* @uses apply_filters() Filters a list of pre-defined oEmbed providers.
*/
function __construct() {
- // List out some popular sites that support oEmbed.
- // The WP_Embed class disables discovery for non-unfiltered_html users, so only providers in this array will be used for them.
- // Add to this list using the wp_oembed_add_provider() function (see its PHPDoc for details).
- $this->providers = apply_filters( 'oembed_providers', array(
- '#http://(www\.)?youtube.com/watch.*#i' => array( 'http://www.youtube.com/oembed', true ),
+ $providers = array(
+ '#https?://(www\.)?youtube\.com/watch.*#i' => array( 'http://www.youtube.com/oembed', true ),
'http://youtu.be/*' => array( 'http://www.youtube.com/oembed', false ),
'http://blip.tv/*' => array( 'http://blip.tv/oembed/', false ),
- '#http://(www\.)?vimeo\.com/.*#i' => array( 'http://vimeo.com/api/oembed.{format}', true ),
- '#http://(www\.)?dailymotion\.com/.*#i' => array( 'http://www.dailymotion.com/services/oembed', true ),
- '#http://(www\.)?flickr\.com/.*#i' => array( 'http://www.flickr.com/services/oembed/', true ),
- '#http://(.+\.)?smugmug\.com/.*#i' => array( 'http://api.smugmug.com/services/oembed/', true ),
- '#http://(www\.)?hulu\.com/watch/.*#i' => array( 'http://www.hulu.com/api/oembed.{format}', true ),
- '#http://(www\.)?viddler\.com/.*#i' => array( 'http://lab.viddler.com/services/oembed/', true ),
+ '#https?://(www\.)?vimeo\.com/.*#i' => array( 'http://vimeo.com/api/oembed.{format}', true ),
+ '#https?://(www\.)?dailymotion\.com/.*#i' => array( 'http://www.dailymotion.com/services/oembed', true ),
+ 'http://dai.ly/*' => array( 'http://www.dailymotion.com/services/oembed', false ),
+ '#https?://(www\.)?flickr\.com/.*#i' => array( 'http://www.flickr.com/services/oembed/', true ),
+ 'http://flic.kr/*' => array( 'http://www.flickr.com/services/oembed/', false ),
+ '#https?://(.+\.)?smugmug\.com/.*#i' => array( 'http://api.smugmug.com/services/oembed/', true ),
+ '#https?://(www\.)?hulu\.com/watch/.*#i' => array( 'http://www.hulu.com/api/oembed.{format}', true ),
+ '#https?://(www\.)?viddler\.com/.*#i' => array( 'http://lab.viddler.com/services/oembed/', true ),
'http://qik.com/*' => array( 'http://qik.com/api/oembed.{format}', false ),
'http://revision3.com/*' => array( 'http://revision3.com/api/oembed/', false ),
'http://i*.photobucket.com/albums/*' => array( 'http://photobucket.com/oembed', false ),
'http://gi*.photobucket.com/groups/*' => array( 'http://photobucket.com/oembed', false ),
- '#http://(www\.)?scribd\.com/.*#i' => array( 'http://www.scribd.com/services/oembed', true ),
+ '#https?://(www\.)?scribd\.com/.*#i' => array( 'http://www.scribd.com/services/oembed', true ),
'http://wordpress.tv/*' => array( 'http://wordpress.tv/oembed/', false ),
- '#http://(.+\.)?polldaddy\.com/.*#i' => array( 'http://polldaddy.com/oembed/', true ),
- '#http://(www\.)?funnyordie\.com/videos/.*#i' => array( 'http://www.funnyordie.com/oembed', true ),
- '#https?://(www\.)?twitter.com/.+?/status(es)?/.*#i' => array( 'http://api.twitter.com/1/statuses/oembed.{format}', true ),
- ) );
+ '#https?://(.+\.)?polldaddy\.com/.*#i' => array( 'http://polldaddy.com/oembed/', true ),
+ '#https?://(www\.)?funnyordie\.com/videos/.*#i' => array( 'http://www.funnyordie.com/oembed', true ),
+ '#https?://(www\.)?twitter\.com/.+?/status(es)?/.*#i'=> array( 'http://api.twitter.com/1/statuses/oembed.{format}', true ),
+ '#https?://(www\.)?soundcloud\.com/.*#i' => array( 'http://soundcloud.com/oembed', true ),
+ '#https?://(www\.)?slideshare\.net/*#' => array( 'http://www.slideshare.net/api/oembed/2', true ),
+ '#http://instagr(\.am|am\.com)/p/.*#i' => array( 'http://api.instagram.com/oembed', true ),
+ '#https?://(www\.)?rdio\.com/.*#i' => array( 'http://www.rdio.com/api/oembed/', true ),
+ '#https?://rd\.io/x/.*#i' => array( 'http://www.rdio.com/api/oembed/', true ),
+ '#https?://(open|play)\.spotify\.com/.*#i' => array( 'https://embed.spotify.com/oembed/', true ),
+ );
+ /**
+ * Filter the list of oEmbed providers.
+ *
+ * Discovery is disabled for users lacking the unfiltered_html capability.
+ * Only providers in this array will be used for those users.
+ *
+ * @see wp_oembed_add_provider()
+ *
+ * @since 2.9.0
+ *
+ * @param array $providers An array of popular oEmbed providers.
+ */
+ $this->providers = apply_filters( 'oembed_providers', $providers );
// Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop().
- add_filter( 'oembed_dataparse', array(&$this, '_strip_newlines'), 10, 3 );
+ add_filter( 'oembed_dataparse', array($this, '_strip_newlines'), 10, 3 );
}
/**
list( $providerurl, $regex ) = $data;
// Turn the asterisk-type provider URLs into regex
- if ( !$regex )
+ if ( !$regex ) {
$matchmask = '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $matchmask ), '#' ) ) . '#i';
+ $matchmask = preg_replace( '|^#http\\\://|', '#https?\://', $matchmask );
+ }
if ( preg_match( $matchmask, $url ) ) {
$provider = str_replace( '{format}', 'json', $providerurl ); // JSON is easier to deal with than XML
if ( !$provider || false === $data = $this->fetch( $provider, $url, $args ) )
return false;
+ /**
+ * Filter the HTML returned by the oEmbed provider.
+ *
+ * @since 2.9.0
+ *
+ * @param string $data The returned oEmbed HTML.
+ * @param string $url URL of the content to be embedded.
+ * @param array $args Optional arguments, usually passed from a shortcode.
+ */
return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args );
}
$providers = array();
// Fetch URL content
- if ( $html = wp_remote_retrieve_body( wp_remote_get( $url ) ) ) {
-
- // <link> types that contain oEmbed provider URLs
+ if ( $html = wp_remote_retrieve_body( wp_safe_remote_get( $url ) ) ) {
+
+ /**
+ * Filter the link types that contain oEmbed provider URLs.
+ *
+ * @since 2.9.0
+ *
+ * @param array $format Array of oEmbed link types. Accepts 'application/json+oembed',
+ * 'text/xml+oembed', and 'application/xml+oembed' (incorrect,
+ * used by at least Vimeo).
+ */
$linktypes = apply_filters( 'oembed_linktypes', array(
'application/json+oembed' => 'json',
'text/xml+oembed' => 'xml',
- 'application/xml+oembed' => 'xml', // Incorrect, but used by at least Vimeo
+ 'application/xml+oembed' => 'xml',
) );
// Strip <body>
$provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );
$provider = add_query_arg( 'url', urlencode($url), $provider );
+ /**
+ * Filter the oEmbed URL to be fetched.
+ *
+ * @since 2.9.0
+ *
+ * @param string $provider URL of the oEmbed provider.
+ * @param string $url URL of the content to be embedded.
+ * @param array $args Optional arguments, usually passed from a shortcode.
+ */
+ $provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args );
+
foreach( array( 'json', 'xml' ) as $format ) {
$result = $this->_fetch_with_format( $provider, $format );
if ( is_wp_error( $result ) && 'not-implemented' == $result->get_error_code() )
*/
function _fetch_with_format( $provider_url_with_args, $format ) {
$provider_url_with_args = add_query_arg( 'format', $format, $provider_url_with_args );
- $response = wp_remote_get( $provider_url_with_args );
+ $response = wp_safe_remote_get( $provider_url_with_args );
if ( 501 == wp_remote_retrieve_response_code( $response ) )
return new WP_Error( 'not-implemented' );
if ( ! $body = wp_remote_retrieve_body( $response ) )
* @access private
*/
function _parse_xml( $response_body ) {
- if ( function_exists('simplexml_load_string') ) {
- $errors = libxml_use_internal_errors( 'true' );
- $data = simplexml_load_string( $response_body );
- libxml_use_internal_errors( $errors );
- if ( is_object( $data ) )
- return $data;
+ if ( ! function_exists( 'libxml_disable_entity_loader' ) )
+ return false;
+
+ $loader = libxml_disable_entity_loader( true );
+ $errors = libxml_use_internal_errors( true );
+
+ $return = $this->_parse_xml_body( $response_body );
+
+ libxml_use_internal_errors( $errors );
+ libxml_disable_entity_loader( $loader );
+
+ return $return;
+ }
+
+ /**
+ * Helper function for parsing an XML response body.
+ *
+ * @since 3.6.0
+ * @access private
+ */
+ private function _parse_xml_body( $response_body ) {
+ if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument' ) )
+ return false;
+
+ $dom = new DOMDocument;
+ $success = $dom->loadXML( $response_body );
+ if ( ! $success )
+ return false;
+
+ if ( isset( $dom->doctype ) )
+ return false;
+
+ foreach ( $dom->childNodes as $child ) {
+ if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType )
+ return false;
}
- return false;
+
+ $xml = simplexml_import_dom( $dom );
+ if ( ! $xml )
+ return false;
+
+ $return = new stdClass;
+ foreach ( $xml as $key => $value ) {
+ $return->$key = (string) $value;
+ }
+
+ return $return;
}
/**
$return = false;
}
- // You can use this filter to add support for custom data types or to filter the result
+ /**
+ * Filter the returned oEmbed HTML.
+ *
+ * Use this filter to add support for custom data types, or to filter the result.
+ *
+ * @since 2.9.0
+ *
+ * @param string $return The returned oEmbed HTML.
+ * @param object $data A data object result from an oEmbed provider.
+ * @param string $url The URL of the content to be embedded.
+ */
return apply_filters( 'oembed_dataparse', $return, $data, $url );
}
*
* @return WP_oEmbed object.
*/
-function &_wp_oembed_get_object() {
+function _wp_oembed_get_object() {
static $wp_oembed;
if ( is_null($wp_oembed) )