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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
#include <QString>
#include <QDebug>
#include <QtXml/QtXml>
#include "OneSixAssets.h"
#include "net/DownloadJob.h"
inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname)
{
QDomNodeList elementList = parent.elementsByTagName(tagname);
if (elementList.count())
return elementList.at(0).toElement();
else
return QDomElement();
}
class ThreadedDeleter : public QThread
{
Q_OBJECT
public:
void run()
{
QDirIterator iter ( m_base, QDirIterator::Subdirectories );
int base_length = m_base.length();
while ( iter.hasNext() )
{
QString filename = iter.next();
QFileInfo current ( filename );
// we keep the dirs... whatever
if ( current.isDir() )
continue;
QString trimmedf = filename;
trimmedf.remove ( 0, base_length + 1 );
if ( m_whitelist.contains ( trimmedf ) )
{
// qDebug() << trimmedf << " gets to live";
}
else
{
// DO NOT TOLERATE JUNK
// qDebug() << trimmedf << " dies";
QFile f ( filename );
f.remove();
}
}
}
QString m_base;
QStringList m_whitelist;
};
void OneSixAssets::downloadFinished()
{
deleter = new ThreadedDeleter();
QDir dir("assets");
deleter->m_base = dir.absolutePath();
deleter->m_whitelist = nuke_whitelist;
connect(deleter, SIGNAL(finished()), SIGNAL(finished()));
deleter->start();
}
void OneSixAssets::fetchXMLFinished()
{
QString prefix ( "http://s3.amazonaws.com/Minecraft.Resources/" );
QString fprefix ( "assets/" );
nuke_whitelist.clear();
auto firstJob = index_job->first();
QByteArray ba = firstJob->m_data;
QString xmlErrorMsg;
QDomDocument doc;
if ( !doc.setContent ( ba, false, &xmlErrorMsg ) )
{
qDebug() << "Failed to process s3.amazonaws.com/Minecraft.Resources. XML error:" << xmlErrorMsg << ba;
}
//QRegExp etag_match(".*([a-f0-9]{32}).*");
QDomNodeList contents = doc.elementsByTagName ( "Contents" );
DownloadJob *job = new DownloadJob();
connect ( job, SIGNAL(succeeded()), SLOT(downloadFinished()) );
connect ( job, SIGNAL(failed()), SIGNAL(failed()) );
for ( int i = 0; i < contents.length(); i++ )
{
QDomElement element = contents.at ( i ).toElement();
if ( element.isNull() )
continue;
QDomElement keyElement = getDomElementByTagName ( element, "Key" );
QDomElement lastmodElement = getDomElementByTagName ( element, "LastModified" );
QDomElement etagElement = getDomElementByTagName ( element, "ETag" );
QDomElement sizeElement = getDomElementByTagName ( element, "Size" );
if ( keyElement.isNull() || lastmodElement.isNull() || etagElement.isNull() || sizeElement.isNull() )
continue;
QString keyStr = keyElement.text();
QString lastModStr = lastmodElement.text();
QString etagStr = etagElement.text();
QString sizeStr = sizeElement.text();
//Filter folder keys
if ( sizeStr == "0" )
continue;
QString filename = fprefix + keyStr;
QFile check_file ( filename );
QString client_etag = "nonsense";
// if there already is a file and md5 checking is in effect and it can be opened
if ( check_file.exists() && check_file.open ( QIODevice::ReadOnly ) )
{
// check the md5 against the expected one
client_etag = QCryptographicHash::hash ( check_file.readAll(), QCryptographicHash::Md5 ).toHex().constData();
check_file.close();
}
QString trimmedEtag = etagStr.remove ( '"' );
nuke_whitelist.append ( keyStr );
if(trimmedEtag != client_etag)
{
job->add ( QUrl ( prefix + keyStr ), filename );
}
}
if(job->size())
{
files_job.reset ( job );
files_job->start();
}
else
{
delete job;
emit finished();
}
}
void OneSixAssets::start()
{
DownloadJob * job = new DownloadJob(QUrl ( "http://s3.amazonaws.com/Minecraft.Resources/" ));
connect ( job, SIGNAL(succeeded()), SLOT ( fetchXMLFinished() ) );
index_job.reset ( job );
job->start();
}
#include "OneSixAssets.moc"
|
