Changeset 7f1e63c for gutenbach-web/middleware.py

Timestamp:

Feb 23, 2009, 6:42:45 PM (16 years ago)

Author:

Edward Z. Yang <edwardzyang@…>

Branches:

master, debian, mac, no-cups, web

Children:

b748ed1

Parents:

77aa4c8

git-author:

Edward Z. Yang <edwardzyang@…> (02/23/09 18:42:45)

git-committer:

Edward Z. Yang <edwardzyang@…> (02/23/09 18:42:45)

Message:

Make sipbmp3web work on scripts.

Signed-off-by: Edward Z. Yang <edwardzyang@…>

File:

• gutenbach-web/middleware.py (modified) (2 diffs)

gutenbach-web/middleware.py

@@ -2 +2 @@
 from sipbmp3web.config.app_cfg import base_config
 from sipbmp3web.config.environment import load_environment
+import subprocess, os
+from pylons import config
 
 #Use base_config to setup the necessary WSGI App factory. 
@@ -7 +9 @@
 make_base_app = base_config.setup_tg_wsgi_app(load_environment)
 
+class FastCGIFixMiddleware(object):
+    """Remove dispatch.fcgi from the SCRIPT_NAME
+    
+    mod_rewrite doesn't do a perfect job of hiding it's actions to the
+    underlying script, which causes TurboGears to get confused and tack
+    on dispatch.fcgi when it really shouldn't. This fixes that problem as a
+    Middleware that fiddles with the appropriate environment variable
+    before any processing takes place.
+    """
+    def __init__(self, app, global_conf=None):
+        self.app = app
+    def __call__(self, environ, start_response):
+        environ['SCRIPT_NAME'] = environ['SCRIPT_NAME'].replace('/dispatch.fcgi', '')
+        return self.app(environ, start_response)
+
+class KinitMiddleware(object):
+    """Performs Kerberos authentication with a keytab"""
+    def __init__(self, app, global_conf=None):
+        self.app = app
+        self.keytab = config["keytab"]
+    def __call__(self, environ, start_response):
+        if self.keytab:
+            subprocess.call(["/usr/kerberos/bin/kinit", "ezyang/extra", "-k", "-t", self.keytab])
+        return self.app(environ, start_response)
+
 def make_app(global_conf, full_stack=True, **app_conf):
     app = make_base_app(global_conf, full_stack=True, **app_conf)
-    #Wrap your base turbogears app with custom middleware
+    app = FastCGIFixMiddleware(app, global_conf)
+    app = KinitMiddleware(app, global_conf)
     return app