WordPress Version: 4.3
/**
* Activate a signup.
*
* Hook to 'wpmu_activate_user' or 'wpmu_activate_blog' for events
* that should happen only when users or sites are self-created (since
* those actions are not called when users and sites are created
* by a Super Admin).
*
* @since MU
*
* @global wpdb $wpdb
*
* @param string $key The activation key provided to the user.
* @return array|WP_Error An array containing information about the activated user and/or blog
*/
function wpmu_activate_signup($key)
{
global $wpdb;
$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);
}
}
$meta = maybe_unserialize($signup->meta);
$password = wp_generate_password(12, false);
$user_id = username_exists($signup->user_login);
if (!$user_id) {
$user_id = wpmu_create_user($signup->user_login, $password, $signup->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);
/**
* Fires immediately after a new user is activated.
*
* @since MU
*
* @param int $user_id User ID.
* @param int $password User password.
* @param array $meta Signup meta data.
*/
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);
/**
* Fires immediately after a site is activated.
*
* @since MU
*
* @param int $blog_id Blog ID.
* @param int $user_id User ID.
* @param int $password User password.
* @param string $signup_title Site title.
* @param array $meta Signup meta data.
*/
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);
}