1 /* 2 * Copyright (C) 2008, 2009, 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "bindings/core/v8/V8XMLHttpRequest.h" 33 34 #include "bindings/core/v8/V8Blob.h" 35 #include "bindings/core/v8/V8Document.h" 36 #include "bindings/core/v8/V8FormData.h" 37 #include "bindings/core/v8/V8HTMLDocument.h" 38 #include "bindings/core/v8/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 ScriptString text = xmlHttpRequest->responseText(exceptionState); 77 if (exceptionState.throwIfNeeded()) 78 return; 79 if (text.isEmpty()) { 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.isEmpty()) { 102 v8SetReturnValue(info, v8::Null(isolate)); 103 return; 104 } 105 106 // Catch syntax error. 107 v8::TryCatch exceptionCatcher; 108 v8::Handle<v8::Value> json = v8::JSON::Parse(jsonSource.v8Value()); 109 if (exceptionCatcher.HasCaught() || json.IsEmpty()) 110 v8SetReturnValue(info, v8::Null(isolate)); 111 else 112 v8SetReturnValue(info, json); 113 return; 114 } 115 116 case XMLHttpRequest::ResponseTypeDocument: 117 { 118 ExceptionState exceptionState(ExceptionState::GetterContext, "response", "XMLHttpRequest", info.Holder(), info.GetIsolate()); 119 Document* document = xmlHttpRequest->responseXML(exceptionState); 120 if (exceptionState.throwIfNeeded()) 121 return; 122 v8SetReturnValueFast(info, document, xmlHttpRequest); 123 return; 124 } 125 126 case XMLHttpRequest::ResponseTypeBlob: 127 { 128 Blob* blob = xmlHttpRequest->responseBlob(); 129 v8SetReturnValueFast(info, blob, xmlHttpRequest); 130 return; 131 } 132 133 case XMLHttpRequest::ResponseTypeStream: 134 { 135 Stream* stream = xmlHttpRequest->responseStream(); 136 v8SetReturnValueFast(info, stream, xmlHttpRequest); 137 return; 138 } 139 140 case XMLHttpRequest::ResponseTypeArrayBuffer: 141 { 142 ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer(); 143 if (arrayBuffer) { 144 arrayBuffer->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instanceTemplate()); 145 } 146 v8SetReturnValueFast(info, arrayBuffer, xmlHttpRequest); 147 return; 148 } 149 } 150 } 151 152 void V8XMLHttpRequest::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) 153 { 154 // Four cases: 155 // open(method, url) 156 // open(method, url, async) 157 // open(method, url, async, user) 158 // open(method, url, async, user, passwd) 159 160 ExceptionState exceptionState(ExceptionState::ExecutionContext, "open", "XMLHttpRequest", info.Holder(), info.GetIsolate()); 161 162 if (info.Length() < 2) { 163 exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length())); 164 exceptionState.throwIfNeeded(); 165 return; 166 } 167 168 XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder()); 169 170 TOSTRING_VOID(V8StringResource<>, method, info[0]); 171 TOSTRING_VOID(V8StringResource<>, urlstring, info[1]); 172 173 ExecutionContext* context = currentExecutionContext(info.GetIsolate()); 174 KURL url = context->completeURL(urlstring); 175 176 if (info.Length() >= 3) { 177 bool async = info[2]->BooleanValue(); 178 179 if (info.Length() >= 4 && !info[3]->IsUndefined()) { 180 TOSTRING_VOID(V8StringResource<WithNullCheck>, user, info[3]); 181 182 if (info.Length() >= 5 && !info[4]->IsUndefined()) { 183 TOSTRING_VOID(V8StringResource<WithNullCheck>, password, info[4]); 184 xmlHttpRequest->open(method, url, async, user, password, exceptionState); 185 } else { 186 xmlHttpRequest->open(method, url, async, user, exceptionState); 187 } 188 } else { 189 xmlHttpRequest->open(method, url, async, exceptionState); 190 } 191 } else { 192 xmlHttpRequest->open(method, url, exceptionState); 193 } 194 195 exceptionState.throwIfNeeded(); 196 } 197 198 static bool isDocumentType(v8::Handle<v8::Value> value, v8::Isolate* isolate) 199 { 200 // FIXME: add other document types. 201 return V8Document::hasInstance(value, isolate) || V8HTMLDocument::hasInstance(value, isolate); 202 } 203 204 void V8XMLHttpRequest::sendMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info) 205 { 206 XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder()); 207 208 InspectorInstrumentation::willSendXMLHttpRequest(xmlHttpRequest->executionContext(), xmlHttpRequest->url()); 209 210 ExceptionState exceptionState(ExceptionState::ExecutionContext, "send", "XMLHttpRequest", info.Holder(), info.GetIsolate()); 211 if (info.Length() < 1) 212 xmlHttpRequest->send(exceptionState); 213 else { 214 v8::Handle<v8::Value> arg = info[0]; 215 if (isUndefinedOrNull(arg)) { 216 xmlHttpRequest->send(exceptionState); 217 } else if (isDocumentType(arg, info.GetIsolate())) { 218 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg); 219 Document* document = V8Document::toNative(object); 220 ASSERT(document); 221 xmlHttpRequest->send(document, exceptionState); 222 } else if (V8Blob::hasInstance(arg, info.GetIsolate())) { 223 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg); 224 Blob* blob = V8Blob::toNative(object); 225 ASSERT(blob); 226 xmlHttpRequest->send(blob, exceptionState); 227 } else if (V8FormData::hasInstance(arg, info.GetIsolate())) { 228 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg); 229 DOMFormData* domFormData = V8FormData::toNative(object); 230 ASSERT(domFormData); 231 xmlHttpRequest->send(domFormData, exceptionState); 232 } else if (V8ArrayBuffer::hasInstance(arg, info.GetIsolate())) { 233 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg); 234 ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(object); 235 ASSERT(arrayBuffer); 236 xmlHttpRequest->send(arrayBuffer, exceptionState); 237 } else if (V8ArrayBufferView::hasInstance(arg, info.GetIsolate())) { 238 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg); 239 ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(object); 240 ASSERT(arrayBufferView); 241 xmlHttpRequest->send(arrayBufferView, exceptionState); 242 } else { 243 TOSTRING_VOID(V8StringResource<WithNullCheck>, argString, arg); 244 xmlHttpRequest->send(argString, exceptionState); 245 } 246 } 247 248 exceptionState.throwIfNeeded(); 249 } 250 251 } // namespace WebCore 252