36 lines
722 B
Ruby
36 lines
722 B
Ruby
class Travis::Web::App::AltVersions
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attr_reader :app
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def initialize(app)
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@app = app
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end
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def call(env)
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alt = alt_from_params(env) || alt_from_cookie(env)
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env['travis.alt'] = alt if alt
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status, headers, body = app.call(env)
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set_cookie(headers, alt) if alt
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[status, headers, body]
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end
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private
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def set_cookie(headers, alt)
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cookie = "alt=#{alt}; path=/"
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puts "setting cookie #{cookie}"
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headers['Set-Cookie'] = cookie
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end
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def alt_from_params(env)
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alt_from_string env['QUERY_STRING']
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end
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def alt_from_cookie(env)
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alt_from_string env['HTTP_COOKIE']
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end
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def alt_from_string(string)
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$1 if string =~ /alt=([^&]*)/
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end
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end
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