danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Plugin to provide access control based on evaluated PHP.
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: $plugin = array(
danielebarchiesi@0:   'title' => t("PHP Code"),
danielebarchiesi@0:   'description' => t('Control access through arbitrary PHP code.'),
danielebarchiesi@0:   'callback' => 'ctools_php_ctools_access_check',
danielebarchiesi@0:   'default' => array('description' => '', 'php' => ''),
danielebarchiesi@0:   'settings form' => 'ctools_php_ctools_access_settings',
danielebarchiesi@0:   'summary' => 'ctools_php_ctools_access_summary',
danielebarchiesi@0:   'all contexts' => TRUE,
danielebarchiesi@0: );
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Settings form for the 'by perm' access plugin
danielebarchiesi@0:  *
danielebarchiesi@0:  * @todo Need a way to provide a list of all available contexts to be used by
danielebarchiesi@0:  *       the eval-ed PHP.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_php_ctools_access_settings($form, &$form_state, $conf) {
danielebarchiesi@0:   $perms = array();
danielebarchiesi@0: 
danielebarchiesi@0:   $form['settings']['description'] = array(
danielebarchiesi@0:     '#type' => 'textfield',
danielebarchiesi@0:     '#title' => t('Administrative desc'),
danielebarchiesi@0:     '#default_value' => $conf['description'],
danielebarchiesi@0:     '#description' => t('A description for this test for administrative purposes.'),
danielebarchiesi@0:   );
danielebarchiesi@0:   $form['settings']['php'] = array(
danielebarchiesi@0:     '#type' => 'textarea',
danielebarchiesi@0:     '#title' => t('PHP Code'),
danielebarchiesi@0:     '#default_value' => $conf['php'],
danielebarchiesi@0:     '#description' =>  t('Access will be granted if the following PHP code returns <code>TRUE</code>. Do not include &lt;?php ?&gt;. Note that executing incorrect PHP-code can break your Drupal site. All contexts will be available in the <em>$contexts</em> variable.'),
danielebarchiesi@0:   );
danielebarchiesi@0:   if (!user_access('use PHP for settings')) {
danielebarchiesi@0:     $form['settings']['php']['#disabled'] = TRUE;
danielebarchiesi@0:     $form['settings']['php']['#value'] = $conf['php'];
danielebarchiesi@0:     $form['settings']['php']['#description'] .= ' ' . t('You do not have sufficient permissions to edit PHP code.');
danielebarchiesi@0:   }
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Check for access.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_php_ctools_access_check($__conf, $contexts) {
danielebarchiesi@0:   $access = eval($__conf['php']);
danielebarchiesi@0:   return $access;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Provide a summary description based upon the checked roles.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_php_ctools_access_summary($conf, $contexts) {
danielebarchiesi@0:   return !empty($conf['description']) ? check_plain($conf['description']) : t('No description');
danielebarchiesi@0: }