Class: DataDomeModule

Inherits:
Object
  • Object
show all
Includes:
Configurable
Defined in:
lib/datadome_module.rb

Constant Summary

Constants included from Configurable

Configurable::ALL_ENDPOINT_INCLUSION_REGEXP, Configurable::STATIC_PAGE_EXCLUSION_REGEXP

Instance Method Summary collapse

Methods included from Configurable

included

Constructor Details

#initialize(app) ⇒ DataDomeModule

Returns a new instance of DataDomeModule.



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# File 'lib/datadome_module.rb', line 14

def initialize(app)
  @app = app
  @configuration = self.class.configuration
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/datadome_module.rb', line 19

def call(env)
  request = ActionDispatch::Request.new(env)

  assessment_result = datadome_assessment(request)
  return @app.call(env) unless assessment_result
  return assessment_result.response_array unless assessment_result.legitimate_request?

  enrich_request_headers(env, assessment_result.request_headers)
  status, headers, payload = @app.call(env)

  # Merge the headers from DataDome with the original headers
  headers = headers.merge(assessment_result.headers) do |key, request_header_val, datadome_header_val|
    if key.downcase == "set-cookie" && request_header_val
      # Handle the merge for cookies when the protected request has at least one cookie
      # If the original request contains one cookie, ensure it's in an array format for uniform handling
      request_header_val = [request_header_val] unless request_header_val.is_a?(Array) 
      
      # Remove any cookies that start with 'datadome=' from the original request's cookies
      request_header_val.reject! { |cookie| cookie.downcase.start_with?("datadome=") }
      
      # Return the cookies merged with the new value of the datadome cookie
      [datadome_header_val, *request_header_val]
    else
      # For DataDome headers other than 'Set-Cookie', return the value.
      datadome_header_val
    end
  end

  [status, headers, payload]
end