Class: Stitches::CallingServiceMiddleware

Inherits:
Object
  • Object
show all
Defined in:
lib/stitches/calling_service_middleware.rb

Overview

Rack middleware that populates the caller identity env var from the calling service header when no other auth middleware has already set it. This allows existing code that reads the caller identity object to work transparently after API keys are disabled.

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ CallingServiceMiddleware

Returns a new instance of CallingServiceMiddleware.



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# File 'lib/stitches/calling_service_middleware.rb', line 9

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/stitches/calling_service_middleware.rb', line 13

def call(env)
  client_key = Stitches.configuration.env_var_to_hold_api_client

  unless env[client_key]
    header_name = Stitches.configuration.calling_service_header
    rack_key = "HTTP_#{header_name.upcase.tr('-', '_')}"

    if (name = env[rack_key]).present?
      env[client_key] = CallingServiceClient.new(name)
    end
  end

  @app.call(env)
end