30 lines
614 B
Ruby
30 lines
614 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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headers['Set-Cookie'] = cookie(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 cookie(alt)
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"alt=#{alt}; path=/; max-age=#{alt == 'default' ? 0 : 86400}"
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end
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def alt_from_params(env)
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$1 if env['QUERY_STRING'] =~ /alt=([^&]*)/
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end
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def alt_from_cookie(env)
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$1 if env['HTTP_COOKIE'] =~ /alt=([^;]*)/
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end
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end
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