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<?php
/**
* EmbedVideo
* EmbedVideo OEmbed Class
*
* @license MIT
* @package EmbedVideo
* @link https://www.mediawiki.org/wiki/Extension:EmbedVideo
*
**/
namespace EmbedVideo;
class OEmbed {
/**
* Data from oEmbed service.
*
* @var array
*/
private $data = [];
/**
* Main Constructor
*
* @access private
* @param array Data return from oEmbed service.
* @return void
*/
private function __construct( $data ) {
$this->data = $data;
}
/**
* Create a new object from an oEmbed URL.
*
* @access public
* @param string Full oEmbed URL to process.
* @return mixed New OEmbed object or false on initialization failure.
*/
static public function newFromRequest( $url ) {
$data = self::curlGet( $url );
if ( $data !== false ) {
// Error suppression is required as json_decode() tosses E_WARNING in contradiction to its documentation.
$data = @json_decode( $data, true );
}
if ( !$data || !is_array( $data ) ) {
return false;
}
return new self( $data );
}
/**
* Return the HTML from the data, typically an iframe.
*
* @access public
* @return mixed String HTML or false on error.
*/
public function getHtml() {
if ( isset( $this->data['html'] ) ) {
// Remove any extra HTML besides the iframe.
$iframeStart = strpos( $this->data['html'], '<iframe' );
$iframeEnd = strpos( $this->data['html'], '</iframe>' );
if ( $iframeStart !== false ) {
// Only strip if an iframe was found.
$this->data['html'] = substr( $this->data['html'], $iframeStart, $iframeEnd + 9 );
}
return $this->data['html'];
} else {
return false;
}
}
/**
* Return the title from the data.
*
* @access public
* @return mixed String or false on error.
*/
public function getTitle() {
if ( isset( $this->data['title'] ) ) {
return $this->data['title'];
} else {
return false;
}
}
/**
* Return the author name from the data.
*
* @access public
* @return mixed String or false on error.
*/
public function getAuthorName() {
if ( isset( $this->data['author_name'] ) ) {
return $this->data['author_name'];
} else {
return false;
}
}
/**
* Return the author URL from the data.
*
* @access public
* @return mixed String or false on error.
*/
public function getAuthorUrl() {
if ( isset( $this->data['author_url'] ) ) {
return $this->data['author_url'];
} else {
return false;
}
}
/**
* Return the provider name from the data.
*
* @access public
* @return mixed String or false on error.
*/
public function getProviderName() {
if ( isset( $this->data['provider_name'] ) ) {
return $this->data['provider_name'];
} else {
return false;
}
}
/**
* Return the provider URL from the data.
*
* @access public
* @return mixed String or false on error.
*/
public function getProviderUrl() {
if ( isset( $this->data['provider_url'] ) ) {
return $this->data['provider_url'];
} else {
return false;
}
}
/**
* Return the width from the data.
*
* @access public
* @return mixed Integer or false on error.
*/
public function getWidth() {
if ( isset( $this->data['width'] ) ) {
return intval( $this->data['width'] );
} else {
return false;
}
}
/**
* Return the height from the data.
*
* @access public
* @return mixed Integer or false on error.
*/
public function getHeight() {
if ( isset( $this->data['height'] ) ) {
return intval( $this->data['height'] );
} else {
return false;
}
}
/**
* Return the thumbnail width from the data.
*
* @access public
* @return mixed Integer or false on error.
*/
public function getThumbnailWidth() {
if ( isset( $this->data['thumbnail_width'] ) ) {
return intval( $this->data['thumbnail_width'] );
} else {
return false;
}
}
/**
* Return the thumbnail height from the data.
*
* @access public
* @return mixed Integer or false on error.
*/
public function getThumbnailHeight() {
if ( isset( $this->data['thumbnail_height'] ) ) {
return intval( $this->data['thumbnail_height'] );
} else {
return false;
}
}
/**
* Perform a Curl GET request.
*
* @access private
* @param string URL
* @return mixed
*/
static private function curlGet( $location ) {
global $wgServer;
$ch = curl_init();
$timeout = 10;
$useragent = "EmbedVideo/1.0/" . $wgServer;
$dateTime = gmdate( "D, d M Y H:i:s", time() ) . " GMT";
$headers = ['Date: ' . $dateTime];
$curlOptions = [
CURLOPT_TIMEOUT => $timeout,
CURLOPT_USERAGENT => $useragent,
CURLOPT_URL => $location,
CURLOPT_CONNECTTIMEOUT => $timeout,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_MAXREDIRS => 10,
CURLOPT_COOKIEFILE => sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'curlget',
CURLOPT_COOKIEJAR => sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'curlget',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => $headers
];
curl_setopt_array( $ch, $curlOptions );
$page = curl_exec( $ch );
$response_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
if ( $responseCode == 503 || $responseCode == 404 || $responseCode == 501 || $responseCode == 401 ) {
return false;
}
return $page;
}
}
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