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<?php
/**
* @package Internals
* @since 1.8.0
* @version 1.8.0
*/
// Avoid direct calls to this file.
if ( ! class_exists( 'WPSEO_Video_Sitemap' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
/**
*****************************************************************
* Embedly Video SEO Details
*
* Embedly can also often retrieve details about videos hosted elsewhere if passed a url, see
* the response example for instance.
*
* @link http://embed.ly/docs/embed/api/endpoints/1/oembed
* @link http://embed.ly/embed/features/providers
*
* JSON response format [2014/7/22] for query http://api.embed.ly/1/oembed?url=http://bit.ly/cXVifg&format=json :
* {
* "provider_url": "http://www.youtube.com/",
* "description": "On Twitter, @Alyssa_Milano wrote \"GENIUS. Shirtless Old Spice guy replies on Twitter w/ hilarious personalized videos http://tnw.to/16XQ3 /via @Zee\"",
* "title": "Re: @Alyssa_Milano 1 | Old Spice",
* "url": "http://www.youtube.com/watch?v=-oElH6M_5i4",
* "author_name": "Old Spice",
* "height": 480,
* "thumbnail_width": 480,
* "width": 854,
* "html": "<iframe class=\"embedly-embed\" src=\"//cdn.embedly.com/widgets/media.html?url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D-oElH6M_5i4&src=http%3A%2F%2Fwww.youtube.com%2Fembed%2F-oElH6M_5i4%3Ffeature%3Doembed&image=http%3A%2F%2Fi.ytimg.com%2Fvi%2F-oElH6M_5i4%2Fhqdefault.jpg&type=text%2Fhtml&schema=youtube\" width=\"854\" height=\"480\" scrolling=\"no\" frameborder=\"0\" allowfullscreen></iframe>",
* "author_url": "http://www.youtube.com/user/OldSpice",
* "version": "1.0",
* "provider_name": "YouTube",
* "thumbnail_url": "http://i.ytimg.com/vi/-oElH6M_5i4/hqdefault.jpg",
* "type": "video",
* "thumbnail_height": 360
* }
*/
if ( ! class_exists( 'WPSEO_Video_Details_Embedly' ) ) {
/**
* Class WPSEO_Video_Details_Embedly
*
* Retrieve details via the embedly service. Can be used for nearly services.
*/
class WPSEO_Video_Details_Embedly extends WPSEO_Video_Details_Oembed {
/**
* Information on the remote URL to use for retrieving the video details.
*
* Alternative url: http://api.embed.ly/v1/api/oembed
*
* @var array
*/
protected $remote_url = array(
'pattern' => 'https://api.embed.ly/1/oembed?&url=%s&format=json',
'replace_key' => 'url',
'response_type' => 'json',
);
/**
* Embedly API key from saved options.
*
* @static
*
* @var string
*/
protected $api_key;
/**
* Whether or not we're still getting a response when retrieval is done without API key.
* After a few calls the IP address is cut off for a limited period if you're not using an API key.
*
* @static
*
* @var bool
*/
public static $functional = true;
/**
* Instantiate the class
*
* Retrieve the Embedly API key if there is any and prevent unnecessary API calls if there
* isn't one and Embedly has started to cut off the ip address
*
* @param array $vid The video array with all the data.
* @param array $old_vid The video array with all the data of the previous "fetch", if available.
*
* @return \WPSEO_Video_Details_Embedly
*/
public function __construct( $vid, $old_vid = array() ) {
if ( empty( $this->api_key ) ) {
// Grab Embedly api key if it's set.
$options = get_option( 'wpseo_video' );
if ( $options['embedly_api_key'] !== '' ) {
$this->api_key = $options['embedly_api_key'];
}
}
if ( ! empty( $this->api_key ) ) {
$this->remote_url['pattern'] .= '&key=' . $this->api_key;
}
// Prevent further API calls if the user has been cut off by Embedly.
if ( self::$functional === true ) {
parent::__construct( $vid, $old_vid );
}
else {
// @todo [JRF -> Yoast] Why not use (merge with) oldvid data here if available?
$this->vid = $vid;
}
}
/**
* Retrieve information on a video via a remote API call and prevent further API calls
* if the user has been cut off.
*/
protected function get_remote_video_info() {
$response = parent::get_remote_video_info();
if ( ! isset( $this->remote_response ) && intval( wp_remote_retrieve_response_code( $response ) ) === 403 ) {
// User has been cut off, prevent further calls from this class instance and other instances.
self::$functional = false;
}
}
/**
* Set the player location
*/
protected function set_player_loc() {
if ( ! empty( $this->decoded_response->html ) ) {
$this->decoded_response->html = stripslashes( $this->decoded_response->html );
if ( preg_match( '` src="([^"]+)"`i', $this->decoded_response->html, $match ) ) {
$this->vid['player_loc'] = $match[1];
}
}
}
/**
* Set the video type
*/
protected function set_type() {
if ( ! empty( $this->decoded_response->provider_name ) ) {
// When needed, change service.com to service.
$provider = explode( '.', $this->decoded_response->provider_name );
$this->vid['type'] = strtolower( $provider[0] );
}
else {
parent::set_type();
}
}
} /* End of class */
} /* End of class-exists wrapper */