diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/http')
8 files changed, 275 insertions, 21 deletions
diff --git a/actionpack/lib/action_dispatch/http/content_security_policy.rb b/actionpack/lib/action_dispatch/http/content_security_policy.rb new file mode 100644 index 0000000000..4883e23d24 --- /dev/null +++ b/actionpack/lib/action_dispatch/http/content_security_policy.rb @@ -0,0 +1,231 @@ +# frozen_string_literal: true + +require "active_support/core_ext/object/deep_dup" + +module ActionDispatch #:nodoc: + class ContentSecurityPolicy + class Middleware + CONTENT_TYPE = "Content-Type".freeze + POLICY = "Content-Security-Policy".freeze + POLICY_REPORT_ONLY = "Content-Security-Policy-Report-Only".freeze + + def initialize(app) + @app = app + end + + def call(env) + request = ActionDispatch::Request.new env + _, headers, _ = response = @app.call(env) + + return response unless html_response?(headers) + return response if policy_present?(headers) + + if policy = request.content_security_policy + headers[header_name(request)] = policy.build(request.controller_instance) + end + + response + end + + private + + def html_response?(headers) + if content_type = headers[CONTENT_TYPE] + content_type =~ /html/ + end + end + + def header_name(request) + if request.content_security_policy_report_only + POLICY_REPORT_ONLY + else + POLICY + end + end + + def policy_present?(headers) + headers[POLICY] || headers[POLICY_REPORT_ONLY] + end + end + + module Request + POLICY = "action_dispatch.content_security_policy".freeze + POLICY_REPORT_ONLY = "action_dispatch.content_security_policy_report_only".freeze + + def content_security_policy + get_header(POLICY) + end + + def content_security_policy=(policy) + set_header(POLICY, policy) + end + + def content_security_policy_report_only + get_header(POLICY_REPORT_ONLY) + end + + def content_security_policy_report_only=(value) + set_header(POLICY_REPORT_ONLY, value) + end + end + + MAPPINGS = { + self: "'self'", + unsafe_eval: "'unsafe-eval'", + unsafe_inline: "'unsafe-inline'", + none: "'none'", + http: "http:", + https: "https:", + data: "data:", + mediastream: "mediastream:", + blob: "blob:", + filesystem: "filesystem:", + report_sample: "'report-sample'", + strict_dynamic: "'strict-dynamic'" + }.freeze + + DIRECTIVES = { + base_uri: "base-uri", + child_src: "child-src", + connect_src: "connect-src", + default_src: "default-src", + font_src: "font-src", + form_action: "form-action", + frame_ancestors: "frame-ancestors", + frame_src: "frame-src", + img_src: "img-src", + manifest_src: "manifest-src", + media_src: "media-src", + object_src: "object-src", + script_src: "script-src", + style_src: "style-src", + worker_src: "worker-src" + }.freeze + + private_constant :MAPPINGS, :DIRECTIVES + + attr_reader :directives + + def initialize + @directives = {} + yield self if block_given? + end + + def initialize_copy(other) + @directives = other.directives.deep_dup + end + + DIRECTIVES.each do |name, directive| + define_method(name) do |*sources| + if sources.first + @directives[directive] = apply_mappings(sources) + else + @directives.delete(directive) + end + end + end + + def block_all_mixed_content(enabled = true) + if enabled + @directives["block-all-mixed-content"] = true + else + @directives.delete("block-all-mixed-content") + end + end + + def plugin_types(*types) + if types.first + @directives["plugin-types"] = types + else + @directives.delete("plugin-types") + end + end + + def report_uri(uri) + @directives["report-uri"] = [uri] + end + + def require_sri_for(*types) + if types.first + @directives["require-sri-for"] = types + else + @directives.delete("require-sri-for") + end + end + + def sandbox(*values) + if values.empty? + @directives["sandbox"] = true + elsif values.first + @directives["sandbox"] = values + else + @directives.delete("sandbox") + end + end + + def upgrade_insecure_requests(enabled = true) + if enabled + @directives["upgrade-insecure-requests"] = true + else + @directives.delete("upgrade-insecure-requests") + end + end + + def build(context = nil) + build_directives(context).compact.join("; ") + ";" + end + + private + def apply_mappings(sources) + sources.map do |source| + case source + when Symbol + apply_mapping(source) + when String, Proc + source + else + raise ArgumentError, "Invalid content security policy source: #{source.inspect}" + end + end + end + + def apply_mapping(source) + MAPPINGS.fetch(source) do + raise ArgumentError, "Unknown content security policy source mapping: #{source.inspect}" + end + end + + def build_directives(context) + @directives.map do |directive, sources| + if sources.is_a?(Array) + "#{directive} #{build_directive(sources, context).join(' ')}" + elsif sources + directive + else + nil + end + end + end + + def build_directive(sources, context) + sources.map { |source| resolve_source(source, context) } + end + + def resolve_source(source, context) + case source + when String + source + when Symbol + source.to_s + when Proc + if context.nil? + raise RuntimeError, "Missing context for the dynamic content security policy source: #{source.inspect}" + else + context.instance_exec(&source) + end + else + raise RuntimeError, "Unexpected content security policy source: #{source.inspect}" + end + end + end +end diff --git a/actionpack/lib/action_dispatch/http/filter_parameters.rb b/actionpack/lib/action_dispatch/http/filter_parameters.rb index b7141cc1b9..ec86b8bc47 100644 --- a/actionpack/lib/action_dispatch/http/filter_parameters.rb +++ b/actionpack/lib/action_dispatch/http/filter_parameters.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -require_relative "parameter_filter" +require "action_dispatch/http/parameter_filter" module ActionDispatch module Http @@ -9,7 +9,7 @@ module ActionDispatch # sub-hashes of the params hash to filter. Filtering only certain sub-keys # from a hash is possible by using the dot notation: 'credit_card.number'. # If a block is given, each key and value of the params hash and all - # sub-hashes is passed to it, the value or key can be replaced using + # sub-hashes is passed to it, where the value or the key can be replaced using # String#replace or similar method. # # env["action_dispatch.parameter_filter"] = [:password] @@ -48,7 +48,7 @@ module ActionDispatch @filtered_env ||= env_filter.filter(@env) end - # Reconstructed a path with all sensitive GET parameters replaced. + # Reconstructs a path with all sensitive GET parameters replaced. def filtered_path @filtered_path ||= query_string.empty? ? path : "#{path}?#{filtered_query_string}" end diff --git a/actionpack/lib/action_dispatch/http/mime_negotiation.rb b/actionpack/lib/action_dispatch/http/mime_negotiation.rb index 0ca18d98a1..d7435fa8df 100644 --- a/actionpack/lib/action_dispatch/http/mime_negotiation.rb +++ b/actionpack/lib/action_dispatch/http/mime_negotiation.rb @@ -12,9 +12,6 @@ module ActionDispatch end # The MIME type of the HTTP request, such as Mime[:xml]. - # - # For backward compatibility, the post \format is extracted from the - # X-Post-Data-Format HTTP header if present. def content_mime_type fetch_header("action_dispatch.request.content_type") do |k| v = if get_header("CONTENT_TYPE") =~ /^([^,\;]*)/ diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb index d797e90e52..d2b2106845 100644 --- a/actionpack/lib/action_dispatch/http/mime_type.rb +++ b/actionpack/lib/action_dispatch/http/mime_type.rb @@ -339,4 +339,4 @@ module Mime end end -require_relative "mime_types" +require "action_dispatch/http/mime_types" diff --git a/actionpack/lib/action_dispatch/http/mime_types.rb b/actionpack/lib/action_dispatch/http/mime_types.rb index f8e6fca36d..342e6de312 100644 --- a/actionpack/lib/action_dispatch/http/mime_types.rb +++ b/actionpack/lib/action_dispatch/http/mime_types.rb @@ -10,6 +10,7 @@ Mime::Type.register "text/css", :css Mime::Type.register "text/calendar", :ics Mime::Type.register "text/csv", :csv Mime::Type.register "text/vcard", :vcf +Mime::Type.register "text/vtt", :vtt, %w(vtt) Mime::Type.register "image/png", :png, [], %w(png) Mime::Type.register "image/jpeg", :jpeg, [], %w(jpg jpeg jpe pjpeg) @@ -20,6 +21,18 @@ Mime::Type.register "image/svg+xml", :svg Mime::Type.register "video/mpeg", :mpeg, [], %w(mpg mpeg mpe) +Mime::Type.register "audio/mpeg", :mp3, [], %w(mp1 mp2 mp3) +Mime::Type.register "audio/ogg", :ogg, [], %w(oga ogg spx opus) +Mime::Type.register "audio/aac", :m4a, %w( audio/mp4 ), %w(m4a mpg4 aac) + +Mime::Type.register "video/webm", :webm, [], %w(webm) +Mime::Type.register "video/mp4", :mp4, [], %w(mp4 m4v) + +Mime::Type.register "font/otf", :otf, [], %w(otf) +Mime::Type.register "font/ttf", :ttf, [], %w(ttf) +Mime::Type.register "font/woff", :woff, [], %w(woff) +Mime::Type.register "font/woff2", :woff2, [], %w(woff2) + Mime::Type.register "application/xml", :xml, %w( text/xml application/x-xml ) Mime::Type.register "application/rss+xml", :rss Mime::Type.register "application/atom+xml", :atom diff --git a/actionpack/lib/action_dispatch/http/parameters.rb b/actionpack/lib/action_dispatch/http/parameters.rb index ae875eb830..8d7431fd6b 100644 --- a/actionpack/lib/action_dispatch/http/parameters.rb +++ b/actionpack/lib/action_dispatch/http/parameters.rb @@ -123,9 +123,4 @@ module ActionDispatch end end end - - module ParamsParser - include ActiveSupport::Deprecation::DeprecatedConstantAccessor - deprecate_constant "ParseError", "ActionDispatch::Http::Parameters::ParseError" - end end diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb index dee7be184a..3838b84a7a 100644 --- a/actionpack/lib/action_dispatch/http/request.rb +++ b/actionpack/lib/action_dispatch/http/request.rb @@ -3,15 +3,15 @@ require "stringio" require "active_support/inflector" -require_relative "headers" +require "action_dispatch/http/headers" require "action_controller/metal/exceptions" require "rack/request" -require_relative "cache" -require_relative "mime_negotiation" -require_relative "parameters" -require_relative "filter_parameters" -require_relative "upload" -require_relative "url" +require "action_dispatch/http/cache" +require "action_dispatch/http/mime_negotiation" +require "action_dispatch/http/parameters" +require "action_dispatch/http/filter_parameters" +require "action_dispatch/http/upload" +require "action_dispatch/http/url" require "active_support/core_ext/array/conversions" module ActionDispatch @@ -22,6 +22,7 @@ module ActionDispatch include ActionDispatch::Http::Parameters include ActionDispatch::Http::FilterParameters include ActionDispatch::Http::URL + include ActionDispatch::ContentSecurityPolicy::Request include Rack::Request::Env autoload :Session, "action_dispatch/request/session" @@ -199,6 +200,23 @@ module ActionDispatch @headers ||= Http::Headers.new(self) end + # Early Hints is an HTTP/2 status code that indicates hints to help a client start + # making preparations for processing the final response. + # + # If the env contains +rack.early_hints+ then the server accepts HTTP2 push for Link headers. + # + # The +send_early_hints+ method accepts a hash of links as follows: + # + # send_early_hints("Link" => "</style.css>; rel=preload; as=style\n</script.js>; rel=preload") + # + # If you are using +javascript_include_tag+ or +stylesheet_link_tag+ the + # Early Hints headers are included by default if supported. + def send_early_hints(links) + return unless env["rack.early_hints"] + + env["rack.early_hints"].call(links) + end + # Returns a +String+ with the last requested path including their params. # # # get '/foo' diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb index 0c7b153420..7e50cb6d23 100644 --- a/actionpack/lib/action_dispatch/http/response.rb +++ b/actionpack/lib/action_dispatch/http/response.rb @@ -1,8 +1,8 @@ # frozen_string_literal: true require "active_support/core_ext/module/attribute_accessors" -require_relative "filter_redirect" -require_relative "cache" +require "action_dispatch/http/filter_redirect" +require "action_dispatch/http/cache" require "monitor" module ActionDispatch # :nodoc: |