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-rw-r--r--users/app/models/pgp_key.rb37
1 files changed, 30 insertions, 7 deletions
diff --git a/users/app/models/pgp_key.rb b/users/app/models/pgp_key.rb
index fddec1e..66f8660 100644
--- a/users/app/models/pgp_key.rb
+++ b/users/app/models/pgp_key.rb
@@ -1,25 +1,48 @@
class PgpKey
include ActiveModel::Validations
+ KEYBLOCK_IDENTIFIERS = [
+ '-----BEGIN PGP PUBLIC KEY BLOCK-----',
+ '-----END PGP PUBLIC KEY BLOCK-----',
+ ]
+
# mostly for testing.
- attr_accessor :key_block
+ attr_accessor :keyblock
+
+ validate :validate_keyblock_format
- def initialize(key_block = nil)
- @key_block = key_block
+ def initialize(keyblock = nil)
+ @keyblock = keyblock
end
def to_s
- @key_block
+ @keyblock
end
def present?
- @key_block.present?
+ @keyblock.present?
end
- # let's allow comparison with plain key_block strings.
+ # allow comparison with plain keyblock strings.
def ==(other)
self.equal?(other) or
- self.to_s == other
+ # relax the comparison on line ends.
+ self.to_s.tr_s("\n\r", '') == other.tr_s("\r\n", '')
+ end
+
+ protected
+
+ def validate_keyblock_format
+ if keyblock_identifier_missing?
+ errors.add :public_key_block,
+ "does not look like an armored pgp public key block"
+ end
+ end
+
+ def keyblock_identifier_missing?
+ KEYBLOCK_IDENTIFIERS.find do |identify|
+ !@keyblock.include?(identify)
+ end
end
end