Use byte array for etag

src/common/result.h

@@ -104,6 +104,7 @@ public:
         ASSERT(!_isError);
         return _result;
     }
+
     T operator*() &&
     {
         ASSERT(!_isError);
@@ -116,6 +117,12 @@ public:
         return &_result;
     }
 
+    const T &get() const
+    {
+        ASSERT(!_isError)
+        return _result;
+    }
+
     const Error &error() const &
     {
         ASSERT(_isError);

src/gui/folder.cpp

@@ -353,7 +353,7 @@ void Folder::slotRunEtagJob()
     // The _requestEtagJob is auto deleting itself on finish. Our guard pointer _requestEtagJob will then be null.
 }
 
-void Folder::etagRetrieved(const QString &etag, const QDateTime &tp)
+void Folder::etagRetrieved(const QByteArray &etag, const QDateTime &tp)
 {
     // re-enable sync if it was disabled because network was down
     FolderMan::instance()->setSyncEnabled(true);
@@ -367,7 +367,7 @@ void Folder::etagRetrieved(const QString &etag, const QDateTime &tp)
     _accountState->tagLastSuccessfullETagRequest(tp);
 }
 
-void Folder::etagRetrievedFromSyncEngine(const QString &etag, const QDateTime &time)
+void Folder::etagRetrievedFromSyncEngine(const QByteArray &etag, const QDateTime &time)
 {
     qCInfo(lcFolder) << "Root etag from during sync:" << etag;
     accountState()->tagLastSuccessfullETagRequest(time);

src/gui/folder.h

@@ -376,8 +376,8 @@ private slots:
     void slotItemCompleted(const SyncFileItemPtr &);
 
     void slotRunEtagJob();
-    void etagRetrieved(const QString &, const QDateTime &tp);
-    void etagRetrievedFromSyncEngine(const QString &, const QDateTime &time);
+    void etagRetrieved(const QByteArray &, const QDateTime &tp);
+    void etagRetrievedFromSyncEngine(const QByteArray &, const QDateTime &time);
 
     void slotEmitFinishedDelayed();
 
@@ -447,7 +447,7 @@ private:
     SyncResult _syncResult;
     QScopedPointer<SyncEngine> _engine;
     QPointer<RequestEtagJob> _requestEtagJob;
-    QString _lastEtag;
+    QByteArray _lastEtag;
     QElapsedTimer _timeSinceLastSyncDone;
     QElapsedTimer _timeSinceLastSyncStart;
     QElapsedTimer _timeSinceLastFullLocalDiscovery;

src/libsync/discovery.cpp

@@ -528,7 +528,7 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
                 }
                 return ParentNotChanged;
             }();
-            
+
             processFileAnalyzeLocalInfo(item, path, localEntry, serverEntry, dbEntry, serverQueryMode);
             return;
         }
@@ -545,15 +545,14 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
     item->_modtime = serverEntry.modtime;
     item->_size = serverEntry.size;
 
-    auto postProcessServerNew = [=] () {
-        auto tmp_path = path;
+    auto postProcessServerNew = [=]() mutable {
         if (item->isDirectory()) {
             _pendingAsyncJobs++;
-            _discoveryData->checkSelectiveSyncNewFolder(tmp_path._server, serverEntry.remotePerm,
+            _discoveryData->checkSelectiveSyncNewFolder(path._server, serverEntry.remotePerm,
                 [=](bool result) {
                     --_pendingAsyncJobs;
                     if (!result) {
-                        processFileAnalyzeLocalInfo(item, tmp_path, localEntry, serverEntry, dbEntry, _queryServer);
+                        processFileAnalyzeLocalInfo(item, path, localEntry, serverEntry, dbEntry, _queryServer);
                     }
                     QTimer::singleShot(0, _discoveryData, &DiscoveryPhase::scheduleMoreJobs);
                 });
@@ -568,7 +567,7 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
             && !FileSystem::isExcludeFile(item->_file)) {
             item->_type = ItemTypeVirtualFile;
             if (isVfsWithSuffix())
-                addVirtualFileSuffix(tmp_path._original);
+                addVirtualFileSuffix(path._original);
         }
 
         if (opts._vfs->mode() != Vfs::Off && !item->_encryptedFileName.isEmpty()) {
@@ -579,7 +578,7 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
             // another scenario - we are syncing a file which is on disk but not in the database (database was removed or file was not written there yet)
             item->_size = serverEntry.size - Constants::e2EeTagSize;
         }
-        processFileAnalyzeLocalInfo(item, tmp_path, localEntry, serverEntry, dbEntry, _queryServer);
+        processFileAnalyzeLocalInfo(item, path, localEntry, serverEntry, dbEntry, _queryServer);
     };
 
     // Potential NEW/NEW conflict is handled in AnalyzeLocal
@@ -698,8 +697,7 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
             // we need to make a request to the server to know that the original file is deleted on the server
             _pendingAsyncJobs++;
             auto job = new RequestEtagJob(_discoveryData->_account, originalPath, this);
-            connect(job, &RequestEtagJob::finishedWithResult, this, [=](const HttpResult<QString> &etag) {
-                auto tmp_path = path;
+            connect(job, &RequestEtagJob::finishedWithResult, this, [=](const HttpResult<QByteArray> &etag) mutable {
                 _pendingAsyncJobs--;
                 QTimer::singleShot(0, _discoveryData, &DiscoveryPhase::scheduleMoreJobs);
                 if (etag || etag.error().code != 404 ||
@@ -715,8 +713,8 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
                 // In case the deleted item was discovered in parallel
                 _discoveryData->findAndCancelDeletedJob(originalPath);
 
-                postProcessRename(tmp_path);
-                processFileFinalize(item, tmp_path, item->isDirectory(), item->_instruction == CSYNC_INSTRUCTION_RENAME ? NormalQuery : ParentDontExist, _queryServer);
+                postProcessRename(path);
+                processFileFinalize(item, path, item->isDirectory(), item->_instruction == CSYNC_INSTRUCTION_RENAME ? NormalQuery : ParentDontExist, _queryServer);
             });
             job->start();
             done = true; // Ideally, if the origin still exist on the server, we should continue searching...  but that'd be difficult
@@ -1162,8 +1160,8 @@ void ProcessDirectoryJob::processFileAnalyzeLocalInfo(
         if (base.isVirtualFile() && isVfsWithSuffix())
             chopVirtualFileSuffix(serverOriginalPath);
         auto job = new RequestEtagJob(_discoveryData->_account, serverOriginalPath, this);
-        connect(job, &RequestEtagJob::finishedWithResult, this, [=](const HttpResult<QString> &etag) mutable {
-            if (!etag || (*etag != base._etag && !item->isDirectory()) || _discoveryData->isRenamed(originalPath)) {
+        connect(job, &RequestEtagJob::finishedWithResult, this, [=](const HttpResult<QByteArray> &etag) mutable {
+            if (!etag || (etag.get() != base._etag && !item->isDirectory()) || _discoveryData->isRenamed(originalPath)) {
                 qCInfo(lcDisco) << "Can't rename because the etag has changed or the directory is gone" << originalPath;
                 // Can't be a rename, leave it as a new.
                 postProcessLocalNew();
@@ -1171,7 +1169,7 @@ void ProcessDirectoryJob::processFileAnalyzeLocalInfo(
                 // In case the deleted item was discovered in parallel
                 _discoveryData->findAndCancelDeletedJob(originalPath);
                 processRename(path);
-                recurseQueryServer = *etag == base._etag ? ParentNotChanged : NormalQuery;
+                recurseQueryServer = etag.get() == base._etag ? ParentNotChanged : NormalQuery;
             }
             processFileFinalize(item, path, item->isDirectory(), NormalQuery, recurseQueryServer);
             _pendingAsyncJobs--;

src/libsync/discovery.h

@@ -293,6 +293,6 @@ private:
 signals:
     void finished();
     // The root etag of this directory was fetched
-    void etag(const QString &, const QDateTime &time);
+    void etag(const QByteArray &, const QDateTime &time);
 };
 }

src/libsync/discoveryphase.cpp

@@ -486,7 +486,7 @@ void DiscoverySingleDirectoryJob::directoryListingIteratedSlot(const QString &fi
     //This works in concerto with the RequestEtagJob and the Folder object to check if the remote folder changed.
     if (map.contains("getetag")) {
         if (_firstEtag.isEmpty()) {
-            _firstEtag = parseEtag(map.value("getetag").toUtf8()); // for directory itself
+            _firstEtag = parseEtag(map.value(QStringLiteral("getetag")).toUtf8()); // for directory itself
         }
     }
 }

src/libsync/discoveryphase.h

@@ -127,7 +127,7 @@ public:
     // This is not actually a network job, it is just a job
 signals:
     void firstDirectoryPermissions(RemotePermissions);
-    void etag(const QString &, const QDateTime &time);
+    void etag(const QByteArray &, const QDateTime &time);
     void finished(const HttpResult<QVector<RemoteInfo>> &result);
 
 private slots:
@@ -141,7 +141,7 @@ private slots:
 private:
     QVector<RemoteInfo> _results;
     QString _subPath;
-    QString _firstEtag;
+    QByteArray _firstEtag;
     QByteArray _fileId;
     AccountPtr _account;
     // The first result is for the directory itself and need to be ignored.

src/libsync/networkjobs.cpp

@@ -113,8 +113,8 @@ bool RequestEtagJob::finished()
     if (httpCode == 207) {
         // Parse DAV response
         QXmlStreamReader reader(reply());
-        reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
-        QString etag;
+        reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration(QStringLiteral("d"), QStringLiteral("DAV:")));
+        QByteArray etag;
         while (!reader.atEnd()) {
             QXmlStreamReader::TokenType type = reader.readNext();
             if (type == QXmlStreamReader::StartElement && reader.namespaceUri() == QLatin1String("DAV:")) {
@@ -123,9 +123,9 @@ bool RequestEtagJob::finished()
                     auto etagText = reader.readElementText();
                     auto parsedTag = parseEtag(etagText.toUtf8());
                     if (!parsedTag.isEmpty()) {
-                        etag += QString::fromUtf8(parsedTag);
+                        etag += parsedTag;
                     } else {
-                        etag += etagText;
+                        etag += etagText.toUtf8();
                     }
                 }
             }

src/libsync/networkjobs.h

@@ -349,8 +349,8 @@ public:
     void start() override;
 
 signals:
-    void etagRetrieved(const QString &etag, const QDateTime &time);
-    void finishedWithResult(const HttpResult<QString> &etag);
+    void etagRetrieved(const QByteArray &etag, const QDateTime &time);
+    void finishedWithResult(const HttpResult<QByteArray> &etag);
 
 private slots:
     bool finished() override;
@@ -421,10 +421,10 @@ signals:
      * @param statusCode - the OCS status code: 100 (!) for success
      */
     void etagResponseHeaderReceived(const QByteArray &value, int statusCode);
-    
+
     /**
      * @brief desktopNotificationStatusReceived - signal to report if notifications are allowed
-     * @param status - set desktop notifications allowed status 
+     * @param status - set desktop notifications allowed status
      */
     void allowDesktopNotificationsChanged(bool isAllowed);
 

src/libsync/syncengine.cpp

@@ -614,7 +614,7 @@ void SyncEngine::slotFolderDiscovered(bool local, const QString &folder)
     emit transmissionProgress(*_progressInfo);
 }
 
-void SyncEngine::slotRootEtagReceived(const QString &e, const QDateTime &time)
+void SyncEngine::slotRootEtagReceived(const QByteArray &e, const QDateTime &time)
 {
     if (_remoteRootEtag.isEmpty()) {
         qCDebug(lcEngine) << "Root etag:" << e;

src/libsync/syncengine.h

@@ -138,7 +138,7 @@ public:
 
 signals:
     // During update, before reconcile
-    void rootEtag(const QString &, const QDateTime &);
+    void rootEtag(const QByteArray &, const QDateTime &);
 
     // after the above signals. with the items that actually need propagating
     void aboutToPropagate(SyncFileItemVector &);
@@ -174,7 +174,7 @@ signals:
 
 private slots:
     void slotFolderDiscovered(bool local, const QString &folder);
-    void slotRootEtagReceived(const QString &, const QDateTime &time);
+    void slotRootEtagReceived(const QByteArray &, const QDateTime &time);
 
     /** When the discovery phase discovers an item */
     void slotItemDiscovered(const SyncFileItemPtr &item);
@@ -234,7 +234,7 @@ private:
     bool _syncRunning;
     QString _localPath;
     QString _remotePath;
-    QString _remoteRootEtag;
+    QByteArray _remoteRootEtag;
     SyncJournalDb *_journal;
     QScopedPointer<DiscoveryPhase> _discoveryPhase;
     QSharedPointer<OwncloudPropagator> _propagator;