]*>|Uis', $cnt, $res)) {
while (list ($id, $match) = each($res[0])) {
// we only want ' attr_value
while (list ($id2, $match2) = each($res2)) {
$attr = strtolower(trim($match2[1]));
$val = trim($match2[2]);
// make sure we have absolute URI's
if (($attr == "href") && strcasecmp(substr($val, 0, 4), "http") != 0) {
// Check to see if the relative url starts with "//"
if(substr($val,0,2) == "//") {
$val = preg_replace('/\/\/.*/', $val, $url);
} else {
$urlParts = parse_url($url);
if ($urlParts && is_array($urlParts) && strlen($val)) {
if ($val[0] != '/') {
$val = '/'.$val;
}
$val = $urlParts['scheme'] . '://'
.$urlParts['host'] . $val;
} else {
$val = ($url.$val);
}
}
}
$tmp[$attr] = $val;
}
$ret[] = $tmp;
}
}
}
return $ret;
}
function real_strip_slashes($string) {
if (stripslashes($string) == $string) {
return $string;
}
return real_strip_slashes(stripslashes($string));
}
function rss_htmlspecialchars($in) {
return htmlspecialchars($in, ENT_NOQUOTES,
(getConfig('rss.output.encoding') ? getConfig('rss.output.encoding') : DEFAULT_OUTPUT_ENCODING));
}
function firstNwords($text, $count=7) {
$new = "";
$expr = '/(.+?\s+){1,' . $count . '}/';
if ( preg_match($expr, $text, $matches) ) {
$result = $matches[0] . '...';
$new = preg_replace('/(\r\n|\r|\n)/', ' ', $result);
$new = strip_tags($new);
}
return $new;
}
/** Props: mr at bbp dot biz - http://ch2.php.net/substr */
function html_substr($posttext, $minimum_length = 200, $length_offset = 20, $cut_words = FALSE, $dots = TRUE) {
// $minimum_length:
// The approximate length you want the concatenated text to be
// $length_offset:
// The variation in how long the text can be in this example text
// length will be between 200 and 200-20=180 characters and the
// character where the last tag ends
// Reset tag counter & quote checker
$tag_counter = 0;
$quotes_on = FALSE;
// Check if the text is too long
if (strlen($posttext) > $minimum_length) {
// Reset the tag_counter and pass through (part of) the entire text
$c = 0;
for ($i = 0; $i < strlen($posttext); $i++) {
// Load the current character and the next one
// if the string has not arrived at the last character
$current_char = substr($posttext,$i,1);
if ($i < strlen($posttext) - 1) {
$next_char = substr($posttext,$i + 1,1);
} else {
$next_char = "";
}
// First check if quotes are on
if (!$quotes_on) {
// Check if it's a tag
// On a "<" add 3 if it's an opening tag (like )
if ($current_char == '<') {
if ($next_char == '/') {
$tag_counter += 1;
} else {
$tag_counter += 3;
}
}
// Slash signifies an ending (like or ... />)
// substract 2
if ($current_char == '/' && $tag_counter <> 0)
$tag_counter -= 2;
// On a ">" substract 1
if ($current_char == '>')
$tag_counter -= 1;
// If quotes are encountered, start ignoring the tags
// (for directory slashes)
if ($current_char == '"')
$quotes_on = TRUE;
} else {
// IF quotes are encountered again, turn it back off
if ($current_char == '"')
$quotes_on = FALSE;
}
// Count only the chars outside html tags
if($tag_counter == 2 || $tag_counter == 0) {
$c++;
}
// Check if the counter has reached the minimum length yet,
// then wait for the tag_counter to become 0, and chop the string there
if ($c > $minimum_length - $length_offset && $tag_counter == 0 && ($next_char == ' ' || $cut_words == TRUE)) {
$posttext = substr($posttext,0,$i + 1);
if($dots) {
$posttext .= '...';
}
return $posttext;
}
}
}
return $posttext;
}
function showViewForm($curValue) {
//default: read and unread!
$readAndUndredaSelected = " selected=\"selected\"";
$unreadOnlySelected = "";
if ($curValue == SHOW_UNREAD_ONLY) {
$readAndUndredaSelected = "";
$unreadOnlySelected = " selected=\"selected\"";
}
// post back to self, we should be able to handle the request, shouldn't we.
echo "\n\n";
}
function getUnreadCount($cid, $fid) {
static $_uccache = array();
$key_ = "key $cid $fid key";
if (isset($_uccache[$key_])) {
return $_uccache[$key_];
}
$sql = "select count(*) from " . getTable("item2user") ."i2u "
. "inner join " . getTable('channels') . "c on i2u.fkcid=c.id "
." where i2u.fkuid = " . rss_user_id()
." and i2u.flgunread=1 and i2u.flgdeleted=0 "
." and not(c.mode & ".RSS_MODE_DELETED_STATE.") ";
if (hidePrivate()) {
$sql .= " and i2u.flgprivate=0";
}
if ($cid) {
$sql .= " and c.id=$cid ";
}
elseif ($fid) {
$sql .= " and c.parent=$fid ";
}
$res = rss_query($sql);
list ($_uccache[$key_]) = rss_fetch_row($res);
return $_uccache[$key_];
}
function rss_locale_date ($fmt, $ts, $addTZOffset = true) {
if (isset($_SERVER["WINDIR"])) {
//%e doesnt' exists under windows!
$fmt=str_replace("%e","%#d",$fmt);
}
if ($addTZOffset) {
return utf8_encode(strftime($fmt, $ts +3600 * getConfig('rss.config.tzoffset')));
}
return utf8_encode(strftime($fmt, $ts));
}
function rss_date($fmt, $ts, $addTZOffset = true) {
if ($addTZOffset) {
return date($fmt, $ts +3600 * getConfig('rss.config.tzoffset'));
}
return date($fmt, $ts);
}
function _pf($msg) {
if (defined('PROFILING') && PROFILING && isset($GLOBALS['rss']) && method_exists($GLOBALS['rss'], "_pf")) {
$GLOBALS['rss'] -> _pf($msg);
}
}
function guessTransportProto() {
if (defined ('RSS_SERVER_PROTO')) {
return RSS_SERVER_PROTO;
}
if (array_key_exists("SERVER_PORT",$_SERVER)) {
if ($_SERVER["SERVER_PORT"] == 443) {
$proto = "https://";
} else {
$proto = "http://";
}
} else {
// best effort
$proto = "http://";
}
return $proto;
}
function rss_redirect($url = "") {
header("Location: " .
(guessTransportProto() . $_SERVER['HTTP_HOST'] . getPath() . $url));
}
/*
fixes #117.
http://www.php.net/manual/en/function.getallheaders.php
*/
function rss_getallheaders() {
$headers = array();
foreach($_SERVER as $h=>$v) {
if(ereg('HTTP_(.+)',$h,$hp)) {
$headers[$hp[1]]=$v;
}
}
return $headers;
}
// moved from ajax.php
function __exp__submitTag($id,$tags,$type = "'item'") {
$ftags = utf8_encode( preg_replace(ALLOWED_TAGS_REGEXP,'', trim($tags)));
$tarr = array_slice(explode(" ",$ftags),0,MAX_TAGS_PER_ITEM);
$ftags = implode(" ",__priv__updateTags($id,$tarr,$type));
return "$id,". $ftags;
}
function __priv__updateTags($fid,$tags,$type) {
rss_query("delete from " .getTable('metatag')
. " where fid=$fid and ttype=$type");
$ret = array();
foreach($tags as $tag) {
$ttag = trim($tag);
if ($ttag == "" || in_array($ttag,$ret)) {
continue;
}
rss_query( "insert into ". getTable('tag')
. " (tag) values ('$ttag')", false );
$tid = 0;
if(rss_is_sql_error(RSS_SQL_ERROR_DUPLICATE_ROW)) {
list($tid)=rss_fetch_row(rss_query("select id from "
.getTable('tag') . " where tag='$ttag'"));
} else {
$tid = rss_insert_id();
}
if ($tid) {
rss_query( "insert into ". getTable('metatag')
. " (fid,tid,ttype,tdate) values ($fid,$tid,$type,now())" );
if (rss_is_sql_error(RSS_SQL_ERROR_NO_ERROR)) {
$ret[] = $ttag;
}
}
}
rss_invalidate_cache();
sort($ret);
return $ret;
}
/**
* this was taken straight from WordPress
*/
function utf8_uri_encode( $utf8_string ) {
$unicode = '';
$values = array();
$num_octets = 1;
for ($i = 0; $i < strlen( $utf8_string ); $i++ ) {
$value = ord( $utf8_string[ $i ] );
if ( $value < 128 ) {
$unicode .= chr($value);
} else {
if ( count( $values ) == 0 )
$num_octets = ( $value < 224 ) ? 2 : 3;
$values[] = $value;
if ( count( $values ) == $num_octets ) {
if ($num_octets == 3) {
$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]) . '%' . dechex($values[2]);
} else {
$unicode .= '%' . dechex($values[0]) . '%' . dechex($values[1]);
}
$values = array();
$num_octets = 1;
}
}
}
return $unicode;
}
/*
// Deprecated in favor of the new core.php functionalities
function ETagHandler($key) {
// This function should be used inline for speed. However if you have already
// included util.php you might as well use it.
if (array_key_exists('HTTP_IF_NONE_MATCH',$_SERVER) &&
$_SERVER['HTTP_IF_NONE_MATCH'] == $key) {
header("HTTP/1.1 304 Not Modified");
flush();
exit();
} else {
header("ETag: $key");
// ob_start('ob_gzhandler');
}
}
*/
//these two eval_ functions taken from the comments at http://us3.php.net/eval
function eval_mixed_helper($arr) {
return ("echo stripslashes(\"".addslashes($arr[1])."\");");
}
function eval_mixed($string) {
$string = "".$string."";
$string = preg_replace("/<\?=\s+(.*?)\s+\?>/", "", $string);
$string = str_replace('?>', '', str_replace( array('((.|\n)*?)<\?(php)?/","eval_mixed_helper",$string) ) );
return $string;
}
function rss_svn_rev($prefix='.') {
static $ret;
if ($ret != NULL) {
return $ret;
}
if (file_exists(GREGARIUS_HOME .'.svn/dir-wcprops')) {
$raw=getUrl(GREGARIUS_HOME .'.svn/dir-wcprops');
if ($raw && preg_match('#ver/([0-9]+)/#',$raw,$matches) && isset($matches[1])) {
$ret = $prefix . $matches[1];
}
} else {
$ret = "";
}
return $ret;
}
function cacheFavicon($icon) {
// Make sure only real favicons get fetched into the DB
if (! preg_match('#^https?://.+$#',$icon)) {
return false;
}
$icon_ = rss_real_escape_string($icon);
$binIcon = getUrl($icon);
if ($binIcon) {
$sql = "delete from " . getTable('cache')
." where cachetype='icon' and cachekey='$icon_'";
rss_query($sql);
$sql = "insert into ". getTable('cache')
."(cachekey,timestamp,cachetype,data) values "
."('$icon_',now(),'icon','".rss_real_escape_string($binIcon)."')";
rss_query($sql);
return rss_is_sql_error(RSS_SQL_ERROR_NO_ERROR);
}
return false;
}
function sanitize($input, $rules = 0) {
$ret = $input;
if ($rules & RSS_SANITIZER_SIMPLE_SQL) {
$ret = rss_real_escape_string($ret);
}
if ($rules & RSS_SANITIZER_NO_SPACES) {
$ret = preg_replace('#\s#','',$ret);
// also strip out SQL comments
$ret = preg_replace('#/\*.*\*/#','',$ret);
}
if ($rules & RSS_SANITIZER_NUMERIC) {
$ret = preg_replace('#[^0-9\.-]#','',$ret);
}
if ($rules & RSS_SANITIZER_CHARACTERS) {
$ret = preg_replace('#[^a-zA-Z]#','',$ret);
}
if ($rules & RSS_SANITIZER_CHARACTERS_EXT) {
$ret = preg_replace('#[^a-zA-Z_]#','',$ret);
}
if ($rules & RSS_SANITIZER_WORDS) {
$ret = preg_replace('#[^a-zA-Z0-9\-\._]#','',$ret);
}
if ($rules & RSS_SANITIZER_URL) {
// filter out "unsafe" characters: {,},|,\,^,<,>
$ret = preg_replace('#[{}\|\\\^<>]#','',$ret);
}
return $ret;
}
function hidePrivate() {
if (!isset($GLOBALS['rssuser'])) {
require_once('cls/user.php');
}
return !rss_user_check_user_level(RSS_USER_LEVEL_PRIVATE);
}
// Send a crappy 404 (to save bandwidth) for webbots
function rss_404() {
header("HTTP/1.1 404 Not Found");
echo "404 Page Not Found\n";
}
?>