Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp - chromium/blink - Git at Google

 /*
  * Copyright (C) 2008, 2009, 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "config.h"
 #include "V8XMLHttpRequest.h"

 #include "V8ArrayBufferView.h"
 #include "V8Blob.h"
 #include "V8Document.h"
 #include "V8FormData.h"
 #include "V8HTMLDocument.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8Utilities.h"
 #include "bindings/v8/custom/V8ArrayBufferCustom.h"
 #include "core/dom/Document.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/page/Frame.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/xml/XMLHttpRequest.h"
 #include "wtf/ArrayBuffer.h"

 namespace WebCore {

 void V8XMLHttpRequest::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     ScriptExecutionContext* context = getScriptExecutionContext();

     RefPtr<SecurityOrigin> securityOrigin;
     if (context->isDocument()) {
         if (DOMWrapperWorld* world = isolatedWorldForEnteredContext())
             securityOrigin = world->isolatedWorldSecurityOrigin();
     }

     RefPtr<XMLHttpRequest> xmlHttpRequest = XMLHttpRequest::create(context, securityOrigin);

     v8::Handle<v8::Object> wrapper = args.Holder();
     V8DOMWrapper::associateObjectWithWrapper<V8XMLHttpRequest>(xmlHttpRequest.release(), &info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent);
     args.GetReturnValue().Set(wrapper);
 }

 void V8XMLHttpRequest::responseTextAttrGetterCustom(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
     ExceptionCode ec = 0;
     ScriptValue text = xmlHttpRequest->responseText(ec);
     if (ec) {
         setDOMException(ec, info.GetIsolate());
         return;
     }
     if (text.hasNoValue()) {
         v8SetReturnValueString(info, emptyString(), info.GetIsolate());
         return;
     }
     v8SetReturnValue(info, text.v8Value());
 }

 void V8XMLHttpRequest::responseAttrGetterCustom(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());

     switch (xmlHttpRequest->responseTypeCode()) {
     case XMLHttpRequest::ResponseTypeDefault:
     case XMLHttpRequest::ResponseTypeText:
         responseTextAttrGetterCustom(name, info);
         return;

     case XMLHttpRequest::ResponseTypeDocument:
         {
             ExceptionCode ec = 0;
             Document* document = xmlHttpRequest->responseXML(ec);
             if (ec) {
                 setDOMException(ec, info.GetIsolate());
                 return;
             }
             v8SetReturnValue(info, toV8Fast(document, info, xmlHttpRequest));
             return;
         }

     case XMLHttpRequest::ResponseTypeBlob:
         {
             ExceptionCode ec = 0;
             Blob* blob = xmlHttpRequest->responseBlob(ec);
             if (ec) {
                 setDOMException(ec, info.GetIsolate());
                 return;
             }
             v8SetReturnValue(info, toV8Fast(blob, info, xmlHttpRequest));
             return;
         }

     case XMLHttpRequest::ResponseTypeArrayBuffer:
         {
             ExceptionCode ec = 0;
             ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer(ec);
             if (ec) {
                 setDOMException(ec, info.GetIsolate());
                 return;
             }
             if (arrayBuffer && !arrayBuffer->hasDeallocationObserver()) {
                 arrayBuffer->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instance());
                 v8::V8::AdjustAmountOfExternalAllocatedMemory(arrayBuffer->byteLength());
             }
             v8SetReturnValue(info, toV8Fast(arrayBuffer, info, xmlHttpRequest));
             return;
         }
     }
 }

 void V8XMLHttpRequest::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     // Four cases:
     // open(method, url)
     // open(method, url, async)
     // open(method, url, async, user)
     // open(method, url, async, user, passwd)

     if (args.Length() < 2) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
     }

     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(args.Holder());

     String method = toWebCoreString(args[0]);
     String urlstring = toWebCoreString(args[1]);

     ScriptExecutionContext* context = getScriptExecutionContext();
     KURL url = context->completeURL(urlstring);

     ExceptionCode ec = 0;

     if (args.Length() >= 3) {
         bool async = args[2]->BooleanValue();

         if (args.Length() >= 4 && !args[3]->IsUndefined()) {
             String user = toWebCoreStringWithNullCheck(args[3]);

             if (args.Length() >= 5 && !args[4]->IsUndefined()) {
                 String passwd = toWebCoreStringWithNullCheck(args[4]);
                 xmlHttpRequest->open(method, url, async, user, passwd, ec);
             } else
                 xmlHttpRequest->open(method, url, async, user, ec);
         } else
             xmlHttpRequest->open(method, url, async, ec);
     } else
         xmlHttpRequest->open(method, url, ec);

     if (!ec)
         return;
     setDOMException(ec, args.GetIsolate());
 }

 static bool isDocumentType(v8::Handle<v8::Value> value, v8::Isolate* isolate, WrapperWorldType currentWorldType)
 {
     // FIXME: add other document types.
     return V8Document::HasInstance(value, isolate, currentWorldType) || V8HTMLDocument::HasInstance(value, isolate, currentWorldType);
 }

 void V8XMLHttpRequest::sendMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(args.Holder());

     InspectorInstrumentation::willSendXMLHttpRequest(xmlHttpRequest->scriptExecutionContext(), xmlHttpRequest->url());

     ExceptionCode ec = 0;
     if (args.Length() < 1)
         xmlHttpRequest->send(ec);
     else {
         v8::Handle<v8::Value> arg = args[0];
         WrapperWorldType currentWorldType = worldType(args.GetIsolate());
         if (isUndefinedOrNull(arg))
             xmlHttpRequest->send(ec);
         else if (isDocumentType(arg, args.GetIsolate(), currentWorldType)) {
             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
             Document* document = V8Document::toNative(object);
             ASSERT(document);
             xmlHttpRequest->send(document, ec);
         } else if (V8Blob::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
             Blob* blob = V8Blob::toNative(object);
             ASSERT(blob);
             xmlHttpRequest->send(blob, ec);
         } else if (V8FormData::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
             DOMFormData* domFormData = V8FormData::toNative(object);
             ASSERT(domFormData);
             xmlHttpRequest->send(domFormData, ec);
         } else if (V8ArrayBuffer::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
             ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(object);
             ASSERT(arrayBuffer);
             xmlHttpRequest->send(arrayBuffer, ec);
         } else if (V8ArrayBufferView::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
             ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(object);
             ASSERT(arrayBufferView);
             xmlHttpRequest->send(arrayBufferView, ec);
         } else
             xmlHttpRequest->send(toWebCoreStringWithNullCheck(arg), ec);
     }

     if (!ec)
         return;

     setDOMException(ec, args.GetIsolate());
 }

 } // namespace WebCore
	/*
	* Copyright (C) 2008, 2009, 2010 Google Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are
	* met:
	*
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following disclaimer
	* in the documentation and/or other materials provided with the
	* distribution.
	* * Neither the name of Google Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from
	* this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "config.h"
	#include "V8XMLHttpRequest.h"

	#include "V8ArrayBufferView.h"
	#include "V8Blob.h"
	#include "V8Document.h"
	#include "V8FormData.h"
	#include "V8HTMLDocument.h"
	#include "bindings/v8/V8Binding.h"
	#include "bindings/v8/V8Utilities.h"
	#include "bindings/v8/custom/V8ArrayBufferCustom.h"
	#include "core/dom/Document.h"
	#include "core/inspector/InspectorInstrumentation.h"
	#include "core/page/Frame.h"
	#include "core/workers/WorkerGlobalScope.h"
	#include "core/xml/XMLHttpRequest.h"
	#include "wtf/ArrayBuffer.h"

	namespace WebCore {

	void V8XMLHttpRequest::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
	{
	ScriptExecutionContext* context = getScriptExecutionContext();

	RefPtr<SecurityOrigin> securityOrigin;
	if (context->isDocument()) {
	if (DOMWrapperWorld* world = isolatedWorldForEnteredContext())
	securityOrigin = world->isolatedWorldSecurityOrigin();
	}

	RefPtr<XMLHttpRequest> xmlHttpRequest = XMLHttpRequest::create(context, securityOrigin);

	v8::Handle<v8::Object> wrapper = args.Holder();
	V8DOMWrapper::associateObjectWithWrapper<V8XMLHttpRequest>(xmlHttpRequest.release(), &info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent);
	args.GetReturnValue().Set(wrapper);
	}

	void V8XMLHttpRequest::responseTextAttrGetterCustom(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
	{
	XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
	ExceptionCode ec = 0;
	ScriptValue text = xmlHttpRequest->responseText(ec);
	if (ec) {
	setDOMException(ec, info.GetIsolate());
	return;
	}
	if (text.hasNoValue()) {
	v8SetReturnValueString(info, emptyString(), info.GetIsolate());
	return;
	}
	v8SetReturnValue(info, text.v8Value());
	}

	void V8XMLHttpRequest::responseAttrGetterCustom(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
	{
	XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());

	switch (xmlHttpRequest->responseTypeCode()) {
	case XMLHttpRequest::ResponseTypeDefault:
	case XMLHttpRequest::ResponseTypeText:
	responseTextAttrGetterCustom(name, info);
	return;

	case XMLHttpRequest::ResponseTypeDocument:
	{
	ExceptionCode ec = 0;
	Document* document = xmlHttpRequest->responseXML(ec);
	if (ec) {
	setDOMException(ec, info.GetIsolate());
	return;
	}
	v8SetReturnValue(info, toV8Fast(document, info, xmlHttpRequest));
	return;
	}

	case XMLHttpRequest::ResponseTypeBlob:
	{
	ExceptionCode ec = 0;
	Blob* blob = xmlHttpRequest->responseBlob(ec);
	if (ec) {
	setDOMException(ec, info.GetIsolate());
	return;
	}
	v8SetReturnValue(info, toV8Fast(blob, info, xmlHttpRequest));
	return;
	}

	case XMLHttpRequest::ResponseTypeArrayBuffer:
	{
	ExceptionCode ec = 0;
	ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer(ec);
	if (ec) {
	setDOMException(ec, info.GetIsolate());
	return;
	}
	if (arrayBuffer && !arrayBuffer->hasDeallocationObserver()) {
	arrayBuffer->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instance());
	v8::V8::AdjustAmountOfExternalAllocatedMemory(arrayBuffer->byteLength());
	}
	v8SetReturnValue(info, toV8Fast(arrayBuffer, info, xmlHttpRequest));
	return;
	}
	}
	}

	void V8XMLHttpRequest::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
	{
	// Four cases:
	// open(method, url)
	// open(method, url, async)
	// open(method, url, async, user)
	// open(method, url, async, user, passwd)

	if (args.Length() < 2) {
	throwNotEnoughArgumentsError(args.GetIsolate());
	return;
	}

	XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(args.Holder());

	String method = toWebCoreString(args[0]);
	String urlstring = toWebCoreString(args[1]);

	ScriptExecutionContext* context = getScriptExecutionContext();
	KURL url = context->completeURL(urlstring);

	ExceptionCode ec = 0;

	if (args.Length() >= 3) {
	bool async = args[2]->BooleanValue();

	if (args.Length() >= 4 && !args[3]->IsUndefined()) {
	String user = toWebCoreStringWithNullCheck(args[3]);

	if (args.Length() >= 5 && !args[4]->IsUndefined()) {
	String passwd = toWebCoreStringWithNullCheck(args[4]);
	xmlHttpRequest->open(method, url, async, user, passwd, ec);
	} else
	xmlHttpRequest->open(method, url, async, user, ec);
	} else
	xmlHttpRequest->open(method, url, async, ec);
	} else
	xmlHttpRequest->open(method, url, ec);

	if (!ec)
	return;
	setDOMException(ec, args.GetIsolate());
	}

	static bool isDocumentType(v8::Handle<v8::Value> value, v8::Isolate* isolate, WrapperWorldType currentWorldType)
	{
	// FIXME: add other document types.
	return V8Document::HasInstance(value, isolate, currentWorldType) \|\| V8HTMLDocument::HasInstance(value, isolate, currentWorldType);
	}

	void V8XMLHttpRequest::sendMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
	{
	XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(args.Holder());

	InspectorInstrumentation::willSendXMLHttpRequest(xmlHttpRequest->scriptExecutionContext(), xmlHttpRequest->url());

	ExceptionCode ec = 0;
	if (args.Length() < 1)
	xmlHttpRequest->send(ec);
	else {
	v8::Handle<v8::Value> arg = args[0];
	WrapperWorldType currentWorldType = worldType(args.GetIsolate());
	if (isUndefinedOrNull(arg))
	xmlHttpRequest->send(ec);
	else if (isDocumentType(arg, args.GetIsolate(), currentWorldType)) {
	v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
	Document* document = V8Document::toNative(object);
	ASSERT(document);
	xmlHttpRequest->send(document, ec);
	} else if (V8Blob::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
	v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
	Blob* blob = V8Blob::toNative(object);
	ASSERT(blob);
	xmlHttpRequest->send(blob, ec);
	} else if (V8FormData::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
	v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
	DOMFormData* domFormData = V8FormData::toNative(object);
	ASSERT(domFormData);
	xmlHttpRequest->send(domFormData, ec);
	} else if (V8ArrayBuffer::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
	v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
	ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(object);
	ASSERT(arrayBuffer);
	xmlHttpRequest->send(arrayBuffer, ec);
	} else if (V8ArrayBufferView::HasInstance(arg, args.GetIsolate(), currentWorldType)) {
	v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
	ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(object);
	ASSERT(arrayBufferView);
	xmlHttpRequest->send(arrayBufferView, ec);
	} else
	xmlHttpRequest->send(toWebCoreStringWithNullCheck(arg), ec);
	}

	if (!ec)
	return;

	setDOMException(ec, args.GetIsolate());
	}

	} // namespace WebCore