Class: Rack::JSONP::Callback
- Inherits:
-
Object
- Object
- Rack::JSONP::Callback
- Defined in:
- lib/rack/jsonp/callback.rb
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app, callback_param = 'callback') ⇒ Callback
constructor
A new instance of Callback.
Constructor Details
#initialize(app, callback_param = 'callback') ⇒ Callback
Returns a new instance of Callback.
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# File 'lib/rack/jsonp/callback.rb', line 4 def initialize(app, callback_param = 'callback') @app = app @callback_param = callback_param end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/rack/jsonp/callback.rb', line 9 def call(env) request = Rack::Request.new(env) callback = request.params[@callback_param] if callback env['jsonp.utils.callback'] = callback status, headers, response = @app.call(env) if headers['Content-Type'].to_s.start_with?('application/json') response = pad(callback, response) headers['Content-Length'] = response.first.bytesize.to_s headers['Content-Type'] = 'application/javascript' [200, headers, response] else [status, headers, response] end else @app.call(env) end end |