Maloney

.gitignore

cache
error.log

Dockerfile

FROM php:8.2.14-apache

RUN mkdir /var/www/html/cache && chown www-data /var/www/html/cache
VOLUME /var/www/html/cache

RUN chown www-data /var/www/html/cache

COPY index.php /var/www/html/

index.php

<?php
date_default_timezone_set('Europe/Zurich');
setlocale(LC_TIME, 'de_CH');
header("Content-Type: application/rss+xml;charset=utf-8");

define('MALONEY_MAX_ENTRIES',  isset($_REQUEST['max']) ? (int)$_REQUEST['max'] : 10); //Maximum number of episodes to load into the feed

define('CACHE_DIR', __DIR__ . '/cache');
if(!file_exists(CACHE_DIR)) {
	mkdir(CACHE_DIR);
}

function getCached($sUrl) {
	$sKey = hash('sha256', $sUrl);
	$sFile = CACHE_DIR . "/$sKey";
	if(file_exists($sFile)) {
		return file_get_contents($sFile);
	}
	$cCurl = curl_init($sUrl);
	curl_setopt($cCurl, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($cCurl, CURLOPT_ENCODING, "gzip");
	$sResult = curl_exec($cCurl);
	if($sResult === false) {
		error_log("Request to $sUrl failed, " . curl_error($cCurl));
		curl_close($cCurl);
		return null;
	}
	curl_close($cCurl);
	file_put_contents($sFile, $sResult);
	return $sResult;
}

function addSimpleAttribute($oDocument, $oChannel, $sAttributeName, $sAttributeValue, $sNamespace = null) {
	if($sNamespace === 'http://www.itunes.com/dtds/podcast-1.0.dtd') {
		$sAttributeName = "itunes:$sAttributeName";
	}
	$oAttribute = $oDocument->createElement($sAttributeName);
	if ($sAttributeValue) {
		$oAttribute->appendChild($oDocument->createTextNode($sAttributeValue));
	}
	$oChannel->appendChild($oAttribute);
	return $oAttribute;
}

$sBaseUrl = 'http://www.srf.ch';
$sItunesNs = 'http://www.itunes.com/dtds/podcast-1.0.dtd';

$aResult = null;
$iOffset = 0;
$aDoneIds = array();
$iCount = 0;

if(!is_dir('./cache')) {
	mkdir('./cache');
}

$oDocument = new DOMDocument();
$oRoot = $oDocument->createElement("rss");
$oRoot->setAttribute('version', "2.0");
$oRoot->setAttribute('xmlns:itunes', $sItunesNs);
$oDocument->appendChild($oRoot);
$oChannel = $oDocument->createElement("channel");
addSimpleAttribute($oDocument, $oChannel, 'title', "Philip Maloney");
addSimpleAttribute($oDocument, $oChannel, 'description', "Die haarsträubenden Fälle des Philip Maloney. Der Meisterdetektiv ermittelt immer sonntags von 11 bis 12 Uhr.");
addSimpleAttribute($oDocument, $oChannel, 'link', "$sBaseUrl/audio/maloney");
addSimpleAttribute($oDocument, $oChannel, 'language', "de");
addSimpleAttribute($oDocument, $oChannel, 'ttl', "15");
addSimpleAttribute($oDocument, $oChannel, 'author', "Radio SRF 3", $sItunesNs);
addSimpleAttribute($oDocument, $oChannel, 'subtitle', "Philip Maloney", $sItunesNs);
addSimpleAttribute($oDocument, $oChannel, 'summary', "Die haarsträubenden Fälle des Philip Maloney. Der Meisterdetektiv ermittelt immer sonntags von 11 bis 12 Uhr.", $sItunesNs);
$oRoot->appendChild($oChannel);

$bHasImage = false;

while($iCount < MALONEY_MAX_ENTRIES && ($aResult === null || (isset($aResult[1]) && count($aResult[1]) > 0))) {
	$aResult = json_decode(file_get_contents("$sBaseUrl/audio/episodes/10000183/10/$iOffset"));
	$sListing = $aResult->content;

	preg_match_all("/\/popupaudioplayer\?id=([0-9a-f\-]+)\"/i", $sListing, $aResult, PREG_OFFSET_CAPTURE);

	foreach($aResult[1] as $aEpisodeInfo) {
		$sEpisodeId = $aEpisodeInfo[0];
		$iEpisodeLinkStart = strpos($sListing, '<a href="', $aEpisodeInfo[1]) + strlen('<a href="');
		$iEpisodeLinkEnd = strpos($sListing, '"', $iEpisodeLinkStart);
		$sEpisodeLink = $sBaseUrl . substr($sListing, $iEpisodeLinkStart, $iEpisodeLinkEnd - $iEpisodeLinkStart);
		if(isset($aDoneIds[$sEpisodeId])) {
			continue;
		}
		$aDoneIds[$sEpisodeId] = true;
		if($iCount >= MALONEY_MAX_ENTRIES) {
			break 2;
		}
		$iCount++;
		$sEpisodeUrl = "https://il.srgssr.ch/integrationlayer/2.0/mediaComposition/byUrn/urn:srf:audio:$sEpisodeId.json?onlyChapters=false&vector=portalplay";
		$sEpisode = getCached($sEpisodeUrl);
		if(!$sEpisode) {
			continue;
		}
		$oEpisode = json_decode($sEpisode, false);

		$oMetadata = $oEpisode->chapterList[0];

		// error_log(print_r($oEpisode)); die();

		$oPublished = DateTime::createFromFormat(DateTime::ATOM, $oMetadata->date);
		$sSubtitle = $oMetadata->lead;
		$sDescription = $sSubtitle . "\n\n" . $oMetadata->description;

		$sEpisodeDownloadUrl = $oMetadata->resourceList[0]->url;

		$oItem = $oDocument->createElement('item');
		addSimpleAttribute($oDocument, $oItem, 'title', $oMetadata->title);
		addSimpleAttribute($oDocument, $oItem, 'link', $sEpisodeLink);
		addSimpleAttribute($oDocument, $oItem, 'description', $sDescription);
		addSimpleAttribute($oDocument, $oItem, 'subtitle', $sSubtitle, $sItunesNs);
		$oEnclosure = addSimpleAttribute($oDocument, $oItem, 'enclosure', null);
		$oEnclosure->setAttribute('url', $sEpisodeDownloadUrl);
		$oEnclosure->setAttribute('type', 'audio/mpeg');
		$oImage = addSimpleAttribute($oDocument, $oItem, 'image', null, $sItunesNs);
		$oImage->setAttribute('href', $oEpisode->episode->imageUrl);
		if(!$bHasImage) {
			$bHasImage = true;
			$oChannelImage = addSimpleAttribute($oDocument, $oChannel, 'image', null);
			addSimpleAttribute($oDocument, $oChannelImage, 'url', $oEpisode->episode->imageUrl);
			addSimpleAttribute($oDocument, $oChannelImage, 'link', "$sBaseUrl/sendungen/maloney");
			addSimpleAttribute($oDocument, $oChannelImage, 'title', $oEpisode->episode->imageTitle);
			$oChannelImageITunes = addSimpleAttribute($oDocument, $oChannel, 'image', null, $sItunesNs);
			$oChannelImageITunes->setAttribute('href', $oEpisode->episode->imageUrl);
		}
		$oGuid = addSimpleAttribute($oDocument, $oItem, 'guid', $sEpisodeId);
		$oGuid->setAttribute('isPermaLink', 'false');
		addSimpleAttribute($oDocument, $oItem, 'pubDate', $oPublished->format(DateTime::RFC2822));
		addSimpleAttribute($oDocument, $oItem, 'author', 'Radio SRF 3', $sItunesNs);

		$oChannel->appendChild($oItem);
	}
	
	$iOffset += 10;
}

$oDocument->formatOutput = true;
print @$oDocument->saveXML();