signin: move SigninManagerBase::Signout to SigninManager.

chrome/browser/signin/signin_manager_base.cc

Index: chrome/browser/signin/signin_manager_base.cc
diff --git a/chrome/browser/signin/signin_manager_base.cc b/chrome/browser/signin/signin_manager_base.cc
index 0433e447c5840c236fe3edcfbcc1ab8743c3f428..be6a0a052979d7023ac131216c0f195a9bbfd944 100644
--- a/chrome/browser/signin/signin_manager_base.cc
+++ b/chrome/browser/signin/signin_manager_base.cc
@@ -33,7 +33,6 @@
 #include "content/public/browser/browser_thread.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "google_apis/gaia/gaia_urls.h"
-#include "third_party/icu/public/i18n/unicode/regex.h"
 
 using namespace signin_internals_util;
 
@@ -55,39 +54,6 @@ bool SigninManagerBase::AreSigninCookiesAllowed(
           GURL(GaiaUrls::GetInstance()->gaia_origin_url()));
 }
 
-// static
-bool SigninManagerBase::IsAllowedUsername(const std::string& username,
-                                          const std::string& policy) {
-  if (policy.empty())
-    return true;
-
-  // Patterns like "*@foo.com" are not accepted by our regex engine (since they
-  // are not valid regular expressions - they should instead be ".*@foo.com").
-  // For convenience, detect these patterns and insert a "." character at the
-  // front.
-  string16 pattern = UTF8ToUTF16(policy);
-  if (pattern[0] == L'*')
-    pattern.insert(pattern.begin(), L'.');
-
-  // See if the username matches the policy-provided pattern.
-  UErrorCode status = U_ZERO_ERROR;
-  const icu::UnicodeString icu_pattern(pattern.data(), pattern.length());
-  icu::RegexMatcher matcher(icu_pattern, UREGEX_CASE_INSENSITIVE, status);
-  if (!U_SUCCESS(status)) {
-    LOG(ERROR) << "Invalid login regex: " << pattern << ", status: " << status;
-    // If an invalid pattern is provided, then prohibit *all* logins (better to
-    // break signin than to quietly allow users to sign in).
-    return false;
-  }
-  string16 username16 = UTF8ToUTF16(username);
-  icu::UnicodeString icu_input(username16.data(), username16.length());
-  matcher.reset(icu_input);
-  status = U_ZERO_ERROR;
-  UBool match = matcher.matches(status);
-  DCHECK(U_SUCCESS(status));
-  return !!match;  // !! == convert from UBool to bool.
-}
-
 SigninManagerBase::SigninManagerBase()
     : profile_(NULL),
       weak_pointer_factory_(this) {
@@ -106,18 +72,6 @@ void SigninManagerBase::Initialize(Profile* profile) {
   signin_global_error_.reset(new SigninGlobalError(this, profile));
   GlobalErrorServiceFactory::GetForProfile(profile_)->AddGlobalError(
       signin_global_error_.get());
-  PrefService* local_state = g_browser_process->local_state();
-  // local_state can be null during unit tests.
-  if (local_state) {
-    local_state_pref_registrar_.Init(local_state);
-    local_state_pref_registrar_.Add(
-        prefs::kGoogleServicesUsernamePattern,
-        base::Bind(&SigninManagerBase::OnGoogleServicesUsernamePatternChanged,
-                   weak_pointer_factory_.GetWeakPtr()));
-  }
-  signin_allowed_.Init(prefs::kSigninAllowed, profile_->GetPrefs(),
-      base::Bind(&SigninManagerBase::OnSigninAllowedPrefChanged,
-                 base::Unretained(this)));
 
   // If the user is clearing the token service from the command line, then
   // clear their login info also (not valid to be logged in without any
@@ -132,12 +86,6 @@ void SigninManagerBase::Initialize(Profile* profile) {
     SetAuthenticatedUsername(user);
 
   InitTokenService();
-
-  if ((!user.empty() && !IsAllowedUsername(user)) || !IsSigninAllowed()) {
-    // User is signed in, but the username is invalid - the administrator must
-    // have changed the policy since the last signin, so sign out the user.
-    SignOut();
-  }
 }
 
 void SigninManagerBase::InitTokenService() {
@@ -153,24 +101,8 @@ bool SigninManagerBase::IsInitialized() const {
   return profile_ != NULL;
 }
 
-bool SigninManagerBase::IsAllowedUsername(const std::string& username) const {
-  PrefService* local_state = g_browser_process->local_state();
-  if (!local_state)
-    return true; // In a unit test with no local state - all names are allowed.
-
-  std::string pattern = local_state->GetString(
-      prefs::kGoogleServicesUsernamePattern);
-  return IsAllowedUsername(username, pattern);
-}
-
 bool SigninManagerBase::IsSigninAllowed() const {
-  return signin_allowed_.GetValue();
-}
-
-// static
-bool SigninManagerBase::IsSigninAllowedOnIOThread(ProfileIOData* io_data) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
-  return io_data->signin_allowed()->GetValue();
+  return profile_->GetPrefs()->GetBoolean(prefs::kSigninAllowed);
 }
 
 const std::string& SigninManagerBase::GetAuthenticatedUsername() const {
@@ -197,29 +129,8 @@ void SigninManagerBase::SetAuthenticatedUsername(const std::string& username) {
   profile_->GetPrefs()->SetString(prefs::kGoogleServicesLastUsername, username);
 }
 
-void SigninManagerBase::SignOut() {
-  DCHECK(IsInitialized());
-
-  if (authenticated_username_.empty() && !AuthInProgress())
-    return;
-
-  GoogleServiceSignoutDetails details(authenticated_username_);
+void SigninManagerBase::clear_authenticated_username() {
   authenticated_username_.clear();
-  profile_->GetPrefs()->ClearPref(prefs::kGoogleServicesUsername);
-
-  // Erase (now) stale information from AboutSigninInternals.
-  NotifyDiagnosticsObservers(USERNAME, "");
-  NotifyDiagnosticsObservers(LSID, "");
-  NotifyDiagnosticsObservers(
-      signin_internals_util::SID, "");
-
-  TokenService* token_service = TokenServiceFactory::GetForProfile(profile_);
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_GOOGLE_SIGNED_OUT,
-      content::Source<Profile>(profile_),
-      content::Details<const GoogleServiceSignoutDetails>(&details));
-  token_service->ResetCredentialsInMemory();
-  token_service->EraseTokensFromDB();
 }
 
 bool SigninManagerBase::AuthInProgress() const {
@@ -235,20 +146,6 @@ void SigninManagerBase::Shutdown() {
   }
 }
 
-void SigninManagerBase::OnGoogleServicesUsernamePatternChanged() {
-  if (!authenticated_username_.empty() &&
-      !IsAllowedUsername(authenticated_username_)) {
-    // Signed in user is invalid according to the current policy so sign
-    // the user out.
-    SignOut();
-  }
-}
-
-void SigninManagerBase::OnSigninAllowedPrefChanged() {
-  if (!IsSigninAllowed())
-    SignOut();
-}
-
 void SigninManagerBase::AddSigninDiagnosticsObserver(
     SigninDiagnosticsObserver* observer) {
   signin_diagnostics_observers_.AddObserver(observer);