25 OR $articles<1)
$articles = 10;
// timeout for cached feeds in seconds
$cacheTimeout = 1800;
/**************************************************/
/* Functions */
/**************************************************/
include("feedcreator.class.php");
include("Net/NNTP/Realtime.php");
define("googleGroupLink","http://groups.google.com/groups?group=");
define("googleArticleLinkThreaded","http://groups.google.com/groups?threadm=");
define("googleArticleLinkSingle","http://groups.google.com/groups?selm=");
define("newsreaderGroupLink","news:");
define("newsreaderArticleLink","news:");
/**
* Decodes a quoted printable string from ISO-8859-1 or ISO-8859-15
* to ASCII.
*
* @param string string A quoted printable string
* @return string an ASCII string
*/
function qp_decode($string) {
if (preg_match("~(.*)=\\?ISO-?8859-?15?\\?Q\\?([^?]*)\\?=(.*)~i",$string,$matches)) {
$temp = preg_replace("/=([0-9A-F]{2})/e", "chr(hexdec('\\1'))", $matches[2]);
$temp = strtr($temp,"_"," ");
return $temp.$matches[3];
} else {
return $string;
}
}
/**
* Create a link pointing to an article in Google Groups or in the newsreader.
*
* @param string msgid the message ID of the article to get a link to
* @param boolean target how to choose the target of the link. auto: use the settings in $googleLinks;
* GOOGLE: create a Google Groups link; NEWSREADER: create a news: type link
* @return string an ASCII string
*/
function articleLink($msgid,$target="auto") {
GLOBAL $googleLinks,$googleThreaded;
if (($target=="auto" AND $googleLinks) OR strtoupper($target)=="GOOGLE") {
if ($googleThreaded) {
$articleLink = googleArticleLinkThreaded;
} else {
$articleLink = googleArticleLinkSingle;
}
} elseif (($target=="auto" AND !$googleLinks) OR strtoupper($target)=="NEWSREADER") {
$articleLink = newsreaderArticleLink;
}
return $articleLink.urlencode($msgid);
}
function groupLink($group) {
GLOBAL $googleLinks;
if ($googleLinks) {
$groupLink = googleGroupLink;
} else {
$groupLink = newsreaderGroupLink;
}
return $groupLink.urlencode($group);
}
/**************************************************/
/* real code */
/**************************************************/
@set_time_limit(20);
$version = strtoupper($_GET["version"]);
if ($version=="") {
$version = "RSS0.91";
}
if ($version!="MBOX") {
$filename = "cache/".str_replace(".","_",$group.".".$version).".xml";
} else {
$filename = "cache/".str_replace(".","_",$group.".".$version).".mbox";
}
$rss = new UniversalFeedCreator();
$rss->useCached($filename, $cacheTimeout);
$conn = new Net_NNTP_Realtime();
$conn->setDebug(false);
$result = $conn->connectAuthenticated($serverLogin,$serverPassword,$server,119);
if (PEAR::isError($result)) {
die($result->getMessage());
}
$result = $conn->selectGroup($group);
if (PEAR::isError($result)) {
die($result->getMessage());
}
// get newsgroup description
$result = $conn->cmdListNewsgroups($group);
if (PEAR::isError($result)) {
} else {
$groupDescription = $result[$group];
}
// determine which articles to load
$last = $conn->last();
$first = $last-$articles+1;
$first = max($first,$conn->first());
// load the latest articles
$articles = $conn->getOverview($first, $last);
if (PEAR::isError($articles)) {
die($articles->getMessage());
}
// build the rss
$rss->title = $group;
$rss->description = $groupDescription;
$rss->link = groupLink($group);
$rss->feedURL = "http://".$_SERVER["SERVER_NAME"].htmlspecialchars($_SERVER["REQUEST_URI"]);
$rss->image = new FeedImage();
$rss->image->url = "http://www.bitfolge.de/images/bitfolge-logo-small.gif";
$rss->image->width = "80";
$rss->image->height = "25";
$rss->image->link = "http://www.bitfolge.de/nntp2rss";
$rss->image->title = "bitfolge.de logo";
$rss->image->description = "Feed provided by bitfolge.de";
foreach($articles as $key => $article) {
$subject = qp_decode($article["Subject"]);
$from = qp_decode($article["From"]);
$subject = htmlspecialchars($subject);
$from = htmlspecialchars($from);
$item = new FeedItem();
$item->title = $subject;
$item->link = articleLink(substr($key,1,-1));
if ($fetchArticles) {
if ($article["Size"]<=$maxArticleSize) {
$body = $conn->getBodyRaw($key, true);
} else {
$body = "The article exceeded the maximum size of $maxArticleSize and has not been fetched.";
}
if (PEAR::isError($body)) {
$item->description = "An error occured while retrieving this message from the server.";
$item->description.= "You might try getting the article from Google Groups.";
} else {
$item->description = nl2br(htmlspecialchars($body));
}
} else {
$item->description = $subject;
$item->description.= "
Google - ";
$item->description.= "news reader
";
}
$item->date = $article["Date"];
$item->source = $group;
$item->author = $from;
$rss->addItem($item);
}
// close the connection, it isn't needed any more
$conn->quit();
$rss->saveFeed($version, $filename);
?>