366 lines
14 KiB
PHP
366 lines
14 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* User page callback file for the user module.
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*/
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/**
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* Menu callback; Retrieve a JSON object containing autocomplete suggestions for existing users.
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*/
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function user_autocomplete($string = '') {
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$matches = array();
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if ($string) {
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$result = db_query_range("SELECT name FROM {users} WHERE LOWER(name) LIKE LOWER(:name)", array(':name' => $string .'%'), 0, 10);
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while ($user = db_fetch_object($result)) {
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$matches[$user->name] = check_plain($user->name);
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}
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}
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drupal_json($matches);
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}
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/**
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* Form builder; Request a password reset.
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*
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* @ingroup forms
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* @see user_pass_validate()
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* @see user_pass_submit()
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*/
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function user_pass() {
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$form['name'] = array(
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'#type' => 'textfield',
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'#title' => t('Username or e-mail address'),
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'#size' => 60,
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'#maxlength' => max(USERNAME_MAX_LENGTH, EMAIL_MAX_LENGTH),
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'#required' => TRUE,
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);
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$form['submit'] = array('#type' => 'submit', '#value' => t('E-mail new password'));
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return $form;
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}
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function user_pass_validate($form, &$form_state) {
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$name = trim($form_state['values']['name']);
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// Try to load by email.
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$account = user_load(array('mail' => $name, 'status' => 1));
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if (!$account) {
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// No success, try to load by name.
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$account = user_load(array('name' => $name, 'status' => 1));
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}
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if (isset($account->uid)) {
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form_set_value(array('#parents' => array('account')), $account, $form_state);
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}
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else {
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form_set_error('name', t('Sorry, %name is not recognized as a user name or an e-mail address.', array('%name' => $name)));
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}
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}
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function user_pass_submit($form, &$form_state) {
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global $language;
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$account = $form_state['values']['account'];
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// Mail one time login URL and instructions using current language.
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_user_mail_notify('password_reset', $account, $language);
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watchdog('user', 'Password reset instructions mailed to %name at %email.', array('%name' => $account->name, '%email' => $account->mail));
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drupal_set_message(t('Further instructions have been sent to your e-mail address.'));
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$form_state['redirect'] = 'user';
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return;
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}
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/**
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* Menu callback; process one time login link and redirects to the user page on success.
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*/
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function user_pass_reset(&$form_state, $uid, $timestamp, $hashed_pass, $action = NULL) {
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global $user;
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// Check if the user is already logged in. The back button is often the culprit here.
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if ($user->uid) {
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drupal_set_message(t('You have already used this one-time login link. It is not necessary to use this link to login anymore. You are already logged in.'));
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drupal_goto();
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}
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else {
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// Time out, in seconds, until login URL expires. 24 hours = 86400 seconds.
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$timeout = 86400;
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$current = time();
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// Some redundant checks for extra security ?
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if ($timestamp < $current && $account = user_load(array('uid' => $uid, 'status' => 1)) ) {
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// No time out for first time login.
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if ($account->login && $current - $timestamp > $timeout) {
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drupal_set_message(t('You have tried to use a one-time login link that has expired. Please request a new one using the form below.'));
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drupal_goto('user/password');
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}
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else if ($account->uid && $timestamp > $account->login && $timestamp < $current && $hashed_pass == user_pass_rehash($account->pass, $timestamp, $account->login)) {
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// First stage is a confirmation form, then login
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if ($action == 'login') {
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watchdog('user', 'User %name used one-time login link at time %timestamp.', array('%name' => $account->name, '%timestamp' => $timestamp));
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// Set the new user.
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$user = $account;
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// user_authenticate_finalize() also updates the login timestamp of the
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// user, which invalidates further use of the one-time login link.
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user_authenticate_finalize($form_state['values']);
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drupal_set_message(t('You have just used your one-time login link. It is no longer necessary to use this link to login. Please change your password.'));
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drupal_goto('user/' . $user->uid . '/edit');
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}
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else {
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$form['message'] = array('#markup' => t('<p>This is a one-time login for %user_name and will expire on %expiration_date.</p><p>Click on this button to login to the site and change your password.</p>', array('%user_name' => $account->name, '%expiration_date' => format_date($timestamp + $timeout))));
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$form['help'] = array('#markup' => '<p>' . t('This login can be used only once.') . '</p>');
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$form['submit'] = array('#type' => 'submit', '#value' => t('Log in'));
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$form['#action'] = url("user/reset/$uid/$timestamp/$hashed_pass/login");
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return $form;
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}
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}
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else {
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drupal_set_message(t('You have tried to use a one-time login link which has either been used or is no longer valid. Please request a new one using the form below.'));
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drupal_goto('user/password');
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}
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}
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else {
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// Deny access, no more clues.
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// Everything will be in the watchdog's URL for the administrator to check.
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drupal_access_denied();
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}
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}
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}
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/**
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* Menu callback; logs the current user out, and redirects to the home page.
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*/
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function user_logout() {
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global $user;
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watchdog('user', 'Session closed for %name.', array('%name' => $user->name));
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// Destroy the current session:
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session_destroy();
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module_invoke_all('user', 'logout', NULL, $user);
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// Load the anonymous user
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$user = drupal_anonymous_user();
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drupal_goto();
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}
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/**
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* Menu callback; Displays a user or user profile page.
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*/
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function user_view($account) {
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drupal_set_title(check_plain($account->name));
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// Retrieve all profile fields and attach to $account->content.
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user_build_content($account);
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// To theme user profiles, copy modules/user/user_profile.tpl.php
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// to your theme directory, and edit it as instructed in that file's comments.
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return theme('user_profile', $account);
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}
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/**
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* Process variables for user-profile.tpl.php.
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*
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* The $variables array contains the following arguments:
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* - $account
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*
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* @see user-picture.tpl.php
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*/
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function template_preprocess_user_profile(&$variables) {
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$variables['profile'] = array();
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// Sort sections by weight
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uasort($variables['account']->content, 'element_sort');
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// Provide keyed variables so themers can print each section independantly.
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foreach (element_children($variables['account']->content) as $key) {
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$variables['profile'][$key] = drupal_render($variables['account']->content[$key]);
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}
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// Collect all profiles to make it easier to print all items at once.
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$variables['user_profile'] = implode($variables['profile']);
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}
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/**
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* Process variables for user-profile-item.tpl.php.
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*
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* The $variables array contains the following arguments:
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* - $element
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*
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* @see user-profile-item.tpl.php
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*/
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function template_preprocess_user_profile_item(&$variables) {
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$variables['title'] = $variables['element']['#title'];
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$variables['value'] = $variables['element']['#markup'];
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$variables['attributes'] = '';
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if (isset($variables['element']['#attributes'])) {
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$variables['attributes'] = drupal_attributes($variables['element']['#attributes']);
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}
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}
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/**
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* Process variables for user-profile-category.tpl.php.
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*
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* The $variables array contains the following arguments:
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* - $element
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*
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* @see user-profile-category.tpl.php
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*/
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function template_preprocess_user_profile_category(&$variables) {
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$variables['title'] = check_plain($variables['element']['#title']);
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$variables['profile_items'] = $variables['element']['#children'];
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$variables['attributes'] = '';
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if (isset($variables['element']['#attributes'])) {
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$variables['attributes'] = drupal_attributes($variables['element']['#attributes']);
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}
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}
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/**
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* Form builder; Present the form to edit a given user or profile category.
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*
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* @ingroup forms
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* @see user_edit_validate()
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* @see user_edit_submit()
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*/
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function user_edit($account, $category = 'account') {
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drupal_set_title(check_plain($account->name));
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return drupal_get_form('user_profile_form', $account, $category);
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}
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/**
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* Form builder; edit a user account or one of their profile categories.
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*
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* @ingroup forms
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* @see user_profile_form_validate()
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* @see user_profile_form_submit()
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* @see user_edit_delete_submit()
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*/
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function user_profile_form($form_state, $account, $category = 'account') {
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$edit = (empty($form_state['values'])) ? (array)$account : $form_state['values'];
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$form = _user_forms($edit, $account, $category);
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$form['_category'] = array('#type' => 'value', '#value' => $category);
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$form['_account'] = array('#type' => 'value', '#value' => $account);
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$form['submit'] = array('#type' => 'submit', '#value' => t('Save'), '#weight' => 30);
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if (user_access('administer users')) {
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$form['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#weight' => 31,
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'#submit' => array('user_edit_delete_submit'),
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);
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}
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$form['#attributes']['enctype'] = 'multipart/form-data';
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return $form;
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}
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/**
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* Validation function for the user account and profile editing form.
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*/
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function user_profile_form_validate($form, &$form_state) {
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user_module_invoke('validate', $form_state['values'], $form_state['values']['_account'], $form_state['values']['_category']);
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// Validate input to ensure that non-privileged users can't alter protected data.
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if ((!user_access('administer users') && array_intersect(array_keys($form_state['values']), array('uid', 'init', 'session'))) || (!user_access('administer permissions') && isset($form_state['values']['roles']))) {
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watchdog('security', 'Detected malicious attempt to alter protected user fields.', array(), WATCHDOG_WARNING);
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// set this to a value type field
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form_set_error('category', t('Detected malicious attempt to alter protected user fields.'));
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}
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}
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/**
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* Submit function for the user account and profile editing form.
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*/
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function user_profile_form_submit($form, &$form_state) {
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$account = $form_state['values']['_account'];
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$category = $form_state['values']['_category'];
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unset($form_state['values']['_account'], $form_state['values']['op'], $form_state['values']['submit'], $form_state['values']['delete'], $form_state['values']['form_token'], $form_state['values']['form_id'], $form_state['values']['_category'], $form_state['values']['form_build_id']);
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user_module_invoke('submit', $form_state['values'], $account, $category);
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user_save($account, $form_state['values'], $category);
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// Clear the page cache because pages can contain usernames and/or profile information:
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cache_clear_all();
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drupal_set_message(t('The changes have been saved.'));
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return;
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}
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/**
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* Submit function for the 'Delete' button on the user edit form.
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*/
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function user_edit_delete_submit($form, &$form_state) {
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$destination = '';
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if (isset($_REQUEST['destination'])) {
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$destination = drupal_get_destination();
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unset($_REQUEST['destination']);
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}
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// Note: We redirect from user/uid/edit to user/uid/delete to make the tabs disappear.
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$form_state['redirect'] = array("user/" . $form_state['values']['_account']->uid . "/delete", $destination);
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}
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/**
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* Form builder; confirm form for user deletion.
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*
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* @ingroup forms
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* @see user_confirm_delete_submit()
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*/
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function user_confirm_delete(&$form_state, $account) {
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$form['_account'] = array('#type' => 'value', '#value' => $account);
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return confirm_form($form,
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t('Are you sure you want to delete the account %name?', array('%name' => $account->name)),
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'user/' . $account->uid,
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t('All submissions made by this user will be attributed to the anonymous account. This action cannot be undone.'),
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t('Delete'), t('Cancel'));
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}
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/**
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* Submit function for the confirm form for user deletion.
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*/
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function user_confirm_delete_submit($form, &$form_state) {
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user_delete($form_state['values'], $form_state['values']['_account']->uid);
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drupal_set_message(t('%name has been deleted.', array('%name' => $form_state['values']['_account']->name)));
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if (!isset($_REQUEST['destination'])) {
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$form_state['redirect'] = 'admin/user/user';
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}
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}
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function user_edit_validate($form, &$form_state) {
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user_module_invoke('validate', $form_state['values'], $form_state['values']['_account'], $form_state['values']['_category']);
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// Validate input to ensure that non-privileged users can't alter protected data.
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if ((!user_access('administer users') && array_intersect(array_keys($form_state['values']), array('uid', 'init', 'session'))) || (!user_access('administer permissions') && isset($form_state['values']['roles']))) {
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watchdog('security', 'Detected malicious attempt to alter protected user fields.', array(), WATCHDOG_WARNING);
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// set this to a value type field
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form_set_error('category', t('Detected malicious attempt to alter protected user fields.'));
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}
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}
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function user_edit_submit($form, &$form_state) {
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$account = $form_state['values']['_account'];
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$category = $form_state['values']['_category'];
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unset($form_state['values']['_account'], $form_state['values']['op'], $form_state['values']['submit'], $form_state['values']['delete'], $form_state['values']['form_token'], $form_state['values']['form_id'], $form_state['values']['_category'], $form_state['values']['form_build_id']);
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user_module_invoke('submit', $form_state['values'], $account, $category);
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user_save($account, $form_state['values'], $category);
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// Clear the page cache because pages can contain usernames and/or profile information:
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cache_clear_all();
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drupal_set_message(t('The changes have been saved.'));
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return;
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}
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/**
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* Access callback for path /user.
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*
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* Displays user profile if user is logged in, or login form for anonymous
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* users.
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*/
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function user_page() {
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global $user;
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if ($user->uid) {
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menu_set_active_item('user/' . $user->uid);
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return menu_execute_active_handler();
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}
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else {
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return drupal_get_form('user_login');
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}
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}
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