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| 1 | <?php |
| 2 | /** |
| 3 | * Explains, in the block editor, why a saved Jetpack block is unavailable. |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Plugin; |
| 9 | |
| 10 | use Automattic\Jetpack\Assets; |
| 11 | use Automattic\Jetpack\Constants; |
| 12 | use Automattic\Jetpack\Modules; |
| 13 | use Automattic\Jetpack\Status; |
| 14 | use Automattic\Jetpack\Status\Host; |
| 15 | use Jetpack; |
| 16 | use Jetpack_Gutenberg; |
| 17 | use Jetpack_Modules_Overrides; |
| 18 | |
| 19 | /** |
| 20 | * Works out why Jetpack is not registering its blocks, so the editor can say so |
| 21 | * instead of showing core's generic "doesn't include support" warning. |
| 22 | */ |
| 23 | class Unavailable_Blocks { |
| 24 | |
| 25 | const SCRIPT_HANDLE = 'jetpack-unavailable-blocks-notice'; |
| 26 | |
| 27 | /** |
| 28 | * Blocks that stay registered in the editor while the Blocks module is inactive. |
| 29 | */ |
| 30 | const INDEPENDENT_BLOCKS = array( 'jetpack/contact-form' ); |
| 31 | |
| 32 | /** |
| 33 | * Top-level blocks that packages register, which the plugin's block manifest does not list. |
| 34 | */ |
| 35 | const PACKAGE_BLOCKS = array( |
| 36 | 'jetpack/contact-form', |
| 37 | 'jetpack/podcast-episode', |
| 38 | 'jetpack/paypal-payment-buttons', |
| 39 | 'videopress/video', |
| 40 | 'videopress/all-playlists', |
| 41 | 'videopress/latest-videos-playlist', |
| 42 | 'videopress/playlist', |
| 43 | ); |
| 44 | |
| 45 | /** |
| 46 | * Manifest blocks that a plan or site setting can also keep unregistered. |
| 47 | */ |
| 48 | const CONDITIONAL_BLOCKS = array( 'jetpack/cookie-consent', 'jetpack/voice-to-content', 'jetpack/wordads' ); |
| 49 | |
| 50 | /** |
| 51 | * Hook into the block editor. |
| 52 | * |
| 53 | * @since $$next-version$$ |
| 54 | */ |
| 55 | public static function init() { |
| 56 | add_action( 'enqueue_block_editor_assets', array( __CLASS__, 'enqueue_site_wide_notice' ) ); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Load the standalone notice when no Jetpack block is registered at all. |
| 61 | * |
| 62 | * Otherwise Jetpack's own editor bundle is on the page and carries the same notice. |
| 63 | * |
| 64 | * @since $$next-version$$ |
| 65 | */ |
| 66 | public static function enqueue_site_wide_notice() { |
| 67 | if ( ! wp_should_load_block_editor_scripts_and_styles() ) { |
| 68 | return; |
| 69 | } |
| 70 | |
| 71 | $data = self::get_editor_data(); |
| 72 | if ( null === $data || null === $data['reason'] ) { |
| 73 | return; |
| 74 | } |
| 75 | |
| 76 | Assets::register_script( |
| 77 | self::SCRIPT_HANDLE, |
| 78 | Jetpack_Gutenberg::get_blocks_directory() . 'unavailable-blocks-notice.js', |
| 79 | JETPACK__PLUGIN_FILE, |
| 80 | array( |
| 81 | 'textdomain' => 'jetpack', |
| 82 | 'enqueue' => true, |
| 83 | ) |
| 84 | ); |
| 85 | wp_add_inline_script( |
| 86 | self::SCRIPT_HANDLE, |
| 87 | 'var Jetpack_Unavailable_Blocks = ' . wp_json_encode( $data, JSON_HEX_TAG | JSON_HEX_AMP ) . ';', |
| 88 | 'before' |
| 89 | ); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Get what the standalone notice needs when no Jetpack block from the Blocks module is registered. |
| 94 | * |
| 95 | * @since $$next-version$$ |
| 96 | * |
| 97 | * @return array|null Null when there is nothing site-wide to explain. |
| 98 | */ |
| 99 | public static function get_editor_data() { |
| 100 | // The mobile apps fetch editor assets over REST, where wp-admin links are no use. |
| 101 | if ( Constants::is_true( 'REST_REQUEST' ) ) { |
| 102 | return null; |
| 103 | } |
| 104 | |
| 105 | $reason = self::get_site_wide_reason(); |
| 106 | if ( null === $reason ) { |
| 107 | return null; |
| 108 | } |
| 109 | |
| 110 | $is_disconnected = 'not_connected' === $reason; |
| 111 | $features = array(); |
| 112 | |
| 113 | // The form registers without the Blocks module, so Forms itself can be the cause. |
| 114 | if ( ! ( new Modules() )->is_active( 'contact-form' ) ) { |
| 115 | $forms = self::get_inactive_module_details( 'contact-form' ); |
| 116 | if ( $forms ) { |
| 117 | $features['jetpack/contact-form'] = $forms; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | return array( |
| 122 | 'reason' => $reason, |
| 123 | 'canFix' => current_user_can( $is_disconnected ? 'jetpack_connect' : 'jetpack_manage_modules' ), |
| 124 | 'fixUrl' => admin_url( $is_disconnected ? 'admin.php?page=jetpack' : 'admin.php?page=jetpack#/writing' ), |
| 125 | 'features' => $features, |
| 126 | 'canManageModules' => current_user_can( 'jetpack_manage_modules' ), |
| 127 | 'modulesUrl' => admin_url( 'admin.php?page=jetpack_modules' ), |
| 128 | 'independent' => self::INDEPENDENT_BLOCKS, |
| 129 | 'shipped' => self::get_shipped_blocks(), |
| 130 | ); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Get the reason no Jetpack block from the Blocks module is registered, if there is one. |
| 135 | * |
| 136 | * @since $$next-version$$ |
| 137 | * |
| 138 | * @return string|null `not_connected`, `blocks_module`, `disabled`, or null. |
| 139 | */ |
| 140 | public static function get_site_wide_reason() { |
| 141 | if ( ! Jetpack::is_connection_ready() && ! ( new Status() )->is_offline_mode() ) { |
| 142 | return 'not_connected'; |
| 143 | } |
| 144 | |
| 145 | // Not Jetpack_Gutenberg::should_load(): a filter returning true cannot load an inactive module. |
| 146 | if ( ! ( new Modules() )->is_active( 'blocks' ) ) { |
| 147 | return self::is_forced_off( 'blocks' ) ? 'disabled' : 'blocks_module'; |
| 148 | } |
| 149 | |
| 150 | /** This filter is documented in class.jetpack-gutenberg.php */ |
| 151 | if ( ! apply_filters( 'jetpack_gutenberg', true ) ) { |
| 152 | return 'disabled'; |
| 153 | } |
| 154 | |
| 155 | return null; |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Add each inactive module's name and forced state to blocks that reported one when they bailed out. |
| 160 | * |
| 161 | * @since $$next-version$$ |
| 162 | * |
| 163 | * @param array $availability Block availability, as from Jetpack_Gutenberg::get_availability(). |
| 164 | * @return array The same availability, with module details filled in or dropped. |
| 165 | */ |
| 166 | public static function describe_inactive_modules( $availability ) { |
| 167 | foreach ( (array) $availability as $slug => $entry ) { |
| 168 | if ( isset( $entry['details']['module'] ) && is_string( $entry['details']['module'] ) ) { |
| 169 | $availability[ $slug ]['details'] = self::get_inactive_module_details( $entry['details']['module'] ); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | return $availability; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Describe an inactive module for the editor's explanation of a block that needs it. |
| 178 | * |
| 179 | * @since $$next-version$$ |
| 180 | * |
| 181 | * @param string $module Module slug. |
| 182 | * @return array Module slug, name, and whether it is forced off; empty when the editor should not name it. |
| 183 | */ |
| 184 | public static function get_inactive_module_details( $module ) { |
| 185 | if ( ( new Host() )->is_wpcom_simple() ) { |
| 186 | return array(); |
| 187 | } |
| 188 | |
| 189 | $info = ( new Modules() )->get( $module ); |
| 190 | if ( ! is_array( $info ) ) { |
| 191 | return array(); |
| 192 | } |
| 193 | |
| 194 | // Offline mode keeps connection-dependent modules off, so their toggle would not help. |
| 195 | if ( ! empty( $info['requires_connection'] ) && ( new Status() )->is_offline_mode() ) { |
| 196 | return array(); |
| 197 | } |
| 198 | |
| 199 | // Modules::get() returns the untranslated file header. |
| 200 | $i18n = function_exists( 'jetpack_get_module_i18n' ) ? jetpack_get_module_i18n( $module ) : array(); |
| 201 | |
| 202 | return array( |
| 203 | 'module' => $module, |
| 204 | 'module_name' => ! empty( $i18n['name'] ) ? $i18n['name'] : ( ! empty( $info['name'] ) ? $info['name'] : $module ), |
| 205 | 'forced' => self::is_forced_off( $module ), |
| 206 | ); |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Get the top-level blocks this site would register with nothing turned off. |
| 211 | * |
| 212 | * @since $$next-version$$ |
| 213 | * |
| 214 | * @return string[] Block names. |
| 215 | */ |
| 216 | public static function get_shipped_blocks() { |
| 217 | $manifest_file = JETPACK__PLUGIN_DIR . '_inc/blocks/blocks-manifest.php'; |
| 218 | $manifest = file_exists( $manifest_file ) ? require $manifest_file : array(); |
| 219 | $extensions = Jetpack_Gutenberg::get_available_extensions(); |
| 220 | $blocks = self::PACKAGE_BLOCKS; |
| 221 | |
| 222 | foreach ( (array) $manifest as $extension => $metadata ) { |
| 223 | if ( in_array( $extension, $extensions, true ) && ! empty( $metadata['name'] ) ) { |
| 224 | $blocks[] = $metadata['name']; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | return array_values( array_diff( $blocks, self::CONDITIONAL_BLOCKS ) ); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Whether a filter or the host's feature policy keeps a module inactive. |
| 233 | * |
| 234 | * @param string $module Module slug. |
| 235 | * @return bool |
| 236 | */ |
| 237 | private static function is_forced_off( $module ) { |
| 238 | return 'inactive' === Jetpack_Modules_Overrides::instance()->get_module_override( $module ); |
| 239 | } |
| 240 | } |