about summary refs log tree commit diff
path: root/app/validators
diff options
context:
space:
mode:
authorThibG <thib@sitedethib.com>2020-06-09 13:00:24 +0200
committerGitHub <noreply@github.com>2020-06-09 13:00:24 +0200
commit3287a10fe9658a6c370431a925abc50d4f68ea08 (patch)
tree88a408a943aa421a6ba844d309f673150cd92434 /app/validators
parentf328f2faa3fbdb182921366c6a20e745c069b840 (diff)
parente9d7ca7645fc37534df1222e8d7ab8f3d533b852 (diff)
Merge pull request #1350 from ThibG/glitch-soc/merge-upstream
Merge upstream changes
Diffstat (limited to 'app/validators')
-rw-r--r--app/validators/ed25519_key_validator.rb19
-rw-r--r--app/validators/ed25519_signature_validator.rb29
2 files changed, 48 insertions, 0 deletions
diff --git a/app/validators/ed25519_key_validator.rb b/app/validators/ed25519_key_validator.rb
new file mode 100644
index 000000000..00a448d5a
--- /dev/null
+++ b/app/validators/ed25519_key_validator.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class Ed25519KeyValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    return if value.blank?
+
+    key = Base64.decode64(value)
+
+    record.errors[attribute] << I18n.t('crypto.errors.invalid_key') unless verified?(key)
+  end
+
+  private
+
+  def verified?(key)
+    Ed25519.validate_key_bytes(key)
+  rescue ArgumentError
+    false
+  end
+end
diff --git a/app/validators/ed25519_signature_validator.rb b/app/validators/ed25519_signature_validator.rb
new file mode 100644
index 000000000..77a21b837
--- /dev/null
+++ b/app/validators/ed25519_signature_validator.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class Ed25519SignatureValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    return if value.blank?
+
+    verify_key = Ed25519::VerifyKey.new(Base64.decode64(option_to_value(record, :verify_key)))
+    signature  = Base64.decode64(value)
+    message    = option_to_value(record, :message)
+
+    record.errors[attribute] << I18n.t('crypto.errors.invalid_signature') unless verified?(verify_key, signature, message)
+  end
+
+  private
+
+  def verified?(verify_key, signature, message)
+    verify_key.verify(signature, message)
+  rescue Ed25519::VerifyError, ArgumentError
+    false
+  end
+
+  def option_to_value(record, key)
+    if options[key].is_a?(Proc)
+      options[key].call(record)
+    else
+      record.public_send(options[key])
+    end
+  end
+end