getty.php — Jetpack – WP Security, Backup, Speed, & Growth 12.0.3

jetpack / modules / shortcodes / getty.php

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getty.php

224 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( 'IS_WPCOM' ) && IS_WPCOM ) {
12	add_action( 'init', 'jetpack_getty_enable_embeds' );
13	} else {
14	jetpack_getty_enable_embeds();
15	}
16
17	/**
18	* Register Getty as oembed provider. Add filter to reverse iframes to shortcode. Register [getty] shortcode.
19	*
20	* @since 4.5.0
21	* @since 5.8.0 removed string parameter.
22	*/
23	function jetpack_getty_enable_embeds() {
24
25	// Support their oEmbed Endpoint.
26	wp_oembed_add_provider( '#https?://www\.gettyimages\.com/detail/.*#i', 'https://embed.gettyimages.com/oembed/', true );
27	wp_oembed_add_provider( '#https?://(www\.)?gty\.im/.*#i', 'https://embed.gettyimages.com/oembed/', true );
28
29	// Allow iframes to be filtered to short code (so direct copy+paste can be done).
30	add_filter( 'pre_kses', 'wpcom_shortcodereverse_getty' );
31
32	// Actually display the Getty Embed.
33	add_shortcode( 'getty', 'jetpack_getty_shortcode' );
34	}
35
36	/**
37	* Filters the oEmbed provider URL for Getty URLs to include site URL host as
38	* caller if available, falling back to "wordpress.com". Must be applied at
39	* time of embed in case that `init` is too early (WP.com REST API).
40	*
41	* @module shortcodes
42	*
43	* @since 5.8.0
44	*
45	* @see WP_oEmbed::fetch
46	*
47	* @return string oEmbed provider URL
48	*/
49	add_filter( 'oembed_fetch_url', 'getty_add_oembed_endpoint_caller' );
50
51	/**
52	* Filter the embeds to add a caller parameter.
53	*
54	* @param string $provider URL of the oEmbed provider.
55	*/
56	function getty_add_oembed_endpoint_caller( $provider ) {
57	// By time filter is called, original provider URL has had url, maxwidth,
58	// maxheight query parameters added.
59	if ( 0 !== strpos( $provider, 'https://embed.gettyimages.com/oembed/' ) ) {
60	return $provider;
61	}
62
63	// Set the caller argument to pass to Getty's oembed provider.
64	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
65
66	// Only include caller for non-private sites.
67	if ( ! function_exists( 'is_private_blog' ) \|\| ! is_private_blog() ) {
68	$host = wp_parse_url( get_bloginfo( 'url' ), PHP_URL_HOST );
69	}
70
71	// Fall back to WordPress.com.
72	if ( empty( $host ) ) {
73	$host = 'wordpress.com';
74	}
75	} else {
76	$host = wp_parse_url( get_home_url(), PHP_URL_HOST );
77	}
78
79	return add_query_arg( 'caller', $host, $provider );
80	}
81
82	/**
83	* Compose shortcode based on Getty iframes.
84	*
85	* @since 4.5.0
86	*
87	* @param string $content Post content.
88	*
89	* @return mixed
90	*/
91	function wpcom_shortcodereverse_getty( $content ) {
92	if ( ! is_string( $content ) \|\| false === stripos( $content, '.gettyimages.com/' ) ) {
93	return $content;
94	}
95
96	$regexp = '!<iframe\s+src=[\'"](https?:)?//embed\.gettyimages\.com/embed(/\|/?\?assets=)([a-z0-9_-]+(,[a-z0-9_-]+))[^\'"]?[\'"]((?:\s+\w+=[\'"][^\'"][\'"]))((?:[\s\w]*))></iframe>!i';
97	$regexp_ent = str_replace( '&#058;', '&#058;\|&#0*58;', htmlspecialchars( $regexp, ENT_NOQUOTES ) );
98
99	// Markup pattern for 2017 embed syntax with significant differences from the prior pattern.
100	$regexp_2017 = '!<a.+?class=\'gie-(single\|slideshow)\'.+?gie\.widgets\.load${([^}]+)}$.+?embed-cdn\.gettyimages\.com/widgets\.js.+?</script>!';
101	$regexp_2017_ent = str_replace( '&#058;', '&#058;\|&#0*58;', htmlspecialchars( $regexp_2017, ENT_NOQUOTES ) );
102
103	foreach ( compact( 'regexp_2017', 'regexp_2017_ent', 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
104	if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
105	continue;
106	}
107
108	foreach ( $matches as $match ) {
109	if ( 'regexp_2017' === $reg \|\| 'regexp_2017_ent' === $reg ) {
110	// Extract individual keys from the matched JavaScript object.
111	$params = $match[2];
112	if ( ! preg_match_all( '!(?P<key>\w+)\s:\s([\'"](?P<value>[^\'"]*?)(px)?[\'"])!', $params, $key_matches, PREG_SET_ORDER ) ) {
113	continue;
114	}
115
116	foreach ( $key_matches as $key_match ) {
117	switch ( $key_match['key'] ) {
118	case 'items':
119	$ids = $key_match['value'];
120	break;
121	case 'w':
122	$width = (int) $key_match['value'];
123	break;
124	case 'h':
125	$height = (int) $key_match['value'];
126	break;
127	case 'tld':
128	$tld = $key_match['value'];
129	break;
130	}
131	}
132	} else {
133	$params = $match[5];
134	if ( 'regexp_ent' === $reg ) {
135	$params = html_entity_decode( $params, ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401 );
136	}
137	$params = wp_kses_hair( $params, array( 'http' ) );
138
139	$ids = esc_html( $match[3] );
140	$width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0;
141	$height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0;
142	}
143
144	if ( empty( $ids ) ) {
145	continue;
146	}
147
148	$shortcode = '[getty src="' . esc_attr( $ids ) . '"';
149	if ( ! empty( $width ) ) {
150	$shortcode .= ' width="' . esc_attr( $width ) . '"';
151	}
152	if ( ! empty( $height ) ) {
153	$shortcode .= ' height="' . esc_attr( $height ) . '"';
154	}
155
156	/*
157	* While it does not appear to have any practical impact, Getty has
158	* requested that we include TLD in the embed request
159	*/
160	if ( ! empty( $tld ) ) {
161	$shortcode .= ' tld="' . esc_attr( $tld ) . '"';
162	}
163	$shortcode .= ']';
164
165	$content = str_replace( $match[0], $shortcode, $content );
166	}
167	}
168
169	// strip out enclosing div and any other markup.
170	$regexp = '%<div class="getty\s[^>]+>.?<div[^>]+>(\[getty[^\]]+\])\s</div>.?</div>%is';
171	$regexp_ent = str_replace( array( '&#058;', '[^>]' ), array( '&#058;\|&#0*58;', '[^&]' ), htmlspecialchars( $regexp, ENT_NOQUOTES ) );
172
173	foreach ( compact( 'regexp', 'regexp_ent' ) as $reg => $regexp ) {
174	if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
175	continue;
176	}
177
178	foreach ( $matches as $match ) {
179	$content = str_replace( $match[0], $match[1], $content );
180	}
181	}
182
183	/** This action is documented in modules/widgets/social-media-icons.php */
184	do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'getty' );
185
186	return $content;
187	}
188
189	/**
190	* Parse shortcode arguments and render its output.
191	*
192	* @since 4.5.0
193	*
194	* @param array $atts Shortcode parameters.
195	* @param string $content Content enclosed by shortcode tags.
196	*
197	* @return string
198	*/
199	function jetpack_getty_shortcode( $atts, $content = '' ) {
200
201	if ( ! empty( $content ) ) {
202	$src = $content;
203	} elseif ( ! empty( $atts['src'] ) ) {
204	$src = $atts['src'];
205	} elseif ( ! empty( $atts[0] ) ) {
206	$src = $atts[0];
207	} else {
208	return '<!-- Missing Getty Source ID -->';
209	}
210
211	$src = preg_replace( '/^([\da-z-]+(,[\da-z-]+)).$/', '$1', $src );
212
213	$params = array(
214	'width' => isset( $atts['width'] ) ? (int) $atts['width'] : null,
215	'height' => isset( $atts['height'] ) ? (int) $atts['height'] : null,
216	);
217
218	if ( ! empty( $atts['tld'] ) ) {
219	$params['tld'] = $atts['tld'];
220	}
221
222	return wp_oembed_get( 'https://gty.im/' . $src, array_filter( $params ) );
223	}
224