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<?php
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// $Id: acl.admin.inc,v 1.2 2009/01/27 01:21:22 salvis Exp $
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/**
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* @file
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* Implementations of administration functions for the acl module.
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*/
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/**
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* Implementation of acl_edit_form().
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*/
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function _acl_edit_form($acl_id, $label = NULL, $new_acl = FALSE) {
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$users = array();
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if (!$new_acl) {
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// Ensure the ACL in question even exists.
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if (!$acl_name = db_result(db_query("SELECT name FROM {acl} WHERE acl_id = %d", $acl_id))) {
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return array();
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}
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$result = db_query("SELECT u.uid, u.name FROM {users} u LEFT JOIN {acl_user} aclu ON aclu.uid = u.uid WHERE acl_id = %d", $acl_id);
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while ($user = db_fetch_object($result)) {
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$users[$user->uid] = $user->name;
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}
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}
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if (!isset($label)) {
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$label = (empty($acl_name) ? $acl_id : $acl_name);
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}
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$form = array(
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'#type' => 'fieldset',
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'#collapsible' => TRUE,
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'#title' => $label,
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'#tree' => TRUE,
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);
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$form['acl_id'] = array('#type' => 'value', '#value' => $acl_id);
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$form['deletions'] = array('#type' => 'checkboxes', '#options' => array()); // placeholder
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$form['delete_button'] = array(
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'#type' => 'button',
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'#name' => 'acl_'. $acl_id,
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'#value' => t('Remove Checked'),
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'#submit' => FALSE,
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);
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$form['add'] = array(
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'#type' => 'textfield',
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'#title' => t('Add user'),
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'#maxlength' => 60,
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'#size' => 40,
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'#autocomplete_path' => 'user/autocomplete',
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);
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$form['add_button'] = array(
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'#type' => 'button',
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'#name' => 'acl_'. $acl_id,
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'#value' => t('Add User'),
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'#submit' => FALSE,
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);
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$form['user_list'] = array(
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'#type' => 'hidden',
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'#default_value' => serialize($users),
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);
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$form['#after_build'] = array('_acl_edit_form_after_build');
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return $form;
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}
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/**
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* Process a form that had our buttons on it.
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*/
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function _acl_edit_form_after_build($form, $form_state) {
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// We can't use the form values because it's the entire structure
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// and we have no clue where our values actually are. That's
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// ok tho cause #value still works for us.
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$user_list = unserialize($form['user_list']['#value']);
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$button_name = 'acl_'. $form['acl_id']['#value'];
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if (isset($form['#post'][$button_name]) && $form['#post'][$button_name] == $form['delete_button']['#value']) {
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$deletions = $form['deletions']['#value'];
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foreach ($deletions as $uid) {
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unset($user_list[$uid]);
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unset($form['deletions']['#value'][$uid]);
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}
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}
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elseif (isset($form['#post'][$button_name]) && $form['#post'][$button_name] == $form['add_button']['#value']) {
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$user = db_fetch_object(db_query("SELECT uid, name FROM {users} WHERE name = '%s'", $form['add']['#value']));
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if (!$user || !$user->uid) {
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form_error($form['add'], t("Invalid user specified."));
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}
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else {
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$user_list[$user->uid] = $user->name;
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$form['add']['#value'] = NULL;
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}
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}
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if (count($user_list) != 0) {
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$form['deletions']['#type'] = 'checkboxes';
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$form['deletions']['#title'] = t("Current users");
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$form['deletions']['#options'] = $user_list;
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$form['deletions']['#value'] = array(); // don't carry value through.
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$form['deletions'] = form_builder(!empty($form['#post']) ? $form['#post']['form_id'] : 'acl_form', $form['deletions'], $form_state);
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}
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else {
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$form['delete_button']['#type'] = 'value';
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}
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$form['user_list']['#value'] = serialize($user_list);
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return $form;
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}
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/**
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* Write the results of a form.
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*
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* The module that embedded our form must call this function!
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*/
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function acl_save_form($form, $priority = NULL) {
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$users = unserialize($form['user_list']);
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db_query('DELETE FROM {acl_user} WHERE acl_id = %d', $form['acl_id']);
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foreach ($users as $uid => $name) {
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db_query('INSERT INTO {acl_user} (acl_id, uid) VALUES (%d, %d)', $form['acl_id'], $uid);
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}
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if (isset($priority)) {
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db_query('UPDATE {acl_node} SET priority = %d where acl_id = %d', $priority, $form['acl_id']);
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}
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}
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