1 files changed, 59 insertions, 0 deletions
diff --git a/app/lib/proof_provider/keybase.rb b/app/lib/proof_provider/keybase.rb
new file mode 100644
index 000000000..96322a265
--- /dev/null
+++ b/app/lib/proof_provider/keybase.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+class ProofProvider::Keybase
+  BASE_URL = 'https://keybase.io'
+
+  class Error < StandardError; end
+
+  class ExpectedProofLiveError < Error; end
+
+  class UnexpectedResponseError < Error; end
+
+  def initialize(proof = nil)
+    @proof = proof
+  end
+
+  def serializer_class
+    ProofProvider::Keybase::Serializer
+  end
+
+  def worker_class
+    ProofProvider::Keybase::Worker
+  end
+
+  def validate!
+    unless @proof.token&.size == 66
+      @proof.errors.add(:base, I18n.t('identity_proofs.errors.keybase.invalid_token'))
+      return
+    end
+
+    return if @proof.provider_username.blank?
+
+    if verifier.valid?
+      @proof.verified = true
+      @proof.live     = false
+    else
+      @proof.errors.add(:base, I18n.t('identity_proofs.errors.keybase.verification_failed', kb_username: @proof.provider_username))
+    end
+  end
+
+  def refresh!
+    worker_class.new.perform(@proof)
+  rescue ProofProvider::Keybase::Error
+    nil
+  end
+
+  def on_success_path(user_agent = nil)
+    verifier.on_success_path(user_agent)
+  end
+
+  def badge
+    @badge ||= ProofProvider::Keybase::Badge.new(@proof.account.username, @proof.provider_username, @proof.token)
+  end
+
+  private
+
+  def verifier
+    @verifier ||= ProofProvider::Keybase::Verifier.new(@proof.account.username, @proof.provider_username, @proof.token)
+  end
+end