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

   1 /*
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   9  * notice, this list of conditions and the following disclaimer.
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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 "bindings/core/v8/V8XMLHttpRequest.h"
  33
  34 #include "bindings/core/v8/ExceptionMessages.h"
  35 #include "bindings/core/v8/ExceptionState.h"
  36 #include "bindings/core/v8/V8Binding.h"
  37 #include "bindings/core/v8/V8Blob.h"
  38 #include "bindings/core/v8/V8Document.h"
  39 #include "bindings/core/v8/V8FormData.h"
  40 #include "bindings/core/v8/V8HTMLDocument.h"
  41 #include "bindings/core/v8/V8ReadableStream.h"
  42 #include "bindings/core/v8/V8Stream.h"
  43 #include "bindings/core/v8/custom/V8ArrayBufferCustom.h"
  44 #include "bindings/core/v8/custom/V8ArrayBufferViewCustom.h"
  45 #include "core/dom/Document.h"
  46 #include "core/inspector/InspectorInstrumentation.h"
  47 #include "core/streams/ReadableStream.h"
  48 #include "core/streams/Stream.h"
  49 #include "core/workers/WorkerGlobalScope.h"
  50 #include "core/xml/XMLHttpRequest.h"
  51 #include "wtf/ArrayBuffer.h"
  52 #include <v8.h>
  53
  54 namespace blink {
  55
  56 void V8XMLHttpRequest::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  57 {
  58     ExecutionContext* context = currentExecutionContext(info.GetIsolate());
  59
  60     RefPtr<SecurityOrigin> securityOrigin;
  61     if (context->isDocument()) {
  62         DOMWrapperWorld& world = DOMWrapperWorld::current(info.GetIsolate());
  63         if (world.isIsolatedWorld())
  64             securityOrigin = world.isolatedWorldSecurityOrigin();
  65     }
  66
  67     RefPtrWillBeRawPtr<XMLHttpRequest> xmlHttpRequest = XMLHttpRequest::create(context, securityOrigin);
  68
  69     v8::Handle<v8::Object> wrapper = info.Holder();
  70     V8DOMWrapper::associateObjectWithWrapper<V8XMLHttpRequest>(xmlHttpRequest.release(), &wrapperTypeInfo, wrapper, info.GetIsolate());
  71     info.GetReturnValue().Set(wrapper);
  72 }
  73
  74 void V8XMLHttpRequest::responseTextAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
  75 {
  76     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toImpl(info.Holder());
  77     ExceptionState exceptionState(ExceptionState::GetterContext, "responseText", "XMLHttpRequest", info.Holder(), info.GetIsolate());
  78     ScriptString text = xmlHttpRequest->responseText(exceptionState);
  79     if (exceptionState.throwIfNeeded())
  80         return;
  81     if (text.isEmpty()) {
  82         v8SetReturnValueString(info, emptyString(), info.GetIsolate());
  83         return;
  84     }
  85     v8SetReturnValue(info, text.v8Value());
  86 }
  87
  88 void V8XMLHttpRequest::responseAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
  89 {
  90     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toImpl(info.Holder());
  91
  92     switch (xmlHttpRequest->responseTypeCode()) {
  93     case XMLHttpRequest::ResponseTypeDefault:
  94     case XMLHttpRequest::ResponseTypeText:
  95         responseTextAttributeGetterCustom(info);
  96         return;
  97
  98     case XMLHttpRequest::ResponseTypeJSON:
  99         {
 100             v8::Isolate* isolate = info.GetIsolate();
 101
 102             ScriptString jsonSource = xmlHttpRequest->responseJSONSource();
 103             if (jsonSource.isEmpty()) {
 104                 v8SetReturnValue(info, v8::Null(isolate));
 105                 return;
 106             }
 107
 108             // Catch syntax error.
 109             v8::TryCatch exceptionCatcher;
 110             v8::Handle<v8::Value> json = v8::JSON::Parse(jsonSource.v8Value());
 111             if (exceptionCatcher.HasCaught() || json.IsEmpty())
 112                 v8SetReturnValue(info, v8::Null(isolate));
 113             else
 114                 v8SetReturnValue(info, json);
 115             return;
 116         }
 117
 118     case XMLHttpRequest::ResponseTypeDocument:
 119         {
 120             ExceptionState exceptionState(ExceptionState::GetterContext, "response", "XMLHttpRequest", info.Holder(), info.GetIsolate());
 121             Document* document = xmlHttpRequest->responseXML(exceptionState);
 122             if (exceptionState.throwIfNeeded())
 123                 return;
 124             v8SetReturnValueFast(info, document, xmlHttpRequest);
 125             return;
 126         }
 127
 128     case XMLHttpRequest::ResponseTypeBlob:
 129         {
 130             Blob* blob = xmlHttpRequest->responseBlob();
 131             v8SetReturnValueFast(info, blob, xmlHttpRequest);
 132             return;
 133         }
 134
 135     case XMLHttpRequest::ResponseTypeLegacyStream:
 136         {
 137             Stream* stream = xmlHttpRequest->responseLegacyStream();
 138             v8SetReturnValueFast(info, stream, xmlHttpRequest);
 139             return;
 140         }
 141
 142     case XMLHttpRequest::ResponseTypeStream:
 143         {
 144             ReadableStream* stream = xmlHttpRequest->responseStream();
 145             v8SetReturnValueFast(info, stream, xmlHttpRequest);
 146             return;
 147         }
 148
 149     case XMLHttpRequest::ResponseTypeArrayBuffer:
 150         {
 151             ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer();
 152             if (arrayBuffer) {
 153                 arrayBuffer->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instanceTemplate());
 154             }
 155             v8SetReturnValueFast(info, arrayBuffer, xmlHttpRequest);
 156             return;
 157         }
 158     }
 159 }
 160
 161 void V8XMLHttpRequest::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 162 {
 163     // Four cases:
 164     // open(method, url)
 165     // open(method, url, async)
 166     // open(method, url, async, user)
 167     // open(method, url, async, user, passwd)
 168
 169     ExceptionState exceptionState(ExceptionState::ExecutionContext, "open", "XMLHttpRequest", info.Holder(), info.GetIsolate());
 170
 171     if (info.Length() < 2) {
 172         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
 173         exceptionState.throwIfNeeded();
 174         return;
 175     }
 176
 177     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toImpl(info.Holder());
 178
 179     TOSTRING_VOID(V8StringResource<>, method, info[0]);
 180     TOSTRING_VOID(V8StringResource<>, urlstring, info[1]);
 181
 182     ExecutionContext* context = currentExecutionContext(info.GetIsolate());
 183     KURL url = context->completeURL(urlstring);
 184
 185     if (info.Length() >= 3) {
 186         bool async = info[2]->BooleanValue();
 187
 188         if (info.Length() >= 4 && !info[3]->IsUndefined()) {
 189             TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, user, info[3]);
 190
 191             if (info.Length() >= 5 && !info[4]->IsUndefined()) {
 192                 TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, password, info[4]);
 193                 xmlHttpRequest->open(method, url, async, user, password, exceptionState);
 194             } else {
 195                 xmlHttpRequest->open(method, url, async, user, exceptionState);
 196             }
 197         } else {
 198             xmlHttpRequest->open(method, url, async, exceptionState);
 199         }
 200     } else {
 201         xmlHttpRequest->open(method, url, exceptionState);
 202     }
 203
 204     exceptionState.throwIfNeeded();
 205 }
 206
 207 static bool isDocumentType(v8::Handle<v8::Value> value, v8::Isolate* isolate)
 208 {
 209     // FIXME: add other document types.
 210     return V8Document::hasInstance(value, isolate) || V8HTMLDocument::hasInstance(value, isolate);
 211 }
 212
 213 void V8XMLHttpRequest::sendMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 214 {
 215     XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toImpl(info.Holder());
 216
 217     InspectorInstrumentation::willSendXMLHttpRequest(xmlHttpRequest->executionContext(), xmlHttpRequest->url());
 218
 219     ExceptionState exceptionState(ExceptionState::ExecutionContext, "send", "XMLHttpRequest", info.Holder(), info.GetIsolate());
 220     if (info.Length() < 1) {
 221         xmlHttpRequest->send(exceptionState);
 222     } else {
 223         v8::Handle<v8::Value> arg = info[0];
 224         if (isUndefinedOrNull(arg)) {
 225             xmlHttpRequest->send(exceptionState);
 226         } else if (isDocumentType(arg, info.GetIsolate())) {
 227             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 228             Document* document = V8Document::toImpl(object);
 229             ASSERT(document);
 230             xmlHttpRequest->send(document, exceptionState);
 231         } else if (V8Blob::hasInstance(arg, info.GetIsolate())) {
 232             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 233             Blob* blob = V8Blob::toImpl(object);
 234             ASSERT(blob);
 235             xmlHttpRequest->send(blob, exceptionState);
 236         } else if (V8FormData::hasInstance(arg, info.GetIsolate())) {
 237             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 238             DOMFormData* domFormData = V8FormData::toImpl(object);
 239             ASSERT(domFormData);
 240             xmlHttpRequest->send(domFormData, exceptionState);
 241         } else if (V8ArrayBuffer::hasInstance(arg, info.GetIsolate())) {
 242             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 243             ArrayBuffer* arrayBuffer = V8ArrayBuffer::toImpl(object);
 244             ASSERT(arrayBuffer);
 245             xmlHttpRequest->send(arrayBuffer, exceptionState);
 246         } else if (V8ArrayBufferView::hasInstance(arg, info.GetIsolate())) {
 247             v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
 248             ArrayBufferView* arrayBufferView = V8ArrayBufferView::toImpl(object);
 249             ASSERT(arrayBufferView);
 250             xmlHttpRequest->send(arrayBufferView, exceptionState);
 251         } else {
 252             TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, argString, arg);
 253             xmlHttpRequest->send(argString, exceptionState);
 254         }
 255     }
 256
 257     exceptionState.throwIfNeeded();
 258 }
 259
 260 } // namespace blink