wpmu_activate_signup

Source code

function wpmu_activate_signup($key) {

	global $wpdb, $current_site;



	$signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key) );



	if ( empty( $signup ) )

		return new WP_Error( 'invalid_key', __( 'Invalid activation key.' ) );



	if ( $signup->active ) {

		if ( empty( $signup->domain ) )

			return new WP_Error( 'already_active', __( 'The user is already active.' ), $signup );

		else

			return new WP_Error( 'already_active', __( 'The site is already active.' ), $signup );

	}



	$meta = unserialize($signup->meta);

	$user_login = $wpdb->escape($signup->user_login);

	$user_email = $wpdb->escape($signup->user_email);

	$password = wp_generate_password( 12, false );



	$user_id = username_exists($user_login);



	if ( ! $user_id )

		$user_id = wpmu_create_user($user_login, $password, $user_email);

	else

		$user_already_exists = true;



	if ( ! $user_id )

		return new WP_Error('create_user', __('Could not create user'), $signup);



	$now = current_time('mysql', true);



	if ( empty($signup->domain) ) {

		$wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );



		if ( isset( $user_already_exists ) )

			return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup);



		wpmu_welcome_user_notification($user_id, $password, $meta);



		add_new_user_to_blog( $user_id, $user_email, $meta );

		do_action('wpmu_activate_user', $user_id, $password, $meta);

		return array('user_id' => $user_id, 'password' => $password, 'meta' => $meta);

	}



	$blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, $wpdb->siteid );



	// TODO: What to do if we create a user but cannot create a blog?

	if ( is_wp_error($blog_id) ) {

		// If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and

		// setting the activation flag.  Let's just set the active flag and instruct the user to reset their password.

		if ( 'blog_taken' == $blog_id->get_error_code() ) {

			$blog_id->add_data( $signup );

			$wpdb->update( $wpdb->signups, array( 'active' => 1, 'activated' => $now ), array( 'activation_key' => $key ) );

		}

		return $blog_id;

	}



	$wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );

	wpmu_welcome_notification($blog_id, $user_id, $password, $signup->title, $meta);

	do_action('wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta);



	return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta);

}