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Contents
module ActionDispatch
class SSL
YEAR = 31536000
def self.default_hsts_options
{ :expires => YEAR, :subdomains => false }
end
def initialize(app, options = {})
@app = app
@hsts = options.fetch(:hsts, {})
@hsts = {} if @hsts == true
@hsts = self.class.default_hsts_options.merge(@hsts) if @hsts
@host = options[:host]
@port = options[:port]
end
def call(env)
request = Request.new(env)
if request.ssl?
status, headers, body = @app.call(env)
headers = hsts_headers.merge(headers)
flag_cookies_as_secure!(headers)
[status, headers, body]
else
redirect_to_https(request)
end
end
private
def redirect_to_https(request)
url = URI(request.url)
url.scheme = "https"
url.host = @host if @host
url.port = @port if @port
headers = { 'Content-Type' => 'text/html', 'Location' => url.to_s }
[301, headers, []]
end
# http://tools.ietf.org/html/draft-hodges-strict-transport-sec-02
def hsts_headers
if @hsts
value = "max-age=#{@hsts[:expires].to_i}"
value += "; includeSubDomains" if @hsts[:subdomains]
{ 'Strict-Transport-Security' => value }
else
{}
end
end
def flag_cookies_as_secure!(headers)
if cookies = headers['Set-Cookie']
cookies = cookies.split("\n")
headers['Set-Cookie'] = cookies.map { |cookie|
if cookie !~ /;\s+secure(;|$)/i
"#{cookie}; secure"
else
cookie
end
}.join("\n")
end
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems