diff options
| -rw-r--r-- | .gitignore | 2 | ||||
| -rw-r--r-- | src/saml2/mdstore.py | 56 |
2 files changed, 55 insertions, 3 deletions
@@ -13,6 +13,8 @@ dist/ example/sp/identities subject.db .idea +.project +.pydevproject .DS_store .gitignore debug_* diff --git a/src/saml2/mdstore.py b/src/saml2/mdstore.py index 96d610ea..02c4ec30 100644 --- a/src/saml2/mdstore.py +++ b/src/saml2/mdstore.py @@ -21,6 +21,7 @@ from saml2.validate import valid_instance from saml2.time_util import valid from saml2.validate import NotValid from saml2.sigver import security_context +from importlib import import_module __author__ = 'rolandh' @@ -134,8 +135,8 @@ class MetaData(object): # have I seen this entity_id before ? If so if log: ignore it if entity_descr.entity_id in self.entity: - print >> sys.stderr,\ - "Duplicated Entity descriptor (entity id: '%s')" %\ + print >> sys.stderr, \ + "Duplicated Entity descriptor (entity id: '%s')" % \ entity_descr.entity_id return @@ -353,8 +354,11 @@ class MetaDataFile(MetaData): self.filename = filename self.cert = cert + def get_metadata_content(self): + return open(self.filename).read() + def load(self): - _txt = open(self.filename).read() + _txt = self.get_metadata_content() if self.cert: node_name = "%s:%s" % (md.EntitiesDescriptor.c_namespace, md.EntitiesDescriptor.c_tag) @@ -369,6 +373,49 @@ class MetaDataFile(MetaData): return True +class MetaDataLoader(MetaDataFile): + """ + Handles Metadata file loaded by a passed in function. + The format of the file is the SAML Metadata format. + """ + def __init__(self, onts, attrc, loader_callable, cert=None): + MetaData.__init__(self, onts, attrc) + self.metadata_provider_callable = self.get_metadata_loader(loader_callable) + self.cert = cert + + def get_metadata_loader(self, func): + if callable(func): + return func + + i = func.rfind('.') + module, attr = func[:i], func[i + 1:] + try: + mod = import_module(module) + except Exception, e: + raise RuntimeError('Cannot find metadata provider function %s: "%s"' % (func, e)) + + try: + metadata_loader = getattr(mod, attr) + except AttributeError: + raise RuntimeError( + 'Module "%s" does not define a "%s" metadata loader' % + (module, attr) + ) + + if not callable(metadata_loader): + raise RuntimeError( + 'Metadata loader %s.%s must be callable' % + (module, attr) + ) + + return metadata_loader + + + + def get_metadata_content(self): + return self.metadata_provider_callable() + + class MetaDataExtern(MetaData): """ Class that handles metadata store somewhere on the net. @@ -463,6 +510,9 @@ class MetadataStore(object): elif typ == "mdfile": key = args[0] md = MetaDataMD(self.onts, self.attrc, args[0]) + elif typ == "loader": + key = args[0] + md = MetaDataLoader(self.onts, self.attrc, args[0]) else: raise SAMLError("Unknown metadata type '%s'" % typ) |