getty.php — Jetpack – WP Security, Backup, Speed, & Growth 16.0-beta

jetpack / modules / shortcodes / getty.php

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getty.php

230 lines

1	<?php
2	/**
3	* Getty shortcode
4	*
5	* [getty src="82278805" width="$width" height="$height"]
6	* <div class="getty embed image" style="background-color:#fff;display:inline-block;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#a7a7a7;font-size:11px;width:100%;max-width:462px;"><div style="padding:0;margin:0;text-align:left;"><a href="http://www.gettyimages.com/detail/82278805" target="_blank" style="color:#a7a7a7;text-decoration:none;font-weight:normal !important;border:none;display:inline-block;">Embed from Getty Images</a></div><div style="overflow:hidden;position:relative;height:0;padding:80.086580% 0 0 0;width:100%;"><iframe src="//embed.gettyimages.com/embed/82278805?et=jGiu6FXXSpJDGf1SnwLV2g&sig=TFVNFtqghwNw5iJQ1MFWnI8f4Y40_sfogfZLhai6SfA=" width="462" height="370" scrolling="no" frameborder="0" style="display:inline-block;position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></div><p style="margin:0;"></p></div>
7	*
8	* @package automattic/jetpack
9	*/
10
11	if ( ! defined( 'ABSPATH' ) ) {
12	exit( 0 );
13	}
14
15	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
16	add_action( 'init', 'jetpack_getty_enable_embeds' );
17	} else {
18	jetpack_getty_enable_embeds();
19	}
20
21	/**
22	* Register Getty as oembed provider. Add filter to reverse iframes to shortcode. Register [getty] shortcode.
23	*
24	* @since 4.5.0
25	* @since 5.8.0 removed string parameter.
26	*/
27	function jetpack_getty_enable_embeds() {
28
29	// Support their oEmbed Endpoint.
30	wp_oembed_add_provider( '#https?://www\.gettyimages\.com/detail/.*#i', 'https://embed.gettyimages.com/oembed/', true );
31	wp_oembed_add_provider( '#https?://(www\.)?gty\.im/.*#i', 'https://embed.gettyimages.com/oembed/', true );
32
33	if ( jetpack_shortcodes_should_hook_pre_kses() ) {
34	// Allow iframes to be filtered to short code (so direct copy+paste can be done).
35	add_filter( 'pre_kses', 'wpcom_shortcodereverse_getty' );
36	}
37
38	// Actually display the Getty Embed.
39	add_shortcode( 'getty', 'jetpack_getty_shortcode' );
40	}
41
42	/**
43	* Filters the oEmbed provider URL for Getty URLs to include site URL host as
44	* caller if available, falling back to "wordpress.com". Must be applied at
45	* time of embed in case that `init` is too early (WP.com REST API).
46	*
47	* @module shortcodes
48	*
49	* @since 5.8.0
50	*
51	* @see WP_oEmbed::fetch
52	*
53	* @return string oEmbed provider URL
54	*/
55	add_filter( 'oembed_fetch_url', 'getty_add_oembed_endpoint_caller' );
56
57	/**
58	* Filter the embeds to add a caller parameter.
59	*
60	* @param string $provider URL of the oEmbed provider.
61	*/
62	function getty_add_oembed_endpoint_caller( $provider ) {
63	// By time filter is called, original provider URL has had url, maxwidth,
64	// maxheight query parameters added.
65	if ( ! str_starts_with( $provider, 'https://embed.gettyimages.com/oembed/' ) ) {
66	return $provider;
67	}
68
69	// Set the caller argument to pass to Getty's oembed provider.
70	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
71
72	// Only include caller for non-private sites.
73	if ( ! function_exists( 'is_private_blog' ) \|\| ! is_private_blog() ) {
74	$host = wp_parse_url( get_bloginfo( 'url' ), PHP_URL_HOST );
75	}
76
77	// Fall back to WordPress.com.
78	if ( empty( $host ) ) {
79	$host = 'wordpress.com';
80	}
81	} else {
82	$host = wp_parse_url( get_home_url(), PHP_URL_HOST );
83	}
84
85	return add_query_arg( 'caller', $host, $provider );
86	}
87
88	/**
89	* Compose shortcode based on Getty iframes.
90	*
91	* @since 4.5.0
92	*
93	* @param string $content Post content.
94	*
95	* @return mixed
96	*/
97	function wpcom_shortcodereverse_getty( $content ) {
98	if ( ! is_string( $content ) \|\| false === stripos( $content, '.gettyimages.com/' ) ) {
99	return $content;
100	}
101
102	$regexp = '!<iframe\s+src=[\'"](https?:)?//embed\.gettyimages\.com/embed(/\|/?\?assets=)([a-z0-9_-]+(,[a-z0-9_-]+))[^\'"]?[\'"]((?:\s+\w+=[\'"][^\'"][\'"]))((?:[\s\w]*))></iframe>!i';
103	$regexp_ent = str_replace( '&#058;', '&#058;\|&#0*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) );
104
105	// Markup pattern for 2017 embed syntax with significant differences from the prior pattern.
106	$regexp_2017 = '!<a.+?class=\'gie-(single\|slideshow)\'.+?gie\.widgets\.load${([^}]+)}$.+?embed-cdn\.gettyimages\.com/widgets\.js.+?</script>!';
107	$regexp_2017_ent = str_replace( '&#058;', '&#058;\|&#0*58;', htmlspecialchars( $regexp_2017, ENT_NOQUOTES ) );
108
109	foreach ( compact( 'regexp_2017', 'regexp_2017_ent', 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
110	if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
111	continue;
112	}
113
114	foreach ( $matches as $match ) {
115	if ( 'regexp_2017' === $reg \|\| 'regexp_2017_ent' === $reg ) {
116	// Extract individual keys from the matched JavaScript object.
117	$params = $match[2];
118	if ( ! preg_match_all( '!(?P<key>\w+)\s:\s([\'"](?P<value>[^\'"]*?)(px)?[\'"])!', $params, $key_matches, PREG_SET_ORDER ) ) {
119	continue;
120	}
121
122	foreach ( $key_matches as $key_match ) {
123	switch ( $key_match['key'] ) {
124	case 'items':
125	$ids = $key_match['value'];
126	break;
127	case 'w':
128	$width = (int) $key_match['value'];
129	break;
130	case 'h':
131	$height = (int) $key_match['value'];
132	break;
133	case 'tld':
134	$tld = $key_match['value'];
135	break;
136	}
137	}
138	} else {
139	$params = $match[5];
140	if ( 'regexp_ent' === $reg ) {
141	$params = html_entity_decode( $params, ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401 );
142	}
143	$params = wp_kses_hair( $params, array( 'http' ) );
144
145	$ids = esc_html( $match[3] );
146	$width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0;
147	$height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0;
148	}
149
150	if ( empty( $ids ) ) {
151	continue;
152	}
153
154	$shortcode = '[getty src="' . esc_attr( $ids ) . '"';
155	if ( ! empty( $width ) ) {
156	$shortcode .= ' width="' . esc_attr( $width ) . '"';
157	}
158	if ( ! empty( $height ) ) {
159	$shortcode .= ' height="' . esc_attr( $height ) . '"';
160	}
161
162	/*
163	* While it does not appear to have any practical impact, Getty has
164	* requested that we include TLD in the embed request
165	*/
166	if ( ! empty( $tld ) ) {
167	$shortcode .= ' tld="' . esc_attr( $tld ) . '"';
168	}
169	$shortcode .= ']';
170
171	$content = str_replace( $match[0], $shortcode, $content );
172	}
173	}
174
175	// strip out enclosing div and any other markup.
176	$regexp = '%<div class="getty\s[^>]+>.?<div[^>]+>(\[getty[^\]]+\])\s</div>.?</div>%is';
177	$regexp_ent = str_replace( array( '&#058;', '[^>]' ), array( '&#058;\|&#0*58;', '[^&]' ), htmlspecialchars( $regexp, ENT_NOQUOTES ) );
178
179	foreach ( compact( 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
180	if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
181	continue;
182	}
183
184	foreach ( $matches as $match ) {
185	$content = str_replace( $match[0], $match[1], $content );
186	}
187	}
188
189	/** This action is documented in modules/widgets/social-media-icons.php */
190	do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'getty' );
191
192	return $content;
193	}
194
195	/**
196	* Parse shortcode arguments and render its output.
197	*
198	* @since 4.5.0
199	*
200	* @param array $atts Shortcode parameters.
201	* @param string $content Content enclosed by shortcode tags.
202	*
203	* @return string
204	*/
205	function jetpack_getty_shortcode( $atts, $content = '' ) {
206
207	if ( ! empty( $content ) ) {
208	$src = $content;
209	} elseif ( ! empty( $atts['src'] ) ) {
210	$src = $atts['src'];
211	} elseif ( ! empty( $atts[0] ) ) {
212	$src = $atts[0];
213	} else {
214	return '<!-- Missing Getty Source ID -->';
215	}
216
217	$src = preg_replace( '/^([\da-z-]+(,[\da-z-]+)).$/', '$1', $src );
218
219	$params = array(
220	'width' => isset( $atts['width'] ) ? (int) $atts['width'] : null,
221	'height' => isset( $atts['height'] ) ? (int) $atts['height'] : null,
222	);
223
224	if ( ! empty( $atts['tld'] ) ) {
225	$params['tld'] = $atts['tld'];
226	}
227
228	return wp_oembed_get( 'https://gty.im/' . $src, array_filter( $params ) );
229	}
230