diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/ssl.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/ssl.rb | 60 |
1 files changed, 41 insertions, 19 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/ssl.rb b/actionpack/lib/action_dispatch/middleware/ssl.rb index 47f475559a..ab3077b308 100644 --- a/actionpack/lib/action_dispatch/middleware/ssl.rb +++ b/actionpack/lib/action_dispatch/middleware/ssl.rb @@ -1,35 +1,43 @@ module ActionDispatch - # This middleware is added to the stack when `config.force_ssl = true`. - # It does three jobs to enforce secure HTTP requests: + # This middleware is added to the stack when `config.force_ssl = true`, and is passed + # the options set in `config.ssl_options`. It does three jobs to enforce secure HTTP + # requests: # - # 1. TLS redirect. http:// requests are permanently redirected to https:// - # with the same URL host, path, etc. Pass `:host` and/or `:port` to - # modify the destination URL. This is always enabled. + # 1. TLS redirect: Permanently redirects http:// requests to https:// + # with the same URL host, path, etc. Enabled by default. Set `config.ssl_options` + # to modify the destination URL + # (e.g. `redirect: { host: "secure.widgets.com", port: 8080 }`), or set + # `redirect: false` to disable this feature. # - # 2. Secure cookies. Sets the `secure` flag on cookies to tell browsers they - # mustn't be sent along with http:// requests. This is always enabled. + # 2. Secure cookies: Sets the `secure` flag on cookies to tell browsers they + # mustn't be sent along with http:// requests. Enabled by default. Set + # `config.ssl_options` with `secure_cookies: false` to disable this feature. # - # 3. HTTP Strict Transport Security (HSTS). Tells the browser to remember + # 3. HTTP Strict Transport Security (HSTS): Tells the browser to remember # this site as TLS-only and automatically redirect non-TLS requests. - # Enabled by default. Pass `hsts: false` to disable. + # Enabled by default. Configure `config.ssl_options` with `hsts: false` to disable. # - # Configure HSTS with `hsts: { … }`: + # Set `config.ssl_options` with `hsts: { … }` to configure HSTS: # * `expires`: How long, in seconds, these settings will stick. Defaults to # `180.days` (recommended). The minimum required to qualify for browser # preload lists is `18.weeks`. # * `subdomains`: Set to `true` to tell the browser to apply these settings # to all subdomains. This protects your cookies from interception by a - # vulnerable site on a subdomain. Defaults to `false`. + # vulnerable site on a subdomain. Defaults to `true`. # * `preload`: Advertise that this site may be included in browsers' # preloaded HSTS lists. HSTS protects your site on every visit *except the # first visit* since it hasn't seen your HSTS header yet. To close this # gap, browser vendors include a baked-in list of HSTS-enabled sites. # Go to https://hstspreload.appspot.com to submit your site for inclusion. # - # Disabling HSTS: To turn off HSTS, omitting the header is not enough. - # Browsers will remember the original HSTS directive until it expires. - # Instead, use the header to tell browsers to expire HSTS immediately. - # Setting `hsts: false` is a shortcut for `hsts: { expires: 0 }`. + # To turn off HSTS, omitting the header is not enough. Browsers will remember the + # original HSTS directive until it expires. Instead, use the header to tell browsers to + # expire HSTS immediately. Setting `hsts: false` is a shortcut for + # `hsts: { expires: 0 }`. + # + # Requests can opt-out of redirection with `exclude`: + # + # config.ssl_options = { redirect: { exclude: -> request { request.path =~ /healthcheck/ } } } class SSL # Default to 180 days, the low end for https://www.ssllabs.com/ssltest/ # and greater than the 18-week requirement for browser preload lists. @@ -39,19 +47,32 @@ module ActionDispatch { expires: HSTS_EXPIRES_IN, subdomains: false, preload: false } end - def initialize(app, redirect: {}, hsts: {}, **options) + def initialize(app, redirect: {}, hsts: {}, secure_cookies: true, **options) @app = app if options[:host] || options[:port] ActiveSupport::Deprecation.warn <<-end_warning.strip_heredoc The `:host` and `:port` options are moving within `:redirect`: - `config.ssl_options = { redirect: { host: …, port: … }}`. + `config.ssl_options = { redirect: { host: …, port: … } }`. end_warning @redirect = options.slice(:host, :port) else @redirect = redirect end + @exclude = @redirect && @redirect[:exclude] || proc { !@redirect } + @secure_cookies = secure_cookies + + if hsts != true && hsts != false && hsts[:subdomains].nil? + hsts[:subdomains] = false + + ActiveSupport::Deprecation.warn <<-end_warning.strip_heredoc + In Rails 5.1, The `:subdomains` option of HSTS config will be treated as true if + unspecified. Set `config.ssl_options = { hsts: { subdomains: false } }` to opt out + of this behavior. + end_warning + end + @hsts_header = build_hsts_header(normalize_hsts_options(hsts)) end @@ -61,10 +82,11 @@ module ActionDispatch if request.ssl? @app.call(env).tap do |status, headers, body| set_hsts_header! headers - flag_cookies_as_secure! headers + flag_cookies_as_secure! headers if @secure_cookies end else - redirect_to_https request + return redirect_to_https request unless @exclude.call(request) + @app.call(env) end end |