/[drupal]/contributions/modules/nodeaccess/nodeaccess.module
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revision 1.4.2.7.2.9.2.1, Mon Jul 21 23:28:46 2008 UTC revision 1.4.2.7.2.9.2.2, Sun Mar 8 00:00:45 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: nodeaccess.module,v 1.4.2.7.2.10 2008/07/21 21:51:50 mantyla Exp $  // $Id: nodeaccess.module,v 1.4.2.7.2.9.2.1 2008/07/21 23:28:46 mantyla Exp $
3    
4  /**  /**
5   * Implementation of hook_help().   * Implementation of hook_help().
# Line 169  function nodeaccess_admin_form(&$form_st Line 169  function nodeaccess_admin_form(&$form_st
169        $form['nodeaccess'][$type]['roles'][$id]['grant_update'] = array('#type' => 'checkbox', '#default_value' => $opts[$id]['grant_update']);        $form['nodeaccess'][$type]['roles'][$id]['grant_update'] = array('#type' => 'checkbox', '#default_value' => $opts[$id]['grant_update']);
170        $form['nodeaccess'][$type]['roles'][$id]['grant_delete'] = array('#type' => 'checkbox', '#default_value' => $opts[$id]['grant_delete']);        $form['nodeaccess'][$type]['roles'][$id]['grant_delete'] = array('#type' => 'checkbox', '#default_value' => $opts[$id]['grant_delete']);
171      }      }
172    
173        // Set the default permissions if userreference exists and is enabled on
174        // the content type.
175        if (module_exists('userreference')) {
176          $type_info = content_types($type);
177          $fields = $type_info['fields'];
178    
179          $userreference_perms = variable_get('nodeaccess_' . $type . '_userreference', array());
180          foreach ($fields as $field) {
181            if ($field['type'] == 'userreference') {
182              $form['nodeaccess'][$type]['userreference'][$field['field_name']]['name'] = array('#value' => $field['widget']['label']);
183              $form['nodeaccess'][$type]['userreference'][$field['field_name']]['enabled'] = array('#type' => 'checkbox', '#default_value' => $userreference_perms[$field['field_name']]['enabled']);
184              $form['nodeaccess'][$type]['userreference'][$field['field_name']]['grant_view'] = array('#type' => 'checkbox', '#default_value' => $userreference_perms[$field['field_name']]['grant_view']);
185              $form['nodeaccess'][$type]['userreference'][$field['field_name']]['grant_update'] = array('#type' => 'checkbox', '#default_value' => $userreference_perms[$field['field_name']]['grant_update']);
186              $form['nodeaccess'][$type]['userreference'][$field['field_name']]['grant_delete'] = array('#type' => 'checkbox', '#default_value' => $userreference_perms[$field['field_name']]['grant_delete']);
187            }
188          }
189        }
190    }    }
191    $form['submit'] = array('#type' => 'submit', '#value' => t('Save Grants'));    $form['submit'] = array('#type' => 'submit', '#value' => t('Save Grants'));
192    return $form;    return $form;
# Line 219  function nodeaccess_admin_form_submit($f Line 237  function nodeaccess_admin_form_submit($f
237        $allowed_types[$type] = 0;        $allowed_types[$type] = 0;
238      }      }
239      $author_prefs[$type] = $form_values[$type]['author'];      $author_prefs[$type] = $form_values[$type]['author'];
240        // Also save userreference default permissions if enabled.
241        if (module_exists('userreference') && isset($form_values[$type]['userreference'])) {
242          $userreference_grants = array();
243          foreach ($form_values[$type]['userreference'] as $userreference_field => $val) {
244            $userreference_grants[$userreference_field] = array('gid' => 'nodeaccess_uid', 'enabled' => $val['enabled'], 'grant_view' => $val['grant_view'], 'grant_update' => $val['grant_update'], 'grant_delete' => $val['grant_delete']);
245          }
246          variable_set('nodeaccess_' . $type . '_userreference', $userreference_grants);
247        }
248    }    }
249    variable_set('nodeaccess_authors', $author_prefs);    variable_set('nodeaccess_authors', $author_prefs);
250    // Save allowed node types.    // Save allowed node types.
# Line 267  function theme_nodeaccess_admin_form_typ Line 293  function theme_nodeaccess_admin_form_typ
293    
294    $output .= theme('table', $header, array($row));    $output .= theme('table', $header, array($row));
295    $output .= '<small>' . t('The settings selected for the node author will define what permissions the node author has. This cannot be changed on individual node grants.') . '</small>';    $output .= '<small>' . t('The settings selected for the node author will define what permissions the node author has. This cannot be changed on individual node grants.') . '</small>';
296    
297      if (module_exists('userreference') && isset($form['userreference'])) {
298        $userreference_fields = element_children($form['userreference']);
299        $header = array(t('User Reference Field'), t('Enable this field'), t('View'), t('Edit'), t('Delete'));
300        $rows = array();
301        foreach ($userreference_fields as $userreference_field) {
302          $row = array();
303          $row[] = drupal_render($form['userreference'][$userreference_field]['name']);
304          $row[] = drupal_render($form['userreference'][$userreference_field]['enabled']);
305          $row[] = drupal_render($form['userreference'][$userreference_field]['grant_view']);
306          $row[] = drupal_render($form['userreference'][$userreference_field]['grant_update']);
307          $row[] = drupal_render($form['userreference'][$userreference_field]['grant_delete']);
308          $rows[] = $row;
309        }
310        $output .= theme('table', $header, $rows);
311        $output .= '<small>' . t('If enabled, the value of the user reference field will be granted the associated permissions. If a user changes the value of the user reference field on a node, the associated user will be modified in the node-specific access table.') . '</small>';
312      }
313    return $output;    return $output;
314  }  }
315    
# Line 427  function nodeaccess_grants_form_validate Line 470  function nodeaccess_grants_form_validate
470   * Submit function for nodeaccess_grants_form.   * Submit function for nodeaccess_grants_form.
471   */   */
472  function nodeaccess_grants_form_submit($form, &$form_state) {  function nodeaccess_grants_form_submit($form, &$form_state) {
473      _nodeaccess_grants_form_submit($form, $form_state);
474      drupal_set_message(t('Grants saved.'));
475    }
476    
477    /**
478     * Private function to submit the per-node grants table. We use this so any
479     * user notifications aren't displayed when a userreference field causes the
480     * updating.
481     */
482    function _nodeaccess_grants_form_submit($form, &$form_state) {
483    $form_values =& $form_state['values'];    $form_values =& $form_state['values'];
484    global $user;    global $user;
485    $grants = array();    $grants = array();
# Line 458  function nodeaccess_grants_form_submit($ Line 511  function nodeaccess_grants_form_submit($
511      db_query("INSERT INTO {nodeaccess} (nid, gid, realm, grant_view, grant_update, grant_delete) VALUES (%d, %d, '%s', %d, %d, %d)",      db_query("INSERT INTO {nodeaccess} (nid, gid, realm, grant_view, grant_update, grant_delete) VALUES (%d, %d, '%s', %d, %d, %d)",
512        $nid, $grant['gid'], $grant['realm'], $grant['grant_view'], $grant['grant_update'], $grant['grant_delete']);        $nid, $grant['gid'], $grant['realm'], $grant['grant_view'], $grant['grant_update'], $grant['grant_delete']);
513    }    }
   
   drupal_set_message(t('Grants saved.'));  
514  }  }
515    
516  /**  /**
# Line 471  function theme_nodeaccess_grants_form($f Line 522  function theme_nodeaccess_grants_form($f
522    
523    // Roles table.    // Roles table.
524    $roles = element_children($form['rid']);    $roles = element_children($form['rid']);
525    if (count($roles) > 0) {    if (count($roles) && count($allowed_roles)) {
526      $header = array();      $header = array();
527      $header[] = t('Role');      $header[] = t('Role');
528      if ($allowed_grants['view']) {      if ($allowed_grants['view']) {
# Line 553  function theme_nodeaccess_grants_form($f Line 604  function theme_nodeaccess_grants_form($f
604   * Implementation of hook_node_grants().   * Implementation of hook_node_grants().
605   */   */
606  function nodeaccess_node_grants($account, $op) {  function nodeaccess_node_grants($account, $op) {
607    global $user;          $roles = is_array($account->roles) ? array_keys($account->roles) : array(-1);
608            return array('nodeaccess_rid' => $roles, 'nodeaccess_uid' => array($account->uid), 'nodeaccess_author' => array($account->uid));
609    
   $roles = is_array($user->roles) ? array_keys($user->roles) : array(-1);  
   return array('nodeaccess_rid' => $roles, 'nodeaccess_uid' => array($user->uid), 'nodeaccess_author' => array($user->uid));  
610  }  }
611    
612  /**  /**
# Line 571  function nodeaccess_nodeapi(&$node, $op) Line 621  function nodeaccess_nodeapi(&$node, $op)
621          $realm = 'nodeaccess_' . $type;          $realm = 'nodeaccess_' . $type;
622          node_access_write_grants($node, $grants, $realm);          node_access_write_grants($node, $grants, $realm);
623        }        }
624          if (module_exists('userreference')) {
625            $fields = variable_get('nodeaccess_' . $node->type . '_userreference', array());
626            foreach (array_keys($fields) as $field_name) {
627              if (isset($node->$field_name)) {
628                nodeaccess_insert_userreference($node);
629                break;
630              }
631            }
632          }
633        // Done, default permissions are not written into nodeaccess.        // Done, default permissions are not written into nodeaccess.
634      break;      break;
635      case 'update':      case 'update':
# Line 583  function nodeaccess_nodeapi(&$node, $op) Line 642  function nodeaccess_nodeapi(&$node, $op)
642        $grants = array();        $grants = array();
643        $grants[] = $grant;        $grants[] = $grant;
644        node_access_write_grants($node, $grants, 'nodeaccess_author');        node_access_write_grants($node, $grants, 'nodeaccess_author');
645          if (module_exists('userreference')) {
646            $fields = variable_get('nodeaccess_' . $node->type . '_userreference', array());
647            foreach (array_keys($fields) as $field_name) {
648              if (isset($node->$field_name)) {
649                $old_node = node_load($node->nid);
650                // Delete the old user as it's changed.
651                if ($node->$field_name != $old_node->$field_name) {
652                  nodeaccess_delete_userreference($old_node);
653                  nodeaccess_insert_userreference($node);
654                }
655                break;
656              }
657            }
658          }
659        // Done, author permissions are not written into nodeaccess.        // Done, author permissions are not written into nodeaccess.
660      break;      break;
661      case 'delete':      case 'delete':
# Line 731  function nodeaccess_save_role_aliases($e Line 804  function nodeaccess_save_role_aliases($e
804    return $success;    return $success;
805  }  }
806    
807  ?>  /**
808     * Insert userreference grants from a node.
809     * @param $node
810     *   The node with enabled userreference grants to insert.
811     */
812    function nodeaccess_insert_userreference($node) {
813      $form_values = _nodeaccess_get_grants($node);
814    
815      // Now, append or overwrite the uid with what was specified in the user
816      // reference field.
817      $fields = variable_get('nodeaccess_' . $node->type . '_userreference', array());
818      foreach ($fields as $field_name => $field) {
819        foreach ($node->$field_name as $values) {
820          // Add the settings for this UID. If the UID is zero, then the
821          // userreference field is set to None.
822          if ($values['uid'] > 0) {
823            $user = user_load($values['uid']);
824            $form_values['uid'][$user->uid] = array('name' => $user->name, 'keep' => 1, 'grant_view' => $field['grant_view'], 'grant_update' => $field['grant_update'], 'grant_delete' => $field['grant_delete']);
825          }
826        }
827      }
828      // Only do the changes if there are users to save.
829      if (count($form_values['uid']) > 0) {
830        $form_values['nid'] = $node->nid;
831        $form_state = array('values' => $form_values);
832        _nodeaccess_grants_form_submit(NULL, $form_state);
833      }
834    }
835    
836    /**
837     * Delete all userreference user grants from a node.
838     *
839     * @param $node
840     *   The node with userreference fields that need to be deleted from the user
841     *   grants table.
842     */
843    function nodeaccess_delete_userreference($node) {
844      $form_values = _nodeaccess_get_grants($node);
845      // Now, append or overwrite the uid with what was specified in the user
846      // reference field.
847      $fields = variable_get('nodeaccess_' . $node->type . '_userreference', array());
848      foreach ($fields as $field_name => $field) {
849        foreach ($node->$field_name as $values) {
850          // Add the settings for this UID
851          $user = user_load($values['uid']);
852          unset($form_values['uid'][$user->uid]);
853        }
854      }
855      $form_values['nid'] = $node->nid;
856      $form_state = array('values' => $form_values);
857      _nodeaccess_grants_form_submit(NULL, $form_state);
858    }
859    
860    /**
861     * Return the grants applied to a node object. This is used to generate values
862     * for the Grants form.
863     *
864     * @param $node
865     *   The node to return grants for.
866     * @return array
867     *   An array of grants with keys 'rid' for roles and 'uid' for users.
868     */
869    function _nodeaccess_get_grants($node) {
870      $grants = array();
871      // Load all roles.
872      $result = db_query("SELECT r.rid, nra.name, na.grant_view, na.grant_update, na.grant_delete FROM {role} r LEFT JOIN {nodeaccess_role_alias} nra ON r.rid = nra.rid LEFT JOIN {node_access} na ON r.rid = na.gid AND na.realm = '%s' AND na.nid = %d ORDER BY nra.weight, nra.name", 'nodeaccess_rid', $node->nid);
873      while ($grant = db_fetch_object($result)) {
874        $grants['rid'][$grant->rid] = array('name' => $grant->name, 'grant_view' => (boolean)$grant->grant_view, 'grant_update' => (boolean)$grant->grant_update, 'grant_delete' => (boolean)$grant->grant_delete);
875      }
876      // Load users from node_access.
877      $result = db_query("SELECT uid, name, grant_view, grant_update, grant_delete FROM {node_access} LEFT JOIN {users} ON uid = gid WHERE nid = %d AND realm = '%s' ORDER BY name", $node->nid, 'nodeaccess_uid');
878      while ($account = db_fetch_object($result)) {
879        $grants['uid'][$account->uid] = array('name' => $account->name, 'keep' => 1, 'grant_view' => $account->grant_view, 'grant_update' => $account->grant_update, 'grant_delete' => $account->grant_delete);
880      }
881      return $grants;
882    }
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