alltube/classes/Video.php
0x6470 8f7601edd8
Fix xHamster support, fixes #264 (#276)
* Fix xhamster support

* Send http headers properly

* added spaces

* convert stdObject to array for comparison

Co-authored-by: Pierre Rudloff <contact@rudloff.pro>
2020-05-14 10:59:59 +02:00

645 lines
18 KiB
PHP

<?php
/**
* VideoDownload class.
*/
namespace Alltube;
use Alltube\Exception\EmptyUrlException;
use Alltube\Exception\PasswordException;
use Exception;
use GuzzleHttp\Client;
use Psr\Http\Message\ResponseInterface;
use stdClass;
use Symfony\Component\Process\Process;
/**
* Extract info about videos.
*
* Due to the way youtube-dl behaves, this class can also contain information about a playlist.
*
* @property-read string $title Title
* @property-read string $protocol Network protocol (HTTP, RTMP, etc.)
* @property-read string $url File URL
* @property-read string $ext File extension
* @property-read string $extractor_key youtube-dl extractor class used
* @property-read array $entries List of videos (if the object contains information about a playlist)
* @property-read array $rtmp_conn
* @property-read string|null $_type Object type (usually "playlist" or null)
* @property-read stdClass $downloader_options
* @property-read stdClass $http_headers
*/
class Video
{
/**
* Config instance.
*
* @var Config
*/
private $config;
/**
* URL of the page containing the video.
*
* @var string
*/
private $webpageUrl;
/**
* Requested video format.
*
* @var string
*/
private $requestedFormat;
/**
* Password.
*
* @var string|null
*/
private $password;
/**
* JSON object returned by youtube-dl.
*
* @var stdClass
*/
private $json;
/**
* URLs of the video files.
*
* @var string[]
*/
private $urls;
/**
* LocaleManager instance.
*
* @var LocaleManager
*/
protected $localeManager;
/**
* VideoDownload constructor.
*
* @param string $webpageUrl URL of the page containing the video
* @param string $requestedFormat Requested video format
* (can be any format string accepted by youtube-dl,
* including selectors like "[height<=720]")
* @param string $password Password
*/
public function __construct($webpageUrl, $requestedFormat = 'best', $password = null)
{
$this->webpageUrl = $webpageUrl;
$this->requestedFormat = $requestedFormat;
$this->password = $password;
$this->config = Config::getInstance();
$this->localeManager = LocaleManager::getInstance();
}
/**
* Return a youtube-dl process with the specified arguments.
*
* @param string[] $arguments Arguments
*
* @return Process<string>
*/
private static function getProcess(array $arguments)
{
$config = Config::getInstance();
return new Process(
array_merge(
[$config->python, $config->youtubedl],
$config->params,
$arguments
)
);
}
/**
* List all extractors.
*
* @return string[] Extractors
*
* @throws PasswordException
*/
public static function getExtractors()
{
$video = new self('');
return explode("\n", trim($video->callYoutubedl(['--list-extractors'])));
}
/**
* Call youtube-dl.
*
* @param string[] $arguments Arguments
*
* @return string Result
* @throws Exception If the password is wrong
* @throws Exception If youtube-dl returns an error
*
* @throws PasswordException If the video is protected by a password and no password was specified
*/
private function callYoutubedl(array $arguments)
{
$config = Config::getInstance();
$process = self::getProcess($arguments);
//This is needed by the openload extractor because it runs PhantomJS
$process->setEnv(['PATH' => $config->phantomjsDir]);
$process->run();
if (!$process->isSuccessful()) {
$errorOutput = trim($process->getErrorOutput());
$exitCode = intval($process->getExitCode());
if ($errorOutput == 'ERROR: This video is protected by a password, use the --video-password option') {
throw new PasswordException($errorOutput, $exitCode);
} elseif (substr($errorOutput, 0, 21) == 'ERROR: Wrong password') {
throw new Exception($this->localeManager->t('Wrong password'), $exitCode);
} else {
throw new Exception($errorOutput, $exitCode);
}
} else {
return trim($process->getOutput());
}
}
/**
* Get a property from youtube-dl.
*
* @param string $prop Property
*
* @return string
* @throws PasswordException
*/
private function getProp($prop = 'dump-json')
{
$arguments = ['--' . $prop];
if (isset($this->webpageUrl)) {
$arguments[] = $this->webpageUrl;
}
if (isset($this->requestedFormat)) {
$arguments[] = '-f';
$arguments[] = $this->requestedFormat;
}
if (isset($this->password)) {
$arguments[] = '--video-password';
$arguments[] = $this->password;
}
return $this->callYoutubedl($arguments);
}
/**
* Get all information about a video.
*
* @return stdClass Decoded JSON
*
* @throws PasswordException
*/
public function getJson()
{
if (!isset($this->json)) {
$this->json = json_decode($this->getProp('dump-single-json'));
}
return $this->json;
}
/**
* Magic method to get a property from the JSON object returned by youtube-dl.
*
* @param string $name Property
*
* @return mixed
* @throws PasswordException
*/
public function __get($name)
{
if (isset($this->$name)) {
return $this->getJson()->$name;
}
return null;
}
/**
* Magic method to check if the JSON object returned by youtube-dl has a property.
*
* @param string $name Property
*
* @return bool
* @throws PasswordException
*/
public function __isset($name)
{
return isset($this->getJson()->$name);
}
/**
* Get URL of video from URL of page.
*
* It generally returns only one URL.
* But it can return two URLs when multiple formats are specified
* (eg. bestvideo+bestaudio).
*
* @return string[] URLs of video
* @throws EmptyUrlException
* @throws PasswordException
*/
public function getUrl()
{
// Cache the URLs.
if (!isset($this->urls)) {
$this->urls = explode("\n", $this->getProp('get-url'));
if (empty($this->urls[0])) {
throw new EmptyUrlException($this->localeManager->t('youtube-dl returned an empty URL.'));
}
}
return $this->urls;
}
/**
* Get filename of video file from URL of page.
*
* @return string Filename of extracted video
*
* @throws PasswordException
*/
public function getFilename()
{
return trim($this->getProp('get-filename'));
}
/**
* Get filename of video with the specified extension.
*
* @param string $extension New file extension
*
* @return string Filename of extracted video with specified extension
* @throws PasswordException
*/
public function getFileNameWithExtension($extension)
{
return str_replace('.' . $this->ext, '.' . $extension, $this->getFilename());
}
/**
* Return arguments used to run rtmp for a specific video.
*
* @return string[] Arguments
*/
private function getRtmpArguments()
{
$arguments = [];
if ($this->protocol == 'rtmp') {
foreach (
[
'url' => '-rtmp_tcurl',
'webpage_url' => '-rtmp_pageurl',
'player_url' => '-rtmp_swfverify',
'flash_version' => '-rtmp_flashver',
'play_path' => '-rtmp_playpath',
'app' => '-rtmp_app',
] as $property => $option
) {
if (isset($this->{$property})) {
$arguments[] = $option;
$arguments[] = $this->{$property};
}
}
if (isset($this->rtmp_conn)) {
foreach ($this->rtmp_conn as $conn) {
$arguments[] = '-rtmp_conn';
$arguments[] = $conn;
}
}
}
return $arguments;
}
/**
* Check if a command runs successfully.
*
* @param string[] $command Command and arguments
*
* @return bool False if the command returns an error, true otherwise
*/
public static function checkCommand(array $command)
{
$process = new Process($command);
$process->run();
return $process->isSuccessful();
}
/**
* Get a process that runs avconv in order to convert a video.
*
* @param int $audioBitrate Audio bitrate of the converted file
* @param string $filetype Filetype of the converted file
* @param bool $audioOnly True to return an audio-only file
* @param string $from Start the conversion at this time
* @param string $to End the conversion at this time
*
* @return Process<string> Process
* @throws Exception If avconv/ffmpeg is missing
*
*/
private function getAvconvProcess(
$audioBitrate,
$filetype = 'mp3',
$audioOnly = true,
$from = null,
$to = null
) {
if (!$this->checkCommand([$this->config->avconv, '-version'])) {
throw new Exception(
$this->localeManager->t(
"Can't find avconv or ffmpeg at @path.",
['@path' => $this->config->avconv]
)
);
}
$durationRegex = '/(\d+:)?(\d+:)?(\d+)/';
$afterArguments = [];
if ($audioOnly) {
$afterArguments[] = '-vn';
}
if (!empty($from)) {
if (!preg_match($durationRegex, $from)) {
throw new Exception($this->localeManager->t('Invalid start time: @from.', ['@from' => $from]));
}
$afterArguments[] = '-ss';
$afterArguments[] = $from;
}
if (!empty($to)) {
if (!preg_match($durationRegex, $to)) {
throw new Exception($this->localeManager->t('Invalid end time: @to.', ['@to' => $to]));
}
$afterArguments[] = '-to';
$afterArguments[] = $to;
}
$urls = $this->getUrl();
$arguments = array_merge(
[
$this->config->avconv,
'-v', $this->config->avconvVerbosity,
],
$this->getRtmpArguments(),
[
'-i', $urls[0],
'-f', $filetype,
'-b:a', $audioBitrate . 'k',
],
$afterArguments,
[
'pipe:1',
]
);
//Vimeo needs a correct user-agent
$arguments[] = '-user_agent';
$arguments[] = $this->getProp('dump-user-agent');
return new Process($arguments);
}
/**
* Get audio stream of converted video.
*
* @param string $from Start the conversion at this time
* @param string $to End the conversion at this time
*
* @return resource popen stream
* @throws Exception If the popen stream was not created correctly
*
* @throws Exception If your try to convert an M3U8 video
*/
public function getAudioStream($from = null, $to = null)
{
if (isset($this->_type) && $this->_type == 'playlist') {
throw new Exception($this->localeManager->t('Conversion of playlists is not supported.'));
}
if (isset($this->protocol)) {
if (in_array($this->protocol, ['m3u8', 'm3u8_native'])) {
throw new Exception($this->localeManager->t('Conversion of M3U8 files is not supported.'));
} elseif ($this->protocol == 'http_dash_segments') {
throw new Exception($this->localeManager->t('Conversion of DASH segments is not supported.'));
}
}
$avconvProc = $this->getAvconvProcess($this->config->audioBitrate, 'mp3', true, $from, $to);
$stream = popen($avconvProc->getCommandLine(), 'r');
if (!is_resource($stream)) {
throw new Exception($this->localeManager->t('Could not open popen stream.'));
}
return $stream;
}
/**
* Get video stream from an M3U playlist.
*
* @return resource popen stream
* @throws Exception If the popen stream was not created correctly
*
* @throws Exception If avconv/ffmpeg is missing
*/
public function getM3uStream()
{
if (!$this->checkCommand([$this->config->avconv, '-version'])) {
throw new Exception(
$this->localeManager->t(
"Can't find avconv or ffmpeg at @path.",
['@path' => $this->config->avconv]
)
);
}
$urls = $this->getUrl();
$process = new Process(
[
$this->config->avconv,
'-v', $this->config->avconvVerbosity,
'-i', $urls[0],
'-f', $this->ext,
'-c', 'copy',
'-bsf:a', 'aac_adtstoasc',
'-movflags', 'frag_keyframe+empty_moov',
'pipe:1',
]
);
$stream = popen($process->getCommandLine(), 'r');
if (!is_resource($stream)) {
throw new Exception($this->localeManager->t('Could not open popen stream.'));
}
return $stream;
}
/**
* Get an avconv stream to remux audio and video.
*
* @return resource popen stream
* @throws Exception If the popen stream was not created correctly
*
*/
public function getRemuxStream()
{
$urls = $this->getUrl();
if (!isset($urls[0]) || !isset($urls[1])) {
throw new Exception($this->localeManager->t('This video does not have two URLs.'));
}
$process = new Process(
[
$this->config->avconv,
'-v', $this->config->avconvVerbosity,
'-i', $urls[0],
'-i', $urls[1],
'-c', 'copy',
'-map', '0:v:0',
'-map', '1:a:0',
'-f', 'matroska',
'pipe:1',
]
);
$stream = popen($process->getCommandLine(), 'r');
if (!is_resource($stream)) {
throw new Exception($this->localeManager->t('Could not open popen stream.'));
}
return $stream;
}
/**
* Get video stream from an RTMP video.
*
* @return resource popen stream
* @throws Exception If the popen stream was not created correctly
*
*/
public function getRtmpStream()
{
$urls = $this->getUrl();
$process = new Process(
array_merge(
[
$this->config->avconv,
'-v', $this->config->avconvVerbosity,
],
$this->getRtmpArguments(),
[
'-i', $urls[0],
'-f', $this->ext,
'pipe:1',
]
)
);
$stream = popen($process->getCommandLine(), 'r');
if (!is_resource($stream)) {
throw new Exception($this->localeManager->t('Could not open popen stream.'));
}
return $stream;
}
/**
* Get the stream of a converted video.
*
* @param int $audioBitrate Audio bitrate of the converted file
* @param string $filetype Filetype of the converted file
*
* @return resource popen stream
* @throws Exception If the popen stream was not created correctly
*
* @throws Exception If your try to convert and M3U8 video
*/
public function getConvertedStream($audioBitrate, $filetype)
{
if (in_array($this->protocol, ['m3u8', 'm3u8_native'])) {
throw new Exception($this->localeManager->t('Conversion of M3U8 files is not supported.'));
}
$avconvProc = $this->getAvconvProcess($audioBitrate, $filetype, false);
$stream = popen($avconvProc->getCommandLine(), 'r');
if (!is_resource($stream)) {
throw new Exception($this->localeManager->t('Could not open popen stream.'));
}
return $stream;
}
/**
* Get the same video but with another format.
*
* @param string $format New format
*
* @return Video
*/
public function withFormat($format)
{
return new self($this->webpageUrl, $format, $this->password);
}
/**
* Get a HTTP response containing the video.
*
* @param mixed[] $headers HTTP headers of the request
*
* @return ResponseInterface
* @throws EmptyUrlException
* @throws PasswordException
*/
public function getHttpResponse(array $headers = [])
{
$client = new Client();
$urls = $this->getUrl();
$stream_context_options = [];
if (array_key_exists('Referer', (array)$this->http_headers)) {
$stream_context_options = [
'http' => [
'header' => 'Referer: ' . $this->http_headers->Referer
]
];
}
return $client->request(
'GET',
$urls[0],
[
'stream' => true,
'stream_context' => $stream_context_options,
'headers' => array_merge((array)$this->http_headers, $headers)
]
);
}
}