pyFF doesn't appear to handle certificate checks on MDQ feeds #275
Description
Code Version
1.1.x or 2.x
Expected Behavior
certificate check works on the metadata
Current Behavior
certificate fails..with the provided config you get
INFO:pyff.fetch:successfully fetched https://mdq.incommon.org/entities/idps/all
ERROR:xmlsec:Unable to find cert matching fingerprint: f8:4e:f8:47:ef:bb:ee:47:86:32:db:94:17:8a:31:a6:94:73:19:36
ERROR:pyff.samlmd:Error parsing https://mdq.incommon.org/entities/idps/all: No valid ds:Signature elements found
Possible Solution
check with xmlsectool works - so its some parsing issue?
Steps to Reproduce
use the following XRD file
<?xml version="1.0"?> <XRDS xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"> <XRD> <Link rel="urn:oasis:names:tc:SAML:2.0:metadata" href="https://mdq.incommon.org/entities/idps/all"> <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> <ds:X509Data> <ds:X509Certificate> MIIEvjCCAyagAwIBAgIJANpi9/mkU/zoMA0GCSqGSIb3DQEBCwUAMHQxCzAJBgNV BAYTAlVTMQswCQYDVQQIDAJNSTESMBAGA1UEBwwJQW5uIEFyYm9yMRYwFAYDVQQK DA1JbnRlcm5ldDIuZWR1MREwDwYDVQQLDAhJbkNvbW1vbjEZMBcGA1UEAwwQbWRx LmluY29tbW9uLm9yZzAeFw0xODExMTMxNDI5NDNaFw0zODExMTAxNDI5NDNaMHQx CzAJBgNVBAYTAlVTMQswCQYDVQQIDAJNSTESMBAGA1UEBwwJQW5uIEFyYm9yMRYw FAYDVQQKDA1JbnRlcm5ldDIuZWR1MREwDwYDVQQLDAhJbkNvbW1vbjEZMBcGA1UE AwwQbWRxLmluY29tbW9uLm9yZzCCAaIwDQYJKoZIhvcNAQEBBQADggGPADCCAYoC ggGBAJ0+fUTzYVSP6ZOutOEhNdp3WPCPOYqnB4sQFz7IeGbFL1o0lZjx5Izm4Yho 4wNDd0h486iSkHxNf5dDhCqgz7ZRSmbusOl98SYn70PrUQj/Nzs3w47dPg9Tpb/x y44PvNLS/rE56hPgCz/fbHoTTiJt5eosysa1ZebQ3LEyW3jGm+LGtLbdIfkynKVQ vpp1FVeCamzdeB3ZRICAvqTYQKE1JQDGlWrEsSW0VVEGNjfbzMzr/g4l8JRdMabQ Jig8tj3UIXnu7A2CKSMJSy3WZ3HX+85oHEbL+EV4PtpQz765c69tUIdNTJax9jQ2 1c3wL0K27HE8jSRlrXImD50R3dXQBKH+iiynBWxRPdyMBa1YfK+zZEWPbLHshSTc 9hkylQv3awmPR/+Plz5AtTpe5yss/Ifyp01wz1jt42R+6jDE+WbUjp5XDBCAjGEE 0FPaYtxjZLkmNl367bdTN12OIn/ixPNH+Z/S/4skdBB9Gc4lb2fEBywJQY0OYNOd WOxmPwIDAQABo1MwUTAdBgNVHQ4EFgQUMHZuwMaYSJM5mlu3Wc4Ts5xq4/swHwYD VR0jBBgwFoAUMHZuwMaYSJM5mlu3Wc4Ts5xq4/swDwYDVR0TAQH/BAUwAwEB/zAN BgkqhkiG9w0BAQsFAAOCAYEAMr4wfLrSoPTzfpXtvL+2vrKBJNnRfuJpOYTbPKUc DOP2QfzRlczi7suYJvd5rLiRonq8rjyPUyM8gvTfbTps+JhJ6S9mS6dTBxOV1qPZ 3Ab+XKmq8LUtguGRabKgJgmJH0+inR/wVoal7EVHcWXfij9AT8DZOXW88shc6grh jUaFZBu/2+q8c8ee0e4ip8B+CVEnCwDKI0d+nTcSmPvAE34CNa33F+QGpXawv5yv VvIpSaLAeFQhc/jKcnNHfy+Zi7JmSnKZiMvQCbWANQmDjHg7pGmBW9nyQcm6P2/B 0AVcEj1YTpAR8Mbh1pUdIhoB+chaNnFEIZsXeRsdbbAFpxodInlJ7WekfuvSQ6sU EXpoyBGOeuuTmR1va8k3QeL8Wc4yNu/g5LwjmtvPrh2jBF8xujc4J6VzP8K2BjA4 xk4LnXgjHOT93dBAJhVYJkykDHwyvHUvsBHoP6lfjrt5P8zunK2mdP/AZKik+Rdt 1GGlErV2AyWShTOaDLW6NxdP </ds:X509Certificate> </ds:X509Data> </ds:KeyInfo> </Link> </XRD> </XRDS>
(this is the incommon federation MDQ feed for all IdPs and the relevant certificate as per their MDQ documentation)