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#!/usr/bin/env python
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# encoding: utf-8
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#
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# Copyright (c) 2010 marcink. All rights reserved.
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#
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"""
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Created on 2010-04-28
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@author: marcink
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SimpleHG middleware for handling mercurial protocol request (push/clone etc.)
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It's implemented with basic auth function
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"""
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from mercurial.hgweb import hgweb
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from mercurial.hgweb.request import wsgiapplication
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from paste.auth.basic import AuthBasicAuthenticator
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from paste.httpheaders import REMOTE_USER, AUTH_TYPE
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from pylons_app.lib.utils import is_mercurial
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from pylons_app.lib.auth import authfunc
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from pylons_app.lib.utils import make_ui, invalidate_cache
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from webob.exc import HTTPNotFound
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import os
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class SimpleHg(object):
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def __init__(self, application, config):
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self.application = application
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self.config = config
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#authenticate this mercurial request using
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realm = '%s %s' % (config['hg_app_name'], 'mercurial repository')
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self.authenticate = AuthBasicAuthenticator(realm, authfunc)
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def __call__(self, environ, start_response):
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if not is_mercurial(environ):
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return self.application(environ, start_response)
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else:
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#===================================================================
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# AUTHENTICATE THIS MERCURIAL REQUEST
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#===================================================================
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username = REMOTE_USER(environ)
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if not username:
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result = self.authenticate(environ)
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if isinstance(result, str):
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AUTH_TYPE.update(environ, 'basic')
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REMOTE_USER.update(environ, result)
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else:
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return result.wsgi_application(environ, start_response)
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try:
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repo_name = environ['PATH_INFO'].split('/')[1]
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except:
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return HTTPNotFound()(environ, start_response)
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#since we wrap into hgweb, just reset the path
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environ['PATH_INFO'] = '/'
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self.baseui = make_ui()
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self.basepath = self.baseui.configitems('paths')[0][1]\
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.replace('*', '')
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self.repo_path = os.path.join(self.basepath, repo_name)
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try:
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app = wsgiapplication(self._make_app)
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except Exception as e:
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return HTTPNotFound()(environ, start_response)
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"""we know that some change was made to repositories and we should
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invalidate the cache to see the changes right away"""
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invalidate_cache('full_changelog', repo_name)
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invalidate_cache('cached_repo_list')
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return app(environ, start_response)
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def _make_app(self):
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hgserve = hgweb(self.repo_path)
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return self.load_web_settings(hgserve)
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def load_web_settings(self, hgserve):
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repoui = make_ui(os.path.join(self.repo_path, '.hg', 'hgrc'), False)
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#set the global ui for hgserve
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hgserve.repo.ui = self.baseui
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if repoui:
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#set the repository based config
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hgserve.repo.ui = repoui
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return hgserve
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