18 lines
		
	
	
	
		
			419 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
	
		
			419 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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# See: https://jamescrisp.org/2018/05/28/fixing-invalid-query-parameters-invalid-encoding-in-a-rails-app/
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class HandleBadEncodingMiddleware
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  def initialize(app)
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    @app = app
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  end
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  def call(env)
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    begin
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      Rack::Utils.parse_nested_query(env['QUERY_STRING'].to_s)
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    rescue Rack::Utils::InvalidParameterError
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      env['QUERY_STRING'] = ''
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    end
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    @app.call(env)
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  end
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end
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