Gab Social. All are welcome.

app/lib/proof_provider/keybase.rb

@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+class ProofProvider::Keybase
+  BASE_URL = ENV.fetch('KEYBASE_BASE_URL', 'https://keybase.io')
+  DOMAIN   = ENV.fetch('KEYBASE_DOMAIN', Rails.configuration.x.web_domain)
+
+  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
+
+    # Do not perform synchronous validation for remote accounts
+    return if @proof.provider_username.blank? || !@proof.account.local?
+
+    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, domain)
+  end
+
+  def verifier
+    @verifier ||= ProofProvider::Keybase::Verifier.new(@proof.account.username, @proof.provider_username, @proof.token, domain)
+  end
+
+  private
+
+  def domain
+    if @proof.account.local?
+      DOMAIN
+    else
+      @proof.account.domain
+    end
+  end
+end