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.



11
12
13
14
15
16
17
 
# 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 



72
73
74
75
76
77
78
79
 
# 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 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# 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 = <<-END
    gpg --batch --gen-key --homedir #{@keyring} <<EOF
    Key-Type: RSA
    Key-Length: 2048
    Subkey-Type: ELG-E
    Subkey-Length: 2048
    Name-Real: #{name}
    Name-Email: #{mail}
    #{passphrase}
    Expire-Date: 0
    %commit
EOF
END
  # 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 



65
66
67
68
69
70
 
# 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