1 /* $BEGIN_LICENSE
2 
3 This file is part of Minitube.
4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
5 
6 Minitube is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10 
11 Minitube is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 GNU General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with Minitube.  If not, see <http://www.gnu.org/licenses/>.
18 
19 $END_LICENSE */
20 
21 #include "diskcache.h"
22 #include <QtNetwork>
23 
DiskCache(QObject * parent)24 DiskCache::DiskCache(QObject *parent) : QNetworkDiskCache(parent) { }
25 
prepare(const QNetworkCacheMetaData & metaData)26 QIODevice* DiskCache::prepare(const QNetworkCacheMetaData &metaData) {
27     QString mime;
28     const auto headers = metaData.rawHeaders();
29     for (const QNetworkCacheMetaData::RawHeader &header : headers) {
30         // qDebug() << header.first << header.second;
31         if (header.first.constData() == QLatin1String("Content-Type")) {
32             mime = header.second;
33             break;
34         }
35     }
36 
37     if (mime == QLatin1String("application/json") || mime.startsWith(QLatin1String("image/"))) {
38         return QNetworkDiskCache::prepare(metaData);
39     }
40 
41     return 0;
42 }
43 
metaData(const QUrl & url)44 QNetworkCacheMetaData DiskCache::metaData(const QUrl &url) {
45     // Remove "key" from query string in order to reuse cache when key changes
46     static const QString keyQueryItem = "key";
47     QUrlQuery q(url);
48     if (q.hasQueryItem(keyQueryItem)) {
49         q.removeQueryItem(keyQueryItem);
50         QUrl url2(url);
51         url2.setQuery(q);
52         return QNetworkDiskCache::metaData(url2);
53     }
54 
55     return QNetworkDiskCache::metaData(url);
56 }
57