Class: Rack::MethodOverride

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

Constant Summary collapse

HTTP_METHODS = 
%w[GET HEAD PUT POST DELETE OPTIONS PATCH LINK UNLINK]
METHOD_OVERRIDE_PARAM_KEY = 
"_method"
HTTP_METHOD_OVERRIDE_HEADER = 
"HTTP_X_HTTP_METHOD_OVERRIDE"
ALLOWED_METHODS = 
%w[POST]

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ MethodOverride

Returns a new instance of MethodOverride.

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# File 'lib/rack/method_override.rb', line 15 def initialize(app) @app = app end

Instance Method Details

#call(env) ⇒ Object 

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# File 'lib/rack/method_override.rb', line 19 def call(env) if allowed_methods.include?(env[REQUEST_METHOD]) 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

#method_override(env) ⇒ Object 

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# File 'lib/rack/method_override.rb', line 31 def method_override(env) req = Request.new(env) method = method_override_param(req) || env[HTTP_METHOD_OVERRIDE_HEADER] begin method.to_s.upcase rescue ArgumentError env[RACK_ERRORS].puts "Invalid string for method" end end