function start_comment_feed()
{
global $atom, $atom_items, $build, $Current_user, $Weblogs, $Current_weblog, $Paths, $Users, $Cfg;
$link = $Paths['host'] . fixPath($Paths['pivot_url'] . $Weblogs[$Current_weblog]['front_path'] . $Weblogs[$Current_weblog]['front_filename']);
$link_self = $Paths['host'] . $Paths['pivot_url'] . "commentsfeed.php";
if (!empty($_SERVER['QUERY_STRING'])) {
$link_self .= "?" . $_SERVER['QUERY_STRING'];
}
$atom_preamble = '<?xml version="1.0" encoding="%charset%"?' . '>
<feed xmlns="http://www.w3.org/2005/Atom"
xml:lang="%lang%">
<title>%title% - Comments</title>
<subtitle>%description%</subtitle>
<link rel="alternate" type="text/html" href="%link%"/>
<link rel="self" type="application/atom+xml" href="%link_self%"/>
<updated>%date%</updated>
<author>
<name>%admin-nick%</name>
<uri>%link%</uri>
<email>%admin-email%</email>
</author>
<id>tag:%sitename_safe%,%year%:%title_safe%</id>
<generator uri="http://www.pivotlog.net" version="%version%">Pivot</generator>
<rights>Copyright (c) %year%, Authors of %sitename%</rights>
';
reset($Users);
$user = each($Users);
$user = $user['value'];
$from = array("%title%", "%title_safe%", "%sitename%", "%sitename_safe%", "%link%", "%link_self%", "%description%", "%author%", "%admin-email%", "%admin-nick%", "%year%", "%date%", "%genagent%", "%version%", "%lang%", "%charset%");
$to = array(str_replace("&", "&", $Weblogs[$Current_weblog]['name']), str_replace("_", "", safe_string($Weblogs[$Current_weblog]['name'], TRUE)), $Cfg['sitename'], strtolower(str_replace("_", "", safe_string($Cfg['sitename'], TRUE))), $link, $link_self, $Weblogs[$Current_weblog]['payoff'], $Current_user, $user['email'], $user['nick'], date("Y"), date("Y-m-d\\TH:i:s") . rss_offset(), "http://www.pivotlog.net/?ver=" . urlencode($build), $build, snippet_lang(), snippet_charset());
$atom = str_replace($from, $to, $atom_preamble);
$atom_items = array();
}
/**
* Generates the head for the XML feeds.
*
* @uses feedtemplate loads the head template for XML feeds.
*/
function start_rss()
{
global $rss, $rss_items, $atom, $atom_items, $items_added, $db, $build, $Current_user, $Weblogs, $Current_weblog, $Paths, $Users, $Cfg;
$rss_preamble = feedtemplate('feed_rss_template.xml', 'head');
$atom_preamble = feedtemplate('feed_atom_template.xml', 'head');
if (strlen($Weblogs[$Current_weblog]['rss_link']) > 2) {
$link = trim($Weblogs[$Current_weblog]['rss_link']);
} else {
if (gethost() != $Paths['host']) {
// use the override value from weblog config..
$link = gethost();
} else {
// determine the value ourselves..
$link = gethost() . fixPath($Paths['pivot_url'] . $Weblogs[$Current_weblog]['front_path'] . $Weblogs[$Current_weblog]['front_filename']);
}
}
$link_self = gethost() . fixPath($Paths['pivot_url'] . $Weblogs[$Current_weblog]['rss_path'] . $Weblogs[$Current_weblog]['atom_filename']);
if (strlen($Weblogs[$Current_weblog]['rss_img']) > 2) {
$image = trim($Weblogs[$Current_weblog]['rss_img']);
} else {
// if no image is set, we will also have to remove the <image> .. </image>
// part from the feed.. Bit hackish, but it works.
$image = "";
$rss_preamble = preg_replace("/<image>(.*)<\\/image>/msi", "", $rss_preamble);
}
$charset = snippet_charset();
$lang = str_replace("_utf8", "", snippet_lang());
reset($Users);
$user = each($Users);
$user = $user['value'];
$from = array("%sitename%", "%title%", "%sitename_safe%", "%title_safe%", "%link%", "%link_self%", "%description%", "%author%", "%admin-email%", "%admin-nick%", "%year%", "%date%", "%date_rfc%", "%genagent%", "%version%", "%lang%", "%charset%", "%image%");
$to = array($Cfg['sitename'], str_replace("&", "&", $Weblogs[$Current_weblog]['name']), strtolower(str_replace("_", "", safe_string($Cfg['sitename'], TRUE))), str_replace("_", "", safe_string($Weblogs[$Current_weblog]['name'], TRUE)), $link, $link_self, $Weblogs[$Current_weblog]['payoff'], $Current_user, $user['email'], $user['nick'], date("Y"), date("Y-m-d\\TH:i:s") . rss_offset(), get_rfcdate(mktime()), "http://www.pivotlog.net/?ver=" . urlencode($build), $build, $lang, $charset, $image);
$rss = str_replace($from, $to, $rss_preamble);
$atom = str_replace($from, $to, $atom_preamble);
$items_added = array();
$rss_items = array();
$atom_items = array();
}
}
// -----------------------
// Main
// -----------------------
$rssformat = stripslashes($rssformat);
define('MAGPIE_DIR', dirname(__FILE__) . '/magpierss/');
define('MAGPIE_CACHE_DIR', $pivot_path . './db/rsscache/');
define('MAGPIE_FETCH_TIME_OUT', 5);
// 5 second timeout
if (isset($rss_cache_age) && is_int($rss_cache_age)) {
define('MAGPIE_CACHE_AGE', $rss_cache_age);
} else {
define('MAGPIE_CACHE_AGE', 60 * 60 * 8);
// 8 hours
}
define('MAGPIE_OUTPUT_ENCODING', snippet_charset());
if (!isset($trimlen) || $trimlen == 0) {
$trimlen = 60;
}
require_once 'magpierss/rss_fetch.inc';
$feed = fetch_rss($rssurl);
$count = 1;
foreach ($feed->items as $item) {
$itemformat = $rssformat;
// Supporting upto two level arrays in item elements.
foreach ($item as $key => $value) {
if (is_string($value)) {
if ($key == "link") {
$value = trim($value);
} else {
$value = trimtext(trim($value), $trimlen);
function encodeEntities($text)
{
/* Convert high and low ascii to entities. If multibyte string functions are
available (on by default in php 4.3+), we convert using unicode mapping as
defined in the function encode_high(). If not, we use php's nasty
built-in htmlentities() */
return function_exists('mb_encode_numericentity') ? encode_high($text) : htmlentities($text, ENT_NOQUOTES, snippet_charset());
}
/**
* Trim a text to a given length, taking html entities into account.
*
* Formerly we first removed entities (using unentify), cut the text at the
* wanted length and then added the entities again (using entify). This caused
* lot of problems so now we are using a trick from
* http://www.greywyvern.com/code/php/htmlwrap.phps
* where entities are replaced by the ACK (006) ASCII symbol, the text cut and
* then the entities reinserted.
*
* @param string $str string to trim
* @param int $length position where to trim
* @param boolean $nbsp whether to replace spaces by entities
* @param boolean $hellip whether to add … entity at the end
*
* @return string trimmed string
*/
function trimtext($str, $length, $nbsp = false, $hellip = true)
{
$str = strip_tags($str);
// Use the ACK (006) ASCII symbol to replace all HTML entities temporarily
$str = str_replace("", "", $str);
preg_match_all("/&([a-z\\d]{2,7}|#\\d{2,5});/i", $str, $ents);
$str = preg_replace("/&([a-z\\d]{2,7}|#\\d{2,5});/i", "", $str);
if (function_exists('mb_strwidth')) {
if (mb_strwidth($str) > $length) {
$my_encoding = snippet_charset();
if ($my_encoding != "") {
$str = mb_strimwidth($str, 0, $length + 1, '', $my_encoding);
} else {
$str = mb_strimwidth($str, 0, $length + 1);
}
if ($hellip) {
$str .= '…';
}
}
} else {
if (strlen($str) > $length) {
$str = substr($str, 0, $length + 1);
if ($hellip) {
$str .= '…';
}
}
}
if ($nbsp == true) {
$str = str_replace(" ", " ", $str);
}
$str = str_replace("http://", "", $str);
// Put captured HTML entities back into the string
foreach ($ents[0] as $ent) {
$str = preg_replace("//", $ent, $str, 1);
}
return $str;
}
