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https://github.com/xiaoyifang/goldendict-ng.git
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78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
#include "webmultimediadownload.hh"
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#include "filetype.hh"
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namespace Dictionary {
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#define MAX_REDIRECTS 10
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WebMultimediaDownload::WebMultimediaDownload( QUrl const & url, QNetworkAccessManager & _mgr ):
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mgr( _mgr ),
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redirectCount( 0 )
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{
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connect( &mgr, &QNetworkAccessManager::finished, this, &WebMultimediaDownload::replyFinished, Qt::QueuedConnection );
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reply = mgr.get( QNetworkRequest( url ) );
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#ifndef QT_NO_SSL
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connect( reply, SIGNAL( sslErrors( QList< QSslError > ) ), reply, SLOT( ignoreSslErrors() ) );
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#endif
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}
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void WebMultimediaDownload::cancel()
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{
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reply = NULL;
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finish();
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}
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void WebMultimediaDownload::replyFinished( QNetworkReply * r )
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{
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if ( !r || r != reply ) {
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return; // Not our reply
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}
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if ( r->error() == QNetworkReply::NoError ) {
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// Check for redirect reply
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QVariant possibleRedirectUrl = reply->attribute( QNetworkRequest::RedirectionTargetAttribute );
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QUrl redirectUrl = possibleRedirectUrl.toUrl();
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if ( !redirectUrl.isEmpty() ) {
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disconnect( reply, 0, 0, 0 );
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reply->deleteLater();
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if ( ++redirectCount > MAX_REDIRECTS ) {
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setErrorString( "Too many redirects detected" );
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finish();
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return;
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}
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reply = mgr.get( QNetworkRequest( redirectUrl ) );
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#ifndef QT_NO_SSL
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connect( reply, SIGNAL( sslErrors( QList< QSslError > ) ), reply, SLOT( ignoreSslErrors() ) );
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#endif
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return;
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}
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// Handle reply data
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QMutexLocker _( &dataMutex );
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data.resize( r->bytesAvailable() );
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r->read( data.data(), data.size() );
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hasAnyData = true;
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}
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else {
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setErrorString( r->errorString() );
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}
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disconnect( r, 0, 0, 0 );
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r->deleteLater();
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reply = NULL;
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finish();
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}
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} // namespace Dictionary
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