?<h3>D¨ızenle: class-wp-rest-site-health-controller.php</h3>
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/**
 * REST API: WP_REST_Site_Health_Controller class
 *
 * @package WordPress
 * @subpackage REST_API
 * @since 5.6.0
 */

/**
 * Core class for interacting with Site Health tests.
 *
 * @since 5.6.0
 *
 * @see WP_REST_Controller
 */
class WP_REST_Site_Health_Controller extends WP_REST_Controller {

	/**
	 * An instance of the site health class.
	 *
	 * @since 5.6.0
	 *
	 * @var WP_Site_Health
	 */
	private $site_health;

	/**
	 * Site Health controller constructor.
	 *
	 * @since 5.6.0
	 *
	 * @param WP_Site_Health $site_health An instance of the site health class.
	 */
	public function __construct( $site_health ) {
		$this-&gt;namespace = &#039;wp-site-health/v1&#039;;
		$this-&gt;rest_base = &#039;tests&#039;;

		$this-&gt;site_health = $site_health;
	}

	/**
	 * Registers API routes.
	 *
	 * @since 5.6.0
	 * @since 6.1.0 Adds page-cache async test.
	 *
	 * @see register_rest_route()
	 */
	public function register_routes() {
		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s/%s&#039;,
				$this-&gt;rest_base,
				&#039;background-updates&#039;
			),
			array(
				array(
					&#039;methods&#039;             =&gt; &#039;GET&#039;,
					&#039;callback&#039;            =&gt; array( $this, &#039;test_background_updates&#039; ),
					&#039;permission_callback&#039; =&gt; function () {
						return $this-&gt;validate_request_permission( &#039;background_updates&#039; );
					},
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s/%s&#039;,
				$this-&gt;rest_base,
				&#039;loopback-requests&#039;
			),
			array(
				array(
					&#039;methods&#039;             =&gt; &#039;GET&#039;,
					&#039;callback&#039;            =&gt; array( $this, &#039;test_loopback_requests&#039; ),
					&#039;permission_callback&#039; =&gt; function () {
						return $this-&gt;validate_request_permission( &#039;loopback_requests&#039; );
					},
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s/%s&#039;,
				$this-&gt;rest_base,
				&#039;https-status&#039;
			),
			array(
				array(
					&#039;methods&#039;             =&gt; &#039;GET&#039;,
					&#039;callback&#039;            =&gt; array( $this, &#039;test_https_status&#039; ),
					&#039;permission_callback&#039; =&gt; function () {
						return $this-&gt;validate_request_permission( &#039;https_status&#039; );
					},
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s/%s&#039;,
				$this-&gt;rest_base,
				&#039;dotorg-communication&#039;
			),
			array(
				array(
					&#039;methods&#039;             =&gt; &#039;GET&#039;,
					&#039;callback&#039;            =&gt; array( $this, &#039;test_dotorg_communication&#039; ),
					&#039;permission_callback&#039; =&gt; function () {
						return $this-&gt;validate_request_permission( &#039;dotorg_communication&#039; );
					},
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s/%s&#039;,
				$this-&gt;rest_base,
				&#039;authorization-header&#039;
			),
			array(
				array(
					&#039;methods&#039;             =&gt; &#039;GET&#039;,
					&#039;callback&#039;            =&gt; array( $this, &#039;test_authorization_header&#039; ),
					&#039;permission_callback&#039; =&gt; function () {
						return $this-&gt;validate_request_permission( &#039;authorization_header&#039; );
					},
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s&#039;,
				&#039;directory-sizes&#039;
			),
			array(
				&#039;methods&#039;             =&gt; &#039;GET&#039;,
				&#039;callback&#039;            =&gt; array( $this, &#039;get_directory_sizes&#039; ),
				&#039;permission_callback&#039; =&gt; function () {
					return $this-&gt;validate_request_permission( &#039;directory_sizes&#039; ) &amp;&amp; ! is_multisite();
				},
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			sprintf(
				&#039;/%s/%s&#039;,
				$this-&gt;rest_base,
				&#039;page-cache&#039;
			),
			array(
				array(
					&#039;methods&#039;             =&gt; &#039;GET&#039;,
					&#039;callback&#039;            =&gt; array( $this, &#039;test_page_cache&#039; ),
					&#039;permission_callback&#039; =&gt; function () {
						return $this-&gt;validate_request_permission( &#039;page_cache&#039; );
					},
				),
			)
		);
	}

	/**
	 * Validates if the current user can request this REST endpoint.
	 *
	 * @since 5.6.0
	 *
	 * @param string $check The endpoint check being ran.
	 * @return bool
	 */
	protected function validate_request_permission( $check ) {
		$default_capability = &#039;view_site_health_checks&#039;;

		/**
		 * Filters the capability needed to run a given Site Health check.
		 *
		 * @since 5.6.0
		 *
		 * @param string $default_capability The default capability required for this check.
		 * @param string $check              The Site Health check being performed.
		 */
		$capability = apply_filters( &quot;site_health_test_rest_capability_{$check}&quot;, $default_capability, $check );

		return current_user_can( $capability );
	}

	/**
	 * Checks if background updates work as expected.
	 *
	 * @since 5.6.0
	 *
	 * @return array
	 */
	public function test_background_updates() {
		$this-&gt;load_admin_textdomain();
		return $this-&gt;site_health-&gt;get_test_background_updates();
	}

	/**
	 * Checks that the site can reach the WordPress.org API.
	 *
	 * @since 5.6.0
	 *
	 * @return array
	 */
	public function test_dotorg_communication() {
		$this-&gt;load_admin_textdomain();
		return $this-&gt;site_health-&gt;get_test_dotorg_communication();
	}

	/**
	 * Checks that loopbacks can be performed.
	 *
	 * @since 5.6.0
	 *
	 * @return array
	 */
	public function test_loopback_requests() {
		$this-&gt;load_admin_textdomain();
		return $this-&gt;site_health-&gt;get_test_loopback_requests();
	}

	/**
	 * Checks that the site&#039;s frontend can be accessed over HTTPS.
	 *
	 * @since 5.7.0
	 *
	 * @return array
	 */
	public function test_https_status() {
		$this-&gt;load_admin_textdomain();
		return $this-&gt;site_health-&gt;get_test_https_status();
	}

	/**
	 * Checks that the authorization header is valid.
	 *
	 * @since 5.6.0
	 *
	 * @return array
	 */
	public function test_authorization_header() {
		$this-&gt;load_admin_textdomain();
		return $this-&gt;site_health-&gt;get_test_authorization_header();
	}

	/**
	 * Checks that full page cache is active.
	 *
	 * @since 6.1.0
	 *
	 * @return array The test result.
	 */
	public function test_page_cache() {
		$this-&gt;load_admin_textdomain();
		return $this-&gt;site_health-&gt;get_test_page_cache();
	}

	/**
	 * Gets the current directory sizes for this install.
	 *
	 * @since 5.6.0
	 *
	 * @return array|WP_Error
	 */
	public function get_directory_sizes() {
		if ( ! class_exists( &#039;WP_Debug_Data&#039; ) ) {
			require_once ABSPATH . &#039;wp-admin/includes/class-wp-debug-data.php&#039;;
		}

		$this-&gt;load_admin_textdomain();

		$sizes_data = WP_Debug_Data::get_sizes();
		$all_sizes  = array( &#039;raw&#039; =&gt; 0 );

		foreach ( $sizes_data as $name =&gt; $value ) {
			$name = sanitize_text_field( $name );
			$data = array();

			if ( isset( $value[&#039;size&#039;] ) ) {
				if ( is_string( $value[&#039;size&#039;] ) ) {
					$data[&#039;size&#039;] = sanitize_text_field( $value[&#039;size&#039;] );
				} else {
					$data[&#039;size&#039;] = (int) $value[&#039;size&#039;];
				}
			}

			if ( isset( $value[&#039;debug&#039;] ) ) {
				if ( is_string( $value[&#039;debug&#039;] ) ) {
					$data[&#039;debug&#039;] = sanitize_text_field( $value[&#039;debug&#039;] );
				} else {
					$data[&#039;debug&#039;] = (int) $value[&#039;debug&#039;];
				}
			}

			if ( ! empty( $value[&#039;raw&#039;] ) ) {
				$data[&#039;raw&#039;] = (int) $value[&#039;raw&#039;];
			}

			$all_sizes[ $name ] = $data;
		}

		if ( isset( $all_sizes[&#039;total_size&#039;][&#039;debug&#039;] ) &amp;&amp; &#039;not available&#039; === $all_sizes[&#039;total_size&#039;][&#039;debug&#039;] ) {
			return new WP_Error( &#039;not_available&#039;, __( &#039;Directory sizes could not be returned.&#039; ), array( &#039;status&#039; =&gt; 500 ) );
		}

		return $all_sizes;
	}

	/**
	 * Loads the admin textdomain for Site Health tests.
	 *
	 * The {@see WP_Site_Health} class is defined in WP-Admin, while the REST API operates in a front-end context.
	 * This means that the translations for Site Health won&#039;t be loaded by default in {@see load_default_textdomain()}.
	 *
	 * @since 5.6.0
	 */
	protected function load_admin_textdomain() {
		// Accounts for inner REST API requests in the admin.
		if ( ! is_admin() ) {
			$locale = determine_locale();
			load_textdomain( &#039;default&#039;, WP_LANG_DIR . &quot;/admin-$locale.mo&quot;, $locale );
		}
	}

	/**
	 * Gets the schema for each site health test.
	 *
	 * @since 5.6.0
	 *
	 * @return array The test schema.
	 */
	public function get_item_schema() {
		if ( $this-&gt;schema ) {
			return $this-&gt;schema;
		}

		$this-&gt;schema = array(
			&#039;$schema&#039;    =&gt; &#039;http://json-schema.org/draft-04/schema#&#039;,
			&#039;title&#039;      =&gt; &#039;wp-site-health-test&#039;,
			&#039;type&#039;       =&gt; &#039;object&#039;,
			&#039;properties&#039; =&gt; array(
				&#039;test&#039;        =&gt; array(
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;description&#039; =&gt; __( &#039;The name of the test being run.&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;label&#039;       =&gt; array(
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;description&#039; =&gt; __( &#039;A label describing the test.&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;status&#039;      =&gt; array(
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;description&#039; =&gt; __( &#039;The status of the test.&#039; ),
					&#039;enum&#039;        =&gt; array( &#039;good&#039;, &#039;recommended&#039;, &#039;critical&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;badge&#039;       =&gt; array(
					&#039;type&#039;        =&gt; &#039;object&#039;,
					&#039;description&#039; =&gt; __( &#039;The category this test is grouped in.&#039; ),
					&#039;properties&#039;  =&gt; array(
						&#039;label&#039; =&gt; array(
							&#039;type&#039;     =&gt; &#039;string&#039;,
							&#039;readonly&#039; =&gt; true,
						),
						&#039;color&#039; =&gt; array(
							&#039;type&#039;     =&gt; &#039;string&#039;,
							&#039;enum&#039;     =&gt; array( &#039;blue&#039;, &#039;orange&#039;, &#039;red&#039;, &#039;green&#039;, &#039;purple&#039;, &#039;gray&#039; ),
							&#039;readonly&#039; =&gt; true,
						),
					),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;description&#039; =&gt; array(
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;description&#039; =&gt; __( &#039;A more descriptive explanation of what the test looks for, and why it is important for the user.&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;actions&#039;     =&gt; array(
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;description&#039; =&gt; __( &#039;HTML containing an action to direct the user to where they can resolve the issue.&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
			),
		);

		return $this-&gt;schema;
	}
}
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