commit 10ecf6477ced0f121aac8a29c8bc1164c520e9be Author: Markus Birth Date: Sat Feb 15 23:17:22 2020 +0100 Initial commit. diff --git a/.htaccess b/.htaccess new file mode 100644 index 0000000..a68a5c3 --- /dev/null +++ b/.htaccess @@ -0,0 +1,4 @@ +RewriteEngine on +#RewriteBase /BassDriveRSS + +RewriteRule index.rss2$ genfeed.php?type=rss2 diff --git a/README.md b/README.md new file mode 100644 index 0000000..7026189 --- /dev/null +++ b/README.md @@ -0,0 +1,10 @@ +This is a script that fetches a directory listing from +[The BassDrive archives](http://archives.bassdrivearchive.com/) +and generates an RSS feed from the files located there. + +It uses rsslogo.jpg for the RSS2 logo (max. 144x400px) and +biglogo.jpg for the iTunes logo (min. 1400x1400px). Also +intro.txt for the feed description. + +Files' sizes are fetched via a HEAD request and cached. The +show length is calculated based upon assumed 128 kbps. diff --git a/biglogo.jpg b/biglogo.jpg new file mode 100644 index 0000000..be50759 Binary files /dev/null and b/biglogo.jpg differ diff --git a/genfeed.php b/genfeed.php new file mode 100644 index 0000000..878b52b --- /dev/null +++ b/genfeed.php @@ -0,0 +1,189 @@ +loadHTML($src_data); + +$anchors = $dom->getElementsByTagName('a'); + +$file_list = array(); +foreach ($anchors as $anchor) { + $title = $anchor->nodeValue; + $href = $anchor->attributes->getNamedItem('href')->nodeValue; + + if (substr($href, -4) !== '.mp3') { + continue; + } + + $title = urldecode(substr($href, 0, -4)); // strip off ".mp3" file extension + $url = $sourceUrl . $href; + + $file_list[$url] = trim($title); +} + +unset($dom); + +$namespaceURIs = [ + 'xmlns' => 'http://www.w3.org/2000/xmlns/', + 'atom' => 'http://www.w3.org/2005/Atom', + 'content' => 'http://purl.org/rss/1.0/modules/content/', + 'itunes' => 'http://www.itunes.com/DTDs/Podcast-1.0.dtd', + 'spotify' => 'http://www.spotify.com/ns/rss', + 'psc' => 'https://podlove.org/simple-chapters/', // for chapter marks + 'dcterms' => 'https://purl.org/dc/terms', // for validity periods +]; + +date_default_timezone_set('America/New_York'); + +$dom = new DOMDocument('1.0', 'utf-8'); +$dom->formatOutput = true; +$root = $dom->createElement('rss'); +$root->appendChild(new DOMAttr('version', '2.0')); +$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:atom', $namespaceURIs['atom']); +$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:content', $namespaceURIs['content']); +$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:itunes', $namespaceURIs['itunes']); +$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:spotify', $namespaceURIs['spotify']); +// $root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:dcterms', $namespaceURIs['dcterms']); +$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:psc', $namespaceURIs['psc']); +$dom->appendChild($root); + +$channel = $dom->createElement('channel'); +$channel->appendChild($dom->createElement('title', 'Electronic Warfare')); +$channel->appendChild($dom->createElement('link', 'https://www.facebook.com/louis.overfiend')); +$channel->appendChild($dom->createElement('copyright', 'BassDrive.com / Louis Overfiend')); +$channel->appendChild($dom->createElement('itunes:author', 'BassDrive.com / Louis Overfiend')); + +$atom_link = $dom->createElement('atom:link'); +$atom_link->appendChild(new DOMAttr('href', $baseUrl . 'index.rss2')); +$atom_link->appendChild(new DOMAttr('rel', 'self')); +$atom_link->appendChild(new DOMAttr('type', 'application/rss+xml')); +$channel->appendChild($atom_link); + +$channel->appendChild($dom->createElement('description', trim(str_replace('&', '&', file_get_contents('intro.txt'))))); +$channel->appendChild($dom->createElement('language', 'en-us')); + +$image = $dom->createElement('image'); +$image->appendChild($dom->createElement('url', $baseUrl . 'rsslogo.jpg')); // RSS spec says max. dimensions are 144x400 +$image->appendChild($dom->createElement('title', 'Electronic Warfare')); +$image->appendChild($dom->createElement('link', 'https://www.facebook.com/louis.overfiend')); +$image->appendChild($dom->createElement('width', '144')); +$image->appendChild($dom->createElement('height', '144')); +$channel->appendChild($image); +$i_image = $dom->createElement('itunes:image'); +$i_image->appendChild(new DOMAttr('href', $baseUrl . 'biglogo.jpg')); // Apple requires min.(!) size of 1400x1400, 1:1 aspect +$channel->appendChild($i_image); + +$channel->appendChild($dom->createElement('lastBuildDate', date(RFC_822))); +$channel->appendChild($dom->createElement('docs', 'http://blogs.law.harvard.edu/tech/rss')); +$channel->appendChild($dom->createElement('generator', 'Handcrafted with love')); +$channel->appendChild($dom->createElement('managingEditor', 'markus@birth-online.de (Markus Birth)')); +$channel->appendChild($dom->createElement('webMaster', 'markus@birth-online.de (Markus Birth)')); +$channel->appendChild($dom->createElement('ttl', '60')); + +$skipDays = $dom->createElement('skipDays'); +$skipDays->appendChild($dom->createElement('day', 'Monday')); +$skipDays->appendChild($dom->createElement('day', 'Tuesday')); +$skipDays->appendChild($dom->createElement('day', 'Wednesday')); +$skipDays->appendChild($dom->createElement('day', 'Thursday')); +$skipDays->appendChild($dom->createElement('day', 'Friday')); +$skipDays->appendChild($dom->createElement('day', 'Sunday')); +$channel->appendChild($skipDays); + +$i_cat = $dom->createElement('itunes:category'); +$i_cat->appendChild(new DOMAttr('text', 'Music')); +$channel->appendChild($i_cat); +$channel->appendChild($dom->createElement('itunes:explicit', 'clean')); +$channel->appendChild($dom->createElement('itunes:complete', 'no')); // "yes" = show has ended, no further episodes +$channel->appendChild($dom->createElement('itunes:type', 'episodic')); // "serial" = to be consumed oldest to newest; "episodic" = can be consumed randomly + +//$s_limit = $dom->createElement('spotify:limit'); +//$s_limit->appendChild(new DOMAttr('recentCount', '3')); // At most this number of episodes appear in the client +//$channel->appendChild($s_limit); + +//$channel->appendChild($dom->createElement('spotify:countryOfOrigin', 'us')); // set target market/territory by country, omit for "global" + +$len_cache = array(); +$cache_dirty = false; +if (file_exists('genfeed.cache')) { + $len_cache = json_decode(file_get_contents('genfeed.cache'), true); +} + +function getSize($url) +{ + global $len_cache, $cache_dirty; + if (isset($len_cache[$url])) { + return $len_cache[$url]; + } + + $context = stream_context_set_default(array( + 'http' => array( + 'method' => 'HEAD', + ), + )); + $headers = get_headers($url, 1); + $length = intval($headers['Content-Length']); + $len_cache[$url] = $length; + $cache_dirty = true; + return $length; +} + +function getDuration($size) +{ + // 70445111 Bytes = 01:13:22.80 = 73:22.80 = 4402.80 seconds (128 kb/s) + // 147530737 Bytes = 02:33:40.64 = 153:40.64 = 9220.64 seconds (128 kb/s) + $seconds = $size / (128000 / 8); + + $hours = intdiv($seconds, 3600); + $seconds = $seconds % 3600; + $minutes = intdiv($seconds, 60); + $seconds = $seconds % 60; + return sprintf('%02d:%02d:%02d', $hours, $minutes, $seconds); +} + +$latest_date = -1; +foreach ($file_list as $url => $title) { + $item = $dom->createElement('item'); + $guid = $dom->createElement('guid', $url); + $guid->appendChild(new DOMAttr('isPermalink', 'true')); // guid is a static URL + $item->appendChild($guid); + $item->appendChild($dom->createElement('title', $title)); + + $size = getSize($url); + + $enclosure = $dom->createElement('enclosure'); + $enclosure->appendChild(new DOMAttr('type', 'audio/mpeg')); + $enclosure->appendChild(new DOMAttr('length', $size)); + $enclosure->appendChild(new DOMAttr('url', $url)); + $item->appendChild($enclosure); + + $item->appendChild($dom->createElement('itunes:duration', getDuration($size))); + + $datestr = substr($title, 1, 10); + $pubDate = mktime(11, 00, 00, intval(substr($datestr, 5, 2)), intval(substr($datestr, 8, 2)), intval(substr($datestr, 0, 4))); + $item->appendChild($dom->createElement('pubDate', date(RFC_822, $pubDate))); + + if ($pubDate > $latest_date) { + $latest_date = $pubDate; + } + + $channel->appendChild($item); +} + +$channel->appendChild($dom->createElement('pubDate', date(RFC_822, $latest_date))); + +$root->appendChild($channel); + +$dom->save('podcast.rss2'); + +if ($cache_dirty) { + file_put_contents('genfeed.cache', json_encode($len_cache, JSON_PRETTY_PRINT)); +} + +header('Content-Type: application/rss+xml'); +echo file_get_contents('podcast.rss2'); diff --git a/intro.txt b/intro.txt new file mode 100644 index 0000000..c0edc73 --- /dev/null +++ b/intro.txt @@ -0,0 +1,6 @@ +With a 19-year consecutive run on Bassdrive.com, Overfiend has earned his stripes in the +Drum & Bass scene. In addition to his show, which has featured the likes of Ed Oberon, +The Insiders, Ant TC1, Gerra and Stone, Actraiser, and more, he has also held multiple +residencies in New York City and Phildelphia throughout his DJ career. 2020 will be the start of +his 20th year on Bassdrive, and it promises to offer a healthy supply of the newest in +Drum & Bass music as well as a helping of the finest special guests that the scene has to offer. diff --git a/rsslogo.jpg b/rsslogo.jpg new file mode 100644 index 0000000..d7e5284 Binary files /dev/null and b/rsslogo.jpg differ