profile->GetPath();
+  login_db_file_path = login_db_file_path.Append(chrome::kLoginDataFileName);
+  LoginDatabase* login_db = new LoginDatabase();
+  if (!login_db->Init(login_db_file_path)) {
+    LOG(ERROR) << "Could not initialize login database.";
+    delete login_db;
+    return NULL;
+  }
+#if defined(OS_WIN)
+  ps = new PasswordStoreWin(
+      login_db, profile,
+      profile->GetWebDataService(Profile::IMPLICIT_ACCESS));
+#elif defined(OS_MACOSX)
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseMockKeychain)) {
+    ps = new PasswordStoreMac(new MockKeychain(), login_db);
+  } else {
+    ps = new PasswordStoreMac(new MacKeychain(), login_db);
+  }
+#elif defined(OS_CHROMEOS)
+  // For now, we use PasswordStoreDefault. We might want to make a native
+  // backend for PasswordStoreX (see below) in the future though.
+  ps = new PasswordStoreDefault(
+      login_db, profile,
+      profile->GetWebDataService(Profile::IMPLICIT_ACCESS));
+#elif defined(OS_POSIX)
+  // On POSIX systems, we try to use the "native" password management system of
+  // the desktop environment currently running, allowing GNOME Keyring in XFCE.
+  // (In all cases we fall back on the basic store in case of failure.)
+  base::nix::DesktopEnvironment desktop_env;
+  std::string store_type =
+      CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+          switches::kPasswordStore);
+  if (store_type == "kwallet") {
+    desktop_env = base::nix::DESKTOP_ENVIRONMENT_KDE4;
+  } else if (store_type == "gnome") {
+    desktop_env = base::nix::DESKTOP_ENVIRONMENT_GNOME;
+  } else if (store_type == "basic") {
+    desktop_env = base::nix::DESKTOP_ENVIRONMENT_OTHER;
+  } else {
+    // Detect the store to use automatically.
+    scoped_ptr<base::Environment> env(base::Environment::Create());
+    desktop_env = base::nix::GetDesktopEnvironment(env.get());
+    const char* name = base::nix::GetDesktopEnvironmentName(desktop_env);
+    VLOG(1) << "Password storage detected desktop environment: "
+            << (name ? name : "(unknown)");
+  }
+
+  PrefService* prefs = profile->GetPrefs();
+  LocalProfileId id = GetLocalProfileId(prefs);
+
+  scoped_ptr<PasswordStoreX::NativeBackend> backend;
+  if (desktop_env == base::nix::DESKTOP_ENVIRONMENT_KDE4) {
+    // KDE3 didn't use DBus, which our KWallet store uses.
+    VLOG(1) << "Trying KWallet for password storage.";
+    backend.reset(new NativeBackendKWallet(id, prefs));
+    if (backend->Init())
+      VLOG(1) << "Using KWallet for password storage.";
+    else
+      backend.reset();
+  } else if (desktop_env == base::nix::DESKTOP_ENVIRONMENT_GNOME ||
+             desktop_env == base::nix::DESKTOP_ENVIRONMENT_XFCE) {
+#if defined(USE_GNOME_KEYRING)
+    VLOG(1) << "Trying GNOME keyring for password storage.";
+    backend.reset(new NativeBackendGnome(id, prefs));
+    if (backend->Init())
+      VLOG(1) << "Using GNOME keyring for password storage.";
+    else
+      backend.reset();
+#endif  // defined(USE_GNOME_KEYRING)
+  }
+
+  if (!backend.get()) {
+    LOG(WARNING) << "Using basic (unencrypted) store for password storage. "
+        "See http://code.google.com/p/chromium/wiki/LinuxPasswordStorage for "
+        "more information about password storage options.";
+  }
+
+  ps = new PasswordStoreX(login_db, profile,
+                          profile->GetWebDataService(Profile::IMPLICIT_ACCESS),
+                          backend.release());
+#else
+  NOTIMPLEMENTED();
+#endif
+  if (!ps)
+    delete login_db;
+
+  if (!ps || !ps->Init()) {
+    NOTREACHED() << "Could not initialize password manager.";
+    return NULL;
+  }
+
+  return ps.release();
+}
+
+void PasswordStoreFactory::RegisterUserPrefs(PrefService* prefs) {
+#if !defined(OS_MACOSX) && !defined(OS_CHROMEOS) && defined(OS_POSIX)
+  prefs->RegisterIntegerPref(prefs::kLocalProfileId,
+                             kInvalidLocalProfileId,
+                             PrefService::UNSYNCABLE_PREF);
+
+  // Notice that the preprocessor conditions above are exactly those that will
+  // result in using PasswordStoreX in CreatePasswordStore() below.
+  PasswordStoreX::RegisterUserPrefs(prefs);
+#endif
+}
+
+bool PasswordStoreFactory::ServiceRedirectedInIncognito() {
+  return true;
+}
+
+bool PasswordStoreFactory::ServiceIsNULLWhileTesting() {
+  return true;
+}