Class: Keycardai::MCP::AuthProvider::Grant

Inherits:
Object
  • Object
show all
Defined in:
lib/keycardai/mcp/auth_provider.rb

Overview

The middleware realizing a grant declaration. Not used directly; constructed through AuthProvider#grant.

Instance Method Summary collapse

Constructor Details

#initialize(app, provider:, resources:, user_identifier:, request_scopes:) ⇒ Grant

Returns a new instance of Grant.



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# File 'lib/keycardai/mcp/auth_provider.rb', line 109

def initialize(app, provider:, resources:, user_identifier:, request_scopes:)
  @app = app
  @provider = provider
  @resources = resources
  @user_identifier = user_identifier
  @request_scopes = request_scopes
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/keycardai/mcp/auth_provider.rb', line 117

def call(env)
  auth_info = env[ENV_AUTH_INFO]
  return RackSupport.challenge_response(env, status: 401) if auth_info.nil?

  context = env[ENV_ACCESS_CONTEXT] || Keycardai::OAuth::AccessContext.new
  @provider.exchange_tokens(
    auth_info.token, @resources,
    access_context: context, user_identifier: resolve_user(env), request_scopes: @request_scopes
  )
  env[ENV_ACCESS_CONTEXT] = context
  @app.call(env)
end