1/*
2 * Copyright (C) 2017 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "Pasteboard.h"
28
29#include "PasteboardStrategy.h"
30#include "PlatformStrategies.h"
31#include "Settings.h"
32#include "SharedBuffer.h"
33#include <wtf/URLParser.h>
34#include <wtf/persistence/PersistentCoders.h>
35#include <wtf/text/StringHash.h>
36
37namespace WebCore {
38
39// Making this non-inline so that WebKit 2's decoding doesn't have to include Image.h.
40PasteboardImage::PasteboardImage() = default;
41PasteboardImage::~PasteboardImage() = default;
42
43bool Pasteboard::isSafeTypeForDOMToReadAndWrite(const String& type)
44{
45 return type == "text/plain" || type == "text/html" || type == "text/uri-list";
46}
47
48bool Pasteboard::canExposeURLToDOMWhenPasteboardContainsFiles(const String& urlString)
49{
50 URL url({ }, urlString);
51 return url.protocolIsInHTTPFamily() || url.protocolIsBlob() || url.protocolIsData();
52}
53
54Ref<SharedBuffer> PasteboardCustomData::createSharedBuffer() const
55{
56 const static unsigned currentCustomDataSerializationVersion = 1;
57
58 WTF::Persistence::Encoder encoder;
59 encoder << currentCustomDataSerializationVersion;
60 encoder << origin;
61 encoder << sameOriginCustomData;
62 encoder << orderedTypes;
63 return SharedBuffer::create(encoder.buffer(), encoder.bufferSize());
64}
65
66PasteboardCustomData PasteboardCustomData::fromSharedBuffer(const SharedBuffer& buffer)
67{
68 const static unsigned maxSupportedDataSerializationVersionNumber = 1;
69
70 PasteboardCustomData result;
71 WTF::Persistence::Decoder decoder { reinterpret_cast<const uint8_t*>(buffer.data()), buffer.size() };
72 unsigned version;
73 if (!decoder.decode(version) || version > maxSupportedDataSerializationVersionNumber)
74 return { };
75
76 if (!decoder.decode(result.origin))
77 return { };
78
79 if (!decoder.decode(result.sameOriginCustomData))
80 return { };
81
82 if (!decoder.decode(result.orderedTypes))
83 return { };
84
85 return result;
86}
87
88#if !PLATFORM(COCOA)
89
90Vector<String> Pasteboard::readAllStrings(const String& type)
91{
92 auto result = readString(type);
93 if (result.isEmpty())
94 return { };
95
96 return { result };
97}
98
99#endif
100
101};
102