Get login information from Apache, if available

[invirt/packages/invirt-web.git] / code / view.py

diff --git a/code/view.py b/code/view.py
index 1a63eda..5d4750d 100644 (file)
--- a/code/view.py
+++ b/code/view.py
@@ -78,7 +78,27 @@ def require_login():
         raise cherrypy.HTTPError(403,
             "You are not authorized to access that resource")
 
-cherrypy.tools.require_login = cherrypy.Tool('on_start_resource', require_login)
+cherrypy.tools.require_login = cherrypy.Tool('on_start_resource', require_login, priority=150)
+
+def remote_user_login():
+    """Get the current user based on the SSL or GSSAPI environment variables"""
+    environ = cherrypy.request.wsgi_environ
+    user = environ.get('REMOTE_USER')
+    if user is None:
+        return
+    else:
+        cherrypy.request.login = None # clear what cherrypy put there
+
+    if environ.get('AUTH_TYPE') == 'Negotiate':
+        # Convert the krb5 principal into a krb4 username
+        if not user.endswith('@%s' % config.kerberos.realm):
+            cherrypy.request.login = False # failed to login
+        else:
+            cherrypy.request.login = user.split('@')[0].replace('/', '.')
+    else:
+        cherrypy.request.login = user
+
+cherrypy.tools.remote_user_login = cherrypy.Tool('on_start_resource', remote_user_login, priority=50)
 
 def invirtwebstate_init():
     """Initialize the cherrypy.request.state object from Invirt"""