<?php

/**

 * WordPress Signup Page

 *

 * Handles the user registration and site creation process for multisite installations.

 *

 * @package WordPress

 */

/** Sets up the WordPress Environment. */

require __DIR__ . '/wp-load.php';

add_filter( 'wp_robots', 'wp_robots_no_robots' );

require __DIR__ . '/wp-blog-header.php';

nocache_headers();

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();

}

/**

 * Prints signup_header via wp_head.

 *

 * @since MU (3.0.0)

 */

function do_signup_header() {

	/**

	 * Fires within the head section of the site sign-up screen.

	 *

	 * @since 3.0.0

	 */

	do_action( 'signup_header' );

}

add_action( 'wp_head', 'do_signup_header' );

if ( ! is_multisite() ) {

	wp_redirect( wp_registration_url() );

	die();

}

if ( ! is_main_site() ) {

	wp_redirect( network_site_url( 'wp-signup.php' ) );

	die();

}

// Fix for page title.

$wp_query->is_404 = false;

/**

 * Fires before the Site Sign-up page is loaded.

 *

 * @since 4.4.0

 */

do_action( 'before_signup_header' );

/**

 * Prints styles for front-end Multisite Sign-up pages.

 *

 * @since MU (3.0.0)

 */

function wpmu_signup_stylesheet() {

	?>

	<style type="text/css">

		.mu_register { width: 90%; margin: 0 auto; }

		.mu_register form { margin-top: 2em; }

		.mu_register fieldset,

			.mu_register legend { margin: 0; padding: 0; border: none; }

		.mu_register .error { padding: 10px; color: #333; background: #ffebe8; border: 1px solid #c00; }

		.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; box-sizing: border-box; }

		.mu_register #site-language { display: block; }

		.mu_register .prefix_address,

			.mu_register .suffix_address { font-size: 18px; display: inline-block; direction: ltr; }

		.mu_register label,

			.mu_register legend,

			.mu_register .label-heading { font-weight: 600; font-size: 15px; display: block; margin: 10px 0; }

		.mu_register legend + p,

			.mu_register input + p { margin-top: 0; }

		.mu_register label.checkbox { display: inline; }

		.mu_register .mu_alert { font-weight: 600; padding: 10px; color: #333; background: #ffffe0; border: 1px solid #e6db55; }

		.mu_register .mu_alert a { color: inherit; text-decoration: underline; }

		.mu_register .signup-options .wp-signup-radio-button { display: block; }

		.mu_register .privacy-intro .wp-signup-radio-button { margin-right: 0.5em; }

		.rtl .mu_register .wp-signup-blogname { direction: ltr; text-align: right; }

	</style>

	<?php

}

add_action( 'wp_head', 'wpmu_signup_stylesheet' );

get_header( 'wp-signup' );

/**

 * Fires before the site Sign-up form.

 *

 * @since 3.0.0

 */

do_action( 'before_signup_form' );

?>

<div id="signup-content" class="widecolumn">

<div class="mu_register wp-signup-container" role="main">

<?php

/**

 * Generates and displays the Sign-up and Create Site forms.

 *

 * @since MU (3.0.0)

 *

 * @param string          $blogname   The new site name.

 * @param string          $blog_title The new site title.

 * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.

 */

function show_blog_form( $blogname = '', $blog_title = '', $errors = '' ) {

	if ( ! is_wp_error( $errors ) ) {

		$errors = new WP_Error();

	}

	$current_network = get_network();

	// Site name.

	if ( ! is_subdomain_install() ) {

		echo '<label for="blogname">' . __( 'Site Name (subdirectory only):' ) . '</label>';

	} else {

		echo '<label for="blogname">' . __( 'Site Domain (subdomain only):' ) . '</label>';

	}

	$errmsg_blogname      = $errors->get_error_message( 'blogname' );

	$errmsg_blogname_aria = '';

	if ( $errmsg_blogname ) {

		$errmsg_blogname_aria = 'wp-signup-blogname-error ';

		echo '<p class="error" id="wp-signup-blogname-error">' . $errmsg_blogname . '</p>';

	}

	if ( ! is_subdomain_install() ) {

		echo '<div class="wp-signup-blogname"><span class="prefix_address" id="prefix-address">' . $current_network->domain . $current_network->path . '</span><input name="blogname" type="text" id="blogname" value="' . esc_attr( $blogname ) . '" maxlength="60" autocomplete="off" required="required" aria-describedby="' . $errmsg_blogname_aria . 'prefix-address" /></div>';

	} else {

		$site_domain = preg_replace( '|^www\.|', '', $current_network->domain );

		echo '<div class="wp-signup-blogname"><input name="blogname" type="text" id="blogname" value="' . esc_attr( $blogname ) . '" maxlength="60" autocomplete="off" required="required" aria-describedby="' . $errmsg_blogname_aria . 'suffix-address" /><span class="suffix_address" id="suffix-address">.' . esc_html( $site_domain ) . '</span></div>';

	}

	if ( ! is_user_logged_in() ) {

		if ( ! is_subdomain_install() ) {

			$site = $current_network->domain . $current_network->path . __( 'sitename' );

		} else {

			$site = __( 'domain' ) . '.' . $site_domain . $current_network->path;

		}

		printf(

			'<p>(<strong>%s</strong>) %s</p>',

			/* translators: %s: Site address. */

			sprintf( __( 'Your address will be %s.' ), $site ),

			__( 'Must be at least 4 characters, letters and numbers only. It cannot be changed, so choose carefully!' )

		);

	}

	// Site Title.

	?>

	<label for="blog_title"><?php _e( 'Site Title:' ); ?></label>

	<?php

	$errmsg_blog_title      = $errors->get_error_message( 'blog_title' );

	$errmsg_blog_title_aria = '';

	if ( $errmsg_blog_title ) {

		$errmsg_blog_title_aria = ' aria-describedby="wp-signup-blog-title-error"';

		echo '<p class="error" id="wp-signup-blog-title-error">' . $errmsg_blog_title . '</p>';

	}

	echo '<input name="blog_title" type="text" id="blog_title" value="' . esc_attr( $blog_title ) . '" required="required" autocomplete="off"' . $errmsg_blog_title_aria . ' />';

	?>

	<?php

	// Site Language.

	$languages = signup_get_available_languages();

	if ( ! empty( $languages ) ) :

		?>

		<p>

			<label for="site-language"><?php _e( 'Site Language:' ); ?></label>

			<?php

			// Network default.

			$lang = get_site_option( 'WPLANG' );

			if ( isset( $_POST['WPLANG'] ) ) {

				$lang = $_POST['WPLANG'];

			}

			// Use US English if the default isn't available.

			if ( ! in_array( $lang, $languages, true ) ) {

				$lang = '';

			}

			wp_dropdown_languages(

				array(

					'name'                        => 'WPLANG',

					'id'                          => 'site-language',

					'selected'                    => $lang,

					'languages'                   => $languages,

					'show_available_translations' => false,

				)

			);

			?>

		</p>

		<?php

		endif; // Languages.

		$blog_public_on_checked  = '';

		$blog_public_off_checked = '';

	if ( isset( $_POST['blog_public'] ) && '0' === $_POST['blog_public'] ) {

		$blog_public_off_checked = 'checked="checked"';

	} else {

		$blog_public_on_checked = 'checked="checked"';

	}

	?>

	<div id="privacy">

		<fieldset class="privacy-intro">

			<legend>

				<span class="label-heading"><?php _e( 'Privacy:' ); ?></span>

				<?php _e( 'Allow search engines to index this site.' ); ?>

			</legend>

			<p class="wp-signup-radio-buttons">

				<span class="wp-signup-radio-button">

					<input type="radio" id="blog_public_on" name="blog_public" value="1" <?php echo $blog_public_on_checked; ?> />

					<label class="checkbox" for="blog_public_on"><?php _e( 'Yes' ); ?></label>

				</span>

				<span class="wp-signup-radio-button">

					<input type="radio" id="blog_public_off" name="blog_public" value="0" <?php echo $blog_public_off_checked; ?> />

					<label class="checkbox" for="blog_public_off"><?php _e( 'No' ); ?></label>

				</span>

			</p>

		</fieldset>

	</div>

	<?php

	/**

	 * Fires after the site sign-up form.

	 *

	 * @since 3.0.0

	 *

	 * @param WP_Error $errors A WP_Error object possibly containing 'blogname' or 'blog_title' errors.

	 */

	do_action( 'signup_blogform', $errors );

}

/**

 * Validates the new site sign-up.

 *

 * @since MU (3.0.0)

 *

 * @return array Contains the new site data and error messages.

 *               See wpmu_validate_blog_signup() for details.

 */

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 );

}

/**

 * Displays the fields for the new user account registration form.

 *

 * @since MU (3.0.0)

 *

 * @param string          $user_name  The entered username.

 * @param string          $user_email The entered email address.

 * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.

 */

function show_user_form( $user_name = '', $user_email = '', $errors = '' ) {

	if ( ! is_wp_error( $errors ) ) {

		$errors = new WP_Error();

	}

	// Username.

	echo '<label for="user_name">' . __( 'Username:' ) . '</label>';

	$errmsg_username      = $errors->get_error_message( 'user_name' );

	$errmsg_username_aria = '';

	if ( $errmsg_username ) {

		$errmsg_username_aria = 'wp-signup-username-error ';

		echo '<p class="error" id="wp-signup-username-error">' . $errmsg_username . '</p>';

	}

	?>

	<input name="user_name" type="text" id="user_name" value="<?php echo esc_attr( $user_name ); ?>" autocapitalize="none" autocorrect="off" maxlength="60" autocomplete="username" required="required" aria-describedby="<?php echo $errmsg_username_aria; ?>wp-signup-username-description" />

	<p id="wp-signup-username-description"><?php _e( '(Must be at least 4 characters, lowercase letters and numbers only.)' ); ?></p>

	<?php

	// Email address.

	echo '<label for="user_email">' . __( 'Email&nbsp;Address:' ) . '</label>';

	$errmsg_email      = $errors->get_error_message( 'user_email' );

	$errmsg_email_aria = '';

	if ( $errmsg_email ) {

		$errmsg_email_aria = 'wp-signup-email-error ';

		echo '<p class="error" id="wp-signup-email-error">' . $errmsg_email . '</p>';

	}

	?>

	<input name="user_email" type="email" id="user_email" value="<?php echo esc_attr( $user_email ); ?>" maxlength="200" autocomplete="email" required="required" aria-describedby="<?php echo $errmsg_email_aria; ?>wp-signup-email-description" />

	<p id="wp-signup-email-description"><?php _e( 'Your registration email is sent to this address. (Double-check your email address before continuing.)' ); ?></p>

	<?php

	// Extra fields.

	$errmsg_generic = $errors->get_error_message( 'generic' );

	if ( $errmsg_generic ) {

		echo '<p class="error" id="wp-signup-generic-error">' . $errmsg_generic . '</p>';

	}

	/**

	 * Fires at the end of the new user account registration form.

	 *

	 * @since 3.0.0

	 *

	 * @param WP_Error $errors A WP_Error object containing 'user_name' or 'user_email' errors.

	 */

	do_action( 'signup_extra_fields', $errors );

}

/**

 * Validates user sign-up name and email.

 *

 * @since MU (3.0.0)

 *

 * @return array Contains username, email, and error messages.

 *               See wpmu_validate_user_signup() for details.

 */

function validate_user_form() {

	return wpmu_validate_user_signup( $_POST['user_name'], $_POST['user_email'] );

}

/**

 * Shows a form for returning users to sign up for another site.

 *

 * @since MU (3.0.0)

 *

 * @param string          $blogname   The new site name

 * @param string          $blog_title The new site title.

 * @param WP_Error|string $errors     A WP_Error object containing existing errors. Defaults to empty string.

 */

function signup_another_blog( $blogname = '', $blog_title = '', $errors = '' ) {

	$current_user = wp_get_current_user();

	if ( ! is_wp_error( $errors ) ) {

		$errors = new WP_Error();

	}

	$signup_defaults = array(

		'blogname'   => $blogname,

		'blog_title' => $blog_title,

		'errors'     => $errors,

	);

	/**

	 * Filters the default site sign-up variables.

	 *

	 * @since 3.0.0

	 *

	 * @param array $signup_defaults {

	 *     An array of default site sign-up variables.

	 *

	 *     @type string   $blogname   The site blogname.

	 *     @type string   $blog_title The site title.

	 *     @type WP_Error $errors     A WP_Error object possibly containing 'blogname' or 'blog_title' errors.

	 * }

	 */

	$filtered_results = apply_filters( 'signup_another_blog_init', $signup_defaults );

	$blogname   = $filtered_results['blogname'];

	$blog_title = $filtered_results['blog_title'];

	$errors     = $filtered_results['errors'];

	/* translators: %s: Network title. */

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

	if ( $errors->has_errors() ) {

		echo '<p>' . __( 'There was a problem, please correct the form below and try again.' ) . '</p>';

	}

	?>

	<p>

		<?php

		printf(

			/* translators: %s: Current user's display name. */

			__( '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 are 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

		/**

		 * Fires when hidden sign-up form fields output when creating another site or user.

		 *

		 * @since MU (3.0.0)

		 *

		 * @param string $context A string describing the steps of the sign-up process. The value can be

		 *                        'create-another-site', 'validate-user', or 'validate-site'.

		 */

		do_action( 'signup_hidden_fields', 'create-another-site' );

		?>