#!/usr/bin/php -q
<?php

	// SCC PHP RSS Auto-Downloader Script by b3n
	// Edit these variables
	// $url         = http link to your rss feed (http://sceneaccess.org/getrss.php)
	// $watchdir    = directory the script is working in with trailing slash
	// $matchesini  = file with regular expressions in
	// $logging     = 1 logging is on or 0 its not
	// $logfile     = file to write log to (must be writable)
	
	$url = "http://www.sceneaccess.org/rss.php?feed=dl&cat=23,22,7,27,11&passkey=yourpasskeyhere";
	$watchdir = "/path/to/watch/dir/";
	$matchesini = "matches.ini";
	$logging = 1;
	$logfile = "log";
	
	
	// DONT EDIT BELOW HERE UNLESS YOU KNOW WHAT YOU ARE DOING
	
	// Load regex matches
	$ini_array = parse_ini_file($matchesini, true);
	
	// Loads RSS items
	$doc = new DOMDocument();
	$doc->load($url);
	$arrFeeds = array();
	foreach ($doc->getElementsByTagName('item') as $node) {
		$itemRSS = array ( 
			'title' => $node->getElementsByTagName('title')->item(0)->nodeValue,
			'link' => $node->getElementsByTagName('link')->item(0)->nodeValue,
			);
			
		array_push($arrFeeds, $itemRSS);
	}
	
	// For each item
	foreach ($arrFeeds as $item) {
	
		// For each match filter
		foreach ($ini_array[regexmatches][matches] as $ex) {
			checkmatch($item, $ex);
		}
		
		// For each one-time match filter
		foreach ($ini_array[regexonetimematches][onetimematches] as $key => $ex) {
		
			if (checkmatch($item, $ex) == true) {
			
				// Remove entry and write matches back to the ini
				unset($ini_array[regexonetimematches][onetimematches][$key]);
				write_ini_file($ini_array, $watchdir.$matchesini);
				
			}
		}	
	}
	
	// Function to check torrents against filters
	function checkmatch($item, $ex) {
		global $watchdir;	
		// If there is a match
		if (preg_match($ex, $item['title'])) {
			$torrent = $watchdir.end(explode("/", $item['link']));
			// If torrent file doesnt already exists
			if (!file_exists($torrent)) {
				// Download the torrent
				$content = file_get_contents($item['link']);
				if ($content !== false) {
					// Write .torrent to file
					if ($fh = fopen($torrent, 'w')) {
						fwrite($fh, $content);
						fclose($fh);
					} else {
						write_log_file("Cant write .torrent file! (".$torrent.")");
					}
					
					// Write log entry
					write_log_file("Downloaded: ".$item['title']);
					return true;
					
				} else {
					
					write_log_file("Cant download torrent! (".$item['link'].")");
					   
				}
			}
		}
	}
	
	// Function to add entry to log
	function write_log_file($data) {
		global $logging;
		global $watchdir;
		global $logfile;
		if($logging == 1){
			$fh = fopen($watchdir.$logfile, 'a');
			if($fh != false) {
				fwrite($fh, date('d/m')." - ".$data."\n");
				fclose($fh);
			} else {
				echo "Cant write to log file! (".$watchdir.$logfile.")";
			}
		}
	}
	
	// Function to modify matches ini file	
	function write_ini_file($assoc_arr, $path) {
		$content = "";

		foreach ($assoc_arr as $key=>$elem) {
			$content .= "[".$key."]\n";
			foreach ($elem as $key2=>$elem2) {
				if(is_array($elem2)) {
					for($i=0;$i<count($elem2);$i++) {
						if ($elem2[$i] != "") $content .= $key2."[] = \"".$elem2[$i]."\"\n";
					}
				}
				else if($elem2=="") $content .= $key2." = \n";
				else $content .= $key2." = \"".$elem2."\"\n";
			}
		}

		if (!$handle = fopen($path, 'w')) {
			return false;
		}
		if (!fwrite($handle, $content)) {
			return false;
		}
		fclose($handle);
		return true;
	} 
?>