<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
I'm running into an issue with Illinois' awscli-login module. When I run "aws login" to perform the ECP authentication, awscli-login sends a SAMLRequest to my IDP's ECP endpoint. This generates the following error in my IDP logs:</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
WARN [net.shibboleth.idp.saml.profile.impl.PopulateBindingAndEndpointContexts:410] - Profile Action PopulateBindingAndEndpointContexts: Unable to resolve outbound message endpoint for relying party 'urn:amazon:webservices': EndpointCriterion [type={urn:oasis:names:tc:SAML:2.0:metadata}AssertionConsumerService,
Binding=urn:oasis:names:tc:SAML:2.0:bindings:PAOS, Location=https://signin.aws.amazon.com/saml, trusted=false]</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
WARN [org.opensaml.profile.action.impl.LogEvent:105] - A non-proceed event occurred while processing the request: EndpointResolutionFailed</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
WARN [net.shibboleth.idp.saml.profile.impl.SpringAwareMessageEncoderFactory:96] - Binding URI was not available, unable to lookup message encoder</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
ERROR [org.opensaml.profile.action.impl.EncodeMessage:122] - Profile Action EncodeMessage: Unable to locate an outbound message encoder<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
The metadata loaded dynamically from Amazon (<a href="https://signin.aws.amazon.com/static/saml-metadata.xml">https://signin.aws.amazon.com/static/saml-metadata.xml</a>) has just 1 ACS entry:</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<AssertionConsumerService index="1" isDefault="true" Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://signin.aws.amazon.com/saml"/></div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
So, Shibboleth is definitely correct that there is no PAOS binding for this SP.</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Am I doing something wrong? How have other awscli-login users solved this issue?</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div style="font-family: Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Thanks,</div>
<div>
<div id="Signature">
<div></div>
<div></div>
<div style="font-family:"Courier New",monospace; font-size:12pt; color:rgb(0,0,0)">
<span style="font-family:Arial,Helvetica,sans-serif">Andy Morgan</span><span><br>
</span></div>
<div style="font-family:"Courier New",monospace; font-size:12pt; color:rgb(0,0,0)">
<div><span style="font-family:Arial,Helvetica,sans-serif">Identity & Access Management</span><br>
</div>
<div><span style="font-family:Arial,Helvetica,sans-serif">Oregon State University</span><br>
</div>
</div>
</div>
</div>
</body>
</html>