Class: Dr::GnuPG

Inherits:
Object
  • Object
show all
Includes:
Logger
Defined in:
lib/dr/gnupg.rb

Instance Method Summary collapse

Methods included from Logger

#log, log, set_logfile, set_verbosity, #tag

Constructor Details

#initialize(keyring) ⇒ GnuPG

Returns a new instance of GnuPG.



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# File 'lib/dr/gnupg.rb', line 11

def initialize(keyring)
  @keyring = keyring

  # initialise the keyring
  FileUtils.mkdir_p @keyring
  FileUtils.chmod_R 0700, @keyring
end

Instance Method Details

#export_pub(key, location) ⇒ Object 



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# File 'lib/dr/gnupg.rb', line 72

def export_pub(key, location)
  # TODO: Remove the key before exporting (so gpg doesn't ask about it)
  log(:info, tag("gpg", "Exporting key"))
  cmd = "gpg --armor --homedir #{@keyring} \
             --output #{location} \
             --export #{key}"
  gpg_cmd = ShellCmd.new cmd, :tag => "gpg"
end

#generate_key(name, mail, pass) ⇒ Object 



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# File 'lib/dr/gnupg.rb', line 19

def generate_key(name, mail, pass)
  #kill_rngd = false
  #unless File.exists? "/var/run/rngd.pid"
  #  print "Starting rngd (root permissions required) ... "
  #  Kernel.system "sudo rngd -p #{@keyring}/rngd.pid -r /dev/urandom"
  #  kill_rngd = true
  #  puts "[OK]"
  #end

  log(:info, tag("gpg", "Generating the GPG key"))

  passphrase = "Passphrase: #{pass}" if pass.length > 0
  cmd = "    gpg --batch --gen-key --homedir \#{@keyring} <<EOF\n    Key-Type: RSA\n    Key-Length: 2048\n    Subkey-Type: ELG-E\n    Subkey-Length: 2048\n    Name-Real: \#{name}\n    Name-Email: \#{mail}\n    \#{passphrase}\n    Expire-Date: 0\n    %commit\nEOF\n"
  # TODO: Add timeout to this one
  gpg_cmd = ShellCmd.new cmd, :tag => "gpg"

  cmd = "gpg --list-keys --with-colons --homedir #{@keyring}"
  gpg_cmd = ShellCmd.new cmd, :tag => "gpg"
  key_list = gpg_cmd.out.split "\n"
  key_entry = key_list.grep(/^pub/).grep(/#{name}/).grep(/#{mail}/)
  key = key_entry[0].split(":")[4][8..-1]

  log(:info, tag("gpg", "Key done"))

  #if kill_rngd
  #  print "Stopping rngd (root permissions required) ... "
  #  Kernel.system "sudo kill `cat #{@keyring}/rngd.pid`"
  #  Kernel.system "sudo rm -f #{@keyring}/rngd.pid"
  #  puts "[OK]"
  #end

  key
end

#get_key_id(key) ⇒ Object 



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# File 'lib/dr/gnupg.rb', line 65

def get_key_id(key)
  cmd = "gpg --homedir #{@keyring} --with-colons --list-public-keys #{key}"
  gpg = ShellCmd.new cmd, :tag => "gpg"

  gpg.out.lines.grep(/^pub/)[0].split(":")[9]
end