Added support for local metadata file.

AUTHORS.rst

@@ -27,3 +27,4 @@ Contributors
 - `Tonymke <https://github.com/tonymke/>`_
 - `pintor <https://github.com/pintor>`_
 - `BaconAndEggs <https://github.com/BaconAndEggs>`_
+- `kevPo <https://github.com/kevPo>`_

README.rst

@@ -123,8 +123,9 @@ How to use?
     .. code-block:: python
 
         SAML2_AUTH = {
-            # Required setting
+            # Metadata is required, choose either remote url or local file path
             'METADATA_AUTO_CONF_URL': '[The auto(dynamic) metadata configuration URL of SAML2]',
+            'METADATA_LOCAL_FILE_PATH': '[The metadata configuration file path]',
 
             # Optional settings below
             'DEFAULT_NEXT_URL': '/admin',  # Custom target redirect URL after the user get logged in. Default to /admin if not set. This setting will be overwritten if you have parameter ?next= specificed in the login URL.
@@ -158,6 +159,8 @@ Explanation
 
 **METADATA_AUTO_CONF_URL** Auto SAML2 metadata configuration URL
 
+**METADATA_LOCAL_FILE_PATH** SAML2 metadata configuration file path
+
 **NEW_USER_PROFILE** Default settings for newly created users
 
 **ATTRIBUTES_MAP** Mapping of Django user attributes to SAML2 user attributes

django_saml2_auth/views.py

@@ -61,17 +61,27 @@ def get_reverse(objs):
     raise Exception('We got a URL reverse issue: %s. This is a known issue but please still submit a ticket at https://github.com/fangli/django-saml2-auth/issues/new' % str(objs))
 
 
-def _get_saml_client(domain):
-    acs_url = domain + get_reverse([acs, 'acs', 'django_saml2_auth:acs'])
-
-    saml_settings = {
-        'metadata': {
+def _get_metadata():
+    if 'METADATA_LOCAL_FILE_PATH' in settings.SAML2_AUTH:
+        return {
+            'local': [settings.SAML2_AUTH['METADATA_LOCAL_FILE_PATH']]
+        }
+    else:
+        return {
             'remote': [
                 {
                     "url": settings.SAML2_AUTH['METADATA_AUTO_CONF_URL'],
                 },
-            ],
-        },
+            ]
+        }
+
+
+def _get_saml_client(domain):
+    acs_url = domain + get_reverse([acs, 'acs', 'django_saml2_auth:acs'])
+    metadata = _get_metadata()
+
+    saml_settings = {
+        'metadata': metadata,
         'service': {
             'sp': {
                 'endpoints': {