Method: Rack::Utils.add_cookie_to_header

Defined in:
lib/rack/utils.rb

223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
# File 'lib/rack/utils.rb', line 223

def add_cookie_to_header(header, key, value)
  case value
  when Hash
    domain  = "; domain=#{value[:domain]}"   if value[:domain]
    path    = "; path=#{value[:path]}"       if value[:path]
    max_age = "; max-age=#{value[:max_age]}" if value[:max_age]
    expires = "; expires=#{value[:expires].httpdate}" if value[:expires]
    secure = "; secure"  if value[:secure]
    httponly = "; HttpOnly" if (value.key?(:httponly) ? value[:httponly] : value[:http_only])
    same_site =
      case value[:same_site]
      when false, nil
        nil
      when :none, 'None', :None
        '; SameSite=None'
      when :lax, 'Lax', :Lax
        '; SameSite=Lax'
      when true, :strict, 'Strict', :Strict
        '; SameSite=Strict'
      else
        raise ArgumentError, "Invalid SameSite value: #{value[:same_site].inspect}"
      end
    value = value[:value]
  end
  value = [value] unless Array === value

  cookie = "#{escape(key)}=#{value.map { |v| escape v }.join('&')}#{domain}" \
    "#{path}#{max_age}#{expires}#{secure}#{httponly}#{same_site}"

  case header
  when nil, ''
    cookie
  when String
    [header, cookie].join("\n")
  when Array
    (header + [cookie]).join("\n")
  else
    raise ArgumentError, "Unrecognized cookie header value. Expected String, Array, or nil, got #{header.inspect}"
  end
end