WordPress/b2login.php

<?php
require('b2config.php');
require_once($abspath.$b2inc.'/b2template.functions.php');
require_once($abspath.$b2inc.'/b2functions.php');
require_once($abspath.$b2inc.'/b2vars.php');

if (!function_exists('add_magic_quotes')) {
	function add_magic_quotes($array) {
		foreach ($array as $k => $v) {
			if (is_array($v)) {
				$array[$k] = add_magic_quotes($v);
			} else {
				$array[$k] = addslashes($v);
			}
		}
		return $array;
	} 
}

if (!get_magic_quotes_gpc()) {
	$HTTP_GET_VARS    = add_magic_quotes($HTTP_GET_VARS);
	$HTTP_POST_VARS   = add_magic_quotes($HTTP_POST_VARS);
	$HTTP_COOKIE_VARS = add_magic_quotes($HTTP_COOKIE_VARS);
}

$b2varstoreset = array('action','mode','error','text','popupurl','popuptitle');

for ($i = 0; $i < count($b2varstoreset); $i = $i + 1) {
	$b2var = $b2varstoreset[$i];
	if (!isset($$b2var)) {
		if (empty($HTTP_POST_VARS["$b2var"])) {
			if (empty($HTTP_GET_VARS["$b2var"])) {
				$$b2var = '';
			} else {
				$$b2var = $HTTP_GET_VARS["$b2var"];
			}
		} else {
			$$b2var = $HTTP_POST_VARS["$b2var"];
		}
	}
}

/* connecting the db */
$connexion = @mysql_connect($server,$loginsql,$passsql) or die("Can't connect to the database<br>".mysql_error());
mysql_select_db("$base");

switch($action) {

case "logout":

	setcookie("wordpressuser");
	setcookie("wordpresspass");
	header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
	header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
	header("Cache-Control: no-cache, must-revalidate"); // for HTTP/1.1
	header("Pragma: no-cache");
	if ($is_IIS) {
		header("Refresh: 0;url=b2login.php");
	} else {
		header("Location: b2login.php");
	}
	exit();

break;

case "login":

	if(!empty($HTTP_POST_VARS)) {
		$log = $HTTP_POST_VARS["log"];
		$pwd = $HTTP_POST_VARS["pwd"];
		$redirect_to = $HTTP_POST_VARS["redirect_to"];
	}

	function login() {
		global $server,$loginsql,$passsql,$base,$log,$pwd,$error,$user_ID;
		global $tableusers, $pass_is_md5;
		$user_login=$log;
		$password=$pwd;
		if (!$user_login) {
			$error="<b>ERROR</b>: the login field is empty";
			return false;
		}

		if (!$password) {
			$error="<b>ERROR</b>: the password field is empty";
			return false;
		}

		if (substr($password,0,4)=="md5:") {
			$pass_is_md5 = 1;
			$password = substr($password,4,strlen($password));
			$query =  " SELECT ID, user_login, user_pass FROM $tableusers WHERE user_login = '$user_login' AND MD5(user_pass) = '$password' ";
		} else {
			$pass_is_md5 = 0;
			$query =  " SELECT ID, user_login, user_pass FROM $tableusers WHERE user_login = '$user_login' AND user_pass = '$password' ";
		}
		$result = mysql_query($query) or die("Incorrect Login/Password request: ".mysql_error());

		$lines = mysql_num_rows($result);
		if ($lines<1) {
			$error="<b>ERROR</b>: wrong login or password";
			$pwd="";
			return false;
		} else {
		$res=mysql_fetch_row($result);
		$user_ID=$res[0];
			if (($pass_is_md5==0 && $res[1]==$user_login && $res[2]==$password) || ($pass_is_md5==1 && $res[1]==$user_login && md5($res[2])==$password)) {
				return true;
			} else {
				$error="<b>ERROR</b>: wrong login or password";
				$pwd="";
			return false;
			}
		}
	}

	if (!login()) {
		header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
		header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
		header("Cache-Control: no-cache, must-revalidate");
		header("Pragma: no-cache");
		if ($is_IIS) {
			header("Refresh: 0;url=b2login.php");
		} else {
			header("Location: b2login.php");
		}
		exit();
	} else {
		$user_login=$log;
		$user_pass=$pwd;
		setcookie("wordpressuser",$user_login,time()+31536000);
		if ($pass_is_md5) {
			setcookie("wordpresspass",$user_pass,time()+31536000);
		} else {
			setcookie("wordpresspass",md5($user_pass),time()+31536000);
		}
		if (empty($HTTP_COOKIE_VARS["wordpressblogid"])) {
			setcookie("wordpressblogid","1",time()+31536000);
		}
		header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
		header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
		header("Cache-Control: no-cache, must-revalidate");
		header("Pragma: no-cache");

		switch($mode) {
			case "bookmarklet":
				$location="wp-admin/b2bookmarklet.php?text=$text&popupurl=$popupurl&popuptitle=$popuptitle";
				break;
			case "sidebar":
				$location="wp-admin/sidebar.php?text=$text&popupurl=$popupurl&popuptitle=$popuptitle";
				break;
			case "profile":
				$location="wp-admin/profile.php?text=$text&popupurl=$popupurl&popuptitle=$popuptitle";
				break;
			default:
				$location="$redirect_to";
				break;
		}

		if ($is_IIS) {
			header("Refresh: 0;url=$location");
		} else {
			header("Location: $location");
		}
	}

break;


case "lostpassword":

	?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<title>WordPress > Lost password ?</title>
	<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
	<link rel="stylesheet" href="<?php echo $siteurl; ?>/wp-admin/b2.css" type="text/css" />
	<style type="text/css">
	<!--
	<?php
	if (!preg_match("/Nav/",$HTTP_USER_AGENT)) {
	?>
	textarea, input, select {
		background-color: #f0f0f0;
		border-width: 1px;
		border-color: #cccccc;
		border-style: solid;
		padding: 2px;
		margin: 1px;
	}
	<?php
	}
	?>
	-->
	</style>
</head>
<body>

<table width="100%" height="100%">
<td align="center" valign="middle">

<div id="login">
<p>Type your login here and click OK. You will receive an email with your password.</p>
<?php
if ($error) echo "<div align=\"right\" style=\"padding:4px;\"><font color=\"#FF0000\">$error</font><br />&nbsp;</div>";
?>

<form name="" action="b2login.php" method="post">
<input type="hidden" name="action" value="retrievepassword" />
<label>Login: <input type="text" name="user_login" id="user_login" value="" size="12" /></label>
<input type="submit" name="Submit2" value="OK" class="search">

</form>
</div>

</td>
</tr>
</table>

</body>
</html>
	<?php

break;


case "retrievepassword":

	$user_login = $HTTP_POST_VARS["user_login"];
	$user_data = get_userdatabylogin($user_login);
	$user_email = $user_data["user_email"];
	$user_pass = $user_data["user_pass"];

	$message  = "Login: $user_login\r\n";
	$message .= "Password: $user_pass\r\n";

	$m = mail($user_email, "your weblog's login/password", $message);

	if ($m == false) {
		echo "<p>The email could not be sent.<br />\n";
		echo "Possible reason: your host may have disabled the mail() function...</p>";
		die();
	} else {
		echo "<p>The email was sent successfully to $user_login's email address.<br />\n";
		echo "<a href=\"b2login.php\">Click here to login !</a></p>";
		die();
	}

break;


default:

	if((!empty($HTTP_COOKIE_VARS["wordpressuser"])) && (!empty($HTTP_COOKIE_VARS["wordpresspass"]))) {
		$user_login = $HTTP_COOKIE_VARS["wordpressuser"];
		$user_pass_md5 = $HTTP_COOKIE_VARS["wordpresspass"];
	}

	function checklogin() {
		global $server,$loginsql,$passsql,$base;
		global $user_login,$user_pass_md5,$user_ID;

		$userdata = get_userdatabylogin($user_login);

		if ($user_pass_md5 != md5($userdata["user_pass"])) {
			return false;
		} else {
			return true;
		}
	} 

	if ( !(checklogin()) ) {
		if (!empty($HTTP_COOKIE_VARS["wordpressuser"])) {
			$error="Error: wrong login/password"; //, or your session has expired.";
		}
	} else {
		header("Expires: Wed, 5 Jun 1979 23:41:00 GMT"); /* private joke: this is my birthdate - though officially it's on the 6th, since I'm GMT+1 :) */
		header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); /* different all the time */
		header("Cache-Control: no-cache, must-revalidate"); /* to cope with HTTP/1.1 */
		header("Pragma: no-cache");
		header("Location: wp-admin/b2edit.php");
		exit();
	}
	?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>WordPress > Login form</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" href="<?php echo $siteurl; ?>/wp-admin/b2.css" type="text/css">
<style type="text/css">
<!--
<?php
if (!preg_match("/Nav/",$HTTP_USER_AGENT)) {
?>
textarea, input, select {
	background-color: #f0f0f0;
	border-width: 1px;
	border-color: #cccccc;
	border-style: solid;
	padding: 2px;
	margin: 1px;
}
<?php
}
?>
-->
</style>
</head>
<body>

<table width="100%" height="100%">
<td align="center" valign="middle">

<div id="login">
<p><a href="<?php echo $siteurl?>">Back to blog?</a><br />
<?php if ($users_can_register) { ?>
    <a href="<?php echo $siteurl; ?>/b2register.php">Register?</a><br />
<?php } ?>
   <a href="<?php echo $siteurl; ?>/b2login.php?action=lostpassword">Lost your password?</a></p>

<?php
if ($error) echo "<div align=\"right\" style=\"padding:4px;\"><font color=\"#FF0000\">$error</font><br />&nbsp;</div>";
?>

<form name="" action="<?php echo $path; ?>/b2login.php" method="post">
<?php if ($mode=="bookmarklet") { ?>
<input type="hidden" name="mode" value="<?php echo $mode ?>" />
<input type="hidden" name="text" value="<?php echo $text ?>" />
<input type="hidden" name="popupurl" value="<?php echo $popupurl ?>" />
<input type="hidden" name="popuptitle" value="<?php echo $popuptitle ?>" />
<?php } ?>
<input type="hidden" name="redirect_to" value="wp-admin/b2edit.php" />
<input type="hidden" name="action" value="login" />
<label>Login: <input type="text" name="log" value="" size="8" /></label><br />
<label>Password: <input type="password" name="pwd" value="" size="8" /></label><br />
<input type="submit" name="Submit2" value="OK" class="search">

</form>

</div>
</td>
</tr>
</table>

</body>
</html>
	<?php

break;
}

?>