SimpleSAMLPHP Unhandled exception failed to parse xml string - okta

Question

SimpleSAML_Error_Error: UNHANDLEDEXCEPTION
Backtrace:
0 C:\xamp\htdocs\okta\simplesamlphp\www\module.php:180 (N/A)
Caused by: Exception: Failed to parse XML string.
Backtrace:
7 C:\xamp\htdocs\okta\simplesamlphp\lib\SimpleSAML\Metadata\SAMLParser.php:333 (SimpleSAML_Metadata_SAMLParser::parseDescriptorsString)
6 C:\xamp\htdocs\okta\simplesamlphp\saml-autoconfig.php:54 (require)
5 C:\xamp\htdocs\okta\simplesamlphp\config\authsources.php:2 (require)
4 C:\xamp\htdocs\okta\simplesamlphp\lib\SimpleSAML\Configuration.php:114 (SimpleSAML_Configuration::loadFromFile)
3 C:\xamp\htdocs\okta\simplesamlphp\lib\SimpleSAML\Configuration.php:178 (SimpleSAML_Configuration::getConfig)
2 C:\xamp\htdocs\okta\simplesamlphp\lib\SimpleSAML\Auth\Source.php:330 (SimpleSAML_Auth_Source::getById)
1 C:\xamp\htdocs\okta\simplesamlphp\modules\saml\www\sp\saml2-acs.php:12 (require)
0 C:\xamp\htdocs\okta\simplesamlphp\www\module.php:137 (N/A)
saml-autoconfig.php
<?php
/* -*- coding: utf-8 -*-
* Copyright 2015 Okta, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* metadata_url_for contains PER APPLICATION configuration settings.
* Each SAML service that you support will have different values here.
*
* NOTE:
* This is implemented as an array for DEMONSTRATION PURPOSES ONLY.
* On a production system, this information should be stored as approprate
* With each key below mapping to your concept of "customer company",
* "group", "organization", "team", etc.
* This should also be stored in your production datastore.
*/
$metadata_url_for = array(
/* WARNING WARNING WARNING
* You MUST remove the testing IdP (idp.oktadev.com) from a production system,
* as the testing IdP will allow ANYBODY to log in as ANY USER!
* WARNING WARNING WARNING
* For testing with http://saml.oktadev.com use the line below:
*/
// 'test' => 'http://idp.oktadev.com/metadata',
'example' => 'https://dev-540405.oktapreview.com/app/weblogpkdev930725_weblog_1/exk8fuhzpynnGw54Q0h7/sso/saml',
);
foreach($metadata_url_for as $idp_name => $metadata_url) {
/*
* Fetch SAML metadata from the URL.
* NOTE:
* SAML metadata changes very rarely. On a production system,
* this data should be cached as approprate for your production system.
*/
$metadata_xml = file_get_contents($metadata_url);
/*
* Parse the SAML metadata using SimpleSAMLphp's parser.
* See also: modules/metaedit/www/edit.php:34
*/
SimpleSAML_Utilities::validateXMLDocument($metadata_xml, 'saml-meta');
$entities = SimpleSAML_Metadata_SAMLParser::parseDescriptorsString($metadata_xml);
$entity = array_pop($entities);
$idp = $entity->getMetadata20IdP();
$entity_id = $idp['entityid'];
/*
* Remove HTTP-POST endpoints from metadata,
* since we only want to make HTTP-GET AuthN requests.
*/
for($x = 0; $x < sizeof($idp['SingleSignOnService']); $x++) {
$endpoint = $idp['SingleSignOnService'][$x];
if($endpoint['Binding'] == 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST') {
unset($idp['SingleSignOnService'][$x]);
}
}
/*
* Don't sign AuthN requests.
*/
if(isset($idp['sign.authnrequest'])) {
unset($idp['sign.authnrequest']);
}
/*
* Set up the "$config" and "$metadata" variables as used by SimpleSAMLphp.
*/
$config[$idp_name] = array(
'saml:SP',
'entityID' => null,
'idp' => $entity_id,
// NOTE: This is how you configure RelayState on the server side.
// 'RelayState' => "",
);
$metadata[$entity_id] = $idp;
}

Answer 1

it seems like there is an error on the configuration you have done in the SimpleSAMLPhp. Can you please provide the configuration you have done inside saml-autoconfig.php file as well as under config.php?