chamilo / chamilo-lms

                        $text_response);

                }

                // insure that tag name is 'serviceResponse'

                if ($tree_response->node_name() != 'serviceResponse') {

                    phpCAS::trace('bad XML root node (should be `serviceResponse\' instead of `' . $tree_response->node_name() . '\'');

                    $this->authError('ST not validated',

                        $validate_url,

                        false/*$no_response*/,

                        true/*$bad_response*/,

                        $text_response);

                }

                if (sizeof($success_elements = $tree_response->get_elements_by_tagname("authenticationSuccess")) != 0) {

                    // authentication succeded, extract the user name

                    if (sizeof($user_elements = $success_elements[0]->get_elements_by_tagname("user")) == 0) {

                        $text_response);

                }

                // insure that tag name is 'Envelope'

                if ($tree_response->node_name() != 'Envelope') {

                    phpCAS::trace('bad XML root node (should be `Envelope\' instead of `' . $tree_response->node_name() . '\'');

                    $this->authError('SA not validated',

                        $validate_url,

                        false/*$no_response*/,

                        true/*$bad_response*/,

                        $text_response);

                }

                // check for the NameIdentifier tag in the SAML response

                if (sizeof($success_elements = $tree_response->get_elements_by_tagname("NameIdentifier")) != 0) {

                    phpCAS::trace('NameIdentifier found');