Getting setup for token parsing.

src/claims.py

@@ -2,6 +2,7 @@
 
 import flask
 import json
+
 import urllib.parse
 import xml.dom.minidom
 from base64 import b64decode
@@ -9,6 +10,7 @@ from flask import jsonify
 from flask import request
 from flask import render_template
 
+import stsparse
 
 app = flask.Flask(__name__)
 
@@ -29,7 +31,9 @@ def get_saml_claims():
     if request.method == 'POST':
         saml_response = request.form
         saml_text = b64decode(urllib.parse.unquote(saml_response['SAMLResponse']), validate=False)
-        saml_xml = xml.dom.minidom.parseString(saml_text).toprettyxml()
+        saml_xml = xml.dom.minidom.parseString(saml_text)
+        attrs = stsparse.parse_saml_attr(saml_xml)
+        saml_xml = saml_xml.toprettyxml()
         return render_template('saml.html', token=saml_xml)
     if request.method == 'GET':
         return "Dude where's my claims?"

src/stsparse.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+
+import xml.dom.minidom
+from functools import singledispatch
+
+@singledispatch
+def parse_saml_attr(token):
+    '''
+    Takes a string or xml literal as input and returns the saml attributes
+    as a dictionary claim_name:value.
+    '''
+    return None