1/*
2 * Copyright (C) 2009 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 "V8History.h"
33
34#include "ExceptionCode.h"
35#include "History.h"
36#include "SerializedScriptValue.h"
37#include "V8Binding.h"
38#include "V8BindingState.h"
39#include "V8DOMWindow.h"
40#include "V8Proxy.h"
41
42namespace WebCore {
43
44v8::Handle<v8::Value> V8History::pushStateCallback(const v8::Arguments& args)
45{
46    bool didThrow = false;
47    RefPtr<SerializedScriptValue> historyState = SerializedScriptValue::create(args[0], didThrow);
48    if (didThrow)
49        return v8::Undefined();
50
51    v8::TryCatch tryCatch;
52    String title = toWebCoreStringWithNullOrUndefinedCheck(args[1]);
53    if (tryCatch.HasCaught())
54        return v8::Undefined();
55    String url;
56    if (args.Length() > 2) {
57        url = toWebCoreStringWithNullOrUndefinedCheck(args[2]);
58        if (tryCatch.HasCaught())
59            return v8::Undefined();
60    }
61
62    ExceptionCode ec = 0;
63    History* history = V8History::toNative(args.Holder());
64    history->stateObjectAdded(historyState.release(), title, url, History::StateObjectPush, ec);
65    return throwError(ec);
66}
67
68v8::Handle<v8::Value> V8History::replaceStateCallback(const v8::Arguments& args)
69{
70    bool didThrow = false;
71    RefPtr<SerializedScriptValue> historyState = SerializedScriptValue::create(args[0], didThrow);
72    if (didThrow)
73        return v8::Undefined();
74
75    v8::TryCatch tryCatch;
76    String title = toWebCoreStringWithNullOrUndefinedCheck(args[1]);
77    if (tryCatch.HasCaught())
78        return v8::Undefined();
79    String url;
80    if (args.Length() > 2) {
81        url = toWebCoreStringWithNullOrUndefinedCheck(args[2]);
82        if (tryCatch.HasCaught())
83            return v8::Undefined();
84    }
85
86    ExceptionCode ec = 0;
87    History* history = V8History::toNative(args.Holder());
88    history->stateObjectAdded(historyState.release(), title, url, History::StateObjectReplace, ec);
89    return throwError(ec);
90}
91
92bool V8History::indexedSecurityCheck(v8::Local<v8::Object> host, uint32_t index, v8::AccessType type, v8::Local<v8::Value>)
93{
94    // Only allow same origin access.
95    History* history = V8History::toNative(host);
96    return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), history->frame(), false);
97}
98
99bool V8History::namedSecurityCheck(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>)
100{
101    // Only allow same origin access.
102    History* history = V8History::toNative(host);
103    return V8BindingSecurity::canAccessFrame(V8BindingState::Only(), history->frame(), false);
104}
105
106} // namespace WebCore
107