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Http: Don't clear (de)compressed data on error 

Some errors, such as 404, may still present useful data. As opposed to
errors such as 'RemoteDisconnected'. So, just keep the data around until
the reply is deleted.

Pick-to: 6.4
Fixes: QTBUG-106573
Change-Id: I6c86b5a55a45f837ea9b42559d88cd3e0ac2fa5c
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
bb10
Mårten Nordheim 2022-09-13 13:02:42 +02:00
parent 3df618b8d9
commit b31d902913
2 changed files with 31 additions and 3 deletions
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7
src/network/access/qnetworkreplyhttpimpl.cpp
View File

@ -326,6 +326,7 @@ qint64 QNetworkReplyHttpImpl::readData(char* data, qint64 maxlen)
d->error(QNetworkReplyImpl::NetworkError::UnknownContentError,
QCoreApplication::translate("QHttp", "Decompression failed: %1")
.arg(d->decompressHelper.errorString()));
d->decompressHelper.clear();
return -1;
}
if (d->cacheSaveDevice) {
@ -1050,6 +1051,7 @@ void QNetworkReplyHttpImplPrivate::replyDownloadData(QByteArray d)
error(QNetworkReplyImpl::NetworkError::UnknownContentError,
QCoreApplication::translate("QHttp", "Decompression failed: %1")
.arg(decompressHelper.errorString()));
decompressHelper.clear();
return;
}
@ -1069,6 +1071,7 @@ void QNetworkReplyHttpImplPrivate::replyDownloadData(QByteArray d)
error(QNetworkReplyImpl::NetworkError::UnknownContentError,
QCoreApplication::translate("QHttp",
"Data downloaded is too large to store"));
decompressHelper.clear();
return;
}
d.resize(nextSize);
@ -1077,6 +1080,7 @@ void QNetworkReplyHttpImplPrivate::replyDownloadData(QByteArray d)
error(QNetworkReplyImpl::NetworkError::UnknownContentError,
QCoreApplication::translate("QHttp", "Decompression failed: %1")
.arg(decompressHelper.errorString()));
decompressHelper.clear();
return;
}
}
@ -2115,9 +2119,6 @@ void QNetworkReplyHttpImplPrivate::error(QNetworkReplyImpl::NetworkError code, c
return;
}
if (decompressHelper.isValid())
decompressHelper.clear(); // Just get rid of any data that might be stored
errorCode = code;
q->setErrorString(errorMessage);

27
tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
View File

@ -512,6 +512,8 @@ private Q_SLOTS:
void contentEncodingError_data();
void contentEncodingError();
void compressedReadyRead();
void notFoundWithCompression_data();
void notFoundWithCompression();
// NOTE: This test must be last!
void parentingRepliesToTheApp();
@ -9929,6 +9931,31 @@ void tst_QNetworkReply::compressedReadyRead()
QCOMPARE(received, expected);
}
void tst_QNetworkReply::notFoundWithCompression_data()
{
contentEncoding_data();
}
void tst_QNetworkReply::notFoundWithCompression()
{
QFETCH(QByteArray, encoding);
QFETCH(QByteArray, body);
QString header("HTTP/1.0 404 OK\r\nContent-Encoding: %1\r\nContent-Length: %2\r\n\r\n");
header = header.arg(encoding, QString::number(body.size()));
MiniHttpServer server(header.toLatin1() + body);
QNetworkRequest request(
QUrl(QLatin1String("http://localhost:%1").arg(QString::number(server.serverPort()))));
QNetworkReplyPtr reply(manager.get(request));
QTRY_VERIFY2_WITH_TIMEOUT(reply->isFinished(), qPrintable(reply->errorString()), 15000);
QCOMPARE(reply->error(), QNetworkReply::ContentNotFoundError);
QFETCH(QByteArray, expected);
QCOMPARE(reply->readAll(), expected);
}
// NOTE: This test must be last testcase in tst_qnetworkreply!
void tst_QNetworkReply::parentingRepliesToTheApp()
{