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      1 /*
      2  * Copyright (C) 2008, 2009 Apple 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
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "JSXMLHttpRequest.h"
     31 
     32 #include "ArrayBuffer.h"
     33 #include "Blob.h"
     34 #include "DOMFormData.h"
     35 #include "DOMWindow.h"
     36 #include "Document.h"
     37 #include "Event.h"
     38 #include "Frame.h"
     39 #include "FrameLoader.h"
     40 #include "HTMLDocument.h"
     41 #include "InspectorInstrumentation.h"
     42 #include "JSArrayBuffer.h"
     43 #include "JSBlob.h"
     44 #include "JSDOMFormData.h"
     45 #include "JSDOMWindowCustom.h"
     46 #include "JSDocument.h"
     47 #include "JSEvent.h"
     48 #include "JSEventListener.h"
     49 #include "XMLHttpRequest.h"
     50 #include <runtime/Error.h>
     51 #include <interpreter/Interpreter.h>
     52 
     53 using namespace JSC;
     54 
     55 namespace WebCore {
     56 
     57 void JSXMLHttpRequest::markChildren(MarkStack& markStack)
     58 {
     59     Base::markChildren(markStack);
     60 
     61     if (XMLHttpRequestUpload* upload = m_impl->optionalUpload())
     62         markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), upload);
     63 
     64     if (Document* responseDocument = m_impl->optionalResponseXML())
     65         markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), responseDocument);
     66 
     67     if (ArrayBuffer* responseArrayBuffer = m_impl->optionalResponseArrayBuffer())
     68         markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), responseArrayBuffer);
     69 
     70 #if ENABLE(XHR_RESPONSE_BLOB)
     71     if (Blob* responseBlob = m_impl->optionalResponseBlob())
     72         markDOMObjectWrapper(markStack, *Heap::heap(this)->globalData(), responseBlob);
     73 #endif
     74 
     75     m_impl->markJSEventListeners(markStack);
     76 }
     77 
     78 // Custom functions
     79 JSValue JSXMLHttpRequest::open(ExecState* exec)
     80 {
     81     if (exec->argumentCount() < 2)
     82         return throwError(exec, createSyntaxError(exec, "Not enough arguments"));
     83 
     84     const KURL& url = impl()->scriptExecutionContext()->completeURL(ustringToString(exec->argument(1).toString(exec)));
     85     String method = ustringToString(exec->argument(0).toString(exec));
     86 
     87     ExceptionCode ec = 0;
     88     if (exec->argumentCount() >= 3) {
     89         bool async = exec->argument(2).toBoolean(exec);
     90 
     91         if (exec->argumentCount() >= 4 && !exec->argument(3).isUndefined()) {
     92             String user = valueToStringWithNullCheck(exec, exec->argument(3));
     93 
     94             if (exec->argumentCount() >= 5 && !exec->argument(4).isUndefined()) {
     95                 String password = valueToStringWithNullCheck(exec, exec->argument(4));
     96                 impl()->open(method, url, async, user, password, ec);
     97             } else
     98                 impl()->open(method, url, async, user, ec);
     99         } else
    100             impl()->open(method, url, async, ec);
    101     } else
    102         impl()->open(method, url, ec);
    103 
    104     setDOMException(exec, ec);
    105     return jsUndefined();
    106 }
    107 
    108 JSValue JSXMLHttpRequest::send(ExecState* exec)
    109 {
    110     InspectorInstrumentation::willSendXMLHttpRequest(impl()->scriptExecutionContext(), impl()->url());
    111 
    112     ExceptionCode ec = 0;
    113     if (!exec->argumentCount())
    114         impl()->send(ec);
    115     else {
    116         JSValue val = exec->argument(0);
    117         if (val.isUndefinedOrNull())
    118             impl()->send(ec);
    119         else if (val.inherits(&JSDocument::s_info))
    120             impl()->send(toDocument(val), ec);
    121         else if (val.inherits(&JSBlob::s_info))
    122             impl()->send(toBlob(val), ec);
    123         else if (val.inherits(&JSDOMFormData::s_info))
    124             impl()->send(toDOMFormData(val), ec);
    125         else if (val.inherits(&JSArrayBuffer::s_info))
    126             impl()->send(toArrayBuffer(val), ec);
    127         else
    128             impl()->send(ustringToString(val.toString(exec)), ec);
    129     }
    130 
    131     int signedLineNumber;
    132     intptr_t sourceID;
    133     UString sourceURL;
    134     JSValue function;
    135     exec->interpreter()->retrieveLastCaller(exec, signedLineNumber, sourceID, sourceURL, function);
    136     impl()->setLastSendLineNumber(signedLineNumber >= 0 ? signedLineNumber : 0);
    137     impl()->setLastSendURL(ustringToString(sourceURL));
    138 
    139     setDOMException(exec, ec);
    140     return jsUndefined();
    141 }
    142 
    143 JSValue JSXMLHttpRequest::responseText(ExecState* exec) const
    144 {
    145     ExceptionCode ec = 0;
    146     String text = impl()->responseText(ec);
    147     if (ec) {
    148         setDOMException(exec, ec);
    149         return jsUndefined();
    150     }
    151     return jsOwnedStringOrNull(exec, text);
    152 }
    153 
    154 JSValue JSXMLHttpRequest::response(ExecState* exec) const
    155 {
    156     switch (impl()->responseTypeCode()) {
    157     case XMLHttpRequest::ResponseTypeDefault:
    158     case XMLHttpRequest::ResponseTypeText:
    159         return responseText(exec);
    160 
    161     case XMLHttpRequest::ResponseTypeDocument:
    162         {
    163             ExceptionCode ec = 0;
    164             Document* document = impl()->responseXML(ec);
    165             if (ec) {
    166                 setDOMException(exec, ec);
    167                 return jsUndefined();
    168             }
    169             return toJS(exec, globalObject(), document);
    170         }
    171 
    172     case XMLHttpRequest::ResponseTypeBlob:
    173 #if ENABLE(XHR_RESPONSE_BLOB)
    174         {
    175             ExceptionCode ec = 0;
    176             Blob* blob = impl()->responseBlob(ec);
    177             if (ec) {
    178                 setDOMException(exec, ec);
    179                 return jsUndefined();
    180             }
    181             return toJS(exec, globalObject(), blob);
    182         }
    183 #else
    184         return jsUndefined();
    185 #endif
    186 
    187     case XMLHttpRequest::ResponseTypeArrayBuffer:
    188         {
    189             ExceptionCode ec = 0;
    190             ArrayBuffer* arrayBuffer = impl()->responseArrayBuffer(ec);
    191             if (ec) {
    192                 setDOMException(exec, ec);
    193                 return jsUndefined();
    194             }
    195             return toJS(exec, globalObject(), arrayBuffer);
    196         }
    197     }
    198 
    199     return jsUndefined();
    200 }
    201 
    202 EncodedJSValue JSC_HOST_CALL JSXMLHttpRequestConstructor::constructJSXMLHttpRequest(ExecState* exec)
    203 {
    204     JSXMLHttpRequestConstructor* jsConstructor = static_cast<JSXMLHttpRequestConstructor*>(exec->callee());
    205     ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
    206     if (!context)
    207         return throwVMError(exec, createReferenceError(exec, "XMLHttpRequest constructor associated document is unavailable"));
    208 
    209     RefPtr<XMLHttpRequest> xmlHttpRequest = XMLHttpRequest::create(context);
    210     return JSValue::encode(CREATE_DOM_OBJECT_WRAPPER(exec, jsConstructor->globalObject(), XMLHttpRequest, xmlHttpRequest.get()));
    211 }
    212 
    213 } // namespace WebCore
    214