X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Ftrust%2Fcredential.py;h=135d8170c0b4cb956bb7c52e4e3a6adb250aa015;hb=5f5f29e2bc00befe5b7b601806ef5a7e44349b75;hp=c4e6982d303624c8fefb41ad1d6a32025b336ed1;hpb=04255538dbacfa52a45e8439b9c9ea590a82dc47;p=sfa.git

diff --git a/sfa/trust/credential.py b/sfa/trust/credential.py
index c4e6982d..135d8170 100644
--- a/sfa/trust/credential.py
+++ b/sfa/trust/credential.py
@@ -272,11 +272,13 @@ class Credential(object):
             if os.path.isfile(path + '/' + 'xmlsec1'):
                 self.xmlsec_path = path + '/' + 'xmlsec1'
                 break
+        if not self.xmlsec_path:
+            logger.warn("Could not locate binary for xmlsec1 - SFA will be unable to sign stuff !!")
 
     def get_subject(self):
         if not self.gidObject:
             self.decode()
-        return self.gidObject.get_printable_subject()
+        return self.gidObject.get_subject()
 
     # sounds like this should be __repr__ instead ??
     def get_summary_tostring(self):
@@ -364,8 +366,6 @@ class Credential(object):
         if not self.gidObject:
             self.decode()
         return self.gidObject
-
-
             
     ##
     # Expiration: an absolute UTC time of expiration (as either an int or string or datetime)
@@ -404,8 +404,7 @@ class Credential(object):
         if isinstance(privs, str):
             self.privileges = Rights(string = privs)
         else:
-            self.privileges = privs
-        
+            self.privileges = privs        
 
     ##
     # return the privileges as a Rights object
@@ -629,7 +628,11 @@ class Credential(object):
     # you have loaded an existing signed credential, do not call encode() or sign() on it.
 
     def sign(self):
-        if not self.issuer_privkey or not self.issuer_gid:
+        if not self.issuer_privkey:
+            logger.warn("Cannot sign credential (no private key)")
+            return
+        if not self.issuer_gid:
+            logger.warn("Cannot sign credential (no issuer gid)")
             return
         doc = parseString(self.get_xml())
         sigs = doc.getElementsByTagName("signatures")[0]
@@ -658,8 +661,10 @@ class Credential(object):
         # Call out to xmlsec1 to sign it
         ref = 'Sig_%s' % self.get_refid()
         filename = self.save_to_random_tmp_file()
-        signed = os.popen('%s --sign --node-id "%s" --privkey-pem %s,%s %s' \
-                 % (self.xmlsec_path, ref, self.issuer_privkey, ",".join(gid_files), filename)).read()
+        command='%s --sign --node-id "%s" --privkey-pem %s,%s %s' \
+            % (self.xmlsec_path, ref, self.issuer_privkey, ",".join(gid_files), filename)
+#        print 'command',command
+        signed = os.popen(command).read()
         os.remove(filename)
 
         for gid_file in gid_files:
@@ -1038,7 +1043,7 @@ class Credential(object):
         print self.dump_string(*args, **kwargs)
 
 
-    def dump_string(self, dump_parents=False):
+    def dump_string(self, dump_parents=False, show_xml=False):
         result=""
         result += "CREDENTIAL %s\n" % self.get_subject()
         filename=self.get_filename()
@@ -1053,6 +1058,9 @@ class Credential(object):
             print "  gidIssuer:"
             self.get_signature().get_issuer_gid().dump(8, dump_parents)
 
+        if self.expiration:
+            print "  expiration:", self.expiration.isoformat()
+
         gidObject = self.get_gid_object()
         if gidObject:
             result += "  gidObject:\n"
@@ -1062,4 +1070,16 @@ class Credential(object):
             result += "\nPARENT"
             result += self.parent.dump_string(True)
 
+        if show_xml:
+            try:
+                tree = etree.parse(StringIO(self.xml))
+                aside = etree.tostring(tree, pretty_print=True)
+                result += "\nXML\n"
+                result += aside
+                result += "\nEnd XML\n"
+            except:
+                import traceback
+                print "exc. Credential.dump_string / XML"
+                traceback.print_exc()
+
         return result