Hacked By AnonymousFox
<?php
/**
* oEmbed API: Top-level oEmbed functionality
*
* @package WordPress
* @subpackage oEmbed
* @since 4.4.0
*/
/**
* Registers an embed handler.
*
* Should probably only be used for sites that do not support oEmbed.
*
* @since 2.9.0
*
* @global WP_Embed $wp_embed
*
* @param string $id An internal ID/name for the handler. Needs to be unique.
* @param string $regex The regex that will be used to see if this handler should be used for a URL.
* @param callable $callback The callback function that will be called if the regex is matched.
* @param int $priority Optional. Used to specify the order in which the registered handlers will
* be tested. Default 10.
*/
function wp_embed_register_handler( $id, $regex, $callback, $priority = 10 ) {
global $wp_embed;
$wp_embed->register_handler( $id, $regex, $callback, $priority );
}
/**
* Unregisters a previously-registered embed handler.
*
* @since 2.9.0
*
* @global WP_Embed $wp_embed
*
* @param string $id The handler ID that should be removed.
* @param int $priority Optional. The priority of the handler to be removed. Default 10.
*/
function wp_embed_unregister_handler( $id, $priority = 10 ) {
global $wp_embed;
$wp_embed->unregister_handler( $id, $priority );
}
/**
* Creates default array of embed parameters.
*
* The width defaults to the content width as specified by the theme. If the
* theme does not specify a content width, then 500px is used.
*
* The default height is 1.5 times the width, or 1000px, whichever is smaller.
*
* The {@see 'embed_defaults'} filter can be used to adjust either of these values.
*
* @since 2.9.0
*
* @global int $content_width
*
* @param string $url Optional. The URL that should be embedded. Default empty.
*
* @return array Default embed parameters.
*/
function wp_embed_defaults( $url = '' ) {
if ( ! empty( $GLOBALS['content_width'] ) )
$width = (int) $GLOBALS['content_width'];
if ( empty( $width ) )
$width = 500;
$height = min( ceil( $width * 1.5 ), 1000 );
/**
* Filters the default array of embed dimensions.
*
* @since 2.9.0
*
* @param array $size An array of embed width and height values
* in pixels (in that order).
* @param string $url The URL that should be embedded.
*/
return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url );
}
/**
* Attempts to fetch the embed HTML for a provided URL using oEmbed.
*
* @since 2.9.0
*
* @see WP_oEmbed
*
* @param string $url The URL that should be embedded.
* @param array $args Optional. Additional arguments and parameters for retrieving embed HTML.
* Default empty.
* @return false|string False on failure or the embed HTML on success.
*/
function wp_oembed_get( $url, $args = '' ) {
$oembed = _wp_oembed_get_object();
return $oembed->get_html( $url, $args );
}
/**
* Returns the initialized WP_oEmbed object.
*
* @since 2.9.0
* @access private
*
* @staticvar WP_oEmbed $wp_oembed
*
* @return WP_oEmbed object.
*/
function _wp_oembed_get_object() {
static $wp_oembed = null;
if ( is_null( $wp_oembed ) ) {
$wp_oembed = new WP_oEmbed();
}
return $wp_oembed;
}
/**
* Adds a URL format and oEmbed provider URL pair.
*
* @since 2.9.0
*
* @see WP_oEmbed
*
* @param string $format The format of URL that this provider can handle. You can use asterisks
* as wildcards.
* @param string $provider The URL to the oEmbed provider.
* @param boolean $regex Optional. Whether the `$format` parameter is in a RegEx format. Default false.
*/
function wp_oembed_add_provider( $format, $provider, $regex = false ) {
if ( did_action( 'plugins_loaded' ) ) {
$oembed = _wp_oembed_get_object();
$oembed->providers[$format] = array( $provider, $regex );
} else {
WP_oEmbed::_add_provider_early( $format, $provider, $regex );
}
}
/**
* Removes an oEmbed provider.
*
* @since 3.5.0
*
* @see WP_oEmbed
*
* @param string $format The URL format for the oEmbed provider to remove.
* @return bool Was the provider removed successfully?
*/
function wp_oembed_remove_provider( $format ) {
if ( did_action( 'plugins_loaded' ) ) {
$oembed = _wp_oembed_get_object();
if ( isset( $oembed->providers[ $format ] ) ) {
unset( $oembed->providers[ $format ] );
return true;
}
} else {
WP_oEmbed::_remove_provider_early( $format );
}
return false;
}
/**
* Determines if default embed handlers should be loaded.
*
* Checks to make sure that the embeds library hasn't already been loaded. If
* it hasn't, then it will load the embeds library.
*
* @since 2.9.0
*
* @see wp_embed_register_handler()
*/
function wp_maybe_load_embeds() {
/**
* Filters whether to load the default embed handlers.
*
* Returning a falsey value will prevent loading the default embed handlers.
*
* @since 2.9.0
*
* @param bool $maybe_load_embeds Whether to load the embeds library. Default true.
*/
if ( ! apply_filters( 'load_default_embeds', true ) ) {
return;
}
wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i', 'wp_embed_handler_youtube' );
/**
* Filters the audio embed handler callback.
*
* @since 3.6.0
*
* @param callable $handler Audio embed handler callback function.
*/
wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );
/**
* Filters the video embed handler callback.
*
* @since 3.6.0
*
* @param callable $handler Video embed handler callback function.
*/
wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
}
/**
* YouTube iframe embed handler callback.
*
* Catches YouTube iframe embed URLs that are not parsable by oEmbed but can be translated into a URL that is.
*
* @since 4.0.0
*
* @global WP_Embed $wp_embed
*
* @param array $matches The RegEx matches from the provided regex when calling
* wp_embed_register_handler().
* @param array $attr Embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {
global $wp_embed;
$embed = $wp_embed->autoembed( sprintf( "https://youtube.com/watch?v=%s", urlencode( $matches[2] ) ) );
/**
* Filters the YoutTube embed output.
*
* @since 4.0.0
*
* @see wp_embed_handler_youtube()
*
* @param string $embed YouTube embed output.
* @param array $attr An array of embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
*/
return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr );
}
/**
* Audio embed handler callback.
*
* @since 3.6.0
*
* @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
* @param array $attr Embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
$audio = sprintf( '[audio src="%s" /]', esc_url( $url ) );
/**
* Filters the audio embed output.
*
* @since 3.6.0
*
* @param string $audio Audio embed output.
* @param array $attr An array of embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
*/
return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr );
}
/**
* Video embed handler callback.
*
* @since 3.6.0
*
* @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
* @param array $attr Embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
$dimensions = '';
if ( ! empty( $rawattr['width'] ) && ! empty( $rawattr['height'] ) ) {
$dimensions .= sprintf( 'width="%d" ', (int) $rawattr['width'] );
$dimensions .= sprintf( 'height="%d" ', (int) $rawattr['height'] );
}
$video = sprintf( '[video %s src="%s" /]', $dimensions, esc_url( $url ) );
/**
* Filters the video embed output.
*
* @since 3.6.0
*
* @param string $video Video embed output.
* @param array $attr An array of embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
*/
return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr );
}
/**
* Registers the oEmbed REST API route.
*
* @since 4.4.0
*/
function wp_oembed_register_route() {
$controller = new WP_oEmbed_Controller();
$controller->register_routes();
}
/**
* Adds oEmbed discovery links in the website <head>.
*
* @since 4.4.0
*/
function wp_oembed_add_discovery_links() {
$output = '';
if ( is_singular() ) {
$output .= '<link rel="alternate" type="application/json+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink() ) ) . '" />' . "\n";
if ( class_exists( 'SimpleXMLElement' ) ) {
$output .= '<link rel="alternate" type="text/xml+oembed" href="' . esc_url( get_oembed_endpoint_url( get_permalink(), 'xml' ) ) . '" />' . "\n";
}
}
/**
* Filters the oEmbed discovery links HTML.
*
* @since 4.4.0
*
* @param string $output HTML of the discovery links.
*/
echo apply_filters( 'oembed_discovery_links', $output );
}
/**
* Adds the necessary JavaScript to communicate with the embedded iframes.
*
* @since 4.4.0
*/
function wp_oembed_add_host_js() {
wp_enqueue_script( 'wp-embed' );
}
/**
* Retrieves the URL to embed a specific post in an iframe.
*
* @since 4.4.0
*
* @param int|WP_Post $post Optional. Post ID or object. Defaults to the current post.
* @return string|false The post embed URL on success, false if the post doesn't exist.
*/
function get_post_embed_url( $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$embed_url = trailingslashit( get_permalink( $post ) ) . user_trailingslashit( 'embed' );
$path_conflict = get_page_by_path( str_replace( home_url(), '', $embed_url ), OBJECT, get_post_types( array( 'public' => true ) ) );
if ( ! get_option( 'permalink_structure' ) || $path_conflict ) {
$embed_url = add_query_arg( array( 'embed' => 'true' ), get_permalink( $post ) );
}
/**
* Filters the URL to embed a specific post.
*
* @since 4.4.0
*
* @param string $embed_url The post embed URL.
* @param WP_Post $post The corresponding post object.
*/
return esc_url_raw( apply_filters( 'post_embed_url', $embed_url, $post ) );
}
/**
* Retrieves the oEmbed endpoint URL for a given permalink.
*
* Pass an empty string as the first argument to get the endpoint base URL.
*
* @since 4.4.0
*
* @param string $permalink Optional. The permalink used for the `url` query arg. Default empty.
* @param string $format Optional. The requested response format. Default 'json'.
* @return string The oEmbed endpoint URL.
*/
function get_oembed_endpoint_url( $permalink = '', $format = 'json' ) {
$url = rest_url( 'oembed/1.0/embed' );
if ( '' !== $permalink ) {
$url = add_query_arg( array(
'url' => urlencode( $permalink ),
'format' => ( 'json' !== $format ) ? $format : false,
), $url );
}
/**
* Filters the oEmbed endpoint URL.
*
* @since 4.4.0
*
* @param string $url The URL to the oEmbed endpoint.
* @param string $permalink The permalink used for the `url` query arg.
* @param string $format The requested response format.
*/
return apply_filters( 'oembed_endpoint_url', $url, $permalink, $format );
}
/**
* Retrieves the embed code for a specific post.
*
* @since 4.4.0
*
* @param int $width The width for the response.
* @param int $height The height for the response.
* @param int|WP_Post $post Optional. Post ID or object. Default is global `$post`.
* @return string|false Embed code on success, false if post doesn't exist.
*/
function get_post_embed_html( $width, $height, $post = null ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
$embed_url = get_post_embed_url( $post );
$output = '<blockquote class="wp-embedded-content"><a href="' . esc_url( get_permalink( $post ) ) . '">' . get_the_title( $post ) . "</a></blockquote>\n";
$output .= "<script type='text/javascript'>\n";
$output .= "<!--//--><![CDATA[//><!--\n";
if ( SCRIPT_DEBUG ) {
$output .= file_get_contents( ABSPATH . WPINC . '/js/wp-embed.js' );
} else {
/*
* If you're looking at a src version of this file, you'll see an "include"
* statement below. This is used by the `grunt build` process to directly
* include a minified version of wp-embed.js, instead of using the
* file_get_contents() method from above.
*
* If you're looking at a build version of this file, you'll see a string of
* minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
* and edit wp-embed.js directly.
*/
$output .=<<<JS
!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)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);
JS;
}
$output .= "\n//--><!]]>";
$output .= "\n</script>";
$output .= sprintf(
'<iframe sandbox="allow-scripts" security="restricted" src="%1$s" width="%2$d" height="%3$d" title="%4$s" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>',
esc_url( $embed_url ),
absint( $width ),
absint( $height ),
esc_attr(
sprintf(
/* translators: 1: post title, 2: site name */
__( '“%1$s” — %2$s' ),
get_the_title( $post ),
get_bloginfo( 'name' )
)
)
);
/**
* Filters the embed HTML output for a given post.
*
* @since 4.4.0
*
* @param string $output The default iframe tag to display embedded content.
* @param WP_Post $post Current post object.
* @param int $width Width of the response.
* @param int $height Height of the response.
*/
return apply_filters( 'embed_html', $output, $post, $width, $height );
}
/**
* Retrieves the oEmbed response data for a given post.
*
* @since 4.4.0
*
* @param WP_Post|int $post Post object or ID.
* @param int $width The requested width.
* @return array|false Response data on success, false if post doesn't exist.
*/
function get_oembed_response_data( $post, $width ) {
$post = get_post( $post );
$width = absint( $width );
if ( ! $post ) {
return false;
}
if ( 'publish' !== get_post_status( $post ) ) {
return false;
}
/**
* Filters the allowed minimum and maximum widths for the oEmbed response.
*
* @since 4.4.0
*
* @param array $min_max_width {
* Minimum and maximum widths for the oEmbed response.
*
* @type int $min Minimum width. Default 200.
* @type int $max Maximum width. Default 600.
* }
*/
$min_max_width = apply_filters( 'oembed_min_max_width', array(
'min' => 200,
'max' => 600
) );
$width = min( max( $min_max_width['min'], $width ), $min_max_width['max'] );
$height = max( ceil( $width / 16 * 9 ), 200 );
$data = array(
'version' => '1.0',
'provider_name' => get_bloginfo( 'name' ),
'provider_url' => get_home_url(),
'author_name' => get_bloginfo( 'name' ),
'author_url' => get_home_url(),
'title' => $post->post_title,
'type' => 'link',
);
$author = get_userdata( $post->post_author );
if ( $author ) {
$data['author_name'] = $author->display_name;
$data['author_url'] = get_author_posts_url( $author->ID );
}
/**
* Filters the oEmbed response data.
*
* @since 4.4.0
*
* @param array $data The response data.
* @param WP_Post $post The post object.
* @param int $width The requested width.
* @param int $height The calculated height.
*/
return apply_filters( 'oembed_response_data', $data, $post, $width, $height );
}
/**
* Filters the oEmbed response data to return an iframe embed code.
*
* @since 4.4.0
*
* @param array $data The response data.
* @param WP_Post $post The post object.
* @param int $width The requested width.
* @param int $height The calculated height.
* @return array The modified response data.
*/
function get_oembed_response_data_rich( $data, $post, $width, $height ) {
$data['width'] = absint( $width );
$data['height'] = absint( $height );
$data['type'] = 'rich';
$data['html'] = get_post_embed_html( $width, $height, $post );
// Add post thumbnail to response if available.
$thumbnail_id = false;
if ( has_post_thumbnail( $post->ID ) ) {
$thumbnail_id = get_post_thumbnail_id( $post->ID );
}
if ( 'attachment' === get_post_type( $post ) ) {
if ( wp_attachment_is_image( $post ) ) {
$thumbnail_id = $post->ID;
} else if ( wp_attachment_is( 'video', $post ) ) {
$thumbnail_id = get_post_thumbnail_id( $post );
$data['type'] = 'video';
}
}
if ( $thumbnail_id ) {
list( $thumbnail_url, $thumbnail_width, $thumbnail_height ) = wp_get_attachment_image_src( $thumbnail_id, array( $width, 99999 ) );
$data['thumbnail_url'] = $thumbnail_url;
$data['thumbnail_width'] = $thumbnail_width;
$data['thumbnail_height'] = $thumbnail_height;
}
return $data;
}
/**
* Ensures that the specified format is either 'json' or 'xml'.
*
* @since 4.4.0
*
* @param string $format The oEmbed response format. Accepts 'json' or 'xml'.
* @return string The format, either 'xml' or 'json'. Default 'json'.
*/
function wp_oembed_ensure_format( $format ) {
if ( ! in_array( $format, array( 'json', 'xml' ), true ) ) {
return 'json';
}
return $format;
}
/**
* Hooks into the REST API output to print XML instead of JSON.
*
* This is only done for the oEmbed API endpoint,
* which supports both formats.
*
* @access private
* @since 4.4.0
*
* @param bool $served Whether the request has already been served.
* @param WP_HTTP_ResponseInterface $result Result to send to the client. Usually a WP_REST_Response.
* @param WP_REST_Request $request Request used to generate the response.
* @param WP_REST_Server $server Server instance.
* @return true
*/
function _oembed_rest_pre_serve_request( $served, $result, $request, $server ) {
$params = $request->get_params();
if ( '/oembed/1.0/embed' !== $request->get_route() || 'GET' !== $request->get_method() ) {
return $served;
}
if ( ! isset( $params['format'] ) || 'xml' !== $params['format'] ) {
return $served;
}
// Embed links inside the request.
$data = $server->response_to_data( $result, false );
if ( ! class_exists( 'SimpleXMLElement' ) ) {
status_header( 501 );
die( get_status_header_desc( 501 ) );
}
$result = _oembed_create_xml( $data );
// Bail if there's no XML.
if ( ! $result ) {
status_header( 501 );
return get_status_header_desc( 501 );
}
if ( ! headers_sent() ) {
$server->send_header( 'Content-Type', 'text/xml; charset=' . get_option( 'blog_charset' ) );
}
echo $result;
return true;
}
/**
* Creates an XML string from a given array.
*
* @since 4.4.0
* @access private
*
* @param array $data The original oEmbed response data.
* @param SimpleXMLElement $node Optional. XML node to append the result to recursively.
* @return string|false XML string on success, false on error.
*/
function _oembed_create_xml( $data, $node = null ) {
if ( ! is_array( $data ) || empty( $data ) ) {
return false;
}
if ( null === $node ) {
$node = new SimpleXMLElement( '<oembed></oembed>' );
}
foreach ( $data as $key => $value ) {
if ( is_numeric( $key ) ) {
$key = 'oembed';
}
if ( is_array( $value ) ) {
$item = $node->addChild( $key );
_oembed_create_xml( $value, $item );
} else {
$node->addChild( $key, esc_html( $value ) );
}
}
return $node->asXML();
}
/**
* Filters the given oEmbed HTML.
*
* If the `$url` isn't on the trusted providers list,
* we need to filter the HTML heavily for security.
*
* Only filters 'rich' and 'html' response types.
*
* @since 4.4.0
*
* @param string $result The oEmbed HTML result.
* @param object $data A data object result from an oEmbed provider.
* @param string $url The URL of the content to be embedded.
* @return string The filtered and sanitized oEmbed result.
*/
function wp_filter_oembed_result( $result, $data, $url ) {
if ( false === $result || ! in_array( $data->type, array( 'rich', 'video' ) ) ) {
return $result;
}
$wp_oembed = _wp_oembed_get_object();
// Don't modify the HTML for trusted providers.
if ( false !== $wp_oembed->get_provider( $url, array( 'discover' => false ) ) ) {
return $result;
}
$allowed_html = array(
'a' => array(
'href' => true,
),
'blockquote' => array(),
'iframe' => array(
'src' => true,
'width' => true,
'height' => true,
'frameborder' => true,
'marginwidth' => true,
'marginheight' => true,
'scrolling' => true,
'title' => true,
),
);
$html = wp_kses( $result, $allowed_html );
preg_match( '|(<blockquote>.*?</blockquote>)?.*(<iframe.*?></iframe>)|ms', $html, $content );
// We require at least the iframe to exist.
if ( empty( $content[2] ) ) {
return false;
}
$html = $content[1] . $content[2];
preg_match( '/ src=([\'"])(.*?)\1/', $html, $results );
if ( ! empty( $results ) ) {
$secret = wp_generate_password( 10, false );
$url = esc_url( "{$results[2]}#?secret=$secret" );
$q = $results[1];
$html = str_replace( $results[0], ' src=' . $q . $url . $q . ' data-secret=' . $q . $secret . $q, $html );
$html = str_replace( '<blockquote', "<blockquote data-secret=\"$secret\"", $html );
}
$allowed_html['blockquote']['data-secret'] = true;
$allowed_html['iframe']['data-secret'] = true;
$html = wp_kses( $html, $allowed_html );
if ( ! empty( $content[1] ) ) {
// We have a blockquote to fall back on. Hide the iframe by default.
$html = str_replace( '<iframe', '<iframe style="position: absolute; clip: rect(1px, 1px, 1px, 1px);"', $html );
$html = str_replace( '<blockquote', '<blockquote class="wp-embedded-content"', $html );
}
$html = str_ireplace( '<iframe', '<iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted"', $html );
return $html;
}
/**
* Filters the string in the 'more' link displayed after a trimmed excerpt.
*
* Replaces '[...]' (appended to automatically generated excerpts) with an
* ellipsis and a "Continue reading" link in the embed template.
*
* @since 4.4.0
*
* @param string $more_string Default 'more' string.
* @return string 'Continue reading' link prepended with an ellipsis.
*/
function wp_embed_excerpt_more( $more_string ) {
if ( ! is_embed() ) {
return $more_string;
}
$link = sprintf( '<a href="%1$s" class="wp-embed-more" target="_top">%2$s</a>',
esc_url( get_permalink() ),
/* translators: %s: Name of current post */
sprintf( __( 'Continue reading %s' ), '<span class="screen-reader-text">' . get_the_title() . '</span>' )
);
return ' … ' . $link;
}
/**
* Displays the post excerpt for the embed template.
*
* Intended to be used in 'The Loop'.
*
* @since 4.4.0
*/
function the_excerpt_embed() {
$output = get_the_excerpt();
/**
* Filters the post excerpt for the embed template.
*
* @since 4.4.0
*
* @param string $output The current post excerpt.
*/
echo apply_filters( 'the_excerpt_embed', $output );
}
/**
* Filters the post excerpt for the embed template.
*
* Shows players for video and audio attachments.
*
* @since 4.4.0
*
* @param string $content The current post excerpt.
* @return string The modified post excerpt.
*/
function wp_embed_excerpt_attachment( $content ) {
if ( is_attachment() ) {
return prepend_attachment( '' );
}
return $content;
}
/**
* Enqueue embed iframe default CSS and JS & fire do_action('enqueue_embed_scripts')
*
* Enqueue PNG fallback CSS for embed iframe for legacy versions of IE.
*
* Allows plugins to queue scripts for the embed iframe end using wp_enqueue_script().
* Runs first in oembed_head().
*
* @since 4.4.0
*/
function enqueue_embed_scripts() {
wp_enqueue_style( 'wp-embed-template-ie' );
/**
* Fires when scripts and styles are enqueued for the embed iframe.
*
* @since 4.4.0
*/
do_action( 'enqueue_embed_scripts' );
}
/**
* Prints the CSS in the embed iframe header.
*
* @since 4.4.0
*/
function print_embed_styles() {
?>
<style type="text/css">
<?php
if ( SCRIPT_DEBUG ) {
readfile( ABSPATH . WPINC . "/css/wp-embed-template.css" );
} else {
/*
* If you're looking at a src version of this file, you'll see an "include"
* statement below. This is used by the `grunt build` process to directly
* include a minified version of wp-oembed-embed.css, instead of using the
* readfile() method from above.
*
* If you're looking at a build version of this file, you'll see a string of
* minified CSS. If you need to debug it, please turn on SCRIPT_DEBUG
* and edit wp-embed-template.css directly.
*/
?>
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}
<?php
}
?>
</style>
<?php
}
/**
* Prints the JavaScript in the embed iframe header.
*
* @since 4.4.0
*/
function print_embed_scripts() {
?>
<script type="text/javascript">
<?php
if ( SCRIPT_DEBUG ) {
readfile( ABSPATH . WPINC . "/js/wp-embed-template.js" );
} else {
/*
* If you're looking at a src version of this file, you'll see an "include"
* statement below. This is used by the `grunt build` process to directly
* include a minified version of wp-embed-template.js, instead of using the
* readfile() method from above.
*
* If you're looking at a build version of this file, you'll see a string of
* minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
* and edit wp-embed-template.js directly.
*/
?>
!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);
<?php
}
?>
</script>
<?php
}
/**
* Prepare the oembed HTML to be displayed in an RSS feed.
*
* @since 4.4.0
* @access private
*
* @param string $content The content to filter.
* @return string The filtered content.
*/
function _oembed_filter_feed_content( $content ) {
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 );
}
/**
* Prints the necessary markup for the embed comments button.
*
* @since 4.4.0
*/
function print_embed_comments_button() {
if ( is_404() || ! ( get_comments_number() || comments_open() ) ) {
return;
}
?>
<div class="wp-embed-comments">
<a href="<?php comments_link(); ?>" target="_top">
<span class="dashicons dashicons-admin-comments"></span>
<?php
printf(
_n(
'%s <span class="screen-reader-text">Comment</span>',
'%s <span class="screen-reader-text">Comments</span>',
get_comments_number()
),
number_format_i18n( get_comments_number() )
);
?>
</a>
</div>
<?php
}
/**
* Prints the necessary markup for the embed sharing button.
*
* @since 4.4.0
*/
function print_embed_sharing_button() {
if ( is_404() ) {
return;
}
?>
<div class="wp-embed-share">
<button type="button" class="wp-embed-share-dialog-open" aria-label="<?php esc_attr_e( 'Open sharing dialog' ); ?>">
<span class="dashicons dashicons-share"></span>
</button>
</div>
<?php
}
/**
* Prints the necessary markup for the embed sharing dialog.
*
* @since 4.4.0
*/
function print_embed_sharing_dialog() {
if ( is_404() ) {
return;
}
?>
<div class="wp-embed-share-dialog hidden" role="dialog" aria-label="<?php esc_attr_e( 'Sharing options' ); ?>">
<div class="wp-embed-share-dialog-content">
<div class="wp-embed-share-dialog-text">
<ul class="wp-embed-share-tabs" role="tablist">
<li class="wp-embed-share-tab-button wp-embed-share-tab-button-wordpress" role="presentation">
<button type="button" role="tab" aria-controls="wp-embed-share-tab-wordpress" aria-selected="true" tabindex="0"><?php esc_html_e( 'WordPress Embed' ); ?></button>
</li>
<li class="wp-embed-share-tab-button wp-embed-share-tab-button-html" role="presentation">
<button type="button" role="tab" aria-controls="wp-embed-share-tab-html" aria-selected="false" tabindex="-1"><?php esc_html_e( 'HTML Embed' ); ?></button>
</li>
</ul>
<div id="wp-embed-share-tab-wordpress" class="wp-embed-share-tab" role="tabpanel" aria-hidden="false">
<input type="text" value="<?php the_permalink(); ?>" class="wp-embed-share-input" aria-describedby="wp-embed-share-description-wordpress" tabindex="0" readonly/>
<p class="wp-embed-share-description" id="wp-embed-share-description-wordpress">
<?php _e( 'Copy and paste this URL into your WordPress site to embed' ); ?>
</p>
</div>
<div id="wp-embed-share-tab-html" class="wp-embed-share-tab" role="tabpanel" aria-hidden="true">
<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>
<p class="wp-embed-share-description" id="wp-embed-share-description-html">
<?php _e( 'Copy and paste this code into your site to embed' ); ?>
</p>
</div>
</div>
<button type="button" class="wp-embed-share-dialog-close" aria-label="<?php esc_attr_e( 'Close sharing dialog' ); ?>">
<span class="dashicons dashicons-no"></span>
</button>
</div>
</div>
<?php
}
/**
* Prints the necessary markup for the site title in an embed template.
*
* @since 4.5.0
*/
function the_embed_site_title() {
$site_title = sprintf(
'<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>',
esc_url( home_url() ),
esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
esc_html( get_bloginfo( 'name' ) )
);
$site_title = '<div class="wp-embed-site-title">' . $site_title . '</div>';
/**
* Filters the site title HTML in the embed footer.
*
* @since 4.4.0
*
* @param string $site_title The site title HTML.
*/
echo apply_filters( 'embed_site_title_html', $site_title );
}
/**
* Filters the oEmbed result before any HTTP requests are made.
*
* If the URL belongs to the current site, the result is fetched directly instead of
* going through the oEmbed discovery process.
*
* @since 4.5.3
*
* @param null|string $result The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. Default null.
* @param string $url The URL that should be inspected for discovery `<link>` tags.
* @param array $args oEmbed remote get arguments.
* @return null|string The UNSANITIZED (and potentially unsafe) HTML that should be used to embed.
* Null if the URL does not belong to the current site.
*/
function wp_filter_pre_oembed_result( $result, $url, $args ) {
$switched_blog = false;
if ( is_multisite() ) {
$url_parts = wp_parse_args( wp_parse_url( $url ), array(
'host' => '',
'path' => '/',
) );
$qv = array( 'domain' => $url_parts['host'], 'path' => '/' );
// In case of subdirectory configs, set the path.
if ( ! is_subdomain_install() ) {
$path = explode( '/', ltrim( $url_parts['path'], '/' ) );
$path = reset( $path );
if ( $path ) {
$qv['path'] = get_network()->path . $path . '/';
}
}
$sites = get_sites( $qv );
$site = reset( $sites );
if ( $site && (int) $site->blog_id !== get_current_blog_id() ) {
switch_to_blog( $site->blog_id );
$switched_blog = true;
}
}
$post_id = url_to_postid( $url );
/** This filter is documented in wp-includes/class-wp-oembed-controller.php */
$post_id = apply_filters( 'oembed_request_post_id', $post_id, $url );
if ( ! $post_id ) {
if ( $switched_blog ) {
restore_current_blog();
}
return $result;
}
$width = isset( $args['width'] ) ? $args['width'] : 0;
$data = get_oembed_response_data( $post_id, $width );
$data = _wp_oembed_get_object()->data2html( (object) $data, $url );
if ( $switched_blog ) {
restore_current_blog();
}
if ( ! $data ) {
return $result;
}
return $data;
}
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