Source of file Vimeo.php

<?php

/**

 * Created by PhpStorm.

 * User: Mike

 * Date: 7/23/2017

 * Time: 11:39 AM

 */

namespace AudioDidact\SupportedSites;

use AudioDidact\Video;

class Vimeo extends SupportedSite {

	// Setup global variables

	/** @var string Vimeo URL */

	private $vimeoConfigBaseURL = "https://player.vimeo.com/video/";

	private $vimeoBaseURL = "https://vimeo.com/";

	private $downloadURL = "";

	private $thumbnailURL = "";

	/**

	 * YouTube constructor. Gets the video information, checks for it in the user's feed.

	 *

	 * @param string $str

	 * @param boolean $isVideo

	 * @throws \Exception

	 */

	public function __construct($str, $isVideo = false){

		$this->video = new Video();

		// If there is a URL/ID, continue

		if($str != null){

			$this->video->setURL($str);

			$this->video->setIsVideo($isVideo);

			// Set video ID from setYoutubeID and time to current time

			$this->video->setId($this->setVimeoID($str));

			$this->video->setFilename($this->video->getId());

			$this->video->setThumbnailFilename($this->video->getFilename() . ".jpg");

			$this->video->setTime(time());

			$info = $this->getInfo();

			$this->video->setTitle($info["title"]);

			$this->video->setAuthor($info["author"]);

			$this->video->setDesc($info["description"]);

		}

	}

	/**

	 * @return array

	 * @throws \Exception

	 */

	private function getInfo(){

		$configJSON = file_get_contents($this->vimeoConfigBaseURL . $this->video->getId() . "/config");

		$config = json_decode($configJSON, true);

		if($config == false){

			throw new \Exception("Unable to parse vimeo JSON");

		}

		if(!isset($config["request"]["files"])){

			throw new \Exception("Private video or some other parse error");

		}

		$downloadURLs = $config["request"]["files"]["progressive"];

		$this->downloadURL = $downloadURLs[count($downloadURLs) - 1]["url"];

		$this->thumbnailURL = $config["video"]["thumbs"]["640"];

		$info = [];

		$info["author"] = $config["video"]["owner"]["name"];

		$info["title"] = $config["video"]["title"];

		$videoHTML = file_get_contents($this->vimeoBaseURL . $this->video->getId());

		$doc = new \DOMDocument();

		libxml_use_internal_errors(true);

		$doc->loadHTML($videoHTML);

		$finder = new \DomXPath($doc);

		$info["description"] = "";

		$nodes = $finder->query("//div[@class='clip_details-description description-wrapper iris_desc']");

		foreach($nodes as $i){

			/** @var \DOMElement $i */

			$info["description"] = trim($i->textContent);

		}

		return $info;

	}

	/**

	 * Set YouTube ID from a given string using parseYoutubeURL

	 *

	 * @param string $str

	 * @return bool

	 * @throws \Exception

	 */

	private function setVimeoID($str){

		$vidId = [];

		// Try and parse the string into a usable ID

		$tmpId = mb_ereg("vimeo\.com\/(\d{9})", $str, $vidId);

		if($tmpId > 0 && count($vidId) == 2){

			return $vidId[1];

		}

		error_log("unable to parse vimeo URL " . $str);

		throw new \Exception("Could not parse that vimeo URL");

	}

	/**

	 * Download thumbnail using videoID from YouTube's image server

	 */

	public function downloadThumbnail(){

		$path = getcwd() . DIRECTORY_SEPARATOR . DOWNLOAD_PATH . DIRECTORY_SEPARATOR;

		$thumbnail = $path . $this->video->getThumbnailFilename();

		file_put_contents($thumbnail, fopen($this->thumbnailURL, "r"));

		// Set the thumbnail file as publicly accessible

		@chmod($thumbnail, 0775);

	}

	/**

	 * Download video using download URL from Python script and then call downloadWithPercentage to actually download

	 * the video

	 *

	 * @throws \Exception

	 */

	public function downloadVideo(){

		$path = getcwd() . DIRECTORY_SEPARATOR . DOWNLOAD_PATH . DIRECTORY_SEPARATOR;

		$videoFilename = $this->video->getFilename() . ".mp4";

		$videoPath = $path . $videoFilename;

		$url = $this->downloadURL;

		if(mb_strpos($url, "Error:") > -1){

			error_log("$url");

			throw new \Exception($url);

		}

		/* Actually download the video from the url and print the

		 * percentage to the screen with JSON

		 */

		$this->downloadWithPercentage($url, $videoPath);

		// Set the video file as publicly accessible

		@chmod($videoPath, 0775);

		$this->video->setDuration(SupportedSite::getDurationSeconds($videoPath));

	}

	public static function supportsURL($url){

		return mb_strpos($url, "vimeo.com") > -1;

	}

}