59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
# -*-python-*-
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#
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# Copyright (C) 2008 The ViewCVS Group. All Rights Reserved.
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#
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# By using this file, you agree to the terms and conditions set forth in
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# the LICENSE.html file which can be found at the top level of the ViewVC
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# distribution or at http://viewvc.org/license-1.html.
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#
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# For more information, visit http://viewvc.org/
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#
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# -----------------------------------------------------------------------
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import vcauth
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import vclib
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import fnmatch
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import string
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import re
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def _split_regexp(restr):
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"""Return a 2-tuple consisting of a compiled regular expression
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object and a boolean flag indicating if that object should be
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interpreted inversely."""
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if restr[0] == '!':
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return re.compile(restr[1:]), 1
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return re.compile(restr), 0
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class ViewVCAuthorizer(vcauth.GenericViewVCAuthorizer):
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"""A simple regular-expression-based authorizer."""
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def __init__(self, username, params={}):
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forbidden = params.get('forbiddenre', '')
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self.forbidden = map(lambda x: _split_regexp(string.strip(x)),
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filter(None, string.split(forbidden, ',')))
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def _check_root_path_access(self, root_path):
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default = 1
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for forbidden, negated in self.forbidden:
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if negated:
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default = 0
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if forbidden.search(root_path):
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return 1
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elif forbidden.search(root_path):
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return 0
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return default
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def check_root_access(self, rootname):
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return self._check_root_path_access(rootname)
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def check_path_access(self, rootname, path_parts, pathtype, rev=None):
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root_path = rootname
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if path_parts:
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root_path = root_path + '/' + string.join(path_parts, '/')
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if pathtype == vclib.DIR:
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root_path = root_path + '/'
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else:
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root_path = root_path + '/'
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return self._check_root_path_access(root_path)
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