1 // Copyright (c) 2012 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. 4 5 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_ 6 #define CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_ 7 8 // libgnome-keyring has been deprecated in favor of libsecret. 9 // See: https://mail.gnome.org/archives/commits-list/2013-October/msg08876.html 10 // 11 // The define below turns off the deprecations, in order to avoid build 12 // failures with Gnome 3.12. When we move to libsecret, the define can be 13 // removed, together with the include below it. 14 // 15 // The porting is tracked in http://crbug.com/355223 16 #define GNOME_KEYRING_DEPRECATED 17 #define GNOME_KEYRING_DEPRECATED_FOR(x) 18 #include <gnome-keyring.h> 19 20 #include <string> 21 22 #include "base/basictypes.h" 23 #include "base/time/time.h" 24 #include "chrome/browser/password_manager/password_store_factory.h" 25 #include "chrome/browser/password_manager/password_store_x.h" 26 #include "chrome/browser/profiles/profile.h" 27 28 namespace autofill { 29 struct PasswordForm; 30 } 31 32 // Many of the gnome_keyring_* functions use variable arguments, which makes 33 // them difficult if not impossible to truly wrap in C. Therefore, we use 34 // appropriately-typed function pointers and scoping to make the fact that we 35 // might be dynamically loading the library almost invisible. As a bonus, we 36 // also get a simple way to mock the library for testing. Classes that inherit 37 // from GnomeKeyringLoader will use its versions of the gnome_keyring_* 38 // functions. Note that it has only static fields. 39 class GnomeKeyringLoader { 40 protected: 41 static bool LoadGnomeKeyring(); 42 43 // Call a given parameter with the name of each function we use from GNOME 44 // Keyring. Make sure to adjust the unit test if you change these. 45 // The list of functions is divided into those we plan to mock in the unittest, 46 // and those which we use without mocking in the test. 47 #define GNOME_KEYRING_FOR_EACH_MOCKED_FUNC(F) \ 48 F(is_available) \ 49 F(store_password) \ 50 F(delete_password) \ 51 F(find_items) \ 52 F(result_to_message) 53 #define GNOME_KEYRING_FOR_EACH_NON_MOCKED_FUNC(F) \ 54 F(attribute_list_free) \ 55 F(attribute_list_new) \ 56 F(attribute_list_append_string) \ 57 F(attribute_list_append_uint32) 58 #define GNOME_KEYRING_FOR_EACH_FUNC(F) \ 59 GNOME_KEYRING_FOR_EACH_NON_MOCKED_FUNC(F) \ 60 GNOME_KEYRING_FOR_EACH_MOCKED_FUNC(F) 61 62 // Declare the actual function pointers that we'll use in client code. 63 #define GNOME_KEYRING_DECLARE_POINTER(name) \ 64 static typeof(&::gnome_keyring_##name) gnome_keyring_##name; 65 GNOME_KEYRING_FOR_EACH_FUNC(GNOME_KEYRING_DECLARE_POINTER) 66 #undef GNOME_KEYRING_DECLARE_POINTER 67 68 // Set to true if LoadGnomeKeyring() has already succeeded. 69 static bool keyring_loaded; 70 71 private: 72 #if defined(DLOPEN_GNOME_KEYRING) 73 struct FunctionInfo { 74 const char* name; 75 void** pointer; 76 }; 77 78 // Make it easy to initialize the function pointers in LoadGnomeKeyring(). 79 static const FunctionInfo functions[]; 80 #endif // defined(DLOPEN_GNOME_KEYRING) 81 }; 82 83 // NativeBackend implementation using GNOME Keyring. 84 class NativeBackendGnome : public PasswordStoreX::NativeBackend, 85 public GnomeKeyringLoader { 86 public: 87 explicit NativeBackendGnome(LocalProfileId id); 88 89 virtual ~NativeBackendGnome(); 90 91 virtual bool Init() OVERRIDE; 92 93 // Implements NativeBackend interface. 94 virtual password_manager::PasswordStoreChangeList AddLogin( 95 const autofill::PasswordForm& form) OVERRIDE; 96 virtual bool UpdateLogin( 97 const autofill::PasswordForm& form, 98 password_manager::PasswordStoreChangeList* changes) OVERRIDE; 99 virtual bool RemoveLogin(const autofill::PasswordForm& form) OVERRIDE; 100 virtual bool RemoveLoginsCreatedBetween( 101 base::Time delete_begin, 102 base::Time delete_end, 103 password_manager::PasswordStoreChangeList* changes) OVERRIDE; 104 virtual bool RemoveLoginsSyncedBetween( 105 base::Time delete_begin, 106 base::Time delete_end, 107 password_manager::PasswordStoreChangeList* changes) OVERRIDE; 108 virtual bool GetLogins(const autofill::PasswordForm& form, 109 PasswordFormList* forms) OVERRIDE; 110 virtual bool GetAutofillableLogins(PasswordFormList* forms) OVERRIDE; 111 virtual bool GetBlacklistLogins(PasswordFormList* forms) OVERRIDE; 112 113 private: 114 enum TimestampToCompare { 115 CREATION_TIMESTAMP, 116 SYNC_TIMESTAMP, 117 }; 118 119 // Adds a login form without checking for one to replace first. 120 bool RawAddLogin(const autofill::PasswordForm& form); 121 122 // Reads PasswordForms from the keyring with the given autofillability state. 123 bool GetLoginsList(PasswordFormList* forms, bool autofillable); 124 125 // Helper for GetLoginsCreatedBetween(). 126 bool GetAllLogins(PasswordFormList* forms); 127 128 // Retrieves password created/synced in the time interval. Returns |true| if 129 // the operation succeeded. 130 bool GetLoginsBetween(base::Time get_begin, 131 base::Time get_end, 132 TimestampToCompare date_to_compare, 133 PasswordFormList* forms); 134 135 // Removes password created/synced in the time interval. Returns |true| if the 136 // operation succeeded. |changes| will contain the changes applied. 137 bool RemoveLoginsBetween(base::Time get_begin, 138 base::Time get_end, 139 TimestampToCompare date_to_compare, 140 password_manager::PasswordStoreChangeList* changes); 141 142 // Generates a profile-specific app string based on profile_id_. 143 std::string GetProfileSpecificAppString() const; 144 145 // The local profile id, used to generate the app string. 146 const LocalProfileId profile_id_; 147 148 // The app string, possibly based on the local profile id. 149 std::string app_string_; 150 151 DISALLOW_COPY_AND_ASSIGN(NativeBackendGnome); 152 }; 153 154 #endif // CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_ 155