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 
visitChildren(SlotVisitor & visitor)57 void JSXMLHttpRequest::visitChildren(SlotVisitor& visitor)
58 {
59     Base::visitChildren(visitor);
60 
61     if (XMLHttpRequestUpload* upload = m_impl->optionalUpload())
62         visitor.addOpaqueRoot(upload);
63 
64     if (Document* responseDocument = m_impl->optionalResponseXML())
65         visitor.addOpaqueRoot(responseDocument);
66 
67     if (ArrayBuffer* responseArrayBuffer = m_impl->optionalResponseArrayBuffer())
68         visitor.addOpaqueRoot(responseArrayBuffer);
69 
70 #if ENABLE(XHR_RESPONSE_BLOB)
71     if (Blob* responseBlob = m_impl->optionalResponseBlob())
72         visitor.addOpaqueRoot(responseBlob);
73 #endif
74 
75     m_impl->visitJSEventListeners(visitor);
76 }
77 
78 // Custom functions
open(ExecState * exec)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 
send(ExecState * exec)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 
responseText(ExecState * exec) const143 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 
response(ExecState * exec) const154 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 
constructJSXMLHttpRequest(ExecState * exec)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_WRAPPER(exec, jsConstructor->globalObject(), XMLHttpRequest, xmlHttpRequest.get()));
211 }
212 
213 } // namespace WebCore
214