mirror of
https://github.com/WhatCD/Gazelle.git
synced 2024-12-13 02:46:30 +00:00
280 lines
7.7 KiB
PHP
280 lines
7.7 KiB
PHP
<?
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/*-- Image Start Class ---------------------------------*/
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/*------------------------------------------------------*/
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/* Simplified version of script_start, used for the */
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/* sitewide image proxy. */
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/*------------------------------------------------------*/
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/********************************************************/
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error_reporting(E_COMPILE_ERROR|E_RECOVERABLE_ERROR|E_ERROR|E_CORE_ERROR);
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if (isset($_SERVER['http_if_modified_since'])) {
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header("Status: 304 Not Modified");
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die();
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}
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header('Expires: '.date('D, d-M-Y H:i:s \U\T\C', time() + 3600 * 24 * 120)); // 120 days
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header('Last-Modified: '.date('D, d-M-Y H:i:s \U\T\C', time()));
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require('classes/config.php'); // The config contains all site wide configuration information as well as memcached rules
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if (!extension_loaded('gd')) {
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error('nogd');
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}
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require(SERVER_ROOT.'/classes/cache.class.php'); // Require the caching class
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require(SERVER_ROOT.'/classes/encrypt.class.php'); // Require the encryption class
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require(SERVER_ROOT.'/classes/regex.php');
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$Cache = NEW CACHE($MemcachedServers); // Load the caching class
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$Enc = NEW CRYPT; // Load the encryption class
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if (isset($_COOKIE['session'])) {
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$LoginCookie = $Enc->decrypt($_COOKIE['session']);
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}
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if (isset($LoginCookie)) {
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list($SessionID, $UserID) = explode('|~|', $Enc->decrypt($LoginCookie));
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$UserID = (int)$UserID;
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$UserInfo = $Cache->get_value("user_info_$UserID");
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$Permissions = $Cache->get_value('perm_'.$UserInfo['PermissionID']);
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}
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function check_perms($PermissionName) {
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global $Permissions;
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return (isset($Permissions['Permissions'][$PermissionName])) ? true : false;
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}
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function error($Type) {
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header('Content-type: image/gif');
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die(file_get_contents(SERVER_ROOT.'/sections/image/'.$Type.'.gif'));
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}
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function invisible($Image) {
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$Count = imagecolorstotal($Image);
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if ($Count == 0) {
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return false;
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}
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$TotalAlpha = 0;
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for ($i = 0; $i < $Count; ++$i) {
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$Color = imagecolorsforindex($Image, $i);
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$TotalAlpha += $Color['alpha'];
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}
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return (($TotalAlpha/$Count) == 127) ? true : false;
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}
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function is_number($Str) {
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$Return = true;
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if ($Str < 0) {
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$Return = false;
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}
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// We're converting input to a int, then string and comparing to original
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$Return = ($Str == strval(intval($Str)) ? true : false);
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return $Return;
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}
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function verysmall($Image) {
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return ((imagesx($Image) * imagesy($Image)) < 25) ? true : false;
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}
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function image_type($Data) {
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if (!strncmp($Data, 'GIF', 3)) {
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return 'gif';
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}
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if (!strncmp($Data, pack('H*', '89504E47'), 4)) {
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return 'png';
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}
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if (!strncmp($Data, pack('H*', 'FFD8'), 2)) {
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return 'jpeg';
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}
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if (!strncmp($Data, 'BM', 2)) {
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return 'bmp';
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}
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if (!strncmp($Data, 'II', 2) || !strncmp($Data, 'MM', 2)) {
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return 'tiff';
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}
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}
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function image_height($Type, $Data) {
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$Length = strlen($Data);
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global $URL, $_GET;
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switch ($Type) {
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case 'jpeg':
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// See http://www.obrador.com/essentialjpeg/headerinfo.htm
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$i = 4;
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$Data = (substr($Data, $i));
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$Block = unpack('nLength', $Data);
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$Data = substr($Data, $Block['Length']);
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$i += $Block['Length'];
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$Str []= "Started 4, + ".$Block['Length'];
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while ($Data != '') { // iterate through the blocks until we find the start of frame marker (FFC0)
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$Block = unpack('CBlock/CType/nLength', $Data); // Get info about the block
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if ($Block['Block'] != '255') { // We should be at the start of a new block
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break;
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}
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if ($Block['Type'] != '192') { // C0
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$Data = substr($Data, $Block['Length'] + 2); // Next block
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$Str []= "Started $i, + ".($Block['Length'] + 2);
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$i += ($Block['Length'] + 2);
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} else { // We're at the FFC0 block
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$Data = substr($Data, 5); // Skip FF C0 Length(2) precision(1)
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$i += 5;
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$Height = unpack('nHeight', $Data);
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return $Height['Height'];
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}
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}
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break;
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case 'gif':
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$Data = substr($Data, 8);
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$Height = unpack('vHeight', $Data);
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return $Height['Height'];
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case 'png':
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$Data = substr($Data, 20);
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$Height = unpack('NHeight', $Data);
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return $Height['Height'];
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default:
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return 0;
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}
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}
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function send_pm($ToID, $FromID, $Subject, $Body, $ConvID = '') {
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global $DB, $Cache;
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if ($ToID == 0) {
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// Don't allow users to send messages to the system
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return;
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}
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if ($ConvID == '') {
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$DB->query("
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INSERT INTO pm_conversations (Subject)
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VALUES ('$Subject')");
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$ConvID = $DB->inserted_id();
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$DB->query("
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INSERT INTO pm_conversations_users
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(UserID, ConvID, InInbox, InSentbox, SentDate, ReceivedDate, UnRead)
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VALUES
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('$ToID', '$ConvID', '1', '0', '".sqltime()."', '".sqltime()."', '1')");
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if ($FromID != 0) {
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$DB->query("
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INSERT INTO pm_conversations_users
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(UserID, ConvID, InInbox, InSentbox, SentDate, ReceivedDate, UnRead)
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VALUES
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('$FromID', '$ConvID', '0', '1', '".sqltime()."', '".sqltime()."', '0')");
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}
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} else {
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$DB->query("
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UPDATE pm_conversations_users
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SET
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InInbox = '1',
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UnRead = '1',
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ReceivedDate = '".sqltime()."'
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WHERE UserID = '$ToID'
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AND ConvID = '$ConvID'");
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$DB->query("
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UPDATE pm_conversations_users
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SET
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InSentbox = '1',
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SentDate = '".sqltime()."'
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WHERE UserID = '$FromID'
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AND ConvID = '$ConvID'");
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}
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$DB->query("
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INSERT INTO pm_messages
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(SenderID, ConvID, SentDate, Body)
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VALUES
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('$FromID', '$ConvID', '".sqltime()."', '$Body')");
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// Clear the caches of the inbox and sentbox
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/*$DB->query("
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SELECT UnRead
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FROM pm_conversations_users
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WHERE ConvID = '$ConvID'
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AND UserID = '$ToID'");
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*/
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$DB->query("
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SELECT COUNT(ConvID)
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FROM pm_conversations_users
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WHERE UnRead = '1'
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AND UserID = '$ToID'
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AND InInbox = '1'");
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list($UnRead) = $DB->next_record(MYSQLI_BOTH, FALSE);
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$Cache->cache_value("inbox_new_$ToID", $UnRead);
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//if ($UnRead == 0) {
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// $Cache->increment("inbox_new_$ToID");
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//}
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return $ConvID;
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}
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function send_irc($Raw) {
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$IRCSocket = fsockopen(SOCKET_LISTEN_ADDRESS, SOCKET_LISTEN_PORT);
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fwrite($IRCSocket, $Raw);
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fclose($IRCSocket);
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}
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function display_str($Str) {
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if ($Str === NULL || $Str === false || is_array($Str)) {
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return '';
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}
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if ($Str != '' && !is_number($Str)) {
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$Str = make_utf8($Str);
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$Str = mb_convert_encoding($Str, 'HTML-ENTITIES', 'UTF-8');
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$Str = preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,5};)/m", '&', $Str);
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$Replace = array(
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"'",'"',"<",">",
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'€','‚','ƒ','„','…','†','‡','ˆ',
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'‰','Š','‹','Œ','Ž','‘','’','“',
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'”','•','–','—','˜','™','š','›',
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'œ','ž','Ÿ'
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);
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$With = array(
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''','"','<','>',
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'€','‚','ƒ','„','…','†','‡','ˆ',
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'‰','Š','‹','Œ','Ž','‘','’','“',
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'”','•','–','—','˜','™','š','›',
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'œ','ž','Ÿ'
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);
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$Str = str_replace($Replace, $With, $Str);
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}
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return $Str;
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}
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function make_utf8($Str) {
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if ($Str != '') {
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if (is_utf8($Str)) {
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$Encoding = 'UTF-8';
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}
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if (empty($Encoding)) {
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$Encoding = mb_detect_encoding($Str, 'UTF-8, ISO-8859-1');
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}
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if (empty($Encoding)) {
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$Encoding = 'ISO-8859-1';
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}
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if ($Encoding == 'UTF-8') {
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return $Str;
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} else {
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return @mb_convert_encoding($Str, 'UTF-8', $Encoding);
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}
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}
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}
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function is_utf8($Str) {
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return preg_match('%^(?:
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[\x09\x0A\x0D\x20-\x7E] // ASCII
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| [\xC2-\xDF][\x80-\xBF] // non-overlong 2-byte
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| \xE0[\xA0-\xBF][\x80-\xBF] // excluding overlongs
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| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} // straight 3-byte
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| \xED[\x80-\x9F][\x80-\xBF] // excluding surrogates
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| \xF0[\x90-\xBF][\x80-\xBF]{2} // planes 1-3
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| [\xF1-\xF3][\x80-\xBF]{3} // planes 4-15
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| \xF4[\x80-\x8F][\x80-\xBF]{2} // plane 16
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)*$%xs', $Str
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);
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}
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require(SERVER_ROOT.'/sections/image/index.php');
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?>
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