require 'gpgme' # # notes: # # file ~/.gnupg/00440025.asc # /home/elijah/.gnupg/00440025.asc: PGP public key block # # file ~/.ssh/id_rsa.pub # /home/elijah/.ssh/id_rsa.pub: OpenSSH RSA public key # module LeapCli module Commands desc 'adds a new trusted sysadmin' arg_name '', :optional => false, :multiple => false command :'add-user' do |c| c.switch 'self', :desc => 'lets you choose among your public keys', :negatable => false c.flag 'ssh-pub-key', :desc => 'SSH public key file for this new user' c.flag 'pgp-pub-key', :desc => 'OpenPGP public key file for this new user' c.action do |global_options,options,args| username = args.first if !username.any? && !options[:self] help! "Either 'username' or --self is required." end ssh_pub_key = nil pgp_pub_key = nil if options['ssh-pub-key'] ssh_pub_key = read_file!(options['ssh-pub-key']) end if options['pgp-pub-key'] pgp_pub_key = read_file!(options['pgp-pub-key']) end if options[:self] username ||= `whoami`.strip ssh_pub_key ||= pick_ssh_key pgp_pub_key ||= pick_pgp_key end assert!(ssh_pub_key, 'Sorry, could not find SSH public key.') assert!(pgp_pub_key, 'Sorry, could not find OpenPGP public key.') if ssh_pub_key write_file!(:user_ssh, username, ssh_pub_key) end if pgp_pub_key write_file!(:user_pgp, username, pgp_pub_key) end end end # # let the the user choose among the ssh public keys that we encounter, or just pick the key if there is only one. # def pick_ssh_key assert_bin! 'ssh-add' ssh_fingerprints = `ssh-add -l`.split("\n").compact assert! ssh_fingerprints.any?, 'Sorry, could not find any SSH public key for you. Have you run ssh-keygen?' if ssh_fingerprints.length > 1 key_index = numbered_choice_menu('Choose your SSH public key', ssh_fingerprints) do |key, i| say("#{i+1}. #{key}") end else key_index = 0 end ssh_keys = `ssh-add -L`.split("\n").compact return ssh_keys[key_index] end # # let the the user choose among the gpg public keys that we encounter, or just pick the key if there is only one. # def pick_pgp_key secret_keys = GPGME::Key.find(:secret) assert_bin! 'gpg' assert! secret_keys.any?, 'Sorry, could not find any OpenPGP keys for you.' if secret_keys.length > 1 key_index = numbered_choice_menu('Choose your OpenPGP public key', secret_keys) do |key, i| key_info = key.to_s.split("\n")[0..1].map{|line| line.sub(/^\s*(sec|uid)\s*/,'')}.join(' -- ') say("#{i+1}. #{key_info}") end else key_index = 0 end key_id = secret_keys[key_index].sha # can't use this, it includes signatures: #puts GPGME::Key.export(key_id, :armor => true, :export_options => :export_minimal) # export with signatures removed: return `gpg --armor --export-options export-minimal --export #{key_id}`.strip end end end