+/**
+ * Handles sending password retrieval email to user.
+ *
+ * @uses $wpdb WordPress Database object
+ *
+ * @return bool|WP_Error True: when finish. WP_Error on error
+ */
+function retrieve_password() {
+ global $wpdb;
+
+ $errors = new WP_Error();
+
+ if ( empty( $_POST['user_login'] ) && empty( $_POST['user_email'] ) )
+ $errors->add('empty_username', __('<strong>ERROR</strong>: Enter a username or e-mail address.'));
+
+ if ( strpos($_POST['user_login'], '@') ) {
+ $user_data = get_user_by_email(trim($_POST['user_login']));
+ if ( empty($user_data) )
+ $errors->add('invalid_email', __('<strong>ERROR</strong>: There is no user registered with that email address.'));
+ } else {
+ $login = trim($_POST['user_login']);
+ $user_data = get_userdatabylogin($login);
+ }
+
+ do_action('lostpassword_post');
+
+ if ( $errors->get_error_code() )
+ return $errors;
+
+ if ( !$user_data ) {
+ $errors->add('invalidcombo', __('<strong>ERROR</strong>: Invalid username or e-mail.'));
+ return $errors;
+ }
+
+ // redefining user_login ensures we return the right case in the email
+ $user_login = $user_data->user_login;
+ $user_email = $user_data->user_email;
+
+ do_action('retreive_password', $user_login); // Misspelled and deprecated
+ do_action('retrieve_password', $user_login);
+
+ $allow = apply_filters('allow_password_reset', true, $user_data->ID);
+
+ if ( ! $allow )
+ return new WP_Error('no_password_reset', __('Password reset is not allowed for this user'));
+ else if ( is_wp_error($allow) )
+ return $allow;
+
+ $key = $wpdb->get_var($wpdb->prepare("SELECT user_activation_key FROM $wpdb->users WHERE user_login = %s", $user_login));
+ if ( empty($key) ) {
+ // Generate something random for a key...
+ $key = wp_generate_password(20, false);
+ do_action('retrieve_password_key', $user_login, $key);
+ // Now insert the new md5 key into the db
+ $wpdb->query($wpdb->prepare("UPDATE $wpdb->users SET user_activation_key = %s WHERE user_login = %s", $key, $user_login));
+ }
+ $message = __('Someone has asked to reset the password for the following site and username.') . "\r\n\r\n";
+ $message .= get_option('siteurl') . "\r\n\r\n";
+ $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
+ $message .= __('To reset your password visit the following address, otherwise just ignore this email and nothing will happen.') . "\r\n\r\n";
+ $message .= site_url("wp-login.php?action=rp&key=$key", 'login') . "\r\n";
+
+ if ( !wp_mail($user_email, sprintf(__('[%s] Password Reset'), get_option('blogname')), $message) )
+ die('<p>' . __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') . '</p>');
+
+ return true;
+}
+
+/**
+ * Handles resetting the user's password.
+ *
+ * @uses $wpdb WordPress Database object
+ *
+ * @param string $key Hash to validate sending user's password
+ * @return bool|WP_Error
+ */
+function reset_password($key) {
+ global $wpdb;
+
+ $key = preg_replace('/[^a-z0-9]/i', '', $key);
+
+ if ( empty( $key ) )
+ return new WP_Error('invalid_key', __('Invalid key'));
+
+ $user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_activation_key = %s", $key));
+ if ( empty( $user ) )
+ return new WP_Error('invalid_key', __('Invalid key'));
+
+ do_action('password_reset', $user);
+
+ // Generate something random for a password...
+ $new_pass = wp_generate_password();
+ wp_set_password($new_pass, $user->ID);
+ $message = sprintf(__('Username: %s'), $user->user_login) . "\r\n";
+ $message .= sprintf(__('Password: %s'), $new_pass) . "\r\n";
+ $message .= site_url('wp-login.php', 'login') . "\r\n";
+
+ if ( !wp_mail($user->user_email, sprintf(__('[%s] Your new password'), get_option('blogname')), $message) )
+ die('<p>' . __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') . '</p>');
+
+ wp_password_change_notification($user);
+
+ return true;
+}
+
+/**
+ * Handles registering a new user.
+ *
+ * @param string $user_login User's username for logging in
+ * @param string $user_email User's email address to send password and add
+ * @return int|WP_Error Either user's ID or error on failure.
+ */
+function register_new_user($user_login, $user_email) {
+ $errors = new WP_Error();
+
+ $user_login = sanitize_user( $user_login );
+ $user_email = apply_filters( 'user_registration_email', $user_email );
+
+ // Check the username
+ if ( $user_login == '' )
+ $errors->add('empty_username', __('<strong>ERROR</strong>: Please enter a username.'));
+ elseif ( !validate_username( $user_login ) ) {
+ $errors->add('invalid_username', __('<strong>ERROR</strong>: This username is invalid. Please enter a valid username.'));
+ $user_login = '';
+ } elseif ( username_exists( $user_login ) )
+ $errors->add('username_exists', __('<strong>ERROR</strong>: This username is already registered, please choose another one.'));
+
+ // Check the e-mail address
+ if ($user_email == '') {
+ $errors->add('empty_email', __('<strong>ERROR</strong>: Please type your e-mail address.'));
+ } elseif ( !is_email( $user_email ) ) {
+ $errors->add('invalid_email', __('<strong>ERROR</strong>: The email address isn’t correct.'));
+ $user_email = '';
+ } elseif ( email_exists( $user_email ) )
+ $errors->add('email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'));
+
+ do_action('register_post', $user_login, $user_email, $errors);
+
+ $errors = apply_filters( 'registration_errors', $errors );
+
+ if ( $errors->get_error_code() )
+ return $errors;
+
+ $user_pass = wp_generate_password();
+ $user_id = wp_create_user( $user_login, $user_pass, $user_email );
+ if ( !$user_id ) {
+ $errors->add('registerfail', sprintf(__('<strong>ERROR</strong>: Couldn’t register you... please contact the <a href="mailto:%s">webmaster</a> !'), get_option('admin_email')));
+ return $errors;
+ }
+
+ wp_new_user_notification($user_id, $user_pass);
+
+ return $user_id;
+}
+
+//
+// Main
+//
+
+$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';
+$errors = new WP_Error();
+
+if ( isset($_GET['key']) )
+ $action = 'resetpass';
+
+nocache_headers();
+
+header('Content-Type: '.get_bloginfo('html_type').'; charset='.get_bloginfo('charset'));
+
+if ( defined('RELOCATE') ) { // Move flag is set
+ if ( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != $_SERVER['PHP_SELF']) )
+ $_SERVER['PHP_SELF'] = str_replace( $_SERVER['PATH_INFO'], '', $_SERVER['PHP_SELF'] );
+
+ $schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://';
+ if ( dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) != get_option('siteurl') )
+ update_option('siteurl', dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) );
+}
+
+//Set a cookie now to see if they are supported by the browser.
+setcookie(TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN);
+if ( SITECOOKIEPATH != COOKIEPATH )
+ setcookie(TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN);