diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/http/request.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/http/request.rb | 262 |
1 files changed, 176 insertions, 86 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb index 1318c62fbe..29cf821090 100644 --- a/actionpack/lib/action_dispatch/http/request.rb +++ b/actionpack/lib/action_dispatch/http/request.rb @@ -13,35 +13,46 @@ require 'action_dispatch/http/url' require 'active_support/core_ext/array/conversions' module ActionDispatch - class Request < Rack::Request + class Request + include Rack::Request::Helpers include ActionDispatch::Http::Cache::Request include ActionDispatch::Http::MimeNegotiation include ActionDispatch::Http::Parameters include ActionDispatch::Http::FilterParameters include ActionDispatch::Http::URL + include Rack::Request::Env autoload :Session, 'action_dispatch/request/session' autoload :Utils, 'action_dispatch/request/utils' - LOCALHOST = Regexp.union [/^127\.0\.0\.\d{1,3}$/, /^::1$/, /^0:0:0:0:0:0:0:1(%.*)?$/] + LOCALHOST = Regexp.union [/^127\.\d{1,3}\.\d{1,3}\.\d{1,3}$/, /^::1$/, /^0:0:0:0:0:0:0:1(%.*)?$/] ENV_METHODS = %w[ AUTH_TYPE GATEWAY_INTERFACE PATH_TRANSLATED REMOTE_HOST REMOTE_IDENT REMOTE_USER REMOTE_ADDR SERVER_NAME SERVER_PROTOCOL + ORIGINAL_SCRIPT_NAME HTTP_ACCEPT HTTP_ACCEPT_CHARSET HTTP_ACCEPT_ENCODING HTTP_ACCEPT_LANGUAGE HTTP_CACHE_CONTROL HTTP_FROM - HTTP_NEGOTIATE HTTP_PRAGMA ].freeze + HTTP_NEGOTIATE HTTP_PRAGMA HTTP_CLIENT_IP + HTTP_X_FORWARDED_FOR HTTP_ORIGIN HTTP_VERSION + HTTP_X_CSRF_TOKEN HTTP_X_REQUEST_ID HTTP_X_FORWARDED_HOST + SERVER_ADDR + ].freeze ENV_METHODS.each do |env| class_eval <<-METHOD, __FILE__, __LINE__ + 1 def #{env.sub(/^HTTP_/n, '').downcase} # def accept_charset - @env["#{env}"] # @env["HTTP_ACCEPT_CHARSET"] + get_header "#{env}".freeze # get_header "HTTP_ACCEPT_CHARSET".freeze end # end METHOD end + def self.empty + new({}) + end + def initialize(env) super @method = nil @@ -50,11 +61,43 @@ module ActionDispatch @original_fullpath = nil @fullpath = nil @ip = nil - @uuid = nil + end + + def commit_cookie_jar! # :nodoc: + end + + def check_path_parameters! + # If any of the path parameters has an invalid encoding then + # raise since it's likely to trigger errors further on. + path_parameters.each do |key, value| + next unless value.respond_to?(:valid_encoding?) + unless value.valid_encoding? + raise ActionController::BadRequest, "Invalid parameter encoding: #{key} => #{value.inspect}" + end + end + end + + PASS_NOT_FOUND = Class.new { # :nodoc: + def self.action(_); self; end + def self.call(_); [404, {'X-Cascade' => 'pass'}, []]; end + } + + def controller_class + check_path_parameters! + params = path_parameters + + if params.key?(:controller) + controller_param = params[:controller].underscore + params[:action] ||= 'index' + const_name = "#{controller_param.camelize}Controller" + ActiveSupport::Dependencies.constantize(const_name) + else + PASS_NOT_FOUND + end end def key?(key) - @env.key?(key) + has_header? key end # List of HTTP request methods from the following RFCs: @@ -64,6 +107,7 @@ module ActionDispatch # Ordered Collections Protocol (WebDAV) (http://www.ietf.org/rfc/rfc3648.txt) # Web Distributed Authoring and Versioning (WebDAV) Access Control Protocol (http://www.ietf.org/rfc/rfc3744.txt) # Web Distributed Authoring and Versioning (WebDAV) SEARCH (http://www.ietf.org/rfc/rfc5323.txt) + # Calendar Extensions to WebDAV (http://www.ietf.org/rfc/rfc4791.txt) # PATCH Method for HTTP (http://www.ietf.org/rfc/rfc5789.txt) RFC2616 = %w(OPTIONS GET HEAD POST PUT DELETE TRACE CONNECT) RFC2518 = %w(PROPFIND PROPPATCH MKCOL COPY MOVE LOCK UNLOCK) @@ -71,9 +115,10 @@ module ActionDispatch RFC3648 = %w(ORDERPATCH) RFC3744 = %w(ACL) RFC5323 = %w(SEARCH) + RFC4791 = %w(MKCALENDAR) RFC5789 = %w(PATCH) - HTTP_METHODS = RFC2616 + RFC2518 + RFC3253 + RFC3648 + RFC3744 + RFC5323 + RFC5789 + HTTP_METHODS = RFC2616 + RFC2518 + RFC3253 + RFC3648 + RFC3744 + RFC5323 + RFC4791 + RFC5789 HTTP_METHOD_LOOKUP = {} @@ -89,71 +134,83 @@ module ActionDispatch # the application should use), this \method returns the overridden # value, not the original. def request_method - @request_method ||= check_method(env["REQUEST_METHOD"]) + @request_method ||= check_method(super) end - # Returns a symbol form of the #request_method - def request_method_symbol - HTTP_METHOD_LOOKUP[request_method] + def routes # :nodoc: + get_header("action_dispatch.routes".freeze) end - # Returns the original value of the environment's REQUEST_METHOD, - # even if it was overridden by middleware. See #request_method for - # more information. - def method - @method ||= check_method(env["rack.methodoverride.original_method"] || env['REQUEST_METHOD']) + def routes=(routes) # :nodoc: + set_header("action_dispatch.routes".freeze, routes) end - # Returns a symbol form of the #method - def method_symbol - HTTP_METHOD_LOOKUP[method] + def engine_script_name(_routes) # :nodoc: + get_header(_routes.env_key) end - # Is this a GET (or HEAD) request? - # Equivalent to <tt>request.request_method_symbol == :get</tt>. - def get? - HTTP_METHOD_LOOKUP[request_method] == :get + def engine_script_name=(name) # :nodoc: + set_header(routes.env_key, name.dup) end - # Is this a POST request? - # Equivalent to <tt>request.request_method_symbol == :post</tt>. - def post? - HTTP_METHOD_LOOKUP[request_method] == :post + def request_method=(request_method) #:nodoc: + if check_method(request_method) + @request_method = set_header("REQUEST_METHOD", request_method) + end end - # Is this a PATCH request? - # Equivalent to <tt>request.request_method == :patch</tt>. - def patch? - HTTP_METHOD_LOOKUP[request_method] == :patch + def controller_instance # :nodoc: + get_header('action_controller.instance'.freeze) end - # Is this a PUT request? - # Equivalent to <tt>request.request_method_symbol == :put</tt>. - def put? - HTTP_METHOD_LOOKUP[request_method] == :put + def controller_instance=(controller) # :nodoc: + set_header('action_controller.instance'.freeze, controller) end - # Is this a DELETE request? - # Equivalent to <tt>request.request_method_symbol == :delete</tt>. - def delete? - HTTP_METHOD_LOOKUP[request_method] == :delete + def http_auth_salt + get_header "action_dispatch.http_auth_salt" end - # Is this a HEAD request? - # Equivalent to <tt>request.request_method_symbol == :head</tt>. - def head? - HTTP_METHOD_LOOKUP[request_method] == :head + def show_exceptions? # :nodoc: + # We're treating `nil` as "unset", and we want the default setting to be + # `true`. This logic should be extracted to `env_config` and calculated + # once. + !(get_header('action_dispatch.show_exceptions'.freeze) == false) + end + + # Returns a symbol form of the #request_method + def request_method_symbol + HTTP_METHOD_LOOKUP[request_method] + end + + # Returns the original value of the environment's REQUEST_METHOD, + # even if it was overridden by middleware. See #request_method for + # more information. + def method + @method ||= check_method(get_header("rack.methodoverride.original_method") || get_header('REQUEST_METHOD')) + end + + # Returns a symbol form of the #method + def method_symbol + HTTP_METHOD_LOOKUP[method] end # Provides access to the request's HTTP headers, for example: # # request.headers["Content-Type"] # => "text/plain" def headers - Http::Headers.new(@env) + @headers ||= Http::Headers.new(self) end + # Returns a +String+ with the last requested path including their params. + # + # # get '/foo' + # request.original_fullpath # => '/foo' + # + # # get '/foo?bar' + # request.original_fullpath # => '/foo?bar' def original_fullpath - @original_fullpath ||= (env["ORIGINAL_FULLPATH"] || fullpath) + @original_fullpath ||= (get_header("ORIGINAL_FULLPATH") || fullpath) end # Returns the +String+ full path including params of the last URL requested. @@ -189,65 +246,87 @@ module ActionDispatch end # Returns true if the "X-Requested-With" header contains "XMLHttpRequest" - # (case-insensitive). All major JavaScript libraries send this header with - # every Ajax request. + # (case-insensitive), which may need to be manually added depending on the + # choice of JavaScript libraries and frameworks. def xml_http_request? - @env['HTTP_X_REQUESTED_WITH'] =~ /XMLHttpRequest/i + get_header('HTTP_X_REQUESTED_WITH') =~ /XMLHttpRequest/i end alias :xhr? :xml_http_request? + # Returns the IP address of client as a +String+. def ip @ip ||= super end - # Originating IP address, usually set by the RemoteIp middleware. + # Returns the IP address of client as a +String+, + # usually set by the RemoteIp middleware. def remote_ip - @remote_ip ||= (@env["action_dispatch.remote_ip"] || ip).to_s + @remote_ip ||= (get_header("action_dispatch.remote_ip") || ip).to_s + end + + def remote_ip=(remote_ip) + set_header "action_dispatch.remote_ip".freeze, remote_ip end - # Returns the unique request id, which is based off either the X-Request-Id header that can + ACTION_DISPATCH_REQUEST_ID = "action_dispatch.request_id".freeze # :nodoc: + + # Returns the unique request id, which is based on either the X-Request-Id header that can # be generated by a firewall, load balancer, or web server or by the RequestId middleware # (which sets the action_dispatch.request_id environment variable). # # This unique ID is useful for tracing a request from end-to-end as part of logging or debugging. # This relies on the rack variable set by the ActionDispatch::RequestId middleware. - def uuid - @uuid ||= env["action_dispatch.request_id"] + def request_id + get_header ACTION_DISPATCH_REQUEST_ID end + def request_id=(id) # :nodoc: + set_header ACTION_DISPATCH_REQUEST_ID, id + end + + alias_method :uuid, :request_id + # Returns the lowercase name of the HTTP server software. def server_software - (@env['SERVER_SOFTWARE'] && /^([a-zA-Z]+)/ =~ @env['SERVER_SOFTWARE']) ? $1.downcase : nil + (get_header('SERVER_SOFTWARE') && /^([a-zA-Z]+)/ =~ get_header('SERVER_SOFTWARE')) ? $1.downcase : nil end # Read the request \body. This is useful for web services that need to # work with raw requests directly. def raw_post - unless @env.include? 'RAW_POST_DATA' + unless has_header? 'RAW_POST_DATA' raw_post_body = body - @env['RAW_POST_DATA'] = raw_post_body.read(content_length) + set_header('RAW_POST_DATA', raw_post_body.read(content_length)) raw_post_body.rewind if raw_post_body.respond_to?(:rewind) end - @env['RAW_POST_DATA'] + get_header 'RAW_POST_DATA' end # The request body is an IO input stream. If the RAW_POST_DATA environment # variable is already set, wrap it in a StringIO. def body - if raw_post = @env['RAW_POST_DATA'] + if raw_post = get_header('RAW_POST_DATA') raw_post.force_encoding(Encoding::BINARY) StringIO.new(raw_post) else - @env['rack.input'] + body_stream end end + # Determine whether the request body contains form-data by checking + # the request Content-Type for one of the media-types: + # "application/x-www-form-urlencoded" or "multipart/form-data". The + # list of form-data media types can be modified through the + # +FORM_DATA_MEDIA_TYPES+ array. + # + # A request body is not assumed to contain form-data when no + # Content-Type header is provided and the request_method is POST. def form_data? - FORM_DATA_MEDIA_TYPES.include?(content_mime_type.to_s) + FORM_DATA_MEDIA_TYPES.include?(media_type) end def body_stream #:nodoc: - @env['rack.input'] + get_header('rack.input') end # TODO This should be broken apart into AD::Request::Session and probably @@ -258,64 +337,75 @@ module ActionDispatch else self.session = {} end - @env['action_dispatch.request.flash_hash'] = nil + self.flash = nil end def session=(session) #:nodoc: - Session.set @env, session + Session.set self, session end def session_options=(options) - Session::Options.set @env, options + Session::Options.set self, options end # Override Rack's GET method to support indifferent access def GET - @env["action_dispatch.request.query_parameters"] ||= Utils.deep_munge((normalize_encode_params(super) || {})) - rescue TypeError => e - raise ActionController::BadRequest.new(:query, e) + fetch_header("action_dispatch.request.query_parameters") do |k| + rack_query_params = super || {} + # Check for non UTF-8 parameter values, which would cause errors later + Request::Utils.check_param_encoding(rack_query_params) + set_header k, Request::Utils.normalize_encode_params(rack_query_params) + end + rescue Rack::Utils::ParameterTypeError, Rack::Utils::InvalidParameterError => e + raise ActionController::BadRequest.new("Invalid query parameters: #{e.message}") end alias :query_parameters :GET # Override Rack's POST method to support indifferent access def POST - @env["action_dispatch.request.request_parameters"] ||= Utils.deep_munge((normalize_encode_params(super) || {})) - rescue TypeError => e - raise ActionController::BadRequest.new(:request, e) + fetch_header("action_dispatch.request.request_parameters") do + pr = parse_formatted_parameters(params_parsers) do |params| + super || {} + end + self.request_parameters = Request::Utils.normalize_encode_params(pr) + end + rescue ParamsParser::ParseError # one of the parse strategies blew up + self.request_parameters = Request::Utils.normalize_encode_params(super || {}) + raise + rescue Rack::Utils::ParameterTypeError, Rack::Utils::InvalidParameterError => e + raise ActionController::BadRequest.new("Invalid request parameters: #{e.message}") end alias :request_parameters :POST # Returns the authorization header regardless of whether it was specified directly or through one of the # proxy alternatives. def authorization - @env['HTTP_AUTHORIZATION'] || - @env['X-HTTP_AUTHORIZATION'] || - @env['X_HTTP_AUTHORIZATION'] || - @env['REDIRECT_X_HTTP_AUTHORIZATION'] + get_header('HTTP_AUTHORIZATION') || + get_header('X-HTTP_AUTHORIZATION') || + get_header('X_HTTP_AUTHORIZATION') || + get_header('REDIRECT_X_HTTP_AUTHORIZATION') end - # True if the request came from localhost, 127.0.0.1. + # True if the request came from localhost, 127.0.0.1, or ::1. def local? LOCALHOST =~ remote_addr && LOCALHOST =~ remote_ip end - # Extracted into ActionDispatch::Request::Utils.deep_munge, but kept here for backwards compatibility. - def deep_munge(hash) - ActiveSupport::Deprecation.warn( - "This method has been extracted into ActionDispatch::Request::Utils.deep_munge. Please start using that instead." - ) + def request_parameters=(params) + raise if params.nil? + set_header("action_dispatch.request.request_parameters".freeze, params) + end - Utils.deep_munge(hash) + def logger + get_header("action_dispatch.logger".freeze) end - protected - def parse_query(qs) - Utils.deep_munge(super) - end + def commit_flash + end private def check_method(name) - HTTP_METHOD_LOOKUP[name] || raise(ActionController::UnknownHttpMethod, "#{name}, accepted HTTP methods are #{HTTP_METHODS.to_sentence(:locale => :en)}") + HTTP_METHOD_LOOKUP[name] || raise(ActionController::UnknownHttpMethod, "#{name}, accepted HTTP methods are #{HTTP_METHODS[0...-1].join(', ')}, and #{HTTP_METHODS[-1]}") name end end |