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#!/usr/bin/env python
# vim: set filencoding=utf8
"""
Mercurial Shared SSH Login Validator
@author: Mike Crute (mcrute@gmail.com)
@organization: SoftGroup Hosting
@date: February 23, 2011
"""
import re
import os
import repolib
from mercurial import demandimport; demandimport.enable()
from mercurial import dispatch
def parse_path():
cmd = os.environ.get('SSH_ORIGINAL_COMMAND', '')
path = re.match("hg -R (\S+) serve --stdio", cmd)
if path:
return path.groups()[0]
return None
def main(argv):
log = repolib.get_logger('validate-login')
user = argv[-1]
path = parse_path()
log.info("Validating login for %r on %r", user, path)
if path:
repo = repolib.Repository(path)
repo.repo_path = os.getcwd()
else:
log.error("Invalid command")
return 1
if not repo.exists:
log.error("Repo %s does not exist", repo.full_path)
return 1
try:
repo.load_from_hgrc()
except IOError:
log.error("Could not read repo config")
return 1
if not repo.can_be_read_by(user):
log.error("You can not read this repository")
return 1
os.environ['SSH_HG_USER'] = user
os.environ['SSH_HG_REPO'] = repo.full_path
log.info("All checks passed, serving.")
dispatch.dispatch(['-R', path, 'serve', '--stdio'])
if __name__ == "__main__":
import sys
sys.exit(main(sys.argv[1:]))
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