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<?php
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/**
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* @file
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* Allows user account and profile attributes to be automatically populated
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* using tokens. Provides basic tokens for attributes returned by the CAS
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* server.
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*/
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/**
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* Implements hook_menu().
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*/
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function cas_attributes_menu() {
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$items = array();
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$items['admin/config/people/cas/attributes'] = array(
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'title' => 'Attributes',
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'description' => 'Manage the relationships between CAS attributes and user fields.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('cas_attributes_admin_settings'),
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'access arguments' => array('administer cas'),
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'file' => 'cas_attributes.admin.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => -8,
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);
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$items['admin/config/people/cas/attributes/settings'] = array(
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'title' => 'Settings',
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10,
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);
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$items['admin/config/people/cas/attributes/cas'] = array(
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'title' => 'CAS Attribute Tokens',
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'description' => 'Get a list of all available CAS Attributes',
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'page callback' => 'cas_attributes_list',
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'access arguments' => array('administer cas'),
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'file' => 'cas_attributes.admin.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => -8,
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);
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return $items;
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}
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/**
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* Implements hook_cas_user_presave().
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*/
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function cas_attributes_cas_user_presave(&$edit, $account) {
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// We synchronize on the first login (always) and on future logins (if chosen).
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if ($account->login && !variable_get('cas_attributes_sync_every_login', NULL)) {
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// The user has logged in before and we are not set to always synchronize.
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return;
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}
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$data = array('cas' => $edit['cas_user']['name']);
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// Set each drupal field to its mapped attribute.
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$overwrite = variable_get('cas_attributes_overwrite', TRUE);
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foreach (variable_get('cas_attributes_relations', array()) as $drupal_field => $text) {
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$result = trim(token_replace($text, $data, array('clear' => TRUE)));
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$result = html_entity_decode($result);
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// Only update the fields if there is data to set.
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if (!empty($result)) {
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if ($drupal_field == 'name' || $drupal_field == 'mail') {
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// Only update field if overwrite setting is on, or if it is empty.
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if ($overwrite || empty($account->{$drupal_field})) {
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$edit[$drupal_field] = $result;
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}
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}
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else {
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// Only update field if overwrite setting is on, or if it is empty.
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if ($overwrite || empty($account->{$drupal_field})) {
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$edit[$drupal_field][LANGUAGE_NONE][0]['value'] = $result;
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}
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}
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}
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}
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// Manage Roles
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// Make sure there are attributes to check.
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$mapping = variable_get('cas_attributes_roles_mapping', '');
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if (!empty($mapping)) {
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// Get the users attributes.
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$user_attributes = cas_phpcas_attributes($data['cas']);
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// Allow other modules to manipulate the attribute values.
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// Can't use module_invoke_all() because we need to pass byref.
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$arguments = array(&$user_attributes);
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foreach (module_implements('cas_attributes_roles_modify') as $module) {
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$function = $module . '_cas_attributes_roles_modify';
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call_user_func_array($function, $arguments);
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}
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// Build all the attirbutes to check.
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$cas_user_roles = array();
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$attributes_to_check = explode("\n", trim($mapping));
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foreach ($attributes_to_check as $attribute) {
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$attribute = trim($attribute);
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if (!empty($user_attributes[$attribute])) {
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if (is_array($user_attributes[$attribute])) {
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$cas_user_roles = array_merge($cas_user_roles, $user_attributes[$attribute]);
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}
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else {
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$cas_user_roles[] = $user_attributes[$attribute];
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}
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}
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}
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// Loop through all the managed roles and see if the user has access to them
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// and set accordingly.
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$roles = user_roles();
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foreach (variable_get('cas_attributes_roles_manage', array()) as $rid) {
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if (!empty($rid)) {
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if (in_array($roles[$rid], $cas_user_roles)) {
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$edit['roles'][$rid] = $roles[$rid];
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}
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else {
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unset($edit['roles'][$rid]);
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}
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}
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}
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}
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}
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