File: /var/www/html/wp-content/plugins/wpseo-video/detail-retrieval/class-blip.php
<?php
/**
* Yoast SEO Video plugin file.
*
* @package Internals
* @since 1.7.0
* @version 1.7.0
*/
// Avoid direct calls to this file.
if ( ! class_exists( 'WPSEO_Video_Sitemap' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
/**
* Blip.tv Video SEO Details
*
* @todo consider changing retrieval to json ?
*
* JSON response format [2014/7/22] based on retrieval via http://blip.tv/oembed/?url=%s :
* {
* "width":480,
* "author_name":"nostalgiacritic",
* "author_url":"http://blip.tv/nostalgiacritic",
* "provider_url":"http://blip.tv",
* "version":"1.0",
* "thumbnail_width":480,
* "provider_name":"Blip",
* "thumbnail_url":"http://a.images.blip.tv/NostalgiaCritic-NostalgiaCriticSailorMoon314.jpg",
* "height":392,
* "thumbnail_height":392,
* "html":"<iframe src=\"http://blip.tv/play/gbk7g5S1HwI.x?p=1\" width=\"480\" height=\"392\" frameborder=\"0\" allowfullscreen></iframe><embed type=\"application/x-shockwave-flash\" src=\"http://a.blip.tv/api.swf#gbk7g5S1HwI\" style=\"display:none\"></embed>",
* "type":"video",
* "title":"Nostalgia Critic: Sailor Moon"
* }
*/
if ( ! class_exists( 'WPSEO_Video_Details_Blip' ) ) {
/**
* Class WPSEO_Video_Details_Blip
*
* {@internal Blip videos have an embedLookup in the format 'gbk7g5S1HwI' and a numeric ID.
* These two have no discernable relation to each other. Detail lookup can be done
* via two distinct methods, for one the embedLookup is usable, for the other the ID.}
*/
class WPSEO_Video_Details_Blip extends WPSEO_Video_Details_Oembed {
/**
* Different remote information retrieval sets to be used depending on the information available.
*
* @var array<string, array<string, string>>
*/
private $remotes = [
'rss' => [
'pattern' => 'http://blip.tv/rss/view/%s',
'replace_key' => 'id',
'response_type' => '',
],
'oembed' => [
'pattern' => 'http://blip.tv/oembed/?url=%s',
'replace_key' => 'url',
'response_type' => 'json',
],
];
/**
* OEmbed or RSS.
*
* @var string
*/
private $retrieve_method = '';
/**
* Instantiate the class and determine which remote retrieval method we can use before
* passing of to the parent constructor.
*
* @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.
*/
public function __construct( $vid, $old_vid = [] ) {
if ( isset( $vid['url'] ) ) {
$this->retrieve_method = 'oembed';
}
elseif ( isset( $vid['embedlookup'] ) ) {
$vid['url'] = 'http://blip.tv/play/' . $vid['embedlookup'];
$this->retrieve_method = 'oembed';
}
elseif ( isset( $vid['id'] ) ) {
$this->retrieve_method = 'rss';
}
if ( isset( $this->remotes[ $this->retrieve_method ] ) ) {
$this->remote_url = $this->remotes[ $this->retrieve_method ];
}
parent::__construct( $vid, $old_vid );
}
/**
* Check if the response is for a video
*
* @return bool
*/
protected function is_video_response() {
$valid = false;
switch ( $this->retrieve_method ) {
case 'oembed':
$valid = parent::is_video_response();
break;
case 'rss':
// No way from the base rss info to determine whether it is video, but most info should not match anyway if it isn't.
if ( ! empty( $this->decoded_response ) ) {
$valid = true;
}
break;
}
return $valid;
}
/**
* Set video details to their new values
*
* @return void
*/
protected function put_video_details() {
$this->set_embedlookup();
parent::put_video_details();
}
/**
* Set the content location
*
* @return void
*/
protected function set_content_loc() {
if ( $this->retrieve_method === 'rss' && preg_match( '`<enclosure length="[\d]+" type="[^"]+" url="([^"]+)"/>`', $this->decoded_response, $match ) ) {
$this->vid['content_loc'] = $match[1];
}
}
/**
* Set the video duration
*
* @return void
*/
protected function set_duration() {
switch ( $this->retrieve_method ) {
case 'oembed':
parent::set_duration();
break;
case 'rss':
if ( preg_match( '`<blip:runtime>(\d+)</blip:runtime>`', $this->decoded_response, $match ) ) {
$this->vid['duration'] = $match[1];
}
break;
}
}
/**
* Grab the embedlookup so we can use the faster oembed method next time.
*
* @return void
*/
protected function set_embedlookup() {
switch ( $this->retrieve_method ) {
case 'oembed':
// Do this for oembed too as the embedlookup is used for the player loc.
if ( empty( $this->vid['embedlookup'] ) && ! empty( $this->decoded_response->html ) ) {
$this->decoded_response->html = stripslashes( $this->decoded_response->html );
if ( preg_match( '`src="http://blip\.tv/play/([A-Za-z0-9-]{5,})(?:"|[&%\./])`i', $this->decoded_response->html, $match ) ) {
$this->vid['embedlookup'] = $match[1];
}
}
break;
case 'rss':
if ( preg_match( '`<blip:embedLookup>([A-Za-z0-9-]{5,})</blip:embedLookup>`', $this->decoded_response, $match ) ) {
$this->vid['embedlookup'] = $match[1];
}
break;
}
}
/**
* Set the video height
*
* @return void
*/
protected function set_height() {
switch ( $this->retrieve_method ) {
case 'oembed':
parent::set_height();
break;
case 'rss':
if ( preg_match( '`<media:player url=.+?<iframe.+?" height="([0-9]+)"`', $this->decoded_response, $match ) ) {
$this->vid['height'] = $match[1];
}
break;
}
}
/**
* Set the player location
*
* @return void
*/
protected function set_player_loc() {
switch ( $this->retrieve_method ) {
case 'oembed':
if ( ! empty( $this->vid['embedlookup'] ) ) {
// @todo [JRF => Yoast] Review if this could be the correct player loc
$this->vid['player_loc'] = 'http://a.blip.tv/api.swf#' . urlencode( $this->vid['embedlookup'] );
}
break;
case 'rss':
if ( preg_match( '`<media:player url="([^"]+)">`', $this->decoded_response, $match ) ) {
$this->vid['player_loc'] = $match[1];
}
break;
}
}
/**
* Set the thumbnail location
*
* @return void
*/
protected function set_thumbnail_loc() {
switch ( $this->retrieve_method ) {
case 'oembed':
parent::set_thumbnail_loc();
break;
case 'rss':
if ( preg_match( '`<media:thumbnail url="([^"]+)"/>`', $this->decoded_response, $match ) ) {
$image = $this->make_image_local( $match[1] );
if ( is_string( $image ) && $image !== '' ) {
$this->vid['thumbnail_loc'] = $image;
}
}
break;
}
}
/**
* Set the video type
*
* @todo - chould this be changed to blip ? or does that impact something else ?
*
* @return void
*/
protected function set_type() {
$this->vid['type'] = 'blip.tv';
}
/**
* Set the video width
*
* @return void
*/
protected function set_width() {
switch ( $this->retrieve_method ) {
case 'oembed':
parent::set_width();
break;
case 'rss':
if ( preg_match( '`<media:player url=.+?<iframe.+?" width="([0-9]+)"`', $this->decoded_response, $match ) ) {
$this->vid['width'] = $match[1];
}
break;
}
}
}
}