Class: Rack::MethodOverride

Inherits:

Object

• Object
• Rack::MethodOverride

show all

Defined in:

rack/rack/methodoverride.rb

Constant Summary

HTTP_METHODS =

%w(GET HEAD PUT POST DELETE OPTIONS PATCH)

METHOD_OVERRIDE_PARAM_KEY =

"_method".freeze

HTTP_METHOD_OVERRIDE_HEADER =

"HTTP_X_HTTP_METHOD_OVERRIDE".freeze

Instance Method Summary (collapse)

• - (void) call(env)
• - (MethodOverride) initialize(app) constructor

  A new instance of MethodOverride.

• - (void) method_override(env)

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

def initialize(app)
  @app = app
end

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

def call(env)
  if env["REQUEST_METHOD"] == "POST"
    method = method_override(env)
    if HTTP_METHODS.include?(method)
      env["rack.methodoverride.original_method"] = env["REQUEST_METHOD"]
      env["REQUEST_METHOD"] = method
    end
  end

  @app.call(env)
end

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# File 'rack/rack/methodoverride.rb', line 24

def method_override(env)
  req = Request.new(env)
  method = req.POST[METHOD_OVERRIDE_PARAM_KEY] ||
    env[HTTP_METHOD_OVERRIDE_HEADER]
  method.to_s.upcase
end