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/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
54namespace blink {
55
56void 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
74void 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
88void 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
161void 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
207static 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
213void 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
261