access.py
author Paul Crowley <paul@lshift.net>
Tue, 22 Apr 2008 12:55:56 +0100
changeset 19 62ee928ac9b3
parent 18 538d6b198f4a
child 23 9fa62cfd2821
permissions -rw-r--r--
fixes following actual testing
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# Copyright 2008 LShift Ltd
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# Authors:
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# Paul Crowley <paul@lshift.net>
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# Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms
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# of the GNU General Public License, incorporated herein by reference.
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from mercurial.i18n import _
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from mercurial.node import *
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from mercurial import util
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import os
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import ruleset
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class Checker(object):
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    '''acl checker.'''
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    def __init__(self, ui, repo):
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        self.ui = ui
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        self.repo = repo
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        self.repo_path = os.environ['HG_REPO_PATH']
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        self.user = os.environ['REMOTE_USER']
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        self.rules = ruleset.Ruleset.readfile(os.environ['HG_ACCESS_RULES_FILE'])
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    def check(self, node):
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        '''return if access allowed, raise exception if not.'''
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        files = self.repo.changectx(node).files()
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        for f in files:
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            if not self.rules.allow("write", user=self.user, repo=self.repo_path, file=f):
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                self.ui.debug(_('%s: user %s not allowed on %s\n') %
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                              (__name__, self.getuser(), f))
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                raise util.Abort(_('%s: access denied for changeset %s') %
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                                 (__name__, short(node)))
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        self.ui.debug(_('%s: allowing changeset %s\n') % (__name__, short(node)))
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def hook(ui, repo, hooktype, node=None, source=None, **kwargs):
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    if hooktype != 'pretxnchangegroup':
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        raise util.Abort(_('config error - hook type "%s" cannot stop '
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                           'incoming changesets') % hooktype)
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    c = Checker(ui, repo)
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    start = repo.changelog.rev(bin(node))
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    end = repo.changelog.count()
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    for rev in xrange(start, end):
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        c.check(repo.changelog.node(rev))
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