Merge branch 'master' into exp2

[sfa.git] / sfa / trust / credential.py

diff --git a/sfa/trust/credential.py b/sfa/trust/credential.py
index f112a95..a18019d 100644 (file)
--- a/sfa/trust/credential.py
+++ b/sfa/trust/credential.py
@@ -180,7 +180,11 @@ class Signature(object):
         self.gid = gid\r
 \r
     def decode(self):\r
-        doc = parseString(self.xml)\r
+        try:\r
+            doc = parseString(self.xml)\r
+        except ExpatError,e:\r
+            logger.log_exc ("Failed to parse credential, %s"%self.xml)\r
+            raise\r
         sig = doc.getElementsByTagName("Signature")[0]\r
         self.set_refid(sig.getAttribute("xml:id").strip("Sig_"))\r
         keyinfo = sig.getElementsByTagName("X509Data")[0]\r
@@ -205,17 +209,19 @@ class Signature(object):
 # not be changed else the signature is no longer valid.  So, once\r
 # you have loaded an existing signed credential, do not call encode() or sign() on it.\r
 \r
-def filter_creds_by_caller(creds, caller_hrn):\r
+def filter_creds_by_caller(creds, caller_hrn_list):\r
         """\r
         Returns a list of creds who's gid caller matches the\r
         specified caller hrn\r
         """\r
         if not isinstance(creds, list): creds = [creds]\r
+        if not isinstance(caller_hrn_list, list): \r
+            caller_hrn_list = [caller_hrn_list]\r
         caller_creds = []\r
         for cred in creds:\r
             try:\r
                 tmp_cred = Credential(string=cred)\r
-                if tmp_cred.get_gid_caller().get_hrn() == caller_hrn:\r
+                if tmp_cred.get_gid_caller().get_hrn() in caller_hrn_list:\r
                     caller_creds.append(cred)\r
             except: pass\r
         return caller_creds\r
@@ -924,7 +930,13 @@ class Credential(object):
         # But we haven't verified that it is _signed by_ an authority\r
         # We also don't know if xmlsec1 requires that cert signers\r
         # are marked as CAs.\r
-        root_cred_signer.verify_chain(trusted_gids)\r
+\r
+        # Note that if verify() gave us no trusted_gids then this\r
+        # call will fail. So skip it if we have no trusted_gids\r
+        if trusted_gids and len(trusted_gids) > 0:\r
+            root_cred_signer.verify_chain(trusted_gids)\r
+        else:\r
+            logger.debug("No trusted gids. Cannot verify that cred signer is signed by a trusted authority. Skipping that check.")\r
 \r
         # See if the signer is an authority over the domain of the target.\r
         # There are multiple types of authority - accept them all here\r