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<?php

/** Sets up the WordPress Environment. */
require( dirname(__FILE__) . '/wp-load.php' );

add_action( 'wp_head', 'wp_no_robots' );

require( './wp-blog-header.php' );

if ( is_array( get_site_option( 'illegal_names' )) && isset( $_GET[ 'new' ] ) && in_array( $_GET[ 'new' ], get_site_option( 'illegal_names' ) ) == true ) {
wp_redirect( network_home_url() );
die();
}

function do_signup_header() {
do_action( 'signup_header' );
}
add_action( 'wp_head', 'do_signup_header' );

if ( !is_multisite() ) {
wp_redirect( site_url('wp-login.php?action=register') );
die();
}

if ( !is_main_site() ) {
wp_redirect( network_home_url( 'wp-signup.php' ) );
die();
}

// Fix for page title
$wp_query->is_404 = false;

function wpmu_signup_stylesheet() {
?>
<style type="text/css">
.mu_register { width: 90%; margin:0 auto; }
.mu_register form { margin-top: 2em; }
.mu_register .error { font-weight:700; padding:10px; color:#333333; background:#FFEBE8; border:1px solid #CC0000; }
.mu_register input[type="submit"],
.mu_register #blog_title,
.mu_register #user_email,
.mu_register #blogname,
.mu_register #user_name { width:100%; font-size: 24px; margin:5px 0; }
.mu_register .prefix_address,
.mu_register .suffix_address {font-size: 18px;display:inline; }
.mu_register label { font-weight:700; font-size:15px; display:block; margin:10px 0; }
.mu_register label.checkbox { display:inline; }
.mu_register .mu_alert { font-weight:700; padding:10px; color:#333333; background:#ffffe0; border:1px solid #e6db55; }
</style>
<?php
}

add_action( 'wp_head', 'wpmu_signup_stylesheet' );
get_header();

do_action( 'before_signup_form' );
?>
<div id="content" class="widecolumn">
<div class="mu_register">
<?php
function show_blog_form($blogname = '', $blog_title = '', $errors = '') {
global $current_site;
// Blog name
if ( !is_subdomain_install() )
echo '<label for="blogname">' . __('Site Name:') . '</label>';
else
echo '<label for="blogname">' . __('Site Domain:') . '</label>';

if ( $errmsg = $errors->get_error_message('blogname') ) { ?>
<p class="error"><?php echo $errmsg ?></p>
<?php }

if ( !is_subdomain_install() )
echo '<span class="prefix_address">' . $current_site->domain . $current_site->path . '</span><input name="blogname" type="text" id="blogname" value="'. esc_attr($blogname) .'" maxlength="60" /><br />';
else
echo '<input name="blogname" type="text" id="blogname" value="'.esc_attr($blogname).'" maxlength="60" /><span class="suffix_address">.' . ( $site_domain = preg_replace( '|^www\.|', '', $current_site->domain ) ) . '</span><br />';

if ( !is_user_logged_in() ) {
if ( !is_subdomain_install() )
$site = $current_site->domain . $current_site->path . __( 'sitename' );
else
$site = __( 'domain' ) . '.' . $site_domain . $current_site->path;
echo '<p>(<strong>' . sprintf( __('Your address will be %s.'), $site ) . '</strong>) ' . __( 'Must be at least 4 characters, letters and numbers only. It cannot be changed, so choose carefully!' ) . '</p>';
}

// Blog Title
?>
<label for="blog_title"><?php _e('Site Title:') ?></label>
<?php if ( $errmsg = $errors->get_error_message('blog_title') ) { ?>
<p class="error"><?php echo $errmsg ?></p>
<?php }
echo '<input name="blog_title" type="text" id="blog_title" value="'.esc_attr($blog_title).'" />';
?>

<div id="privacy">
<p class="privacy-intro">
<label for="blog_public_on"><?php _e('Privacy:') ?></label>
<?php _e( 'Allow search engines to index this site.' ); ?>
<br style="clear:both" />
<label class="checkbox" for="blog_public_on">
<input type="radio" id="blog_public_on" name="blog_public" value="1" <?php if ( !isset( $_POST['blog_public'] ) || $_POST['blog_public'] == '1' ) { ?>checked="checked"<?php } ?> />
<strong><?php _e( 'Yes' ); ?></strong>
</label>
<label class="checkbox" for="blog_public_off">
<input type="radio" id="blog_public_off" name="blog_public" value="0" <?php if ( isset( $_POST['blog_public'] ) && $_POST['blog_public'] == '0' ) { ?>checked="checked"<?php } ?> />
<strong><?php _e( 'No' ); ?></strong>
</label>
</p>
</div>

<?php
do_action('signup_blogform', $errors);
}

function validate_blog_form() {
$user = '';
if ( is_user_logged_in() )
$user = wp_get_current_user();

return wpmu_validate_blog_signup($_POST['blogname'], $_POST['blog_title'], $user);
}

function show_user_form($user_name = '', $user_email = '', $errors = '') {
// User name
echo '<label for="user_name">' . __('Username:') . '</label>';
if ( $errmsg = $errors->get_error_message('user_name') ) {
echo '<p class="error">'.$errmsg.'</p>';
}
echo '<input name="user_name" type="text" id="user_name" value="'. esc_attr($user_name) .'" maxlength="60" /><br />';
_e( '(Must be at least 4 characters, letters and numbers only.)' );
?>

<label for="user_email"><?php _e( 'Email&nbsp;Address:' ) ?></label>
<?php if ( $errmsg = $errors->get_error_message('user_email') ) { ?>
<p class="error"><?php echo $errmsg ?></p>
<?php } ?>
<input name="user_email" type="text" id="user_email" value="<?php echo esc_attr($user_email) ?>" maxlength="200" /><br /><?php _e('We send your registration email to this address. (Double-check your email address before continuing.)') ?>
<?php
if ( $errmsg = $errors->get_error_message('generic') ) {
echo '<p class="error">' . $errmsg . '</p>';
}
do_action( 'signup_extra_fields', $errors );
}

function validate_user_form() {
return wpmu_validate_user_signup($_POST['user_name'], $_POST['user_email']);
}

function signup_another_blog($blogname = '', $blog_title = '', $errors = '') {
global $current_site;
$current_user = wp_get_current_user();

if ( ! is_wp_error($errors) ) {
$errors = new WP_Error();
}

// allow definition of default variables
$filtered_results = apply_filters('signup_another_blog_init', array('blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors ));
$blogname = $filtered_results['blogname'];
$blog_title = $filtered_results['blog_title'];
$errors = $filtered_results['errors'];

echo '<h2>' . sprintf( __( 'Get <em>another</em> %s site in seconds' ), $current_site->site_name ) . '</h2>';

if ( $errors->get_error_code() ) {
echo '<p>' . __( 'There was a problem, please correct the form below and try again.' ) . '</p>';
}
?>
<p><?php printf( __( 'Welcome back, %s. By filling out the form below, you can <strong>add another site to your account</strong>. There is no limit to the number of sites you can have, so create to your heart&#8217;s content, but write responsibly!' ), $current_user->display_name ) ?></p>

<?php
$blogs = get_blogs_of_user($current_user->ID);
if ( !empty($blogs) ) { ?>

<p><?php _e( 'Sites you are already a member of:' ) ?></p>
<ul>
<?php foreach ( $blogs as $blog ) {
$home_url = get_home_url( $blog->userblog_id );
echo '<li><a href="' . esc_url( $home_url ) . '">' . $home_url . '</a></li>';
} ?>
</ul>
<?php } ?>

<p><?php _e( 'If you&#8217;re not going to use a great site domain, leave it for a new user. Now have at it!' ) ?></p>
<form id="setupform" method="post" action="wp-signup.php">
<input type="hidden" name="stage" value="gimmeanotherblog" />
<?php do_action( 'signup_hidden_fields' ); ?>
<?php show_blog_form($blogname, $blog_title, $errors); ?>
<p class="submit"><input type="submit" name="submit" class="submit" value="<?php esc_attr_e( 'Create Site' ) ?>" /></p>
</form>
<?php
}

function validate_another_blog_signup() {
global $wpdb, $blogname, $blog_title, $errors, $domain, $path;
$current_user = wp_get_current_user();
if ( !is_user_logged_in() )
die();

$result = validate_blog_form();
extract($result);

if ( $errors->get_error_code() ) {
signup_another_blog($blogname, $blog_title, $errors);
return false;
}

$public = (int) $_POST['blog_public'];
$meta = apply_filters( 'signup_create_blog_meta', array( 'lang_id' => 1, 'public' => $public ) ); // deprecated
$meta = apply_filters( 'add_signup_meta', $meta );

wpmu_create_blog( $domain, $path, $blog_title, $current_user->ID, $meta, $wpdb->siteid );
confirm_another_blog_signup($domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta);
return true;
}

function confirm_another_blog_signup($domain, $path, $blog_title, $user_name, $user_email = '', $meta = '') {
?>
<h2><?php printf( __( 'The site %s is yours.' ), "<a href='http://{$domain}{$path}'>{$blog_title}</a>" ) ?></h2>
<p>
<?php printf( __( '<a href="http://%1$s">http://%2$s</a> is your new site. <a href="%3$s">Log in</a> as &#8220;%4$s&#8221; using your existing password.' ), $domain.$path, $domain.$path, "http://" . $domain.$path . "wp-login.php", $user_name ) ?>
</p>
<?php
do_action( 'signup_finished' );
}

function signup_user($user_name = '', $user_email = '', $errors = '') {
global $current_site, $active_signup;

if ( !is_wp_error($errors) )
$errors = new WP_Error();

$signup_for = isset( $_POST[ 'signup_for' ] ) ? esc_html( $_POST[ 'signup_for' ] ) : 'blog';

// allow definition of default variables
$filtered_results = apply_filters('signup_user_init', array('user_name' => $user_name, 'user_email' => $user_email, 'errors' => $errors ));
$user_name = $filtered_results['user_name'];
$user_email = $filtered_results['user_email'];
$errors = $filtered_results['errors'];

?>

<h2><?php printf( __( 'Get your own %s account in seconds' ), $current_site->site_name ) ?></h2>
<form id="setupform" method="post" action="wp-signup.php">
<input type="hidden" name="stage" value="validate-user-signup" />
<?php do_action( 'signup_hidden_fields' ); ?>
<?php show_user_form($user_name, $user_email, $errors); ?>

<p>
<?php if ( $active_signup == 'blog' ) { ?>
<input id="signupblog" type="hidden" name="signup_for" value="blog" />
<?php } elseif ( $active_signup == 'user' ) { ?>
<input id="signupblog" type="hidden" name="signup_for" value="user" />
<?php } else { ?>
<input id="signupblog" type="radio" name="signup_for" value="blog" <?php checked( $signup_for, 'blog' ); ?> />
<label class="checkbox" for="signupblog"><?php _e('Gimme a site!') ?></label>
<br />
<input id="signupuser" type="radio" name="signup_for" value="user" <?php checked( $signup_for, 'user' ); ?> />
<label class="checkbox" for="signupuser"><?php _e('Just a username, please.') ?></label>
<?php } ?>
</p>

<p class="submit"><input type="submit" name="submit" class="submit" value="<?php esc_attr_e('Next') ?>" /></p>
</form>
<?php
}

function validate_user_signup() {
$result = validate_user_form();
extract($result);

if ( $errors->get_error_code() ) {
signup_user($user_name, $user_email, $errors);
return false;
}

if ( 'blog' == $_POST['signup_for'] ) {
signup_blog($user_name, $user_email);
return false;
}

wpmu_signup_user($user_name, $user_email, apply_filters( 'add_signup_meta', array() ) );

confirm_user_signup($user_name, $user_email);
return true;
}

function confirm_user_signup($user_name, $user_email) {
?>
<h2><?php printf( __( '%s is your new username' ), $user_name) ?></h2>
<p><?php _e( 'But, before you can start using your new username, <strong>you must activate it</strong>.' ) ?></p>
<p><?php printf( __( 'Check your inbox at <strong>%s</strong> and click the link given.' ), $user_email ); ?></p>
<p><?php _e( 'If you do not activate your username within two days, you will have to sign up again.' ); ?></p>
<?php
do_action( 'signup_finished' );
}

function signup_blog($user_name = '', $user_email = '', $blogname = '', $blog_title = '', $errors = '') {
if ( !is_wp_error($errors) )
$errors = new WP_Error();

// allow definition of default variables
$filtered_results = apply_filters('signup_blog_init', array('user_name' => $user_name, 'user_email' => $user_email, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors ));
$user_name = $filtered_results['user_name'];
$user_email = $filtered_results['user_email'];
$blogname = $filtered_results['blogname'];
$blog_title = $filtered_results['blog_title'];
$errors = $filtered_results['errors'];

if ( empty($blogname) )
$blogname = $user_name;
?>
<form id="setupform" method="post" action="wp-signup.php">
<input type="hidden" name="stage" value="validate-blog-signup" />
<input type="hidden" name="user_name" value="<?php echo esc_attr($user_name) ?>" />
<input type="hidden" name="user_email" value="<?php echo esc_attr($user_email) ?>" />
<?php do_action( 'signup_hidden_fields' ); ?>
<?php show_blog_form($blogname, $blog_title, $errors); ?>
<p class="submit"><input type="submit" name="submit" class="submit" value="<?php esc_attr_e('Signup') ?>" /></p>
</form>
<?php
}

function validate_blog_signup() {
// Re-validate user info.
$result = wpmu_validate_user_signup($_POST['user_name'], $_POST['user_email']);
extract($result);

if ( $errors->get_error_code() ) {
signup_user($user_name, $user_email, $errors);
return false;
}

$result = wpmu_validate_blog_signup($_POST['blogname'], $_POST['blog_title']);
extract($result);

if ( $errors->get_error_code() ) {
signup_blog($user_name, $user_email, $blogname, $blog_title, $errors);
return false;
}

$public = (int) $_POST['blog_public'];
$meta = array ('lang_id' => 1, 'public' => $public);
$meta = apply_filters( 'add_signup_meta', $meta );

wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta);
confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta);
return true;
}

function confirm_blog_signup($domain, $path, $blog_title, $user_name = '', $user_email = '', $meta) {
?>
<h2><?php printf( __( 'Congratulations! Your new site, %s, is almost ready.' ), "<a href='http://{$domain}{$path}'>{$blog_title}</a>" ) ?></h2>

<p><?php _e( 'But, before you can start using your site, <strong>you must activate it</strong>.' ) ?></p>
<p><?php printf( __( 'Check your inbox at <strong>%s</strong> and click the link given.' ), $user_email) ?></p>
<p><?php _e( 'If you do not activate your site within two days, you will have to sign up again.' ); ?></p>
<h2><?php _e( 'Still waiting for your email?' ); ?></h2>
<p>
<?php _e( 'If you haven&#8217;t received your email yet, there are a number of things you can do:' ) ?>
<ul id="noemail-tips">
<li><p><strong><?php _e( 'Wait a little longer. Sometimes delivery of email can be delayed by processes outside of our control.' ) ?></strong></p></li>
<li><p><?php _e( 'Check the junk or spam folder of your email client. Sometime emails wind up there by mistake.' ) ?></p></li>
<li><?php printf( __( 'Have you entered your email correctly? You have entered %s, if it&#8217;s incorrect, you will not receive your email.' ), $user_email ) ?></li>
</ul>
</p>
<?php
do_action( 'signup_finished' );
}

// Main
$active_signup = get_site_option( 'registration' );
if ( !$active_signup )
$active_signup = 'all';

$active_signup = apply_filters( 'wpmu_active_signup', $active_signup ); // return "all", "none", "blog" or "user"

// Make the signup type translatable.
$i18n_signup['all'] = _x('all', 'Multisite active signup type');
$i18n_signup['none'] = _x('none', 'Multisite active signup type');
$i18n_signup['blog'] = _x('blog', 'Multisite active signup type');
$i18n_signup['user'] = _x('user', 'Multisite active signup type');

if ( is_super_admin() )
echo '<div class="mu_alert">' . sprintf( __( 'Greetings Site Administrator! You are currently allowing &#8220;%s&#8221; registrations. To change or disable registration go to your <a href="%s">Options page</a>.' ), $i18n_signup[$active_signup], esc_url( network_admin_url( 'settings.php' ) ) ) . '</div>';

$newblogname = isset($_GET['new']) ? strtolower(preg_replace('/^-|-$|[^-a-zA-Z0-9]/', '', $_GET['new'])) : null;

$current_user = wp_get_current_user();
if ( $active_signup == 'none' ) {
_e( 'Registration has been disabled.' );
} elseif ( $active_signup == 'blog' && !is_user_logged_in() ) {
if ( is_ssl() )
$proto = 'https://';
else
$proto = 'http://';
$login_url = site_url( 'wp-login.php?redirect_to=' . urlencode($proto . $_SERVER['HTTP_HOST'] . '/wp-signup.php' ));
echo sprintf( __( 'You must first <a href="%s">log in</a>, and then you can create a new site.' ), $login_url );
} else {
$stage = isset( $_POST['stage'] ) ? $_POST['stage'] : 'default';
switch ( $stage ) {
case 'validate-user-signup' :
if ( $active_signup == 'all' || $_POST[ 'signup_for' ] == 'blog' && $active_signup == 'blog' || $_POST[ 'signup_for' ] == 'user' && $active_signup == 'user' )
validate_user_signup();
else
_e( 'User registration has been disabled.' );
break;
case 'validate-blog-signup':
if ( $active_signup == 'all' || $active_signup == 'blog' )
validate_blog_signup();
else
_e( 'Site registration has been disabled.' );
break;
case 'gimmeanotherblog':
validate_another_blog_signup();
break;
case 'default':
default :
$user_email = isset( $_POST[ 'user_email' ] ) ? $_POST[ 'user_email' ] : '';
do_action( 'preprocess_signup_form' ); // populate the form from invites, elsewhere?
if ( is_user_logged_in() && ( $active_signup == 'all' || $active_signup == 'blog' ) )
signup_another_blog($newblogname);
elseif ( is_user_logged_in() == false && ( $active_signup == 'all' || $active_signup == 'user' ) )
signup_user( $newblogname, $user_email );
elseif ( is_user_logged_in() == false && ( $active_signup == 'blog' ) )
_e( 'Sorry, new registrations are not allowed at this time.' );
else
_e( 'You are logged in already. No need to register again!' );

if ( $newblogname ) {
$newblog = get_blogaddress_by_name( $newblogname );

if ( $active_signup == 'blog' || $active_signup == 'all' )
printf( __( '<p><em>The site you were looking for, <strong>%s</strong> does not exist, but you can create it now!</em></p>' ), $newblog );
else
printf( __( '<p><em>The site you were looking for, <strong>%s</strong>, does not exist.</em></p>' ), $newblog );
}
break;
}
}
?>
</div>
</div>
<?php do_action( 'after_signup_form' ); ?>

<?php get_footer(); ?>
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