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Checksums: Improve logging and add global disable #5017

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This commit is contained in:
Christian Kamm 2017-10-13 13:08:20 +02:00
parent 096cd348f0
commit 3f7b3ca962
1 changed files with 14 additions and 0 deletions
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14
src/common/checksums.cpp
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@ -133,6 +133,12 @@ QByteArray contentChecksumType()
return type;
}
static bool checksumComputationEnabled()
{
static bool enabled = qgetenv("OWNCLOUD_DISABLE_CHECKSUM_COMPUTATIONS").isEmpty();
return enabled;
}
ComputeChecksum::ComputeChecksum(QObject *parent)
: QObject(parent)
{
@ -150,6 +156,8 @@ QByteArray ComputeChecksum::checksumType() const
void ComputeChecksum::start(const QString &filePath)
{
qCInfo(lcChecksums) << "Computing" << checksumType() << "checksum of" << filePath << "in a thread";
// Calculate the checksum in a different thread first.
connect(&_watcher, &QFutureWatcherBase::finished,
this, &ComputeChecksum::slotCalculationDone,
@ -159,6 +167,11 @@ void ComputeChecksum::start(const QString &filePath)
QByteArray ComputeChecksum::computeNow(const QString &filePath, const QByteArray &checksumType)
{
if (!checksumComputationEnabled()) {
qCWarning(lcChecksums) << "Checksum computation disabled by environment variable";
return QByteArray();
}
if (checksumType == checkSumMD5C) {
return FileSystem::calcMd5(filePath);
} else if (checksumType == checkSumSHA1C) {
@ -237,6 +250,7 @@ QByteArray CSyncChecksumHook::hook(const QByteArray &path, const QByteArray &oth
if (type.isEmpty())
return NULL;
qCInfo(lcChecksums) << "Computing" << type << "checksum of" << path << "in the csync hook";
QByteArray checksum = ComputeChecksum::computeNow(QString::fromUtf8(path), type);
if (checksum.isNull()) {
qCWarning(lcChecksums) << "Failed to compute checksum" << type << "for" << path;