public void OnDeserialized(StreamingContext ctx)
{
// Add key from incoming sharing.
if (this.SharingKey != null && this.sharedKeys.Any(x => x.Id == this.Id) == false)
{
this.sharedKeys.Add(new SharedKey(this.Id, this.SharingKey));
}
this.CreationDate = this.SerializedCreationDate.ToDateTime();
if (this.Type == NodeType.File || this.Type == NodeType.Directory)
{
// There are cases where the SerializedKey property contains multiple keys separated with /
// This can occur when a folder is shared and the parent is shared too.
// Both keys are working so we use the first one
string serializedKey = this.SerializedKey.Split('/')[0];
int splitPosition = serializedKey.IndexOf(":", StringComparison.Ordinal);
byte[] encryptedKey = serializedKey.Substring(splitPosition + 1).FromBase64();
// If node is shared, we need to retrieve shared masterkey
if (this.sharedKeys != null)
{
string handle = serializedKey.Substring(0, splitPosition);
SharedKey sharedKey = this.sharedKeys.FirstOrDefault(x => x.Id == handle);
if (sharedKey != null)
{
this.masterKey = Crypto.DecryptKey(sharedKey.Key.FromBase64(), this.masterKey);
if (this.Type == NodeType.Directory)
{
this.SharedKey = this.masterKey;
}
else
{
this.SharedKey = Crypto.DecryptKey(encryptedKey, this.masterKey);
}
}
}
this.FullKey = Crypto.DecryptKey(encryptedKey, this.masterKey);
if (this.Type == NodeType.File)
{
byte[] iv, metaMac, fileKey;
Crypto.GetPartsFromDecryptedKey(this.FullKey, out iv, out metaMac, out fileKey);
this.Iv = iv;
this.MetaMac = metaMac;
this.Key = fileKey;
}
else
{
this.Key = this.FullKey;
}
this.Attributes = Crypto.DecryptAttributes(this.SerializedAttributes.FromBase64(), this.Key);
}
}
public void OnDeserialized(StreamingContext ctx)
{
if (this.SharingKey != null && !this.sharedKeys.Any((SharedKey x) => x.Id == base.Id))
{
this.sharedKeys.Add(new SharedKey(base.Id, this.SharingKey));
}
this.CreationDate = this.SerializedCreationDate.ToDateTime();
if (base.Type == NodeType.File || base.Type == NodeType.Directory)
{
if (string.IsNullOrEmpty(this.SerializedKey))
{
this.EmptyKey = true;
return;
}
string text = this.SerializedKey.Split(new char[]
{
'/'
})[0];
int num = text.IndexOf(":", StringComparison.Ordinal);
byte[] data = text.Substring(num + 1).FromBase64();
if (this.sharedKeys != null)
{
string handle = text.Substring(0, num);
SharedKey sharedKey = this.sharedKeys.FirstOrDefault((SharedKey x) => x.Id == handle);
if (sharedKey != null)
{
this.masterKey = Crypto.DecryptKey(sharedKey.Key.FromBase64(), this.masterKey);
if (base.Type == NodeType.Directory)
{
this.SharedKey = this.masterKey;
}
else
{
this.SharedKey = Crypto.DecryptKey(data, this.masterKey);
}
}
}
this.FullKey = Crypto.DecryptKey(data, this.masterKey);
if (base.Type == NodeType.File)
{
byte[] iv;
byte[] metaMac;
byte[] key;
Crypto.GetPartsFromDecryptedKey(this.FullKey, out iv, out metaMac, out key);
this.Iv = iv;
this.MetaMac = metaMac;
this.Key = key;
}
else
{
this.Key = this.FullKey;
}
base.Attributes = Crypto.DecryptAttributes(this.SerializedAttributes.FromBase64(), this.Key);
}
}
public void OnDeserialized(StreamingContext ctx)
{
// Add key from incoming sharing.
if (this.SharingKey != null && this.sharedKeys.Any(x => x.Id == this.Id) == false)
{
this.sharedKeys.Add(new SharedKey(this.Id, this.SharingKey));
}
this.CreationDate = this.SerializedCreationDate.ToDateTime();
if (this.Type == NodeType.File || this.Type == NodeType.Directory)
{
// Check if file is not yet decrypted
if (string.IsNullOrEmpty(this.SerializedKey))
{
this.EmptyKey = true;
return;
}
// There are cases where the SerializedKey property contains multiple keys separated with /
// This can occur when a folder is shared and the parent is shared too.
// Both keys are working so we use the first one
string serializedKey = this.SerializedKey.Split('/')[0];
int splitPosition = serializedKey.IndexOf(":", StringComparison.Ordinal);
byte[] encryptedKey = serializedKey.Substring(splitPosition + 1).FromBase64();
// If node is shared, we need to retrieve shared masterkey
if (this.sharedKeys != null)
{
string handle = serializedKey.Substring(0, splitPosition);
SharedKey sharedKey = this.sharedKeys.FirstOrDefault(x => x.Id == handle);
if (sharedKey != null)
{
this.masterKey = Crypto.DecryptKey(sharedKey.Key.FromBase64(), this.masterKey);
if (this.Type == NodeType.Directory)
{
this.SharedKey = this.masterKey;
}
else
{
this.SharedKey = Crypto.DecryptKey(encryptedKey, this.masterKey);
}
}
}
this.FullKey = Crypto.DecryptKey(encryptedKey, this.masterKey);
if (this.Type == NodeType.File)
{
byte[] iv, metaMac, fileKey;
Crypto.GetPartsFromDecryptedKey(this.FullKey, out iv, out metaMac, out fileKey);
this.Iv = iv;
this.MetaMac = metaMac;
this.Key = fileKey;
}
else
{
this.Key = this.FullKey;
}
this.Attributes = Crypto.DecryptAttributes(this.SerializedAttributes.FromBase64(), this.Key);
if (this.SerializedFileAttributes != null)
{
var attributes = this.SerializedFileAttributes.Split('/');
this.FileAttributes = attributes
.Select(_ => FileAttributeRegex.Match(_))
.Where(_ => _.Success)
.Select(_ => new FileAttribute(
int.Parse(_.Groups["id"].Value),
(FileAttributeType)Enum.Parse(typeof(FileAttributeType), _.Groups["type"].Value),
_.Groups["handle"].Value))
.ToArray();
}
}
}
public void OnDeserialized(StreamingContext ctx)
{
object[] context = (object[])ctx.Context;
GetNodesResponse nodesResponse = (GetNodesResponse)context[0];
if (context.Length == 1)
{
// Add key from incoming sharing.
if (this.SharingKey != null && nodesResponse.SharedKeys.Any(x => x.Id == this.Id) == false)
{
nodesResponse.SharedKeys.Add(new SharedKey(this.Id, this.SharingKey));
}
return;
}
else
{
byte[] masterKey = (byte[])context[1];
this.LastModificationDate = OriginalDateTime.AddSeconds(this.SerializedLastModificationDate).ToLocalTime();
if (this.Type == NodeType.File || this.Type == NodeType.Directory)
{
// There are cases where the SerializedKey property contains multiple keys separated with /
// This can occur when a folder is shared and the parent is shared too.
// Both keys are working so we use the first one
string serializedKey = this.SerializedKey.Split('/')[0];
int splitPosition = serializedKey.IndexOf(":", StringComparison.InvariantCulture);
byte[] encryptedKey = serializedKey.Substring(splitPosition + 1).FromBase64();
// If node is shared, we need to retrieve shared masterkey
if (nodesResponse.SharedKeys != null)
{
string handle = serializedKey.Substring(0, splitPosition);
SharedKey sharedKey = nodesResponse.SharedKeys.FirstOrDefault(x => x.Id == handle);
if (sharedKey != null)
{
masterKey = Crypto.DecryptKey(sharedKey.Key.FromBase64(), masterKey);
if (this.Type == NodeType.Directory)
{
this.SharedKey = masterKey;
}
else
{
this.SharedKey = Crypto.DecryptKey(encryptedKey, masterKey);
}
}
}
this.FullKey = Crypto.DecryptKey(encryptedKey, masterKey);
if (this.Type == NodeType.File)
{
byte[] iv, metaMac, fileKey;
Crypto.GetPartsFromDecryptedKey(this.FullKey, out iv, out metaMac, out fileKey);
this.Iv = iv;
this.MetaMac = metaMac;
this.Key = fileKey;
}
else
{
this.Key = this.FullKey;
}
Attributes attributes = Crypto.DecryptAttributes(this.SerializedAttributes.FromBase64(), this.Key);
this.Name = attributes.Name;
}
}
}