1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // The signin manager encapsulates some functionality tracking
6 // which user is signed in. See SigninManagerBase for full description of
7 // responsibilities. The class defined in this file provides functionality
8 // required by all platforms except Chrome OS.
10 // When a user is signed in, a ClientLogin request is run on their behalf.
11 // Auth tokens are fetched from Google and the results are stored in the
13 // TODO(tim): Bug 92948, 226464. ClientLogin is all but gone from use.
15 #ifndef COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_H_
16 #define COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_H_
18 #if defined(OS_CHROMEOS)
19 // On Chrome OS, SigninManagerBase is all that exists.
20 #include "components/signin/core/browser/signin_manager_base.h"
27 #include "base/compiler_specific.h"
28 #include "base/gtest_prod_util.h"
29 #include "base/logging.h"
30 #include "base/memory/scoped_ptr.h"
31 #include "base/observer_list.h"
32 #include "base/prefs/pref_change_registrar.h"
33 #include "base/prefs/pref_member.h"
34 #include "components/keyed_service/core/keyed_service.h"
35 #include "components/signin/core/browser/signin_internals_util.h"
36 #include "components/signin/core/browser/signin_manager_base.h"
37 #include "components/signin/core/browser/signin_metrics.h"
38 #include "google_apis/gaia/google_service_auth_error.h"
39 #include "google_apis/gaia/merge_session_helper.h"
40 #include "net/cookies/canonical_cookie.h"
43 class ProfileOAuth2TokenService;
44 class SigninAccountIdHelper;
47 class SigninManager : public SigninManagerBase {
49 // The callback invoked once the OAuth token has been fetched during signin,
50 // but before the profile transitions to the "signed-in" state. This allows
51 // callers to load policy and prompt the user appropriately before completing
52 // signin. The callback is passed the just-fetched OAuth login refresh token.
53 typedef base::Callback<void(const std::string&)> OAuthTokenFetchedCallback;
55 // Returns true if |url| is a web signin URL and should be hosted in an
56 // isolated, privileged signin process.
57 static bool IsWebBasedSigninFlowURL(const GURL& url);
59 // This is used to distinguish URLs belonging to the special web signin flow
60 // running in the special signin process from other URLs on the same domain.
61 // We do not grant WebUI privilieges / bindings to this process or to URLs of
62 // this scheme; enforcement of privileges is handled separately by
63 // OneClickSigninHelper.
64 static const char kChromeSigninEffectiveSite[];
66 SigninManager(SigninClient* client, ProfileOAuth2TokenService* token_service);
67 virtual ~SigninManager();
69 // Returns true if the username is allowed based on the policy string.
70 static bool IsUsernameAllowedByPolicy(const std::string& username,
71 const std::string& policy);
73 // Attempt to sign in this user with a refresh token.
74 // If non-null, the passed |oauth_fetched_callback| callback is invoked once
75 // signin has been completed.
76 // The callback should invoke SignOut() or CompletePendingSignin() to either
77 // continue or cancel the in-process signin.
78 virtual void StartSignInWithRefreshToken(
79 const std::string& refresh_token,
80 const std::string& username,
81 const std::string& password,
82 const OAuthTokenFetchedCallback& oauth_fetched_callback);
84 // Copies auth credentials from one SigninManager to this one. This is used
85 // when creating a new profile during the signin process to transfer the
86 // in-progress credentials to the new profile.
87 virtual void CopyCredentialsFrom(const SigninManager& source);
89 // Sign a user out, removing the preference, erasing all keys
90 // associated with the user, and canceling all auth in progress.
91 virtual void SignOut(signin_metrics::ProfileSignout signout_source_metric);
93 // On platforms where SigninManager is responsible for dealing with
94 // invalid username policy updates, we need to check this during
95 // initialization and sign the user out.
96 virtual void Initialize(PrefService* local_state) OVERRIDE;
97 virtual void Shutdown() OVERRIDE;
99 // Invoked from an OAuthTokenFetchedCallback to complete user signin.
100 virtual void CompletePendingSignin();
102 // Invoked from SigninManagerAndroid to indicate that the sign-in process
103 // has completed for |username|.
104 void OnExternalSigninCompleted(const std::string& username);
106 // Returns true if there's a signin in progress.
107 virtual bool AuthInProgress() const OVERRIDE;
109 virtual bool IsSigninAllowed() const OVERRIDE;
111 // Returns true if the passed username is allowed by policy. Virtual for
113 virtual bool IsAllowedUsername(const std::string& username) const;
115 // If an authentication is in progress, return the username being
116 // authenticated. Returns an empty string if no auth is in progress.
117 const std::string& GetUsernameForAuthInProgress() const;
119 // Set the preference to turn off one-click sign-in so that it won't ever
120 // show it again for the user associated with |prefs| (even if the user tries
122 static void DisableOneClickSignIn(PrefService* prefs);
124 // Tells the SigninManager whether to prohibit signout for this profile.
125 // If |prohibit_signout| is true, then signout will be prohibited.
126 void ProhibitSignout(bool prohibit_signout);
128 // If true, signout is prohibited for this profile (calls to SignOut() are
130 bool IsSignoutProhibited() const;
132 // Add or remove observers for the merge session notification.
133 virtual void AddMergeSessionObserver(
134 MergeSessionHelper::Observer* observer);
135 virtual void RemoveMergeSessionObserver(
136 MergeSessionHelper::Observer* observer);
139 // Flag saying whether signing out is allowed.
140 bool prohibit_signout_;
143 enum SigninType { SIGNIN_TYPE_NONE, SIGNIN_TYPE_WITH_REFRESH_TOKEN };
145 std::string SigninTypeToString(SigninType type);
146 friend class FakeSigninManager;
147 FRIEND_TEST_ALL_PREFIXES(SigninManagerTest, ClearTransientSigninData);
148 FRIEND_TEST_ALL_PREFIXES(SigninManagerTest, ProvideSecondFactorSuccess);
149 FRIEND_TEST_ALL_PREFIXES(SigninManagerTest, ProvideSecondFactorFailure);
151 // If user was signed in, load tokens from DB if available.
152 void InitTokenService();
154 // Called to setup the transient signin data during one of the
155 // StartSigninXXX methods. |type| indicates which of the methods is being
156 // used to perform the signin while |username| and |password| identify the
157 // account to be signed in. Returns false and generates an auth error if the
158 // passed |username| is not allowed by policy.
159 bool PrepareForSignin(SigninType type,
160 const std::string& username,
161 const std::string& password);
163 // Persists |username| as the currently signed-in account, and triggers
164 // a sign-in success notification.
165 void OnSignedIn(const std::string& username);
167 // Called when a new request to re-authenticate a user is in progress.
168 // Will clear in memory data but leaves the db as such so when the browser
169 // restarts we can use the old token(which might throw a password error).
170 void ClearTransientSigninData();
172 // Called to handle an error from a GAIA auth fetch. Sets the last error
173 // to |error|, sends out a notification of login failure and clears the
174 // transient signin data.
175 void HandleAuthError(const GoogleServiceAuthError& error);
177 void OnSigninAllowedPrefChanged();
178 void OnGoogleServicesUsernamePatternChanged();
180 // ClientLogin identity.
181 std::string possibly_invalid_username_;
182 std::string password_; // This is kept empty whenever possible.
184 // Fetcher for the obfuscated user id.
185 scoped_ptr<SigninAccountIdHelper> account_id_helper_;
187 // The type of sign being performed. This value is valid only between a call
188 // to one of the StartSigninXXX methods and when the sign in is either
189 // successful or not.
192 // Temporarily saves the oauth2 refresh token. It will be passed to the
193 // token service so that it does not need to mint new ones.
194 std::string temp_refresh_token_;
196 base::WeakPtrFactory<SigninManager> weak_pointer_factory_;
198 // The SigninClient object associated with this object. Must outlive this
200 SigninClient* client_;
202 // The ProfileOAuth2TokenService instance associated with this object. Must
203 // outlive this object.
204 ProfileOAuth2TokenService* token_service_;
206 // Helper object to listen for changes to signin preferences stored in non-
207 // profile-specific local prefs (like kGoogleServicesUsernamePattern).
208 PrefChangeRegistrar local_state_pref_registrar_;
210 // Helper object to listen for changes to the signin allowed preference.
211 BooleanPrefMember signin_allowed_;
213 // Helper to merge signed in account into the content area.
214 scoped_ptr<MergeSessionHelper> merge_session_helper_;
216 DISALLOW_COPY_AND_ASSIGN(SigninManager);
219 #endif // !defined(OS_CHROMEOS)
221 #endif // COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_H_