add DiscoveryResponse info to SPs in discojson

Author: enriquepablo

NEWS.txt

@@ -171,3 +171,6 @@ to sign using HSMs. The only mandatory non-python dependency now is lxml.
 * Fix random seeding
 * Fix for data handling related to non-Z timezones in metadata
 
+2.1.3
+-----
+* Add DiscoveryResponse info to SPs in discojson

src/pyff/constants.py

@@ -37,6 +37,7 @@
     ser="http://eidas.europa.eu/metadata/servicelist",
     eidas="http://eidas.europa.eu/saml-extensions",
     ti="https://seamlessaccess.org/NS/trustinfo",
+    idpdisc="urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol",
 )
 
 #: These are the attribute aliases pyFF knows about. These are used to build URI paths, populate the index

src/pyff/samlmd.py

@@ -783,6 +783,14 @@ def registration_authority(entity):
         return regauth_el.attrib.get('registrationAuthority')
 
 
+def discovery_responses(entity):
+    responses = None
+    responses_els = entity.findall(".//{%s}DiscoveryResponse" % NS['idpdisc'])
+    if len(responses_els) > 0:
+        responses = [el.attrib.get('Location') for el in responses_els]
+    return responses
+
+
 def entity_extended_display(entity, langs=None):
     """Utility-method for computing a displayable string for a given entity.
 
@@ -875,6 +883,7 @@ def discojson(e, sources=None, langs=None, fallback_to_favicon=False, icon_store
     categories = entity_attribute(e, "http://macedir.org/entity-category")
     certifications = entity_attribute(e, "urn:oasis:names:tc:SAML:attribute:assurance-certification")
     cat_support = entity_attribute(e, "http://macedir.org/entity-category-support")
+    disc_responses = discovery_responses(e)
 
     d = dict(
         title=title,
@@ -900,6 +909,9 @@ def discojson(e, sources=None, langs=None, fallback_to_favicon=False, icon_store
     if sources is not None:
         d['md_source'] = sources
 
+    if disc_responses is not None:
+        d["discovery_responses"] = disc_responses
+
     eattr = entity_attribute_dict(e)
     if 'idp' in eattr[ATTRS['role']]:
         d['type'] = 'idp'