Allow full length GPG key fingerprints.

lib/puppet/provider/apt_key/apt_key.rb

@@ -13,42 +13,53 @@
 
 Puppet::Type.type(:apt_key).provide(:apt_key) do
 
-  KEY_LINE = {
-    :date     => '[0-9]{4}-[0-9]{2}-[0-9]{2}',
-    :key_type => '(R|D)',
-    :key_size => '\d{4}',
-    :key_id   => '[0-9a-fA-F]+',
-    :expires  => 'expire(d|s)',
-  }
-
   confine    :osfamily => :debian
   defaultfor :osfamily => :debian
   commands   :apt_key  => 'apt-key'
 
   def self.instances
+    cli_args = ['adv','--list-keys', '--with-colons', '--fingerprint']
+
     if RUBY_VERSION > '1.8.7'
-      key_output = apt_key('list').encode('UTF-8', 'binary', :invalid => :replace, :undef => :replace, :replace => '')
+      key_output = apt_key(cli_args).encode('UTF-8', 'binary', :invalid => :replace, :undef => :replace, :replace => '')
     else
-      key_output = apt_key('list')
+      key_output = apt_key(cli_args)
     end
+
+    pub_line, fpr_line = nil
+
     key_array = key_output.split("\n").collect do |line|
-      line_hash = key_line_hash(line)
-      next unless line_hash
+      if line.start_with?('pub')
+          pub_line = line
+      elsif line.start_with?('fpr')
+          fpr_line = line
+      end
+
+      next unless (pub_line and fpr_line)
+
+      line_hash = key_line_hash(pub_line, fpr_line)
+
+      # reset everything
+      pub_line, fpr_line = nil
+
       expired = false
 
       if line_hash[:key_expiry]
         expired = Date.today > Date.parse(line_hash[:key_expiry])
       end
 
       new(
-        :name    => line_hash[:key_id],
-        :id      => line_hash[:key_id],
-        :ensure  => :present,
-        :expired => expired,
-        :expiry  => line_hash[:key_expiry],
-        :size    => line_hash[:key_size],
-        :type    => line_hash[:key_type] == 'R' ? :rsa : :dsa,
-        :created => line_hash[:key_created]
+        :name        => line_hash[:key_fingerprint],
+        :id          => line_hash[:key_fingerprint],
+        :fingerprint => line_hash[:key_fingerprint],
+        :short       => line_hash[:key_short],
+        :long        => line_hash[:key_long],
+        :ensure      => :present,
+        :expired     => expired,
+        :expiry      => line_hash[:key_expiry],
+        :size        => line_hash[:key_size],
+        :type        => line_hash[:key_type],
+        :created     => line_hash[:key_created]
       )
     end
     key_array.compact!
@@ -57,59 +68,46 @@ def self.instances
   def self.prefetch(resources)
     apt_keys = instances
     resources.keys.each do |name|
-      if name.length == 16
-        shortname=name[8..-1]
-      else
-        shortname=name
-      end
-      if provider = apt_keys.find{ |key| key.name == shortname }
-        resources[name].provider = provider
+      if name.length == 40
+        if provider = apt_keys.find{ |key| key.fingerprint == name }
+          resources[name].provider = provider
+        end
+      elsif name.length == 16
+        if provider = apt_keys.find{ |key| key.long == name }
+          resources[name].provider = provider
+        end
+      elsif name.length == 8
+        if provider = apt_keys.find{ |key| key.short == name }
+          resources[name].provider = provider
+        end
       end
     end
   end
 
-  def self.key_line_hash(line)
-    line_array = line.match(key_line_regexp).to_a
-    return nil if line_array.length < 5
+  def self.key_line_hash(pub_line, fpr_line)
+    pub_split = pub_line.split(':')
+    fpr_split = fpr_line.split(':')
 
+    fingerprint = fpr_split.last
     return_hash = {
-      :key_id      => line_array[3],
-      :key_size    => line_array[1],
-      :key_type    => line_array[2],
-      :key_created => line_array[4],
-      :key_expiry  => nil,
+      :key_fingerprint => fingerprint,
+      :key_long        => fingerprint[-16..-1], # last 16 characters of fingerprint
+      :key_short       => fingerprint[-8..-1], # last 8 characters of fingerprint
+      :key_size        => pub_split[2],
+      :key_type        => nil,
+      :key_created     => pub_split[5],
+      :key_expiry      => pub_split[6].empty? ? nil : pub_split[6],
     }
 
-    return_hash[:key_expiry] = line_array[7] if line_array.length == 8
-    return return_hash
-  end
+    # set key type based on types defined in /usr/share/doc/gnupg/DETAILS.gz
+    case pub_split[3]
+    when "1"
+      return_hash[:key_type] = :rsa
+    when "17"
+      return_hash[:key_type] = :dsa
+    end
 
-  def self.key_line_regexp
-    # This regexp is trying to match the following output
-    # pub   4096R/4BD6EC30 2010-07-10 [expires: 2016-07-08]
-    # pub   1024D/CD2EFD2A 2009-12-15
-    regexp = /\A
-      pub  # match only the public key, not signatures
-      \s+  # bunch of spaces after that
-      (#{KEY_LINE[:key_size]})  # size of the key, usually a multiple of 1024
-      #{KEY_LINE[:key_type]}  # type of the key, usually R or D
-      \/  # separator between key_type and key_id
-      (#{KEY_LINE[:key_id]})  # hex id of the key
-      \s+  # bunch of spaces after that
-      (#{KEY_LINE[:date]})  # date the key was added to the keyring
-      # following an optional block which indicates if the key has an expiration
-      # date and if it has expired yet
-      (
-        \s+  # again with thes paces
-        \[  # we open with a square bracket
-        #{KEY_LINE[:expires]}  # expires or expired
-        \:  # a colon
-        \s+  # more spaces
-        (#{KEY_LINE[:date]})  # date indicating key expiry
-        \]  # we close with a square bracket
-      )?  # end of the optional block
-      \Z/x
-      regexp
+    return return_hash
   end
 
   def source_to_file(value)

lib/puppet/type/apt_key.rb

@@ -28,8 +28,8 @@
   newparam(:id, :namevar => true) do
     desc 'The ID of the key you want to manage.'
     # GPG key ID's should be either 32-bit (short) or 64-bit (long) key ID's
-    # and may start with the optional 0x
-    newvalues(/\A(0x)?[0-9a-fA-F]{8}\Z/, /\A(0x)?[0-9a-fA-F]{16}\Z/)
+    # and may start with the optional 0x, or they can be 40-digit key fingerprints
+    newvalues(/\A(0x)?[0-9a-fA-F]{8}\Z/, /\A(0x)?[0-9a-fA-F]{16}\Z/, /\A(0x)?[0-9a-fA-F]{40}\Z/)
     munge do |value|
       if value.start_with?('0x')
         id = value.partition('0x').last.upcase
@@ -66,6 +66,30 @@
     desc 'Additional options to pass to apt-key\'s --keyserver-options.'
   end
 
+  newproperty(:fingerprint) do
+    desc <<-EOS
+      The 40-digit hexadecimal fingerprint of the specified GPG key.
+
+      This property is read-only.
+    EOS
+  end
+
+  newproperty(:long) do
+    desc <<-EOS
+      The 16-digit hexadecimal id of the specified GPG key.
+
+      This property is read-only.
+    EOS
+  end
+
+  newproperty(:short) do
+    desc <<-EOS
+      The 8-digit hexadecimal id of the specified GPG key.
+
+      This property is read-only.
+    EOS
+  end
+
   newproperty(:expired) do
     desc <<-EOS
       Indicates if the key has expired.

manifests/key.pp

@@ -10,9 +10,11 @@
 # [*key*]
 #   _default_: +$title+, the title/name of the resource
 #
-#   Is a GPG key ID. This key ID is validated with a regex enforcing it
-#   to only contain valid hexadecimal characters, be precisely 8 or 16
-#   characters long and optionally prefixed with 0x.
+#   Is a GPG key ID or full key fingerprint. This value is validated with
+#   a regex enforcing it to only contain valid hexadecimal characters, be
+#   precisely 8 or 16 hexadecimal characters long and optionally prefixed
+#   with 0x for key IDs, or 40 hexadecimal characters long for key
+#   fingerprints.
 #
 # [*ensure*]
 #   _default_: +present+
@@ -57,7 +59,7 @@
   $key_options = undef,
 ) {
 
-  validate_re($key, ['\A(0x)?[0-9a-fA-F]{8}\Z', '\A(0x)?[0-9a-fA-F]{16}\Z'])
+  validate_re($key, ['\A(0x)?[0-9a-fA-F]{8}\Z', '\A(0x)?[0-9a-fA-F]{16}\Z', '\A(0x)?[0-9a-fA-F]{40}\Z'])
   validate_re($ensure, ['\Aabsent|present\Z',])
 
   if $key_content {