summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/platform/network/qt/ResourceRequestQt.cpp
blob: c54a8115bca6e53eb9038e0d5bbb97f7e498e184 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include "config.h"
#include "ResourceRequest.h"

#include "BlobUrlConversion.h"
#include "NetworkingContext.h"
#include "ThirdPartyCookiesQt.h"

#include <QNetworkRequest>
#include <QUrl>

// HTTP/2 is implemented since Qt 5.8, but QTBUG-64359 makes it unusable in browser
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 4)
#define USE_HTTP2 1
#endif

// HTTP2AllowedAttribute enforces HTTP/2 instead of negotiating, see QTBUG-61397
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
#define HTTP2_IS_BUGGY_WITHOUT_HTTPS 1
#else
#define HTTP2_IS_BUGGY_WITHOUT_HTTPS 0
#endif

namespace WebCore {

// The limit can be found in qhttpnetworkconnection.cpp.
// To achieve the best result we want WebKit to schedule the jobs so we
// are using the limit as found in Qt. To allow Qt to fill its queue
// and prepare jobs we will schedule two more downloads.
// Per TCP connection there is 1 current processed, 3 possibly pipelined
// and 2 ready to re-fill the pipeline.
unsigned initializeMaximumHTTPConnectionCountPerHost()
{
    return 6 * (1 + 3 + 2);
}

static QUrl toQUrl(const URL& url)
{
    if (url.protocolIsBlob())
        return convertBlobToDataUrl(url);
    return url;
}

static inline QByteArray stringToByteArray(const String& string)
{
    if (string.is8Bit())
        return QByteArray(reinterpret_cast<const char*>(string.characters8()), string.length());
    return QString(string).toLatin1();
}

QNetworkRequest ResourceRequest::toNetworkRequest(NetworkingContext *context) const
{
    QNetworkRequest request;
    const URL& originalUrl = url();
    request.setUrl(toQUrl(originalUrl));
    request.setOriginatingObject(context ? context->originatingObject() : 0);

#if USE(HTTP2)
#if HTTP2_IS_BUGGY_WITHOUT_HTTPS
    if (originalUrl.protocolIs("https"))
#endif
    {
        request.setAttribute(QNetworkRequest::HTTP2AllowedAttribute, true);
    }
#endif // USE(HTTP2)


    const HTTPHeaderMap &headers = httpHeaderFields();
    for (HTTPHeaderMap::const_iterator it = headers.begin(), end = headers.end();
         it != end; ++it) {
        QByteArray name = stringToByteArray(it->key);
        // QNetworkRequest::setRawHeader() would remove the header if the value is null
        // Make sure to set an empty header instead of null header.
        if (!it->value.isNull())
            request.setRawHeader(name, stringToByteArray(it->value));
        else
            request.setRawHeader(name, QByteArrayLiteral(""));
    }

    // Make sure we always have an Accept header; some sites require this to
    // serve subresources
    if (!request.hasRawHeader("Accept"))
        request.setRawHeader("Accept", "*/*");

    switch (cachePolicy()) {
    case ReloadIgnoringCacheData:
        request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysNetwork);
        break;
    case ReturnCacheDataElseLoad:
        request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
        break;
    case ReturnCacheDataDontLoad:
        request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysCache);
        break;
    case UseProtocolCachePolicy:
        // QNetworkRequest::PreferNetwork
    default:
        break;
    }

    if (!allowCookies() || !thirdPartyCookiePolicyPermits(context, url(), firstPartyForCookies())) {
        request.setAttribute(QNetworkRequest::CookieSaveControlAttribute, QNetworkRequest::Manual);
        request.setAttribute(QNetworkRequest::CookieLoadControlAttribute, QNetworkRequest::Manual);
    }

    if (!allowCookies())
        request.setAttribute(QNetworkRequest::AuthenticationReuseAttribute, QNetworkRequest::Manual);

    return request;
}

}