#!/usr/bin/env python

#

# Copyright 2008 LShift Ltd

# Copyright 2005-2007 by Intevation GmbH <intevation@intevation.de>

# Author(s):

# Thomas Arendsen Hein <thomas@intevation.de>

#

# This software may be used and distributed according to the terms

# of the GNU General Public License, incorporated herein by reference.

"""

"""

# enable importing on demand to reduce startup time

from mercurial import demandimport; demandimport.enable()

from mercurial import dispatch

import sys, os, re

def fail(message):

    #logfile.write("Fail: %s\n" % message)

    sys.stderr.write(message + "\n")

    sys.exit(-1)

allowedchars = "A-Za-z0-9_.-"

goodpathre = re.compile("([%s]+/)*[%s]+$" % (allowedchars, allowedchars))

def goodpath(path):

    if goodpathre.match(path) is None:

        fail("Disallowing path: %s" % path)

# Don't put anything except *A-Za-z0-9_- in rule globs or

# you'll probably break security.  No regexp metachars, not even .

# We may fix this later.

goodglobre = re.compile("[*/%s]+$" % allowedchars)

def globmatch(pattern, match):

    if goodglobre.match(pattern) is None:

        fail("Bad glob pattern in auth config: %s" % pattern)

    pattern = pattern.replace(".", r'\.')

    pattern = pattern.replace("*", "[%s]*" % allowedchars)

    return re.compile(pattern + "$").match(match) is not None

    goodpath(keyname)

    goodpath(path)

    try:

        for l in f:

            l = l.strip()

            if l == "" or l.startswith("#"):

                continue

            rule, rk, rp = l.split()

            if globmatch(rk, keyname) and globmatch(rp, path):

                #logfile.write("Used rule: %s\n" % l)

                return rule in applicable

        return False

    finally:

        f.close()

    if cmd.startswith('hg -R ') and cmd.endswith(' serve --stdio'):

        path = cmd[6:-14]

            return ['-R', path, 'serve', '--stdio']

    elif cmd.startswith('hg init '):

        path = cmd[8:]

            return ['init', path]

    fail("Illegal command %r" % cmd)

#logfile = open("/tmp/hg-ssh.%d.txt" % os.getpid(), "w")

#logfile.write("Started: %s\n" % sys.argv)

        % sys.argv)

dispatch.dispatch(todispatch)