Well, the script is too big to post. Does anyone have any ideas? Here is the first little bit:
<
$show_thumbnails = false; // set this to true if you want to show thumbnails
$browse_cache = true; // cache user browsing? (will speed up your directory much)
$search_cache = false; // cache user searches as well? - disk space usage will increase
$cache_timeout = 0; // seconds passed before updating cache .. 60*60*24*7 = 604800 = 7 days before cache is updated ..
// set cache_timeout to 0 if you do not want the cache to be updated ever (or when you delete the files manually)
$cache_folder = "cache"; // if you don't want users to be able to browse your cache, change this to something .. strange :)
$use_portal_page = false; // set this to true if you want to make all links in your directory to go through go.php
$adult_filter = false; // block the /Adult/ category and searches listed below? (remember, the open directory contains lots of adult material!)
$illegalwords = array("xxx", // if adult_filter (above) is true, then the search words in this array will be blocked
"porn",
"pussy",
"tgp");
// English users set this to "en" to show amazon.com link
// German users set it to "de" to show amazon.de link
// If you do not want to show the amazon table just leave them blank ("")
$show_search_sponsor = "";
$show_browse_sponsor = "";
$rooturl = "http://dmoz.org/";
$rootcategory = "";
/*
* STOP --- > EDITING BELOW SHOULD NOT BE NECESSARY (but could be if externals are changed)
*/
// This is the string that shows when dmoz is under heavy load. The script will know not to cache this since the original page should be retrieved later on.
$donotcache = "The Open Directory search is currently under a heavy load. Please try back later.";
global $myrooturl,$searchstring,$filename,$donotcache;
$filename = $HTTP_SERVER_VARS['PHP_SELF'];
?>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<?
$sponsor_file_search = "search_sponsor_header.php"; // default
if($show_search_sponsor == "de") $sponsor_file_search = "search_sponsor_header_de.php";
$sponsor_file_browse = "search_sponsor_header.php"; // default
if($show_browse_sponsor == "de") $sponsor_file_browse = "search_sponsor_header_de.php";
// replacement variables
$replace = $filename . "?browse=";
$linkstr = '<a href="';
$odp_image_path = '/img/';
$your_image_path = '';
$search_next = '<a href="search';
$search_next_replace = '<a href="' . $filename;
$searchurl = "http://search.dmoz.org/cgi-bin/search?search=";
$startstr = "<table cellspacing"; // start str to search for on the main page
$endstr = "</td></tr></table>"; // end str to search for on the main page
$startbrws = "<hr>"; // start str to search for when browsing
$endbrws = '<table width="95%" cellpadding=0'; // end str to search for when browsing
// $startsrch = '<font size="+1"><b>Open Directory Sites'; // will remove categories from search result
$startsrch = '<CENTER>Search:'; // start str to search for when searching
$endsrch = '<TABLE cellpadding=0'; // end str to search for when searching
$noresult = 'No sites matching your query were'; // feedback from dmoz.org when no sites are found
/****************************************************************************
* Some useful functions
****************************************************************************/
function error_handler($severity, $msg, $filename, $linenum) {
switch($severity) {
case 8: // notice
break;
case 2:
errorMsg($msg);
break;
default:
errorMsg($msg);
break;
}
}
/**
* takes a string of unicode entities and converts it to a utf-8 encoded string
* each unicode entitiy has the form &#nnn(nn); n={0..9} and can be displayed by utf-8 supporting
* browsers. Ascii will not be modified.
* @param $source string of unicode entities [STRING]
* @return a utf-8 encoded string [STRING]
* @access public
*/
function utf8Encode ($source) {
$utf8Str = '';
$entityArray = explode ("&#", $source);
$size = count ($entityArray);
for ($i = 0; $i < $size; $i++) {
$subStr = $entityArray[$i];
$nonEntity = strstr ($subStr, ';');
if ($nonEntity !== false) {
$unicode = intval (substr ($subStr, 0, (strpos ($subStr, ';') + 1)));
// determine how many chars are needed to reprsent this unicode char
if ($unicode < 128) {
$utf8Substring = chr ($unicode);
}
else if ($unicode >= 128 && $unicode < 2048) {
$binVal = str_pad (decbin ($unicode), 11, "0", STR_PAD_LEFT);
$binPart1 = substr ($binVal, 0, 5);
$binPart2 = substr ($binVal, 5);
$char1 = chr (192 + bindec ($binPart1));
$char2 = chr (128 + bindec ($binPart2));
$utf8Substring = $char1 . $char2;
}
else if ($unicode >= 2048 && $unicode < 65536) {
$binVal = str_pad (decbin ($unicode), 16, "0", STR_PAD_LEFT);
$binPart1 = substr ($binVal, 0, 4);
$binPart2 = substr ($binVal, 4, 6);
$binPart3 = substr ($binVal, 10);
$char1 = chr (224 + bindec ($binPart1));
$char2 = chr (128 + bindec ($binPart2));
$char3 = chr (128 + bindec ($binPart3));
$utf8Substring = $char1 . $char2 . $char3;
}
else {
$binVal = str_pad (decbin ($unicode), 21, "0", STR_PAD_LEFT);
$binPart1 = substr ($binVal, 0, 3);
$binPart2 = substr ($binVal, 3, 6);
$binPart3 = substr ($binVal, 9, 6);
$binPart4 = substr ($binVal, 15);
$char1 = chr (240 + bindec ($binPart1));
$char2 = chr (128 + bindec ($binPart2));
$char3 = chr (128 + bindec ($binPart3));
$char4 = chr (128 + bindec ($binPart4));
$utf8Substring = $char1 . $char2 . $char3 . $char4;
}
if (strlen ($nonEntity) > 1)
$nonEntity = substr ($nonEntity, 1); // chop the first char (';')
else
$nonEntity = '';
$utf8Str .= $utf8Substring . $nonEntity;
}
else {
$utf8Str .= $subStr;
}
}
return $utf8Str;
}
/**
* urlencode the link
*/
function linkencode($url) {
$odpurl = urlencode($url);
return str_replace (
array("%2F", "%26","%3A", "%3F", "%3D", "%2C"),
array("/","&",":","?","=",",")
, $odpurl);
}
/**
* Make sure incomming $browse variable is 'clean'
*/
function cleanBrowse($browse) {
if($browse == "/") return "";
else {
if(get_magic_quotes_gpc()) {
return stripslashes($browse);
} else {
return $browse;
}
}
}
/**
* Make sure incomming search variable is 'clean'
*/
function cleanSearch($search) {
return strip_tags($search);
}
/**
* Will display an error message to the webmaster
*/
function errorMsg( $msg ) {
echo "<center><table width='300' border='0' cellspacing='1' cellpadding='0' bgcolor='#000000'><tr><td><table width='100%' bgcolor='#CC0033' border='0' cellspacing='4' cellpadding='0'>";
echo "<tr><td align='center'><font face='Arial' size=3 color='#FFFF00'><b>Attention webmaster:</b></font><br><br>";
echo "<font face='Arial' size=2 color='#ffffff'>$msg</font>";
echo "</td></tr></table></td></tr></table></center>";
}
/**
* Will read data from dmoz, or the local cache (if enabled)
*/
function readData( $odpurl, $enable_cache ) {
global $cache_folder, $cache_timeout;
if($enable_cache) {
$filename = md5($odpurl);
$fullpath = $cache_folder."/".$filename;
if(file_exists($fullpath)) { // already cached
if($cache_timeout == 0) {
$odpurl = $fullpath;
} else {
$diff = time()-filemtime($fullpath);
if($diff > $cache_timeout) {
$savecache = true;
} else {
$odpurl = $fullpath;
}
}
} else {
$savecache = true;
}
}
if((@$fp = fopen( $odpurl, "r" )) != false) {
$html = join( "", file( $odpurl ) );
fclose ( $fp );
if($savecache) {
if(strpos($html, $donotcache) === false) { // don't cache if this is the 'ODP under heavy load' message
if((@$cf = fopen( $fullpath, "w" )) != false) {
fwrite($cf, $html);
fclose( $cf );
} else {
errorMsg("Error writing to cache!<br>Make sure the cache folder exists and is writable by this script (you may also disable the cache)");
}
}
}
} else {
errorMsg("Error reading data from dmoz. This may be caused by the fact that you do not have access to use fopen() in this way.<br>Or it may be because the dmoz url is incorrect.<br><br>See <a href='http://www.bie.no/forum/index.php?act=ST&f=2&t=53'>discussion here</a> for more info!");
}
return $html;
}
/****************************************************************************
* Main script start
****************************************************************************/
set_error_handler("error_handler");
$browse = cleanBrowse($HTTP_GET_VARS["browse"]);
$ver = $HTTP_GET_VARS["ver"];
$searchstring = $HTTP_POST_VARS["search"];
if($searchstring == "") $searchstring = $HTTP_GET_VARS["search"];
$searchstring = cleanSearch($searchstring);
$start = intval($HTTP_GET_VARS["start"]);
$morecat = htmlspecialchars($HTTP_GET_VARS["morecat"]);
/**
* Check for adult content ??
*/
if($adult_filter) {
if( $browse != "") {
$catarr = explode("/", $browse);
$i=0;
while($catarr[$i] == "") $i++;
if(strtolower($catarr[$i]) == "adult") {
include("includes/blocked.php");
die();
}
} else if($searchstring != "") {
