--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/user/user.pages.inc	Tue Dec 23 14:28:28 2008 +0100
@@ -0,0 +1,365 @@
+<?php
+// $Id: user.pages.inc,v 1.11 2008/01/08 10:35:43 goba Exp $
+
+/**
+ * @file
+ * User page callback file for the user module.
+ */
+
+/**
+ * Menu callback; Retrieve a JSON object containing autocomplete suggestions for existing users.
+ */
+function user_autocomplete($string = '') {
+  $matches = array();
+  if ($string) {
+    $result = db_query_range("SELECT name FROM {users} WHERE LOWER(name) LIKE LOWER('%s%%')", $string, 0, 10);
+    while ($user = db_fetch_object($result)) {
+      $matches[$user->name] = check_plain($user->name);
+    }
+  }
+
+  drupal_json($matches);
+}
+
+/**
+ * Form builder; Request a password reset.
+ *
+ * @ingroup forms
+ * @see user_pass_validate()
+ * @see user_pass_submit()
+ */
+function user_pass() {
+  $form['name'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Username or e-mail address'),
+    '#size' => 60,
+    '#maxlength' => max(USERNAME_MAX_LENGTH, EMAIL_MAX_LENGTH),
+    '#required' => TRUE,
+  );
+  $form['submit'] = array('#type' => 'submit', '#value' => t('E-mail new password'));
+
+  return $form;
+}
+
+function user_pass_validate($form, &$form_state) {
+  $name = trim($form_state['values']['name']);
+  // Try to load by email.
+  $account = user_load(array('mail' => $name, 'status' => 1));
+  if (!$account) {
+    // No success, try to load by name.
+    $account = user_load(array('name' => $name, 'status' => 1));
+  }
+  if (isset($account->uid)) {
+    form_set_value(array('#parents' => array('account')), $account, $form_state);
+  }
+  else {
+    form_set_error('name', t('Sorry, %name is not recognized as a user name or an e-mail address.', array('%name' => $name)));
+  }
+}
+
+function user_pass_submit($form, &$form_state) {
+  global $language;
+
+  $account = $form_state['values']['account'];
+  // Mail one time login URL and instructions using current language.
+  _user_mail_notify('password_reset', $account, $language);
+  watchdog('user', 'Password reset instructions mailed to %name at %email.', array('%name' => $account->name, '%email' => $account->mail));
+  drupal_set_message(t('Further instructions have been sent to your e-mail address.'));
+
+  $form_state['redirect'] = 'user';
+  return;
+}
+
+/**
+ * Menu callback; process one time login link and redirects to the user page on success.
+ */
+function user_pass_reset(&$form_state, $uid, $timestamp, $hashed_pass, $action = NULL) {
+  global $user;
+
+  // Check if the user is already logged in. The back button is often the culprit here.
+  if ($user->uid) {
+    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.'));
+    drupal_goto();
+  }
+  else {
+    // Time out, in seconds, until login URL expires. 24 hours = 86400 seconds.
+    $timeout = 86400;
+    $current = time();
+    // Some redundant checks for extra security ?
+    if ($timestamp < $current && $account = user_load(array('uid' => $uid, 'status' => 1)) ) {
+      // No time out for first time login.
+      if ($account->login && $current - $timestamp > $timeout) {
+        drupal_set_message(t('You have tried to use a one-time login link that has expired. Please request a new one using the form below.'));
+        drupal_goto('user/password');
+      }
+      else if ($account->uid && $timestamp > $account->login && $timestamp < $current && $hashed_pass == user_pass_rehash($account->pass, $timestamp, $account->login)) {
+        // First stage is a confirmation form, then login
+        if ($action == 'login') {
+          watchdog('user', 'User %name used one-time login link at time %timestamp.', array('%name' => $account->name, '%timestamp' => $timestamp));
+          // Set the new user.
+          $user = $account;
+          // user_authenticate_finalize() also updates the login timestamp of the
+          // user, which invalidates further use of the one-time login link.
+          user_authenticate_finalize($form_state['values']);
+          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.'));
+          drupal_goto('user/'. $user->uid .'/edit');
+        }
+        else {
+          $form['message'] = array('#value' => 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))));
+          $form['help'] = array('#value' => '<p>'. t('This login can be used only once.') .'</p>');
+          $form['submit'] = array('#type' => 'submit', '#value' => t('Log in'));
+          $form['#action'] = url("user/reset/$uid/$timestamp/$hashed_pass/login");
+          return $form;
+        }
+      }
+      else {
+        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.'));
+        drupal_goto('user/password');
+      }
+    }
+    else {
+      // Deny access, no more clues.
+      // Everything will be in the watchdog's URL for the administrator to check.
+      drupal_access_denied();
+    }
+  }
+}
+
+/**
+ * Menu callback; logs the current user out, and redirects to the home page.
+ */
+function user_logout() {
+  global $user;
+
+  watchdog('user', 'Session closed for %name.', array('%name' => $user->name));
+
+  // Destroy the current session:
+  session_destroy();
+  module_invoke_all('user', 'logout', NULL, $user);
+
+  // Load the anonymous user
+  $user = drupal_anonymous_user();
+
+  drupal_goto();
+}
+
+/**
+ * Menu callback; Displays a user or user profile page.
+ */
+function user_view($account) {
+  drupal_set_title(check_plain($account->name));
+  // Retrieve all profile fields and attach to $account->content.
+  user_build_content($account);
+
+  // To theme user profiles, copy modules/user/user_profile.tpl.php
+  // to your theme directory, and edit it as instructed in that file's comments.
+  return theme('user_profile', $account);
+}
+
+/**
+ * Process variables for user-profile.tpl.php.
+ *
+ * The $variables array contains the following arguments:
+ * - $account
+ *
+ * @see user-picture.tpl.php
+ */
+function template_preprocess_user_profile(&$variables) {
+  $variables['profile'] = array();
+  // Sort sections by weight
+  uasort($variables['account']->content, 'element_sort');
+  // Provide keyed variables so themers can print each section independantly.
+  foreach (element_children($variables['account']->content) as $key) {
+    $variables['profile'][$key] = drupal_render($variables['account']->content[$key]);
+  }
+  // Collect all profiles to make it easier to print all items at once.
+  $variables['user_profile'] = implode($variables['profile']);
+}
+
+/**
+ * Process variables for user-profile-item.tpl.php.
+ *
+ * The $variables array contains the following arguments:
+ * - $element
+ *
+ * @see user-profile-item.tpl.php
+ */
+function template_preprocess_user_profile_item(&$variables) {
+  $variables['title'] = $variables['element']['#title'];
+  $variables['value'] = $variables['element']['#value'];
+  $variables['attributes'] = '';
+  if (isset($variables['element']['#attributes'])) {
+    $variables['attributes'] = drupal_attributes($variables['element']['#attributes']);
+  }
+}
+
+/**
+ * Process variables for user-profile-category.tpl.php.
+ *
+ * The $variables array contains the following arguments:
+ * - $element
+ *
+ * @see user-profile-category.tpl.php
+ */
+function template_preprocess_user_profile_category(&$variables) {
+  $variables['title'] = check_plain($variables['element']['#title']);
+  $variables['profile_items'] = $variables['element']['#children'];
+  $variables['attributes'] = '';
+  if (isset($variables['element']['#attributes'])) {
+    $variables['attributes'] = drupal_attributes($variables['element']['#attributes']);
+  }
+}
+
+/**
+ * Form builder; Present the form to edit a given user or profile category.
+ *
+ * @ingroup forms
+ * @see user_edit_validate()
+ * @see user_edit_submit()
+ */
+function user_edit($account, $category = 'account') {
+  drupal_set_title(check_plain($account->name));
+  return drupal_get_form('user_profile_form', $account, $category);
+}
+
+/**
+ * Form builder; edit a user account or one of their profile categories.
+ *
+ * @ingroup forms
+ * @see user_profile_form_validate()
+ * @see user_profile_form_submit()
+ * @see user_edit_delete_submit()
+ */
+function user_profile_form($form_state, $account, $category = 'account') {
+
+  $edit = (empty($form_state['values'])) ? (array)$account : $form_state['values'];
+
+  $form = _user_forms($edit, $account, $category);
+  $form['_category'] = array('#type' => 'value', '#value' => $category);
+  $form['_account'] = array('#type' => 'value', '#value' => $account);
+  $form['submit'] = array('#type' => 'submit', '#value' => t('Save'), '#weight' => 30);
+  if (user_access('administer users')) {
+    $form['delete'] = array(
+      '#type' => 'submit',
+      '#value' => t('Delete'),
+      '#weight' => 31,
+      '#submit' => array('user_edit_delete_submit'),
+    );
+  }
+  $form['#attributes']['enctype'] = 'multipart/form-data';
+
+  return $form;
+}
+
+/**
+ * Validation function for the user account and profile editing form.
+ */
+function user_profile_form_validate($form, &$form_state) {
+  user_module_invoke('validate', $form_state['values'], $form_state['values']['_account'], $form_state['values']['_category']);
+  // Validate input to ensure that non-privileged users can't alter protected data.
+  if ((!user_access('administer users') && array_intersect(array_keys($form_state['values']), array('uid', 'init', 'session'))) || (!user_access('administer permissions') && isset($form_state['values']['roles']))) {
+    watchdog('security', 'Detected malicious attempt to alter protected user fields.', array(), WATCHDOG_WARNING);
+    // set this to a value type field
+    form_set_error('category', t('Detected malicious attempt to alter protected user fields.'));
+  }
+}
+
+/**
+ * Submit function for the user account and profile editing form.
+ */
+function user_profile_form_submit($form, &$form_state) {
+  $account = $form_state['values']['_account'];
+  $category = $form_state['values']['_category'];
+  unset($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']);
+  user_module_invoke('submit', $form_state['values'], $account, $category);
+  user_save($account, $form_state['values'], $category);
+
+  // Clear the page cache because pages can contain usernames and/or profile information:
+  cache_clear_all();
+
+  drupal_set_message(t('The changes have been saved.'));
+  return;
+}
+
+/**
+ * Submit function for the 'Delete' button on the user edit form.
+ */
+function user_edit_delete_submit($form, &$form_state) {
+  $destination = '';
+  if (isset($_REQUEST['destination'])) {
+    $destination = drupal_get_destination();
+    unset($_REQUEST['destination']);
+  }
+  // Note: We redirect from user/uid/edit to user/uid/delete to make the tabs disappear.
+  $form_state['redirect'] = array("user/". $form_state['values']['_account']->uid ."/delete", $destination);
+}
+
+/**
+ * Form builder; confirm form for user deletion.
+ *
+ * @ingroup forms
+ * @see user_confirm_delete_submit()
+ */
+function user_confirm_delete(&$form_state, $account) {
+
+  $form['_account'] = array('#type' => 'value', '#value' => $account);
+
+  return confirm_form($form,
+    t('Are you sure you want to delete the account %name?', array('%name' => $account->name)),
+    'user/'. $account->uid,
+    t('All submissions made by this user will be attributed to the anonymous account. This action cannot be undone.'),
+    t('Delete'), t('Cancel'));
+}
+
+/**
+ * Submit function for the confirm form for user deletion.
+ */
+function user_confirm_delete_submit($form, &$form_state) {
+  user_delete($form_state['values'], $form_state['values']['_account']->uid);
+  drupal_set_message(t('%name has been deleted.', array('%name' => $form_state['values']['_account']->name)));
+
+  if (!isset($_REQUEST['destination'])) {
+    $form_state['redirect'] = 'admin/user/user';
+  }
+}
+
+function user_edit_validate($form, &$form_state) {
+  user_module_invoke('validate', $form_state['values'], $form_state['values']['_account'], $form_state['values']['_category']);
+  // Validate input to ensure that non-privileged users can't alter protected data.
+  if ((!user_access('administer users') && array_intersect(array_keys($form_state['values']), array('uid', 'init', 'session'))) || (!user_access('administer permissions') && isset($form_state['values']['roles']))) {
+    watchdog('security', 'Detected malicious attempt to alter protected user fields.', array(), WATCHDOG_WARNING);
+    // set this to a value type field
+    form_set_error('category', t('Detected malicious attempt to alter protected user fields.'));
+  }
+}
+
+function user_edit_submit($form, &$form_state) {
+  $account = $form_state['values']['_account'];
+  $category = $form_state['values']['_category'];
+  unset($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']);
+  user_module_invoke('submit', $form_state['values'], $account, $category);
+  user_save($account, $form_state['values'], $category);
+
+  // Clear the page cache because pages can contain usernames and/or profile information:
+  cache_clear_all();
+
+  drupal_set_message(t('The changes have been saved.'));
+  return;
+}
+
+/**
+ * Access callback for path /user.
+ *
+ * Displays user profile if user is logged in, or login form for anonymous
+ * users.
+ */
+function user_page() {
+  global $user;
+  if ($user->uid) {
+    menu_set_active_item('user/'. $user->uid);
+    return menu_execute_active_handler();
+  }
+  else {
+    return drupal_get_form('user_login');
+  }
+}