From 9b83e3396180d0dbcb23ec3d71adb198eae7629b Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Wed, 21 Nov 2007 15:17:04 +0000
Subject: Ousted ActionWebService from Rails 2.0

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8180 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../lib/action_web_service/dispatcher/abstract.rb  | 207 -----------
 .../dispatcher/action_controller_dispatcher.rb     | 379 ---------------------
 2 files changed, 586 deletions(-)
 delete mode 100644 actionwebservice/lib/action_web_service/dispatcher/abstract.rb
 delete mode 100644 actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb

(limited to 'actionwebservice/lib/action_web_service/dispatcher')

diff --git a/actionwebservice/lib/action_web_service/dispatcher/abstract.rb b/actionwebservice/lib/action_web_service/dispatcher/abstract.rb
deleted file mode 100644
index cb94d649e7..0000000000
--- a/actionwebservice/lib/action_web_service/dispatcher/abstract.rb
+++ /dev/null
@@ -1,207 +0,0 @@
-require 'benchmark'
-
-module ActionWebService # :nodoc:
-  module Dispatcher # :nodoc:
-    class DispatcherError < ActionWebService::ActionWebServiceError # :nodoc:
-      def initialize(*args)
-        super
-        set_backtrace(caller)
-      end
-    end
-
-    def self.included(base) # :nodoc:
-      base.class_inheritable_option(:web_service_dispatching_mode, :direct)
-      base.class_inheritable_option(:web_service_exception_reporting, true)
-      base.send(:include, ActionWebService::Dispatcher::InstanceMethods)
-    end
-
-    module InstanceMethods # :nodoc:
-      private
-        def invoke_web_service_request(protocol_request)
-          invocation = web_service_invocation(protocol_request)
-          if invocation.is_a?(Array) && protocol_request.protocol.is_a?(Protocol::XmlRpc::XmlRpcProtocol)
-            xmlrpc_multicall_invoke(invocation)
-          else
-            web_service_invoke(invocation)
-          end
-        end
-      
-        def web_service_direct_invoke(invocation)
-          @method_params = invocation.method_ordered_params
-          arity = method(invocation.api_method.name).arity rescue 0
-          if arity < 0 || arity > 0
-            params = @method_params
-          else
-            params = []
-          end
-          web_service_filtered_invoke(invocation, params)
-        end
-
-        def web_service_delegated_invoke(invocation)
-          web_service_filtered_invoke(invocation, invocation.method_ordered_params)
-        end
-
-        def web_service_filtered_invoke(invocation, params)
-          cancellation_reason = nil
-          return_value = invocation.service.perform_invocation(invocation.api_method.name, params) do |x|
-            cancellation_reason = x
-          end
-          if cancellation_reason
-            raise(DispatcherError, "request canceled: #{cancellation_reason}")
-          end
-          return_value
-        end
-        
-        def web_service_invoke(invocation)
-          case web_service_dispatching_mode
-          when :direct
-            return_value = web_service_direct_invoke(invocation)
-          when :delegated, :layered
-            return_value = web_service_delegated_invoke(invocation)
-          end
-          web_service_create_response(invocation.protocol, invocation.protocol_options, invocation.api, invocation.api_method, return_value)
-        end
-        
-        def xmlrpc_multicall_invoke(invocations)
-          responses = []
-          invocations.each do |invocation|
-            if invocation.is_a?(Hash)
-              responses << [invocation, nil]
-              next
-            end
-            begin
-              case web_service_dispatching_mode
-              when :direct
-                return_value = web_service_direct_invoke(invocation)
-              when :delegated, :layered
-                return_value = web_service_delegated_invoke(invocation)
-              end
-              api_method = invocation.api_method
-              if invocation.api.has_api_method?(api_method.name)
-                response_type = (api_method.returns ? api_method.returns[0] : nil)
-                return_value = api_method.cast_returns(return_value)
-              else
-                response_type = ActionWebService::SignatureTypes.canonical_signature_entry(return_value.class, 0)
-              end
-              responses << [return_value, response_type]
-            rescue Exception => e
-              responses << [{ 'faultCode' => 3, 'faultString' => e.message }, nil]
-            end
-          end
-          invocation = invocations[0]
-          invocation.protocol.encode_multicall_response(responses, invocation.protocol_options)
-        end
-
-        def web_service_invocation(request, level = 0)
-          public_method_name = request.method_name
-          invocation = Invocation.new
-          invocation.protocol = request.protocol
-          invocation.protocol_options = request.protocol_options
-          invocation.service_name = request.service_name
-          if web_service_dispatching_mode == :layered
-            case invocation.protocol
-            when Protocol::Soap::SoapProtocol
-              soap_action = request.protocol_options[:soap_action]
-              if soap_action && soap_action =~ /^\/\w+\/(\w+)\//
-                invocation.service_name = $1
-              end
-            when Protocol::XmlRpc::XmlRpcProtocol
-              if request.method_name =~ /^([^\.]+)\.(.*)$/
-                public_method_name = $2
-                invocation.service_name = $1
-              end
-            end
-          end
-          if invocation.protocol.is_a? Protocol::XmlRpc::XmlRpcProtocol
-            if public_method_name == 'multicall' && invocation.service_name == 'system'
-              if level > 0
-                raise(DispatcherError, "Recursive system.multicall invocations not allowed")
-              end
-              multicall = request.method_params.dup
-              unless multicall.is_a?(Array) && multicall[0].is_a?(Array)
-                raise(DispatcherError, "Malformed multicall (expected array of Hash elements)")
-              end
-              multicall = multicall[0]
-              return multicall.map do |item|
-                raise(DispatcherError, "Multicall elements must be Hash") unless item.is_a?(Hash)
-                raise(DispatcherError, "Multicall elements must contain a 'methodName' key") unless item.has_key?('methodName')
-                method_name = item['methodName']
-                params = item.has_key?('params') ? item['params'] : []
-                multicall_request = request.dup
-                multicall_request.method_name = method_name
-                multicall_request.method_params = params
-                begin
-                  web_service_invocation(multicall_request, level + 1)
-                rescue Exception => e
-                  {'faultCode' => 4, 'faultMessage' => e.message}
-                end
-              end
-            end
-          end
-          case web_service_dispatching_mode
-          when :direct
-            invocation.api = self.class.web_service_api
-            invocation.service = self
-          when :delegated, :layered
-            invocation.service = web_service_object(invocation.service_name)
-            invocation.api = invocation.service.class.web_service_api
-          end
-          if invocation.api.nil?
-            raise(DispatcherError, "no API attached to #{invocation.service.class}")
-          end
-          invocation.protocol.register_api(invocation.api)
-          request.api = invocation.api
-          if invocation.api.has_public_api_method?(public_method_name)
-            invocation.api_method = invocation.api.public_api_method_instance(public_method_name)
-          else
-            if invocation.api.default_api_method.nil?
-              raise(DispatcherError, "no such method '#{public_method_name}' on API #{invocation.api}")
-            else
-              invocation.api_method = invocation.api.default_api_method_instance
-            end
-          end
-          if invocation.service.nil?
-            raise(DispatcherError, "no service available for service name #{invocation.service_name}")
-          end
-          unless invocation.service.respond_to?(invocation.api_method.name)
-            raise(DispatcherError, "no such method '#{public_method_name}' on API #{invocation.api} (#{invocation.api_method.name})")
-          end
-          request.api_method = invocation.api_method
-          begin
-            invocation.method_ordered_params = invocation.api_method.cast_expects(request.method_params.dup)
-          rescue
-            logger.warn "Casting of method parameters failed" unless logger.nil?
-            invocation.method_ordered_params = request.method_params
-          end
-          request.method_params = invocation.method_ordered_params
-          invocation.method_named_params = {}
-          invocation.api_method.param_names.inject(0) do |m, n|
-            invocation.method_named_params[n] = invocation.method_ordered_params[m]
-            m + 1
-          end
-          invocation
-        end
-
-        def web_service_create_response(protocol, protocol_options, api, api_method, return_value)
-          if api.has_api_method?(api_method.name)
-            return_type = api_method.returns ? api_method.returns[0] : nil
-            return_value = api_method.cast_returns(return_value)
-          else
-            return_type = ActionWebService::SignatureTypes.canonical_signature_entry(return_value.class, 0)
-          end
-          protocol.encode_response(api_method.public_name + 'Response', return_value, return_type, protocol_options)
-        end
-
-        class Invocation # :nodoc:
-          attr_accessor :protocol
-          attr_accessor :protocol_options
-          attr_accessor :service_name
-          attr_accessor :api
-          attr_accessor :api_method
-          attr_accessor :method_ordered_params
-          attr_accessor :method_named_params
-          attr_accessor :service
-        end
-    end
-  end
-end
diff --git a/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb b/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
deleted file mode 100644
index f9995197a0..0000000000
--- a/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
+++ /dev/null
@@ -1,379 +0,0 @@
-require 'benchmark'
-require 'builder/xmlmarkup'
-
-module ActionWebService # :nodoc:
-  module Dispatcher # :nodoc:
-    module ActionController # :nodoc:
-      def self.included(base) # :nodoc:
-        class << base
-          include ClassMethods
-          alias_method_chain :inherited, :action_controller
-        end
-        base.class_eval do
-          alias_method :web_service_direct_invoke_without_controller, :web_service_direct_invoke
-        end
-        base.add_web_service_api_callback do |klass, api|
-          if klass.web_service_dispatching_mode == :direct
-            klass.class_eval 'def api; dispatch_web_service_request; end'
-          end
-        end
-        base.add_web_service_definition_callback do |klass, name, info|
-          if klass.web_service_dispatching_mode == :delegated
-            klass.class_eval "def #{name}; dispatch_web_service_request; end"
-          elsif klass.web_service_dispatching_mode == :layered
-            klass.class_eval 'def api; dispatch_web_service_request; end'
-          end
-        end
-        base.send(:include, ActionWebService::Dispatcher::ActionController::InstanceMethods)
-      end
-
-      module ClassMethods # :nodoc:
-        def inherited_with_action_controller(child)
-          inherited_without_action_controller(child)
-          child.send(:include, ActionWebService::Dispatcher::ActionController::WsdlAction)
-        end
-      end
-
-      module InstanceMethods # :nodoc:
-        private
-          def dispatch_web_service_request
-            method = request.method.to_s.upcase
-            allowed_methods = self.class.web_service_api ? (self.class.web_service_api.allowed_http_methods || []) : [ :post ]
-            allowed_methods = allowed_methods.map{|m| m.to_s.upcase }
-            if !allowed_methods.include?(method)
-              render :text => "#{method} not supported", :status=>500
-              return
-            end
-            exception = nil
-            begin
-              ws_request = discover_web_service_request(request)
-            rescue Exception => e
-              exception = e
-            end
-            if ws_request
-              ws_response = nil
-              exception = nil
-              bm = Benchmark.measure do
-                begin
-                  ws_response = invoke_web_service_request(ws_request)
-                rescue Exception => e
-                  exception = e
-                end
-              end
-              log_request(ws_request, request.raw_post)
-              if exception
-                log_error(exception) unless logger.nil?
-                send_web_service_error_response(ws_request, exception)
-              else
-                send_web_service_response(ws_response, bm.real)
-              end
-            else
-              exception ||= DispatcherError.new("Malformed SOAP or XML-RPC protocol message")
-              log_error(exception) unless logger.nil?
-              send_web_service_error_response(ws_request, exception)
-            end
-          rescue Exception => e
-            log_error(e) unless logger.nil?
-            send_web_service_error_response(ws_request, e)
-          end
-
-          def send_web_service_response(ws_response, elapsed=nil)
-            log_response(ws_response, elapsed)
-            options = { :type => ws_response.content_type, :disposition => 'inline' }
-            send_data(ws_response.body, options)
-          end
-
-          def send_web_service_error_response(ws_request, exception)
-            if ws_request
-              unless self.class.web_service_exception_reporting
-                exception = DispatcherError.new("Internal server error (exception raised)")
-              end
-              api_method = ws_request.api_method
-              public_method_name = api_method ? api_method.public_name : ws_request.method_name
-              return_type = ActionWebService::SignatureTypes.canonical_signature_entry(Exception, 0)
-              ws_response = ws_request.protocol.encode_response(public_method_name + 'Response', exception, return_type, ws_request.protocol_options)
-              send_web_service_response(ws_response)
-            else
-              if self.class.web_service_exception_reporting
-                message = exception.message
-                backtrace = "\nBacktrace:\n#{exception.backtrace.join("\n")}"
-              else
-                message = "Exception raised"
-                backtrace = ""
-              end
-              render :text => "Internal protocol error: #{message}#{backtrace}", :status => 500
-            end
-          end
-
-          def web_service_direct_invoke(invocation)
-            invocation.method_named_params.each do |name, value|
-              params[name] = value
-            end
-            web_service_direct_invoke_without_controller(invocation)
-          end
-
-          def log_request(ws_request, body)
-            unless logger.nil?
-              name = ws_request.method_name
-              api_method = ws_request.api_method
-              params = ws_request.method_params
-              if api_method && api_method.expects
-                params = api_method.expects.zip(params).map{ |type, param| "#{type.name}=>#{param.inspect}" }
-              else
-                params = params.map{ |param| param.inspect }
-              end
-              service = ws_request.service_name
-              logger.debug("\nWeb Service Request: #{name}(#{params.join(", ")}) Entrypoint: #{service}")
-              logger.debug(indent(body))
-            end
-          end
-
-          def log_response(ws_response, elapsed=nil)
-            unless logger.nil?
-              elapsed = (elapsed ? " (%f):" % elapsed : ":")
-              logger.debug("\nWeb Service Response" + elapsed + " => #{ws_response.return_value.inspect}")
-              logger.debug(indent(ws_response.body))
-            end
-          end
-
-          def indent(body)
-            body.split(/\n/).map{|x| "  #{x}"}.join("\n")
-          end
-      end
-
-      module WsdlAction # :nodoc:
-        XsdNs             = 'http://www.w3.org/2001/XMLSchema'
-        WsdlNs            = 'http://schemas.xmlsoap.org/wsdl/'
-        SoapNs            = 'http://schemas.xmlsoap.org/wsdl/soap/'
-        SoapEncodingNs    = 'http://schemas.xmlsoap.org/soap/encoding/'
-        SoapHttpTransport = 'http://schemas.xmlsoap.org/soap/http'
-
-        def wsdl
-          case request.method
-          when :get
-            begin
-              options = { :type => 'text/xml', :disposition => 'inline' }
-              send_data(to_wsdl, options)
-            rescue Exception => e
-              log_error(e) unless logger.nil?
-            end
-          when :post
-            render :text => 'POST not supported', :status => 500
-          end
-        end
-
-        private
-          def base_uri
-            host = request.host_with_port
-            relative_url_root = request.relative_url_root
-            scheme = request.ssl? ? 'https' : 'http'
-            '%s://%s%s/%s/' % [scheme, host, relative_url_root, self.class.controller_path]
-          end
-
-          def to_wsdl
-            xml = ''
-            dispatching_mode = web_service_dispatching_mode
-            global_service_name = wsdl_service_name
-            namespace = wsdl_namespace || 'urn:ActionWebService'
-            soap_action_base = "/#{controller_name}"
-
-            marshaler = ActionWebService::Protocol::Soap::SoapMarshaler.new(namespace)
-            apis = {}
-            case dispatching_mode
-            when :direct
-              api = self.class.web_service_api
-              web_service_name = controller_class_name.sub(/Controller$/, '').underscore
-              apis[web_service_name] = [api, register_api(api, marshaler)]
-            when :delegated, :layered
-              self.class.web_services.each do |web_service_name, info|
-                service = web_service_object(web_service_name)
-                api = service.class.web_service_api
-                apis[web_service_name] = [api, register_api(api, marshaler)]
-              end
-            end
-            custom_types = []
-            apis.values.each do |api, bindings|
-              bindings.each do |b|
-                custom_types << b unless custom_types.include?(b)
-              end
-            end
-
-            xm = Builder::XmlMarkup.new(:target => xml, :indent => 2)
-            xm.instruct!
-            xm.definitions('name'            => wsdl_service_name,
-                           'targetNamespace' => namespace,
-                           'xmlns:typens'    => namespace,
-                           'xmlns:xsd'       => XsdNs,
-                           'xmlns:soap'      => SoapNs,
-                           'xmlns:soapenc'   => SoapEncodingNs,
-                           'xmlns:wsdl'      => WsdlNs,
-                           'xmlns'           => WsdlNs) do
-              # Generate XSD
-              if custom_types.size > 0
-                xm.types do
-                  xm.xsd(:schema, 'xmlns' => XsdNs, 'targetNamespace' => namespace) do
-                    custom_types.each do |binding|
-                      case
-                      when binding.type.array?
-                        xm.xsd(:complexType, 'name' => binding.type_name) do
-                          xm.xsd(:complexContent) do
-                            xm.xsd(:restriction, 'base' => 'soapenc:Array') do
-                              xm.xsd(:attribute, 'ref' => 'soapenc:arrayType',
-                                                 'wsdl:arrayType' => binding.element_binding.qualified_type_name('typens') + '[]')
-                            end
-                          end
-                        end
-                      when binding.type.structured?
-                        xm.xsd(:complexType, 'name' => binding.type_name) do
-                          xm.xsd(:all) do
-                            binding.type.each_member do |name, type|
-                              b = marshaler.register_type(type)
-                              xm.xsd(:element, 'name' => name, 'type' => b.qualified_type_name('typens'))
-                            end
-                          end
-                        end
-                      end
-                    end
-                  end
-                end
-              end
-
-              # APIs
-              apis.each do |api_name, values|
-                api = values[0]
-                api.api_methods.each do |name, method|
-                  gen = lambda do |msg_name, direction|
-                    xm.message('name' => message_name_for(api_name, msg_name)) do
-                      sym = nil
-                      if direction == :out
-                        returns = method.returns
-                        if returns
-                          binding = marshaler.register_type(returns[0])
-                          xm.part('name' => 'return', 'type' => binding.qualified_type_name('typens'))
-                        end
-                      else
-                        expects = method.expects
-                        expects.each do |type|
-                          binding = marshaler.register_type(type)
-                          xm.part('name' => type.name, 'type' => binding.qualified_type_name('typens'))
-                        end if expects
-                      end
-                    end
-                  end
-                  public_name = method.public_name
-                  gen.call(public_name, :in)
-                  gen.call("#{public_name}Response", :out)
-                end
-
-                # Port
-                port_name = port_name_for(global_service_name, api_name)
-                xm.portType('name' => port_name) do
-                  api.api_methods.each do |name, method|
-                    xm.operation('name' => method.public_name) do
-                      xm.input('message' => "typens:" + message_name_for(api_name, method.public_name))
-                      xm.output('message' => "typens:" + message_name_for(api_name, "#{method.public_name}Response"))
-                    end
-                  end
-                end
-
-                # Bind it
-                binding_name = binding_name_for(global_service_name, api_name)
-                xm.binding('name' => binding_name, 'type' => "typens:#{port_name}") do
-                  xm.soap(:binding, 'style' => 'rpc', 'transport' => SoapHttpTransport)
-                  api.api_methods.each do |name, method|
-                    xm.operation('name' => method.public_name) do
-                      case web_service_dispatching_mode
-                      when :direct
-                        soap_action = soap_action_base + "/api/" + method.public_name
-                      when :delegated, :layered
-                        soap_action = soap_action_base \
-                                    + "/" + api_name.to_s \
-                                    + "/" + method.public_name
-                      end
-                      xm.soap(:operation, 'soapAction' => soap_action)
-                      xm.input do
-                        xm.soap(:body,
-                                'use'           => 'encoded',
-                                'namespace'     => namespace,
-                                'encodingStyle' => SoapEncodingNs)
-                      end
-                      xm.output do
-                        xm.soap(:body,
-                                'use'           => 'encoded',
-                                'namespace'     => namespace,
-                                'encodingStyle' => SoapEncodingNs)
-                      end
-                    end
-                  end
-                end
-              end
-
-              # Define it
-              xm.service('name' => "#{global_service_name}Service") do
-                apis.each do |api_name, values|
-                  port_name = port_name_for(global_service_name, api_name)
-                  binding_name = binding_name_for(global_service_name,  api_name)
-                  case web_service_dispatching_mode
-                  when :direct, :layered
-                    binding_target = 'api'
-                  when :delegated
-                    binding_target = api_name.to_s
-                  end
-                  xm.port('name' => port_name, 'binding' => "typens:#{binding_name}") do
-                    xm.soap(:address, 'location' => "#{base_uri}#{binding_target}")
-                  end
-                end
-              end
-            end
-          end
-
-          def port_name_for(global_service, service)
-            "#{global_service}#{service.to_s.camelize}Port"
-          end
-
-          def binding_name_for(global_service, service)
-            "#{global_service}#{service.to_s.camelize}Binding"
-          end
-
-          def message_name_for(api_name, message_name)
-            mode = web_service_dispatching_mode
-            if mode == :layered || mode == :delegated
-              api_name.to_s + '-' + message_name
-            else
-              message_name
-            end
-          end
-
-          def register_api(api, marshaler)
-            bindings = {}
-            traverse_custom_types(api, marshaler, bindings) do |binding|
-              bindings[binding] = nil unless bindings.has_key?(binding)
-              element_binding = binding.element_binding
-              bindings[element_binding] = nil if element_binding && !bindings.has_key?(element_binding)
-            end
-            bindings.keys
-          end
-
-          def traverse_custom_types(api, marshaler, bindings, &block)
-            api.api_methods.each do |name, method|
-              expects, returns = method.expects, method.returns
-              expects.each{ |type| traverse_type(marshaler, type, bindings, &block) if type.custom? } if expects
-              returns.each{ |type| traverse_type(marshaler, type, bindings, &block) if type.custom? } if returns
-            end
-          end
-
-          def traverse_type(marshaler, type, bindings, &block)
-            binding = marshaler.register_type(type)
-            return if bindings.has_key?(binding)
-            bindings[binding] = nil
-            yield binding
-            if type.array?
-              yield marshaler.register_type(type.element_type)
-              type = type.element_type
-            end
-            type.each_member{ |name, type| traverse_type(marshaler, type, bindings, &block) } if type.structured?
-          end
-       end
-    end
-  end
-end
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