Add the core file
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175
index.php
Executable file
175
index.php
Executable file
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<?php
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$baseurl = 'https://www.googleapis.com/youtube/v3';
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$my_key = '';
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$username = '';
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$nb_entries = 20;
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$thumb_quality = 'medium'; // can be 'default', 'medium', 'high', 'standard', 'maxres'
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function get_channel_for_user($user)
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{
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global $baseurl, $my_key;
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$url = $baseurl . '/channels?part=id&forUsername=' . $user . '&key=' . $my_key;
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$response = @file_get_contents($url);
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$data = json_decode($response, true);
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return $data['items'][0]['id'];
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}
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function get_playlists($channel)
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{
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global $baseurl, $my_key;
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$playlists = array();
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// we have to get the full snippet here, because there is no other way to get the channelId
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// of the channels you're subscribed to. 'id' returns a subscription id, which can only be
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// used to subsequently get the full snippet, so we may as well just get the whole lot up front.
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$url = $baseurl . '/subscriptions?part=snippet&channelId=' . $channel . '&maxResults=50&key=' . $my_key;
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$next_page = '';
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while (true) {
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// we are limited to 50 results. if the user subscribed to more than 50 channels
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// we have to make multiple requests here.
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$response = @file_get_contents($url . $next_page);
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$data = json_decode($response, true);
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$subs = array();
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foreach ($data['items'] as $i) {
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if ($i['kind'] == 'youtube#subscription') {
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$subs[] = $i['snippet']['resourceId']['channelId'];
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}
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}
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// actually getting the channel uploads requires knowing the upload playlist ID, which means
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// another request. luckily we can bulk these 50 at a time.
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$purl = $baseurl . '/channels?part=contentDetails&id=' . implode('%2C', $subs) . '&maxResults=50&key=' . $my_key;
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$response2 = @file_get_contents($purl);
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$data2 = json_decode($response2, true);
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foreach ($data2['items'] as $i2) {
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if (!empty($i2['contentDetails']['relatedPlaylists']['uploads'])) {
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$playlists[] = $i2['contentDetails']['relatedPlaylists']['uploads'];
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}
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}
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if (!empty($data['nextPageToken'])) { // loop until there are no more pages
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$next_page = '&pageToken=' . $data['nextPageToken'];
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} else {
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break;
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}
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}
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return $playlists;
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}
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function get_playlist_items($playlist)
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{
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global $baseurl, $my_key;
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$videos = array();
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// get the last 5 videos uploaded to the playlist
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$url = $baseurl . '/playlistItems?part=contentDetails&playlistId=' . $playlist . '&maxResults=5&key=' . $my_key;
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$response = @file_get_contents($url);
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$data = json_decode($response, true);
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foreach ($data['items'] as $i) {
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if ($i['kind'] == 'youtube#playlistItem') {
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$videos[] = $i['contentDetails']['videoId'];
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}
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}
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return $videos;
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}
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function get_real_videos($video_ids)
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{
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global $baseurl, $my_key;
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$purl = $baseurl . '/videos?part=snippet&id=' . implode('%2C', $video_ids) . '&maxResults=50&key=' . $my_key;
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$response = @file_get_contents($purl);
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$data = json_decode($response, true);
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return $data['items'];
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}
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// get all upload playlists of subbed channels
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$playlists = get_playlists(get_channel_for_user($username));
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// get the last 5 items from every playlist
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$allitems = array();
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foreach ($playlists as $p) {
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$allitems = array_merge($allitems, get_playlist_items($p));
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}
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// the playlist items don't contain the correct published date, so now
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// we have to fetch every video in batches of 50.
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$allvids = array();
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for ($i = 0; $i < count($allitems); $i = $i + 50) {
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$j = isset($allitems[$i + 50]) ? $i + 50 : (count($allitems) - 1) % 50;
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$rvids = get_real_videos(array_slice($allitems, $i, $j));
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if ($rvids) {
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foreach ($rvids as $r) {
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$allvids[] = $r;
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}
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} else {
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break;
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}
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}
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// sort them by date
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function cmp($a, $b)
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{
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$a = strtotime($a['snippet']['publishedAt']);
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$b = strtotime($b['snippet']['publishedAt']);
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if ($a == $b) {
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return 0;
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}
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return ($a > $b) ? -1 : 1;
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}
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usort($allvids, 'cmp');
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// Fix to include CDATA (from http://stackoverflow.com/a/20511976)
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class SimpleXMLElementExtended extends SimpleXMLElement
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{
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public function addChildWithCDATA($name, $value = null)
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{
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$new_child = $this->addChild($name);
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if (isset($new_child)) {
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$node = dom_import_simplexml($new_child);
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$no = $node->ownerDocument;
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$node->appendChild($no->createCDATASection($value));
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}
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return $new_child;
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}
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}
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// build the rss
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$rss = new SimpleXMLElementExtended('<rss version="2.0"></rss>');
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$channel = $rss->addChild('channel');
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$channel->title = 'Youtube subscriptions for ' . $username;
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$channel->link = 'http://www.youtube.com/';
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$channel->description = 'YouTube RSS feed generator by Xefir Destiny ; ported from python ytsubs by ali1234 https://github.com/ali1234/ytsubs';
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$atom = $channel->addChild('link', null, 'http://www.w3.org/2005/Atom');
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$atom->addAttribute('href', 'http://' . $_SERVER['SERVER_NAME'] . dirname($_SERVER['REQUEST_URI']) . '/rss.xml');
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$atom->addAttribute('rel', 'self');
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// add the most recent
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for ($v = 0; $v < $nb_entries; $v++) {
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$link = 'http://youtube.com/watch?v=' . $allvids[$v]['id'];
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$item = $channel->addChild('item');
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$item->link = $link;
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$item->addChildWithCDATA('title', $allvids[$v]['snippet']['title']);
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$item->addChildWithCDATA('description', '
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<table>
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<tr>
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<td><img src="' . $allvids[$v]['snippet']['thumbnails'][$thumb_quality]['url'] . '" alt="default" /></td>
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<td>' . str_replace("\n", '<br>', htmlentities($allvids[$v]['snippet']['description'])) . '</td>
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</tr>
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</table>');
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$item->guid = $link;
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$item->pubDate = date(DATE_RSS, strtotime($allvids[$v]['snippet']['publishedAt']));
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$item->addChild('dc:creator', $allvids[$v]['snippet']['channelTitle'], 'http://purl.org/dc/elements/1.1/');
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}
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$rss->saveXML('rss.xml');
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header('Content-Type: application/rss+xml');
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echo $rss->asXML();
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