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| author | Gannon McGibbon <gannon.mcgibbon@gmail.com> | 2019-01-22 11:40:13 -0500 |
|---|---|---|
| committer | Gannon McGibbon <gannon.mcgibbon@gmail.com> | 2019-01-22 11:40:13 -0500 |
| commit | 2e0ca9284a6864cfbbb632d849df3fdd7a7c554e (patch) | |
| tree | bae8c7bdbdf70dd05a506527f2724ddf4ec1dad7 /actionpack/lib/action_controller | |
| parent | e26f0658da7ff7e9382d6040fe76c087ff1791e4 (diff) | |
| download | rails-2e0ca9284a6864cfbbb632d849df3fdd7a7c554e.tar.gz rails-2e0ca9284a6864cfbbb632d849df3fdd7a7c554e.tar.bz2 rails-2e0ca9284a6864cfbbb632d849df3fdd7a7c554e.zip | |
Revert ensure external redirects are explicitly allowed
Diffstat (limited to 'actionpack/lib/action_controller')
| -rw-r--r-- | actionpack/lib/action_controller/metal/force_ssl.rb | 3 | ||||
| -rw-r--r-- | actionpack/lib/action_controller/metal/redirecting.rb | 33 |
2 files changed, 7 insertions, 29 deletions
diff --git a/actionpack/lib/action_controller/metal/force_ssl.rb b/actionpack/lib/action_controller/metal/force_ssl.rb index 205f84ae36..93fd57b640 100644 --- a/actionpack/lib/action_controller/metal/force_ssl.rb +++ b/actionpack/lib/action_controller/metal/force_ssl.rb @@ -13,7 +13,7 @@ module ActionController ACTION_OPTIONS = [:only, :except, :if, :unless] URL_OPTIONS = [:protocol, :host, :domain, :subdomain, :port, :path] - REDIRECT_OPTIONS = [:status, :flash, :alert, :notice, :allow_other_host] + REDIRECT_OPTIONS = [:status, :flash, :alert, :notice] module ClassMethods # :nodoc: def force_ssl(options = {}) @@ -41,7 +41,6 @@ module ActionController host: request.host, path: request.fullpath, status: :moved_permanently, - allow_other_host: true, } if host_or_options.is_a?(Hash) diff --git a/actionpack/lib/action_controller/metal/redirecting.rb b/actionpack/lib/action_controller/metal/redirecting.rb index 8bd003f5ed..67c198d150 100644 --- a/actionpack/lib/action_controller/metal/redirecting.rb +++ b/actionpack/lib/action_controller/metal/redirecting.rb @@ -60,7 +60,7 @@ module ActionController raise AbstractController::DoubleRenderError if response_body self.status = _extract_redirect_to_status(options, response_options) - self.location = _compute_safe_redirect_to_location(request, options, response_options) + self.location = _compute_redirect_to_location(request, options) self.response_body = "<html><body>You are being <a href=\"#{ERB::Util.unwrapped_html_escape(response.location)}\">redirected</a>.</body></html>" end @@ -88,13 +88,9 @@ module ActionController # All other options that can be passed to <tt>redirect_to</tt> are accepted as # options and the behavior is identical. def redirect_back(fallback_location:, allow_other_host: true, **args) - referer = request.headers.fetch("Referer", fallback_location) - response_options = { - fallback_location: fallback_location, - allow_other_host: allow_other_host, - **args, - } - redirect_to referer, response_options + referer = request.headers["Referer"] + redirect_to_referer = referer && (allow_other_host || _url_host_allowed?(referer)) + redirect_to redirect_to_referer ? referer : fallback_location, **args end def _compute_redirect_to_location(request, options) #:nodoc: @@ -118,23 +114,6 @@ module ActionController public :_compute_redirect_to_location private - def _compute_safe_redirect_to_location(request, options, response_options) - location = _compute_redirect_to_location(request, options) - location_options = options.is_a?(Hash) ? options : {} - if response_options[:allow_other_host] || _url_host_allowed?(location, location_options) - location - else - fallback_location = response_options.fetch(:fallback_location) do - raise ArgumentError, <<~MSG.squish - Unsafe redirect #{location.inspect}, - use :fallback_location to specify a fallback - or :allow_other_host to redirect anyway. - MSG - end - _compute_redirect_to_location(request, fallback_location) - end - end - def _extract_redirect_to_status(options, response_options) if options.is_a?(Hash) && options.key?(:status) Rack::Utils.status_code(options.delete(:status)) @@ -145,8 +124,8 @@ module ActionController end end - def _url_host_allowed?(url, options = {}) - URI(url.to_s).host.in?([request.host, options[:host]]) + def _url_host_allowed?(url) + URI(url.to_s).host == request.host rescue ArgumentError, URI::Error false end |