30 lines
658 B
Ruby
30 lines
658 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 && alt != 'default'
|
|
status, headers, body = app.call(env)
|
|
headers['Set-Cookie'] = cookie(alt) if alt
|
|
[status, headers, body]
|
|
end
|
|
|
|
private
|
|
|
|
def cookie(alt)
|
|
"alt=#{alt == 'default' ? '' : alt}; path=/; max-age=#{alt == 'default' ? 0 : 86400}"
|
|
end
|
|
|
|
def alt_from_params(env)
|
|
$1 if env['QUERY_STRING'] =~ /alt=([^&]+)/
|
|
end
|
|
|
|
def alt_from_cookie(env)
|
|
$1 if env['HTTP_COOKIE'] =~ /alt=([^;]+)/
|
|
end
|
|
end
|