module Grack class Auth < Rack::Auth::Basic attr_accessor :user, :project def call(env) @env = env @request = Rack::Request.new(env) @auth = Request.new(env) # Pass Gitolite update hook ENV['GL_BYPASS_UPDATE_HOOK'] = "true" # Need this patch due to the rails mount @env['PATH_INFO'] = @request.path @env['SCRIPT_NAME'] = "" return render_not_found unless project return unauthorized unless project.public || @auth.provided? return bad_request if @auth.provided? && !@auth.basic? if valid? if @auth.provided? @env['REMOTE_USER'] = @auth.username end return @app.call(env) else unauthorized end end def valid? if @auth.provided? # Authentication with username and password login, password = @auth.credentials self.user = User.find_by_email(login) || User.find_by_username(login) return false unless user.try(:valid_password?, password) # Set GL_USER env variable ENV['GL_USER'] = user.email end # Git upload and receive if @request.get? validate_get_request elsif @request.post? validate_post_request else false end end def validate_get_request project.public || can?(user, :download_code, project) end def validate_post_request if @request.path_info.end_with?('git-upload-pack') project.public || can?(user, :download_code, project) elsif @request.path_info.end_with?('git-receive-pack') action = if project.protected_branch?(current_ref) :push_code_to_protected_branches else :push_code end can?(user, action, project) else false end end def can?(object, action, subject) abilities.allowed?(object, action, subject) end def current_ref if @env["HTTP_CONTENT_ENCODING"] =~ /gzip/ input = Zlib::GzipReader.new(@request.body).read else input = @request.body.read end # Need to reset seek point @request.body.rewind /refs\/heads\/([\w\.-]+)/.match(input).to_a.first end def project unless instance_variable_defined? :@project # Find project by PATH_INFO from env if m = /^\/([\w\.\/-]+)\.git/.match(@request.path_info).to_a @project = Project.find_with_namespace(m.last) end end return @project end PLAIN_TYPE = {"Content-Type" => "text/plain"} def render_not_found [404, PLAIN_TYPE, ["Not Found"]] end protected def abilities @abilities ||= begin abilities = Six.new abilities << Ability abilities end end end# Auth end# Grack