mirror of
https://github.com/martravi/wiiqt6.git
synced 2024-11-25 14:17:00 +01:00
123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
#include "sharedcontentmap.h"
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#include "tools.h"
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SharedContentMap::SharedContentMap( QByteArray old )
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{
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data = old;
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if( data.size() )
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Check();
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}
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bool SharedContentMap::Check( const QString &path )
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{
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if( !data.size() || data.size() % 28 )
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{
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qWarning() << "SharedContentMap::Check -> bad size" << hex << data.size();
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return false;
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}
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QByteArray cid;
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quint32 cnt = data.size() / 28;
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//check that all the cid's can be converted to numbers, and make sure that ther are in numerical order
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for( quint32 i = 0; i < cnt; i++ )
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{
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bool ok;
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cid = data.mid( ( i * 28 ), 8 );
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quint32 num = cid.toInt( &ok, 16 );
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if( !ok )
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{
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qWarning() << "SharedContentMap::Check -> error converting" << cid << "to a number";
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return false;
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}
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if( i != num )
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{
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qWarning() << "SharedContentMap::Check -> something is a miss" << num << i;
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return false;
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}
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}
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//this is all there is to check right now
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if( path.isEmpty() )
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return true;
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QDir dir( path );
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if( !dir.exists() )
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{
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qWarning() << "SharedContentMap::Check ->" << path << "doesnt exist";
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return false;
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}
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//check hashes for all the contents in the map
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for( quint32 i = 0; i < cnt; i++ )
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{
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cid = data.mid( ( i * 28 ), 8 );
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QString appName( cid );
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QFileInfo fi = dir.absoluteFilePath( appName + ".app" );
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if( !fi.exists() )
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{
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qWarning() << "SharedContentMap::Check -> content in the map isnt found in" << path;
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return false;
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}
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QFile f( fi.absoluteFilePath() );
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if( !f.open( QIODevice::ReadOnly ) )
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{
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qWarning() << "SharedContentMap::Check -> cant open" << fi.absoluteFilePath();
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return false;
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}
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QByteArray goods = f.readAll();
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f.close();
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QByteArray expectedHash = data.mid( ( i * 28 ) + 8, 20 );
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QByteArray actualHash = GetSha1( goods );
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if( expectedHash != actualHash )
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{
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qWarning() << "SharedContentMap::Check -> hash mismatch in" << fi.absoluteFilePath() << "\n"
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<< expectedHash << actualHash;
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return false;
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}
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}
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return true;
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}
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QString SharedContentMap::GetAppFromHash( QByteArray hash )
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{
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quint32 cnt = data.size() / 28;
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for( quint32 i = 0; i < cnt; i++ )
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{
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QString appName( data.mid( ( i * 28 ), 8 ) );
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QByteArray mapHash = data.mid( ( i * 28 ) + 8, 20 );
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//qDebug() << QString( mapHash ) << hash;
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if( mapHash == hash )
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{
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return appName;
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}
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}
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//hash not found
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return QString();
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}
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QString SharedContentMap::GetNextEmptyCid()
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{
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quint32 cnt = data.size() / 28;
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quint32 ret = 0;
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QList<quint32>cids;
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for( quint32 i = 0; i < cnt; i++ )
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{
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QByteArray cid = data.mid( ( i * 28 ), 8 );
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quint32 num = cid.toInt( NULL, 16 );
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cids << num;
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}
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//find the lowest number cid that isnt used
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while( cids.contains( ret ) )
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ret++;
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//qDebug() << hex << ret;
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return QString( "%1" ).arg( ret, 8, 16, QChar( '0' ) );
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}
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void SharedContentMap::AddEntry( const QString &app, const QByteArray &hash )
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{
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data += app.toAscii() + hash;
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//qDebug() << "SharedContentMap::AddEntry -> added entry, rechecking this beast";
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Check();
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}
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