Automattic /
jetpack
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like Jetpack_SSO often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Jetpack_SSO, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 17 | class Jetpack_SSO { |
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| 18 | static $instance = null; |
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| 19 | |||
| 20 | private function __construct() { |
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| 21 | |||
| 22 | self::$instance = $this; |
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| 23 | |||
| 24 | add_action( 'admin_init', array( $this, 'maybe_authorize_user_after_sso' ), 1 ); |
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| 25 | add_action( 'admin_init', array( $this, 'admin_init' ) ); |
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| 26 | add_action( 'admin_init', array( $this, 'register_settings' ) ); |
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| 27 | add_action( 'login_init', array( $this, 'login_init' ) ); |
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| 28 | add_action( 'delete_user', array( $this, 'delete_connection_for_user' ) ); |
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| 29 | add_filter( 'jetpack_xmlrpc_methods', array( $this, 'xmlrpc_methods' ) ); |
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| 30 | add_action( 'init', array( $this, 'maybe_logout_user' ), 5 ); |
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| 31 | add_action( 'jetpack_modules_loaded', array( $this, 'module_configure_button' ) ); |
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| 32 | add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) ); |
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| 33 | add_action( 'login_form_logout', array( $this, 'store_wpcom_profile_cookies_on_logout' ) ); |
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| 34 | add_action( 'wp_login', array( 'Jetpack_SSO', 'clear_wpcom_profile_cookies' ) ); |
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| 35 | |||
| 36 | |||
| 37 | // Adding this action so that on login_init, the action won't be sanitized out of the $action global. |
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| 38 | add_action( 'login_form_jetpack-sso', '__return_true' ); |
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| 39 | |||
| 40 | if ( |
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| 41 | $this->should_hide_login_form() && |
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| 42 | /** |
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| 43 | * Filter the display of the disclaimer message appearing when default WordPress login form is disabled. |
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| 44 | * |
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| 45 | * @module sso |
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| 46 | * |
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| 47 | * @since 2.8.0 |
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| 48 | * |
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| 49 | * @param bool true Should the disclaimer be displayed. Default to true. |
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| 50 | */ |
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| 51 | apply_filters( 'jetpack_sso_display_disclaimer', true ) |
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| 52 | ) { |
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| 53 | add_action( 'login_message', array( $this, 'msg_login_by_jetpack' ) ); |
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| 54 | } |
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| 55 | } |
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| 56 | |||
| 57 | /** |
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| 58 | * Returns the single instance of the Jetpack_SSO object |
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| 59 | * |
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| 60 | * @since 2.8 |
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| 61 | * @return Jetpack_SSO |
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| 62 | **/ |
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| 63 | public static function get_instance() { |
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| 64 | if ( ! is_null( self::$instance ) ) { |
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| 65 | return self::$instance; |
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| 66 | } |
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| 67 | |||
| 68 | return self::$instance = new Jetpack_SSO; |
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| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * Add configure button and functionality to the module card on the Jetpack screen |
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| 73 | **/ |
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| 74 | public static function module_configure_button() { |
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| 75 | Jetpack::enable_module_configurable( __FILE__ ); |
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| 76 | Jetpack::module_configuration_load( __FILE__, array( __CLASS__, 'module_configuration_load' ) ); |
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| 77 | Jetpack::module_configuration_head( __FILE__, array( __CLASS__, 'module_configuration_head' ) ); |
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| 78 | Jetpack::module_configuration_screen( __FILE__, array( __CLASS__, 'module_configuration_screen' ) ); |
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| 79 | } |
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| 80 | |||
| 81 | public static function module_configuration_load() { |
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| 82 | // wp_safe_redirect( admin_url( 'options-general.php#configure-sso' ) ); |
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| 83 | // exit; |
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| 84 | } |
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| 85 | |||
| 86 | public static function module_configuration_head() {} |
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| 87 | |||
| 88 | public static function module_configuration_screen() { |
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| 89 | ?> |
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| 90 | <form method="post" action="options.php"> |
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| 91 | <?php settings_fields( 'jetpack-sso' ); ?> |
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| 92 | <?php do_settings_sections( 'jetpack-sso' ); ?> |
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| 93 | <?php submit_button(); ?> |
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| 94 | </form> |
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| 95 | <?php |
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| 96 | } |
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| 97 | |||
| 98 | /** |
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| 99 | * If jetpack_force_logout == 1 in current user meta the user will be forced |
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| 100 | * to logout and reauthenticate with the site. |
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| 101 | **/ |
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| 102 | public function maybe_logout_user() { |
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| 103 | global $current_user; |
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| 104 | |||
| 105 | if ( 1 == $current_user->jetpack_force_logout ) { |
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| 106 | delete_user_meta( $current_user->ID, 'jetpack_force_logout' ); |
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| 107 | self::delete_connection_for_user( $current_user->ID ); |
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| 108 | wp_logout(); |
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| 109 | wp_safe_redirect( wp_login_url() ); |
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| 110 | exit; |
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| 111 | } |
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| 112 | } |
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| 113 | |||
| 114 | |||
| 115 | /** |
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| 116 | * Adds additional methods the WordPress xmlrpc API for handling SSO specific features |
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| 117 | * |
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| 118 | * @param array $methods |
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| 119 | * @return array |
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| 120 | **/ |
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| 121 | public function xmlrpc_methods( $methods ) { |
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| 122 | $methods['jetpack.userDisconnect'] = array( $this, 'xmlrpc_user_disconnect' ); |
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| 123 | return $methods; |
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| 124 | } |
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| 125 | |||
| 126 | /** |
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| 127 | * Marks a user's profile for disconnect from WordPress.com and forces a logout |
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| 128 | * the next time the user visits the site. |
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| 129 | **/ |
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| 130 | public function xmlrpc_user_disconnect( $user_id ) { |
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| 131 | $user_query = new WP_User_Query( |
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| 132 | array( |
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| 133 | 'meta_key' => 'wpcom_user_id', |
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| 134 | 'meta_value' => $user_id, |
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| 135 | ) |
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| 136 | ); |
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| 137 | $user = $user_query->get_results(); |
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| 138 | $user = $user[0]; |
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| 139 | |||
| 140 | if ( $user instanceof WP_User ) { |
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| 141 | $user = wp_set_current_user( $user->ID ); |
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| 142 | update_user_meta( $user->ID, 'jetpack_force_logout', '1' ); |
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| 143 | self::delete_connection_for_user( $user->ID ); |
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| 144 | return true; |
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| 145 | } |
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| 146 | return false; |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * Enqueues scripts and styles necessary for SSO login. |
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| 151 | */ |
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| 152 | public function login_enqueue_scripts() { |
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| 153 | global $action; |
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| 154 | |||
| 155 | if ( ! in_array( $action, array( 'jetpack-sso', 'login' ) ) ) { |
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| 156 | return; |
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| 157 | } |
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| 158 | |||
| 159 | wp_enqueue_style( 'jetpack-sso-login', plugins_url( 'modules/sso/jetpack-sso-login.css', JETPACK__PLUGIN_FILE ), array( 'login', 'genericons' ), JETPACK__VERSION ); |
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| 160 | wp_enqueue_script( 'jetpack-sso-login', plugins_url( 'modules/sso/jetpack-sso-login.js', JETPACK__PLUGIN_FILE ), array( 'jquery' ), JETPACK__VERSION ); |
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| 161 | } |
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| 162 | |||
| 163 | /** |
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| 164 | * Enqueue styles neceessary for Jetpack SSO on users' profiles |
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| 165 | */ |
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| 166 | public function admin_enqueue_scripts() { |
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| 167 | $screen = get_current_screen(); |
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| 168 | |||
| 169 | if ( empty( $screen ) || ! in_array( $screen->base, array( 'edit-user', 'profile' ) ) ) { |
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| 170 | return; |
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| 171 | } |
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| 172 | |||
| 173 | wp_enqueue_style( 'jetpack-sso-profile', plugins_url( 'modules/sso/jetpack-sso-profile.css', JETPACK__PLUGIN_FILE ), array( 'genericons' ), JETPACK__VERSION ); |
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| 174 | } |
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| 175 | |||
| 176 | /** |
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| 177 | * Adds Jetpack SSO classes to login body |
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| 178 | * |
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| 179 | * @param array $classes Array of classes to add to body tag |
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| 180 | * @return array Array of classes to add to body tag |
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| 181 | */ |
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| 182 | public function login_body_class( $classes ) { |
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| 183 | global $action; |
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| 184 | |||
| 185 | if ( ! in_array( $action, array( 'jetpack-sso', 'login' ) ) ) { |
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| 186 | return $classes; |
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| 187 | } |
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| 188 | |||
| 189 | // If jetpack-sso-default-form, show the default login form. |
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| 190 | if ( isset( $_GET['jetpack-sso-default-form'] ) && 1 == $_GET['jetpack-sso-default-form'] ) { |
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| 191 | return $classes; |
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| 192 | } |
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| 193 | |||
| 194 | $classes[] = 'jetpack-sso-body'; |
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| 195 | return $classes; |
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| 196 | } |
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| 197 | |||
| 198 | /** |
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| 199 | * Adds settings fields to Settings > General > Single Sign On that allows users to |
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| 200 | * turn off the login form on wp-login.php |
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| 201 | * |
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| 202 | * @since 2.7 |
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| 203 | **/ |
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| 204 | public function register_settings() { |
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| 205 | |||
| 206 | add_settings_section( |
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| 207 | 'jetpack_sso_settings', |
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| 208 | __( 'Single Sign On' , 'jetpack' ), |
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| 209 | '__return_false', |
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| 210 | 'jetpack-sso' |
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| 211 | ); |
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| 212 | |||
| 213 | /* |
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| 214 | * Settings > General > Single Sign On |
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| 215 | * Checkbox for Remove default login form |
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| 216 | */ |
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| 217 | /* Hide in 2.9 |
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| 218 | register_setting( |
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| 219 | 'general', |
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| 220 | 'jetpack_sso_remove_login_form', |
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| 221 | array( $this, 'validate_settings_remove_login_form_checkbox' ) |
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| 222 | ); |
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| 223 | |||
| 224 | add_settings_field( |
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| 225 | 'jetpack_sso_remove_login_form', |
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| 226 | __( 'Remove default login form?' , 'jetpack' ), |
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| 227 | array( $this, 'render_remove_login_form_checkbox' ), |
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| 228 | 'general', |
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| 229 | 'jetpack_sso_settings' |
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| 230 | ); |
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| 231 | */ |
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| 232 | |||
| 233 | /* |
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| 234 | * Settings > General > Single Sign On |
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| 235 | * Require two step authentication |
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| 236 | */ |
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| 237 | register_setting( |
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| 238 | 'jetpack-sso', |
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| 239 | 'jetpack_sso_require_two_step', |
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| 240 | array( $this, 'validate_jetpack_sso_require_two_step' ) |
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| 241 | ); |
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| 242 | |||
| 243 | add_settings_field( |
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| 244 | 'jetpack_sso_require_two_step', |
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| 245 | '', // __( 'Require Two-Step Authentication' , 'jetpack' ), |
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| 246 | array( $this, 'render_require_two_step' ), |
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| 247 | 'jetpack-sso', |
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| 248 | 'jetpack_sso_settings' |
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| 249 | ); |
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| 250 | |||
| 251 | /* |
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| 252 | * Settings > General > Single Sign On |
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| 253 | */ |
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| 254 | register_setting( |
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| 255 | 'jetpack-sso', |
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| 256 | 'jetpack_sso_match_by_email', |
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| 257 | array( $this, 'validate_jetpack_sso_match_by_email' ) |
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| 258 | ); |
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| 259 | |||
| 260 | add_settings_field( |
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| 261 | 'jetpack_sso_match_by_email', |
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| 262 | '', // __( 'Match by Email' , 'jetpack' ), |
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| 263 | array( $this, 'render_match_by_email' ), |
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| 264 | 'jetpack-sso', |
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| 265 | 'jetpack_sso_settings' |
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| 266 | ); |
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| 267 | } |
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| 268 | |||
| 269 | /** |
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| 270 | * Builds the display for the checkbox allowing user to require two step |
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| 271 | * auth be enabled on WordPress.com accounts before login. Displays in Settings > General |
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| 272 | * |
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| 273 | * @since 2.7 |
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| 274 | **/ |
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| 275 | public function render_require_two_step() { |
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| 276 | /** This filter is documented in modules/sso.php */ |
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| 277 | $require_two_step = ( 1 == apply_filters( 'jetpack_sso_require_two_step', get_option( 'jetpack_sso_require_two_step' ) ) ); |
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| 278 | $disabled = $require_two_step ? ' disabled="disabled"' : ''; |
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| 279 | echo '<label>'; |
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| 280 | echo '<input type="checkbox" name="jetpack_sso_require_two_step" ' . checked( $require_two_step, true, false ) . "$disabled>"; |
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| 281 | esc_html_e( 'Require Two-Step Authentication' , 'jetpack' ); |
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| 282 | echo '</label>'; |
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| 283 | } |
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| 284 | |||
| 285 | /** |
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| 286 | * Validate the require two step checkbox in Settings > General |
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| 287 | * |
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| 288 | * @since 2.7 |
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| 289 | * @return boolean |
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| 290 | **/ |
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| 291 | public function validate_jetpack_sso_require_two_step( $input ) { |
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| 292 | return ( ! empty( $input ) ) ? 1 : 0; |
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| 293 | } |
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| 294 | |||
| 295 | /** |
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| 296 | * Builds the display for the checkbox allowing the user to allow matching logins by email |
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| 297 | * Displays in Settings > General |
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| 298 | * |
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| 299 | * @since 2.9 |
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| 300 | **/ |
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| 301 | public function render_match_by_email() { |
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| 302 | $match_by_email = 1 == $this->match_by_email(); |
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| 303 | $disabled = $match_by_email ? ' disabled="disabled"' : ''; |
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| 304 | echo '<label>'; |
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| 305 | echo '<input type="checkbox" name="jetpack_sso_match_by_email"' . checked( $match_by_email, true, false ) . "$disabled>"; |
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| 306 | esc_html_e( 'Match by Email', 'jetpack' ); |
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| 307 | echo '</label>'; |
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| 308 | } |
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| 309 | |||
| 310 | /** |
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| 311 | * Validate the match by email check in Settings > General |
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| 312 | * |
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| 313 | * @since 2.9 |
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| 314 | * @return boolean |
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| 315 | **/ |
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| 316 | public function validate_jetpack_sso_match_by_email( $input ) { |
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| 317 | return ( ! empty( $input ) ) ? 1 : 0; |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * Builds the display for the checkbox allowing users to remove the default |
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| 322 | * WordPress login form from wp-login.php. Displays in Settings > General |
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| 323 | * |
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| 324 | * @since 2.7 |
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| 325 | **/ |
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| 326 | public function render_remove_login_form_checkbox() { |
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| 327 | if ( $this->is_user_connected( get_current_user_id() ) ) { |
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| 328 | echo '<a name="configure-sso"></a>'; |
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| 329 | echo '<input type="checkbox" name="jetpack_sso_remove_login_form[remove_login_form]" ' . checked( 1 == get_option( 'jetpack_sso_remove_login_form' ), true, false ) . '>'; |
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| 330 | echo '<p class="description">Removes default login form and disallows login via POST</p>'; |
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| 331 | } else { |
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| 332 | echo 'Your account must be connected to WordPress.com before disabling the login form.'; |
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| 333 | echo '<br/>' . $this->button(); |
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| 334 | } |
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| 335 | } |
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| 336 | |||
| 337 | /** |
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| 338 | * Validate settings input from Settings > General |
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| 339 | * |
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| 340 | * @since 2.7 |
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| 341 | * @return boolean |
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| 342 | **/ |
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| 343 | public function validate_settings_remove_login_form_checkbox( $input ) { |
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| 344 | return ( isset( $input['remove_login_form'] ) )? 1: 0; |
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| 345 | } |
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| 346 | |||
| 347 | /** |
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| 348 | * Checks to determine if the user wants to login on wp-login |
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| 349 | * |
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| 350 | * This function mostly exists to cover the exceptions to login |
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| 351 | * that may exist as other parameters to $_GET[action] as $_GET[action] |
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| 352 | * does not have to exist. By default WordPress assumes login if an action |
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| 353 | * is not set, however this may not be true, as in the case of logout |
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| 354 | * where $_GET[loggedout] is instead set |
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| 355 | * |
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| 356 | * @return boolean |
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| 357 | **/ |
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| 358 | private function wants_to_login() { |
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| 359 | $wants_to_login = false; |
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| 360 | |||
| 361 | // Cover default WordPress behavior |
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| 362 | $action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'login'; |
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| 363 | |||
| 364 | // And now the exceptions |
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| 365 | $action = isset( $_GET['loggedout'] ) ? 'loggedout' : $action; |
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| 366 | |||
| 367 | if ( 'login' == $action ) { |
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| 368 | $wants_to_login = true; |
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| 369 | } |
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| 370 | |||
| 371 | return $wants_to_login; |
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| 372 | } |
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| 373 | |||
| 374 | private function bypass_login_forward_wpcom() { |
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| 375 | /** |
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| 376 | * Redirect the site's log in form to WordPress.com's log in form. |
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| 377 | * |
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| 378 | * @module sso |
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| 379 | * |
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| 380 | * @since 3.1.0 |
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| 381 | * |
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| 382 | * @param bool false Should the site's log in form be automatically forwarded to WordPress.com's log in form. |
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| 383 | */ |
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| 384 | return apply_filters( 'jetpack_sso_bypass_login_forward_wpcom', false ); |
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| 385 | } |
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| 386 | |||
| 387 | function login_init() { |
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| 388 | global $action; |
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| 389 | |||
| 390 | /** |
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| 391 | * If the user is attempting to logout AND the auto-forward to WordPress.com |
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| 392 | * login is set then we need to ensure we do not auto-forward the user and get |
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| 393 | * them stuck in an infinite logout loop. |
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| 394 | */ |
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| 395 | if ( isset( $_GET['loggedout'] ) && $this->bypass_login_forward_wpcom() ) { |
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| 396 | add_filter( 'jetpack_remove_login_form', '__return_true' ); |
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| 397 | } |
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| 398 | |||
| 399 | /** |
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| 400 | * Check to see if the site admin wants to automagically forward the user |
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| 401 | * to the WordPress.com login page AND that the request to wp-login.php |
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| 402 | * is not something other than login (Like logout!) |
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| 403 | */ |
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| 404 | if ( |
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| 405 | $this->wants_to_login() |
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| 406 | && $this->bypass_login_forward_wpcom() |
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| 407 | ) { |
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| 408 | add_filter( 'allowed_redirect_hosts', array( $this, 'allowed_redirect_hosts' ) ); |
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| 409 | $this->maybe_save_cookie_redirect(); |
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| 410 | $reauth = ! empty( $_GET['reauth'] ); |
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| 411 | wp_safe_redirect( $this->get_sso_url_or_die( $reauth ) ); |
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| 412 | exit; |
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| 413 | } |
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| 414 | |||
| 415 | if ( 'login' === $action ) { |
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| 416 | $this->display_sso_login_form(); |
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| 417 | } elseif ( 'jetpack-sso' === $action ) { |
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| 418 | if ( isset( $_GET['result'], $_GET['user_id'], $_GET['sso_nonce'] ) && 'success' == $_GET['result'] ) { |
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| 419 | $this->handle_login(); |
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| 420 | $this->display_sso_login_form(); |
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| 421 | } else { |
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| 422 | if ( Jetpack::check_identity_crisis() ) { |
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| 423 | wp_die( __( "Error: This site's Jetpack connection is currently experiencing problems.", 'jetpack' ) ); |
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| 424 | } else { |
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| 425 | $this->maybe_save_cookie_redirect(); |
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| 426 | // Is it wiser to just use wp_redirect than do this runaround to wp_safe_redirect? |
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| 427 | add_filter( 'allowed_redirect_hosts', array( $this, 'allowed_redirect_hosts' ) ); |
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| 428 | $reauth = ! empty( $_GET['reauth'] ); |
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| 429 | wp_safe_redirect( $this->get_sso_url_or_die( $reauth ) ); |
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| 430 | exit; |
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| 431 | } |
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| 432 | } |
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| 433 | } |
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| 434 | } |
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| 435 | |||
| 436 | /** |
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| 437 | * Ensures that we can get a nonce from WordPress.com via XML-RPC before setting |
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| 438 | * up the hooks required to display the SSO form. |
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| 439 | */ |
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| 440 | public function display_sso_login_form() { |
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| 441 | $sso_nonce = self::request_initial_nonce(); |
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| 442 | if ( is_wp_error( $sso_nonce ) ) { |
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| 443 | return; |
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| 444 | } |
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| 445 | |||
| 446 | add_action( 'login_form', array( $this, 'login_form' ) ); |
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| 447 | add_filter( 'login_body_class', array( $this, 'login_body_class' ) ); |
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| 448 | add_action( 'login_enqueue_scripts', array( $this, 'login_enqueue_scripts' ) ); |
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| 449 | } |
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| 450 | |||
| 451 | /** |
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| 452 | * Conditionally save the redirect_to url as a cookie. |
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| 453 | */ |
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| 454 | public static function maybe_save_cookie_redirect() { |
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| 455 | if ( headers_sent() ) { |
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| 456 | return new WP_Error( 'headers_sent', __( 'Cannot deal with cookie redirects, as headers are already sent.', 'jetpack' ) ); |
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| 457 | } |
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| 458 | |||
| 459 | if ( ! empty( $_GET['redirect_to'] ) ) { |
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| 460 | // If we have something to redirect to |
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| 461 | $url = esc_url_raw( $_GET['redirect_to'] ); |
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| 462 | setcookie( 'jetpack_sso_redirect_to', $url, time() + HOUR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false, true ); |
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| 463 | |||
| 464 | } elseif ( ! empty( $_COOKIE['jetpack_sso_redirect_to'] ) ) { |
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| 465 | // Otherwise, if it's already set, purge it. |
||
| 466 | setcookie( 'jetpack_sso_redirect_to', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
||
| 467 | } |
||
| 468 | |||
| 469 | if ( ! empty( $_GET['rememberme'] ) ) { |
||
| 470 | setcookie( 'jetpack_sso_remember_me', '1', time() + HOUR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false, true ); |
||
| 471 | } elseif ( ! empty( $_COOKIE['jetpack_sso_remember_me'] ) ) { |
||
| 472 | setcookie( 'jetpack_sso_remember_me', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
||
| 473 | } |
||
| 474 | } |
||
| 475 | |||
| 476 | /** |
||
| 477 | * Determine if the login form should be hidden or not |
||
| 478 | * |
||
| 479 | * Method is private only because it is only used in this class so far. |
||
| 480 | * Feel free to change it later |
||
| 481 | * |
||
| 482 | * @return bool |
||
| 483 | **/ |
||
| 484 | private function should_hide_login_form() { |
||
| 485 | /** |
||
| 486 | * Remove the default log in form, only leave the WordPress.com log in button. |
||
| 487 | * |
||
| 488 | * @module sso |
||
| 489 | * |
||
| 490 | * @since 3.1.0 |
||
| 491 | * |
||
| 492 | * @param bool get_option( 'jetpack_sso_remove_login_form', false ) Should the default log in form be removed. Default to false. |
||
| 493 | */ |
||
| 494 | return apply_filters( 'jetpack_remove_login_form', get_option( 'jetpack_sso_remove_login_form', false ) ); |
||
| 495 | } |
||
| 496 | |||
| 497 | /** |
||
| 498 | * Outputs the Jetpack SSO button and description as well as the toggle link |
||
| 499 | * for switching between Jetpack SSO and default login. |
||
| 500 | */ |
||
| 501 | function login_form() { |
||
| 502 | $site_name = get_bloginfo( 'name' ); |
||
| 503 | if ( ! $site_name ) { |
||
| 504 | $site_name = get_bloginfo( 'url' ); |
||
| 505 | } |
||
| 506 | |||
| 507 | $display_name = ! empty( $_COOKIE[ 'jetpack_sso_wpcom_name_' . COOKIEHASH ] ) |
||
| 508 | ? $_COOKIE[ 'jetpack_sso_wpcom_name_' . COOKIEHASH ] |
||
| 509 | : false; |
||
| 510 | $gravatar = ! empty( $_COOKIE[ 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH ] ) |
||
| 511 | ? $_COOKIE[ 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH ] |
||
| 512 | : false; |
||
| 513 | |||
| 514 | ?> |
||
| 515 | <div id="jetpack-sso-wrap"> |
||
| 516 | <?php if ( $display_name && $gravatar ) : ?> |
||
| 517 | <div id="jetpack-sso-wrap__user"> |
||
| 518 | <img width="72" height="72" src="<?php echo esc_html( $gravatar ); ?>" /> |
||
| 519 | |||
| 520 | <h2> |
||
| 521 | <?php |
||
| 522 | echo wp_kses( |
||
| 523 | sprintf( __( 'Log in as <span>%s</span>', 'jetpack' ), esc_html( $display_name ) ), |
||
| 524 | array( 'span' => true ) |
||
| 525 | ); |
||
| 526 | ?> |
||
| 527 | </h2> |
||
| 528 | </div> |
||
| 529 | |||
| 530 | <?php endif; ?> |
||
| 531 | |||
| 532 | |||
| 533 | <div id="jetpack-sso-wrap__action"> |
||
| 534 | <?php echo $this->build_sso_button( array(), 'is_primary' ); ?> |
||
| 535 | |||
| 536 | <?php if ( $display_name && $gravatar ) : ?> |
||
| 537 | <a class="jetpack-sso-wrap__reauth" href="<?php echo $this->build_sso_button_url( array( 'reauth' => '1' ) ); ?>"> |
||
| 538 | <?php esc_html_e( 'Log in as a different WordPress.com user', 'jetpack' ); ?> |
||
| 539 | </a> |
||
| 540 | <?php else : ?> |
||
| 541 | <p> |
||
| 542 | <?php |
||
| 543 | echo esc_html( |
||
| 544 | sprintf( |
||
| 545 | __( 'You can now save time spent logging in by connecting your WordPress.com account to %s.', 'jetpack' ), |
||
| 546 | esc_html( $site_name ) |
||
| 547 | ) |
||
| 548 | ); |
||
| 549 | ?> |
||
| 550 | </p> |
||
| 551 | <?php endif; ?> |
||
| 552 | </div> |
||
| 553 | |||
| 554 | <?php if ( ! $this->should_hide_login_form() ) : ?> |
||
| 555 | <div class="jetpack-sso-or"> |
||
| 556 | <span><?php esc_html_e( 'Or', 'jetpack' ); ?></span> |
||
| 557 | </div> |
||
| 558 | |||
| 559 | <a href="<?php echo add_query_arg( 'jetpack-sso-default-form', '1' ); ?>" class="jetpack-sso-toggle wpcom"> |
||
| 560 | <?php |
||
| 561 | esc_html_e( 'Log in with username and password', 'jetpack' ) |
||
| 562 | ?> |
||
| 563 | </a> |
||
| 564 | |||
| 565 | <a href="<?php echo add_query_arg( 'jetpack-sso-default-form', '0' ); ?>" class="jetpack-sso-toggle default"> |
||
| 566 | <?php |
||
| 567 | esc_html_e( 'Log in with WordPress.com', 'jetpack' ) |
||
| 568 | ?> |
||
| 569 | </a> |
||
| 570 | <?php endif; ?> |
||
| 571 | </div> |
||
| 572 | <?php |
||
| 573 | } |
||
| 574 | |||
| 575 | /** |
||
| 576 | * Clear the cookies that store the profile information for the last |
||
| 577 | * WPCOM user to connect. |
||
| 578 | */ |
||
| 579 | static function clear_wpcom_profile_cookies() { |
||
| 580 | View Code Duplication | if ( isset( $_COOKIE[ 'jetpack_sso_wpcom_name_' . COOKIEHASH ] ) ) { |
|
| 581 | setcookie( |
||
| 582 | 'jetpack_sso_wpcom_name_' . COOKIEHASH, |
||
| 583 | ' ', |
||
| 584 | time() - YEAR_IN_SECONDS, |
||
| 585 | COOKIEPATH, |
||
| 586 | COOKIE_DOMAIN |
||
| 587 | ); |
||
| 588 | } |
||
| 589 | |||
| 590 | View Code Duplication | if ( isset( $_COOKIE[ 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH ] ) ) { |
|
| 591 | setcookie( |
||
| 592 | 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH, |
||
| 593 | ' ', |
||
| 594 | time() - YEAR_IN_SECONDS, |
||
| 595 | COOKIEPATH, |
||
| 596 | COOKIE_DOMAIN |
||
| 597 | ); |
||
| 598 | } |
||
| 599 | } |
||
| 600 | |||
| 601 | static function delete_connection_for_user( $user_id ) { |
||
| 602 | if ( ! $wpcom_user_id = get_user_meta( $user_id, 'wpcom_user_id', true ) ) { |
||
| 603 | return; |
||
| 604 | } |
||
| 605 | Jetpack::load_xml_rpc_client(); |
||
| 606 | $xml = new Jetpack_IXR_Client( array( |
||
| 607 | 'wpcom_user_id' => $user_id, |
||
| 608 | ) ); |
||
| 609 | $xml->query( 'jetpack.sso.removeUser', $wpcom_user_id ); |
||
| 610 | |||
| 611 | if ( $xml->isError() ) { |
||
| 612 | return false; |
||
| 613 | } |
||
| 614 | |||
| 615 | self::clear_wpcom_profile_cookies(); |
||
| 616 | |||
| 617 | return $xml->getResponse(); |
||
| 618 | } |
||
| 619 | |||
| 620 | View Code Duplication | static function request_initial_nonce() { |
|
| 621 | Jetpack::load_xml_rpc_client(); |
||
| 622 | $xml = new Jetpack_IXR_Client( array( |
||
| 623 | 'user_id' => get_current_user_id(), |
||
| 624 | ) ); |
||
| 625 | $xml->query( 'jetpack.sso.requestNonce' ); |
||
| 626 | |||
| 627 | if ( $xml->isError() ) { |
||
| 628 | return new WP_Error( $xml->getErrorCode(), $xml->getErrorMessage() ); |
||
| 629 | } |
||
| 630 | |||
| 631 | return $xml->getResponse(); |
||
| 632 | } |
||
| 633 | |||
| 634 | /** |
||
| 635 | * The function that actually handles the login! |
||
| 636 | */ |
||
| 637 | function handle_login() { |
||
| 638 | $wpcom_nonce = sanitize_key( $_GET['sso_nonce'] ); |
||
| 639 | $wpcom_user_id = (int) $_GET['user_id']; |
||
| 640 | $result = sanitize_key( $_GET['result'] ); |
||
| 641 | |||
| 642 | Jetpack::load_xml_rpc_client(); |
||
| 643 | $xml = new Jetpack_IXR_Client( array( |
||
| 644 | 'user_id' => get_current_user_id(), |
||
| 645 | ) ); |
||
| 646 | $xml->query( 'jetpack.sso.validateResult', $wpcom_nonce, $wpcom_user_id ); |
||
| 647 | |||
| 648 | if ( $xml->isError() ) { |
||
| 649 | wp_die( sprintf( '%s: %s', $xml->getErrorCode(), $xml->getErrorMessage() ) ); |
||
| 650 | } |
||
| 651 | |||
| 652 | $user_data = $xml->getResponse(); |
||
| 653 | |||
| 654 | if ( empty( $user_data ) ) { |
||
| 655 | wp_die( __( 'Error, invalid response data.', 'jetpack' ) ); |
||
| 656 | } |
||
| 657 | |||
| 658 | $user_data = (object) $user_data; |
||
| 659 | $user = null; |
||
| 660 | |||
| 661 | /** |
||
| 662 | * Fires before Jetpack's SSO modifies the log in form. |
||
| 663 | * |
||
| 664 | * @module sso |
||
| 665 | * |
||
| 666 | * @since 2.6.0 |
||
| 667 | * |
||
| 668 | * @param object $user_data User login information. |
||
| 669 | */ |
||
| 670 | do_action( 'jetpack_sso_pre_handle_login', $user_data ); |
||
| 671 | |||
| 672 | /** |
||
| 673 | * Is it required to have 2-step authentication enabled on WordPress.com to use SSO? |
||
| 674 | * |
||
| 675 | * @module sso |
||
| 676 | * |
||
| 677 | * @since 2.8.0 |
||
| 678 | * |
||
| 679 | * @param bool get_option( 'jetpack_sso_require_two_step' ) Does SSO require 2-step authentication? |
||
| 680 | */ |
||
| 681 | $require_two_step = apply_filters( 'jetpack_sso_require_two_step', get_option( 'jetpack_sso_require_two_step' ) ); |
||
| 682 | if ( $require_two_step && 0 == (int) $user_data->two_step_enabled ) { |
||
| 683 | $this->user_data = $user_data; |
||
| 684 | /** This filter is documented in core/src/wp-includes/pluggable.php */ |
||
| 685 | do_action( 'wp_login_failed', $user_data->login ); |
||
| 686 | add_action( 'login_message', array( $this, 'error_msg_enable_two_step' ) ); |
||
| 687 | return; |
||
| 688 | } |
||
| 689 | |||
| 690 | if ( isset( $_GET['state'] ) && ( 0 < strpos( $_GET['state'], '|' ) ) ) { |
||
| 691 | list( $state, $nonce ) = explode( '|', $_GET['state'] ); |
||
| 692 | |||
| 693 | if ( wp_verify_nonce( $nonce, $state ) ) { |
||
| 694 | if ( 'sso-link-user' == $state ) { |
||
| 695 | $user = wp_get_current_user(); |
||
| 696 | update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID ); |
||
| 697 | add_filter( 'login_redirect', array( __CLASS__, 'profile_page_url' ) ); |
||
| 698 | } |
||
| 699 | } else { |
||
| 700 | wp_nonce_ays(); |
||
| 701 | } |
||
| 702 | } |
||
| 703 | |||
| 704 | if ( empty( $user ) ) { |
||
| 705 | $user = $this->get_user_by_wpcom_id( $user_data->ID ); |
||
| 706 | } |
||
| 707 | |||
| 708 | // If we don't have one by wpcom_user_id, try by the email? |
||
| 709 | if ( empty( $user ) && self::match_by_email() ) { |
||
| 710 | $user = get_user_by( 'email', $user_data->email ); |
||
| 711 | if ( $user ) { |
||
| 712 | update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID ); |
||
| 713 | } |
||
| 714 | } |
||
| 715 | |||
| 716 | // If we've still got nothing, create the user. |
||
| 717 | if ( empty( $user ) && ( get_option( 'users_can_register' ) || self::new_user_override() ) ) { |
||
| 718 | // If not matching by email we still need to verify the email does not exist |
||
| 719 | // or this blows up |
||
| 720 | /** |
||
| 721 | * If match_by_email is true, we know the email doesn't exist, as it would have |
||
| 722 | * been found in the first pass. If get_user_by( 'email' ) doesn't find the |
||
| 723 | * user, then we know that email is unused, so it's safe to add. |
||
| 724 | */ |
||
| 725 | if ( self::match_by_email() || ! get_user_by( 'email', $user_data->email ) ) { |
||
| 726 | $username = $user_data->login; |
||
| 727 | |||
| 728 | if ( username_exists( $username ) ) { |
||
| 729 | $username = $user_data->login . '_' . $user_data->ID; |
||
| 730 | } |
||
| 731 | |||
| 732 | $tries = 0; |
||
| 733 | while ( username_exists( $username ) ) { |
||
| 734 | $username = $user_data->login . '_' . $user_data->ID . '_' . mt_rand(); |
||
| 735 | if ( $tries++ >= 5 ) { |
||
| 736 | wp_die( __( "Error: Couldn't create suitable username.", 'jetpack' ) ); |
||
| 737 | } |
||
| 738 | } |
||
| 739 | |||
| 740 | $password = wp_generate_password( 20 ); |
||
| 741 | $user_id = wp_create_user( $username, $password, $user_data->email ); |
||
| 742 | $user = get_userdata( $user_id ); |
||
| 743 | |||
| 744 | $user->display_name = $user_data->display_name; |
||
| 745 | $user->first_name = $user_data->first_name; |
||
| 746 | $user->last_name = $user_data->last_name; |
||
| 747 | $user->url = $user_data->url; |
||
| 748 | $user->description = $user_data->description; |
||
| 749 | wp_update_user( $user ); |
||
| 750 | |||
| 751 | update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID ); |
||
| 752 | } else { |
||
| 753 | $this->user_data = $user_data; |
||
| 754 | // do_action( 'wp_login_failed', $user_data->login ); |
||
| 755 | add_action( 'login_message', array( $this, 'error_msg_email_already_exists' ) ); |
||
| 756 | return; |
||
| 757 | } |
||
| 758 | } |
||
| 759 | |||
| 760 | /** |
||
| 761 | * Fires after we got login information from WordPress.com. |
||
| 762 | * |
||
| 763 | * @module sso |
||
| 764 | * |
||
| 765 | * @since 2.6.0 |
||
| 766 | * |
||
| 767 | * @param array $user WordPress.com User information. |
||
| 768 | * @param object $user_data User Login information. |
||
| 769 | */ |
||
| 770 | do_action( 'jetpack_sso_handle_login', $user, $user_data ); |
||
| 771 | |||
| 772 | if ( $user ) { |
||
| 773 | // Cache the user's details, so we can present it back to them on their user screen |
||
| 774 | update_user_meta( $user->ID, 'wpcom_user_data', $user_data ); |
||
| 775 | |||
| 776 | $remember = false; |
||
| 777 | View Code Duplication | if ( ! empty( $_COOKIE['jetpack_sso_remember_me'] ) ) { |
|
| 778 | $remember = true; |
||
| 779 | // And then purge it |
||
| 780 | setcookie( 'jetpack_sso_remember_me', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
||
| 781 | } |
||
| 782 | /** |
||
| 783 | * Filter the remember me value. |
||
| 784 | * |
||
| 785 | * @module sso |
||
| 786 | * |
||
| 787 | * @since 2.8.0 |
||
| 788 | * |
||
| 789 | * @param bool $remember Is the remember me option checked? |
||
| 790 | */ |
||
| 791 | $remember = apply_filters( 'jetpack_remember_login', $remember ); |
||
| 792 | wp_set_auth_cookie( $user->ID, $remember ); |
||
| 793 | |||
| 794 | /** This filter is documented in core/src/wp-includes/user.php */ |
||
| 795 | do_action( 'wp_login', $user->user_login, $user ); |
||
| 796 | |||
| 797 | $_request_redirect_to = isset( $_REQUEST['redirect_to'] ) ? esc_url_raw( $_REQUEST['redirect_to'] ) : ''; |
||
| 798 | $redirect_to = user_can( $user, 'edit_posts' ) ? admin_url() : self::profile_page_url(); |
||
| 799 | |||
| 800 | // If we have a saved redirect to request in a cookie |
||
| 801 | View Code Duplication | if ( ! empty( $_COOKIE['jetpack_sso_redirect_to'] ) ) { |
|
| 802 | // Set that as the requested redirect to |
||
| 803 | $redirect_to = $_request_redirect_to = esc_url_raw( $_COOKIE['jetpack_sso_redirect_to'] ); |
||
| 804 | // And then purge it |
||
| 805 | setcookie( 'jetpack_sso_redirect_to', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
||
| 806 | } |
||
| 807 | |||
| 808 | if ( ! Jetpack::is_user_connected( $user->ID ) ) { |
||
| 809 | $calypso_env = ! empty( $_GET['calypso_env'] ) |
||
| 810 | ? sanitize_key( $_GET['calypso_env'] ) |
||
| 811 | : ''; |
||
| 812 | |||
| 813 | wp_safe_redirect( |
||
| 814 | add_query_arg( |
||
| 815 | array( |
||
| 816 | 'redirect_to' => $redirect_to, |
||
| 817 | 'request_redirect_to' => $_request_redirect_to, |
||
| 818 | 'calypso_env' => $calypso_env, |
||
| 819 | 'jetpack-sso-auth-redirect' => '1', |
||
| 820 | ), |
||
| 821 | admin_url() |
||
| 822 | ) |
||
| 823 | ); |
||
| 824 | exit; |
||
| 825 | } |
||
| 826 | |||
| 827 | wp_safe_redirect( |
||
| 828 | /** This filter is documented in core/src/wp-login.php */ |
||
| 829 | apply_filters( 'login_redirect', $redirect_to, $_request_redirect_to, $user ) |
||
| 830 | ); |
||
| 831 | exit; |
||
| 832 | } |
||
| 833 | |||
| 834 | $this->user_data = $user_data; |
||
| 835 | /** This filter is documented in core/src/wp-includes/pluggable.php */ |
||
| 836 | do_action( 'wp_login_failed', $user_data->login ); |
||
| 837 | add_action( 'login_message', array( $this, 'cant_find_user' ) ); |
||
| 838 | } |
||
| 839 | |||
| 840 | static function profile_page_url() { |
||
| 843 | |||
| 844 | static function match_by_email() { |
||
| 859 | |||
| 860 | static function new_user_override() { |
||
| 874 | |||
| 875 | function allowed_redirect_hosts( $hosts ) { |
||
| 876 | if ( empty( $hosts ) ) { |
||
| 877 | $hosts = array(); |
||
| 878 | } |
||
| 879 | $hosts[] = 'wordpress.com'; |
||
| 880 | $hosts[] = 'jetpack.wordpress.com'; |
||
| 881 | |||
| 882 | return array_unique( $hosts ); |
||
| 883 | } |
||
| 884 | |||
| 885 | /** |
||
| 886 | * Builds the "Login to WordPress.com" button that is displayed on the login page as well as user profile page. |
||
| 887 | * |
||
| 888 | * @param array $args An array of arguments to add to the SSO URL. |
||
| 889 | * @param boolean $is_primary Should the button have the `button-primary` class? |
||
| 890 | * @return string Returns the HTML markup for the button. |
||
| 891 | */ |
||
| 892 | function build_sso_button( $args = array(), $is_primary = false ) { |
||
| 893 | $url = $this->build_sso_button_url( $args ); |
||
| 894 | $classes = $is_primary |
||
| 895 | ? 'jetpack-sso button button-primary' |
||
| 896 | : 'jetpack-sso button'; |
||
| 897 | |||
| 898 | return sprintf( |
||
| 899 | '<a href="%1$s" class="%2$s">%3$s</a>', |
||
| 900 | esc_url( $url ), |
||
| 901 | $classes, |
||
| 902 | esc_html__( 'Log in with WordPress.com', 'jetpack' ) |
||
| 905 | |||
| 906 | /** |
||
| 907 | * Builds a URL with `jetpack-sso` action and option args which is used to setup SSO. |
||
| 908 | * |
||
| 909 | * @param array $args An array of arguments to add to the SSO URL. |
||
| 910 | * @return string The URL used for SSO. |
||
| 911 | */ |
||
| 912 | function build_sso_button_url( $args = array() ) { |
||
| 925 | |||
| 926 | /** |
||
| 927 | * Retrieves a WordPress.com SSO URL with appropriate query parameters or dies. |
||
| 928 | * |
||
| 929 | * @param boolean $reauth Should the user be forced to reauthenticate on WordPress.com? |
||
| 930 | * @param array $args Optional query parameters. |
||
| 931 | * @return string The WordPress.com SSO URL. |
||
| 932 | */ |
||
| 933 | function get_sso_url_or_die( $reauth = false, $args = array() ) { |
||
| 948 | |||
| 949 | /** |
||
| 950 | * Build WordPress.com SSO URL with appropriate query parameters. |
||
| 951 | * |
||
| 952 | * @param array $args Optional query parameters. |
||
| 953 | * @return string WordPress.com SSO URL |
||
| 954 | */ |
||
| 955 | function build_sso_url( $args = array() ) { |
||
| 975 | |||
| 976 | /** |
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| 977 | * Build WordPress.com SSO URL with appropriate query parameters, |
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| 978 | * including the parameters necessary to force the user to reauthenticate |
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| 979 | * on WordPress.com. |
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| 980 | * |
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| 981 | * @param array $args Optional query parameters. |
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| 982 | * @return string WordPress.com SSO URL |
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| 983 | */ |
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| 984 | function build_reauth_and_sso_url( $args = array() ) { |
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| 1008 | |||
| 1009 | /** |
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| 1010 | * Determines local user associated with a given WordPress.com user ID. |
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| 1011 | * |
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| 1012 | * @since 2.6.0 |
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| 1013 | * |
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| 1014 | * @param int $wpcom_user_id User ID from WordPress.com |
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| 1015 | * @return object Local user object if found, null if not. |
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| 1016 | */ |
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| 1017 | static function get_user_by_wpcom_id( $wpcom_user_id ) { |
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| 1027 | |||
| 1028 | /** |
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| 1029 | * Error message displayed on the login form when two step is required and |
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| 1030 | * the user's account on WordPress.com does not have two step enabled. |
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| 1031 | * |
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| 1032 | * @since 2.7 |
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| 1033 | * @param string $message |
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| 1034 | * @return string |
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| 1035 | **/ |
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| 1036 | public function error_msg_enable_two_step( $message ) { |
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| 1043 | |||
| 1044 | /** |
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| 1045 | * Error message displayed when the user tries to SSO, but match by email |
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| 1046 | * is off and they already have an account with their email address on |
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| 1047 | * this site. |
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| 1048 | * |
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| 1049 | * @param string $message |
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| 1050 | * @return string |
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| 1051 | */ |
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| 1052 | public function error_msg_email_already_exists( $message ) { |
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| 1059 | |||
| 1060 | /** |
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| 1061 | * Message displayed when the site admin has disabled the default WordPress |
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| 1062 | * login form in Settings > General > Single Sign On |
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| 1063 | * |
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| 1064 | * @since 2.7 |
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| 1065 | * @param string $message |
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| 1066 | * @return string |
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| 1067 | **/ |
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| 1068 | public function msg_login_by_jetpack( $message ) { |
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| 1086 | |||
| 1087 | /** |
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| 1088 | * Error message displayed on the login form when the user attempts |
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| 1089 | * to post to the login form and it is disabled. |
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| 1090 | * |
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| 1091 | * @since 2.8 |
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| 1092 | * @param string $message |
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| 1093 | * @param string |
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| 1094 | **/ |
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| 1095 | public function error_msg_login_method_not_allowed( $message ) { |
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| 1111 | |||
| 1112 | /** |
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| 1113 | * When jetpack-sso-auth-redirect query parameter is set, will redirect user to |
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| 1114 | * WordPress.com authorization flow. |
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| 1115 | * |
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| 1116 | * We redirect here instead of in handle_login() because Jetpack::init()->build_connect_url |
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| 1117 | * calls menu_page_url() which doesn't work properly until admin menus are registered. |
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| 1118 | */ |
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| 1119 | function maybe_authorize_user_after_sso() { |
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| 1146 | |||
| 1147 | /** |
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| 1148 | * Cache user's display name and Gravatar so it can be displayed on the login screen. These cookies are |
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| 1149 | * stored when the user logs out, and then deleted when the user logs in. |
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| 1150 | */ |
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| 1151 | function store_wpcom_profile_cookies_on_logout() { |
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| 1180 | |||
| 1181 | /** |
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| 1182 | * Deal with user connections... |
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| 1183 | */ |
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| 1184 | function admin_init() { |
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| 1200 | |||
| 1201 | /** |
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| 1202 | * Determines if a local user is connected to WordPress.com |
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| 1203 | * |
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| 1204 | * @since 2.8 |
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| 1205 | * @param integer $user_id - Local user id |
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| 1206 | * @return boolean |
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| 1207 | **/ |
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| 1208 | public function is_user_connected( $user_id ) { |
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| 1211 | |||
| 1212 | /** |
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| 1213 | * Retrieves a user's WordPress.com data |
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| 1214 | * |
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| 1215 | * @since 2.8 |
||
| 1216 | * @param integer $user_id - Local user id |
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| 1217 | * @return mixed null or stdClass |
||
| 1218 | **/ |
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| 1219 | public function get_user_data( $user_id ) { |
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| 1222 | |||
| 1223 | function edit_profile_fields( $user ) { |
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| 1266 | } |
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| 1267 | |||
| 1269 |
Loading history...
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.