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require 'open3'
require 'net/http'
require_relative 'gitlab_config'
class GitlabShell
attr_accessor :username, :repo_name, :git_cmd, :repos_path, :repo_name
def initialize
@username = ARGV.shift
@origin_cmd = ENV['SSH_ORIGINAL_COMMAND']
@repos_path = GitlabConfig.new.repos_path
end
def exec
if @origin_cmd
parse_cmd
if git_cmds.include?(@git_cmd)
ENV['GL_USER'] = @username
if validate_access
process_cmd
end
else
puts 'Not allowed command'
end
else
puts "Welcome #{@username}!"
end
end
protected
def parse_cmd
args = @origin_cmd.split(' ')
@git_cmd = args.shift
@repo_name = args.shift
end
def git_cmds
%w(git-upload-pack git-receive-pack git-upload-archive)
end
def process_cmd
repo_full_path = File.join(repos_path, repo_name)
system("#{@git_cmd} #{repo_full_path}")
end
def validate_access
@ref_name = 'master' # just hardcode it cause we dont know ref
project_name = @repo_name.gsub("'", "")
project_name = project_name.gsub(/\.git$/, "")
url = "http://127.0.0.1:3000/api/v3/allowed?project=#{project_name}&username=#{@username}&action=#{@git_cmd}&ref=#{@ref_name}"
resp = Net::HTTP.get_response(URI.parse(url))
resp.code == '200' && resp.body == 'true'
end
end
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