jetpack / modules / shortcodes / hulu.php

hulu.php in Jetpack – WP Security, Backup, Speed, & Growth 9.4, at modules/shortcodes/hulu.php

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1	<?php
2	/**
3	* Hulu Shortcode
4	*
5	* [hulu 369061]
6	* [hulu id=369061]
7	* [hulu id=369061 width=512 height=288 start_time="10" end_time="20" thumbnail_frame="10"]
8	* [hulu http://www.hulu.com/watch/369061]
9	* [hulu id=gQ6Z0I990IWv_VFQI2J7Eg width=512 height=288]
10	*
11	* <object width="512" height="288">
12	* <param name="movie" value="http://www.hulu.com/embed/gQ6Z0I990IWv_VFQI2J7Eg"></param>
13	* <param name="allowFullScreen" value="true"></param>
14	* <embed src="http://www.hulu.com/embed/gQ6Z0I990IWv_VFQI2J7Eg" type="application/x-shockwave-flash" width="512" height="288" allowFullScreen="true"></embed>
15	* </object>
16	*
17	* @package Jetpack
18	*/
19
20	add_shortcode( 'hulu', 'jetpack_hulu_shortcode' );
21
22	if (
23	! is_admin()
24	/** This filter is documented in modules/shortcodes/youtube.php */
25	&& apply_filters( 'jetpack_comments_allow_oembed', true )
26	// No need for this on WordPress.com, this is done for multiple shortcodes at a time there.
27	&& ( ! defined( 'IS_WPCOM' ) \|\| ! IS_WPCOM )
28	) {
29	add_filter( 'comment_text', 'jetpack_hulu_link', 1 );
30	}
31
32	/**
33	* Return a Hulu video ID from a given set to attributes.
34	*
35	* @since 4.5.0
36	*
37	* @param array $atts Shortcode parameters.
38	*
39	* @return string $id Hulu video ID.
40	*/
41	function jetpack_shortcode_get_hulu_id( $atts ) {
42	// This will catch an id explicitly defined as such, or assume any param without a label is the id. First found is used.
43	if ( isset( $atts['id'] ) ) {
44	// First we check to see if [hulu id=369061] or [hulu id=gQ6Z0I990IWv_VFQI2J7Eg] was used.
45	$id = esc_attr( $atts['id'] );
46	} elseif ( isset( $atts[0] ) && preg_match( '\|www\.hulu\.com/watch/(\d+)\|i', $atts[0], $match ) ) {
47	// this checks for [hulu http://www.hulu.com/watch/369061].
48	$id = (int) $match[1];
49	} elseif ( isset( $atts[0] ) ) {
50	// This checks for [hulu 369061] or [hulu 65yppv6xqa45s5n7_m1wng].
51	$id = esc_attr( $atts[0] );
52	} else {
53	$id = 0;
54	}
55
56	return $id;
57	}
58
59	/**
60	* Convert a Hulu shortcode into an embed code.
61	*
62	* @since 4.5.0
63	*
64	* @param array $atts An array of shortcode attributes.
65	*
66	* @return string The embed code for the Hulu video.
67	*/
68	function jetpack_hulu_shortcode( $atts ) {
69	global $content_width;
70
71	// Set a default content width, if it's not specified.
72	$attr = shortcode_atts(
73	array(
74	'id' => '',
75	'width' => $content_width ? $content_width : 640,
76	'start_time' => '',
77	'end_time' => '',
78	'thumbnail_frame' => '',
79	),
80	$atts
81	);
82
83	$id = jetpack_shortcode_get_hulu_id( $atts );
84	if ( ! $id ) {
85	return '<!-- Hulu Error: Hulu shortcode syntax invalid. -->';
86	}
87
88	$start_time = 0;
89	if ( is_numeric( $attr['start_time'] ) ) {
90	$start_time = (int) $attr['start_time'];
91	}
92	if ( is_numeric( $attr['end_time'] ) && (int) $attr['end_time'] > $start_time ) {
93	$end_time = (int) $attr['end_time'];
94	}
95	if ( is_numeric( $attr['thumbnail_frame'] ) ) {
96	$thumbnail_frame = (int) $attr['thumbnail_frame'];
97	}
98
99	// check to see if $id is 76560 else we assume it's gQ6Z0I990IWv_VFQI2J7Eg
100	// If id is numeric, we'll send it off to the hulu oembed api to get the embed URL (and non-numeric id).
101	if ( is_numeric( $id ) ) {
102	$transient_key = "hulu-$id";
103	$transient_value = get_transient( $transient_key );
104
105	if ( false === $transient_value ) {
106	// let's make a cross-site http request out to the hulu oembed api.
107	$oembed_url = sprintf(
108	'https://www.hulu.com/api/oembed.json?url=%s',
109	rawurlencode( 'https://www.hulu.com/watch/' . esc_attr( $id ) )
110	);
111	$response = wp_remote_get( $oembed_url );
112	$response_code = wp_remote_retrieve_response_code( $response );
113	$response_message = wp_remote_retrieve_response_message( $response );
114	if ( 200 !== $response_code && ! empty( $response_message ) ) {
115	return "<!-- Hulu Error: Hulu shortcode http error $response_message -->";
116	} elseif ( 200 !== $response_code ) {
117	return "<!-- Hulu Error: Hulu shortcode unknown error occurred, $response_code -->";
118	} else {
119	$response_body = wp_remote_retrieve_body( $response );
120	$json = json_decode( $response_body );
121
122	// Pull out id from embed url (from oembed API).
123	$embed_url_params = array();
124	parse_str( wp_parse_url( $json->embed_url, PHP_URL_QUERY ), $embed_url_params );
125
126	if ( isset( $embed_url_params['eid'] ) ) {
127	$id = $embed_url_params['eid'];
128	}
129	// let's cache this response indefinitely.
130	set_transient( $transient_key, $id );
131	}
132	} else {
133	$id = $transient_value;
134	}
135	}
136
137	if ( ! $id ) {
138	return '<!-- Hulu Error: Not a Hulu video. -->';
139	}
140
141	$query_args = array();
142	$query_args['eid'] = esc_attr( $id );
143	if ( isset( $start_time ) ) {
144	$query_args['st'] = (int) $start_time;
145	}
146	if ( isset( $end_time ) ) {
147	$query_args['et'] = (int) $end_time;
148	}
149	if ( isset( $thumbnail_frame ) ) {
150	$query_args['it'] = 'i' . (int) $thumbnail_frame;
151	}
152
153	$iframe_url = add_query_arg( $query_args, 'https://www.hulu.com/embed.html' );
154	$width = (int) $attr['width'];
155	$height = round( ( $width / 640 ) * 360 );
156
157	$html = sprintf(
158	'<div class="embed-hulu" style="text-align: center;"><iframe src="%s" width="%s" height="%s" style="border:0;" scrolling="no" webkitAllowFullScreen
159	mozallowfullscreen allowfullscreen></iframe></div>',
160	esc_url( $iframe_url ),
161	esc_attr( $width ),
162	esc_attr( $height )
163	);
164	$html = apply_filters( 'video_embed_html', $html );
165
166	return $html;
167	}
168
169	/**
170	* Callback to convert Hulu links in comments into a embed src.
171	*
172	* @since 4.5.0
173	*
174	* @param array $matches Array of matches from regex.
175	*
176	* @return string
177	*/
178	function jetpack_hulu_link_callback( $matches ) {
179	$video_id = $matches[4];
180
181	// Make up an embed src to pass to the shortcode reversal function.
182	$attrs = array(
183	'src' => 'https://www.hulu.com/embed.html?eid=' . esc_attr( $video_id ),
184	);
185
186	return wpcom_shortcodereverse_huluhelper( $attrs );
187	}
188
189	/**
190	* Convert Hulu links in comments into a Hulu shortcode.
191	*
192	* @since 4.5.0
193	*
194	* @param string $content Post content.
195	*
196	* @return string
197	*/
198	function jetpack_hulu_link( $content ) {
199	$content = preg_replace_callback( '!^(http(s)?://)?(www\.)?hulu\.com\/watch\/([0-9]+)$!im', 'jetpack_hulu_link_callback', $content );
200
201	return $content;
202	}
203
204	/**
205	* Makes a Hulu shortcode from $attrs and $pattern
206	*
207	* @since 4.5.0
208	*
209	* @param array $attrs Shortcode attributes.
210	*
211	* @return string
212	*/
213	function wpcom_shortcodereverse_huluhelper( $attrs ) {
214	$attrs = wpcom_shortcodereverse_parseattr( $attrs );
215
216	$src_attributes = array();
217	parse_str( wp_parse_url( $attrs['src'], PHP_URL_QUERY ), $src_attributes );
218
219	$attrs = array_merge( $attrs, $src_attributes );
220
221	// If we don't have an eid, we can't do anything. Just send back the src string.
222	if ( ! isset( $attrs['eid'] ) ) {
223	return $attrs['src'];
224	}
225
226	$shortcode = '[hulu id=' . esc_attr( $attrs['eid'] );
227
228	if ( $attrs['width'] ) {
229	$shortcode .= ' width=' . (int) $attrs['width'];
230	}
231
232	if ( $attrs['height'] ) {
233	$shortcode .= ' height=' . (int) $attrs['height'];
234	}
235
236	if ( $attrs['st'] ) {
237	$shortcode .= ' start_time=' . (int) $attrs['st'];
238	}
239
240	if ( $attrs['et'] ) {
241	$shortcode .= ' end_time=' . (int) $attrs['et'];
242	}
243
244	if ( $attrs['it'] ) {
245	// the thumbnail frame attribute comes with an i in front of the value, so we've got to remove that.
246	$shortcode .= ' thumbnail_frame=' . (int) ltrim( $attrs['it'], 'i' );
247	}
248	$shortcode .= ']';
249
250	return $shortcode;
251	}
252
253	/**
254	* Initiates process to convert iframe HTML into a Hulu shortcode.
255	*
256	* Example:
257	* <iframe width="512" height="288" src="http://www.hulu.com/embed.html?eid=nlg_ios3tutcfrhatkiaow&et=20&st=10&it=i11" frameborder="0" scrolling="no" webkitAllowFullScreen mozallowfullscreen allowfullscreen></iframe>
258	*
259	* Converts to:
260	* [hulu id=nlg_ios3tutcfrhatkiaow width=512 height=288 start_time=10 end_time=20 thumbnail_frame=11]
261	*
262	* @since 4.5.0
263	*
264	* @param array $attrs Shortcode attributes.
265	*
266	* @return string
267	*/
268	function wpcom_shortcodereverse_huluembed( $attrs ) {
269
270	$shortcode = wpcom_shortcodereverse_huluhelper( $attrs );
271
272	if ( '[' === substr( $shortcode, 0, 1 ) ) {
273	/** This action is documented in modules/widgets/social-media-icons.php */
274	do_action( 'jetpack_bump_stats_extras', 'html_to_shortcode', 'hulu-embed' );
275	}
276
277	return $shortcode;
278	}
279	Filter_Embedded_HTML_Objects::register( '#^https?://www.hulu.com/embed.html#i', 'wpcom_shortcodereverse_huluembed', true );
280