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| 1 | <?php |
| 2 | /** |
| 3 | * Storage for plugin connection information. |
| 4 | * |
| 5 | * @package automattic/jetpack-connection |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Connection; |
| 9 | |
| 10 | use Jetpack_Options; |
| 11 | use WP_Error; |
| 12 | |
| 13 | /** |
| 14 | * The class serves a single purpose - to store the data which plugins use the connection, along with some auxiliary information. |
| 15 | */ |
| 16 | class Plugin_Storage { |
| 17 | |
| 18 | const ACTIVE_PLUGINS_OPTION_NAME = 'jetpack_connection_active_plugins'; |
| 19 | |
| 20 | /** |
| 21 | * Transient name used as flag to indicate that the active connected plugins list needs refreshing. |
| 22 | */ |
| 23 | const ACTIVE_PLUGINS_REFRESH_FLAG = 'jetpack_connection_active_plugins_refresh'; |
| 24 | |
| 25 | /** |
| 26 | * Whether this class was configured for the first time or not. |
| 27 | * |
| 28 | * @var boolean |
| 29 | */ |
| 30 | private static $configured = false; |
| 31 | |
| 32 | /** |
| 33 | * Connected plugins. |
| 34 | * |
| 35 | * @var array |
| 36 | */ |
| 37 | private static $plugins = array(); |
| 38 | |
| 39 | /** |
| 40 | * The blog ID the storage is setup for. |
| 41 | * The data will be refreshed if the blog ID changes. |
| 42 | * Used for the multisite networks. |
| 43 | * |
| 44 | * @var int |
| 45 | */ |
| 46 | private static $current_blog_id = null; |
| 47 | |
| 48 | /** |
| 49 | * Add or update the plugin information in the storage. |
| 50 | * |
| 51 | * @param string $slug Plugin slug. |
| 52 | * @param array $args Plugin arguments, optional. |
| 53 | * |
| 54 | * @return bool |
| 55 | */ |
| 56 | public static function upsert( $slug, array $args = array() ) { |
| 57 | self::$plugins[ $slug ] = $args; |
| 58 | |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Retrieve the plugin information by slug. |
| 64 | * WARNING: the method cannot be called until Plugin_Storage::configure is called, which happens on plugins_loaded |
| 65 | * Even if you don't use Jetpack Config, it may be introduced later by other plugins, |
| 66 | * so please make sure not to run the method too early in the code. |
| 67 | * |
| 68 | * @param string $slug The plugin slug. |
| 69 | * |
| 70 | * @return array|null|WP_Error |
| 71 | */ |
| 72 | public static function get_one( $slug ) { |
| 73 | $plugins = self::get_all(); |
| 74 | |
| 75 | if ( $plugins instanceof WP_Error ) { |
| 76 | return $plugins; |
| 77 | } |
| 78 | |
| 79 | return empty( $plugins[ $slug ] ) ? null : $plugins[ $slug ]; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Retrieve info for all plugins that use the connection. |
| 84 | * WARNING: the method cannot be called until Plugin_Storage::configure is called, which happens on plugins_loaded |
| 85 | * Even if you don't use Jetpack Config, it may be introduced later by other plugins, |
| 86 | * so please make sure not to run the method too early in the code. |
| 87 | * |
| 88 | * @return array|WP_Error |
| 89 | */ |
| 90 | public static function get_all() { |
| 91 | $maybe_error = self::ensure_configured(); |
| 92 | |
| 93 | if ( $maybe_error instanceof WP_Error ) { |
| 94 | return $maybe_error; |
| 95 | } |
| 96 | |
| 97 | return self::$plugins; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Remove the plugin connection info from Jetpack. |
| 102 | * WARNING: the method cannot be called until Plugin_Storage::configure is called, which happens on plugins_loaded |
| 103 | * Even if you don't use Jetpack Config, it may be introduced later by other plugins, |
| 104 | * so please make sure not to run the method too early in the code. |
| 105 | * |
| 106 | * @param string $slug The plugin slug. |
| 107 | * |
| 108 | * @return bool|WP_Error |
| 109 | */ |
| 110 | public static function delete( $slug ) { |
| 111 | $maybe_error = self::ensure_configured(); |
| 112 | |
| 113 | if ( $maybe_error instanceof WP_Error ) { |
| 114 | return $maybe_error; |
| 115 | } |
| 116 | |
| 117 | if ( array_key_exists( $slug, self::$plugins ) ) { |
| 118 | unset( self::$plugins[ $slug ] ); |
| 119 | } |
| 120 | |
| 121 | return true; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * The method makes sure that `Jetpack\Config` has finished, and it's now safe to retrieve the list of plugins. |
| 126 | * |
| 127 | * @return bool|WP_Error |
| 128 | */ |
| 129 | private static function ensure_configured() { |
| 130 | if ( ! self::$configured ) { |
| 131 | return new WP_Error( 'too_early', __( 'You cannot call this method until Jetpack Config is configured', 'jetpack-connection' ) ); |
| 132 | } |
| 133 | |
| 134 | if ( is_multisite() && get_current_blog_id() !== self::$current_blog_id ) { |
| 135 | if ( self::$current_blog_id ) { |
| 136 | // If blog ID got changed, pull the list of active plugins for that blog from the database. |
| 137 | self::$plugins = (array) get_option( self::ACTIVE_PLUGINS_OPTION_NAME, array() ); |
| 138 | } |
| 139 | self::$current_blog_id = get_current_blog_id(); |
| 140 | } |
| 141 | |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Called once to configure this class after plugins_loaded. |
| 147 | * |
| 148 | * @return void |
| 149 | */ |
| 150 | public static function configure() { |
| 151 | if ( self::$configured ) { |
| 152 | return; |
| 153 | } |
| 154 | |
| 155 | self::$configured = true; |
| 156 | |
| 157 | add_action( 'update_option_active_plugins', array( __CLASS__, 'set_flag_to_refresh_active_connected_plugins' ) ); |
| 158 | |
| 159 | self::maybe_update_active_connected_plugins(); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Set a flag to indicate that the active connected plugins list needs to be updated. |
| 164 | * This will happen when the `active_plugins` option is updated. |
| 165 | * |
| 166 | * @see configure |
| 167 | */ |
| 168 | public static function set_flag_to_refresh_active_connected_plugins() { |
| 169 | set_transient( self::ACTIVE_PLUGINS_REFRESH_FLAG, time() ); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Determine if we need to update the active connected plugins list. |
| 174 | */ |
| 175 | public static function maybe_update_active_connected_plugins() { |
| 176 | $maybe_error = self::ensure_configured(); |
| 177 | |
| 178 | if ( $maybe_error instanceof WP_Error ) { |
| 179 | return; |
| 180 | } |
| 181 | // Only attempt to update the option if the corresponding flag is set. |
| 182 | if ( ! get_transient( self::ACTIVE_PLUGINS_REFRESH_FLAG ) ) { |
| 183 | return; |
| 184 | } |
| 185 | // Only attempt to update the option on POST requests. |
| 186 | // This will prevent the option from being updated multiple times due to concurrent requests. |
| 187 | if ( ! ( isset( $_SERVER['REQUEST_METHOD'] ) && 'POST' === $_SERVER['REQUEST_METHOD'] ) ) { |
| 188 | return; |
| 189 | } |
| 190 | |
| 191 | delete_transient( self::ACTIVE_PLUGINS_REFRESH_FLAG ); |
| 192 | |
| 193 | if ( is_multisite() ) { |
| 194 | self::$current_blog_id = get_current_blog_id(); |
| 195 | } |
| 196 | |
| 197 | // If a plugin was activated or deactivated. |
| 198 | // self::$plugins is populated in Config::ensure_options_connection(). |
| 199 | $configured_plugin_keys = array_keys( self::$plugins ); |
| 200 | $stored_plugin_keys = array_keys( (array) get_option( self::ACTIVE_PLUGINS_OPTION_NAME, array() ) ); |
| 201 | sort( $configured_plugin_keys ); |
| 202 | sort( $stored_plugin_keys ); |
| 203 | |
| 204 | if ( $configured_plugin_keys !== $stored_plugin_keys ) { |
| 205 | self::update_active_plugins_option(); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Updates the active plugins option with current list of active plugins. |
| 211 | * |
| 212 | * @return void |
| 213 | */ |
| 214 | public static function update_active_plugins_option() { |
| 215 | // Note: Since this option is synced to wpcom, if you change its structure, you have to update the sanitizer at wpcom side. |
| 216 | update_option( self::ACTIVE_PLUGINS_OPTION_NAME, self::$plugins ); |
| 217 | if ( ! class_exists( 'Automattic\Jetpack\Sync\Settings' ) || ! \Automattic\Jetpack\Sync\Settings::is_sync_enabled() ) { |
| 218 | self::update_active_plugins_wpcom_no_sync_fallback(); |
| 219 | // Remove the checksum for active plugins, so it gets recalculated when sync gets activated. |
| 220 | $jetpack_callables_sync_checksum = Jetpack_Options::get_raw_option( 'jetpack_callables_sync_checksum' ); |
| 221 | if ( isset( $jetpack_callables_sync_checksum['jetpack_connection_active_plugins'] ) ) { |
| 222 | unset( $jetpack_callables_sync_checksum['jetpack_connection_active_plugins'] ); |
| 223 | Jetpack_Options::update_raw_option( 'jetpack_callables_sync_checksum', $jetpack_callables_sync_checksum ); |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * Update active plugins option with current list of active plugins on WPCOM. |
| 230 | * This is a fallback to ensure this option is always up to date on WPCOM in case |
| 231 | * Sync is not present or disabled. |
| 232 | * |
| 233 | * @since 1.34.0 |
| 234 | */ |
| 235 | private static function update_active_plugins_wpcom_no_sync_fallback() { |
| 236 | $connection = new Manager(); |
| 237 | if ( ! $connection->is_connected() ) { |
| 238 | return; |
| 239 | } |
| 240 | |
| 241 | $site_id = \Jetpack_Options::get_option( 'id' ); |
| 242 | |
| 243 | $body = wp_json_encode( |
| 244 | array( |
| 245 | 'active_connected_plugins' => self::$plugins, |
| 246 | ), |
| 247 | JSON_UNESCAPED_SLASHES |
| 248 | ); |
| 249 | |
| 250 | Client::wpcom_json_api_request_as_blog( |
| 251 | sprintf( '/sites/%d/jetpack-active-connected-plugins', $site_id ), |
| 252 | '2', |
| 253 | array( |
| 254 | 'headers' => array( 'content-type' => 'application/json' ), |
| 255 | 'method' => 'POST', |
| 256 | ), |
| 257 | $body, |
| 258 | 'wpcom' |
| 259 | ); |
| 260 | } |
| 261 | } |