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Contents
module JQuery
module FileUpload
module Rails
class Middleware
def initialize(app)
@app = app
end
def call(env)
dup._call(env)
end
def _call(env)
@status, @headers, @response = @app.call(env)
@request = Rack::Request.new(env)
if iframe_transport?
@headers['Content-Type'] = 'text/html'
[@status, @headers, self]
else
[@status, @headers, @response]
end
end
def each(&block)
block.call(html_document_left) if iframe_transport?
@response.each(&block)
block.call(html_document_right) if iframe_transport?
end
def iframe_transport?
@request.params['X-Requested-With'] == 'IFrame'
end
def html_document_left
"<!DOCTYPE html><html><body><textarea #{metadata}>"
end
def html_document_right
"</textarea></body></html>"
end
def metadata
meta = {}
meta['data-status'] = @response.status if @response.respond_to? :status
meta['data-statusText'] = @response.status_message if @response.respond_to? :status_message
meta['data-type'] = @headers['Content-Type'] if @headers.has_key?('Content-Type')
meta.map {|key,value| "#{key}='#{value}'" }.join(' ')
end
private
def method_missing(method, *args)
@response.send(method.intern, *args)
end
end
end
end
end
Version data entries
20 entries across 20 versions & 6 rubygems