|
1 <?php |
|
2 /** |
|
3 * oEmbed API: Top-level oEmbed functionality |
|
4 * |
|
5 * @package WordPress |
|
6 * @subpackage oEmbed |
|
7 * @since 4.4.0 |
|
8 */ |
|
9 |
|
10 /** |
|
11 * Registers an embed handler. |
|
12 * |
|
13 * Should probably only be used for sites that do not support oEmbed. |
|
14 * |
|
15 * @since 2.9.0 |
|
16 * |
|
17 * @global WP_Embed $wp_embed |
|
18 * |
|
19 * @param string $id An internal ID/name for the handler. Needs to be unique. |
|
20 * @param string $regex The regex that will be used to see if this handler should be used for a URL. |
|
21 * @param callable $callback The callback function that will be called if the regex is matched. |
|
22 * @param int $priority Optional. Used to specify the order in which the registered handlers will |
|
23 * be tested. Default 10. |
|
24 */ |
|
25 function wp_embed_register_handler( $id, $regex, $callback, $priority = 10 ) { |
|
26 global $wp_embed; |
|
27 $wp_embed->register_handler( $id, $regex, $callback, $priority ); |
|
28 } |
|
29 |
|
30 /** |
|
31 * Unregisters a previously-registered embed handler. |
|
32 * |
|
33 * @since 2.9.0 |
|
34 * |
|
35 * @global WP_Embed $wp_embed |
|
36 * |
|
37 * @param string $id The handler ID that should be removed. |
|
38 * @param int $priority Optional. The priority of the handler to be removed. Default 10. |
|
39 */ |
|
40 function wp_embed_unregister_handler( $id, $priority = 10 ) { |
|
41 global $wp_embed; |
|
42 $wp_embed->unregister_handler( $id, $priority ); |
|
43 } |
|
44 |
|
45 /** |
|
46 * Creates default array of embed parameters. |
|
47 * |
|
48 * The width defaults to the content width as specified by the theme. If the |
|
49 * theme does not specify a content width, then 500px is used. |
|
50 * |
|
51 * The default height is 1.5 times the width, or 1000px, whichever is smaller. |
|
52 * |
|
53 * The {@see 'embed_defaults'} filter can be used to adjust either of these values. |
|
54 * |
|
55 * @since 2.9.0 |
|
56 * |
|
57 * @global int $content_width |
|
58 * |
|
59 * @param string $url Optional. The URL that should be embedded. Default empty. |
|
60 * |
|
61 * @return array Default embed parameters. |
|
62 */ |
|
63 function wp_embed_defaults( $url = '' ) { |
|
64 if ( ! empty( $GLOBALS['content_width'] ) ) |
|
65 $width = (int) $GLOBALS['content_width']; |
|
66 |
|
67 if ( empty( $width ) ) |
|
68 $width = 500; |
|
69 |
|
70 $height = min( ceil( $width * 1.5 ), 1000 ); |
|
71 |
|
72 /** |
|
73 * Filters the default array of embed dimensions. |
|
74 * |
|
75 * @since 2.9.0 |
|
76 * |
|
77 * @param array $size An array of embed width and height values |
|
78 * in pixels (in that order). |
|
79 * @param string $url The URL that should be embedded. |
|
80 */ |
|
81 return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url ); |
|
82 } |
|
83 |
|
84 /** |
|
85 * Attempts to fetch the embed HTML for a provided URL using oEmbed. |
|
86 * |
|
87 * @since 2.9.0 |
|
88 * |
|
89 * @see WP_oEmbed |
|
90 * |
|
91 * @param string $url The URL that should be embedded. |
|
92 * @param array $args Optional. Additional arguments and parameters for retrieving embed HTML. |
|
93 * Default empty. |
|
94 * @return false|string False on failure or the embed HTML on success. |
|
95 */ |
|
96 function wp_oembed_get( $url, $args = '' ) { |
|
97 $oembed = _wp_oembed_get_object(); |
|
98 return $oembed->get_html( $url, $args ); |
|
99 } |
|
100 |
|
101 /** |
|
102 * Returns the initialized WP_oEmbed object. |
|
103 * |
|
104 * @since 2.9.0 |
|
105 * @access private |
|
106 * |
|
107 * @staticvar WP_oEmbed $wp_oembed |
|
108 * |
|
109 * @return WP_oEmbed object. |
|
110 */ |
|
111 function _wp_oembed_get_object() { |
|
112 static $wp_oembed = null; |
|
113 |
|
114 if ( is_null( $wp_oembed ) ) { |
|
115 $wp_oembed = new WP_oEmbed(); |
|
116 } |
|
117 return $wp_oembed; |
|
118 } |
|
119 |
|
120 /** |
|
121 * Adds a URL format and oEmbed provider URL pair. |
|
122 * |
|
123 * @since 2.9.0 |
|
124 * |
|
125 * @see WP_oEmbed |
|
126 * |
|
127 * @param string $format The format of URL that this provider can handle. You can use asterisks |
|
128 * as wildcards. |
|
129 * @param string $provider The URL to the oEmbed provider. |
|
130 * @param boolean $regex Optional. Whether the `$format` parameter is in a RegEx format. Default false. |
|
131 */ |
|
132 function wp_oembed_add_provider( $format, $provider, $regex = false ) { |
|
133 if ( did_action( 'plugins_loaded' ) ) { |
|
134 $oembed = _wp_oembed_get_object(); |
|
135 $oembed->providers[$format] = array( $provider, $regex ); |
|
136 } else { |
|
137 WP_oEmbed::_add_provider_early( $format, $provider, $regex ); |
|
138 } |
|
139 } |
|
140 |
|
141 /** |
|
142 * Removes an oEmbed provider. |
|
143 * |
|
144 * @since 3.5.0 |
|
145 * |
|
146 * @see WP_oEmbed |
|
147 * |
|
148 * @param string $format The URL format for the oEmbed provider to remove. |
|
149 * @return bool Was the provider removed successfully? |
|
150 */ |
|
151 function wp_oembed_remove_provider( $format ) { |
|
152 if ( did_action( 'plugins_loaded' ) ) { |
|
153 $oembed = _wp_oembed_get_object(); |
|
154 |
|
155 if ( isset( $oembed->providers[ $format ] ) ) { |
|
156 unset( $oembed->providers[ $format ] ); |
|
157 return true; |
|
158 } |
|
159 } else { |
|
160 WP_oEmbed::_remove_provider_early( $format ); |
|
161 } |
|
162 |
|
163 return false; |
|
164 } |
|
165 |
|
166 /** |
|
167 * Determines if default embed handlers should be loaded. |
|
168 * |
|
169 * Checks to make sure that the embeds library hasn't already been loaded. If |
|
170 * it hasn't, then it will load the embeds library. |
|
171 * |
|
172 * @since 2.9.0 |
|
173 * |
|
174 * @see wp_embed_register_handler() |
|
175 */ |
|
176 function wp_maybe_load_embeds() { |
|
177 /** |
|
178 * Filters whether to load the default embed handlers. |
|
179 * |
|
180 * Returning a falsey value will prevent loading the default embed handlers. |
|
181 * |
|
182 * @since 2.9.0 |
|
183 * |
|
184 * @param bool $maybe_load_embeds Whether to load the embeds library. Default true. |
|
185 */ |
|
186 if ( ! apply_filters( 'load_default_embeds', true ) ) { |
|
187 return; |
|
188 } |
|
189 |
|
190 wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i', 'wp_embed_handler_youtube' ); |
|
191 |
|
192 /** |
|
193 * Filters the audio embed handler callback. |
|
194 * |
|
195 * @since 3.6.0 |
|
196 * |
|
197 * @param callable $handler Audio embed handler callback function. |
|
198 */ |
|
199 wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 ); |
|
200 |
|
201 /** |
|
202 * Filters the video embed handler callback. |
|
203 * |
|
204 * @since 3.6.0 |
|
205 * |
|
206 * @param callable $handler Video embed handler callback function. |
|
207 */ |
|
208 wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 ); |
|
209 } |
|
210 |
|
211 /** |
|
212 * YouTube iframe embed handler callback. |
|
213 * |
|
214 * Catches YouTube iframe embed URLs that are not parsable by oEmbed but can be translated into a URL that is. |
|
215 * |
|
216 * @since 4.0.0 |
|
217 * |
|
218 * @global WP_Embed $wp_embed |
|
219 * |
|
220 * @param array $matches The RegEx matches from the provided regex when calling |
|
221 * wp_embed_register_handler(). |
|
222 * @param array $attr Embed attributes. |
|
223 * @param string $url The original URL that was matched by the regex. |
|
224 * @param array $rawattr The original unmodified attributes. |
|
225 * @return string The embed HTML. |
|
226 */ |
|
227 function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) { |
|
228 global $wp_embed; |
|
229 $embed = $wp_embed->autoembed( sprintf( "https://youtube.com/watch?v=%s", urlencode( $matches[2] ) ) ); |
|
230 |
|
231 /** |
|
232 * Filters the YoutTube embed output. |
|
233 * |
|
234 * @since 4.0.0 |
|
235 * |
|
236 * @see wp_embed_handler_youtube() |
|
237 * |
|
238 * @param string $embed YouTube embed output. |
|
239 * @param array $attr An array of embed attributes. |
|
240 * @param string $url The original URL that was matched by the regex. |
|
241 * @param array $rawattr The original unmodified attributes. |
|
242 */ |
|
243 return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr ); |
|
244 } |
|
245 |
|
246 /** |
|
247 * Audio embed handler callback. |
|
248 * |
|
249 * @since 3.6.0 |
|
250 * |
|
251 * @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler(). |
|
252 * @param array $attr Embed attributes. |
|
253 * @param string $url The original URL that was matched by the regex. |
|
254 * @param array $rawattr The original unmodified attributes. |
|
255 * @return string The embed HTML. |
|
256 */ |
|
257 function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) { |
|
258 $audio = sprintf( '[audio src="%s" /]', esc_url( $url ) ); |
|
259 |
|
260 /** |
|
261 * Filters the audio embed output. |
|
262 * |
|
263 * @since 3.6.0 |
|
264 * |
|
265 * @param string $audio Audio embed output. |
|
266 * @param array $attr An array of embed attributes. |
|
267 * @param string $url The original URL that was matched by the regex. |
|
268 * @param array $rawattr The original unmodified attributes. |
|
269 */ |
|
270 return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr ); |
|
271 } |
|
272 |
|
273 /** |
|
274 * Video embed handler callback. |
|
275 * |
|
276 * @since 3.6.0 |
|
277 * |
|
278 * @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler(). |
|
279 * @param array $attr Embed attributes. |
|
280 * @param string $url The original URL that was matched by the regex. |
|
281 * @param array $rawattr The original unmodified attributes. |
|
282 * @return string The embed HTML. |
|
283 */ |
|
284 function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) { |
|
285 $dimensions = ''; |
|
286 if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) { |
|
287 $dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] ); |
|
288 $dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] ); |
|
289 } |
|
290 $video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) ); |
|
291 |
|
292 /** |
|
293 * Filters the video embed output. |
|
294 * |
|
295 * @since 3.6.0 |
|
296 * |
|
297 * @param string $video Video embed output. |
|
298 * @param array $attr An array of embed attributes. |
|
299 * @param string $url The original URL that was matched by the regex. |
|
300 * @param array $rawattr The original unmodified attributes. |
|
301 */ |
|
302 return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr ); |
|
303 } |
|
304 |
|
305 /** |
|
306 * Registers the oEmbed REST API route. |
|
307 * |
|
308 * @since 4.4.0 |
|
309 */ |
|
310 function wp_oembed_register_route() { |
|
311 $controller = new WP_oEmbed_Controller(); |
|
312 $controller->register_routes(); |
|
313 } |
|
314 |
|
315 /** |
|
316 * Adds oEmbed discovery links in the website <head>. |
|
317 * |
|
318 * @since 4.4.0 |
|
319 */ |
|
320 function wp_oembed_add_discovery_links() { |
|
321 $output = ''; |
|
322 |
|
323 if ( is_singular() ) { |
|
324 $output .= '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n"; |
|
325 |
|
326 if ( class_exists( 'SimpleXMLElement' ) ) { |
|
327 $output .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n"; |
|
328 } |
|
329 } |
|
330 |
|
331 /** |
|
332 * Filters the oEmbed discovery links HTML. |
|
333 * |
|
334 * @since 4.4.0 |
|
335 * |
|
336 * @param string $output HTML of the discovery links. |
|
337 */ |
|
338 echo apply_filters( 'oembed_discovery_links', $output ); |
|
339 } |
|
340 |
|
341 /** |
|
342 * Adds the necessary JavaScript to communicate with the embedded iframes. |
|
343 * |
|
344 * @since 4.4.0 |
|
345 */ |
|
346 function wp_oembed_add_host_js() { |
|
347 wp_enqueue_script( 'wp-embed' ); |
|
348 } |
|
349 |
|
350 /** |
|
351 * Retrieves the URL to embed a specific post in an iframe. |
|
352 * |
|
353 * @since 4.4.0 |
|
354 * |
|
355 * @param int|WP_Post $post Optional. Post ID or object. Defaults to the current post. |
|
356 * @return string|false The post embed URL on success, false if the post doesn't exist. |
|
357 */ |
|
358 function get_post_embed_url( $post = null ) { |
|
359 $post = get_post( $post ); |
|
360 |
|
361 if ( ! $post ) { |
|
362 return false; |
|
363 } |
|
364 |
|
365 $embed_url = trailingslashit( get_permalink( $post ) ) . user_trailingslashit( 'embed' ); |
|
366 $path_conflict = get_page_by_path( str_replace( home_url(), '', $embed_url ), OBJECT, get_post_types( array( 'public' => true ) ) ); |
|
367 |
|
368 if ( ! get_option( 'permalink_structure' ) || $path_conflict ) { |
|
369 $embed_url = add_query_arg( array( 'embed' => 'true' ), get_permalink( $post ) ); |
|
370 } |
|
371 |
|
372 /** |
|
373 * Filters the URL to embed a specific post. |
|
374 * |
|
375 * @since 4.4.0 |
|
376 * |
|
377 * @param string $embed_url The post embed URL. |
|
378 * @param WP_Post $post The corresponding post object. |
|
379 */ |
|
380 return esc_url_raw( apply_filters( 'post_embed_url', $embed_url, $post ) ); |
|
381 } |
|
382 |
|
383 /** |
|
384 * Retrieves the oEmbed endpoint URL for a given permalink. |
|
385 * |
|
386 * Pass an empty string as the first argument to get the endpoint base URL. |
|
387 * |
|
388 * @since 4.4.0 |
|
389 * |
|
390 * @param string $permalink Optional. The permalink used for the `url` query arg. Default empty. |
|
391 * @param string $format Optional. The requested response format. Default 'json'. |
|
392 * @return string The oEmbed endpoint URL. |
|
393 */ |
|
394 function get_oembed_endpoint_url( $permalink = '', $format = 'json' ) { |
|
395 $url = rest_url( 'oembed/1.0/embed' ); |
|
396 |
|
397 if ( '' !== $permalink ) { |
|
398 $url = add_query_arg( array( |
|
399 'url' => urlencode( $permalink ), |
|
400 'format' => ( 'json' !== $format ) ? $format : false, |
|
401 ), $url ); |
|
402 } |
|
403 |
|
404 /** |
|
405 * Filters the oEmbed endpoint URL. |
|
406 * |
|
407 * @since 4.4.0 |
|
408 * |
|
409 * @param string $url The URL to the oEmbed endpoint. |
|
410 * @param string $permalink The permalink used for the `url` query arg. |
|
411 * @param string $format The requested response format. |
|
412 */ |
|
413 return apply_filters( 'oembed_endpoint_url', $url, $permalink, $format ); |
|
414 } |
|
415 |
|
416 /** |
|
417 * Retrieves the embed code for a specific post. |
|
418 * |
|
419 * @since 4.4.0 |
|
420 * |
|
421 * @param int $width The width for the response. |
|
422 * @param int $height The height for the response. |
|
423 * @param int|WP_Post $post Optional. Post ID or object. Default is global `$post`. |
|
424 * @return string|false Embed code on success, false if post doesn't exist. |
|
425 */ |
|
426 function get_post_embed_html( $width, $height, $post = null ) { |
|
427 $post = get_post( $post ); |
|
428 |
|
429 if ( ! $post ) { |
|
430 return false; |
|
431 } |
|
432 |
|
433 $embed_url = get_post_embed_url( $post ); |
|
434 |
|
435 $output = '<blockquote class="wp-embedded-content"><a href="' . esc_url( get_permalink( $post ) ) . '">' . get_the_title( $post ) . "</a></blockquote>\n"; |
|
436 |
|
437 $output .= "<script type='text/javascript'>\n"; |
|
438 $output .= "<!--//--><![CDATA[//><!--\n"; |
|
439 if ( SCRIPT_DEBUG ) { |
|
440 $output .= file_get_contents( ABSPATH . WPINC . '/js/wp-embed.js' ); |
|
441 } else { |
|
442 /* |
|
443 * If you're looking at a src version of this file, you'll see an "include" |
|
444 * statement below. This is used by the `grunt build` process to directly |
|
445 * include a minified version of wp-embed.js, instead of using the |
|
446 * file_get_contents() method from above. |
|
447 * |
|
448 * If you're looking at a build version of this file, you'll see a string of |
|
449 * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG |
|
450 * and edit wp-embed.js directly. |
|
451 */ |
|
452 $output .=<<<JS |
|
453 !function(a,b){"use strict";function c(){if(!e){e=!0;var a,c,d,f,g=-1!==navigator.appVersion.indexOf("MSIE 10"),h=!!navigator.userAgent.match(/Trident.*rv:11\./),i=b.querySelectorAll("iframe.wp-embedded-content");for(c=0;c<i.length;c++){if(d=i[c],!d.getAttribute("data-secret"))f=Math.random().toString(36).substr(2,10),d.src+="#?secret="+f,d.setAttribute("data-secret",f);if(g||h)a=d.cloneNode(!0),a.removeAttribute("security"),d.parentNode.replaceChild(a,d)}}}var d=!1,e=!1;if(b.querySelector)if(a.addEventListener)d=!0;if(a.wp=a.wp||{},!a.wp.receiveEmbedMessage)if(a.wp.receiveEmbedMessage=function(c){var d=c.data;if(d.secret||d.message||d.value)if(!/[^a-zA-Z0-9]/.test(d.secret)){var e,f,g,h,i,j=b.querySelectorAll('iframe[data-secret="'+d.secret+'"]'),k=b.querySelectorAll('blockquote[data-secret="'+d.secret+'"]');for(e=0;e<k.length;e++)k[e].style.display="none";for(e=0;e<j.length;e++)if(f=j[e],c.source===f.contentWindow){if(f.removeAttribute("style"),"height"===d.message){if(g=parseInt(d.value,10),g>1e3)g=1e3;else if(~~g<200)g=200;f.height=g}if("link"===d.message)if(h=b.createElement("a"),i=b.createElement("a"),h.href=f.getAttribute("src"),i.href=d.value,i.host===h.host)if(b.activeElement===f)a.top.location.href=d.value}else;}},d)a.addEventListener("message",a.wp.receiveEmbedMessage,!1),b.addEventListener("DOMContentLoaded",c,!1),a.addEventListener("load",c,!1)}(window,document); |
|
454 JS; |
|
455 } |
|
456 $output .= "\n//--><!]]>"; |
|
457 $output .= "\n</script>"; |
|
458 |
|
459 $output .= sprintf( |
|
460 '<iframe sandbox="allow-scripts" security="restricted" src="%1$s" width="%2$d" height="%3$d" title="%4$s" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>', |
|
461 esc_url( $embed_url ), |
|
462 absint( $width ), |
|
463 absint( $height ), |
|
464 esc_attr( |
|
465 sprintf( |
|
466 /* translators: 1: post title, 2: site name */ |
|
467 __( '“%1$s” — %2$s' ), |
|
468 get_the_title( $post ), |
|
469 get_bloginfo( 'name' ) |
|
470 ) |
|
471 ) |
|
472 ); |
|
473 |
|
474 /** |
|
475 * Filters the embed HTML output for a given post. |
|
476 * |
|
477 * @since 4.4.0 |
|
478 * |
|
479 * @param string $output The default iframe tag to display embedded content. |
|
480 * @param WP_Post $post Current post object. |
|
481 * @param int $width Width of the response. |
|
482 * @param int $height Height of the response. |
|
483 */ |
|
484 return apply_filters( 'embed_html', $output, $post, $width, $height ); |
|
485 } |
|
486 |
|
487 /** |
|
488 * Retrieves the oEmbed response data for a given post. |
|
489 * |
|
490 * @since 4.4.0 |
|
491 * |
|
492 * @param WP_Post|int $post Post object or ID. |
|
493 * @param int $width The requested width. |
|
494 * @return array|false Response data on success, false if post doesn't exist. |
|
495 */ |
|
496 function get_oembed_response_data( $post, $width ) { |
|
497 $post = get_post( $post ); |
|
498 $width = absint( $width ); |
|
499 |
|
500 if ( ! $post ) { |
|
501 return false; |
|
502 } |
|
503 |
|
504 if ( 'publish' !== get_post_status( $post ) ) { |
|
505 return false; |
|
506 } |
|
507 |
|
508 /** |
|
509 * Filters the allowed minimum and maximum widths for the oEmbed response. |
|
510 * |
|
511 * @since 4.4.0 |
|
512 * |
|
513 * @param array $min_max_width { |
|
514 * Minimum and maximum widths for the oEmbed response. |
|
515 * |
|
516 * @type int $min Minimum width. Default 200. |
|
517 * @type int $max Maximum width. Default 600. |
|
518 * } |
|
519 */ |
|
520 $min_max_width = apply_filters( 'oembed_min_max_width', array( |
|
521 'min' => 200, |
|
522 'max' => 600 |
|
523 ) ); |
|
524 |
|
525 $width = min( max( $min_max_width['min'], $width ), $min_max_width['max'] ); |
|
526 $height = max( ceil( $width / 16 * 9 ), 200 ); |
|
527 |
|
528 $data = array( |
|
529 'version' => '1.0', |
|
530 'provider_name' => get_bloginfo( 'name' ), |
|
531 'provider_url' => get_home_url(), |
|
532 'author_name' => get_bloginfo( 'name' ), |
|
533 'author_url' => get_home_url(), |
|
534 'title' => $post->post_title, |
|
535 'type' => 'link', |
|
536 ); |
|
537 |
|
538 $author = get_userdata( $post->post_author ); |
|
539 |
|
540 if ( $author ) { |
|
541 $data['author_name'] = $author->display_name; |
|
542 $data['author_url'] = get_author_posts_url( $author->ID ); |
|
543 } |
|
544 |
|
545 /** |
|
546 * Filters the oEmbed response data. |
|
547 * |
|
548 * @since 4.4.0 |
|
549 * |
|
550 * @param array $data The response data. |
|
551 * @param WP_Post $post The post object. |
|
552 * @param int $width The requested width. |
|
553 * @param int $height The calculated height. |
|
554 */ |
|
555 return apply_filters( 'oembed_response_data', $data, $post, $width, $height ); |
|
556 } |
|
557 |
|
558 /** |
|
559 * Filters the oEmbed response data to return an iframe embed code. |
|
560 * |
|
561 * @since 4.4.0 |
|
562 * |
|
563 * @param array $data The response data. |
|
564 * @param WP_Post $post The post object. |
|
565 * @param int $width The requested width. |
|
566 * @param int $height The calculated height. |
|
567 * @return array The modified response data. |
|
568 */ |
|
569 function get_oembed_response_data_rich( $data, $post, $width, $height ) { |
|
570 $data['width'] = absint( $width ); |
|
571 $data['height'] = absint( $height ); |
|
572 $data['type'] = 'rich'; |
|
573 $data['html'] = get_post_embed_html( $width, $height, $post ); |
|
574 |
|
575 // Add post thumbnail to response if available. |
|
576 $thumbnail_id = false; |
|
577 |
|
578 if ( has_post_thumbnail( $post->ID ) ) { |
|
579 $thumbnail_id = get_post_thumbnail_id( $post->ID ); |
|
580 } |
|
581 |
|
582 if ( 'attachment' === get_post_type( $post ) ) { |
|
583 if ( wp_attachment_is_image( $post ) ) { |
|
584 $thumbnail_id = $post->ID; |
|
585 } else if ( wp_attachment_is( 'video', $post ) ) { |
|
586 $thumbnail_id = get_post_thumbnail_id( $post ); |
|
587 $data['type'] = 'video'; |
|
588 } |
|
589 } |
|
590 |
|
591 if ( $thumbnail_id ) { |
|
592 list( $thumbnail_url, $thumbnail_width, $thumbnail_height ) = wp_get_attachment_image_src( $thumbnail_id, array( $width, 99999 ) ); |
|
593 $data['thumbnail_url'] = $thumbnail_url; |
|
594 $data['thumbnail_width'] = $thumbnail_width; |
|
595 $data['thumbnail_height'] = $thumbnail_height; |
|
596 } |
|
597 |
|
598 return $data; |
|
599 } |
|
600 |
|
601 /** |
|
602 * Ensures that the specified format is either 'json' or 'xml'. |
|
603 * |
|
604 * @since 4.4.0 |
|
605 * |
|
606 * @param string $format The oEmbed response format. Accepts 'json' or 'xml'. |
|
607 * @return string The format, either 'xml' or 'json'. Default 'json'. |
|
608 */ |
|
609 function wp_oembed_ensure_format( $format ) { |
|
610 if ( ! in_array( $format, array( 'json', 'xml' ), true ) ) { |
|
611 return 'json'; |
|
612 } |
|
613 |
|
614 return $format; |
|
615 } |
|
616 |
|
617 /** |
|
618 * Hooks into the REST API output to print XML instead of JSON. |
|
619 * |
|
620 * This is only done for the oEmbed API endpoint, |
|
621 * which supports both formats. |
|
622 * |
|
623 * @access private |
|
624 * @since 4.4.0 |
|
625 * |
|
626 * @param bool $served Whether the request has already been served. |
|
627 * @param WP_HTTP_ResponseInterface $result Result to send to the client. Usually a WP_REST_Response. |
|
628 * @param WP_REST_Request $request Request used to generate the response. |
|
629 * @param WP_REST_Server $server Server instance. |
|
630 * @return true |
|
631 */ |
|
632 function _oembed_rest_pre_serve_request( $served, $result, $request, $server ) { |
|
633 $params = $request->get_params(); |
|
634 |
|
635 if ( '/oembed/1.0/embed' !== $request->get_route() || 'GET' !== $request->get_method() ) { |
|
636 return $served; |
|
637 } |
|
638 |
|
639 if ( ! isset( $params['format'] ) || 'xml' !== $params['format'] ) { |
|
640 return $served; |
|
641 } |
|
642 |
|
643 // Embed links inside the request. |
|
644 $data = $server->response_to_data( $result, false ); |
|
645 |
|
646 if ( ! class_exists( 'SimpleXMLElement' ) ) { |
|
647 status_header( 501 ); |
|
648 die( get_status_header_desc( 501 ) ); |
|
649 } |
|
650 |
|
651 $result = _oembed_create_xml( $data ); |
|
652 |
|
653 // Bail if there's no XML. |
|
654 if ( ! $result ) { |
|
655 status_header( 501 ); |
|
656 return get_status_header_desc( 501 ); |
|
657 } |
|
658 |
|
659 if ( ! headers_sent() ) { |
|
660 $server->send_header( 'Content-Type', 'text/xml; charset=' . get_option( 'blog_charset' ) ); |
|
661 } |
|
662 |
|
663 echo $result; |
|
664 |
|
665 return true; |
|
666 } |
|
667 |
|
668 /** |
|
669 * Creates an XML string from a given array. |
|
670 * |
|
671 * @since 4.4.0 |
|
672 * @access private |
|
673 * |
|
674 * @param array $data The original oEmbed response data. |
|
675 * @param SimpleXMLElement $node Optional. XML node to append the result to recursively. |
|
676 * @return string|false XML string on success, false on error. |
|
677 */ |
|
678 function _oembed_create_xml( $data, $node = null ) { |
|
679 if ( ! is_array( $data ) || empty( $data ) ) { |
|
680 return false; |
|
681 } |
|
682 |
|
683 if ( null === $node ) { |
|
684 $node = new SimpleXMLElement( '<oembed></oembed>' ); |
|
685 } |
|
686 |
|
687 foreach ( $data as $key => $value ) { |
|
688 if ( is_numeric( $key ) ) { |
|
689 $key = 'oembed'; |
|
690 } |
|
691 |
|
692 if ( is_array( $value ) ) { |
|
693 $item = $node->addChild( $key ); |
|
694 _oembed_create_xml( $value, $item ); |
|
695 } else { |
|
696 $node->addChild( $key, esc_html( $value ) ); |
|
697 } |
|
698 } |
|
699 |
|
700 return $node->asXML(); |
|
701 } |
|
702 |
|
703 /** |
|
704 * Filters the given oEmbed HTML. |
|
705 * |
|
706 * If the `$url` isn't on the trusted providers list, |
|
707 * we need to filter the HTML heavily for security. |
|
708 * |
|
709 * Only filters 'rich' and 'html' response types. |
|
710 * |
|
711 * @since 4.4.0 |
|
712 * |
|
713 * @param string $result The oEmbed HTML result. |
|
714 * @param object $data A data object result from an oEmbed provider. |
|
715 * @param string $url The URL of the content to be embedded. |
|
716 * @return string The filtered and sanitized oEmbed result. |
|
717 */ |
|
718 function wp_filter_oembed_result( $result, $data, $url ) { |
|
719 if ( false === $result || ! in_array( $data->type, array( 'rich', 'video' ) ) ) { |
|
720 return $result; |
|
721 } |
|
722 |
|
723 $wp_oembed = _wp_oembed_get_object(); |
|
724 |
|
725 // Don't modify the HTML for trusted providers. |
|
726 if ( false !== $wp_oembed->get_provider( $url, array( 'discover' => false ) ) ) { |
|
727 return $result; |
|
728 } |
|
729 |
|
730 $allowed_html = array( |
|
731 'a' => array( |
|
732 'href' => true, |
|
733 ), |
|
734 'blockquote' => array(), |
|
735 'iframe' => array( |
|
736 'src' => true, |
|
737 'width' => true, |
|
738 'height' => true, |
|
739 'frameborder' => true, |
|
740 'marginwidth' => true, |
|
741 'marginheight' => true, |
|
742 'scrolling' => true, |
|
743 'title' => true, |
|
744 ), |
|
745 ); |
|
746 |
|
747 $html = wp_kses( $result, $allowed_html ); |
|
748 |
|
749 preg_match( '|(<blockquote>.*?</blockquote>)?.*(<iframe.*?></iframe>)|ms', $html, $content ); |
|
750 // We require at least the iframe to exist. |
|
751 if ( empty( $content[2] ) ) { |
|
752 return false; |
|
753 } |
|
754 $html = $content[1] . $content[2]; |
|
755 |
|
756 preg_match( '/ src=([\'"])(.*?)\1/', $html, $results ); |
|
757 |
|
758 if ( ! empty( $results ) ) { |
|
759 $secret = wp_generate_password( 10, false ); |
|
760 |
|
761 $url = esc_url( "{$results[2]}#?secret=$secret" ); |
|
762 $q = $results[1]; |
|
763 |
|
764 $html = str_replace( $results[0], ' src=' . $q . $url . $q . ' data-secret=' . $q . $secret . $q, $html ); |
|
765 $html = str_replace( '<blockquote', "<blockquote data-secret=\"$secret\"", $html ); |
|
766 } |
|
767 |
|
768 $allowed_html['blockquote']['data-secret'] = true; |
|
769 $allowed_html['iframe']['data-secret'] = true; |
|
770 |
|
771 $html = wp_kses( $html, $allowed_html ); |
|
772 |
|
773 if ( ! empty( $content[1] ) ) { |
|
774 // We have a blockquote to fall back on. Hide the iframe by default. |
|
775 $html = str_replace( '<iframe', '<iframe style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"', $html ); |
|
776 $html = str_replace( '<blockquote', '<blockquote class="wp-embedded-content"', $html ); |
|
777 } |
|
778 |
|
779 $html = str_ireplace( '<iframe', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $html ); |
|
780 |
|
781 return $html; |
|
782 } |
|
783 |
|
784 /** |
|
785 * Filters the string in the 'more' link displayed after a trimmed excerpt. |
|
786 * |
|
787 * Replaces '[...]' (appended to automatically generated excerpts) with an |
|
788 * ellipsis and a "Continue reading" link in the embed template. |
|
789 * |
|
790 * @since 4.4.0 |
|
791 * |
|
792 * @param string $more_string Default 'more' string. |
|
793 * @return string 'Continue reading' link prepended with an ellipsis. |
|
794 */ |
|
795 function wp_embed_excerpt_more( $more_string ) { |
|
796 if ( ! is_embed() ) { |
|
797 return $more_string; |
|
798 } |
|
799 |
|
800 $link = sprintf( '<a href="%1$s" class="wp-embed-more" target="_top">%2$s</a>', |
|
801 esc_url( get_permalink() ), |
|
802 /* translators: %s: Name of current post */ |
|
803 sprintf( __( 'Continue reading %s' ), '<span class="screen-reader-text">' . get_the_title() . '</span>' ) |
|
804 ); |
|
805 return ' … ' . $link; |
|
806 } |
|
807 |
|
808 /** |
|
809 * Displays the post excerpt for the embed template. |
|
810 * |
|
811 * Intended to be used in 'The Loop'. |
|
812 * |
|
813 * @since 4.4.0 |
|
814 */ |
|
815 function the_excerpt_embed() { |
|
816 $output = get_the_excerpt(); |
|
817 |
|
818 /** |
|
819 * Filters the post excerpt for the embed template. |
|
820 * |
|
821 * @since 4.4.0 |
|
822 * |
|
823 * @param string $output The current post excerpt. |
|
824 */ |
|
825 echo apply_filters( 'the_excerpt_embed', $output ); |
|
826 } |
|
827 |
|
828 /** |
|
829 * Filters the post excerpt for the embed template. |
|
830 * |
|
831 * Shows players for video and audio attachments. |
|
832 * |
|
833 * @since 4.4.0 |
|
834 * |
|
835 * @param string $content The current post excerpt. |
|
836 * @return string The modified post excerpt. |
|
837 */ |
|
838 function wp_embed_excerpt_attachment( $content ) { |
|
839 if ( is_attachment() ) { |
|
840 return prepend_attachment( '' ); |
|
841 } |
|
842 |
|
843 return $content; |
|
844 } |
|
845 |
|
846 /** |
|
847 * Enqueue embed iframe default CSS and JS & fire do_action('enqueue_embed_scripts') |
|
848 * |
|
849 * Enqueue PNG fallback CSS for embed iframe for legacy versions of IE. |
|
850 * |
|
851 * Allows plugins to queue scripts for the embed iframe end using wp_enqueue_script(). |
|
852 * Runs first in oembed_head(). |
|
853 * |
|
854 * @since 4.4.0 |
|
855 */ |
|
856 function enqueue_embed_scripts() { |
|
857 wp_enqueue_style( 'wp-embed-template-ie' ); |
|
858 |
|
859 /** |
|
860 * Fires when scripts and styles are enqueued for the embed iframe. |
|
861 * |
|
862 * @since 4.4.0 |
|
863 */ |
|
864 do_action( 'enqueue_embed_scripts' ); |
|
865 } |
|
866 |
|
867 /** |
|
868 * Prints the CSS in the embed iframe header. |
|
869 * |
|
870 * @since 4.4.0 |
|
871 */ |
|
872 function print_embed_styles() { |
|
873 ?> |
|
874 <style type="text/css"> |
|
875 <?php |
|
876 if ( SCRIPT_DEBUG ) { |
|
877 readfile( ABSPATH . WPINC . "/css/wp-embed-template.css" ); |
|
878 } else { |
|
879 /* |
|
880 * If you're looking at a src version of this file, you'll see an "include" |
|
881 * statement below. This is used by the `grunt build` process to directly |
|
882 * include a minified version of wp-oembed-embed.css, instead of using the |
|
883 * readfile() method from above. |
|
884 * |
|
885 * If you're looking at a build version of this file, you'll see a string of |
|
886 * minified CSS. If you need to debug it, please turn on SCRIPT_DEBUG |
|
887 * and edit wp-embed-template.css directly. |
|
888 */ |
|
889 ?> |
|
890 body,html{padding:0;margin:0}body{font-family:sans-serif}.wp-embed,.wp-embed-share-input{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif}.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal!important}.dashicons{display:inline-block;width:20px;height:20px;background-color:transparent;background-repeat:no-repeat;background-size:20px;background-position:center;transition:background .1s ease-in;position:relative;top:5px}.dashicons-no{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M15.55%2013.7l-2.19%202.06-3.42-3.65-3.64%203.43-2.06-2.18%203.64-3.43-3.42-3.64%202.18-2.06%203.43%203.64%203.64-3.42%202.05%202.18-3.64%203.43z%27%20fill%3D%27%23fff%27%2F%3E%3C%2Fsvg%3E")}.dashicons-admin-comments{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M5%202h9q.82%200%201.41.59T16%204v7q0%20.82-.59%201.41T14%2013h-2l-5%205v-5H5q-.82%200-1.41-.59T3%2011V4q0-.82.59-1.41T5%202z%27%20fill%3D%27%2382878c%27%2F%3E%3C%2Fsvg%3E")}.wp-embed-comments a:hover .dashicons-admin-comments{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M5%202h9q.82%200%201.41.59T16%204v7q0%20.82-.59%201.41T14%2013h-2l-5%205v-5H5q-.82%200-1.41-.59T3%2011V4q0-.82.59-1.41T5%202z%27%20fill%3D%27%230073aa%27%2F%3E%3C%2Fsvg%3E")}.dashicons-share{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M14.5%2012q1.24%200%202.12.88T17.5%2015t-.88%202.12-2.12.88-2.12-.88T11.5%2015q0-.34.09-.69l-4.38-2.3Q6.32%2013%205%2013q-1.24%200-2.12-.88T2%2010t.88-2.12T5%207q1.3%200%202.21.99l4.38-2.3q-.09-.35-.09-.69%200-1.24.88-2.12T14.5%202t2.12.88T17.5%205t-.88%202.12T14.5%208q-1.3%200-2.21-.99l-4.38%202.3Q8%209.66%208%2010t-.09.69l4.38%202.3q.89-.99%202.21-.99z%27%20fill%3D%27%2382878c%27%2F%3E%3C%2Fsvg%3E");display:none}.js .dashicons-share{display:inline-block}.wp-embed-share-dialog-open:hover .dashicons-share{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2020%2020%27%3E%3Cpath%20d%3D%27M14.5%2012q1.24%200%202.12.88T17.5%2015t-.88%202.12-2.12.88-2.12-.88T11.5%2015q0-.34.09-.69l-4.38-2.3Q6.32%2013%205%2013q-1.24%200-2.12-.88T2%2010t.88-2.12T5%207q1.3%200%202.21.99l4.38-2.3q-.09-.35-.09-.69%200-1.24.88-2.12T14.5%202t2.12.88T17.5%205t-.88%202.12T14.5%208q-1.3%200-2.21-.99l-4.38%202.3Q8%209.66%208%2010t-.09.69l4.38%202.3q.89-.99%202.21-.99z%27%20fill%3D%27%230073aa%27%2F%3E%3C%2Fsvg%3E")}.wp-embed{padding:25px;font-size:14px;font-weight:400;line-height:1.5;color:#82878c;background:#fff;border:1px solid #e5e5e5;box-shadow:0 1px 1px rgba(0,0,0,.05);overflow:auto;zoom:1}.wp-embed a{color:#82878c;text-decoration:none}.wp-embed a:hover{text-decoration:underline}.wp-embed-featured-image{margin-bottom:20px}.wp-embed-featured-image img{width:100%;height:auto;border:none}.wp-embed-featured-image.square{float:left;max-width:160px;margin-right:20px}.wp-embed p{margin:0}p.wp-embed-heading{margin:0 0 15px;font-weight:600;font-size:22px;line-height:1.3}.wp-embed-heading a{color:#32373c}.wp-embed .wp-embed-more{color:#b4b9be}.wp-embed-footer{display:table;width:100%;margin-top:30px}.wp-embed-site-icon{position:absolute;top:50%;left:0;-webkit-transform:translateY(-50%);transform:translateY(-50%);height:25px;width:25px;border:0}.wp-embed-site-title{font-weight:600;line-height:25px}.wp-embed-site-title a{position:relative;display:inline-block;padding-left:35px}.wp-embed-meta,.wp-embed-site-title{display:table-cell}.wp-embed-meta{text-align:right;white-space:nowrap;vertical-align:middle}.wp-embed-comments,.wp-embed-share{display:inline}.wp-embed-comments a,.wp-embed-share-tab-button{display:inline-block}.wp-embed-meta a:hover{text-decoration:none;color:#0073aa}.wp-embed-comments a{line-height:25px}.wp-embed-comments+.wp-embed-share{margin-left:10px}.wp-embed-share-dialog{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#222;background-color:rgba(10,10,10,.9);color:#fff;opacity:1;transition:opacity .25s ease-in-out}.wp-embed-share-dialog.hidden{opacity:0;visibility:hidden}.wp-embed-share-dialog-close,.wp-embed-share-dialog-open{margin:-8px 0 0;padding:0;background:0 0;border:none;cursor:pointer;outline:0}.wp-embed-share-dialog-close .dashicons,.wp-embed-share-dialog-open .dashicons{padding:4px}.wp-embed-share-dialog-open .dashicons{top:8px}.wp-embed-share-dialog-close:focus .dashicons,.wp-embed-share-dialog-open:focus .dashicons{box-shadow:0 0 0 1px #5b9dd9,0 0 2px 1px rgba(30,140,190,.8);border-radius:100%}.wp-embed-share-dialog-close{position:absolute;top:20px;right:20px;font-size:22px}.wp-embed-share-dialog-close:hover{text-decoration:none}.wp-embed-share-dialog-close .dashicons{height:24px;width:24px;background-size:24px}.wp-embed-share-dialog-content{height:100%;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;overflow:hidden}.wp-embed-share-dialog-text{margin-top:25px;padding:20px}.wp-embed-share-tabs{margin:0 0 20px;padding:0;list-style:none}.wp-embed-share-tab-button button{margin:0;padding:0;border:none;background:0 0;font-size:16px;line-height:1.3;color:#aaa;cursor:pointer;transition:color .1s ease-in}.wp-embed-share-tab-button [aria-selected=true],.wp-embed-share-tab-button button:hover{color:#fff}.wp-embed-share-tab-button+.wp-embed-share-tab-button{margin:0 0 0 10px;padding:0 0 0 11px;border-left:1px solid #aaa}.wp-embed-share-tab[aria-hidden=true]{display:none}p.wp-embed-share-description{margin:0;font-size:14px;line-height:1;font-style:italic;color:#aaa}.wp-embed-share-input{box-sizing:border-box;width:100%;border:none;height:28px;margin:0 0 10px;padding:0 5px;font-size:14px;font-weight:400;line-height:1.5;resize:none;cursor:text}textarea.wp-embed-share-input{height:72px}html[dir=rtl] .wp-embed-featured-image.square{float:right;margin-right:0;margin-left:20px}html[dir=rtl] .wp-embed-site-title a{padding-left:0;padding-right:35px}html[dir=rtl] .wp-embed-site-icon{margin-right:0;margin-left:10px;left:auto;right:0}html[dir=rtl] .wp-embed-meta{text-align:left}html[dir=rtl] .wp-embed-share{margin-left:0;margin-right:10px}html[dir=rtl] .wp-embed-share-dialog-close{right:auto;left:20px}html[dir=rtl] .wp-embed-share-tab-button+.wp-embed-share-tab-button{margin:0 10px 0 0;padding:0 11px 0 0;border-left:none;border-right:1px solid #aaa} |
|
891 <?php |
|
892 } |
|
893 ?> |
|
894 </style> |
|
895 <?php |
|
896 } |
|
897 |
|
898 /** |
|
899 * Prints the JavaScript in the embed iframe header. |
|
900 * |
|
901 * @since 4.4.0 |
|
902 */ |
|
903 function print_embed_scripts() { |
|
904 ?> |
|
905 <script type="text/javascript"> |
|
906 <?php |
|
907 if ( SCRIPT_DEBUG ) { |
|
908 readfile( ABSPATH . WPINC . "/js/wp-embed-template.js" ); |
|
909 } else { |
|
910 /* |
|
911 * If you're looking at a src version of this file, you'll see an "include" |
|
912 * statement below. This is used by the `grunt build` process to directly |
|
913 * include a minified version of wp-embed-template.js, instead of using the |
|
914 * readfile() method from above. |
|
915 * |
|
916 * If you're looking at a build version of this file, you'll see a string of |
|
917 * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG |
|
918 * and edit wp-embed-template.js directly. |
|
919 */ |
|
920 ?> |
|
921 !function(a,b){"use strict";function c(b,c){a.parent.postMessage({message:b,value:c,secret:g},"*")}function d(){function d(){l.className=l.className.replace("hidden",""),b.querySelector('.wp-embed-share-tab-button [aria-selected="true"]').focus()}function e(){l.className+=" hidden",b.querySelector(".wp-embed-share-dialog-open").focus()}function f(a){var c=b.querySelector('.wp-embed-share-tab-button [aria-selected="true"]');c.setAttribute("aria-selected","false"),b.querySelector("#"+c.getAttribute("aria-controls")).setAttribute("aria-hidden","true"),a.target.setAttribute("aria-selected","true"),b.querySelector("#"+a.target.getAttribute("aria-controls")).setAttribute("aria-hidden","false")}function g(a){var c,d,e=a.target,f=e.parentElement.previousElementSibling,g=e.parentElement.nextElementSibling;if(37===a.keyCode)c=f;else{if(39!==a.keyCode)return!1;c=g}"rtl"===b.documentElement.getAttribute("dir")&&(c=c===f?g:f),c&&(d=c.firstElementChild,e.setAttribute("tabindex","-1"),e.setAttribute("aria-selected",!1),b.querySelector("#"+e.getAttribute("aria-controls")).setAttribute("aria-hidden","true"),d.setAttribute("tabindex","0"),d.setAttribute("aria-selected","true"),d.focus(),b.querySelector("#"+d.getAttribute("aria-controls")).setAttribute("aria-hidden","false"))}function h(a){var c=b.querySelector('.wp-embed-share-tab-button [aria-selected="true"]');n!==a.target||a.shiftKey?c===a.target&&a.shiftKey&&(n.focus(),a.preventDefault()):(c.focus(),a.preventDefault())}function i(a){var b,d=a.target;b=d.hasAttribute("href")?d.getAttribute("href"):d.parentElement.getAttribute("href"),b&&(c("link",b),a.preventDefault())}if(!k){k=!0;var j,l=b.querySelector(".wp-embed-share-dialog"),m=b.querySelector(".wp-embed-share-dialog-open"),n=b.querySelector(".wp-embed-share-dialog-close"),o=b.querySelectorAll(".wp-embed-share-input"),p=b.querySelectorAll(".wp-embed-share-tab-button button"),q=b.querySelector(".wp-embed-featured-image img");if(o)for(j=0;j<o.length;j++)o[j].addEventListener("click",function(a){a.target.select()});if(m&&m.addEventListener("click",function(){d()}),n&&n.addEventListener("click",function(){e()}),p)for(j=0;j<p.length;j++)p[j].addEventListener("click",f),p[j].addEventListener("keydown",g);b.addEventListener("keydown",function(a){27===a.keyCode&&-1===l.className.indexOf("hidden")?e():9===a.keyCode&&h(a)},!1),a.self!==a.top&&(c("height",Math.ceil(b.body.getBoundingClientRect().height)),q&&q.addEventListener("load",function(){c("height",Math.ceil(b.body.getBoundingClientRect().height))}),b.addEventListener("click",i))}}function e(){a.self!==a.top&&(clearTimeout(i),i=setTimeout(function(){c("height",Math.ceil(b.body.getBoundingClientRect().height))},100))}function f(){a.self===a.top||g||(g=a.location.hash.replace(/.*secret=([\d\w]{10}).*/,"$1"),clearTimeout(h),h=setTimeout(function(){f()},100))}var g,h,i,j=b.querySelector&&a.addEventListener,k=!1;j&&(f(),b.documentElement.className=b.documentElement.className.replace(/\bno-js\b/,"")+" js",b.addEventListener("DOMContentLoaded",d,!1),a.addEventListener("load",d,!1),a.addEventListener("resize",e,!1))}(window,document); |
|
922 <?php |
|
923 } |
|
924 ?> |
|
925 </script> |
|
926 <?php |
|
927 } |
|
928 |
|
929 /** |
|
930 * Prepare the oembed HTML to be displayed in an RSS feed. |
|
931 * |
|
932 * @since 4.4.0 |
|
933 * @access private |
|
934 * |
|
935 * @param string $content The content to filter. |
|
936 * @return string The filtered content. |
|
937 */ |
|
938 function _oembed_filter_feed_content( $content ) { |
|
939 return str_replace( '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $content ); |
|
940 } |
|
941 |
|
942 /** |
|
943 * Prints the necessary markup for the embed comments button. |
|
944 * |
|
945 * @since 4.4.0 |
|
946 */ |
|
947 function print_embed_comments_button() { |
|
948 if ( is_404() || ! ( get_comments_number() || comments_open() ) ) { |
|
949 return; |
|
950 } |
|
951 ?> |
|
952 <div class="wp-embed-comments"> |
|
953 <a href="<?php comments_link(); ?>" target="_top"> |
|
954 <span class="dashicons dashicons-admin-comments"></span> |
|
955 <?php |
|
956 printf( |
|
957 _n( |
|
958 '%s <span class="screen-reader-text">Comment</span>', |
|
959 '%s <span class="screen-reader-text">Comments</span>', |
|
960 get_comments_number() |
|
961 ), |
|
962 number_format_i18n( get_comments_number() ) |
|
963 ); |
|
964 ?> |
|
965 </a> |
|
966 </div> |
|
967 <?php |
|
968 } |
|
969 |
|
970 /** |
|
971 * Prints the necessary markup for the embed sharing button. |
|
972 * |
|
973 * @since 4.4.0 |
|
974 */ |
|
975 function print_embed_sharing_button() { |
|
976 if ( is_404() ) { |
|
977 return; |
|
978 } |
|
979 ?> |
|
980 <div class="wp-embed-share"> |
|
981 <button type="button" class="wp-embed-share-dialog-open" aria-label="<?php esc_attr_e( 'Open sharing dialog' ); ?>"> |
|
982 <span class="dashicons dashicons-share"></span> |
|
983 </button> |
|
984 </div> |
|
985 <?php |
|
986 } |
|
987 |
|
988 /** |
|
989 * Prints the necessary markup for the embed sharing dialog. |
|
990 * |
|
991 * @since 4.4.0 |
|
992 */ |
|
993 function print_embed_sharing_dialog() { |
|
994 if ( is_404() ) { |
|
995 return; |
|
996 } |
|
997 ?> |
|
998 <div class="wp-embed-share-dialog hidden" role="dialog" aria-label="<?php esc_attr_e( 'Sharing options' ); ?>"> |
|
999 <div class="wp-embed-share-dialog-content"> |
|
1000 <div class="wp-embed-share-dialog-text"> |
|
1001 <ul class="wp-embed-share-tabs" role="tablist"> |
|
1002 <li class="wp-embed-share-tab-button wp-embed-share-tab-button-wordpress" role="presentation"> |
|
1003 <button type="button" role="tab" aria-controls="wp-embed-share-tab-wordpress" aria-selected="true" tabindex="0"><?php esc_html_e( 'WordPress Embed' ); ?></button> |
|
1004 </li> |
|
1005 <li class="wp-embed-share-tab-button wp-embed-share-tab-button-html" role="presentation"> |
|
1006 <button type="button" role="tab" aria-controls="wp-embed-share-tab-html" aria-selected="false" tabindex="-1"><?php esc_html_e( 'HTML Embed' ); ?></button> |
|
1007 </li> |
|
1008 </ul> |
|
1009 <div id="wp-embed-share-tab-wordpress" class="wp-embed-share-tab" role="tabpanel" aria-hidden="false"> |
|
1010 <input type="text" value="<?php the_permalink(); ?>" class="wp-embed-share-input" aria-describedby="wp-embed-share-description-wordpress" tabindex="0" readonly/> |
|
1011 |
|
1012 <p class="wp-embed-share-description" id="wp-embed-share-description-wordpress"> |
|
1013 <?php _e( 'Copy and paste this URL into your WordPress site to embed' ); ?> |
|
1014 </p> |
|
1015 </div> |
|
1016 <div id="wp-embed-share-tab-html" class="wp-embed-share-tab" role="tabpanel" aria-hidden="true"> |
|
1017 <textarea class="wp-embed-share-input" aria-describedby="wp-embed-share-description-html" tabindex="0" readonly><?php echo esc_textarea( get_post_embed_html( 600, 400 ) ); ?></textarea> |
|
1018 |
|
1019 <p class="wp-embed-share-description" id="wp-embed-share-description-html"> |
|
1020 <?php _e( 'Copy and paste this code into your site to embed' ); ?> |
|
1021 </p> |
|
1022 </div> |
|
1023 </div> |
|
1024 |
|
1025 <button type="button" class="wp-embed-share-dialog-close" aria-label="<?php esc_attr_e( 'Close sharing dialog' ); ?>"> |
|
1026 <span class="dashicons dashicons-no"></span> |
|
1027 </button> |
|
1028 </div> |
|
1029 </div> |
|
1030 <?php |
|
1031 } |
|
1032 |
|
1033 /** |
|
1034 * Prints the necessary markup for the site title in an embed template. |
|
1035 * |
|
1036 * @since 4.5.0 |
|
1037 */ |
|
1038 function the_embed_site_title() { |
|
1039 $site_title = sprintf( |
|
1040 '<a href="%s" target="_top"><img src="%s" srcset="%s 2x" width="32" height="32" alt="" class="wp-embed-site-icon"/><span>%s</span></a>', |
|
1041 esc_url( home_url() ), |
|
1042 esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ), |
|
1043 esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ), |
|
1044 esc_html( get_bloginfo( 'name' ) ) |
|
1045 ); |
|
1046 |
|
1047 $site_title = '<div class="wp-embed-site-title">' . $site_title . '</div>'; |
|
1048 |
|
1049 /** |
|
1050 * Filters the site title HTML in the embed footer. |
|
1051 * |
|
1052 * @since 4.4.0 |
|
1053 * |
|
1054 * @param string $site_title The site title HTML. |
|
1055 */ |
|
1056 echo apply_filters( 'embed_site_title_html', $site_title ); |
|
1057 } |
|
1058 |
|
1059 /** |
|
1060 * Filters the oEmbed result before any HTTP requests are made. |
|
1061 * |
|
1062 * If the URL belongs to the current site, the result is fetched directly instead of |
|
1063 * going through the oEmbed discovery process. |
|
1064 * |
|
1065 * @since 4.5.3 |
|
1066 * |
|
1067 * @param null|string $result The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. Default null. |
|
1068 * @param string $url The URL that should be inspected for discovery `<link>` tags. |
|
1069 * @param array $args oEmbed remote get arguments. |
|
1070 * @return null|string The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. |
|
1071 * Null if the URL does not belong to the current site. |
|
1072 */ |
|
1073 function wp_filter_pre_oembed_result( $result, $url, $args ) { |
|
1074 $switched_blog = false; |
|
1075 |
|
1076 if ( is_multisite() ) { |
|
1077 $url_parts = wp_parse_args( wp_parse_url( $url ), array( |
|
1078 'host' => '', |
|
1079 'path' => '/', |
|
1080 ) ); |
|
1081 |
|
1082 $qv = array( 'domain' => $url_parts['host'], 'path' => '/' ); |
|
1083 |
|
1084 // In case of subdirectory configs, set the path. |
|
1085 if ( ! is_subdomain_install() ) { |
|
1086 $path = explode( '/', ltrim( $url_parts['path'], '/' ) ); |
|
1087 $path = reset( $path ); |
|
1088 |
|
1089 if ( $path ) { |
|
1090 $qv['path'] = get_network()->path . $path . '/'; |
|
1091 } |
|
1092 } |
|
1093 |
|
1094 $sites = get_sites( $qv ); |
|
1095 $site = reset( $sites ); |
|
1096 |
|
1097 if ( $site && (int) $site->blog_id !== get_current_blog_id() ) { |
|
1098 switch_to_blog( $site->blog_id ); |
|
1099 $switched_blog = true; |
|
1100 } |
|
1101 } |
|
1102 |
|
1103 $post_id = url_to_postid( $url ); |
|
1104 |
|
1105 /** This filter is documented in wp-includes/class-wp-oembed-controller.php */ |
|
1106 $post_id = apply_filters( 'oembed_request_post_id', $post_id, $url ); |
|
1107 |
|
1108 if ( ! $post_id ) { |
|
1109 if ( $switched_blog ) { |
|
1110 restore_current_blog(); |
|
1111 } |
|
1112 |
|
1113 return $result; |
|
1114 } |
|
1115 |
|
1116 $width = isset( $args['width'] ) ? $args['width'] : 0; |
|
1117 |
|
1118 $data = get_oembed_response_data( $post_id, $width ); |
|
1119 $data = _wp_oembed_get_object()->data2html( (object) $data, $url ); |
|
1120 |
|
1121 if ( $switched_blog ) { |
|
1122 restore_current_blog(); |
|
1123 } |
|
1124 |
|
1125 if ( ! $data ) { |
|
1126 return $result; |
|
1127 } |
|
1128 |
|
1129 return $data; |
|
1130 } |