diff -r 4059dbe9f26a -r 18e93dbdaf12 ruleset.py
--- a/ruleset.py	Thu Jun 05 16:53:57 2008 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,95 +0,0 @@
-# Copyright 2008 LShift Ltd
-# Author(s):
-# Paul Crowley <paul@lshift.net>
-#
-# This software may be used and distributed according to the terms
-# of the GNU General Public License, incorporated herein by reference.
-
-import sys
-import re
-
-allowedchars = "A-Za-z0-9_-"
-
-goodpathre = re.compile("([%s]+/)*[%s]+$" % (allowedchars, allowedchars))
-def goodpath(path):
-    return goodpathre.match(path) is not None
-
-goodglobre = re.compile("[*/%s]+$" % allowedchars)
-
-def goodglob(pattern):
-    return goodglobre.match(pattern) is not None
-
-# Don't put anything except *A-Za-z0-9_- in rule globs or   
-# it will match nothing.  No regexp metachars, not even .
-# We may fix this later.
-def globmatcher(pattern):
-    if not goodglob(pattern):
-        #fail("Bad glob pattern in auth config: %s" % pattern)
-        # FIXME: report it somehow
-        return lambda x: False
-    # Substitution cunning so ** can be different from *
-    pattern = pattern.replace("*", "[]")
-    pattern = pattern.replace("[][]", "[/%s]*" % allowedchars)
-    pattern = pattern.replace("[]", "[%s]*" % allowedchars)
-    rex = re.compile(pattern + "$")
-    # None matches everything
-    return lambda x: x is None or rex.match(x) is not None
-
-def rule(pairs):
-    matchers = [(k, globmatcher(v)) for k, v in pairs]
-    def c(**kw):
-        for k, m in matchers:
-            if k not in kw or not m(kw[k]):
-                return False
-        return True
-    return c
-
-class Ruleset(object):
-    '''Class representing the rules in a rule file'''
-    
-    levels = ["init", "write", "read", "deny"]
-
-    def __init__(self):
-        # The user called "root" automatically has the highest
-        # privilege
-        self.rules = [(self.levels[0], rule([('user', 'root')]))]
-        self.preset = {}
-
-    def add(self, action, conditions):
-        self.rules.append((action, conditions))
-
-
-    def set(self, **kw):
-        self.preset.update(kw)
-        
-    def matchrule(self, **kw):
-        d = self.preset.copy()
-        d.update(**kw)
-        for a, c in self.rules:
-            if c(**d):
-                return a
-        return None
-
-    def allow(self, level, **kw):
-        a = self.matchrule(**kw)
-        return a in self.levels and self.levels.index(a) <= self.levels.index(level)
-    
-    @classmethod
-    def readfile(cls, fn):
-        res = cls()
-        try:
-            f = open(fn)
-            try:
-                for l in f:
-                    l = l.strip()
-                    if len(l) == 0 or l.startswith("#"):
-                        continue
-                    l = l.split()
-                    res.add(l[0], rule([c.split("=", 1) for c in l[1:]]))
-            finally:
-                f.close()
-        except Exception, e:
-            print >> sys.stderr, "Failure reading rules file:", e
-            return cls()
-        return res
-