59 lines
1.2 KiB
Ruby
59 lines
1.2 KiB
Ruby
require 'rack/auth/abstract/handler'
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require 'rack/auth/abstract/request'
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module Rack
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module Auth
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# Rack::Auth::Basic implements HTTP Basic Authentication, as per RFC 2617.
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#
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# Initialize with the Rack application that you want protecting,
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# and a block that checks if a username and password pair are valid.
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#
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# See also: <tt>example/protectedlobster.rb</tt>
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class Basic < AbstractHandler
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def call(env)
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auth = Basic::Request.new(env)
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return unauthorized unless auth.provided?
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return bad_request unless auth.basic?
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if valid?(auth)
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env['REMOTE_USER'] = auth.username
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return @app.call(env)
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end
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unauthorized
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end
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private
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def challenge
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'Basic realm="%s"' % realm
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end
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def valid?(auth)
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@authenticator.call(*auth.credentials)
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end
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class Request < Auth::AbstractRequest
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def basic?
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:basic == scheme
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end
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def credentials
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@credentials ||= params.unpack("m*").first.split(/:/, 2)
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end
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def username
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credentials.first
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end
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end
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end
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end
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end
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