public lr_document()
{
// TOS = new lr_TOS();
active = true;
doc_type = new lr_doc_type.resource_data();
doc_version = new lr_doc_version.v_0_23_0();
identity = new lr_identity();
keys = new lr_keys();
payload_placement = new lr_payload_placement.inline();
payload_schema = new lr_payload_schema();
resource_data = "";
resource_data_type = new lr_resource_data_type.metadata();
resource_locator = "";
payload_schema_locator = "";
payload_schema_format = "";
payload_locator = "";
weight = 100;
resource_TTL = 0;
digital_signature = null;
}
public lr_document Sign(lr_document document)
{
//Nullify any previous signature info or fields populated by the server
document.digital_signature = null;
//Bencode the document data
string bencodedMsg = document.Bencode();
//Clear sign the bencoded document
string clearSignedMessage = signEnvelopeData(getHash(bencodedMsg));
//Create a signature based on the clearSignedMessage
lr_digital_signature signature = new lr_digital_signature();
signature.signing_method = signingMethod;
Console.WriteLine("message: " + clearSignedMessage);
signature.signature = clearSignedMessage;
signature.key_location = _publicKeyLocation;
//Add the signature to the original document
document.digital_signature = signature;
return document;
}
public lr_document Sign(lr_document document)
{
//Nullify any previous signature info or fields populated by the server
document.digital_signature = null;
//Bencode the document data
string bencodedMsg = document.Bencode();
//Clear sign the bencoded document
string clearSignedMessage = signEnvelopeData(getHash(bencodedMsg));
//Create a signature based on the clearSignedMessage
lr_digital_signature signature = new lr_digital_signature();
signature.signing_method = signingMethod;
Console.WriteLine("message: " + clearSignedMessage);
signature.signature = clearSignedMessage;
signature.key_location = _publicKeyLocation;
//Add the signature to the original document
document.digital_signature = signature;
return(document);
}
public void Sign(string passphrase, string keyID, string keyloc)
{
string data = Bencode();
string randomname = System.IO.Path.GetRandomFileName();
randomname = System.IO.Path.GetTempPath() + randomname;
try
{
System.Security.Cryptography.SHA256 sha256 = System.Security.Cryptography.SHA256.Create();
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(data);
byte[] hash = sha256.ComputeHash(buffer);
System.IO.StreamWriter sw = new System.IO.StreamWriter(randomname + ".json.bencoded");
sw.Write(hash);
sw.Close();
string pgpfilename = LearningRegistry.Settings.LR_Integration_GPGLocation() + "gpg.exe";
string arguements;
if (keyID == "")
{
arguements = " -b -a --passphrase-fd 0 " + "\"" + randomname + ".json.bencoded" + "\"";
}
else
{
arguements = "--default-key " + keyID + " -b -a --passphrase-fd 0 " + "\"" + randomname + ".json.bencoded" + "\"";
}
System.Diagnostics.ProcessStartInfo sfi = new System.Diagnostics.ProcessStartInfo(pgpfilename, arguements);
sfi.RedirectStandardInput = true;
sfi.CreateNoWindow = true;
sfi.UseShellExecute = false;
System.Diagnostics.Process p = System.Diagnostics.Process.Start(sfi);
p.StandardInput.WriteLine(passphrase);
p.WaitForExit();
if (p.ExitCode != 0)
{
throw new Exception("GPG.exe returned code " + p.ExitCode.ToString());
}
System.IO.StreamReader sr = new System.IO.StreamReader(randomname + ".json.bencoded.asc");
string sig = sr.ReadToEnd();
sr.Close();
System.IO.File.Delete(randomname + ".json.bencoded.asc");
System.IO.File.Delete(randomname + ".json.bencoded");
digital_signature = new lr_digital_signature();
digital_signature.key_location.Add(keyloc);
digital_signature.signature = sig;
digital_signature.signing_method = Taxonomies.SigningMethod.LR_PGP_1_0;
}
catch (Exception)
{
try
{
System.IO.File.Delete(randomname + ".json.bencoded.asc");
}
catch { }
try
{
System.IO.File.Delete(randomname + ".json.bencoded");
}
catch (Exception) { }
// throw e;
}
}
