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

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