/// <summary>
/// Uploads the file content to the remote document.
/// </summary>
/// <returns>The SHA-1 hash of the uploaded file content.</returns>
/// <param name="localFile">Local file.</param>
/// <param name="doc">Remote document.</param>
/// <param name="transmissionManager">Transmission manager.</param>
/// <param name="transmissionEvent">File Transmission event.</param>
/// <param name="mappedObject">Mapped object saved in <c>Storage</c></param>
protected byte[] UploadFileWithPWC(IFileInfo localFile, ref IDocument doc, Transmission transmission, IMappedObject mappedObject = null) {
byte[] checksum = null;
var docPWC = this.LoadRemotePWCDocument(doc, ref checksum);
using (var file = localFile.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete)) {
if (checksum != null) {
// check PWC checksum for integration
using (var hashAlg = new SHA1Managed()) {
int bufsize = 8 * 1024;
byte[] buffer = new byte[bufsize];
for (long offset = 0; offset < docPWC.ContentStreamLength.GetValueOrDefault();) {
int readsize = bufsize;
if (readsize + offset > docPWC.ContentStreamLength.GetValueOrDefault()) {
readsize = (int)(docPWC.ContentStreamLength.GetValueOrDefault() - offset);
}
readsize = file.Read(buffer, 0, readsize);
hashAlg.TransformBlock(buffer, 0, readsize, buffer, 0);
offset += readsize;
if (readsize == 0) {
break;
}
}
hashAlg.TransformFinalBlock(new byte[0], 0, 0);
if (!hashAlg.Hash.SequenceEqual(checksum)) {
docPWC.DeleteContentStream();
}
file.Seek(0, SeekOrigin.Begin);
}
}
byte[] hash = null;
var uploader = FileTransmission.ContentTaskUtils.CreateUploader(this.TransmissionStorage.ChunkSize);
using (var hashAlg = new SHA1Reuse()) {
try {
using (var hashstream = new NonClosingHashStream(file, hashAlg, CryptoStreamMode.Read)) {
int bufsize = 8 * 1024;
byte[] buffer = new byte[bufsize];
for (long offset = 0; offset < docPWC.ContentStreamLength.GetValueOrDefault();) {
int readsize = bufsize;
if (readsize + offset > docPWC.ContentStreamLength.GetValueOrDefault()) {
readsize = (int)(docPWC.ContentStreamLength.GetValueOrDefault() - offset);
}
readsize = hashstream.Read(buffer, 0, readsize);
offset += readsize;
if (readsize == 0) {
break;
}
}
}
var document = doc;
uploader.UploadFile(docPWC, file, transmission, hashAlg, false, (byte[] checksumUpdate, long length) => this.SaveRemotePWCDocument(localFile, document, docPWC, checksumUpdate, transmission));
hash = hashAlg.Hash;
} catch (Exception ex) {
transmission.FailedException = ex;
throw;
}
}
this.TransmissionStorage.RemoveObjectByRemoteObjectId(doc.Id);
var properties = new Dictionary<string, object>();
properties.Add(PropertyIds.LastModificationDate, localFile.LastWriteTimeUtc);
doc = this.Session.GetObject(docPWC.CheckIn(true, properties, null, string.Empty)) as IDocument;
// Refresh is required, or DotCMIS will use cached one only
doc.Refresh();
transmission.Status = TransmissionStatus.FINISHED;
return hash;
}
}