/// <summary>
/// Loads the EncrHeaders for new and updated encripted files
/// </summary>
private void FindChanges_St05_RefreshEncrHeaders(ConsoleEx console, List <ChangeBuilder> matchesA)
{
int statsRefreshHeaderCount = 0;
foreach (ChangeBuilder preSyncDetails in matchesA.Where(m => m.EncrInfo != null && m.EncrInfo.LastWriteTimeUtc != m.LogEntry?.EncrModified))
{
string encrFullPath = Path.Combine(EncrDirectory.FullName, HelixUtil.PathNative(preSyncDetails.EncrFileName));
if (File.Exists(encrFullPath))
{
preSyncDetails.EncrHeader = HelixFile.DecryptHeader(encrFullPath, this.DerivedBytesProvider);
//Updates the DecrFileName (if necessary)
if (string.IsNullOrEmpty(preSyncDetails.DecrFileName) &&
FileNameEncoder.EncodeName(preSyncDetails.EncrHeader.FileName) == preSyncDetails.EncrInfo.RelativePath)
{
preSyncDetails.DecrFileName = preSyncDetails.EncrHeader.FileName;
}
}
statsRefreshHeaderCount++;
}
console?.WriteLine(VerbosityLevel.Diagnostic, 2, $"Updated {statsRefreshHeaderCount} headers");
}
/// <summary>
/// Matches files from Encr, Decr and Log Entry
/// </summary>
private List <ChangeBuilder> FindChanges_St04_ThreeWayJoin(List <FSEntry> encrDirectoryFiles, List <FSEntry> decrDirectoryFiles, SyncLog syncLog, ConsoleEx console)
{
List <ChangeBuilder> preSyncDetails = new List <ChangeBuilder>();
//Adds Logs
console?.WriteLine(VerbosityLevel.Diagnostic, 2, "Merging in log...");
preSyncDetails.AddRange(syncLog.Select(entry => new ChangeBuilder {
LogEntry = entry
}));
console?.WriteLine(VerbosityLevel.Diagnostic, 3, $"{preSyncDetails.Count} added");
//Updates/Adds Decrypted File Information
console?.WriteLine(VerbosityLevel.Diagnostic, 2, "Merging in decrypted information...");
int decrStatAdd = 0;
int decrStatMerge = 0;
var decrJoin = decrDirectoryFiles
.GroupJoin(preSyncDetails,
o => o.RelativePath,
i => i?.LogEntry?.DecrFileName,
(o, i) => new Tuple <FSEntry, ChangeBuilder>(o, i.FirstOrDefault()));
foreach (var entry in decrJoin.ToList())
{
if (entry.Item2 == null)
{
//New Entry (not in log)
preSyncDetails.Add(new ChangeBuilder {
DecrInfo = entry.Item1
});
decrStatAdd++;
}
else
{
//Existing Entry (update only)
entry.Item2.DecrInfo = entry.Item1;
if (entry.Item1 != null)
{
decrStatMerge++;
}
}
}
console?.WriteLine(VerbosityLevel.Diagnostic, 3, $"{decrStatAdd} added, {decrStatMerge} merged");
//find encrypted file names
foreach (var entry in preSyncDetails)
{
entry.DecrFileName = entry.LogEntry?.DecrFileName ?? entry.DecrInfo.RelativePath;
entry.EncrFileName = FileNameEncoder.EncodeName(entry.DecrFileName);
}
//Updates/adds encrypted File Information
console?.WriteLine(VerbosityLevel.Diagnostic, 2, "Merging in encrypted information...");
int encrStatAdd = 0;
int encrStatMerge = 0;
var encrJoin = encrDirectoryFiles
.GroupJoin(preSyncDetails,
o => o.RelativePath,
i => i.EncrFileName,
(o, i) => new Tuple <FSEntry, ChangeBuilder>(o, i.FirstOrDefault()));
foreach (var entry in encrJoin.ToList())
{
if (entry.Item2 == null)
{
//New Entry (not in log or decrypted file)
preSyncDetails.Add(new ChangeBuilder {
EncrInfo = entry.Item1, EncrFileName = entry.Item1.RelativePath
});
encrStatAdd++;
}
else
{
//Existing Entry
entry.Item2.EncrInfo = entry.Item1;
if (entry.Item1 != null)
{
encrStatMerge++;
}
}
}
console?.WriteLine(VerbosityLevel.Diagnostic, 3, $"{encrStatAdd} added, {encrStatMerge} merged");
return(preSyncDetails);
}