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#!/usr/bin/env ruby
#--
# Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#++
incpath = File.dirname(__FILE__)
$: << incpath
require "pre_receive_guard"
require 'logger'
logger = if ENV["GITORIOUS_BASE_DIR"]
Logger.new(File.join(ENV["GITORIOUS_BASE_DIR"], "log/pre_receive_guard.log"))
else
Logger.new("/tmp/pre_receive_guard.log")
end
while data = gets
begin
pre_receive_guard = Gitorious::SSH::PreReceiveGuard.new(ENV.to_hash, data)
oldrev, newrev, ref = data.chomp.split(" ")
if pre_receive_guard.allow_push?
if pre_receive_guard.deny_merge_request_update_with_sha?(newrev)
# it's a request to delete a merge request ref
logger.info("delete-merge-request.ref denied for #{ENV['GITORIOUS_USER'].inspect}" +
" to #{pre_receive_guard.git_spec.inspect} via " +
"#{ENV['GITORIOUS_WRITABLE_BY_URL'].inspect}")
pre_receive_guard.gitorious_says "You can't delete a merge-request ref"
exit!(1)
end
if pre_receive_guard.deny_force_pushes?
if pre_receive_guard.null_sha?(newrev)
# it's a request to delete a ref
logger.info("delete-ref denied for #{ENV['GITORIOUS_USER'].inspect} to " +
"#{pre_receive_guard.git_spec.inspect} via " +
"#{ENV['GITORIOUS_WRITABLE_BY_URL'].inspect}")
pre_receive_guard.gitorious_says "This repository does not allow deleting refs"
exit!(1)
end
merge_base = `git merge-base #{oldrev} #{newrev}`.chomp
if merge_base != oldrev
# it's a force-push
logger.info("force-push denied for #{ENV['GITORIOUS_USER'].inspect} to " +
"#{pre_receive_guard.git_spec.inspect} via "+
"#{ENV['GITORIOUS_WRITABLE_BY_URL'].inspect}")
pre_receive_guard.gitorious_says "This repository does only allow fast-forwards"
exit!(1)
end
end
# If we get here, everything should be good to go and we
# wait for the next line to be fed to us, or just let this
# script finish..
logger.info("Allowed #{ENV['GITORIOUS_USER'].inspect} to " +
"#{pre_receive_guard.git_spec.inspect} via " +
"#{ENV['GITORIOUS_WRITABLE_BY_URL'].inspect}")
else
pre_receive_guard.gitorious_says "You do not have write access to this repository"
logger.info("Denied #{ENV['GITORIOUS_USER'].inspect} to " +
"#{pre_receive_guard.git_spec.inspect} via " +
"#{ENV['GITORIOUS_WRITABLE_BY_URL'].inspect}")
exit!(1)
end
rescue Errno::ECONNREFUSED
logger.fatal "Connection refused"
pre_receive_guard.gitorious_says "Temporary interuption. Please try again shortly"
exit!(1)
end
end
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