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<?php
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// $Id: taxonomy_access_admin.inc,v 1.14 2008/02/23 20:45:19 keve Exp $
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/**
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* @file
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* Administrative interface for taxonomy access control.
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*/
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/**
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* Cache roles
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*/
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function _user_roles() {
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static $roles;
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if (!is_array($roles)) {
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$roles = user_roles();
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}
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return $roles;
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}
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/**
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* Menu callback; presents the category permissions page of TAC (admin/user/taxonomy_access).
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*/
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function taxonomy_access_admin($op = NULL, $rid=NULL, $arg=NULL) {
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$roles = _user_roles();
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if (is_numeric($rid) AND isset($roles[$rid])) {
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switch ($op) {
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case 'edit':
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return drupal_get_form('taxonomy_access_admin_form', $rid);
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case 'delete':
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return drupal_get_form('taxonomy_access_admin_delete_role', $rid);
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}
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}
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else if (!isset($op) AND !isset($rid)) {
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return theme_taxonomy_access_admin();
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}
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//TODO something odd happens here
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else return drupal_not_found();
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}
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/**
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* Renders the main page of category permissions
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*/
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function theme_taxonomy_access_admin() {
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$roles = _user_roles();
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// Render role/permission overview:
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$header = array(t('Role'), array('data' => ' '));
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$rows = array();
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$result = db_query('SELECT rid FROM {term_access_defaults} WHERE vid=0 ');
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$active = array();
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while ($role = db_fetch_array($result)) {
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$active[$role['rid']] = TRUE;
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}
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foreach ($roles as $rid => $name) {
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$ops = array();
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if ($active[$rid]) {
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//only allow delete for "extra" roles
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if ($rid > 2) {
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$ops[] = l(t("disable"), "admin/user/taxonomy_access/delete/$rid");
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}
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$ops[] = l(t("edit"), "admin/user/taxonomy_access/edit/$rid");
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}
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else {
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$ops = array(l(t("enable"), "admin/user/taxonomy_access/edit/$rid"));
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}
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$rows[] = array($name, array('data' => implode(' | ', $ops), 'align' => 'right'));
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}
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return theme('table', $header, $rows);
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}
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function taxonomy_access_admin_delete_role($form_state, $rid) {
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if (is_numeric($rid) AND $rid > 2 AND db_fetch_array(db_query('SELECT rid FROM {term_access_defaults} WHERE vid=0 AND rid=%d', $rid))) {
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if ($_POST['confirm']) {
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// issue #167977 - klance
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$affected_nodes = _taxonomy_access_get_nodes_for_role($rid);
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db_query('DELETE FROM {term_access} WHERE rid=%d', $rid);
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db_query('DELETE FROM {term_access_defaults} WHERE rid=%d', $rid);
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// issue #167977 - klance
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//node_access_rebuild();
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_taxonomy_access_node_access_update($affected_nodes);
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drupal_set_message("All term access rules deleted for role $rid.");
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drupal_goto('admin/user/taxonomy_access');
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}
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else {
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return confirm_form($form,
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t('Are you sure you want to delete all grant rules for role %rid?', array('%rid' => $rid)),
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'admin/user/taxonomy_access', t('This action cannot be undone.'),
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t('Delete all'), t('Cancel'));
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}
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}
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else return drupal_not_found();
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}
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// TODO: clarify list VS create grants
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function taxonomy_access_admin_build_row($grants = NULL) {
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$form['#title'] = $title;
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$form['#tree'] = TRUE;
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foreach (array('view', 'update', 'delete') as $grant) {
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$form[$grant] = array(
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'#type' => 'radios',
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'#options' => array('1' => '', '0' => '', '2' => ''), //1: Allow, 0: Ignore, 2: Deny
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'#default_value' => is_string($grants['grant_'. $grant]) ? $grants['grant_'. $grant] : '0',
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'#required' => TRUE,
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);
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}
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foreach (array('create', 'list') as $grant) {
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$form[$grant] = array(
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'#type' => 'checkbox',
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'#default_value' => is_string($grants['grant_'. $grant]) ? $grants['grant_'. $grant] : '0',
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);
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}
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return $form;
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}
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/**
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* Form for managing grants by role.
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*/
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function taxonomy_access_admin_form($form_state, $rid = NULL) {
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// Fetch all default grants
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$result = db_query('SELECT * FROM {term_access_defaults} WHERE rid = %d', $rid);
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while ($row = db_fetch_array($result)) {
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$default_grants[$row['vid']] = $row;
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}
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// Fetch all grants
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$result = db_query('SELECT * FROM {term_access} WHERE rid = %d', $rid);
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while ($row = db_fetch_array($result)) {
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$grants[$row['tid']] = $row;
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}
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$form['rid'] = array('#type' => 'value', '#value' => $rid);
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$form['grants'] = $form['selected_terms'] = $form['selected_defaults'] = array('#tree' => TRUE);
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//Global default
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$form['vocabs'][0]['#title'] = 'Global';
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$form['grants'][0][0] = taxonomy_access_admin_build_row($default_grants[0]);
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$form['selected_defaults'][0] = array(
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'#type' => 'checkbox',
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'#disabled' => TRUE,
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'#title' => '<em>default<em>',
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'#description' => 'can\'t be disabled without disabling TAC for this role'
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);
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foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {
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$form['vocabs'][$vid]['#title'] = check_plain($vocabulary->name);
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if (isset($default_grants[$vid])) {
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$form['grants'][$vid][0] = taxonomy_access_admin_build_row($default_grants[$vid]);
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$form['selected_defaults'][$vid] = array(
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'#type' => 'checkbox',
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'#title' => '<em>default<em>',
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);
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}
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else {
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$add_items[$vocabulary->name]["default $vid"] = '*default*';
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}
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if ($tree = taxonomy_get_tree($vid)) {
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foreach ($tree as $term) {
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if (isset($grants[$term->tid])) {
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$form['grants'][$vid][$term->tid] = taxonomy_access_admin_build_row($grants[$term->tid]);
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$form['selected_terms'][$term->tid] = array(
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'#type' => 'checkbox',
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'#title' => str_repeat(' ', $term->depth) . check_plain($term->name),
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);
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}
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else {
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$add_items[$vocabulary->name]["term $term->tid"] = str_repeat('-', $term->depth) . check_plain($term->name);
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}
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}
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}
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}
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//New grant row
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if (isset($add_items)) {
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$form['new']['grants'] = taxonomy_access_admin_build_row();
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$form['new']['#tree'] = TRUE;
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$form['new']['item'] = array(
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'#type' => 'select',
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'#options' => $add_items,
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);
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$form['new']['add'] = array(
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'#type' => 'submit',
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'#value' => t('Add'),
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);
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}
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$form['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete selected'),
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save all'),
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);
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return $form;
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}
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/**
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* Renders the permission matrix user form for choosen user role.
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*/
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function theme_taxonomy_access_admin_form($form) {
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$roles = _user_roles();
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$header = array(
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array( 'data' => t('Category'), 'colspan' => 3),
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array( 'data' => t('View'), 'colspan' => 4),
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array( 'data' => t('Update'), 'colspan' => 4),
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array( 'data' => t('Delete'), 'colspan' => 4),
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array( 'data' => t('Create')),
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array( 'data' => t('List')),
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);
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$sub_header = array(
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' <strong>'. t('A') .'</strong>',
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' <strong>'. t('I') .'</strong>',
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' <strong>'. t('D') .'</strong>',
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' ',
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);
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$sub_header = array_merge(array(' '), $sub_header, $sub_header, $sub_header);
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$sub_header = array_pad($sub_header, 15, ' ');
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$node_grant_types = array('view', 'update', 'delete');
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$radios = array('1' => t('Allow'), '0' => t('Ignore'), '2' => t('Deny'));
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drupal_set_title(t('Grants for %role', array('%role' => $roles[$form['rid']['#value']])));
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$rows = array();
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foreach (array_keys($form['vocabs']) as $vid) {
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if (is_numeric($vid) AND isset($form['grants'][$vid])) {
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$row = $sub_header;
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$row[0] = array('data' => '<h3>'. check_plain($form['vocabs'][$vid]['#title']) .'</h3>', 'colspan' => 3);
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$rows[] = $row;
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foreach (array_keys($form['grants'][$vid]) as $tid) {
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if (is_numeric($tid)) {
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$select_key = $tid? 'selected_terms' : 'selected_defaults';
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$select_id = $tid? $tid : $vid;
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$row = array(
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array('data' => drupal_render($form[$select_key][$select_id]), 'colspan' => 3),
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);
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foreach ($node_grant_types as $grant) {
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foreach (array_keys($radios) as $key) {
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// I need this hack to display radio buttons horizontally (instead of standard form 'radios')
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$row[] = array('data' => drupal_render($form['grants'][$vid][$tid][$grant][$key]));
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}
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$row[] = ' ';
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}
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foreach (array('create', 'list') as $grant) {
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$row[] = array('data' => drupal_render($form['grants'][$vid][$tid][$grant]));
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}
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$rows[] = $row;
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}
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}
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}
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}
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if (isset($form['new'])) {
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$row = array(
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array('data' => drupal_render($form['new']['item']), 'colspan' => 2),
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drupal_render($form['new']['add'])
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);
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foreach ($node_grant_types as $grant) {
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foreach (array_keys($radios) as $key) {
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// I need this hack to display radio buttons horizontally (instead of standard form 'radios')
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$row[] = array('data' => drupal_render($form['new']['grants'][$grant][$key]));
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}
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$row[] = ' ';
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}
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foreach (array('create', 'list') as $grant) {
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$row[] = array('data' => drupal_render($form['new']['grants'][$grant]));
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}
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$rows[] = $row;
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$row = array();
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}
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$output .= theme('table', $header, $rows);
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$output .= drupal_render($form);
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return $output;
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}
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function taxonomy_access_admin_form_submit($form, &$form_state) {
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$values = $form_state['values'];
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switch ($values['op']) {
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case t('Delete selected'):
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if (is_array($form_values['selected_terms'])) {
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foreach($form_values['selected_terms'] as $tid => $enabled) {
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if ($enabled) {
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// issue #167977 - klance
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$affected_nodes = _taxonomy_access_get_nodes_for_term($tid);
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db_query('DELETE FROM {term_access} WHERE rid = %d AND tid = %d', $form_values['rid'], $tid);
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// issue #167977 - klance
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_taxonomy_access_node_access_update($affected_nodes);
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}
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}
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}
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if (is_array($form_values['selected_defaults'])) {
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foreach($form_values['selected_defaults'] as $vid => $enabled) {
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if ($enabled) {
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// issue #167977 - klance
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$affected_nodes = _taxonomy_access_get_nodes_for_vocabulary($vid, $form_values['rid']);
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db_query('DELETE FROM {term_access_defaults} WHERE rid = %d AND vid = %d', $form_values['rid'], $vid);
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// issue #167977 - klance
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_taxonomy_access_node_access_update($affected_nodes);
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}
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}
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}
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// issue #167977 - klance
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//node_access_rebuild();
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break;
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case t('Add'):
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$new = $values['new'];
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list($type, $id) = explode(' ', $new['item']);
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if ($type == 'term') {
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taxonomy_access_grant_update($id, $values['rid'], $new['grants']);
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}
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elseif ($type == 'default') {
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taxonomy_access_defaults_update($id, $values['rid'], $new['grants']);
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}
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// issue #167977 - klance
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//node_access_rebuild();
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break;
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case t('Save all'):
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foreach ($values['grants'] as $vid => $rows) {
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foreach ($rows as $tid => $grants) {
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if ($tid == 0) {
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taxonomy_access_defaults_update($vid, $values['rid'], $grants);
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}
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else {
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taxonomy_access_grant_update($tid, $values['rid'], $grants);
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}
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| 333 |
}
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}
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// issue #167977 - klance
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| 336 |
//node_access_rebuild();
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| 337 |
drupal_goto('admin/user/taxonomy_access');
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}
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| 339 |
}
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| 340 |
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| 341 |
/**
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| 342 |
* Updates permissions for a role for a term
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| 343 |
* @param $tid
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| 344 |
* The term to add the permission for.
|
| 345 |
* @param $rid
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| 346 |
* The role id to add the permission for.
|
| 347 |
* @param $grants
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| 348 |
* A hash of the grants in the form of $grants['perm'] = boolean
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| 349 |
* A value of 1 will grant the permission for this user and term.
|
| 350 |
**/
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| 351 |
function taxonomy_access_grant_update($tid, $rid = null, $grants = null) {
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| 352 |
if (!isset($tid) OR !is_numeric($rid)) {
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| 353 |
return FALSE;
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| 354 |
}
|
| 355 |
|
| 356 |
$ta_sql = "INSERT INTO {term_access} (tid";
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| 357 |
$ta_sql_values = " VALUES ($tid";
|
| 358 |
if (isset($rid)) {
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| 359 |
$ta_sql .= ",rid";
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| 360 |
$ta_sql_values .= ",$rid";
|
| 361 |
}
|
| 362 |
$sql = "";
|
| 363 |
if (isset($grants)) {
|
| 364 |
foreach ($grants as $perm => $value) {
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| 365 |
$sql .= ",grant_$perm";
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| 366 |
$ta_sql_values .= is_array($value) ? ",". $value[0] : ",$value";
|
| 367 |
}
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| 368 |
$sql .= ")";
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| 369 |
$ta_sql_values .= ")";
|
| 370 |
}
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| 371 |
else {
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| 372 |
$sql .= ")";
|
| 373 |
$ta_sql_values .= ")";
|
| 374 |
}
|
| 375 |
$ta_sql .= $sql . $ta_sql_values;
|
| 376 |
|
| 377 |
// issue #167977 - klance
|
| 378 |
$affected_nodes = _taxonomy_access_get_nodes_for_term($tid);
|
| 379 |
db_query("DELETE FROM {term_access} WHERE tid=%d AND rid=%d", $tid, ($rid));
|
| 380 |
db_query($ta_sql); // insert into term_access
|
| 381 |
// issue #167977 - klance
|
| 382 |
_taxonomy_access_node_access_update($affected_nodes);
|
| 383 |
}
|
| 384 |
|
| 385 |
/**
|
| 386 |
* Updates default permissions for a role for a vocabulary
|
| 387 |
* @param $vid
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| 388 |
* The vocab to add the permission for.
|
| 389 |
* @param $rid
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| 390 |
* The role id to add the permission to.
|
| 391 |
* @param $grants
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| 392 |
* A hash of the grants in the form of $grants['perm'] = boolean
|
| 393 |
* A value of 1 will grant the permission for this user and term.
|
| 394 |
**/
|
| 395 |
function taxonomy_access_defaults_update($vid, $rid = null, $grants = null) {
|
| 396 |
if (!isset($vid) OR !is_numeric($rid)) {
|
| 397 |
return FALSE;
|
| 398 |
}
|
| 399 |
|
| 400 |
$ta_sql = "INSERT INTO {term_access_defaults} (vid";
|
| 401 |
$ta_sql_values = " VALUES ($vid";
|
| 402 |
if (isset($rid)) {
|
| 403 |
$ta_sql .= ",rid";
|
| 404 |
$ta_sql_values .= ",$rid";
|
| 405 |
}
|
| 406 |
$sql = "";
|
| 407 |
if (isset($grants)) {
|
| 408 |
foreach ($grants as $perm => $value) {
|
| 409 |
$sql .= ",grant_$perm";
|
| 410 |
$ta_sql_values .= ",$value";
|
| 411 |
}
|
| 412 |
$sql .= ")";
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| 413 |
$ta_sql_values .= ")";
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| 414 |
}
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| 415 |
else {
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| 416 |
$sql .= ")";
|
| 417 |
$ta_sql_values .= ")";
|
| 418 |
}
|
| 419 |
$ta_sql .= $sql . $ta_sql_values;
|
| 420 |
|
| 421 |
// issue #167977 - klance
|
| 422 |
$affected_nodes = _taxonomy_access_get_nodes_for_vocabulary($vid, $rid);
|
| 423 |
db_query("DELETE FROM {term_access_defaults} WHERE vid=%d AND rid=%d", $vid, $rid);
|
| 424 |
db_query($ta_sql); // insert into term_access_defaults
|
| 425 |
// issue #167977 - klance
|
| 426 |
_taxonomy_access_node_access_update($affected_nodes);
|
| 427 |
}
|
| 428 |
|
| 429 |
/**
|
| 430 |
* Gets permissions for a given role
|
| 431 |
* @param $rid
|
| 432 |
* The role id to retrieve the permissions for.
|
| 433 |
* @return
|
| 434 |
* A two dimensional hash of the form $grants[tid][grant] where
|
| 435 |
* tid is the term id and
|
| 436 |
* grant is the permission (i.e. 'view','delete',ect.)
|
| 437 |
* this entry in the hash is true if permission is granted, false otherwise
|
| 438 |
**/
|
| 439 |
function taxonomy_access_get_grants($rid) {
|
| 440 |
if (!isset($rid)) {
|
| 441 |
return false;
|
| 442 |
}
|
| 443 |
if (isset($rid) && !is_numeric($rid)) {
|
| 444 |
$rid = db_result(db_query("SELECT rid FROM {role} WHERE name='%s'", $rid));
|
| 445 |
}
|
| 446 |
$result = db_query("SELECT * FROM {term_access} WHERE rid=%d", $rid);
|
| 447 |
$grants = array();
|
| 448 |
while ($grant = db_fetch_array($result)) {
|
| 449 |
$tid = $grant['tid'];
|
| 450 |
foreach ($grant as $key => $grant_val) {
|
| 451 |
if (strpos($key, 'grant_') !== FALSE) {
|
| 452 |
$grant_name = '';
|
| 453 |
$grant_name = str_replace('grant_', '', $key);
|
| 454 |
if (!isset($grants[$tid][$grant_name]) || !($grants[$tid][$grant_name])) {
|
| 455 |
// If there's conflicting DB rules, take the most lenient
|
| 456 |
$grants[$tid][$grant_name] = $grant_val;
|
| 457 |
}
|
| 458 |
}
|
| 459 |
}
|
| 460 |
}
|
| 461 |
return $grants;
|
| 462 |
}
|
| 463 |
/**
|
| 464 |
* Gets default permissions for a given role
|
| 465 |
* @param $rid
|
| 466 |
* The role id to retrieve the permissions for.
|
| 467 |
* @return
|
| 468 |
* A two dimensional hash of the form $grants[vid][grant] where
|
| 469 |
* vid is the vocab id and
|
| 470 |
* grant is the permission (i.e. 'view','delete',ect.)
|
| 471 |
* this entry in the hash is true if permission is granted, false otherwise
|
| 472 |
**/
|
| 473 |
function taxonomy_access_get_default_grants($rid) {
|
| 474 |
if (!is_numeric($rid)) {
|
| 475 |
return false;
|
| 476 |
}
|
| 477 |
$result = db_query("SELECT * FROM {term_access_defaults} WHERE rid=%d", $rid);
|
| 478 |
$grants = array();
|
| 479 |
while ($grant = db_fetch_array($result)) {
|
| 480 |
$vid = $grant['vid'];
|
| 481 |
foreach ($grant as $key => $grant_val) {
|
| 482 |
if (strpos($key, 'grant_') !== FALSE) {
|
| 483 |
$grant_name = '';
|
| 484 |
$grant_name = str_replace('grant_', '', $key);
|
| 485 |
if (!isset($grants[$vid][$grant_name]) || !($grants[$vid][$grant_name])) {
|
| 486 |
// If there's conflicting DB rules, take the most lenient
|
| 487 |
$grants[$vid][$grant_name] = $grant_val;
|
| 488 |
}
|
| 489 |
}
|
| 490 |
}
|
| 491 |
}
|
| 492 |
return $grants;
|
| 493 |
}
|
| 494 |
|
| 495 |
/*
|
| 496 |
* Issue #167977 - klance
|
| 497 |
* Gets node ids associated with a given term
|
| 498 |
* @param $tid
|
| 499 |
* The term id for which to retrieve associated nodes
|
| 500 |
* @return $nid
|
| 501 |
* An array of node ids associated with the given term
|
| 502 |
*/
|
| 503 |
function _taxonomy_access_get_nodes_for_term($tid) {
|
| 504 |
$nid = array();
|
| 505 |
$result = db_query("SELECT nid FROM {term_node} WHERE tid = '$tid'");
|
| 506 |
|
| 507 |
while($node = db_fetch_object($result)) {
|
| 508 |
$nid[] = $node->nid;
|
| 509 |
}
|
| 510 |
return $nid;
|
| 511 |
}
|
| 512 |
|
| 513 |
/*
|
| 514 |
* Issue #167977 - klance
|
| 515 |
* Gets node ids associated with a given vocabulary
|
| 516 |
* @param $vid
|
| 517 |
* The vocabulary id for which to retrieve associated term ids
|
| 518 |
* @params $rid
|
| 519 |
* The role id for which to retrieve associated term ids
|
| 520 |
* @return $nid
|
| 521 |
* An array of node ids associated with the given term
|
| 522 |
*/
|
| 523 |
function _taxonomy_access_get_nodes_for_vocabulary($vid, $rid = NULL) {
|
| 524 |
$nid = array();
|
| 525 |
$query = "SELECT n.nid FROM {term_node} n
|
| 526 |
LEFT JOIN {term_data} d ON n.tid = d.tid
|
| 527 |
LEFT JOIN {term_access} a ON n.tid = a.tid
|
| 528 |
WHERE d.vid = '$vid'";
|
| 529 |
if(!is_null($rid)) {
|
| 530 |
$query .= " AND a.rid = '$rid'";
|
| 531 |
}
|
| 532 |
$result = db_query($query);
|
| 533 |
|
| 534 |
while($node = db_fetch_object($result)) {
|
| 535 |
$nid[] = $node->nid;
|
| 536 |
}
|
| 537 |
return $nid;
|
| 538 |
}
|
| 539 |
|
| 540 |
/*
|
| 541 |
* Issue #167977 - klance
|
| 542 |
* Gets node ids associated with the given role
|
| 543 |
* @param $rid
|
| 544 |
* The role id for which to retrieve term ids that are
|
| 545 |
* access-controlled for this role
|
| 546 |
* @return $nid
|
| 547 |
* An array of node ids associated with the given term
|
| 548 |
*/
|
| 549 |
function _taxonomy_access_get_nodes_for_role($rid) {
|
| 550 |
$nid = array();
|
| 551 |
$result = db_query("
|
| 552 |
SELECT n.nid FROM {term_node} n LEFT JOIN {term_access} a ON n.tid = a.tid WHERE a.rid = '$rid'
|
| 553 |
");
|
| 554 |
|
| 555 |
while($node = db_fetch_object($result)) {
|
| 556 |
$nid[] = $node->nid;
|
| 557 |
}
|
| 558 |
return $nid;
|
| 559 |
}
|
| 560 |
|
| 561 |
/*
|
| 562 |
* Issue #167977
|
| 563 |
* Gets node ids associated with the given term
|
| 564 |
* @return $nid
|
| 565 |
* An array of node ids for which to acquire access permissions
|
| 566 |
*/
|
| 567 |
function _taxonomy_access_node_access_update($nid) {
|
| 568 |
foreach($nid as $node) {
|
| 569 |
$loaded_node = node_load($node, NULL, TRUE);
|
| 570 |
if (!empty($loaded_node)) {
|
| 571 |
node_access_acquire_grants($loaded_node);
|
| 572 |
}
|
| 573 |
}
|
| 574 |
return TRUE;
|
| 575 |
}
|
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