99 lines
2.6 KiB
Ruby
Executable file
99 lines
2.6 KiB
Ruby
Executable file
#!/usr/bin/env ruby
|
|
|
|
# frozen_string_literal: true
|
|
|
|
require 'digest'
|
|
require 'fileutils'
|
|
|
|
if ENV['NO_COLOR']
|
|
SHELL_RED = ''
|
|
SHELL_GREEN = ''
|
|
SHELL_YELLOW = ''
|
|
SHELL_CLEAR = ''
|
|
else
|
|
SHELL_RED = "\e[1;31m"
|
|
SHELL_GREEN = "\e[1;32m"
|
|
SHELL_YELLOW = "\e[1;33m"
|
|
SHELL_CLEAR = "\e[0m"
|
|
end
|
|
|
|
HOOK_PATH = File.expand_path("../.git/hooks/pre-push", __dir__)
|
|
HOOK_DATA = <<~HOOK
|
|
#!/bin/bash
|
|
|
|
set -e
|
|
|
|
url="$2"
|
|
harness=`dirname "$0"`/../security_harness
|
|
|
|
if [ -e "$harness" ]
|
|
then
|
|
if [[ ("$url" != *"dev.gitlab.org"*) && ("$url" != *"gitlab-org/security/"*) ]]
|
|
then
|
|
echo "Pushing to remotes other than dev.gitlab.org and gitlab.com/gitlab-org/security has been disabled!"
|
|
echo "Run scripts/security-harness to disable this check."
|
|
echo
|
|
|
|
exit 1
|
|
fi
|
|
fi
|
|
HOOK
|
|
|
|
def write_hook
|
|
FileUtils.mkdir_p(File.dirname(HOOK_PATH))
|
|
File.open(HOOK_PATH, 'w') do |file|
|
|
file.write(HOOK_DATA)
|
|
end
|
|
File.chmod(0755, HOOK_PATH)
|
|
end
|
|
|
|
# Toggle the harness on or off
|
|
def toggle
|
|
harness_path = File.expand_path('../.git/security_harness', __dir__)
|
|
|
|
if File.exist?(harness_path)
|
|
FileUtils.rm(harness_path)
|
|
|
|
puts "#{SHELL_YELLOW}Security harness removed -- you can now push to all remotes.#{SHELL_CLEAR}"
|
|
else
|
|
FileUtils.touch(harness_path)
|
|
|
|
puts "#{SHELL_GREEN}Security harness installed -- you will only be able to push to dev.gitlab.org or gitlab.com/gitlab-org/security!#{SHELL_CLEAR}"
|
|
end
|
|
end
|
|
|
|
# If we were to change the script and then check for a pre-existing hook before
|
|
# writing, the check would fail even if the user had an unmodified version of
|
|
# the old hook. Checking previous version hashes allows us to safely overwrite a
|
|
# script that differs from the current version, as long as it's an old one and
|
|
# not custom.
|
|
def previous_version?(dest_sum)
|
|
# SHA256 hashes of previous iterations of the script contained in `DATA`
|
|
%w[
|
|
010bf0363a911ebab2bd5728d80795ed02388da51815f0b2530d08ae8ac574f0
|
|
].include?(dest_sum)
|
|
end
|
|
|
|
if !File.exist?(HOOK_PATH)
|
|
write_hook
|
|
toggle
|
|
else
|
|
# Deal with a pre-existing hook
|
|
source_sum = Digest::SHA256.hexdigest(HOOK_DATA)
|
|
dest_sum = Digest::SHA256.file(HOOK_PATH).hexdigest
|
|
|
|
if previous_version?(dest_sum)
|
|
# Upgrading from a previous version, update in-place
|
|
write_hook
|
|
toggle
|
|
elsif source_sum != dest_sum
|
|
# Pre-existing hook we didn't create; do nothing
|
|
puts "#{SHELL_RED}#{HOOK_PATH} exists and is different from our hook!"
|
|
puts "Remove it and re-run this script to continue.#{SHELL_CLEAR}"
|
|
|
|
exit 1
|
|
else
|
|
# No hook update needed, just toggle
|
|
toggle
|
|
end
|
|
end
|