<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Youtube extends MY_Controller
{
public function __construct()
{
parent::__construct('tools');
$this->load->model('YoutubeDownloadModel', '', TRUE);
$this->load->model('RedirectModel', '', TRUE);
}
public function index()
{
$this->load->view('header', ['active' => 'youtube-downloader', 'title' => lang('ytdl_site_title')]);
$this->load->view('youtube_downloader');
$this->load->view('footer');
}
public function download()
{
if (empty($_GET['mime']) OR empty($_GET['token'])) {
header("Location: /youtube");
}
$mime = filter_var($_GET['mime']);
$ext = str_replace(array('/', 'x-'), '', strstr($mime, '/'));
$url = base64_decode(filter_var($_GET['token']));
$name = urldecode($_GET['title']) . '.' . $ext;
echo $url;
if ($url) {
$size = $this->YoutubeDownloadModel->get_size($url);
// Generate the server headers
if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE) {
header('Content-Type: "' . $mime . '"');
header('Content-Disposition: attachment; filename="' . $name . '"');
header('Expires: 0');
header('Content-Length: ' . $size);
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header("Content-Transfer-Encoding: binary");
header('Pragma: public');
} else {
header('Content-Type: "' . $mime . '"');
header('Content-Disposition: attachment; filename="' . $name . '"');
header("Content-Transfer-Encoding: binary");
header('Expires: 0');
header('Content-Length: ' . $size);
header('Pragma: no-cache');
}
readfile($url);
exit;
}
}
public function video()
{
echo $this->load->view('header', ['title' => lang('ytdl_site_title'), 'active' => 'youtube-downloader'], true);
if (isset($_REQUEST['videoid'])) {
$my_id = $_REQUEST['videoid'];
if (preg_match('/^https:\/\/w{3}?.youtube.com\//', $my_id)) {
$url = parse_url($my_id);
$my_id = NULL;
if (is_array($url) && count($url) > 0 && isset($url['query']) && !empty($url['query'])) {
$parts = explode('&', $url['query']);
if (is_array($parts) && count($parts) > 0) {
foreach ($parts as $p) {
$pattern = '/^v\=/';
if (preg_match($pattern, $p)) {
$my_id = preg_replace($pattern, '', $p);
break;
}
}
}
if (!$my_id) {
header("Location: /tools/youtube?error=1");
exit;
}
} else {
header("Location: /tools/youtube?error=2");
exit;
}
} elseif (preg_match('/^https?:\/\/youtu.be/', $my_id)) {
$url = parse_url($my_id);
$my_id = NULL;
$my_id = preg_replace('/^\//', '', $url['path']);
}
} else {
header("Location: /tools/youtube?error=1");
exit;
}
if (isset($_REQUEST['type'])) {
$my_type = $_REQUEST['type'];
} else {
$my_type = 'redirect';
}
if ($my_type == 'Download') {
?>
<section class="container">
<h1 class="center"><?= lang('ytdl_title'); ?></h1>
<p class="lead center"><?= lang('ytdl_description'); ?></p>
<div class="row center">
<?php
} // end of if for type=Download
/* First get the video info page for this video id */
//$my_video_info = 'http://www.youtube.com/get_video_info?&video_id='. $my_id;
$my_video_info = 'http://www.youtube.com/get_video_info?&video_id=' . $my_id . '&asv=3&el=detailpage&hl=' . lang('ytdl_language'); //video details fix *1
$my_video_info = $this->YoutubeDownloadModel->curlGet($my_video_info);
/* TODO: Check return from curl for status code */
if (empty($my_video_info)) {
header("Location: /tools/youtube?error=3");
}
$thumbnail_url = $title = $view_count = $author = $length_seconds = $url_encoded_fmt_stream_map = $type = $url = '';
parse_str($my_video_info);
$length_seconds = date("i:s", $length_seconds);
$view_count = number_format($view_count, 0, ',', '.');
if ($status == 'fail') {
header("Location: /tools/youtube?error=3");
exit();
} ?>
<div id="info">
<div class="row">
<div class="col-sm-4">
<a href="/file/thumbnail/<?= $my_id; ?>" target="_blank">
<img class="float-right" style="max-width:100%" src="/file/thumbnail/<?= $my_id; ?>">
</a>
</div>
<div class="col-sm-8">
<a href="https://youtu.be/<?= $my_id ?>" target="_blank">
<h3 align="left"><?= $title; ?></h3>
</a>
<h4 align="left"><?= lang('ytdl_views'); ?>: <?= $view_count; ?></h4>
<h4 align="left"><?= lang('ytdl_length') . ': ' . $length_seconds . ' ' . lang('ytdl_minutes'); ?></h4>
<h4 align="left"><?= lang('ytdl_author') ?>:
<a href="http://youtube.com/<?= $author; ?>"
target="_blank"><?= $author; ?></a>
</h4>
<a align="left" href="https://youtu.be/<?= $my_id; ?>" target="_blank"
class="btn btn-primary raised pull-left"><?= lang('ytdl_watch'); ?></a>
</div>
</div>
</div>
</div>
<div class="row">
<?php
$my_title = $title;
$cleanedtitle = $this->YoutubeDownloadModel->clean($title);
if (isset($url_encoded_fmt_stream_map)) {
/* Now get the url_encoded_fmt_stream_map, and explode on comma */
$my_formats_array = explode(',', $url_encoded_fmt_stream_map);
} else {
echo '<p>No encoded format stream found.</p>';
echo '<p>Here is what we got from YouTube:</p>';
echo $my_video_info;
}
if (count($my_formats_array) == 0) {
echo '<p>' . lang('ytdl_error_no_downloads') . '</p>';
exit;
}
/* create an array of available download formats */
$avail_formats[] = '';
$i = 0;
$ipbits = $ip = $itag = $sig = $quality = '';
$expire = time();
foreach ($my_formats_array as $format) {
parse_str($format);
$avail_formats[$i]['itag'] = $itag;
$avail_formats[$i]['quality'] = $quality;
$type = explode(';', $type);
$avail_formats[$i]['type'] = $type[0];
$avail_formats[$i]['url'] = urldecode($url) . '&signature=' . $sig;
parse_str(urldecode($url));
$avail_formats[$i]['expires'] = date("d.m.Y G:i:s", $expire);
$avail_formats[$i]['ipbits'] = $ipbits;
$avail_formats[$i]['ip'] = $ip;
$i++;
}
if ($my_type == 'Download') {
echo '<p align="left"><b>' . lang('ytdl_available_formats') . ':</b></p>
<div class="table-responsive"><table class="table table-hover table-striped"><thead><tr><td>' . lang('ytdl_format') . '</td><td>' . lang('ytdl_quality') . '</td><td>' . lang('ytdl_size') . '</td><td>' . lang('ytdl_download_link') . '</td><td>' . lang('ytdl_available_until') . '</td></tr></thead><tbody>';
$formats = [
'22' => '720p',
'18' => '360p',
'43' => '360p',
'5' => '240p',
'36' => '240p',
'17' => '144p'
];
/* now that we have the array, print the options */
for ($i = 0; $i < count($avail_formats); $i++) {
$type = explode('/', $avail_formats[$i]['type'])[1];
$thisurl = base_url('tools/youtube/download?mime=' . $avail_formats[$i]['type'] . '&title=' . urlencode(htmlspecialchars($my_title)) . '&token=' . base64_encode($avail_formats[$i]['url']));
$url = base_url('r/' . $this->RedirectModel->addRandomItem($thisurl, true, 6));
echo '<tr><td>';
echo '<a href="' . base_url('r/' . $this->RedirectModel->addRandomItem($avail_formats[$i]['url'] . '&title=' . $cleanedtitle, true, 6)) . '" class="mime">' . $type . '</a> ';
echo '</td> ' .
'<td>' . $formats[$avail_formats[$i]['itag']] . '</td><td><span class="size">' . $this->YoutubeDownloadModel->formatBytes($this->YoutubeDownloadModel->get_size($avail_formats[$i]['url'])) . '</span></td>';
echo '<td><a href="' . $url . '" class="dl btn btn-default btn-sm">' . lang('ytdl_download_link') . '</a></td><td>' . $avail_formats[$i]['expires'] . '</td>';
echo '</tr>';
}
echo '</tbody></table></div><small>' . lang('ytdl_not_related_youtube') . '</small><br><small>' . lang('ytdl_no_haftung') . '</small><br><small>Der Betreiber nimmt Abstand von jeglichen urheberrechtsverletzenden Handlungen, die mit dem YouTube-Downloader durchgeführt werden könnten und unterstützt diese keinesfalls.</small>';
?>
</div>
</section>
<?php
} else {
/* In this else, the request didn't come from a form but from something else
* like an RSS feed.
* As a result, we just want to return the best format, which depends on what
* the user provided in the url.
* If they provided "format=best" we just use the largest.
* If they provided "format=free" we provide the best non-flash version
* If they provided "format=ipad" we pull the best MP4 version
*
* Thanks to the python based youtube-dl for info on the formats
* http://rg3.github.com/youtube-dl/
*/
$format = $_REQUEST['format'];
$target_formats = '';
switch ($format) {
case "best":
/* largest formats first */
$target_formats = array('38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13');
break;
case "free":
/* Here we include WebM but prefer it over FLV */
$target_formats = array('38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13');
break;
case "ipad":
/* here we leave out WebM video and FLV - looking for MP4 */
$target_formats = array('37', '22', '18', '17');
break;
default:
/* If they passed in a number use it */
if (is_numeric($format)) {
$target_formats[] = $format;
} else {
$target_formats = array('38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13');
}
break;
}
/* Now we need to find our best format in the list of available formats */
$best_format = '';
for ($i = 0; $i < count($target_formats); $i++) {
for ($j = 0; $j < count($avail_formats); $j++) {
if ($target_formats[$i] == $avail_formats[$j]['itag']) {
//echo '<p>Target format found, it is '. $avail_formats[$j]['itag'] .'</p>';
$best_format = $j;
break 2;
}
}
}
//echo '<p>Out of loop, best_format is '. $best_format .'</p>';
if ((isset($best_format)) &&
(isset($avail_formats[$best_format]['url'])) &&
(isset($avail_formats[$best_format]['type']))
) {
$redirect_url = $avail_formats[$best_format]['url'] . '&title=' . $cleanedtitle;
$content_type = $avail_formats[$best_format]['type'];
}
if (isset($redirect_url)) {
header("Location: $redirect_url");
}
}
$this->load->view('footer');
}
}