danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Plugin to provide access control based upon node type.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Plugins are described by creating a $plugin array which will be used
danielebarchiesi@0:  * by the system that includes this file.
danielebarchiesi@0:  */
danielebarchiesi@0: $plugin = array(
danielebarchiesi@0:   'title' => t("Node: accessible"),
danielebarchiesi@0:   'description' => t('Control access with built in Drupal node access test.'),
danielebarchiesi@0:   'callback' => 'ctools_node_access_ctools_access_check',
danielebarchiesi@0:   'default' => array('type' => 'view'),
danielebarchiesi@0:   'settings form' => 'ctools_node_access_ctools_access_settings',
danielebarchiesi@0:   'settings form submit' => 'ctools_node_access_ctools_access_settings_submit',
danielebarchiesi@0:   'summary' => 'ctools_node_access_ctools_access_summary',
danielebarchiesi@0:   'required context' => array(
danielebarchiesi@0:     new ctools_context_required(t('User'), 'user'),
danielebarchiesi@0:     new ctools_context_required(t('Node'), 'node'),
danielebarchiesi@0:   ),
danielebarchiesi@0: );
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Settings form for the 'by node_access' access plugin
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_node_access_ctools_access_settings($form, &$form_state, $conf) {
danielebarchiesi@0:   $form['settings']['type'] = array(
danielebarchiesi@0:     '#title' => t('Operation'),
danielebarchiesi@0:     '#type' => 'radios',
danielebarchiesi@0:     '#options' => array(
danielebarchiesi@0:       'view' => t('View'),
danielebarchiesi@0:       'update' => t('Update'),
danielebarchiesi@0:       'delete' => t('Delete'),
danielebarchiesi@0:       'create' => t('Create nodes of the same type'),
danielebarchiesi@0:     ),
danielebarchiesi@0:     '#description' => t('Using built in Drupal node access rules, determine if the user can perform the selected operation on the node.'),
danielebarchiesi@0:     '#default_value' => $conf['type'],
danielebarchiesi@0:   );
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Check for access.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_node_access_ctools_access_check($conf, $context) {
danielebarchiesi@0:   // As far as I know there should always be a context at this point, but this
danielebarchiesi@0:   // is safe.
danielebarchiesi@0:   list($user_context, $node_context) = $context;
danielebarchiesi@0:   if (empty($node_context) || empty($node_context->data) || empty($node_context->data->type)) {
danielebarchiesi@0:     return FALSE;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if (empty($user_context) || empty($user_context->data)) {
danielebarchiesi@0:     return FALSE;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if ($conf['type'] == 'create') {
danielebarchiesi@0:     return node_access('create', $node_context->data->type, $user_context->data);
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     return node_access($conf['type'], $node_context->data, $user_context->data);
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Provide a summary description based upon the checked node_accesss.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_node_access_ctools_access_summary($conf, $context) {
danielebarchiesi@0:   list($user_context, $node_context) = $context;
danielebarchiesi@0:   $replacement = array('@user' => $user_context->identifier, '@node' => $node_context->identifier);
danielebarchiesi@0: 
danielebarchiesi@0:   switch ($conf['type']) {
danielebarchiesi@0:     case 'view':
danielebarchiesi@0:       return t('@user can view @node.', $replacement);
danielebarchiesi@0: 
danielebarchiesi@0:     case 'update':
danielebarchiesi@0:       return t('@user can edit @node.', $replacement);
danielebarchiesi@0: 
danielebarchiesi@0:     case 'delete':
danielebarchiesi@0:       return t('@user can delete @node.', $replacement);
danielebarchiesi@0: 
danielebarchiesi@0:     case 'create':
danielebarchiesi@0:       return t('@user can create nodes of the same type as @node.', $replacement);
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: