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Make noauth actually work.
[bluechips.git] / bluechips / config / middleware.py
1 """Pylons middleware initialization"""
2 from beaker.middleware import CacheMiddleware, SessionMiddleware
3 from paste.cascade import Cascade
4 from paste.registry import RegistryManager
5 from paste.urlparser import StaticURLParser
6 from paste.auth.basic import AuthBasicHandler
7 from paste.deploy.converters import asbool
8 from pylons import config
9 from pylons.middleware import ErrorHandler, StatusCodeRedirect
10 from pylons.wsgiapp import PylonsApp
11 from routes.middleware import RoutesMiddleware
12
13 import authkit.authorize
14
15 from bluechips.config.environment import load_environment
16
17 from bluechips.lib.permissions import (BlueChipUser, DummyAuthenticate,
18                                        authenticate)
19
20 def make_app(global_conf, full_stack=True, **app_conf):
21     """Create a Pylons WSGI application and return it
22
23     ``global_conf``
24         The inherited configuration for this application. Normally from
25         the [DEFAULT] section of the Paste ini file.
26
27     ``full_stack``
28         Whether or not this application provides a full WSGI stack (by
29         default, meaning it handles its own exceptions and errors).
30         Disable full_stack when this application is "managed" by
31         another WSGI middleware.
32
33     ``app_conf``
34         The application's local configuration. Normally specified in the
35         [app:<name>] section of the Paste ini file (where <name>
36         defaults to main).
37     """
38     # Configure the Pylons environment
39     load_environment(global_conf, app_conf)
40
41     # The Pylons WSGI app
42     app = PylonsApp()
43     
44     # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
45     if not asbool(app_conf.get('noauth')):
46         app = authkit.authorize.middleware(app, BlueChipUser())
47     
48     # Routing/Session/Cache Middleware
49     app = RoutesMiddleware(app, config['routes.map'])
50     app = SessionMiddleware(app, config)
51     app = CacheMiddleware(app, config)
52     
53     if asbool(full_stack):
54         # Handle Python exceptions
55         app = ErrorHandler(app, global_conf, **config['pylons.errorware'])
56
57         # Display error documents for 401, 403, 404 status codes (and
58         # 500 when debug is disabled)
59         status_codes = [400, 401, 403, 404]
60         if not asbool(config.get('debug')):
61             status_codes.append(500)
62         app = StatusCodeRedirect(app, status_codes)
63
64     # Establish the Registry for this application
65     app = RegistryManager(app)
66
67     # Static files (If running in production, and Apache or another web 
68     # server is handling this static content, remove the following 3 lines)
69     static_app = StaticURLParser(config['pylons.paths']['static_files'])
70     app = Cascade([static_app, app])
71     if not asbool(app_conf.get('noauth')):
72         app = AuthBasicHandler(app, 'BlueChips', authenticate)
73         app = DummyAuthenticate(app, app_conf)
74     return app