Created
May 25, 2011 01:00
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basic auth middleware
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| AUTH_RESPONSE_BODY = """<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> | |
| <html lang="ja"> | |
| <head> | |
| <title>401 Authorization Required</title> | |
| </head> | |
| <body>401 Authorization Required</body> | |
| </html>""" | |
| def auth_required_app(environ, start_response, relm): | |
| start_response('401 Authorization Required', [ | |
| ('WWW-Authenticate', 'Basic realm="%s"' % relm), | |
| ('Content-Type', 'text/html; charset=iso-8859-1'), | |
| ]) | |
| return AUTH_RESPONSE_BODY | |
| class AuthMiddleware(object): | |
| def __init__(self, application, relm, username, password): | |
| self.application = application | |
| self.relm = relm | |
| self.username = username | |
| self.password = password | |
| def get_token(self): | |
| import base64 | |
| return base64.b64encode('%s:%s' % (self.username, self.password)) | |
| def get_auth_basic_header(self): | |
| return 'Basic %s' % self.get_token() | |
| def __call__(self, environ, start_response): | |
| auth_header = environ.get('HTTP_AUTHORIZATION') | |
| if auth_header and auth_header == self.get_auth_basic_header(): | |
| return self.application(environ, start_response) | |
| return auth_required_app(environ, start_response, self.relm) |
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