private Account[] ParseAccounts(List <ParserHelper.Chunk> chunks, byte[] encryptionKey)
{
var accounts = new List <Account>(chunks.Count(i => i.Id == "ACCT"));
SharedFolder folder = null;
var rsaKey = new RSAParameters();
foreach (var i in chunks)
{
switch (i.Id)
{
case "ACCT":
var account = ParserHelper.Parse_ACCT(i,
folder == null ? encryptionKey : folder.EncryptionKey,
folder);
if (account != null)
{
accounts.Add(account);
}
break;
case "PRIK":
rsaKey = ParserHelper.Parse_PRIK(i, encryptionKey);
break;
case "SHAR":
folder = ParserHelper.Parse_SHAR(i, encryptionKey, rsaKey);
break;
}
}
return(accounts.ToArray());
}
public static string MakeAccountPath(string group, SharedFolder folder)
{
if (folder == null)
{
return(string.IsNullOrEmpty(group) ? "(none)" : group);
}
return(string.IsNullOrEmpty(group) ? folder.Name : string.Format("{0}\\{1}", folder.Name, group));
}
// May return null when the chunk does not represent an account.
// All secure notes are ACCTs but not all of them store account information.
//
// TODO: Add a test for the folder case!
// TODO: Add a test case that covers secure note account!
public static Account Parse_ACCT(Chunk chunk, byte[] encryptionKey, SharedFolder folder = null)
{
Debug.Assert(chunk.Id == "ACCT");
return(WithBytes(chunk.Payload, reader =>
{
var placeholder = "decryption failed";
// Read all items
var id = ReadItem(reader).ToUtf8();
var name = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
var group = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
var url = ReadItem(reader).ToUtf8().DecodeHex().ToUtf8();
// Ignore "group" accounts. They have no credentials.
if (url == "http://group")
{
return null;
}
var notes = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
2.Times(() => SkipItem(reader));
var username = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
var password = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
2.Times(() => SkipItem(reader));
var secureNoteMarker = ReadItem(reader).ToUtf8();
// Parse secure note
if (secureNoteMarker == "1")
{
var type = "";
ParseSecureNoteServer(notes, ref type, ref url, ref username, ref password);
// Only the some secure notes contain account-like information
if (!AllowedSecureNoteTypes.Contains(type))
{
return null;
}
}
// Adjust the path to include the group and the shared folder, if any.
var path = MakeAccountPath(group, folder);
return new Account(id, name, username, password, url, path);
}));
}
// May return null when the chunk does not represent an account.
// All secure notes are ACCTs but not all of them store account information.
//
// TODO: Add a test for the folder case!
// TODO: Add a test case that covers secure note account!
public static Account Parse_ACCT(Chunk chunk, byte[] encryptionKey, SharedFolder folder = null)
{
Debug.Assert(chunk.Id == "ACCT");
return(WithBytes(chunk.Payload, reader =>
{
var placeholder = "decryption failed";
// Read all items
var id = ReadItem(reader).ToUtf8();
var name = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
var group = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
var url = ReadItem(reader).ToUtf8().DecodeHex().ToUtf8();
var notes = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
2.Times(() => SkipItem(reader));
var username = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
var password = DecryptAes256Plain(ReadItem(reader), encryptionKey, placeholder);
2.Times(() => SkipItem(reader));
var secureNoteMarker = ReadItem(reader).ToUtf8();
// Parse secure note
if (secureNoteMarker == "1")
{
var type = "";
ParseSecureNoteServer(notes, ref type, ref url, ref username, ref password);
// Only the some secure notes contain account-like information
if (!AllowedSecureNoteTypes.Contains(type))
{
return null;
}
}
// Override the group name with the shared folder name if any.
if (folder != null)
{
group = folder.Name;
}
return new Account(id, name, username, password, url, group);
}));
}
