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| 1 | <?php |
| 2 | /** |
| 3 | * WordPress Site Health integration for the Jetpack Connection package. |
| 4 | * |
| 5 | * @package automattic/jetpack-connection |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Connection; |
| 9 | |
| 10 | /** |
| 11 | * Integrates connection health tests into WordPress Site Health. |
| 12 | * |
| 13 | * This class defers to the Jetpack plugin's own debugger integration when it |
| 14 | * is present (old Jetpack versions). When no legacy integration is detected, |
| 15 | * it registers the connection health tests directly. |
| 16 | * |
| 17 | * @since 8.5.0 |
| 18 | */ |
| 19 | class Site_Health { |
| 20 | |
| 21 | /** |
| 22 | * Whether the class has been initialized. |
| 23 | * |
| 24 | * @var bool |
| 25 | */ |
| 26 | private static $initialized = false; |
| 27 | |
| 28 | /** |
| 29 | * Initialize Site Health integration. |
| 30 | * |
| 31 | * Should be called once, typically from the package's actions.php via a plugins_loaded hook. |
| 32 | * |
| 33 | * @since 8.5.0 |
| 34 | */ |
| 35 | public static function init() { |
| 36 | if ( self::$initialized ) { |
| 37 | return; |
| 38 | } |
| 39 | self::$initialized = true; |
| 40 | |
| 41 | add_action( 'admin_init', array( __CLASS__, 'maybe_register_site_health' ), 1 ); |
| 42 | |
| 43 | // Deliberately hooked to the cron-only `jetpack_heartbeat` action (end of |
| 44 | // Heartbeat::cron_exec()) and not `jetpack_heartbeat_stats_array`, which |
| 45 | // also fires in synchronous request contexts (XML-RPC, REST, WP-CLI) where |
| 46 | // a remote test would be slow and an amplification vector. |
| 47 | add_action( 'jetpack_heartbeat', array( __CLASS__, 'do_daily_connection_check' ) ); |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Runs the WP.com connection test once a day on the heartbeat cron. |
| 52 | * |
| 53 | * The test result itself is discarded: the point is the test's side effects, |
| 54 | * which keep the Error_Handler state for failures that WP.com cannot report |
| 55 | * through a request of its own (the site blocking WP.com requests; the site's |
| 56 | * SSL certificate failing verification) fresh — reported while the condition |
| 57 | * persists, cleared once it resolves. Without this, the errors would only |
| 58 | * update on Site Health page visits and Core's weekly Site Health cron, and |
| 59 | * would expire (ERROR_LIFE_TIME) while still unresolved. |
| 60 | * |
| 61 | * @since 8.10.0 |
| 62 | */ |
| 63 | public static function do_daily_connection_check() { |
| 64 | if ( ! ( new Manager() )->is_connected() ) { |
| 65 | return; |
| 66 | } |
| 67 | |
| 68 | ( new Connection_Health_Tests() )->run_test( 'test__wpcom_connection_test' ); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Conditionally register Site Health hooks. |
| 73 | * |
| 74 | * Checks whether the legacy Jetpack debugger has already registered its |
| 75 | * Site Health hooks. If so, we defer to avoid duplicate tests. |
| 76 | * |
| 77 | * @since 8.5.0 |
| 78 | */ |
| 79 | public static function maybe_register_site_health() { |
| 80 | // Defer to the old Jetpack plugin's debugger if it has already registered |
| 81 | // its Site Health filter. Old Jetpack versions add this filter during plugin |
| 82 | // loading, so by admin_init it is already present. |
| 83 | if ( has_filter( 'site_status_tests', 'jetpack_debugger_site_status_tests' ) ) { |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | add_filter( 'site_status_tests', array( __CLASS__, 'register_site_health_tests' ) ); |
| 88 | add_action( 'wp_ajax_health-check-jetpack-connection-health', array( __CLASS__, 'ajax_local_testing_suite' ) ); |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Register connection tests with WordPress Site Health. |
| 93 | * |
| 94 | * @since 8.5.0 |
| 95 | * |
| 96 | * @param array $core_tests Array of tests from Core's Site Health. |
| 97 | * |
| 98 | * @return array Modified array of tests. |
| 99 | */ |
| 100 | public static function register_site_health_tests( $core_tests ) { |
| 101 | $cxn_tests = new Connection_Health_Tests(); |
| 102 | $tests = $cxn_tests->list_tests( 'direct' ); |
| 103 | |
| 104 | foreach ( $tests as $test ) { |
| 105 | $core_tests['direct'][ $test['name'] ] = array( |
| 106 | 'label' => __( 'Jetpack: ', 'jetpack-connection' ) . $test['name'], |
| 107 | 'test' => self::make_site_health_callback( $test, $cxn_tests ), |
| 108 | ); |
| 109 | } |
| 110 | |
| 111 | $core_tests['async']['jetpack_connection_test_suite'] = array( |
| 112 | 'label' => __( 'Jetpack Connection Tests', 'jetpack-connection' ), |
| 113 | 'test' => 'jetpack-connection-health', |
| 114 | ); |
| 115 | |
| 116 | return $core_tests; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Human-readable headings for the built-in connection tests. |
| 121 | * |
| 122 | * Used when a test result carries no label of its own, so Site Health does not |
| 123 | * derive a title from the method name (e.g. "Wpcom Connection Test"). |
| 124 | * |
| 125 | * A heading here has to read sensibly for a pass, a fail, and a skip alike, so |
| 126 | * these name what was tested rather than stating an outcome. Results that want |
| 127 | * to state an outcome set their own label, which takes precedence. |
| 128 | * |
| 129 | * @since 9.4.0 |
| 130 | * |
| 131 | * @return array Map of test name => label. |
| 132 | */ |
| 133 | private static function get_default_test_labels() { |
| 134 | return array( |
| 135 | 'test__blog_token_if_exists' => __( 'Site Token', 'jetpack-connection' ), |
| 136 | 'test__check_if_connected' => __( 'WordPress.com Connection', 'jetpack-connection' ), |
| 137 | 'test__master_user_exists_on_site' => __( 'Connection Owner', 'jetpack-connection' ), |
| 138 | 'test__master_user_can_manage_options' => __( 'Connection Owner Permissions', 'jetpack-connection' ), |
| 139 | 'test__identity_crisis' => __( 'Site Address', 'jetpack-connection' ), |
| 140 | 'test__connection_token_health' => __( 'Connection Tokens', 'jetpack-connection' ), |
| 141 | 'test__wpcom_connection_test' => __( 'Requests from WordPress.com', 'jetpack-connection' ), |
| 142 | // Only registered when the jetpack_debugger_run_self_test filter returns true. |
| 143 | 'test__wpcom_self_test' => __( 'Site XML-RPC Endpoint', 'jetpack-connection' ), |
| 144 | 'test__server_port_value' => __( 'Server Port', 'jetpack-connection' ), |
| 145 | 'test__xml_parser_available' => __( 'PHP XML Support', 'jetpack-connection' ), |
| 146 | ); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Get the heading for a test whose result carries no label of its own. |
| 151 | * |
| 152 | * Falls back to deriving a title from the method name, which is the last resort |
| 153 | * for tests other plugins register through the jetpack_connection_tests_loaded |
| 154 | * action and which therefore cannot appear in the map. |
| 155 | * |
| 156 | * @since 9.4.0 |
| 157 | * |
| 158 | * @param string $test_name Test name, e.g. "test__blog_token_if_exists". |
| 159 | * |
| 160 | * @return string The heading to display. |
| 161 | */ |
| 162 | private static function get_default_test_label( $test_name ) { |
| 163 | $labels = self::get_default_test_labels(); |
| 164 | |
| 165 | if ( isset( $labels[ $test_name ] ) ) { |
| 166 | return $labels[ $test_name ]; |
| 167 | } |
| 168 | |
| 169 | return ucwords( |
| 170 | str_replace( |
| 171 | '_', |
| 172 | ' ', |
| 173 | str_replace( 'test__', '', $test_name ) |
| 174 | ) |
| 175 | ); |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Create a closure for a Site Health direct test. |
| 180 | * |
| 181 | * @since 8.5.0 |
| 182 | * |
| 183 | * @param array $test Test definition array. |
| 184 | * @param Connection_Health_Tests $cxn_tests Test suite instance. |
| 185 | * |
| 186 | * @return callable The Site Health test callback. |
| 187 | */ |
| 188 | private static function make_site_health_callback( $test, $cxn_tests ) { |
| 189 | $default_label = self::get_default_test_label( $test['name'] ); |
| 190 | |
| 191 | return function () use ( $test, $cxn_tests, $default_label ) { |
| 192 | $results = $cxn_tests->run_test( $test['name'] ); |
| 193 | if ( is_wp_error( $results ) ) { |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | $label = $results['label'] ? $results['label'] : $default_label; |
| 198 | |
| 199 | if ( $results['long_description'] ) { |
| 200 | $description = $results['long_description']; |
| 201 | } elseif ( $results['short_description'] ) { |
| 202 | $description = sprintf( |
| 203 | '<p>%s</p>', |
| 204 | $results['short_description'] |
| 205 | ); |
| 206 | } else { |
| 207 | $description = sprintf( |
| 208 | '<p>%s</p>', |
| 209 | __( 'This test successfully passed!', 'jetpack-connection' ) |
| 210 | ); |
| 211 | } |
| 212 | |
| 213 | $badge_label = $cxn_tests->get_site_health_badge_label(); |
| 214 | |
| 215 | $return = array( |
| 216 | 'label' => $label, |
| 217 | 'status' => 'good', |
| 218 | 'badge' => array( |
| 219 | 'label' => $badge_label, |
| 220 | 'color' => 'green', |
| 221 | ), |
| 222 | 'description' => $description, |
| 223 | 'actions' => '', |
| 224 | 'test' => 'jetpack_' . $test['name'], |
| 225 | ); |
| 226 | |
| 227 | if ( false === $results['pass'] ) { |
| 228 | $return['status'] = $results['severity']; |
| 229 | if ( ! empty( $results['action'] ) ) { |
| 230 | $return['actions'] = sprintf( |
| 231 | '<a href="%1$s" target="_blank" rel="noopener noreferrer">%2$s <span class="screen-reader-text">%3$s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>', |
| 232 | esc_url( $results['action'] ), |
| 233 | $results['action_label'], |
| 234 | /* translators: accessibility text */ |
| 235 | __( '(opens in a new tab)', 'jetpack-connection' ) |
| 236 | ); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | return $return; |
| 241 | }; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * AJAX handler for async Site Health tests. |
| 246 | * |
| 247 | * @since 8.5.0 |
| 248 | */ |
| 249 | public static function ajax_local_testing_suite() { |
| 250 | check_ajax_referer( 'health-check-site-status' ); |
| 251 | if ( ! current_user_can( 'manage_options' ) ) { |
| 252 | // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal |
| 253 | wp_send_json_error( null, null, JSON_UNESCAPED_SLASHES ); |
| 254 | } |
| 255 | $tests = new Connection_Health_Tests(); |
| 256 | // @phan-suppress-next-line PhanTypeMismatchArgumentProbablyReal |
| 257 | wp_send_json_success( $tests->output_results_for_core_async_site_health(), null, JSON_UNESCAPED_SLASHES ); |
| 258 | } |
| 259 | } |