Class: Rack::MethodOverride

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/methodoverride.rb

Constant Summary collapse

HTTP_METHODS = 
%w(GET HEAD PUT POST DELETE OPTIONS)
METHOD_OVERRIDE_PARAM_KEY = 
"_method".freeze
HTTP_METHOD_OVERRIDE_HEADER = 
"HTTP_X_HTTP_METHOD_OVERRIDE".freeze

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ MethodOverride

Returns a new instance of MethodOverride.



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# File 'lib/rack/methodoverride.rb', line 8

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/methodoverride.rb', line 12

def call(env)
  if env["REQUEST_METHOD"] == "POST"
    req = Request.new(env)
    method = req.POST[METHOD_OVERRIDE_PARAM_KEY] ||
      env[HTTP_METHOD_OVERRIDE_HEADER]
    method = method.to_s.upcase
    if HTTP_METHODS.include?(method)
      env["rack.methodoverride.original_method"] = env["REQUEST_METHOD"]
      env["REQUEST_METHOD"] = method
    end
  end

  @app.call(env)
end