src/third_party/WebKit/Source/bindings/v8/custom/V8XMLHttpRequestCustom.cpp

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  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
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  30
  31 #include "config.h"
  32 #include "V8XMLHttpRequest.h"
  33
  34 #include "V8Blob.h"
  35 #include "V8Document.h"
  36 #include "V8FormData.h"
  37 #include "V8HTMLDocument.h"
  38 #include "V8Stream.h"
  39 #include "bindings/v8/ExceptionMessages.h"
  40 #include "bindings/v8/ExceptionState.h"
  41 #include "bindings/v8/V8Binding.h"
  42 #include "bindings/v8/custom/V8ArrayBufferCustom.h"
  43 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h"
  44 #include "core/dom/Document.h"
  45 #include "core/fileapi/Stream.h"
  46 #include "core/inspector/InspectorInstrumentation.h"
  47 #include "core/workers/WorkerGlobalScope.h"
  48 #include "core/xml/XMLHttpRequest.h"
  49 #include "wtf/ArrayBuffer.h"
  50 #include <v8.h>
  51
  52 namespace WebCore {
  53
  54 void V8XMLHttpRequest::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  55 {
  56     ExecutionContext* context = currentExecutionContext(info.GetIsolate());
  57
  58     RefPtr<SecurityOrigin> securityOrigin;
  59     if (context->isDocument()) {
  60         DOMWrapperWorld* world = DOMWrapperWorld::current(info.GetIsolate());
  61         if (world->isIsolatedWorld())
  62             securityOrigin = world->isolatedWorldSecurityOrigin();
  63     }
  64
  65     RefPtrWillBeRawPtr<XMLHttpRequest> xmlHttpRequest = XMLHttpRequest::create(context, securityOrigin);
  66
  67     v8::Handle<v8::Object> wrapper = info.Holder();
  68     V8DOMWrapper::associateObjectWithWrapper<V8XMLHttpRequest>(xmlHttpRequest.release(), &wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
  69     info.GetReturnValue().Set(wrapper);
  70 }
  71
  72 void V8XMLHttpRequest::responseTextAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
  73 {
  74     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
  75     ExceptionState exceptionState(ExceptionState::GetterContext, "responseText", "XMLHttpRequest", info.Holder(), info.GetIsolate());
  76     ScriptValue text = xmlHttpRequest->responseText(exceptionState);
  77     if (exceptionState.throwIfNeeded())
  78         return;
  79     if (text.hasNoValue()) {
  80         v8SetReturnValueString(info, emptyString(), info.GetIsolate());
  81         return;
  82     }
  83     v8SetReturnValue(info, text.v8Value());
  84 }
  85
  86 void V8XMLHttpRequest::responseAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
  87 {
  88     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
  89
  90     switch (xmlHttpRequest->responseTypeCode()) {
  91     case XMLHttpRequest::ResponseTypeDefault:
  92     case XMLHttpRequest::ResponseTypeText:
  93         responseTextAttributeGetterCustom(info);
  94         return;
  95
  96     case XMLHttpRequest::ResponseTypeJSON:
  97         {
  98             v8::Isolate* isolate = info.GetIsolate();
  99
 100             ScriptString jsonSource = xmlHttpRequest->responseJSONSource();
 101             if (jsonSource.hasNoValue() || !jsonSource.v8Value()->IsString()) {
 102                 v8SetReturnValue(info, v8::Null(isolate));
 103                 return;
 104             }
 105
 106             // Catch syntax error.
 107             v8::TryCatch exceptionCatcher;
 108
 109             v8::Handle<v8::Value> json = v8::JSON::Parse(jsonSource.v8Value().As<v8::String>());
 110
 111             if (exceptionCatcher.HasCaught() || json.IsEmpty())
 112                 v8SetReturnValue(info, v8::Null(isolate));
 113             else
 114                 v8SetReturnValue(info, json);
 115
 116             return;
 117         }
 118
 119     case XMLHttpRequest::ResponseTypeDocument:
 120         {
 121             ExceptionState exceptionState(ExceptionState::GetterContext, "response", "XMLHttpRequest", info.Holder(), info.GetIsolate());
 122             Document* document = xmlHttpRequest->responseXML(exceptionState);
 123             if (exceptionState.throwIfNeeded())
 124                 return;
 125             v8SetReturnValueFast(info, document, xmlHttpRequest);
 126             return;
 127         }
 128
 129     case XMLHttpRequest::ResponseTypeBlob:
 130         {
 131             Blob* blob = xmlHttpRequest->responseBlob();
 132             v8SetReturnValueFast(info, blob, xmlHttpRequest);
 133             return;
 134         }
 135
 136     case XMLHttpRequest::ResponseTypeStream:
 137         {
 138             Stream* stream = xmlHttpRequest->responseStream();
 139             v8SetReturnValueFast(info, stream, xmlHttpRequest);
 140             return;
 141         }
 142
 143     case XMLHttpRequest::ResponseTypeArrayBuffer:
 144         {
 145             ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer();
 146             if (arrayBuffer) {
 147                 arrayBuffer->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instanceTemplate());
 148             }
 149             v8SetReturnValueFast(info, arrayBuffer, xmlHttpRequest);
 150             return;
 151         }
 152     }
 153 }
 154
 155 void V8XMLHttpRequest::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 156 {
 157     // Four cases:
 158     // open(method, url)
 159     // open(method, url, async)
 160     // open(method, url, async, user)
 161     // open(method, url, async, user, passwd)
 162
 163     ExceptionState exceptionState(ExceptionState::ExecutionContext, "open", "XMLHttpRequest", info.Holder(), info.GetIsolate());
 164
 165     if (info.Length() < 2) {
 166         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
 167         exceptionState.throwIfNeeded();
 168         return;
 169     }
 170
 171     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
 172
 173     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, method, info[0]);
 174     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, urlstring, info[1]);
 175
 176     ExecutionContext* context = currentExecutionContext(info.GetIsolate());
 177     KURL url = context->completeURL(urlstring);
 178
 179     if (info.Length() >= 3) {
 180         bool async = info[2]->BooleanValue();
 181
 182         if (info.Length() >= 4 && !info[3]->IsUndefined()) {
 183             V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, user, info[3]);
 184
 185             if (info.Length() >= 5 && !info[4]->IsUndefined()) {
 186                 V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, password, info[4]);
 187                 xmlHttpRequest->open(method, url, async, user, password, exceptionState);
 188             } else {
 189                 xmlHttpRequest->open(method, url, async, user, exceptionState);
 190             }
 191         } else {
 192             xmlHttpRequest->open(method, url, async, exceptionState);
 193         }
 194     } else {
 195         xmlHttpRequest->open(method, url, exceptionState);
 196     }
 197
 198     exceptionState.throwIfNeeded();
 199 }
 200
 201 static bool isDocumentType(v8::Handle<v8::Value> value, v8::Isolate* isolate)
 202 {
 203     // FIXME: add other document types.
 204     return V8Document::hasInstance(value, isolate) || V8HTMLDocument::hasInstance(value, isolate);
 205 }
 206
 207 void V8XMLHttpRequest::sendMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 208 {
 209     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
 210
 211     InspectorInstrumentation::willSendXMLHttpRequest(xmlHttpRequest->executionContext(), xmlHttpRequest->url());
 212
 213     ExceptionState exceptionState(ExceptionState::ExecutionContext, "send", "XMLHttpRequest", info.Holder(), info.GetIsolate());
 214     if (info.Length() < 1)
 215         xmlHttpRequest->send(exceptionState);
 216     else {
 217         v8::Handle<v8::Value> arg = info[0];
 218         if (isUndefinedOrNull(arg)) {
 219             xmlHttpRequest->send(exceptionState);
 220         } else if (isDocumentType(arg, info.GetIsolate())) {
 221             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 222             Document* document = V8Document::toNative(object);
 223             ASSERT(document);
 224             xmlHttpRequest->send(document, exceptionState);
 225         } else if (V8Blob::hasInstance(arg, info.GetIsolate())) {
 226             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 227             Blob* blob = V8Blob::toNative(object);
 228             ASSERT(blob);
 229             xmlHttpRequest->send(blob, exceptionState);
 230         } else if (V8FormData::hasInstance(arg, info.GetIsolate())) {
 231             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 232             DOMFormData* domFormData = V8FormData::toNative(object);
 233             ASSERT(domFormData);
 234             xmlHttpRequest->send(domFormData, exceptionState);
 235         } else if (V8ArrayBuffer::hasInstance(arg, info.GetIsolate())) {
 236             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 237             ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(object);
 238             ASSERT(arrayBuffer);
 239             xmlHttpRequest->send(arrayBuffer, exceptionState);
 240         } else if (V8ArrayBufferView::hasInstance(arg, info.GetIsolate())) {
 241             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 242             ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(object);
 243             ASSERT(arrayBufferView);
 244             xmlHttpRequest->send(arrayBufferView, exceptionState);
 245         } else {
 246             V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, argString, arg);
 247             xmlHttpRequest->send(argString, exceptionState);
 248         }
 249     }
 250
 251     exceptionState.throwIfNeeded();
 252 }
 253
 254 } // namespace WebCore