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module Rack
module OAuth2
module Server
module Abstract
class Handler
attr_accessor :authenticator, :request, :response
def initialize(&authenticator)
@authenticator = authenticator
end
def call(env)
# NOTE:
# Rack middleware is initialized only on the first request of the process.
# So any instance variables are acts like class variables, and modifying them in call() isn't thread-safe.
# ref.) http://stackoverflow.com/questions/23028226/rack-middleware-and-thread-safety
dup._call(env)
end
def _call(env)
@authenticator.call(@request, @response) if @authenticator
@response
end
end
end
end
end
end
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