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+<?php
+
+/**
+ * @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) {
+ $result = db_select('users')->fields('users', array('name'))->condition('name', db_like($string) . '%', 'LIKE')->range(0, 10)->execute();
+ foreach ($result as $user) {
+ $matches[$user->name] = check_plain($user->name);
+ }
+ }
+
+ drupal_json_output($matches);
+}
+
+/**
+ * Form builder; Request a password reset.
+ *
+ * @ingroup forms
+ * @see user_pass_validate()
+ * @see user_pass_submit()
+ */
+function user_pass() {
+ global $user;
+
+ $form['name'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Username or e-mail address'),
+ '#size' => 60,
+ '#maxlength' => max(USERNAME_MAX_LENGTH, EMAIL_MAX_LENGTH),
+ '#required' => TRUE,
+ '#default_value' => isset($_GET['name']) ? $_GET['name'] : '',
+ );
+ // Allow logged in users to request this also.
+ if ($user->uid > 0) {
+ $form['name']['#type'] = 'value';
+ $form['name']['#value'] = $user->mail;
+ $form['mail'] = array(
+ '#prefix' => '<p>',
+ '#markup' => t('Password reset instructions will be mailed to %email. You must log out to use the password reset link in the e-mail.', array('%email' => $user->mail)),
+ '#suffix' => '</p>',
+ );
+ }
+ $form['actions'] = array('#type' => 'actions');
+ $form['actions']['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.
+ $users = user_load_multiple(array(), array('mail' => $name, 'status' => '1'));
+ $account = reset($users);
+ if (!$account) {
+ // No success, try to load by name.
+ $users = user_load_multiple(array(), array('name' => $name, 'status' => '1'));
+ $account = reset($users);
+ }
+ 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.
+ $mail = _user_mail_notify('password_reset', $account, $language);
+ if (!empty($mail)) {
+ 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, &$form_state, $uid, $timestamp, $hashed_pass, $action = NULL) {
+ global $user;
+
+ // When processing the one-time login link, we have to make sure that a user
+ // isn't already logged in.
+ if ($user->uid) {
+ // The existing user is already logged in.
+ if ($user->uid == $uid) {
+ drupal_set_message(t('You are logged in as %user. <a href="!user_edit">Change your password.</a>', array('%user' => $user->name, '!user_edit' => url("user/$user->uid/edit"))));
+ }
+ // A different user is already logged in on the computer.
+ else {
+ $reset_link_account = user_load($uid);
+ if (!empty($reset_link_account)) {
+ drupal_set_message(t('Another user (%other_user) is already logged into the site on this computer, but you tried to use a one-time link for user %resetting_user. Please <a href="!logout">logout</a> and try using the link again.',
+ array('%other_user' => $user->name, '%resetting_user' => $reset_link_account->name, '!logout' => url('user/logout'))));
+ } else {
+ // Invalid one-time link specifies an unknown user.
+ drupal_set_message(t('The one-time login link you clicked is invalid.'));
+ }
+ }
+ drupal_goto();
+ }
+ else {
+ // Time out, in seconds, until login URL expires. Defaults to 24 hours =
+ // 86400 seconds.
+ $timeout = variable_get('user_password_reset_timeout', 86400);
+ $current = REQUEST_TIME;
+ // Some redundant checks for extra security ?
+ $users = user_load_multiple(array($uid), array('status' => '1'));
+ if ($timestamp <= $current && $account = reset($users)) {
+ // No time out for first time login.
+ if ($account->login && $current - $timestamp > $timeout) {
+ drupal_set_message(t('You have tried to use a one-time login link that has expired. Please request a new one using the form below.'));
+ drupal_goto('user/password');
+ }
+ elseif ($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') {
+ // Set the new user.
+ $user = $account;
+ // user_login_finalize() also updates the login timestamp of the
+ // user, which invalidates further use of the one-time login link.
+ user_login_finalize();
+ watchdog('user', 'User %name used one-time login link at time %timestamp.', array('%name' => $account->name, '%timestamp' => $timestamp));
+ drupal_set_message(t('You have just used your one-time login link. It is no longer necessary to use this link to log in. Please change your password.'));
+ // Let the user's password be changed without the current password check.
+ $token = drupal_random_key();
+ $_SESSION['pass_reset_' . $user->uid] = $token;
+ drupal_goto('user/' . $user->uid . '/edit', array('query' => array('pass-reset-token' => $token)));
+ }
+ else {
+ $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 log in to the site and change your password.</p>', array('%user_name' => $account->name, '%expiration_date' => format_date($timestamp + $timeout))));
+ $form['help'] = array('#markup' => '<p>' . t('This login can be used only once.') . '</p>');
+ $form['actions'] = array('#type' => 'actions');
+ $form['actions']['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 that 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();
+ drupal_exit();
+ }
+ }
+}
+
+/**
+ * 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));
+
+ module_invoke_all('user_logout', $user);
+
+ // Destroy the current session, and reset $user to the anonymous user.
+ session_destroy();
+
+ drupal_goto();
+}
+
+/**
+ * Process variables for user-profile.tpl.php.
+ *
+ * The $variables array contains the following arguments:
+ * - $account
+ *
+ * @see user-profile.tpl.php
+ */
+function template_preprocess_user_profile(&$variables) {
+ $account = $variables['elements']['#account'];
+
+ // Helpful $user_profile variable for templates.
+ foreach (element_children($variables['elements']) as $key) {
+ $variables['user_profile'][$key] = $variables['elements'][$key];
+ }
+
+ // Preprocess fields.
+ field_attach_preprocess('user', $account, $variables['elements'], $variables);
+}
+
+/**
+ * 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']['#markup'];
+ $variables['attributes'] = '';
+ if (isset($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; edit a user account or one of their profile categories.
+ *
+ * @ingroup forms
+ * @see user_account_form()
+ * @see user_account_form_validate()
+ * @see user_profile_form_validate()
+ * @see user_profile_form_submit()
+ * @see user_cancel_confirm_form_submit()
+ */
+function user_profile_form($form, &$form_state, $account, $category = 'account') {
+ global $user;
+
+ // During initial form build, add the entity to the form state for use during
+ // form building and processing. During a rebuild, use what is in the form
+ // state.
+ if (!isset($form_state['user'])) {
+ $form_state['user'] = $account;
+ }
+ else {
+ $account = $form_state['user'];
+ }
+
+ // @todo Legacy support. Modules are encouraged to access the entity using
+ // $form_state. Remove in Drupal 8.
+ $form['#user'] = $account;
+ $form['#user_category'] = $category;
+
+ if ($category == 'account') {
+ user_account_form($form, $form_state);
+ // Attach field widgets.
+ $langcode = entity_language('user', $account);
+ field_attach_form('user', $account, $form, $form_state, $langcode);
+ }
+
+ $form['actions'] = array('#type' => 'actions');
+ $form['actions']['submit'] = array(
+ '#type' => 'submit',
+ '#value' => t('Save'),
+ );
+ if ($category == 'account') {
+ $form['actions']['cancel'] = array(
+ '#type' => 'submit',
+ '#value' => t('Cancel account'),
+ '#submit' => array('user_edit_cancel_submit'),
+ '#access' => $account->uid > 1 && (($account->uid == $user->uid && user_access('cancel account')) || user_access('administer users')),
+ );
+ }
+
+ $form['#validate'][] = 'user_profile_form_validate';
+ // Add the final user profile form submit handler.
+ $form['#submit'][] = 'user_profile_form_submit';
+
+ return $form;
+}
+
+/**
+ * Validation function for the user account and profile editing form.
+ */
+function user_profile_form_validate($form, &$form_state) {
+ entity_form_field_validate('user', $form, $form_state);
+}
+
+/**
+ * Submit function for the user account and profile editing form.
+ */
+function user_profile_form_submit($form, &$form_state) {
+ $account = $form_state['user'];
+ $category = $form['#user_category'];
+ // Remove unneeded values.
+ form_state_values_clean($form_state);
+
+ // Before updating the account entity, keep an unchanged copy for use with
+ // user_save() later. This is necessary for modules implementing the user
+ // hooks to be able to react on changes by comparing the values of $account
+ // and $edit.
+ $account_unchanged = clone $account;
+
+ entity_form_submit_build_entity('user', $account, $form, $form_state);
+
+ // Populate $edit with the properties of $account, which have been edited on
+ // this form by taking over all values, which appear in the form values too.
+ $edit = array_intersect_key((array) $account, $form_state['values']);
+
+ user_save($account_unchanged, $edit, $category);
+ $form_state['values']['uid'] = $account->uid;
+
+ if ($category == 'account' && !empty($edit['pass'])) {
+ // Remove the password reset tag since a new password was saved.
+ unset($_SESSION['pass_reset_'. $account->uid]);
+ }
+ // Clear the page cache because pages can contain usernames and/or profile information:
+ cache_clear_all();
+
+ drupal_set_message(t('The changes have been saved.'));
+}
+
+/**
+ * Submit function for the 'Cancel account' button on the user edit form.
+ */
+function user_edit_cancel_submit($form, &$form_state) {
+ $destination = array();
+ if (isset($_GET['destination'])) {
+ $destination = drupal_get_destination();
+ unset($_GET['destination']);
+ }
+ // Note: We redirect from user/uid/edit to user/uid/cancel to make the tabs disappear.
+ $form_state['redirect'] = array("user/" . $form['#user']->uid . "/cancel", array('query' => $destination));
+}
+
+/**
+ * Form builder; confirm form for cancelling user account.
+ *
+ * @ingroup forms
+ * @see user_edit_cancel_submit()
+ */
+function user_cancel_confirm_form($form, &$form_state, $account) {
+ global $user;
+
+ $form['_account'] = array('#type' => 'value', '#value' => $account);
+
+ // Display account cancellation method selection, if allowed.
+ $default_method = variable_get('user_cancel_method', 'user_cancel_block');
+ $admin_access = user_access('administer users');
+ $can_select_method = $admin_access || user_access('select account cancellation method');
+ $form['user_cancel_method'] = array(
+ '#type' => 'item',
+ '#title' => ($account->uid == $user->uid ? t('When cancelling your account') : t('When cancelling the account')),
+ '#access' => $can_select_method,
+ );
+ $form['user_cancel_method'] += user_cancel_methods();
+
+ // Allow user administrators to skip the account cancellation confirmation
+ // mail (by default), as long as they do not attempt to cancel their own
+ // account.
+ $override_access = $admin_access && ($account->uid != $user->uid);
+ $form['user_cancel_confirm'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Require e-mail confirmation to cancel account.'),
+ '#default_value' => ($override_access ? FALSE : TRUE),
+ '#access' => $override_access,
+ '#description' => t('When enabled, the user must confirm the account cancellation via e-mail.'),
+ );
+ // Also allow to send account canceled notification mail, if enabled.
+ $default_notify = variable_get('user_mail_status_canceled_notify', FALSE);
+ $form['user_cancel_notify'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Notify user when account is canceled.'),
+ '#default_value' => ($override_access ? FALSE : $default_notify),
+ '#access' => $override_access && $default_notify,
+ '#description' => t('When enabled, the user will receive an e-mail notification after the account has been cancelled.'),
+ );
+
+ // Prepare confirmation form page title and description.
+ if ($account->uid == $user->uid) {
+ $question = t('Are you sure you want to cancel your account?');
+ }
+ else {
+ $question = t('Are you sure you want to cancel the account %name?', array('%name' => $account->name));
+ }
+ $description = '';
+ if ($can_select_method) {
+ $description = t('Select the method to cancel the account above.');
+ foreach (element_children($form['user_cancel_method']) as $element) {
+ unset($form['user_cancel_method'][$element]['#description']);
+ }
+ }
+ else {
+ // The radio button #description is used as description for the confirmation
+ // form.
+ foreach (element_children($form['user_cancel_method']) as $element) {
+ if ($form['user_cancel_method'][$element]['#default_value'] == $form['user_cancel_method'][$element]['#return_value']) {
+ $description = $form['user_cancel_method'][$element]['#description'];
+ }
+ unset($form['user_cancel_method'][$element]['#description']);
+ }
+ }
+
+ // Always provide entity id in the same form key as in the entity edit form.
+ $form['uid'] = array('#type' => 'value', '#value' => $account->uid);
+ return confirm_form($form,
+ $question,
+ 'user/' . $account->uid,
+ $description . ' ' . t('This action cannot be undone.'),
+ t('Cancel account'), t('Cancel'));
+}
+
+/**
+ * Submit handler for the account cancellation confirm form.
+ *
+ * @see user_cancel_confirm_form()
+ * @see user_multiple_cancel_confirm_submit()
+ */
+function user_cancel_confirm_form_submit($form, &$form_state) {
+ global $user;
+ $account = $form_state['values']['_account'];
+
+ // Cancel account immediately, if the current user has administrative
+ // privileges, no confirmation mail shall be sent, and the user does not
+ // attempt to cancel the own account.
+ if (user_access('administer users') && empty($form_state['values']['user_cancel_confirm']) && $account->uid != $user->uid) {
+ user_cancel($form_state['values'], $account->uid, $form_state['values']['user_cancel_method']);
+
+ $form_state['redirect'] = 'admin/people';
+ }
+ else {
+ // Store cancelling method and whether to notify the user in $account for
+ // user_cancel_confirm().
+ $edit = array(
+ 'user_cancel_method' => $form_state['values']['user_cancel_method'],
+ 'user_cancel_notify' => $form_state['values']['user_cancel_notify'],
+ );
+ $account = user_save($account, $edit);
+ _user_mail_notify('cancel_confirm', $account);
+ drupal_set_message(t('A confirmation request to cancel your account has been sent to your e-mail address.'));
+ watchdog('user', 'Sent account cancellation request to %name %email.', array('%name' => $account->name, '%email' => '<' . $account->mail . '>'), WATCHDOG_NOTICE);
+
+ $form_state['redirect'] = "user/$account->uid";
+ }
+}
+
+/**
+ * Helper function to return available account cancellation methods.
+ *
+ * See documentation of hook_user_cancel_methods_alter().
+ *
+ * @return
+ * An array containing all account cancellation methods as form elements.
+ *
+ * @see hook_user_cancel_methods_alter()
+ * @see user_admin_settings()
+ * @see user_cancel_confirm_form()
+ * @see user_multiple_cancel_confirm()
+ */
+function user_cancel_methods() {
+ $methods = array(
+ 'user_cancel_block' => array(
+ 'title' => t('Disable the account and keep its content.'),
+ 'description' => t('Your account will be blocked and you will no longer be able to log in. All of your content will remain attributed to your user name.'),
+ ),
+ 'user_cancel_block_unpublish' => array(
+ 'title' => t('Disable the account and unpublish its content.'),
+ 'description' => t('Your account will be blocked and you will no longer be able to log in. All of your content will be hidden from everyone but administrators.'),
+ ),
+ 'user_cancel_reassign' => array(
+ 'title' => t('Delete the account and make its content belong to the %anonymous-name user.', array('%anonymous-name' => variable_get('anonymous', t('Anonymous')))),
+ 'description' => t('Your account will be removed and all account information deleted. All of your content will be assigned to the %anonymous-name user.', array('%anonymous-name' => variable_get('anonymous', t('Anonymous')))),
+ ),
+ 'user_cancel_delete' => array(
+ 'title' => t('Delete the account and its content.'),
+ 'description' => t('Your account will be removed and all account information deleted. All of your content will also be deleted.'),
+ 'access' => user_access('administer users'),
+ ),
+ );
+ // Allow modules to customize account cancellation methods.
+ drupal_alter('user_cancel_methods', $methods);
+
+ // Turn all methods into real form elements.
+ $default_method = variable_get('user_cancel_method', 'user_cancel_block');
+ foreach ($methods as $name => $method) {
+ $form[$name] = array(
+ '#type' => 'radio',
+ '#title' => $method['title'],
+ '#description' => (isset($method['description']) ? $method['description'] : NULL),
+ '#return_value' => $name,
+ '#default_value' => $default_method,
+ '#parents' => array('user_cancel_method'),
+ );
+ }
+ return $form;
+}
+
+/**
+ * Menu callback; Cancel a user account via e-mail confirmation link.
+ *
+ * @see user_cancel_confirm_form()
+ * @see user_cancel_url()
+ */
+function user_cancel_confirm($account, $timestamp = 0, $hashed_pass = '') {
+ // Time out in seconds until cancel URL expires; 24 hours = 86400 seconds.
+ $timeout = 86400;
+ $current = REQUEST_TIME;
+
+ // Basic validation of arguments.
+ if (isset($account->data['user_cancel_method']) && !empty($timestamp) && !empty($hashed_pass)) {
+ // Validate expiration and hashed password/login.
+ if ($timestamp <= $current && $current - $timestamp < $timeout && $account->uid && $timestamp >= $account->login && $hashed_pass == user_pass_rehash($account->pass, $timestamp, $account->login)) {
+ $edit = array(
+ 'user_cancel_notify' => isset($account->data['user_cancel_notify']) ? $account->data['user_cancel_notify'] : variable_get('user_mail_status_canceled_notify', FALSE),
+ );
+ user_cancel($edit, $account->uid, $account->data['user_cancel_method']);
+ // Since user_cancel() is not invoked via Form API, batch processing needs
+ // to be invoked manually and should redirect to the front page after
+ // completion.
+ batch_process('');
+ }
+ else {
+ drupal_set_message(t('You have tried to use an account cancellation link that has expired. Please request a new one using the form below.'));
+ drupal_goto("user/$account->uid/cancel");
+ }
+ }
+ return MENU_ACCESS_DENIED;
+}
+
+/**
+ * Page callback: Displays the user page.
+ *
+ * Displays user profile if user is logged in, or login form for anonymous
+ * users.
+ *
+ * @return
+ * A render array for either a user profile or a login form.
+ *
+ * @see user_view_page()
+ * @see user_login()
+ */
+function user_page() {
+ global $user;
+ if ($user->uid) {
+ menu_set_active_item('user/' . $user->uid);
+ return menu_execute_active_handler(NULL, FALSE);
+ }
+ else {
+ return drupal_get_form('user_login');
+ }
+}