class.jetpack-client-server.php
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Client = Plugin |
| 5 | * Client Server = API Methods the Plugin must respond to |
| 6 | */ |
| 7 | class Jetpack_Client_Server { |
| 8 | |
| 9 | /** |
| 10 | * Authorizations |
| 11 | */ |
| 12 | function client_authorize() { |
| 13 | $data = stripslashes_deep( $_GET ); |
| 14 | $data['auth_type'] = 'client'; |
| 15 | $role = Jetpack::translate_current_user_to_role(); |
| 16 | $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : ''; |
| 17 | |
| 18 | $this->check_admin_referer( "jetpack-authorize_{$role}_{$redirect}" ); |
| 19 | |
| 20 | $result = $this->authorize( $data ); |
| 21 | if ( is_wp_error( $result ) ) { |
| 22 | Jetpack::state( 'error', $result->get_error_code() ); |
| 23 | } |
| 24 | |
| 25 | if ( wp_validate_redirect( $redirect ) ) { |
| 26 | $this->wp_safe_redirect( $redirect ); |
| 27 | } else { |
| 28 | $this->wp_safe_redirect( Jetpack::admin_url() ); |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Fires after the Jetpack client is authorized to communicate with WordPress.com. |
| 33 | * |
| 34 | * @since 4.2.0 |
| 35 | * |
| 36 | * @param int Jetpack Blog ID. |
| 37 | */ |
| 38 | do_action( 'jetpack_client_authorized', Jetpack_Options::get_option( 'id' ) ); |
| 39 | |
| 40 | $this->do_exit(); |
| 41 | } |
| 42 | |
| 43 | function authorize( $data = array() ) { |
| 44 | $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : ''; |
| 45 | |
| 46 | $jetpack_unique_connection = Jetpack_Options::get_option( 'unique_connection' ); |
| 47 | // Checking if site has been active/connected previously before recording unique connection |
| 48 | if ( ! $jetpack_unique_connection ) { |
| 49 | // jetpack_unique_connection option has never been set |
| 50 | $jetpack_unique_connection = array( |
| 51 | 'connected' => 0, |
| 52 | 'disconnected' => 0, |
| 53 | 'version' => '3.6.1', |
| 54 | ); |
| 55 | |
| 56 | update_option( 'jetpack_unique_connection', $jetpack_unique_connection ); |
| 57 | |
| 58 | //track unique connection |
| 59 | $jetpack = $this->get_jetpack();; |
| 60 | |
| 61 | $jetpack->stat( 'connections', 'unique-connection' ); |
| 62 | $jetpack->do_stats( 'server_side' ); |
| 63 | } |
| 64 | |
| 65 | // increment number of times connected |
| 66 | $jetpack_unique_connection['connected'] += 1; |
| 67 | Jetpack_Options::update_option( 'unique_connection', $jetpack_unique_connection ); |
| 68 | |
| 69 | $role = Jetpack::translate_current_user_to_role(); |
| 70 | |
| 71 | if ( ! $role ) { |
| 72 | return new Jetpack_Error( 'no_role', 'Invalid request.', 400 ); |
| 73 | } |
| 74 | |
| 75 | $cap = Jetpack::translate_role_to_cap( $role ); |
| 76 | if ( ! $cap ) { |
| 77 | return new Jetpack_Error( 'no_cap', 'Invalid request.', 400 ); |
| 78 | } |
| 79 | |
| 80 | if ( ! empty( $data['error'] ) ) { |
| 81 | return new Jetpack_Error( $data['error'], 'Error included in the request.', 400 ); |
| 82 | } |
| 83 | |
| 84 | if ( ! isset( $data['state'] ) ) { |
| 85 | return new Jetpack_Error( 'no_state', 'Request must include state.', 400 ); |
| 86 | } |
| 87 | |
| 88 | if ( ! ctype_digit( $data['state'] ) ) { |
| 89 | return new Jetpack_Error( $data['error'], 'State must be an integer.', 400 ); |
| 90 | } |
| 91 | |
| 92 | $current_user_id = get_current_user_id(); |
| 93 | if ( $current_user_id != $data['state'] ) { |
| 94 | return new Jetpack_Error( 'wrong_state', 'State does not match current user.', 400 ); |
| 95 | } |
| 96 | |
| 97 | if ( empty( $data['code'] ) ) { |
| 98 | return new Jetpack_Error( 'no_code', 'Request must include an authorization code.', 400 ); |
| 99 | } |
| 100 | |
| 101 | $token = $this->get_token( $data ); |
| 102 | |
| 103 | if ( is_wp_error( $token ) ) { |
| 104 | $code = $token->get_error_code(); |
| 105 | if ( empty( $code ) ) { |
| 106 | $code = 'invalid_token'; |
| 107 | } |
| 108 | return new Jetpack_Error( $code, $token->get_error_message(), 400 ); |
| 109 | } |
| 110 | |
| 111 | if ( ! $token ) { |
| 112 | return new Jetpack_Error( 'no_token', 'Error generating token.', 400 ); |
| 113 | } |
| 114 | |
| 115 | $is_master_user = ! Jetpack::is_active(); |
| 116 | |
| 117 | Jetpack::update_user_token( $current_user_id, sprintf( '%s.%d', $token, $current_user_id ), $is_master_user ); |
| 118 | |
| 119 | if ( ! $is_master_user ) { |
| 120 | // Don't activate anything since we are just connecting a user. |
| 121 | return 'linked'; |
| 122 | } |
| 123 | |
| 124 | $redirect_on_activation_error = ( 'client' === $data['auth_type'] ) ? true : false; |
| 125 | if ( $active_modules = Jetpack_Options::get_option( 'active_modules' ) ) { |
| 126 | Jetpack::delete_active_modules(); |
| 127 | |
| 128 | Jetpack::activate_default_modules( 999, 1, $active_modules, $redirect_on_activation_error ); |
| 129 | } else { |
| 130 | Jetpack::activate_default_modules( false, false, array(), $redirect_on_activation_error ); |
| 131 | } |
| 132 | |
| 133 | // Start nonce cleaner |
| 134 | wp_clear_scheduled_hook( 'jetpack_clean_nonces' ); |
| 135 | wp_schedule_event( time(), 'hourly', 'jetpack_clean_nonces' ); |
| 136 | |
| 137 | return 'authorized'; |
| 138 | } |
| 139 | |
| 140 | public static function deactivate_plugin( $probable_file, $probable_title ) { |
| 141 | include_once( ABSPATH . 'wp-admin/includes/plugin.php' ); |
| 142 | if ( is_plugin_active( $probable_file ) ) { |
| 143 | deactivate_plugins( $probable_file ); |
| 144 | return 1; |
| 145 | } else { |
| 146 | // If the plugin is not in the usual place, try looking through all active plugins. |
| 147 | $active_plugins = Jetpack::get_active_plugins(); |
| 148 | foreach ( $active_plugins as $plugin ) { |
| 149 | $data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ); |
| 150 | if ( $data['Name'] == $probable_title ) { |
| 151 | deactivate_plugins( $plugin ); |
| 152 | return 1; |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * @return object|WP_Error |
| 162 | */ |
| 163 | function get_token( $data ) { |
| 164 | $role = Jetpack::translate_current_user_to_role(); |
| 165 | |
| 166 | if ( ! $role ) { |
| 167 | return new Jetpack_Error( 'role', __( 'An administrator for this blog must set up the Jetpack connection.', 'jetpack' ) ); |
| 168 | } |
| 169 | |
| 170 | $client_secret = Jetpack_Data::get_access_token(); |
| 171 | if ( ! $client_secret ) { |
| 172 | return new Jetpack_Error( 'client_secret', __( 'You need to register your Jetpack before connecting it.', 'jetpack' ) ); |
| 173 | } |
| 174 | |
| 175 | $redirect = isset( $data['redirect'] ) ? esc_url_raw( (string) $data['redirect'] ) : ''; |
| 176 | $redirect_uri = ( 'calypso' === $data['auth_type'] ) |
| 177 | ? $data['redirect_uri'] |
| 178 | : add_query_arg( array( |
| 179 | 'action' => 'authorize', |
| 180 | '_wpnonce' => wp_create_nonce( "jetpack-authorize_{$role}_{$redirect}" ), |
| 181 | 'redirect' => $redirect ? urlencode( $redirect ) : false, |
| 182 | ), menu_page_url( 'jetpack', false ) ); |
| 183 | |
| 184 | $body = array( |
| 185 | 'client_id' => Jetpack_Options::get_option( 'id' ), |
| 186 | 'client_secret' => $client_secret->secret, |
| 187 | 'grant_type' => 'authorization_code', |
| 188 | 'code' => $data['code'], |
| 189 | 'redirect_uri' => $redirect_uri, |
| 190 | ); |
| 191 | |
| 192 | $args = array( |
| 193 | 'method' => 'POST', |
| 194 | 'body' => $body, |
| 195 | 'headers' => array( |
| 196 | 'Accept' => 'application/json', |
| 197 | ), |
| 198 | ); |
| 199 | $response = Jetpack_Client::_wp_remote_request( Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'token' ) ), $args ); |
| 200 | |
| 201 | if ( is_wp_error( $response ) ) { |
| 202 | return new Jetpack_Error( 'token_http_request_failed', $response->get_error_message() ); |
| 203 | } |
| 204 | |
| 205 | $code = wp_remote_retrieve_response_code( $response ); |
| 206 | $entity = wp_remote_retrieve_body( $response ); |
| 207 | |
| 208 | if ( $entity ) { |
| 209 | $json = json_decode( $entity ); |
| 210 | } else { |
| 211 | $json = false; |
| 212 | } |
| 213 | |
| 214 | if ( 200 != $code || ! empty( $json->error ) ) { |
| 215 | if ( empty( $json->error ) ) { |
| 216 | return new Jetpack_Error( 'unknown', '', $code ); |
| 217 | } |
| 218 | |
| 219 | $error_description = isset( $json->error_description ) ? sprintf( __( 'Error Details: %s', 'jetpack' ), (string) $json->error_description ) : ''; |
| 220 | |
| 221 | return new Jetpack_Error( (string) $json->error, $error_description, $code ); |
| 222 | } |
| 223 | |
| 224 | if ( empty( $json->access_token ) || ! is_scalar( $json->access_token ) ) { |
| 225 | return new Jetpack_Error( 'access_token', '', $code ); |
| 226 | } |
| 227 | |
| 228 | if ( empty( $json->token_type ) || 'X_JETPACK' != strtoupper( $json->token_type ) ) { |
| 229 | return new Jetpack_Error( 'token_type', '', $code ); |
| 230 | } |
| 231 | |
| 232 | if ( empty( $json->scope ) ) { |
| 233 | return new Jetpack_Error( 'scope', 'No Scope', $code ); |
| 234 | } |
| 235 | |
| 236 | @list( $role, $hmac ) = explode( ':', $json->scope ); |
| 237 | if ( empty( $role ) || empty( $hmac ) ) { |
| 238 | return new Jetpack_Error( 'scope', 'Malformed Scope', $code ); |
| 239 | } |
| 240 | |
| 241 | if ( Jetpack::sign_role( $role ) !== $json->scope ) { |
| 242 | return new Jetpack_Error( 'scope', 'Invalid Scope', $code ); |
| 243 | } |
| 244 | |
| 245 | if ( ! $cap = Jetpack::translate_role_to_cap( $role ) ) { |
| 246 | return new Jetpack_Error( 'scope', 'No Cap', $code ); |
| 247 | } |
| 248 | |
| 249 | if ( ! current_user_can( $cap ) ) { |
| 250 | return new Jetpack_Error( 'scope', 'current_user_cannot', $code ); |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Fires after user has successfully received an auth token. |
| 255 | * |
| 256 | * @since 3.9.0 |
| 257 | */ |
| 258 | do_action( 'jetpack_user_authorized' ); |
| 259 | |
| 260 | return (string) $json->access_token; |
| 261 | } |
| 262 | |
| 263 | public function get_jetpack() { |
| 264 | return Jetpack::init(); |
| 265 | } |
| 266 | |
| 267 | public function check_admin_referer( $action ) { |
| 268 | return check_admin_referer( $action ); |
| 269 | } |
| 270 | |
| 271 | public function wp_safe_redirect( $redirect ) { |
| 272 | return wp_safe_redirect( $redirect ); |
| 273 | } |
| 274 | |
| 275 | public function do_exit() { |
| 276 | exit; |
| 277 | } |
| 278 | } |
| 279 |