Add new directory structure. Tags will contain current and past releases, and stable will contain any bug fixes to the current stable release so users won't have to get the potentially broken trunk build to fix a screwup in stable.

Trunk updated to 0.9

git-svn-id: http://kusabax.cultnet.net/svn/repo/stable@176 73d99b7e-4f53-4972-b7b7-2ecd3c4d89ee

inc/classes/bans.class.php

@@ -0,0 +1,135 @@
+<?php
+/*
+ * This file is part of kusaba.
+ *
+ * kusaba is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * kusaba is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * kusaba; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+/**
+ * Bans Class
+ *
+ * Assorted banning-related functions placed into class format
+ *
+ * @package kusaba
+ */
+
+class Bans {
+
+	/* Perform a check for a ban record for a specified IP address */
+	function BanCheck($ip, $board = '', $force_display = false) {
+		global $tc_db;
+
+		if (!isset($_COOKIE['tc_previousip'])) {
+			$_COOKIE['tc_previousip'] = '';
+		}
+
+		$bans = Array();
+		$results = $tc_db->GetAll("SELECT * FROM `".KU_DBPREFIX."banlist` WHERE ((`type` = '0' AND ( `ipmd5` = '" . md5($ip) . "' OR `ipmd5` = '". md5($_COOKIE['tc_previousip']) . "' )) OR `type` = '1') AND (`expired` = 0)" );
+		if (count($results)>0) {
+			foreach($results AS $line) {
+				if(($line['type'] == 1 && strpos($ip, md5_decrypt($line['ip'], KU_RANDOMSEED)) === 0) || $line['type'] == 0) {
+					if ($line['until'] != 0 && $line['until'] < time()){
+						$tc_db->Execute("UPDATE `".KU_DBPREFIX."banlist` SET `expired` = 1 WHERE `id` = ".$line['id']);
+						$line['expired'] = 1;
+						$this->UpdateHtaccess();
+					}
+					if ($line['globalban']!=1) {
+						if ((in_array($board, explode('|', $line['boards'])) || $board == '')) {
+							$line['appealin'] = substr(timeDiff($line['appealat'], true, 2), 0, -1);
+							$bans[] = $line;
+						}
+					} else {
+							$line['appealin'] = substr(timeDiff($line['appealat'], true, 2), 0, -1);
+							$bans[] = $line;
+					}
+				}
+			}
+		}
+		if(count($bans) > 0){
+			$tc_db->Execute("END TRANSACTION");
+			echo $this->DisplayBannedMessage($bans);
+			die();
+		}
+
+		if ($force_display) {
+			/* Instructed to display a page whether banned or not, so we will inform them today is their rucky day */
+			echo '<title>'._gettext('YOU ARE NOT BANNED!').'</title><div align="center"><img src="'. KU_WEBFOLDER .'youarenotbanned.jpg"><br /><br />'._gettext('Unable to find record of your IP being banned.').'</div>';
+		} else {
+			return true;
+		}
+	}
+
+	/* Add a ip/ip range ban */
+	function BanUser($ip, $modname, $globalban, $duration, $boards, $reason, $staffnote, $appealat=0, $type=0, $allowread=1, $proxyban=false) {
+		global $tc_db;
+
+		if ($duration>0) {
+			$ban_globalban = '0';
+		} else {
+			$ban_globalban = '1';
+		}
+		if ($duration>0) {
+			$ban_until = time()+$duration;
+		} else {
+			$ban_until = '0';
+		}
+
+		$tc_db->Execute("INSERT INTO `".KU_DBPREFIX."banlist` ( `ip` , `ipmd5` , `type` , `allowread` , `globalban` , `boards` , `by` , `at` , `until` , `reason`, `staffnote`, `appealat` ) VALUES ( ".$tc_db->qstr(md5_encrypt($ip, KU_RANDOMSEED))." , '".md5($ip)."' , '".$type."' , '".$allowread."' , '".$globalban."' , '".$boards."' , '".$modname."' , '".time()."' , ".$tc_db->qstr($ban_until)." , ".$reason." , ".$staffnote.", ".$appealat." ) ");
+
+		if (!$proxyban && $type == 1) {
+			$this->UpdateHtaccess();
+		}
+		return true;
+	}
+
+	/* Return the page which will inform the user a quite unfortunate message */
+	function DisplayBannedMessage($bans, $board='') {
+		/* Set a cookie with the users current IP address in case they use a proxy to attempt to make another post */
+		setcookie('tc_previousip', $_SERVER['REMOTE_ADDR'], (time() + 604800), KU_BOARDSFOLDER);
+
+		require_once KU_ROOTDIR . 'lib/dwoo.php';
+
+		$dwoo_data->assign('bans', $bans);
+
+		return $dwoo->get(KU_TEMPLATEDIR .'/banned.tpl', $dwoo_data);
+	}
+
+	function UpdateHtaccess() {
+		global $tc_db;
+
+		$htaccess_contents = file_get_contents(KU_BOARDSDIR.'.htaccess');
+		$htaccess_contents_preserve = substr($htaccess_contents, 0, strpos($htaccess_contents, '## !KU_BANS:')+12)."\n";
+
+		$htaccess_contents_bans_iplist = '';
+		$results = $tc_db->GetAll("SELECT `ip` FROM `".KU_DBPREFIX."banlist` WHERE `allowread` = 0 AND `type` = 0 AND (`expired` =  1) ORDER BY `ip` ASC");
+		if (count($results) > 0) {
+			$htaccess_contents_bans_iplist .= 'RewriteCond %{REMOTE_ADDR} (';
+			foreach($results AS $line) {
+				$htaccess_contents_bans_iplist .= str_replace('.', '\\.', md5_decrypt($line['ip'], KU_RANDOMSEED)) . '|';
+			}
+			$htaccess_contents_bans_iplist = substr($htaccess_contents_bans_iplist, 0, -1);
+			$htaccess_contents_bans_iplist .= ')$' . "\n";
+		}
+		if ($htaccess_contents_bans_iplist!='') {
+			$htaccess_contents_bans_start = "<IfModule mod_rewrite.c>\nRewriteEngine On\n";
+			$htaccess_contents_bans_end = "RewriteRule !^(banned.php|youarebanned.jpg|favicon.ico|css/site_futaba.css)$ " . KU_BOARDSFOLDER . "banned.php [L]\n</IfModule>";
+		} else {
+			$htaccess_contents_bans_start = '';
+			$htaccess_contents_bans_end = '';
+		}
+		$htaccess_contents_new = $htaccess_contents_preserve.$htaccess_contents_bans_start.$htaccess_contents_bans_iplist.$htaccess_contents_bans_end;
+		file_put_contents(KU_BOARDSDIR.'.htaccess', $htaccess_contents_new);
+	}
+}
+
+?>