diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/keyringer/crypt.rb | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/lib/keyringer/crypt.rb b/lib/keyringer/crypt.rb index 84f9ce6..1ec4126 100644 --- a/lib/keyringer/crypt.rb +++ b/lib/keyringer/crypt.rb @@ -1,6 +1,6 @@ require 'gpgme' -module Schleuder +module Keyringer # Wrapper for ruby-gpgme. Method naming is not strictly logical, this might # change but aliases will be set up then. class Crypt @@ -12,19 +12,29 @@ module Schleuder @ctx.set_passphrase_cb(method(:passfunc)) end + # TODO: use a logging facility + def debug(message) + puts message + end + + # TODO: use a logging facility + def error(message) + puts message + end + # Verify a gpg-signature. Use +signed_string+ if the signature is # detached. Returns a GPGME::SignatureResult def verify(sig, signed_string='') in_signed = '' if signed_string.empty? # verify +sig+ as cleartext (aka pgp/inline) signature - Schleuder.log.debug 'No extra signed_string, verifying cleartext signature' + debug 'No extra signed_string, verifying cleartext signature' output = GPGME.verify(sig) do |sig| in_signed = sig end else # verify detached signature - Schleuder.log.debug 'Verifying detached signature' + debug 'Verifying detached signature' # Don't know why we need a GPGME::Data object this time but without gpgme throws exceptions plain = GPGME::Data.new GPGME.verify(sig, signed_string, plain) do |sig| @@ -33,7 +43,7 @@ module Schleuder output = signed_string end - Schleuder.log.debug 'verify_result: ' + in_signed.inspect + debug 'verify_result: ' + in_signed.inspect [output, in_signed] end @@ -53,14 +63,14 @@ module Schleuder unless str =~ /^-----BEGIN PGP MESSAGE-----/ # match pgp-mime- and inline-pgp-signatures if str =~ /^-----BEGIN PGP SIG/ - Schleuder.log.debug 'found signed, not encrypted message, verifying' + debug 'found signed, not encrypted message, verifying' output, in_signed = verify(str) else - Schleuder.log.debug 'found not signed, not encrypted message, returning input' + debug 'found not signed, not encrypted message, returning input' output = str end else - Schleuder.log.debug 'found pgp content, decrypting and verifying with gpgme' + debug 'found pgp content, decrypting and verifying with gpgme' in_encrypted = true output = GPGME.decrypt(str, :passphrase_callback => method(:passfunc)) do |sig| in_signed = sig @@ -74,7 +84,7 @@ module Schleuder end # Encrypt a string to a single receiver and sign it. +receiver+ must be a - # Schleuder::Member + # Keyringer::Member def encrypt_str(str, receiver) # encypt and sign and return encrypted data as string key = receiver.key || receiver.email @@ -93,7 +103,7 @@ module Schleuder pattern = "<#{pattern}>" if pattern =~ /.*@.*/ k = list_keys(pattern) if k.length > 1 - Schleuder.log.error "There's more than one key matching the pattern you gave me!\nPattern: #{pattern}\nkeys: #{k.inspect}" + error "There's more than one key matching the pattern you gave me!\nPattern: #{pattern}\nkeys: #{k.inspect}" false else k.first |