travis-web/lib/travis/web/app/alt_versions.rb

34 lines
718 B
Ruby

class Travis::Web::App::AltVersions
attr_reader :app
def initialize(app)
@app = app
end
def call(env)
alt = alt_from_params(env) || alt_from_cookie(env)
env['travis.alt'] = alt if alt
status, headers, body = app.call(env)
headers['Set-Cookie'] = cookie(alt) if env.key?('travis.alt')
[status, headers, body]
end
private
def cookie(alt)
"alt=#{alt}; Domain=travis-ci.org; Secure; Max-Age=#{alt == 'default' ? 0 : 86400}"
end
def alt_from_params(env)
alt_from_string env['QUERY_STRING']
end
def alt_from_cookie(env)
alt_from_string env['HTTP_COOKIE']
end
def alt_from_string(string)
$1 if string =~ /alt=([^&]*)/
end
end