← All changes | json-endpoints/class.wpcom-json-api-render-embed-reversal-endpoint.php +144 -0 16.2-beta → 16.3 View file →

		@@ -1,0 +1,144 @@
	1	+<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
	2	+
	3	+if ( ! defined( 'ABSPATH' ) ) {
	4	+ exit( 0 );
	5	+}
	6	+
	7	+new WPCOM_JSON_API_Render_Embed_Reversal_Endpoint(
	8	+ array(
	9	+ 'description' => 'Determines if the given embed code can be reversed into a single line embed or a shortcode, and if so returns the embed or shortcode. Note: The current user must have publishing access.',
	10	+ 'group' => '__do_not_document',
	11	+ 'stat' => 'embeds:reversal',
	12	+ 'method' => 'POST',
	13	+ 'path' => '/sites/%s/embeds/reversal',
	14	+ 'path_labels' => array(
	15	+ '$site' => '(int|string) Site ID or domain',
	16	+ ),
	17	+ 'request_format' => array(
	18	+ 'maybe_embed' => '(string) The embed code to reverse. Required. Only accepts one at a time.',
	19	+ ),
	20	+ 'response_format' => array(
	21	+ 'maybe_embed' => '(string) The original embed code that was passed in for rendering.',
	22	+ 'reversal_type' => '(string) The type of reversal. Either an embed or a shortcode.',
	23	+ 'render_result' => '(html) The rendered HTML result of the embed or shortcode.',
	24	+ 'result' => '(string) The reversed content. Either a single line embed or a shortcode.',
	25	+ 'scripts' => '(array) An array of JavaScript files needed to render the embed or shortcode. Returned in the format of <code>{ "script-slug" : { "src": "http://example.com/file.js", "extra" : "" } }</code> where extra contains any neccessary extra JS for initializing the source file and src contains the script to load. Omitted if no scripts are neccessary.',
	26	+ 'styles' => '(array) An array of CSS files needed to render the embed or shortcode. Returned in the format of <code>{ "style-slug" : { "src": "http://example.com/file.css", "media" : "all" } }</code>. Omitted if no styles are neccessary.',
	27	+ ),
	28	+ 'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/82974409/shortcode-reversals/render/',
	29	+ 'example_request_data' => array(
	30	+ 'headers' => array(
	31	+ 'authorization' => 'Bearer YOUR_API_TOKEN',
	32	+ ),
	33	+
	34	+ 'body' => array(
	35	+ 'maybe_embed' => '<iframe width="480" height="302" src="http://www.ustream.tv/embed/recorded/26370522/highlight/299667?v=3&amp;wmode=direct" scrolling="no" frameborder="0"></iframe>',
	36	+ ),
	37	+ ),
	38	+ )
	39	+);
	40	+
	41	+/**
	42	+ * Render embed reversal class.
	43	+ *
	44	+ * /sites/%s/embeds/reversal -> $blog_id
	45	+ *
	46	+ * @phan-constructor-used-for-side-effects
	47	+ */
	48	+class WPCOM_JSON_API_Render_Embed_Reversal_Endpoint extends WPCOM_JSON_API_Render_Endpoint {
	49	+ /**
	50	+ * API callback.
	51	+ *
	52	+ * @param string $path - the path (unused).
	53	+ * @param int $blog_id - the blog ID.
	54	+ *
	55	+ * @return array|WP_Error
	56	+ */
	57	+ public function callback( $path = '', $blog_id = 0 ) {
	58	+ $blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
	59	+ if ( is_wp_error( $blog_id ) ) {
	60	+ return $blog_id;
	61	+ }
	62	+
	63	+ if ( ! current_user_can( 'edit_posts' ) ) {
	64	+ return new WP_Error( 'unauthorized', 'Your token must have permission to post on this blog.', 403 );
	65	+ }
	66	+
	67	+ $is_embed = false;
	68	+ $is_shortcode = false;
	69	+
	70	+ $input = $this->input( true );
	71	+ $maybe_embed = trim( $input['maybe_embed'] );
	72	+ if ( empty( $maybe_embed ) ) {
	73	+ return new WP_Error( 'empty_embed', 'Please provide an embed code to process.', 400 );
	74	+ }
	75	+
	76	+ $ksesed_content = trim( wp_strip_all_tags( wp_kses_post( $maybe_embed ), true ) );
	77	+ if ( empty( $ksesed_content ) ) {
	78	+ return new WP_Error( 'invalid_embed', 'Invalid or empty embed provided.', 400 );
	79	+ }
	80	+
	81	+ $shortcode_pattern = get_shortcode_regex();
	82	+ $url_pattern = '/^http(s)?:\/\/[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(\/.*)?$/i';
	83	+ preg_match_all( "/$shortcode_pattern/s", $ksesed_content, $shortcode_matches );
	84	+ preg_match_all( "$url_pattern", $ksesed_content, $url_matches );
	85	+
	86	+ if ( empty( $shortcode_matches[0] ) && empty( $url_matches[0] ) ) {
	87	+ return new WP_Error( 'invalid_embed', 'The provided embed is not supported.', 400 );
	88	+ }
	89	+
	90	+ $shortcode_matches_count = is_countable( $shortcode_matches[0] ) ? count( $shortcode_matches[0] ) : 0;
	91	+ $url_matches_count = is_countable( $url_matches[0] ) ? count( $url_matches[0] ) : 0;
	92	+ if ( ( $shortcode_matches_count + $url_matches_count ) > 1 ) {
	93	+ return new WP_Error( 'invalid_embed', 'Only one embed/shortcode reversal can be rendered at a time.', 400 );
	94	+ }
	95	+
	96	+ if ( ! empty( $shortcode_matches[0] ) ) {
	97	+ $is_shortcode = true;
	98	+ } elseif ( ! empty( $url_matches[0] ) ) {
	99	+ $is_embed = true;
	100	+ }
	101	+
	102	+ $render = $this->process_render(
	103	+ array( $this, 'render_shortcode_reversal' ),
	104	+ array(
	105	+ 'shortcode_reversal' => $ksesed_content,
	106	+ 'is_shortcode' => $is_shortcode,
	107	+ 'is_embed' => $is_embed,
	108	+ )
	109	+ );
	110	+
	111	+ // if nothing happened, then the shortcode does not exist.
	112	+ global $wp_embed;
	113	+ if ( empty( $render ) || empty( $render['result'] ) || $ksesed_content === $render['result'] || $wp_embed->maybe_make_link( $maybe_embed ) === $render['result'] ) {
	114	+ return new WP_Error( 'invalid_embed', 'The provided embed is not supported.', 400 );
	115	+ }
	116	+
	117	+ // our output for this endpoint..
	118	+ $return = array();
	119	+ $return['maybe_embed'] = $maybe_embed;
	120	+ $return['result'] = $ksesed_content;
	121	+ $return['reversal_type'] = ( $is_embed ) ? 'embed' : 'shortcode';
	122	+ $return['render_result'] = $render['result'];
	123	+
	124	+ $return = $this->add_assets( $return, $render['loaded_scripts'], $render['loaded_styles'] );
	125	+
	126	+ return $return;
	127	+ }
	128	+
	129	+ /**
	130	+ * Render the shortcode reversal.
	131	+ *
	132	+ * @param array $args - the arguments.
	133	+ *
	134	+ * @return mixed|false
	135	+ */
	136	+ public function render_shortcode_reversal( $args ) {
	137	+ if ( $args['is_shortcode'] ) {
	138	+ return $this->do_shortcode( $args['shortcode_reversal'] );
	139	+ } elseif ( $args['is_embed'] ) {
	140	+ return $this->do_embed( $args['shortcode_reversal'] );
	141	+ }
	142	+ return false;
	143	+ }
	144	+}