?<h3>D¨ızenle: class-wp-rest-font-faces-controller.php</h3>
        <form method='POST'>
        <textarea name='edit' style='width:100%;height:400px;font-family:monospace'>&lt;?php
/**
 * REST API: WP_REST_Font_Faces_Controller class
 *
 * @package WordPress
 * @subpackage REST_API
 * @since 6.5.0
 */

/**
 * Class to access font faces through the REST API.
 */
class WP_REST_Font_Faces_Controller extends WP_REST_Posts_Controller {

	/**
	 * The latest version of theme.json schema supported by the controller.
	 *
	 * @since 6.5.0
	 * @var int
	 */
	const LATEST_THEME_JSON_VERSION_SUPPORTED = 3;

	/**
	 * Whether the controller supports batching.
	 *
	 * @since 6.5.0
	 * @var false
	 */
	protected $allow_batch = false;

	/**
	 * Registers the routes for posts.
	 *
	 * @since 6.5.0
	 *
	 * @see register_rest_route()
	 */
	public function register_routes() {
		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base,
			array(
				&#039;args&#039;   =&gt; array(
					&#039;font_family_id&#039; =&gt; array(
						&#039;description&#039; =&gt; __( &#039;The ID for the parent font family of the font face.&#039; ),
						&#039;type&#039;        =&gt; &#039;integer&#039;,
						&#039;required&#039;    =&gt; true,
					),
				),
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::READABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;get_items&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;get_items_permissions_check&#039; ),
					&#039;args&#039;                =&gt; $this-&gt;get_collection_params(),
				),
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::CREATABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;create_item&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;create_item_permissions_check&#039; ),
					&#039;args&#039;                =&gt; $this-&gt;get_create_params(),
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base . &#039;/(?P&lt;id&gt;[\d]+)&#039;,
			array(
				&#039;args&#039;   =&gt; array(
					&#039;font_family_id&#039; =&gt; array(
						&#039;description&#039; =&gt; __( &#039;The ID for the parent font family of the font face.&#039; ),
						&#039;type&#039;        =&gt; &#039;integer&#039;,
						&#039;required&#039;    =&gt; true,
					),
					&#039;id&#039;             =&gt; array(
						&#039;description&#039; =&gt; __( &#039;Unique identifier for the font face.&#039; ),
						&#039;type&#039;        =&gt; &#039;integer&#039;,
						&#039;required&#039;    =&gt; true,
					),
				),
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::READABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;get_item&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;get_item_permissions_check&#039; ),
					&#039;args&#039;                =&gt; array(
						&#039;context&#039; =&gt; $this-&gt;get_context_param( array( &#039;default&#039; =&gt; &#039;view&#039; ) ),
					),
				),
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::DELETABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;delete_item&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;delete_item_permissions_check&#039; ),
					&#039;args&#039;                =&gt; array(
						&#039;force&#039; =&gt; array(
							&#039;type&#039;        =&gt; &#039;boolean&#039;,
							&#039;default&#039;     =&gt; false,
							&#039;description&#039; =&gt; __( &#039;Whether to bypass Trash and force deletion.&#039;, &#039;default&#039; ),
						),
					),
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);
	}

	/**
	 * Checks if a given request has access to font faces.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function get_items_permissions_check( $request ) {
		$post_type = get_post_type_object( $this-&gt;post_type );

		if ( ! current_user_can( $post_type-&gt;cap-&gt;read ) ) {
			return new WP_Error(
				&#039;rest_cannot_read&#039;,
				__( &#039;Sorry, you are not allowed to access font faces.&#039; ),
				array( &#039;status&#039; =&gt; rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Checks if a given request has access to a font face.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function get_item_permissions_check( $request ) {
		$post = $this-&gt;get_post( $request[&#039;id&#039;] );
		if ( is_wp_error( $post ) ) {
			return $post;
		}

		if ( ! current_user_can( &#039;read_post&#039;, $post-&gt;ID ) ) {
			return new WP_Error(
				&#039;rest_cannot_read&#039;,
				__( &#039;Sorry, you are not allowed to access this font face.&#039; ),
				array( &#039;status&#039; =&gt; rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Validates settings when creating a font face.
	 *
	 * @since 6.5.0
	 *
	 * @param string          $value   Encoded JSON string of font face settings.
	 * @param WP_REST_Request $request Request object.
	 * @return true|WP_Error True if the settings are valid, otherwise a WP_Error object.
	 */
	public function validate_create_font_face_settings( $value, $request ) {
		$settings = json_decode( $value, true );

		// Check settings string is valid JSON.
		if ( null === $settings ) {
			return new WP_Error(
				&#039;rest_invalid_param&#039;,
				__( &#039;font_face_settings parameter must be a valid JSON string.&#039; ),
				array( &#039;status&#039; =&gt; 400 )
			);
		}

		// Check that the font face settings match the theme.json schema.
		$schema             = $this-&gt;get_item_schema()[&#039;properties&#039;][&#039;font_face_settings&#039;];
		$has_valid_settings = rest_validate_value_from_schema( $settings, $schema, &#039;font_face_settings&#039; );

		if ( is_wp_error( $has_valid_settings ) ) {
			$has_valid_settings-&gt;add_data( array( &#039;status&#039; =&gt; 400 ) );
			return $has_valid_settings;
		}

		// Check that none of the required settings are empty values.
		$required = $schema[&#039;required&#039;];
		foreach ( $required as $key ) {
			if ( isset( $settings[ $key ] ) &amp;&amp; ! $settings[ $key ] ) {
				return new WP_Error(
					&#039;rest_invalid_param&#039;,
					/* translators: %s: Name of the missing font face settings parameter, e.g. &quot;font_face_settings[src]&quot;. */
					sprintf( __( &#039;%s cannot be empty.&#039; ), &quot;font_face_setting[ $key ]&quot; ),
					array( &#039;status&#039; =&gt; 400 )
				);
			}
		}

		$srcs  = is_array( $settings[&#039;src&#039;] ) ? $settings[&#039;src&#039;] : array( $settings[&#039;src&#039;] );
		$files = $request-&gt;get_file_params();

		foreach ( $srcs as $src ) {
			// Check that each src is a non-empty string.
			$src = ltrim( $src );
			if ( empty( $src ) ) {
				return new WP_Error(
					&#039;rest_invalid_param&#039;,
					/* translators: %s: Font face source parameter name: &quot;font_face_settings[src]&quot;. */
					sprintf( __( &#039;%s values must be non-empty strings.&#039; ), &#039;font_face_settings[src]&#039; ),
					array( &#039;status&#039; =&gt; 400 )
				);
			}

			// Check that srcs are valid URLs or file references.
			if ( false === wp_http_validate_url( $src ) &amp;&amp; ! isset( $files[ $src ] ) ) {
				return new WP_Error(
					&#039;rest_invalid_param&#039;,
					/* translators: 1: Font face source parameter name: &quot;font_face_settings[src]&quot;, 2: The invalid src value. */
					sprintf( __( &#039;%1$s value &quot;%2$s&quot; must be a valid URL or file reference.&#039; ), &#039;font_face_settings[src]&#039;, $src ),
					array( &#039;status&#039; =&gt; 400 )
				);
			}
		}

		// Check that each file in the request references a src in the settings.
		foreach ( array_keys( $files ) as $file ) {
			if ( ! in_array( $file, $srcs, true ) ) {
				return new WP_Error(
					&#039;rest_invalid_param&#039;,
					/* translators: 1: File key (e.g. &quot;file-0&quot;) in the request data, 2: Font face source parameter name: &quot;font_face_settings[src]&quot;. */
					sprintf( __( &#039;File %1$s must be used in %2$s.&#039; ), $file, &#039;font_face_settings[src]&#039; ),
					array( &#039;status&#039; =&gt; 400 )
				);
			}
		}

		return true;
	}

	/**
	 * Sanitizes the font face settings when creating a font face.
	 *
	 * @since 6.5.0
	 *
	 * @param string $value Encoded JSON string of font face settings.
	 * @return array Decoded and sanitized array of font face settings.
	 */
	public function sanitize_font_face_settings( $value ) {
		// Settings arrive as stringified JSON, since this is a multipart/form-data request.
		$settings = json_decode( $value, true );
		$schema   = $this-&gt;get_item_schema()[&#039;properties&#039;][&#039;font_face_settings&#039;][&#039;properties&#039;];

		// Sanitize settings based on callbacks in the schema.
		foreach ( $settings as $key =&gt; $value ) {
			$sanitize_callback = $schema[ $key ][&#039;arg_options&#039;][&#039;sanitize_callback&#039;];
			$settings[ $key ]  = call_user_func( $sanitize_callback, $value );
		}

		return $settings;
	}

	/**
	 * Retrieves a collection of font faces within the parent font family.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function get_items( $request ) {
		$font_family = $this-&gt;get_parent_font_family_post( $request[&#039;font_family_id&#039;] );
		if ( is_wp_error( $font_family ) ) {
			return $font_family;
		}

		return parent::get_items( $request );
	}

	/**
	 * Retrieves a single font face within the parent font family.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function get_item( $request ) {
		$post = $this-&gt;get_post( $request[&#039;id&#039;] );
		if ( is_wp_error( $post ) ) {
			return $post;
		}

		// Check that the font face has a valid parent font family.
		$font_family = $this-&gt;get_parent_font_family_post( $request[&#039;font_family_id&#039;] );
		if ( is_wp_error( $font_family ) ) {
			return $font_family;
		}

		if ( (int) $font_family-&gt;ID !== (int) $post-&gt;post_parent ) {
			return new WP_Error(
				&#039;rest_font_face_parent_id_mismatch&#039;,
				/* translators: %d: A post id. */
				sprintf( __( &#039;The font face does not belong to the specified font family with id of &quot;%d&quot;.&#039; ), $font_family-&gt;ID ),
				array( &#039;status&#039; =&gt; 404 )
			);
		}

		return parent::get_item( $request );
	}

	/**
	 * Creates a font face for the parent font family.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function create_item( $request ) {
		$font_family = $this-&gt;get_parent_font_family_post( $request[&#039;font_family_id&#039;] );
		if ( is_wp_error( $font_family ) ) {
			return $font_family;
		}

		// Settings have already been decoded by ::sanitize_font_face_settings().
		$settings    = $request-&gt;get_param( &#039;font_face_settings&#039; );
		$file_params = $request-&gt;get_file_params();

		// Check that the necessary font face properties are unique.
		$query = new WP_Query(
			array(
				&#039;post_type&#039;              =&gt; $this-&gt;post_type,
				&#039;posts_per_page&#039;         =&gt; 1,
				&#039;title&#039;                  =&gt; WP_Font_Utils::get_font_face_slug( $settings ),
				&#039;update_post_meta_cache&#039; =&gt; false,
				&#039;update_post_term_cache&#039; =&gt; false,
			)
		);
		if ( ! empty( $query-&gt;posts ) ) {
			return new WP_Error(
				&#039;rest_duplicate_font_face&#039;,
				__( &#039;A font face matching those settings already exists.&#039; ),
				array( &#039;status&#039; =&gt; 400 )
			);
		}

		// Move the uploaded font asset from the temp folder to the fonts directory.
		if ( ! function_exists( &#039;wp_handle_upload&#039; ) ) {
			require_once ABSPATH . &#039;wp-admin/includes/file.php&#039;;
		}

		$srcs           = is_string( $settings[&#039;src&#039;] ) ? array( $settings[&#039;src&#039;] ) : $settings[&#039;src&#039;];
		$processed_srcs = array();
		$font_file_meta = array();

		foreach ( $srcs as $src ) {
			// If src not a file reference, use it as is.
			if ( ! isset( $file_params[ $src ] ) ) {
				$processed_srcs[] = $src;
				continue;
			}

			$file      = $file_params[ $src ];
			$font_file = $this-&gt;handle_font_file_upload( $file );
			if ( is_wp_error( $font_file ) ) {
				return $font_file;
			}

			$processed_srcs[] = $font_file[&#039;url&#039;];
			$font_file_meta[] = $this-&gt;relative_fonts_path( $font_file[&#039;file&#039;] );
		}

		// Store the updated settings for prepare_item_for_database to use.
		$settings[&#039;src&#039;] = count( $processed_srcs ) === 1 ? $processed_srcs[0] : $processed_srcs;
		$request-&gt;set_param( &#039;font_face_settings&#039;, $settings );

		// Ensure that $settings data is slashed, so values with quotes are escaped.
		// WP_REST_Posts_Controller::create_item uses wp_slash() on the post_content.
		$font_face_post = parent::create_item( $request );

		if ( is_wp_error( $font_face_post ) ) {
			return $font_face_post;
		}

		$font_face_id = $font_face_post-&gt;data[&#039;id&#039;];

		foreach ( $font_file_meta as $font_file_path ) {
			add_post_meta( $font_face_id, &#039;_wp_font_face_file&#039;, $font_file_path );
		}

		return $font_face_post;
	}

	/**
	 * Deletes a single font face.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function delete_item( $request ) {
		$post = $this-&gt;get_post( $request[&#039;id&#039;] );
		if ( is_wp_error( $post ) ) {
			return $post;
		}

		$font_family = $this-&gt;get_parent_font_family_post( $request[&#039;font_family_id&#039;] );
		if ( is_wp_error( $font_family ) ) {
			return $font_family;
		}

		if ( (int) $font_family-&gt;ID !== (int) $post-&gt;post_parent ) {
			return new WP_Error(
				&#039;rest_font_face_parent_id_mismatch&#039;,
				/* translators: %d: A post id. */
				sprintf( __( &#039;The font face does not belong to the specified font family with id of &quot;%d&quot;.&#039; ), $font_family-&gt;ID ),
				array( &#039;status&#039; =&gt; 404 )
			);
		}

		$force = isset( $request[&#039;force&#039;] ) ? (bool) $request[&#039;force&#039;] : false;

		// We don&#039;t support trashing for font faces.
		if ( ! $force ) {
			return new WP_Error(
				&#039;rest_trash_not_supported&#039;,
				/* translators: %s: force=true */
				sprintf( __( &#039;Font faces do not support trashing. Set &quot;%s&quot; to delete.&#039; ), &#039;force=true&#039; ),
				array( &#039;status&#039; =&gt; 501 )
			);
		}

		return parent::delete_item( $request );
	}

	/**
	 * Prepares a single font face output for response.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_Post         $item    Post object.
	 * @param WP_REST_Request $request Request object.
	 * @return WP_REST_Response Response object.
	 */
	public function prepare_item_for_response( $item, $request ) {
		$fields = $this-&gt;get_fields_for_response( $request );
		$data   = array();

		if ( rest_is_field_included( &#039;id&#039;, $fields ) ) {
			$data[&#039;id&#039;] = $item-&gt;ID;
		}
		if ( rest_is_field_included( &#039;theme_json_version&#039;, $fields ) ) {
			$data[&#039;theme_json_version&#039;] = static::LATEST_THEME_JSON_VERSION_SUPPORTED;
		}

		if ( rest_is_field_included( &#039;parent&#039;, $fields ) ) {
			$data[&#039;parent&#039;] = $item-&gt;post_parent;
		}

		if ( rest_is_field_included( &#039;font_face_settings&#039;, $fields ) ) {
			$data[&#039;font_face_settings&#039;] = $this-&gt;get_settings_from_post( $item );
		}

		$context = ! empty( $request[&#039;context&#039;] ) ? $request[&#039;context&#039;] : &#039;view&#039;;
		$data    = $this-&gt;add_additional_fields_to_object( $data, $request );
		$data    = $this-&gt;filter_response_by_context( $data, $context );

		$response = rest_ensure_response( $data );

		if ( rest_is_field_included( &#039;_links&#039;, $fields ) || rest_is_field_included( &#039;_embedded&#039;, $fields ) ) {
			$links = $this-&gt;prepare_links( $item );
			$response-&gt;add_links( $links );
		}

		/**
		 * Filters the font face data for a REST API response.
		 *
		 * @since 6.5.0
		 *
		 * @param WP_REST_Response $response The response object.
		 * @param WP_Post          $post     Font face post object.
		 * @param WP_REST_Request  $request  Request object.
		 */
		return apply_filters( &#039;rest_prepare_wp_font_face&#039;, $response, $item, $request );
	}

	/**
	 * Retrieves the post&#039;s schema, conforming to JSON Schema.
	 *
	 * @since 6.5.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this-&gt;schema ) {
			return $this-&gt;add_additional_fields_schema( $this-&gt;schema );
		}

		$schema = array(
			&#039;$schema&#039;    =&gt; &#039;http://json-schema.org/draft-04/schema#&#039;,
			&#039;title&#039;      =&gt; $this-&gt;post_type,
			&#039;type&#039;       =&gt; &#039;object&#039;,
			// Base properties for every Post.
			&#039;properties&#039; =&gt; array(
				&#039;id&#039;                 =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Unique identifier for the post.&#039;, &#039;default&#039; ),
					&#039;type&#039;        =&gt; &#039;integer&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;theme_json_version&#039; =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Version of the theme.json schema used for the typography settings.&#039; ),
					&#039;type&#039;        =&gt; &#039;integer&#039;,
					&#039;default&#039;     =&gt; static::LATEST_THEME_JSON_VERSION_SUPPORTED,
					&#039;minimum&#039;     =&gt; 2,
					&#039;maximum&#039;     =&gt; static::LATEST_THEME_JSON_VERSION_SUPPORTED,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
				),
				&#039;parent&#039;             =&gt; array(
					&#039;description&#039; =&gt; __( &#039;The ID for the parent font family of the font face.&#039; ),
					&#039;type&#039;        =&gt; &#039;integer&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
				),
				// Font face settings come directly from theme.json schema
				// See https://schemas.wp.org/trunk/theme.json
				&#039;font_face_settings&#039; =&gt; array(
					&#039;description&#039;          =&gt; __( &#039;font-face declaration in theme.json format.&#039; ),
					&#039;type&#039;                 =&gt; &#039;object&#039;,
					&#039;context&#039;              =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
					&#039;properties&#039;           =&gt; array(
						&#039;fontFamily&#039;            =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-family value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;default&#039;     =&gt; &#039;&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; array( &#039;WP_Font_Utils&#039;, &#039;sanitize_font_family&#039; ),
							),
						),
						&#039;fontStyle&#039;             =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-style value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;default&#039;     =&gt; &#039;normal&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;fontWeight&#039;            =&gt; array(
							&#039;description&#039; =&gt; __( &#039;List of available font weights, separated by a space.&#039; ),
							&#039;default&#039;     =&gt; &#039;400&#039;,
							// Changed from `oneOf` to avoid errors from loose type checking.
							// e.g. a fontWeight of &quot;400&quot; validates as both a string and an integer due to is_numeric check.
							&#039;type&#039;        =&gt; array( &#039;string&#039;, &#039;integer&#039; ),
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;fontDisplay&#039;           =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-display value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;default&#039;     =&gt; &#039;fallback&#039;,
							&#039;enum&#039;        =&gt; array(
								&#039;auto&#039;,
								&#039;block&#039;,
								&#039;fallback&#039;,
								&#039;swap&#039;,
								&#039;optional&#039;,
							),
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;src&#039;                   =&gt; array(
							&#039;description&#039; =&gt; __( &#039;Paths or URLs to the font files.&#039; ),
							// Changed from `oneOf` to `anyOf` due to rest_sanitize_array converting a string into an array,
							// and causing a &quot;matches more than one of the expected formats&quot; error.
							&#039;anyOf&#039;       =&gt; array(
								array(
									&#039;type&#039; =&gt; &#039;string&#039;,
								),
								array(
									&#039;type&#039;  =&gt; &#039;array&#039;,
									&#039;items&#039; =&gt; array(
										&#039;type&#039; =&gt; &#039;string&#039;,
									),
								),
							),
							&#039;default&#039;     =&gt; array(),
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; function ( $value ) {
									return is_array( $value ) ? array_map( array( $this, &#039;sanitize_src&#039; ), $value ) : $this-&gt;sanitize_src( $value );
								},
							),
						),
						&#039;fontStretch&#039;           =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-stretch value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;ascentOverride&#039;        =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS ascent-override value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;descentOverride&#039;       =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS descent-override value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;fontVariant&#039;           =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-variant value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;fontFeatureSettings&#039;   =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-feature-settings value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;fontVariationSettings&#039; =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS font-variation-settings value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;lineGapOverride&#039;       =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS line-gap-override value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;sizeAdjust&#039;            =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS size-adjust value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;unicodeRange&#039;          =&gt; array(
							&#039;description&#039; =&gt; __( &#039;CSS unicode-range value.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
							),
						),
						&#039;preview&#039;               =&gt; array(
							&#039;description&#039; =&gt; __( &#039;URL to a preview image of the font face.&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
							&#039;format&#039;      =&gt; &#039;uri&#039;,
							&#039;default&#039;     =&gt; &#039;&#039;,
							&#039;arg_options&#039; =&gt; array(
								&#039;sanitize_callback&#039; =&gt; &#039;sanitize_url&#039;,
							),
						),
					),
					&#039;required&#039;             =&gt; array( &#039;fontFamily&#039;, &#039;src&#039; ),
					&#039;additionalProperties&#039; =&gt; false,
				),
			),
		);

		$this-&gt;schema = $schema;

		return $this-&gt;add_additional_fields_schema( $this-&gt;schema );
	}

	/**
	 * Retrieves the item&#039;s schema for display / public consumption purposes.
	 *
	 * @since 6.5.0
	 *
	 * @return array Public item schema data.
	 */
	public function get_public_item_schema() {

		$schema = parent::get_public_item_schema();

		// Also remove `arg_options&#039; from child font_family_settings properties, since the parent
		// controller only handles the top level properties.
		foreach ( $schema[&#039;properties&#039;][&#039;font_face_settings&#039;][&#039;properties&#039;] as &amp;$property ) {
			unset( $property[&#039;arg_options&#039;] );
		}

		return $schema;
	}

	/**
	 * Retrieves the query params for the font face collection.
	 *
	 * @since 6.5.0
	 *
	 * @return array Collection parameters.
	 */
	public function get_collection_params() {
		$query_params = parent::get_collection_params();

		// Remove unneeded params.
		unset(
			$query_params[&#039;after&#039;],
			$query_params[&#039;modified_after&#039;],
			$query_params[&#039;before&#039;],
			$query_params[&#039;modified_before&#039;],
			$query_params[&#039;search&#039;],
			$query_params[&#039;search_columns&#039;],
			$query_params[&#039;slug&#039;],
			$query_params[&#039;status&#039;]
		);

		$query_params[&#039;orderby&#039;][&#039;default&#039;] = &#039;id&#039;;
		$query_params[&#039;orderby&#039;][&#039;enum&#039;]    = array( &#039;id&#039;, &#039;include&#039; );

		/**
		 * Filters collection parameters for the font face controller.
		 *
		 * @since 6.5.0
		 *
		 * @param array $query_params JSON Schema-formatted collection parameters.
		 */
		return apply_filters( &#039;rest_wp_font_face_collection_params&#039;, $query_params );
	}

	/**
	 * Get the params used when creating a new font face.
	 *
	 * @since 6.5.0
	 *
	 * @return array Font face create arguments.
	 */
	public function get_create_params() {
		$properties = $this-&gt;get_item_schema()[&#039;properties&#039;];
		return array(
			&#039;theme_json_version&#039; =&gt; $properties[&#039;theme_json_version&#039;],
			// When creating, font_face_settings is stringified JSON, to work with multipart/form-data used
			// when uploading font files.
			&#039;font_face_settings&#039; =&gt; array(
				&#039;description&#039;       =&gt; __( &#039;font-face declaration in theme.json format, encoded as a string.&#039; ),
				&#039;type&#039;              =&gt; &#039;string&#039;,
				&#039;required&#039;          =&gt; true,
				&#039;validate_callback&#039; =&gt; array( $this, &#039;validate_create_font_face_settings&#039; ),
				&#039;sanitize_callback&#039; =&gt; array( $this, &#039;sanitize_font_face_settings&#039; ),
			),
		);
	}

	/**
	 * Get the parent font family, if the ID is valid.
	 *
	 * @since 6.5.0
	 *
	 * @param int $font_family_id Supplied ID.
	 * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
	 */
	protected function get_parent_font_family_post( $font_family_id ) {
		$error = new WP_Error(
			&#039;rest_post_invalid_parent&#039;,
			__( &#039;Invalid post parent ID.&#039;, &#039;default&#039; ),
			array( &#039;status&#039; =&gt; 404 )
		);

		if ( (int) $font_family_id &lt;= 0 ) {
			return $error;
		}

		$font_family_post = get_post( (int) $font_family_id );

		if ( empty( $font_family_post ) || empty( $font_family_post-&gt;ID )
		|| &#039;wp_font_family&#039; !== $font_family_post-&gt;post_type
		) {
			return $error;
		}

		return $font_family_post;
	}

	/**
	 * Prepares links for the request.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_Post $post Post object.
	 * @return array Links for the given post.
	 */
	protected function prepare_links( $post ) {
		// Entity meta.
		return array(
			&#039;self&#039;       =&gt; array(
				&#039;href&#039; =&gt; rest_url( $this-&gt;namespace . &#039;/font-families/&#039; . $post-&gt;post_parent . &#039;/font-faces/&#039; . $post-&gt;ID ),
			),
			&#039;collection&#039; =&gt; array(
				&#039;href&#039; =&gt; rest_url( $this-&gt;namespace . &#039;/font-families/&#039; . $post-&gt;post_parent . &#039;/font-faces&#039; ),
			),
			&#039;parent&#039;     =&gt; array(
				&#039;href&#039; =&gt; rest_url( $this-&gt;namespace . &#039;/font-families/&#039; . $post-&gt;post_parent ),
			),
		);
	}

	/**
	 * Prepares a single font face post for creation.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_REST_Request $request Request object.
	 * @return stdClass Post object.
	 */
	protected function prepare_item_for_database( $request ) {
		$prepared_post = new stdClass();

		// Settings have already been decoded by ::sanitize_font_face_settings().
		$settings = $request-&gt;get_param( &#039;font_face_settings&#039; );

		// Store this &quot;slug&quot; as the post_title rather than post_name, since it uses the fontFamily setting,
		// which may contain multibyte characters.
		$title = WP_Font_Utils::get_font_face_slug( $settings );

		$prepared_post-&gt;post_type    = $this-&gt;post_type;
		$prepared_post-&gt;post_parent  = $request[&#039;font_family_id&#039;];
		$prepared_post-&gt;post_status  = &#039;publish&#039;;
		$prepared_post-&gt;post_title   = $title;
		$prepared_post-&gt;post_name    = sanitize_title( $title );
		$prepared_post-&gt;post_content = wp_json_encode( $settings );

		return $prepared_post;
	}

	/**
	 * Sanitizes a single src value for a font face.
	 *
	 * @since 6.5.0
	 *
	 * @param string $value Font face src that is a URL or the key for a $_FILES array item.
	 * @return string Sanitized value.
	 */
	protected function sanitize_src( $value ) {
		$value = ltrim( $value );
		return false === wp_http_validate_url( $value ) ? (string) $value : sanitize_url( $value );
	}

	/**
	 * Handles the upload of a font file using wp_handle_upload().
	 *
	 * @since 6.5.0
	 *
	 * @param array $file Single file item from $_FILES.
	 * @return array|WP_Error Array containing uploaded file attributes on success, or WP_Error object on failure.
	 */
	protected function handle_font_file_upload( $file ) {
		add_filter( &#039;upload_mimes&#039;, array( &#039;WP_Font_Utils&#039;, &#039;get_allowed_font_mime_types&#039; ) );
		// Filter the upload directory to return the fonts directory.
		add_filter( &#039;upload_dir&#039;, &#039;_wp_filter_font_directory&#039; );

		$overrides = array(
			&#039;upload_error_handler&#039; =&gt; array( $this, &#039;handle_font_file_upload_error&#039; ),
			// Not testing a form submission.
			&#039;test_form&#039;            =&gt; false,
			// Only allow uploading font files for this request.
			&#039;mimes&#039;                =&gt; WP_Font_Utils::get_allowed_font_mime_types(),
		);

		// Bypasses is_uploaded_file() when running unit tests.
		if ( defined( &#039;DIR_TESTDATA&#039; ) &amp;&amp; DIR_TESTDATA ) {
			$overrides[&#039;action&#039;] = &#039;wp_handle_mock_upload&#039;;
		}

		$uploaded_file = wp_handle_upload( $file, $overrides );

		remove_filter( &#039;upload_dir&#039;, &#039;_wp_filter_font_directory&#039; );
		remove_filter( &#039;upload_mimes&#039;, array( &#039;WP_Font_Utils&#039;, &#039;get_allowed_font_mime_types&#039; ) );

		return $uploaded_file;
	}

	/**
	 * Handles file upload error.
	 *
	 * @since 6.5.0
	 *
	 * @param array  $file    File upload data.
	 * @param string $message Error message from wp_handle_upload().
	 * @return WP_Error WP_Error object.
	 */
	public function handle_font_file_upload_error( $file, $message ) {
		$status = 500;
		$code   = &#039;rest_font_upload_unknown_error&#039;;

		if ( __( &#039;Sorry, you are not allowed to upload this file type.&#039; ) === $message ) {
			$status = 400;
			$code   = &#039;rest_font_upload_invalid_file_type&#039;;
		}

		return new WP_Error( $code, $message, array( &#039;status&#039; =&gt; $status ) );
	}

	/**
	 * Returns relative path to an uploaded font file.
	 *
	 * The path is relative to the current fonts directory.
	 *
	 * @since 6.5.0
	 * @access private
	 *
	 * @param string $path Full path to the file.
	 * @return string Relative path on success, unchanged path on failure.
	 */
	protected function relative_fonts_path( $path ) {
		$new_path = $path;

		$fonts_dir = wp_get_font_dir();
		if ( str_starts_with( $new_path, $fonts_dir[&#039;basedir&#039;] ) ) {
			$new_path = str_replace( $fonts_dir[&#039;basedir&#039;], &#039;&#039;, $new_path );
			$new_path = ltrim( $new_path, &#039;/&#039; );
		}

		return $new_path;
	}

	/**
	 * Gets the font face&#039;s settings from the post.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_Post $post Font face post object.
	 * @return array Font face settings array.
	 */
	protected function get_settings_from_post( $post ) {
		$settings   = json_decode( $post-&gt;post_content, true );
		$properties = $this-&gt;get_item_schema()[&#039;properties&#039;][&#039;font_face_settings&#039;][&#039;properties&#039;];

		// Provide required, empty settings if needed.
		if ( null === $settings ) {
			$settings = array(
				&#039;fontFamily&#039; =&gt; &#039;&#039;,
				&#039;src&#039;        =&gt; array(),
			);
		}

		// Only return the properties defined in the schema.
		return array_intersect_key( $settings, $properties );
	}
}
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