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@ -15,9 +15,97 @@ |
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if(!isset($_COOKIE[HASH_COOKIE]) || !isset($_COOKIE[TIME_COOKIE]) || $_COOKIE[HASH_COOKIE] != md5($_COOKIE[TIME_COOKIE].SALT)) { |
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if(!isset($_COOKIE[HASH_COOKIE]) || !isset($_COOKIE[TIME_COOKIE]) || $_COOKIE[HASH_COOKIE] != md5($_COOKIE[TIME_COOKIE].SALT)) { |
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$time = time(); |
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$time = time(); |
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setcookie(TIME_COOKIE, $time, time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true); |
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setcookie(TIME_COOKIE, $time, time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true); |
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setcookie(HASH_COOKIE, md5(time().SALT), time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true); |
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setcookie(HASH_COOKIE, md5($time.SALT), $time+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true); |
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$user = Array('valid' => false, 'appeared' => $time); |
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$user = Array('valid' => false, 'appeared' => $time); |
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} else { |
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} else { |
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$user = Array('valid' => true, 'appeared' => $_COOKIE[TIME_COOKIE]); |
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$user = Array('valid' => true, 'appeared' => $_COOKIE[TIME_COOKIE]); |
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} |
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} |
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// 'false' means that the user is not logged in as a moderator |
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$mod = false; |
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// Creates a small random string for validating moderators' cookies |
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function mkhash($length=12) { |
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// The method here isn't really important, |
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// but I think this generates a relatively |
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// unique string that looks cool. |
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// If you choose to change this, make sure it cannot include a ':' character. |
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return substr(base64_encode(sha1(rand() . time(), true)), 0, $length); |
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} |
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function login($username, $password, $makehash=true) { |
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global $sql, $mod; |
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// SHA1 password |
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if($makehash) { |
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$password = sha1($password); |
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} |
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$res = mysql_query(sprintf( |
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"SELECT `id`,`type` FROM `mods` WHERE `username` = '%s' AND `password` = '%s' LIMIT 1", |
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mysql_real_escape_string($username), |
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$password |
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), $sql) or error(mysql_error($sql)); |
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if($user = mysql_fetch_array($res)) { |
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return $mod = Array( |
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'id' => $user['id'], |
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'type' => $user['type'], |
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'username' => $username, |
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'password' => $password, |
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'hash' => mkhash() |
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); |
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} else return false; |
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} |
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function setCookies() { |
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global $mod; |
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if(!$mod) error('setCookies() was called for a non-moderator!'); |
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// MOD_COOKIE contains username:hash |
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setcookie(MOD_COOKIE, $mod['username'] . ':' . $mod['hash'], time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true); |
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// Put $mod in the session |
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$_SESSION['mod'] = $mod; |
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// Lock sessions to IP addresses |
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if(MOD_LOCK_IP) |
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$_SESSION['mod']['ip'] = $_SERVER['REMOTE_ADDR']; |
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} |
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function destroyCookies() { |
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// Delete the cookies |
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setcookie(MOD_COOKIE, 'deleted', time()-COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true); |
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// Unset the session |
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unset($_SESSION['mod']); |
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} |
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if(isset($_COOKIE['mod']) && isset($_SESSION['mod']) && is_array($_SESSION['mod'])) { |
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// Should be username:session hash |
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$cookie = explode(':', $_COOKIE['mod']); |
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if(count($cookie) != 2) { |
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destroyCookies(); |
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error(ERROR_MALFORMED); |
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} |
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// Validate session |
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if( $cookie[0] != $_SESSION['mod']['username'] || |
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$cookie[1] != $_SESSION['mod']['hash']) { |
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// Malformed cookies |
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destroyCookies(); |
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error(ERROR_MALFORMED); |
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} |
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// Open connection |
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sql_open(); |
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// Check username/password |
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if(!login($_SESSION['mod']['username'], $_SESSION['mod']['password'], false)) { |
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destroyCookies(); |
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error(ERROR_INVALIDAFTER); |
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} |
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$mod = $_SESSION['mod']; |
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} |
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?> |
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?> |