View difference between Paste ID: bWrNwSGk and xzH18Vat

 <?php
 /*
 Plugin Name: Signup Password
 Plugin URI:
 Description:
 Author: Andrew Billits
 Version: 1.0.5
 Author URI:
 */
 
 /*
 Copyright 2007-2009 Incsub (http://incsub.com)
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License (Version 2 - GPLv2) as published by
 the Free Software Foundation.
 
 This program 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 this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
 //------------------------------------------------------------------------//
 //---Config---------------------------------------------------------------//
 //------------------------------------------------------------------------//
 $signup_password_use_encryption = 'no'; //Either 'yes' OR 'no'
 //------------------------------------------------------------------------//
 //---Hook-----------------------------------------------------------------//
 //------------------------------------------------------------------------//
 add_action('wp_head', 'signup_password_stylesheet');
 add_action('signup_extra_fields', 'signup_password_fields');
 add_filter('wpmu_validate_user_signup', 'signup_password_filter');
 add_filter('signup_blogform', 'signup_password_fields_pass_through');
 add_filter('add_signup_meta', 'signup_password_meta_filter',99);
 add_filter('random_password', 'signup_password_random_password_filter');
 //------------------------------------------------------------------------//
 //---Functions------------------------------------------------------------//
 //------------------------------------------------------------------------//
 
 function signup_password_encrypt($data) {
 	if(!isset($chars))
 	{
 	// 3 different symbols (or combinations) for obfuscation
 	// these should not appear within the original text
 	$sym = array('¶', '¥xQ', '|');
 
 	foreach(range('a','z') as $key=>$val)
 	$chars[$val] = str_repeat($sym[0],($key + 1)).$sym[1];
 	$chars[' '] = $sym[2];
 
 	unset($sym);
 	}
 
 	// encrypt
 	$data = strtr(strtolower($data), $chars);
 	return $data;
 
 }
 
 function signup_password_decrypt($data) {
 	if(!isset($chars))
 	{
 	// 3 different symbols (or combinations) for obfuscation
 	// these should not appear within the original text
 	$sym = array('¶', '¥xQ', '|');
 
 	foreach(range('a','z') as $key=>$val)
 	$chars[$val] = str_repeat($sym[0],($key + 1)).$sym[1];
 	$chars[' '] = $sym[2];
 
 	unset($sym);
 	}
 
 	// decrypt
 	$charset = array_flip($chars);
 	$charset = array_reverse($charset, true);
 
 	$data = strtr($data, $charset);
 	unset($charset);
 	return $data;
 }
 
 function signup_password_filter($content) {
 	$password_1 = $_POST['password_1'];
 	$password_2 = $_POST['password_2'];
 	if ( !empty( $password_1 )  && $_POST['stage'] == 'validate-user-signup' ) {
 		if ( $password_1 != $password_2 ) {
 			$content['errors']->add('password', __('Passwords do not match.'));
 		}
 	}
 	return $content;
 }
 
 function signup_password_meta_filter($meta) {
 	global $signup_password_use_encryption;
 	$password_1 = $_POST['password_1'];
 	if ( !empty( $password_1 ) ) {
 		if ( $signup_password_use_encryption == 'yes' ) {
 			$password_1 = signup_password_encrypt($password_1);
 		}
 		$add_meta = array('password' => $password_1);
 		$meta = array_merge($add_meta, $meta);
 	}
 	return $meta;
 }
 
 function signup_password_random_password_filter($password) {
 	global $wpdb, $signup_password_use_encryption;
 
 	if ( ! empty($_GET['key']) ) {
 		$key = $_GET['key'];
 	} else {
 		$key = $_POST['key'];
 	}
 	if ( !empty($_POST['password_1']) ) {
 		$password = $_POST['password_1'];
 	} else if ( !empty( $key ) ) {
 		$signup = $wpdb->get_row("SELECT * FROM " . $wpdb->signups . " WHERE activation_key = '" . $key . "'");
 		if ( empty($signup) || $signup->active ) {
 			//bad key or already active
 		} else {
 			//check for password in signup meta
 			$meta = unserialize($signup->meta);
 			if ( !empty( $meta['password'] ) ) {
 				if ( $signup_password_use_encryption == 'yes' ) {
 					$password = signup_password_decrypt($meta['password']);
 				} else {
 					$password = $meta['password'];
 				}
 			}
 		}
 	}
 	return $password;
 }
 
 //------------------------------------------------------------------------//
 //---Output Functions-----------------------------------------------------//
 //------------------------------------------------------------------------//
 
 function signup_password_stylesheet() {
 ?>
 <style type="text/css">
 	.mu_register #password_1,
 	.mu_register #password_2 { width:100%; font-size: 24px; margin:5px 0; }
 </style>
 <?php
 }
 
 function signup_password_fields_pass_through() {
 	if ( !empty( $_POST['password_1'] ) && !empty( $_POST['password_2'] ) ) {
 		?>
         <input type="hidden" name="password_1" value="<?php echo $_POST['password_1']; ?>" />
 	    <?php
 	}
 }
 
 function signup_password_fields($errors) {
 	$error = $errors->get_error_message('password');
 	?>
     <label for="password"><?php _e('Password'); ?>:</label>
 		<?php
         if($error) {
 			echo '<p class="error">' . $error . '</p>';
         }
 		?>
 		<input name="password_1" type="password" id="password_1" value="" autocomplete="off" maxlength="20" /><br />
 		(<?php _e('Leave fields blank for a random password to be generated.') ?>)
     <label for="password"><?php _e('Confirm Password'); ?>:</label>
 		<input name="password_2" type="password" id="password_2" value="" autocomplete="off" maxlength="20" /><br />
 		(<?php _e('Type your new password again.') ?>)
 	<?php
 }
 
 ?>