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<?php
/*
Build rss feed pages
creates the necessary index.phps using
/feeds/feedname/feed and /feeds/feedname/title
feed contains the feed url, title is whatever title you edit
requires simplepie https://www.simplepie.org/
*/
require_once('/srv/http/wittamore.fr/scripts/SimplePie.compiled.php');
$root = "/srv/http/wittamore.fr/feeds";
$cache = "/srv/http/wittamore.fr/.cache";
$fs = "feed";
$ts = "title";
$dir = glob($root . '/*' , GLOB_ONLYDIR);
$dt = new DateTime("now", new DateTimeZone('Europe/Paris'));
$curdir = str_replace($_SERVER["DOCUMENT_ROOT"],"",__DIR__);
// build header
$header = "<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n";
$header .= "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" >\n";
$header .= "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" >\n";
$header .= "<meta name=\"description\" content=\"my rss feeds\" >\n";
$header .= "<link href=\"/style.css\" rel=\"stylesheet\" type=\"text/css\" >\n";
$header .= "<link rel=\"icon\" href=\"/favicon.ico\" type=\"image/x-icon\" >\n";
$header .= "<title>My feeds</title>\n</head>\n<body>\n<nav>\n";
$header .= "<header>\n<h1>Bloggings</h1>\n<nav>\n";
$header .= "<p>\n<a
href=\"/index.php\">Blog</a> | <a
href=\"/static/index.php\">Static</a> | <a
href=\"/search.php\">Search</a> | <a
href=\"https://git.wittamore.fr\" target=\"_blank\" title=\"Git\">Git</a> | <a
href=\"https://social.wittamore.fr/philip\" target=\"_blank\" title=\"Fediverse\">Fedi</a> | <b
>Feeds</b> | <a
href=\"/rss.xml\">RSS</a>\n";
$header .= "</p>\n</nav>\n<div class=\"banner\">\n<img src=\"/images/me.jpg\" alt=\"logo\">\n";
$header .= "<p>Comments: <a href=\"https://social.wittamore.fr/philip\">@philip</a><br>";
$header .= "Contact: <a href=\"https://i.delta.chat/#ED59E209CCA23D16F40EB7F4AC0F8F0CFE934057&v=3&i=6G6xPiCMaT--yhMyn4r_1q-G&s=GB9pE6SoqzUpITR3XffnKQ1J&a=scu9zmbso%40nine.testrun.org&n=Philip+Wittamore\">Deltachat</a>\n</p>\n</div>\n</header>";
// start main index
$headmi = "<h2>RSS FEEDS</h2>";
$headmi .= "<h4>last update: ".$dt->format('Y-m-d H:i:s')."</h4>\n";
$headmi .= "<table><thead><tr><th>Type</th><th>Feed</th></tr></thead><tbody>\n";
file_put_contents("$root/index.php", $header.$headmi);
// iterate through feed directories
foreach ($dir as $subdir) {
// get feed settings from directory
if (!file_exists("$subdir/$fs")) continue;
if (!file_exists("$subdir/$ts")) continue;
$feeditemtitle = fgets(fopen("$subdir/$ts", 'r'));
$feeditemtitle = str_replace("\n", '', $feeditemtitle);
$feedurl = fgets(fopen("$subdir/$fs", 'r'));
$feedurl = str_replace("\n", '', $feedurl);
// new instance of simplepie
$feed = new SimplePie();
// simplepie can't recuperate a gopher url
// so we use curl in this case
$gopher = 0;
$rssstring = "";
if (str_starts_with($feedurl, "gopher")) {
exec("curl $feedurl", $rssdata, $retval);
if (!empty($rssdata)) {
$rssstring=implode($rssdata);
$feed->set_raw_data($rssstring);
$gopher=1;
}else{
$itemlist .= "<p>Error $retval retrieving $feedurl</p>\n";
}
}else{
$feed->set_feed_url($feedurl);
}
// initialise simplepie
$feed->set_cache_location($cache);
$feed->enable_order_by_date(true);
$feed->handle_content_type();
$feed->init();
$feedtitle = $feed->get_title();
// extract each feed item
$x=0;
$youtube=false;
$itemlist="";
foreach ($feed->get_items(0, 30) as $item) {
$itemlink = $item->get_permalink();
$itemtitle = $item->get_title();
$itemdate = $item->get_date("Y-m-d");
if (empty($itemtitle)) $itemtitle="No item title found";
// build item link
if ($gopher==1) {
$host = parse_url($itemlink, PHP_URL_HOST);
$port = parse_url($itemlink, PHP_URL_PORT);
if ((int)$port < 70) $port="70";
$path = parse_url($itemlink, PHP_URL_PATH);
if (pathinfo($path, PATHINFO_EXTENSION)) {
$itemlist .= "<tr><td>".$itemdate."</td><td><a href=\"gopher://" . $host . ":" .$port ."/0".substr($path,2) .
"\">" .$itemtitle."</a></td></tr>\n";
}else{
$itemlist .= "<tr><td>".$itemdate."</td><td><a href=\"gopher://" . $host . ":" .$port ."/1".substr($path,2) .
"\">" .$itemtitle."</a></td></tr>\n";
}
}else{
// convert rss youtube url to youtu.be url
if (str_contains($itemlink,"youtu")) {
$youtube=true;
$itemlink = str_replace("www.youtube.com/watch?v=", "youtu.be/", $itemlink);
}
$itemlist .= "<tr><td>".$itemdate."</td><td><a href=\"".$itemlink."\">".$itemtitle."</a></td></tr>\n";
}
$x++;
}
// build list of feed items
if ($x==0) {
// gopher error tag
if ( str_starts_with($rssstring,"3")) {
$itemlist .= "<tr><td></td>Error retrieving gopher feed</td></tr>\n";
}else{
$itemlist .= $rssstring;
}
}
// build rss_feeds/feed/index.php
$index = $header;
$index .= "<h2>".$feedtitle."</h2>";
$index .= "<h4><a href=\"".$feedurl."\">feed link</a></h4>\n";
$index .= "<table><thead><tr><th>Date </th><th>Article</th></tr></thead><tbody>\n";
$index .= $itemlist;
$index .= "</tbody></table>\n<p> </p>\n</main>\n</body>\n</html>";
file_put_contents("$subdir/index.php", $index);
// build rss_feeds/index.php
$feedline = explode(" - ", $feeditemtitle);
$feedname = "<tr><td>".$feedline[0]."</td><td><a href=\"".basename($subdir)."\">".$feedline[1]."</a></td></tr>\n";
file_put_contents("$root/index.php", $feedname, FILE_APPEND);
// reset
unset($rssstring);
unset($rssdata);
unset($sfeed);
unset($itemlist);
}
// finish rss_feeds/index.php
file_put_contents("$root/index.php", "</tbody>\n</table>\n<p> </p>\n</main>\n</body>\n</html>", FILE_APPEND);
?>
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