sources/saml(major): add saml SP

passbook/sources/saml/xml_render.py

@@ -0,0 +1,28 @@
+"""Functions for creating XML output."""
+from structlog import get_logger
+
+from passbook.lib.utils.template import render_to_string
+from passbook.providers.saml.xml_signing import get_signature_xml
+
+LOGGER = get_logger()
+
+
+def get_authnrequest_xml(parameters, signed=False):
+    """Get AuthN Request XML"""
+    # Reset signature.
+    params = {}
+    params.update(parameters)
+    params['AUTHN_REQUEST_SIGNATURE'] = ''
+
+    unsigned = render_to_string('saml/sp/xml/authn_request.xml', params)
+    LOGGER.debug('AuthN Request', unsigned=unsigned)
+    if not signed:
+        return unsigned
+
+    # Sign it.
+    signature_xml = get_signature_xml()
+    params['AUTHN_REQUEST_SIGNATURE'] = signature_xml
+    signed = render_to_string('saml/sp/xml/authn_request.xml', params)
+
+    LOGGER.debug('AuthN Request', signed=signed)
+    return signed