Class: Clickwrap::AuthorityVerifier

Inherits:
Object
  • Object
show all
Defined in:
lib/clickwrap/authority.rb

Overview

One fail-closed path for presentation-time and capture-time authority checks. The represented-party adapter owns the authorization fact; Clickwrap only validates that an affirmative decision carries enough provenance to become meaningful evidence.

Class Method Summary collapse

Class Method Details

.verify!(policy:, actor:, represented_party:, tenant:, authentication_context:) ⇒ Object

Raises:



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# File 'lib/clickwrap/authority.rb', line 132

def self.verify!(policy:, actor:, represented_party:, tenant:, authentication_context:)
  unless policy.permits_acting_for_party?(represented_party)
    raise AuthorityNotVerified,
          "Policy #{policy.key} does not permit an actor to act for " \
          "#{represented_party.class.name}. Declare the represented-party type and a " \
          "reviewed server-side authority rule."
  end

  rule = policy.authority_rule
  adapter = Clickwrap.config.represented_party_authority_adapter(rule.adapter_name)
  raw = if adapter
          adapter.verify(
            actor: actor,
            represented_party: represented_party,
            authority_rule: rule,
            tenant: tenant,
            authentication_context: authentication_context
          )
        else
          Clickwrap.config.verify_actor_can_act_for_represented_party_with.call(
            actor: actor,
            represented_party: represented_party,
            policy: policy,
            tenant: tenant,
            authentication_context: authentication_context
          )
        end
  decision = AuthorityDecision.from(raw)

  unless decision.authorized?
    raise AuthorityNotVerified,
          "The host authority check did not authorize this actor to act for the represented party."
  end

  missing = %i[source role verified_at].select { |attribute| decision.public_send(attribute).blank? }
  return decision if missing.empty?

  raise AuthorityNotVerified,
        "An authorized represented-party action must record #{missing.join(", ")}. Return " \
        "those facts from `verify_actor_can_act_for_represented_party_with`."
end