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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 '<username>', :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
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