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ahmadali shafiee 2016-04-18 15:20:57 +04:30
parent d330f9614b
commit 504b63a6d7
38 changed files with 16805 additions and 16280 deletions
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50
TLSharp.Core/Auth/Authenticator.cs
View file

@ -3,35 +3,35 @@ using TLSharp.Core.Network;
namespace TLSharp.Core.Auth
{
public static class Authenticator
{
public static async Task<Step3_Response> DoAuthentication(TcpTransport transport)
{
var sender = new MtProtoPlainSender(transport);
var step1 = new Step1_PQRequest();
public static class Authenticator
{
public static async Task<Step3_Response> DoAuthentication(TcpTransport transport)
{
var sender = new MtProtoPlainSender(transport);
var step1 = new Step1_PQRequest();
await sender.Send(step1.ToBytes());
var step1Response = step1.FromBytes(await sender.Recieve());
await sender.Send(step1.ToBytes());
var step1Response = step1.FromBytes(await sender.Recieve());
var step2 = new Step2_DHExchange();
await sender.Send(step2.ToBytes(
step1Response.Nonce,
step1Response.ServerNonce,
step1Response.Fingerprints,
step1Response.Pq));
var step2 = new Step2_DHExchange();
await sender.Send(step2.ToBytes(
step1Response.Nonce,
step1Response.ServerNonce,
step1Response.Fingerprints,
step1Response.Pq));
var step2Response = step2.FromBytes(await sender.Recieve());
var step2Response = step2.FromBytes(await sender.Recieve());
var step3 = new Step3_CompleteDHExchange();
await sender.Send(step3.ToBytes(
step2Response.Nonce,
step2Response.ServerNonce,
step2Response.NewNonce,
step2Response.EncryptedAnswer));
var step3 = new Step3_CompleteDHExchange();
await sender.Send(step3.ToBytes(
step2Response.Nonce,
step2Response.ServerNonce,
step2Response.NewNonce,
step2Response.EncryptedAnswer));
var step3Response = step3.FromBytes(await sender.Recieve());
var step3Response = step3.FromBytes(await sender.Recieve());
return step3Response;
}
}
return step3Response;
}
}
}

148
TLSharp.Core/Auth/Step1_PQRequest.cs
View file

@ -7,90 +7,90 @@ using TLSharp.Core.MTProto.Crypto;
namespace TLSharp.Core.Auth
{
public class Step1_Response
{
public byte[] Nonce { get; set; }
public byte[] ServerNonce { get; set; }
public BigInteger Pq { get; set; }
public List<byte[]> Fingerprints { get; set; }
}
public class Step1_Response
{
public byte[] Nonce { get; set; }
public byte[] ServerNonce { get; set; }
public BigInteger Pq { get; set; }
public List<byte[]> Fingerprints { get; set; }
}
public class Step1_PQRequest
{
private byte[] nonce;
public class Step1_PQRequest
{
private byte[] nonce;
public Step1_PQRequest()
{
nonce = new byte[16];
}
public Step1_PQRequest()
{
nonce = new byte[16];
}
public byte[] ToBytes()
{
new Random().NextBytes(nonce);
const int constructorNumber = 0x60469778;
public byte[] ToBytes()
{
new Random().NextBytes(nonce);
const int constructorNumber = 0x60469778;
using (var memoryStream = new MemoryStream())
{
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.Write(constructorNumber);
binaryWriter.Write(nonce);
using (var memoryStream = new MemoryStream())
{
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.Write(constructorNumber);
binaryWriter.Write(nonce);
return memoryStream.ToArray();
}
}
}
return memoryStream.ToArray();
}
}
}
public Step1_Response FromBytes(byte[] bytes)
{
var fingerprints = new List<byte[]>();
public Step1_Response FromBytes(byte[] bytes)
{
var fingerprints = new List<byte[]>();
using (var memoryStream = new MemoryStream(bytes, false))
{
using (var binaryReader = new BinaryReader(memoryStream))
{
const int responseConstructorNumber = 0x05162463;
var responseCode = binaryReader.ReadInt32();
if (responseCode != responseConstructorNumber)
{
throw new InvalidOperationException($"invalid response code: {responseCode}");
}
using (var memoryStream = new MemoryStream(bytes, false))
{
using (var binaryReader = new BinaryReader(memoryStream))
{
const int responseConstructorNumber = 0x05162463;
var responseCode = binaryReader.ReadInt32();
if (responseCode != responseConstructorNumber)
{
throw new InvalidOperationException($"invalid response code: {responseCode}");
}
var nonceFromServer = binaryReader.ReadBytes(16);
if (!nonceFromServer.SequenceEqual(nonce))
{
throw new InvalidOperationException("invalid nonce from server");
}
var serverNonce = binaryReader.ReadBytes(16);
var nonceFromServer = binaryReader.ReadBytes(16);
byte[] pqbytes = Serializers.Bytes.read(binaryReader);
var pq = new BigInteger(1, pqbytes);
if (!nonceFromServer.SequenceEqual(nonce))
{
throw new InvalidOperationException("invalid nonce from server");
}
var vectorId = binaryReader.ReadInt32();
const int vectorConstructorNumber = 0x1cb5c415;
if (vectorId != vectorConstructorNumber)
{
throw new InvalidOperationException($"Invalid vector constructor number {vectorId}");
}
var serverNonce = binaryReader.ReadBytes(16);
var fingerprintCount = binaryReader.ReadInt32();
for (var i = 0; i < fingerprintCount; i++)
{
byte[] fingerprint = binaryReader.ReadBytes(8);
fingerprints.Add(fingerprint);
}
byte[] pqbytes = Serializers.Bytes.read(binaryReader);
var pq = new BigInteger(1, pqbytes);
return new Step1_Response
{
Fingerprints = fingerprints,
Nonce = nonce,
Pq = pq,
ServerNonce = serverNonce
};
}
}
}
}
var vectorId = binaryReader.ReadInt32();
const int vectorConstructorNumber = 0x1cb5c415;
if (vectorId != vectorConstructorNumber)
{
throw new InvalidOperationException($"Invalid vector constructor number {vectorId}");
}
var fingerprintCount = binaryReader.ReadInt32();
for (var i = 0; i < fingerprintCount; i++)
{
byte[] fingerprint = binaryReader.ReadBytes(8);
fingerprints.Add(fingerprint);
}
return new Step1_Response
{
Fingerprints = fingerprints,
Nonce = nonce,
Pq = pq,
ServerNonce = serverNonce
};
}
}
}
}
}

202
TLSharp.Core/Auth/Step2_DHExchange.cs
View file

@ -6,107 +6,107 @@ using TLSharp.Core.MTProto.Crypto;
namespace TLSharp.Core.Auth
{
public class Step2_Response
{
public byte[] Nonce { get; set; }
public byte[] ServerNonce { get; set; }
public byte[] NewNonce { get; set; }
public byte[] EncryptedAnswer { get; set; }
}
public class Step2_Response
{
public byte[] Nonce { get; set; }
public byte[] ServerNonce { get; set; }
public byte[] NewNonce { get; set; }
public byte[] EncryptedAnswer { get; set; }
}
public class Step2_DHExchange
{
public byte[] newNonce;
public class Step2_DHExchange
{
public byte[] newNonce;
public Step2_DHExchange()
{
newNonce = new byte[32];
}
public Step2_DHExchange()
{
newNonce = new byte[32];
}
public byte[] ToBytes(byte[] nonce, byte[] serverNonce, List<byte[]> fingerprints, BigInteger pq)
{
new Random().NextBytes(newNonce);
var pqPair = Factorizator.Factorize(pq);
public byte[] ToBytes(byte[] nonce, byte[] serverNonce, List<byte[]> fingerprints, BigInteger pq)
{
new Random().NextBytes(newNonce);
byte[] reqDhParamsBytes;
var pqPair = Factorizator.Factorize(pq);
using (MemoryStream pqInnerData = new MemoryStream(255))
{
using (BinaryWriter pqInnerDataWriter = new BinaryWriter(pqInnerData))
{
pqInnerDataWriter.Write(0x83c95aec); // pq_inner_data
Serializers.Bytes.write(pqInnerDataWriter, pq.ToByteArrayUnsigned());
Serializers.Bytes.write(pqInnerDataWriter, pqPair.Min.ToByteArrayUnsigned());
Serializers.Bytes.write(pqInnerDataWriter, pqPair.Max.ToByteArrayUnsigned());
pqInnerDataWriter.Write(nonce);
pqInnerDataWriter.Write(serverNonce);
pqInnerDataWriter.Write(newNonce);
byte[] reqDhParamsBytes;
byte[] ciphertext = null;
byte[] targetFingerprint = null;
foreach (byte[] fingerprint in fingerprints)
{
ciphertext = RSA.Encrypt(BitConverter.ToString(fingerprint).Replace("-", string.Empty),
pqInnerData.GetBuffer(), 0, (int)pqInnerData.Position);
if (ciphertext != null)
{
targetFingerprint = fingerprint;
break;
}
}
using (MemoryStream pqInnerData = new MemoryStream(255))
{
using (BinaryWriter pqInnerDataWriter = new BinaryWriter(pqInnerData))
{
pqInnerDataWriter.Write(0x83c95aec); // pq_inner_data
Serializers.Bytes.write(pqInnerDataWriter, pq.ToByteArrayUnsigned());
Serializers.Bytes.write(pqInnerDataWriter, pqPair.Min.ToByteArrayUnsigned());
Serializers.Bytes.write(pqInnerDataWriter, pqPair.Max.ToByteArrayUnsigned());
pqInnerDataWriter.Write(nonce);
pqInnerDataWriter.Write(serverNonce);
pqInnerDataWriter.Write(newNonce);
if (ciphertext == null)
{
throw new InvalidOperationException(
String.Format("not found valid key for fingerprints: {0}", String.Join(", ", fingerprints)));
}
byte[] ciphertext = null;
byte[] targetFingerprint = null;
foreach (byte[] fingerprint in fingerprints)
{
ciphertext = RSA.Encrypt(BitConverter.ToString(fingerprint).Replace("-", string.Empty),
pqInnerData.GetBuffer(), 0, (int)pqInnerData.Position);
if (ciphertext != null)
{
targetFingerprint = fingerprint;
break;
}
}
using (MemoryStream reqDHParams = new MemoryStream(1024))
{
using (BinaryWriter reqDHParamsWriter = new BinaryWriter(reqDHParams))
{
reqDHParamsWriter.Write(0xd712e4be); // req_dh_params
reqDHParamsWriter.Write(nonce);
reqDHParamsWriter.Write(serverNonce);
Serializers.Bytes.write(reqDHParamsWriter, pqPair.Min.ToByteArrayUnsigned());
Serializers.Bytes.write(reqDHParamsWriter, pqPair.Max.ToByteArrayUnsigned());
reqDHParamsWriter.Write(targetFingerprint);
Serializers.Bytes.write(reqDHParamsWriter, ciphertext);
if (ciphertext == null)
{
throw new InvalidOperationException(
String.Format("not found valid key for fingerprints: {0}", String.Join(", ", fingerprints)));
}
reqDhParamsBytes = reqDHParams.ToArray();
}
}
}
return reqDhParamsBytes;
}
}
using (MemoryStream reqDHParams = new MemoryStream(1024))
{
using (BinaryWriter reqDHParamsWriter = new BinaryWriter(reqDHParams))
{
reqDHParamsWriter.Write(0xd712e4be); // req_dh_params
reqDHParamsWriter.Write(nonce);
reqDHParamsWriter.Write(serverNonce);
Serializers.Bytes.write(reqDHParamsWriter, pqPair.Min.ToByteArrayUnsigned());
Serializers.Bytes.write(reqDHParamsWriter, pqPair.Max.ToByteArrayUnsigned());
reqDHParamsWriter.Write(targetFingerprint);
Serializers.Bytes.write(reqDHParamsWriter, ciphertext);
public Step2_Response FromBytes(byte[] response)
{
byte[] encryptedAnswer;
reqDhParamsBytes = reqDHParams.ToArray();
}
}
}
return reqDhParamsBytes;
}
}
using (MemoryStream responseStream = new MemoryStream(response, false))
{
using (BinaryReader responseReader = new BinaryReader(responseStream))
{
uint responseCode = responseReader.ReadUInt32();
public Step2_Response FromBytes(byte[] response)
{
byte[] encryptedAnswer;
if (responseCode == 0x79cb045d)
{
// server_DH_params_fail
throw new InvalidOperationException("server_DH_params_fail: TODO");
}
using (MemoryStream responseStream = new MemoryStream(response, false))
{
using (BinaryReader responseReader = new BinaryReader(responseStream))
{
uint responseCode = responseReader.ReadUInt32();
if (responseCode != 0xd0e8075c)
{
throw new InvalidOperationException($"invalid response code: {responseCode}");
}
if (responseCode == 0x79cb045d)
{
// server_DH_params_fail
throw new InvalidOperationException("server_DH_params_fail: TODO");
}
byte[] nonceFromServer = responseReader.ReadBytes(16);
if (responseCode != 0xd0e8075c)
{
throw new InvalidOperationException($"invalid response code: {responseCode}");
}
// TODO:!
/*
byte[] nonceFromServer = responseReader.ReadBytes(16);
// TODO:!
/*
if (!nonceFromServer.SequenceEqual(nonce))
{
logger.debug("invalid nonce from server");
@ -115,10 +115,10 @@ namespace TLSharp.Core.Auth
*/
byte[] serverNonceFromServer = responseReader.ReadBytes(16);
byte[] serverNonceFromServer = responseReader.ReadBytes(16);
// TODO: !
/*
// TODO: !
/*
if (!serverNonceFromServer.SequenceEqual(serverNonce))
{
logger.error("invalid server nonce from server");
@ -126,17 +126,17 @@ namespace TLSharp.Core.Auth
}
*/
encryptedAnswer = Serializers.Bytes.read(responseReader);
encryptedAnswer = Serializers.Bytes.read(responseReader);
return new Step2_Response()
{
EncryptedAnswer = encryptedAnswer,
ServerNonce = serverNonceFromServer,
Nonce = nonceFromServer,
NewNonce = newNonce
};
}
}
}
}
return new Step2_Response()
{
EncryptedAnswer = encryptedAnswer,
ServerNonce = serverNonceFromServer,
Nonce = nonceFromServer,
NewNonce = newNonce
};
}
}
}
}
}

300
TLSharp.Core/Auth/Step3_CompleteDHExchange.cs
View file

@ -7,146 +7,146 @@ using TLSharp.Core.MTProto.Crypto;
namespace TLSharp.Core.Auth
{
public class Step3_Response
{
public AuthKey AuthKey { get; set; }
public int TimeOffset { get; set; }
public class Step3_Response
{
public AuthKey AuthKey { get; set; }
public int TimeOffset { get; set; }
}
}
public class Step3_CompleteDHExchange
{
private BigInteger _gab;
private byte[] newNonce;
private int timeOffset;
public class Step3_CompleteDHExchange
{
private BigInteger _gab;
private byte[] newNonce;
private int timeOffset;
public byte[] ToBytes(byte[] nonce, byte[] serverNonce, byte[] newNonce, byte[] encryptedAnswer)
{
this.newNonce = newNonce;
AESKeyData key = AES.GenerateKeyDataFromNonces(serverNonce, newNonce);
byte[] plaintextAnswer = AES.DecryptAES(key, encryptedAnswer);
public byte[] ToBytes(byte[] nonce, byte[] serverNonce, byte[] newNonce, byte[] encryptedAnswer)
{
this.newNonce = newNonce;
AESKeyData key = AES.GenerateKeyDataFromNonces(serverNonce, newNonce);
byte[] plaintextAnswer = AES.DecryptAES(key, encryptedAnswer);
// logger.debug("plaintext answer: {0}", BitConverter.ToString(plaintextAnswer));
// logger.debug("plaintext answer: {0}", BitConverter.ToString(plaintextAnswer));
int g;
BigInteger dhPrime;
BigInteger ga;
int g;
BigInteger dhPrime;
BigInteger ga;
using (MemoryStream dhInnerData = new MemoryStream(plaintextAnswer))
{
using (BinaryReader dhInnerDataReader = new BinaryReader(dhInnerData))
{
byte[] hashsum = dhInnerDataReader.ReadBytes(20);
uint code = dhInnerDataReader.ReadUInt32();
if (code != 0xb5890dba)
{
throw new InvalidOperationException($"invalid dh_inner_data code: {code}");
}
using (MemoryStream dhInnerData = new MemoryStream(plaintextAnswer))
{
using (BinaryReader dhInnerDataReader = new BinaryReader(dhInnerData))
{
byte[] hashsum = dhInnerDataReader.ReadBytes(20);
uint code = dhInnerDataReader.ReadUInt32();
if (code != 0xb5890dba)
{
throw new InvalidOperationException($"invalid dh_inner_data code: {code}");
}
// logger.debug("valid code");
// logger.debug("valid code");
byte[] nonceFromServer1 = dhInnerDataReader.ReadBytes(16);
if (!nonceFromServer1.SequenceEqual(nonce))
{
throw new InvalidOperationException("invalid nonce in encrypted answer");
}
byte[] nonceFromServer1 = dhInnerDataReader.ReadBytes(16);
if (!nonceFromServer1.SequenceEqual(nonce))
{
throw new InvalidOperationException("invalid nonce in encrypted answer");
}
// logger.debug("valid nonce");
// logger.debug("valid nonce");
byte[] serverNonceFromServer1 = dhInnerDataReader.ReadBytes(16);
if (!serverNonceFromServer1.SequenceEqual(serverNonce))
{
throw new InvalidOperationException("invalid server nonce in encrypted answer");
}
byte[] serverNonceFromServer1 = dhInnerDataReader.ReadBytes(16);
if (!serverNonceFromServer1.SequenceEqual(serverNonce))
{
throw new InvalidOperationException("invalid server nonce in encrypted answer");
}
// logger.debug("valid server nonce");
// logger.debug("valid server nonce");
g = dhInnerDataReader.ReadInt32();
dhPrime = new BigInteger(1, Serializers.Bytes.read(dhInnerDataReader));
ga = new BigInteger(1, Serializers.Bytes.read(dhInnerDataReader));
g = dhInnerDataReader.ReadInt32();
dhPrime = new BigInteger(1, Serializers.Bytes.read(dhInnerDataReader));
ga = new BigInteger(1, Serializers.Bytes.read(dhInnerDataReader));
int serverTime = dhInnerDataReader.ReadInt32();
timeOffset = serverTime - (int)(Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds) / 1000);
int serverTime = dhInnerDataReader.ReadInt32();
timeOffset = serverTime - (int)(Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds) / 1000);
// logger.debug("g: {0}, dhprime: {1}, ga: {2}", g, dhPrime, ga);
}
}
// logger.debug("g: {0}, dhprime: {1}, ga: {2}", g, dhPrime, ga);
}
}
BigInteger b = new BigInteger(2048, new Random());
BigInteger gb = BigInteger.ValueOf(g).ModPow(b, dhPrime);
_gab = ga.ModPow(b, dhPrime);
BigInteger b = new BigInteger(2048, new Random());
BigInteger gb = BigInteger.ValueOf(g).ModPow(b, dhPrime);
_gab = ga.ModPow(b, dhPrime);
// logger.debug("gab: {0}", gab);
// logger.debug("gab: {0}", gab);
// prepare client dh inner data
byte[] clientDHInnerDataBytes;
using (MemoryStream clientDhInnerData = new MemoryStream())
{
using (BinaryWriter clientDhInnerDataWriter = new BinaryWriter(clientDhInnerData))
{
clientDhInnerDataWriter.Write(0x6643b654); // client_dh_inner_data
clientDhInnerDataWriter.Write(nonce);
clientDhInnerDataWriter.Write(serverNonce);
clientDhInnerDataWriter.Write((long)0); // TODO: retry_id
Serializers.Bytes.write(clientDhInnerDataWriter, gb.ToByteArrayUnsigned());
// prepare client dh inner data
byte[] clientDHInnerDataBytes;
using (MemoryStream clientDhInnerData = new MemoryStream())
{
using (BinaryWriter clientDhInnerDataWriter = new BinaryWriter(clientDhInnerData))
{
clientDhInnerDataWriter.Write(0x6643b654); // client_dh_inner_data
clientDhInnerDataWriter.Write(nonce);
clientDhInnerDataWriter.Write(serverNonce);
clientDhInnerDataWriter.Write((long)0); // TODO: retry_id
Serializers.Bytes.write(clientDhInnerDataWriter, gb.ToByteArrayUnsigned());
using (MemoryStream clientDhInnerDataWithHash = new MemoryStream())
{
using (BinaryWriter clientDhInnerDataWithHashWriter = new BinaryWriter(clientDhInnerDataWithHash))
{
using (SHA1 sha1 = new SHA1Managed())
{
clientDhInnerDataWithHashWriter.Write(sha1.ComputeHash(clientDhInnerData.GetBuffer(), 0, (int)clientDhInnerData.Position));
clientDhInnerDataWithHashWriter.Write(clientDhInnerData.GetBuffer(), 0, (int)clientDhInnerData.Position);
clientDHInnerDataBytes = clientDhInnerDataWithHash.ToArray();
}
}
}
}
}
using (MemoryStream clientDhInnerDataWithHash = new MemoryStream())
{
using (BinaryWriter clientDhInnerDataWithHashWriter = new BinaryWriter(clientDhInnerDataWithHash))
{
using (SHA1 sha1 = new SHA1Managed())
{
clientDhInnerDataWithHashWriter.Write(sha1.ComputeHash(clientDhInnerData.GetBuffer(), 0, (int)clientDhInnerData.Position));
clientDhInnerDataWithHashWriter.Write(clientDhInnerData.GetBuffer(), 0, (int)clientDhInnerData.Position);
clientDHInnerDataBytes = clientDhInnerDataWithHash.ToArray();
}
}
}
}
}
// logger.debug("client dh inner data papared len {0}: {1}", clientDHInnerDataBytes.Length, BitConverter.ToString(clientDHInnerDataBytes).Replace("-", ""));
// logger.debug("client dh inner data papared len {0}: {1}", clientDHInnerDataBytes.Length, BitConverter.ToString(clientDHInnerDataBytes).Replace("-", ""));
// encryption
byte[] clientDhInnerDataEncryptedBytes = AES.EncryptAES(key, clientDHInnerDataBytes);
// encryption
byte[] clientDhInnerDataEncryptedBytes = AES.EncryptAES(key, clientDHInnerDataBytes);
// logger.debug("inner data encrypted {0}: {1}", clientDhInnerDataEncryptedBytes.Length, BitConverter.ToString(clientDhInnerDataEncryptedBytes).Replace("-", ""));
// logger.debug("inner data encrypted {0}: {1}", clientDhInnerDataEncryptedBytes.Length, BitConverter.ToString(clientDhInnerDataEncryptedBytes).Replace("-", ""));
// prepare set_client_dh_params
byte[] setclientDhParamsBytes;
using (MemoryStream setClientDhParams = new MemoryStream())
{
using (BinaryWriter setClientDhParamsWriter = new BinaryWriter(setClientDhParams))
{
setClientDhParamsWriter.Write(0xf5045f1f);
setClientDhParamsWriter.Write(nonce);
setClientDhParamsWriter.Write(serverNonce);
Serializers.Bytes.write(setClientDhParamsWriter, clientDhInnerDataEncryptedBytes);
// prepare set_client_dh_params
byte[] setclientDhParamsBytes;
using (MemoryStream setClientDhParams = new MemoryStream())
{
using (BinaryWriter setClientDhParamsWriter = new BinaryWriter(setClientDhParams))
{
setClientDhParamsWriter.Write(0xf5045f1f);
setClientDhParamsWriter.Write(nonce);
setClientDhParamsWriter.Write(serverNonce);
Serializers.Bytes.write(setClientDhParamsWriter, clientDhInnerDataEncryptedBytes);
setclientDhParamsBytes = setClientDhParams.ToArray();
}
}
setclientDhParamsBytes = setClientDhParams.ToArray();
}
}
// logger.debug("set client dh params prepared: {0}", BitConverter.ToString(setclientDhParamsBytes));
// logger.debug("set client dh params prepared: {0}", BitConverter.ToString(setclientDhParamsBytes));
return setclientDhParamsBytes;
}
return setclientDhParamsBytes;
}
public Step3_Response FromBytes(byte[] response)
{
using (MemoryStream responseStream = new MemoryStream(response))
{
using (BinaryReader responseReader = new BinaryReader(responseStream))
{
uint code = responseReader.ReadUInt32();
if (code == 0x3bcbf734)
{ // dh_gen_ok
//logger.debug("dh_gen_ok");
public Step3_Response FromBytes(byte[] response)
{
using (MemoryStream responseStream = new MemoryStream(response))
{
using (BinaryReader responseReader = new BinaryReader(responseStream))
{
uint code = responseReader.ReadUInt32();
if (code == 0x3bcbf734)
{ // dh_gen_ok
//logger.debug("dh_gen_ok");
byte[] nonceFromServer = responseReader.ReadBytes(16);
// TODO
/*
byte[] nonceFromServer = responseReader.ReadBytes(16);
// TODO
/*
if (!nonceFromServer.SequenceEqual(nonce))
{
logger.error("invalid nonce");
@ -154,11 +154,11 @@ namespace TLSharp.Core.Auth
}
*/
byte[] serverNonceFromServer = responseReader.ReadBytes(16);
byte[] serverNonceFromServer = responseReader.ReadBytes(16);
// TODO:
// TODO:
/*
/*
if (!serverNonceFromServer.SequenceEqual(serverNonce))
{
logger.error("invalid server nonce");
@ -166,44 +166,44 @@ namespace TLSharp.Core.Auth
}
*/
byte[] newNonceHash1 = responseReader.ReadBytes(16);
//logger.debug("new nonce hash 1: {0}", BitConverter.ToString(newNonceHash1));
byte[] newNonceHash1 = responseReader.ReadBytes(16);
//logger.debug("new nonce hash 1: {0}", BitConverter.ToString(newNonceHash1));
AuthKey authKey = new AuthKey(_gab);
AuthKey authKey = new AuthKey(_gab);
byte[] newNonceHashCalculated = authKey.CalcNewNonceHash(newNonce, 1);
byte[] newNonceHashCalculated = authKey.CalcNewNonceHash(newNonce, 1);
if (!newNonceHash1.SequenceEqual(newNonceHashCalculated))
{
throw new InvalidOperationException("invalid new nonce hash");
}
if (!newNonceHash1.SequenceEqual(newNonceHashCalculated))
{
throw new InvalidOperationException("invalid new nonce hash");
}
//logger.info("generated new auth key: {0}", gab);
//logger.info("saving time offset: {0}", timeOffset);
//TelegramSession.Instance.TimeOffset = timeOffset;
//logger.info("generated new auth key: {0}", gab);
//logger.info("saving time offset: {0}", timeOffset);
//TelegramSession.Instance.TimeOffset = timeOffset;
return new Step3_Response()
{
AuthKey = authKey,
TimeOffset = timeOffset
};
}
else if (code == 0x46dc1fb9)
{ // dh_gen_retry
throw new NotImplementedException("dh_gen_retry");
}
else if (code == 0xa69dae02)
{
// dh_gen_fail
throw new NotImplementedException("dh_gen_fail");
}
else
{
throw new InvalidOperationException($"dh_gen unknown: {code}");
}
}
}
}
}
return new Step3_Response()
{
AuthKey = authKey,
TimeOffset = timeOffset
};
}
else if (code == 0x46dc1fb9)
{ // dh_gen_retry
throw new NotImplementedException("dh_gen_retry");
}
else if (code == 0xa69dae02)
{
// dh_gen_fail
throw new NotImplementedException("dh_gen_fail");
}
else
{
throw new InvalidOperationException($"dh_gen unknown: {code}");
}
}
}
}
}
}

427
TLSharp.Core/MTProto/Crypto/AES.cs
View file

@ -4,58 +4,34 @@ using System.Security.Cryptography;
namespace TLSharp.Core.MTProto.Crypto
{
public class AESKeyData {
public class AESKeyData
{
private readonly byte[] key;
private readonly byte[] iv;
public AESKeyData(byte[] key, byte[] iv) {
public AESKeyData(byte[] key, byte[] iv)
{
this.key = key;
this.iv = iv;
}
public byte[] Key {
public byte[] Key
{
get { return key; }
}
public byte[] Iv {
public byte[] Iv
{
get { return iv; }
}
}
public class AES {
public static byte[] DecryptWithNonces(byte[] data, byte[] serverNonce, byte[] newNonce) {
using(SHA1 hash = new SHA1Managed()) {
var nonces = new byte[48];
newNonce.CopyTo(nonces, 0);
serverNonce.CopyTo(nonces, 32);
byte[] hash1 = hash.ComputeHash(nonces);
serverNonce.CopyTo(nonces, 0);
newNonce.CopyTo(nonces, 16);
byte[] hash2 = hash.ComputeHash(nonces);
nonces = new byte[64];
newNonce.CopyTo(nonces, 0);
newNonce.CopyTo(nonces, 32);
byte[] hash3 = hash.ComputeHash(nonces);
using(var keyBuffer = new MemoryStream(32))
using(var ivBuffer = new MemoryStream(32)) {
keyBuffer.Write(hash1, 0, hash1.Length);
keyBuffer.Write(hash2, 0, 12);
ivBuffer.Write(hash2, 12, 8);
ivBuffer.Write(hash3, 0, hash3.Length);
ivBuffer.Write(newNonce, 0, 4);
return DecryptIGE(data, keyBuffer.ToArray(), ivBuffer.ToArray());
}
}
}
public static AESKeyData GenerateKeyDataFromNonces(byte[] serverNonce, byte[] newNonce) {
using (SHA1 hash = new SHA1Managed()) {
public class AES
{
public static byte[] DecryptWithNonces(byte[] data, byte[] serverNonce, byte[] newNonce)
{
using (SHA1 hash = new SHA1Managed())
{
var nonces = new byte[48];
newNonce.CopyTo(nonces, 0);
@ -72,7 +48,42 @@ namespace TLSharp.Core.MTProto.Crypto
byte[] hash3 = hash.ComputeHash(nonces);
using (var keyBuffer = new MemoryStream(32))
using (var ivBuffer = new MemoryStream(32)) {
using (var ivBuffer = new MemoryStream(32))
{
keyBuffer.Write(hash1, 0, hash1.Length);
keyBuffer.Write(hash2, 0, 12);
ivBuffer.Write(hash2, 12, 8);
ivBuffer.Write(hash3, 0, hash3.Length);
ivBuffer.Write(newNonce, 0, 4);
return DecryptIGE(data, keyBuffer.ToArray(), ivBuffer.ToArray());
}
}
}
public static AESKeyData GenerateKeyDataFromNonces(byte[] serverNonce, byte[] newNonce)
{
using (SHA1 hash = new SHA1Managed())
{
var nonces = new byte[48];
newNonce.CopyTo(nonces, 0);
serverNonce.CopyTo(nonces, 32);
byte[] hash1 = hash.ComputeHash(nonces);
serverNonce.CopyTo(nonces, 0);
newNonce.CopyTo(nonces, 16);
byte[] hash2 = hash.ComputeHash(nonces);
nonces = new byte[64];
newNonce.CopyTo(nonces, 0);
newNonce.CopyTo(nonces, 32);
byte[] hash3 = hash.ComputeHash(nonces);
using (var keyBuffer = new MemoryStream(32))
using (var ivBuffer = new MemoryStream(32))
{
keyBuffer.Write(hash1, 0, hash1.Length);
keyBuffer.Write(hash2, 0, 12);
@ -85,17 +96,20 @@ namespace TLSharp.Core.MTProto.Crypto
}
}
public static byte[] DecryptAES(AESKeyData key, byte[] ciphertext) {
public static byte[] DecryptAES(AESKeyData key, byte[] ciphertext)
{
return DecryptIGE(ciphertext, key.Key, key.Iv);
}
public static byte[] EncryptAES(AESKeyData key, byte[] plaintext) {
public static byte[] EncryptAES(AESKeyData key, byte[] plaintext)
{
return EncryptIGE(plaintext, key.Key, key.Iv);
}
public static byte[] DecryptIGE(byte[] ciphertext, byte[] key, byte[] iv) {
var iv1 = new byte[iv.Length/2];
var iv2 = new byte[iv.Length/2];
public static byte[] DecryptIGE(byte[] ciphertext, byte[] key, byte[] iv)
{
var iv1 = new byte[iv.Length / 2];
var iv2 = new byte[iv.Length / 2];
Array.Copy(iv, 0, iv1, 0, iv1.Length);
Array.Copy(iv, iv1.Length, iv2, 0, iv2.Length);
@ -104,18 +118,21 @@ namespace TLSharp.Core.MTProto.Crypto
aes.Init(false, key);
byte[] plaintext = new byte[ciphertext.Length];
int blocksCount = ciphertext.Length/16;
int blocksCount = ciphertext.Length / 16;
byte[] ciphertextBlock = new byte[16];
byte[] plaintextBlock = new byte[16];
for(int blockIndex = 0; blockIndex < blocksCount; blockIndex++) {
for(int i = 0; i < 16; i++) {
ciphertextBlock[i] = (byte) (ciphertext[blockIndex*16 + i] ^ iv2[i]);
for (int blockIndex = 0; blockIndex < blocksCount; blockIndex++)
{
for (int i = 0; i < 16; i++)
{
ciphertextBlock[i] = (byte)(ciphertext[blockIndex * 16 + i] ^ iv2[i]);
}
aes.ProcessBlock(ciphertextBlock, 0, plaintextBlock, 0);
for(int i = 0; i < 16; i++) {
for (int i = 0; i < 16; i++)
{
plaintextBlock[i] ^= iv1[i];
}
@ -128,22 +145,25 @@ namespace TLSharp.Core.MTProto.Crypto
return plaintext;
}
public static byte[] EncryptIGE(byte[] originPlaintext, byte[] key, byte[] iv) {
public static byte[] EncryptIGE(byte[] originPlaintext, byte[] key, byte[] iv)
{
byte[] plaintext;
using (MemoryStream plaintextBuffer = new MemoryStream(originPlaintext.Length + 40)) {
//using(SHA1 hash = new SHA1Managed()) {
using (MemoryStream plaintextBuffer = new MemoryStream(originPlaintext.Length + 40))
{
//using(SHA1 hash = new SHA1Managed()) {
//byte[] hashsum = hash.ComputeHash(originPlaintext);
//plaintextBuffer.Write(hashsum, 0, hashsum.Length);
plaintextBuffer.Write(originPlaintext, 0, originPlaintext.Length);
while(plaintextBuffer.Position%16 != 0) {
while (plaintextBuffer.Position % 16 != 0)
{
plaintextBuffer.WriteByte(0); // TODO: random padding
}
plaintext = plaintextBuffer.ToArray();
}
var iv1 = new byte[iv.Length/2];
var iv2 = new byte[iv.Length/2];
var iv1 = new byte[iv.Length / 2];
var iv2 = new byte[iv.Length / 2];
Array.Copy(iv, 0, iv1, 0, iv1.Length);
Array.Copy(iv, iv1.Length, iv2, 0, iv2.Length);
@ -151,18 +171,20 @@ namespace TLSharp.Core.MTProto.Crypto
AesEngine aes = new AesEngine();
aes.Init(true, key);
int blocksCount = plaintext.Length/16;
int blocksCount = plaintext.Length / 16;
byte[] ciphertext = new byte[plaintext.Length];
byte[] ciphertextBlock = new byte[16];
byte[] plaintextBlock = new byte[16];
for(int blockIndex = 0; blockIndex < blocksCount; blockIndex++) {
Array.Copy(plaintext, 16*blockIndex, plaintextBlock, 0, 16);
for (int blockIndex = 0; blockIndex < blocksCount; blockIndex++)
{
Array.Copy(plaintext, 16 * blockIndex, plaintextBlock, 0, 16);
//logger.info("plaintext block: {0} xor {1}", BitConverter.ToString(plaintextBlock).Replace("-", ""), BitConverter.ToString(iv1).Replace("-", ""));
for(int i = 0; i < 16; i++) {
plaintextBlock[i] ^= iv1[i];
for (int i = 0; i < 16; i++)
{
plaintextBlock[i] ^= iv1[i];
}
//logger.info("xored plaintext: {0}", BitConverter.ToString(plaintextBlock).Replace("-", ""));
@ -171,14 +193,15 @@ namespace TLSharp.Core.MTProto.Crypto
//logger.info("encrypted plaintext: {0} xor {1}", BitConverter.ToString(ciphertextBlock).Replace("-", ""), BitConverter.ToString(iv2).Replace("-", ""));
for(int i = 0; i < 16; i++) {
for (int i = 0; i < 16; i++)
{
ciphertextBlock[i] ^= iv2[i];
}
//logger.info("xored ciphertext: {0}", BitConverter.ToString(ciphertextBlock).Replace("-", ""));
Array.Copy(ciphertextBlock, 0, iv1, 0, 16);
Array.Copy(plaintext, 16*blockIndex, iv2, 0, 16);
Array.Copy(plaintext, 16 * blockIndex, iv2, 0, 16);
Array.Copy(ciphertextBlock, 0, ciphertext, blockIndex * 16, 16);
}
@ -186,10 +209,11 @@ namespace TLSharp.Core.MTProto.Crypto
return ciphertext;
}
public static byte[] XOR(byte[] buffer1, byte[] buffer2) {
public static byte[] XOR(byte[] buffer1, byte[] buffer2)
{
var result = new byte[buffer1.Length];
for(int i = 0; i < buffer1.Length; i++)
result[i] = (byte) (buffer1[i] ^ buffer2[i]);
for (int i = 0; i < buffer1.Length; i++)
result[i] = (byte)(buffer1[i] ^ buffer2[i]);
return result;
}
@ -199,7 +223,8 @@ namespace TLSharp.Core.MTProto.Crypto
// AES engine implementation
public class AesEngine {
public class AesEngine
{
// The S box
private const uint m1 = 0x80808080;
private const uint m2 = 0x7f7f7f7f;
@ -399,23 +424,27 @@ namespace TLSharp.Core.MTProto.Crypto
private uint[,] WorkingKey;
private bool forEncryption;
public string AlgorithmName {
public string AlgorithmName
{
get { return "AES"; }
}
public bool IsPartialBlockOkay {
public bool IsPartialBlockOkay
{
get { return false; }
}
private uint Shift(
uint r,
int shift) {
int shift)
{
return (r >> shift) | (r << (32 - shift));
}
private uint FFmulX(
uint x) {
return ((x & m2) << 1) ^ (((x & m1) >> 7)*m3);
uint x)
{
return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3);
}
/*
@ -429,7 +458,8 @@ namespace TLSharp.Core.MTProto.Crypto
*/
private uint Inv_Mcol(
uint x) {
uint x)
{
uint f2 = FFmulX(x);
uint f4 = FFmulX(f2);
uint f8 = FFmulX(f4);
@ -439,11 +469,12 @@ namespace TLSharp.Core.MTProto.Crypto
}
private uint SubWord(
uint x) {
uint x)
{
return S[x & 255]
| (((uint) S[(x >> 8) & 255]) << 8)
| (((uint) S[(x >> 16) & 255]) << 16)
| (((uint) S[(x >> 24) & 255]) << 24);
| (((uint)S[(x >> 8) & 255]) << 8)
| (((uint)S[(x >> 16) & 255]) << 16)
| (((uint)S[(x >> 24) & 255]) << 24);
}
/**
@ -455,11 +486,12 @@ namespace TLSharp.Core.MTProto.Crypto
private uint[,] GenerateWorkingKey(
byte[] key,
bool forEncryption) {
int KC = key.Length/4; // key length in words
bool forEncryption)
{
int KC = key.Length / 4; // key length in words
int t;
if((KC != 4) && (KC != 6) && (KC != 8))
if ((KC != 4) && (KC != 6) && (KC != 8))
throw new ArgumentException("Key length not 128/192/256 bits.");
ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes
@ -470,7 +502,8 @@ namespace TLSharp.Core.MTProto.Crypto
//
t = 0;
for(int i = 0; i < key.Length; t++) {
for (int i = 0; i < key.Length; t++)
{
W[t >> 2, t & 3] = Pack.LE_To_UInt32(key, i);
i += 4;
}
@ -480,20 +513,27 @@ namespace TLSharp.Core.MTProto.Crypto
// calculate new values
//
int k = (ROUNDS + 1) << 2;
for(int i = KC; (i < k); i++) {
for (int i = KC; (i < k); i++)
{
uint temp = W[(i - 1) >> 2, (i - 1) & 3];
if((i%KC) == 0) {
temp = SubWord(Shift(temp, 8)) ^ rcon[(i/KC) - 1];
} else if((KC > 6) && ((i%KC) == 4)) {
if ((i % KC) == 0)
{
temp = SubWord(Shift(temp, 8)) ^ rcon[(i / KC) - 1];
}
else if ((KC > 6) && ((i % KC) == 4))
{
temp = SubWord(temp);
}
W[i >> 2, i & 3] = W[(i - KC) >> 2, (i - KC) & 3] ^ temp;
}
if(!forEncryption) {
for(int j = 1; j < ROUNDS; j++) {
for(int i = 0; i < 4; i++) {
if (!forEncryption)
{
for (int j = 1; j < ROUNDS; j++)
{
for (int i = 0; i < 4; i++)
{
W[j, i] = Inv_Mcol(W[j, i]);
}
}
@ -502,33 +542,41 @@ namespace TLSharp.Core.MTProto.Crypto
return W;
}
public void Init(bool forEncryption, byte[] key) {
public void Init(bool forEncryption, byte[] key)
{
WorkingKey = GenerateWorkingKey(key, forEncryption);
this.forEncryption = forEncryption;
}
public int GetBlockSize() {
public int GetBlockSize()
{
return BLOCK_SIZE;
}
public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff) {
if(WorkingKey == null) {
public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
{
if (WorkingKey == null)
{
throw new InvalidOperationException("AES engine not initialised");
}
if((inOff + (32/2)) > input.Length) {
if ((inOff + (32 / 2)) > input.Length)
{
throw new InvalidOperationException("input buffer too short");
}
if((outOff + (32/2)) > output.Length) {
if ((outOff + (32 / 2)) > output.Length)
{
throw new InvalidOperationException("output buffer too short");
}
UnPackBlock(input, inOff);
if(forEncryption) {
if (forEncryption)
{
EncryptBlock(WorkingKey);
} else {
}
else {
DecryptBlock(WorkingKey);
}
@ -537,12 +585,14 @@ namespace TLSharp.Core.MTProto.Crypto
return BLOCK_SIZE;
}
public void Reset() {
public void Reset()
{
}
private void UnPackBlock(
byte[] bytes,
int off) {
int off)
{
C0 = Pack.LE_To_UInt32(bytes, off);
C1 = Pack.LE_To_UInt32(bytes, off + 4);
C2 = Pack.LE_To_UInt32(bytes, off + 8);
@ -551,7 +601,8 @@ namespace TLSharp.Core.MTProto.Crypto
private void PackBlock(
byte[] bytes,
int off) {
int off)
{
Pack.UInt32_To_LE(C0, bytes, off);
Pack.UInt32_To_LE(C1, bytes, off + 4);
Pack.UInt32_To_LE(C2, bytes, off + 8);
@ -559,7 +610,8 @@ namespace TLSharp.Core.MTProto.Crypto
}
private void EncryptBlock(
uint[,] KW) {
uint[,] KW)
{
uint r, r0, r1, r2, r3;
C0 ^= KW[0, 0];
@ -567,7 +619,8 @@ namespace TLSharp.Core.MTProto.Crypto
C2 ^= KW[0, 2];
C3 ^= KW[0, 3];
for(r = 1; r < ROUNDS - 1;) {
for (r = 1; r < ROUNDS - 1;)
{
r0 = T0[C0 & 255] ^ Shift(T0[(C1 >> 8) & 255], 24) ^ Shift(T0[(C2 >> 16) & 255], 16) ^
Shift(T0[(C3 >> 24) & 255], 8) ^ KW[r, 0];
r1 = T0[C1 & 255] ^ Shift(T0[(C2 >> 8) & 255], 24) ^ Shift(T0[(C3 >> 16) & 255], 16) ^
@ -597,18 +650,19 @@ namespace TLSharp.Core.MTProto.Crypto
// the final round's table is a simple function of S so we don't use a whole other four tables for it
C0 = S[r0 & 255] ^ (((uint) S[(r1 >> 8) & 255]) << 8) ^ (((uint) S[(r2 >> 16) & 255]) << 16) ^
(((uint) S[(r3 >> 24) & 255]) << 24) ^ KW[r, 0];
C1 = S[r1 & 255] ^ (((uint) S[(r2 >> 8) & 255]) << 8) ^ (((uint) S[(r3 >> 16) & 255]) << 16) ^
(((uint) S[(r0 >> 24) & 255]) << 24) ^ KW[r, 1];
C2 = S[r2 & 255] ^ (((uint) S[(r3 >> 8) & 255]) << 8) ^ (((uint) S[(r0 >> 16) & 255]) << 16) ^
(((uint) S[(r1 >> 24) & 255]) << 24) ^ KW[r, 2];
C3 = S[r3 & 255] ^ (((uint) S[(r0 >> 8) & 255]) << 8) ^ (((uint) S[(r1 >> 16) & 255]) << 16) ^
(((uint) S[(r2 >> 24) & 255]) << 24) ^ KW[r, 3];
C0 = S[r0 & 255] ^ (((uint)S[(r1 >> 8) & 255]) << 8) ^ (((uint)S[(r2 >> 16) & 255]) << 16) ^
(((uint)S[(r3 >> 24) & 255]) << 24) ^ KW[r, 0];
C1 = S[r1 & 255] ^ (((uint)S[(r2 >> 8) & 255]) << 8) ^ (((uint)S[(r3 >> 16) & 255]) << 16) ^
(((uint)S[(r0 >> 24) & 255]) << 24) ^ KW[r, 1];
C2 = S[r2 & 255] ^ (((uint)S[(r3 >> 8) & 255]) << 8) ^ (((uint)S[(r0 >> 16) & 255]) << 16) ^
(((uint)S[(r1 >> 24) & 255]) << 24) ^ KW[r, 2];
C3 = S[r3 & 255] ^ (((uint)S[(r0 >> 8) & 255]) << 8) ^ (((uint)S[(r1 >> 16) & 255]) << 16) ^
(((uint)S[(r2 >> 24) & 255]) << 24) ^ KW[r, 3];
}
private void DecryptBlock(
uint[,] KW) {
uint[,] KW)
{
int r;
uint r0, r1, r2, r3;
@ -617,7 +671,8 @@ namespace TLSharp.Core.MTProto.Crypto
C2 ^= KW[ROUNDS, 2];
C3 ^= KW[ROUNDS, 3];
for(r = ROUNDS - 1; r > 1;) {
for (r = ROUNDS - 1; r > 1;)
{
r0 = Tinv0[C0 & 255] ^ Shift(Tinv0[(C3 >> 8) & 255], 24) ^ Shift(Tinv0[(C2 >> 16) & 255], 16) ^
Shift(Tinv0[(C1 >> 24) & 255], 8) ^ KW[r, 0];
r1 = Tinv0[C1 & 255] ^ Shift(Tinv0[(C0 >> 8) & 255], 24) ^ Shift(Tinv0[(C3 >> 16) & 255], 16) ^
@ -647,124 +702,142 @@ namespace TLSharp.Core.MTProto.Crypto
// the final round's table is a simple function of Si so we don't use a whole other four tables for it
C0 = Si[r0 & 255] ^ (((uint) Si[(r3 >> 8) & 255]) << 8) ^ (((uint) Si[(r2 >> 16) & 255]) << 16) ^
(((uint) Si[(r1 >> 24) & 255]) << 24) ^ KW[0, 0];
C1 = Si[r1 & 255] ^ (((uint) Si[(r0 >> 8) & 255]) << 8) ^ (((uint) Si[(r3 >> 16) & 255]) << 16) ^
(((uint) Si[(r2 >> 24) & 255]) << 24) ^ KW[0, 1];
C2 = Si[r2 & 255] ^ (((uint) Si[(r1 >> 8) & 255]) << 8) ^ (((uint) Si[(r0 >> 16) & 255]) << 16) ^
(((uint) Si[(r3 >> 24) & 255]) << 24) ^ KW[0, 2];
C3 = Si[r3 & 255] ^ (((uint) Si[(r2 >> 8) & 255]) << 8) ^ (((uint) Si[(r1 >> 16) & 255]) << 16) ^
(((uint) Si[(r0 >> 24) & 255]) << 24) ^ KW[0, 3];
C0 = Si[r0 & 255] ^ (((uint)Si[(r3 >> 8) & 255]) << 8) ^ (((uint)Si[(r2 >> 16) & 255]) << 16) ^
(((uint)Si[(r1 >> 24) & 255]) << 24) ^ KW[0, 0];
C1 = Si[r1 & 255] ^ (((uint)Si[(r0 >> 8) & 255]) << 8) ^ (((uint)Si[(r3 >> 16) & 255]) << 16) ^
(((uint)Si[(r2 >> 24) & 255]) << 24) ^ KW[0, 1];
C2 = Si[r2 & 255] ^ (((uint)Si[(r1 >> 8) & 255]) << 8) ^ (((uint)Si[(r0 >> 16) & 255]) << 16) ^
(((uint)Si[(r3 >> 24) & 255]) << 24) ^ KW[0, 2];
C3 = Si[r3 & 255] ^ (((uint)Si[(r2 >> 8) & 255]) << 8) ^ (((uint)Si[(r1 >> 16) & 255]) << 16) ^
(((uint)Si[(r0 >> 24) & 255]) << 24) ^ KW[0, 3];
}
}
internal sealed class Pack {
private Pack() {
internal sealed class Pack
{
private Pack()
{
}
internal static void UInt32_To_BE(uint n, byte[] bs) {
bs[0] = (byte) (n >> 24);
bs[1] = (byte) (n >> 16);
bs[2] = (byte) (n >> 8);
bs[3] = (byte) (n);
internal static void UInt32_To_BE(uint n, byte[] bs)
{
bs[0] = (byte)(n >> 24);
bs[1] = (byte)(n >> 16);
bs[2] = (byte)(n >> 8);
bs[3] = (byte)(n);
}
internal static void UInt32_To_BE(uint n, byte[] bs, int off) {
bs[off] = (byte) (n >> 24);
bs[++off] = (byte) (n >> 16);
bs[++off] = (byte) (n >> 8);
bs[++off] = (byte) (n);
internal static void UInt32_To_BE(uint n, byte[] bs, int off)
{
bs[off] = (byte)(n >> 24);
bs[++off] = (byte)(n >> 16);
bs[++off] = (byte)(n >> 8);
bs[++off] = (byte)(n);
}
internal static uint BE_To_UInt32(byte[] bs) {
uint n = (uint) bs[0] << 24;
n |= (uint) bs[1] << 16;
n |= (uint) bs[2] << 8;
internal static uint BE_To_UInt32(byte[] bs)
{
uint n = (uint)bs[0] << 24;
n |= (uint)bs[1] << 16;
n |= (uint)bs[2] << 8;
n |= bs[3];
return n;
}
internal static uint BE_To_UInt32(byte[] bs, int off) {
uint n = (uint) bs[off] << 24;
n |= (uint) bs[++off] << 16;
n |= (uint) bs[++off] << 8;
internal static uint BE_To_UInt32(byte[] bs, int off)
{
uint n = (uint)bs[off] << 24;
n |= (uint)bs[++off] << 16;
n |= (uint)bs[++off] << 8;
n |= bs[++off];
return n;
}
internal static ulong BE_To_UInt64(byte[] bs) {
internal static ulong BE_To_UInt64(byte[] bs)
{
uint hi = BE_To_UInt32(bs);
uint lo = BE_To_UInt32(bs, 4);
return ((ulong) hi << 32) | lo;
return ((ulong)hi << 32) | lo;
}
internal static ulong BE_To_UInt64(byte[] bs, int off) {
internal static ulong BE_To_UInt64(byte[] bs, int off)
{
uint hi = BE_To_UInt32(bs, off);
uint lo = BE_To_UInt32(bs, off + 4);
return ((ulong) hi << 32) | lo;
return ((ulong)hi << 32) | lo;
}
internal static void UInt64_To_BE(ulong n, byte[] bs) {
UInt32_To_BE((uint) (n >> 32), bs);
UInt32_To_BE((uint) (n), bs, 4);
internal static void UInt64_To_BE(ulong n, byte[] bs)
{
UInt32_To_BE((uint)(n >> 32), bs);
UInt32_To_BE((uint)(n), bs, 4);
}
internal static void UInt64_To_BE(ulong n, byte[] bs, int off) {
UInt32_To_BE((uint) (n >> 32), bs, off);
UInt32_To_BE((uint) (n), bs, off + 4);
internal static void UInt64_To_BE(ulong n, byte[] bs, int off)
{
UInt32_To_BE((uint)(n >> 32), bs, off);
UInt32_To_BE((uint)(n), bs, off + 4);
}
internal static void UInt32_To_LE(uint n, byte[] bs) {
bs[0] = (byte) (n);
bs[1] = (byte) (n >> 8);
bs[2] = (byte) (n >> 16);
bs[3] = (byte) (n >> 24);
internal static void UInt32_To_LE(uint n, byte[] bs)
{
bs[0] = (byte)(n);
bs[1] = (byte)(n >> 8);
bs[2] = (byte)(n >> 16);
bs[3] = (byte)(n >> 24);
}
internal static void UInt32_To_LE(uint n, byte[] bs, int off) {
bs[off] = (byte) (n);
bs[++off] = (byte) (n >> 8);
bs[++off] = (byte) (n >> 16);
bs[++off] = (byte) (n >> 24);
internal static void UInt32_To_LE(uint n, byte[] bs, int off)
{
bs[off] = (byte)(n);
bs[++off] = (byte)(n >> 8);
bs[++off] = (byte)(n >> 16);
bs[++off] = (byte)(n >> 24);
}
internal static uint LE_To_UInt32(byte[] bs) {
internal static uint LE_To_UInt32(byte[] bs)
{
uint n = bs[0];
n |= (uint) bs[1] << 8;
n |= (uint) bs[2] << 16;
n |= (uint) bs[3] << 24;
n |= (uint)bs[1] << 8;
n |= (uint)bs[2] << 16;
n |= (uint)bs[3] << 24;
return n;
}
internal static uint LE_To_UInt32(byte[] bs, int off) {
internal static uint LE_To_UInt32(byte[] bs, int off)
{
uint n = bs[off];
n |= (uint) bs[++off] << 8;
n |= (uint) bs[++off] << 16;
n |= (uint) bs[++off] << 24;
n |= (uint)bs[++off] << 8;
n |= (uint)bs[++off] << 16;
n |= (uint)bs[++off] << 24;
return n;
}
internal static ulong LE_To_UInt64(byte[] bs) {
internal static ulong LE_To_UInt64(byte[] bs)
{
uint lo = LE_To_UInt32(bs);
uint hi = LE_To_UInt32(bs, 4);
return ((ulong) hi << 32) | lo;
return ((ulong)hi << 32) | lo;
}
internal static ulong LE_To_UInt64(byte[] bs, int off) {
internal static ulong LE_To_UInt64(byte[] bs, int off)
{
uint lo = LE_To_UInt32(bs, off);
uint hi = LE_To_UInt32(bs, off + 4);
return ((ulong) hi << 32) | lo;
return ((ulong)hi << 32) | lo;
}
internal static void UInt64_To_LE(ulong n, byte[] bs) {
UInt32_To_LE((uint) (n), bs);
UInt32_To_LE((uint) (n >> 32), bs, 4);
internal static void UInt64_To_LE(ulong n, byte[] bs)
{
UInt32_To_LE((uint)(n), bs);
UInt32_To_LE((uint)(n >> 32), bs, 4);
}
internal static void UInt64_To_LE(ulong n, byte[] bs, int off) {
UInt32_To_LE((uint) (n), bs, off);
UInt32_To_LE((uint) (n >> 32), bs, off + 4);
internal static void UInt64_To_LE(ulong n, byte[] bs, int off)
{
UInt32_To_LE((uint)(n), bs, off);
UInt32_To_LE((uint)(n >> 32), bs, off + 4);
}
}
}

57
TLSharp.Core/MTProto/Crypto/AuthKey.cs
View file

@ -2,16 +2,22 @@
using System.IO;
using System.Security.Cryptography;
namespace TLSharp.Core.MTProto.Crypto {
public class AuthKey {
namespace TLSharp.Core.MTProto.Crypto
{
public class AuthKey
{
private byte[] key;
private ulong keyId;
private ulong auxHash;
public AuthKey(BigInteger gab) {
public AuthKey(BigInteger gab)
{
key = gab.ToByteArrayUnsigned();
using(SHA1 hash = new SHA1Managed()) {
using(MemoryStream hashStream = new MemoryStream(hash.ComputeHash(key), false)) {
using(BinaryReader hashReader = new BinaryReader(hashStream)) {
using (SHA1 hash = new SHA1Managed())
{
using (MemoryStream hashStream = new MemoryStream(hash.ComputeHash(key), false))
{
using (BinaryReader hashReader = new BinaryReader(hashStream))
{
auxHash = hashReader.ReadUInt64();
hashReader.ReadBytes(4);
keyId = hashReader.ReadUInt64();
@ -20,11 +26,15 @@ namespace TLSharp.Core.MTProto.Crypto {
}
}
public AuthKey(byte[] data) {
public AuthKey(byte[] data)
{
key = data;
using (SHA1 hash = new SHA1Managed()) {
using (MemoryStream hashStream = new MemoryStream(hash.ComputeHash(key), false)) {
using (BinaryReader hashReader = new BinaryReader(hashStream)) {
using (SHA1 hash = new SHA1Managed())
{
using (MemoryStream hashStream = new MemoryStream(hash.ComputeHash(key), false))
{
using (BinaryReader hashReader = new BinaryReader(hashStream))
{
auxHash = hashReader.ReadUInt64();
hashReader.ReadBytes(4);
keyId = hashReader.ReadUInt64();
@ -33,13 +43,17 @@ namespace TLSharp.Core.MTProto.Crypto {
}
}
public byte[] CalcNewNonceHash(byte[] newNonce, int number) {
using(MemoryStream buffer = new MemoryStream(100)) {
using(BinaryWriter bufferWriter = new BinaryWriter(buffer)) {
public byte[] CalcNewNonceHash(byte[] newNonce, int number)
{
using (MemoryStream buffer = new MemoryStream(100))
{
using (BinaryWriter bufferWriter = new BinaryWriter(buffer))
{
bufferWriter.Write(newNonce);
bufferWriter.Write((byte)number);
bufferWriter.Write(auxHash);
using(SHA1 sha1 = new SHA1Managed()) {
using (SHA1 sha1 = new SHA1Managed())
{
byte[] hash = sha1.ComputeHash(buffer.GetBuffer(), 0, (int)buffer.Position);
byte[] newNonceHash = new byte[16];
Array.Copy(hash, 4, newNonceHash, 0, 16);
@ -49,19 +63,24 @@ namespace TLSharp.Core.MTProto.Crypto {
}
}
public byte[] Data {
get {
public byte[] Data
{
get
{
return key;
}
}
public ulong Id {
get {
public ulong Id
{
get
{
return keyId;
}
}
public override string ToString() {
public override string ToString()
{
return string.Format("(Key: {0}, KeyId: {1}, AuxHash: {2})", key, keyId, auxHash);
}
}

1021
TLSharp.Core/MTProto/Crypto/BigInteger.cs
View file

File diff suppressed because it is too large Load diff

58
TLSharp.Core/MTProto/Crypto/Crc32.cs
View file

@ -6,8 +6,10 @@ using System.Text;
using System.Threading.Tasks;
using Ionic.Crc;
namespace TLSharp.Core.MTProto.Crypto {
public class Crc32 : HashAlgorithm {
namespace TLSharp.Core.MTProto.Crypto
{
public class Crc32 : HashAlgorithm
{
public const UInt32 DefaultPolynomial = 0xedb88320u;
public const UInt32 DefaultSeed = 0xffffffffu;
@ -16,23 +18,27 @@ namespace TLSharp.Core.MTProto.Crypto {
private UInt32[] table;
private static UInt32[] defaultTable;
public Crc32() {
public Crc32()
{
table = InitializeTable(DefaultPolynomial);
seed = DefaultSeed;
hash = seed;
}
public Crc32(UInt32 polynomial, UInt32 seed) {
public Crc32(UInt32 polynomial, UInt32 seed)
{
table = InitializeTable(polynomial);
this.seed = seed;
hash = seed;
}
public override void Initialize() {
public override void Initialize()
{
hash = seed;
}
protected override void HashCore(byte[] buffer, int start, int length) {
protected override void HashCore(byte[] buffer, int start, int length)
{
hash = CalculateHash(table, hash, buffer, start, length);
}
@ -40,34 +46,41 @@ namespace TLSharp.Core.MTProto.Crypto {
/// Возвращает хеш в BigEndian
/// </summary>
/// <returns></returns>
protected override byte[] HashFinal() {
protected override byte[] HashFinal()
{
byte[] hashBuffer = UInt32ToBigEndianBytes(~hash);
this.HashValue = hashBuffer;
return hashBuffer;
}
public override int HashSize {
public override int HashSize
{
get { return 32; }
}
public static UInt32 Compute(byte[] buffer) {
public static UInt32 Compute(byte[] buffer)
{
return ~CalculateHash(InitializeTable(DefaultPolynomial), DefaultSeed, buffer, 0, buffer.Length);
}
public static UInt32 Compute(UInt32 seed, byte[] buffer) {
public static UInt32 Compute(UInt32 seed, byte[] buffer)
{
return ~CalculateHash(InitializeTable(DefaultPolynomial), seed, buffer, 0, buffer.Length);
}
public static UInt32 Compute(UInt32 polynomial, UInt32 seed, byte[] buffer) {
public static UInt32 Compute(UInt32 polynomial, UInt32 seed, byte[] buffer)
{
return ~CalculateHash(InitializeTable(polynomial), seed, buffer, 0, buffer.Length);
}
private static UInt32[] InitializeTable(UInt32 polynomial) {
private static UInt32[] InitializeTable(UInt32 polynomial)
{
if (polynomial == DefaultPolynomial && defaultTable != null)
return defaultTable;
UInt32[] createTable = new UInt32[256];
for (int i = 0; i < 256; i++) {
for (int i = 0; i < 256; i++)
{
UInt32 entry = (UInt32)i;
for (int j = 0; j < 8; j++)
if ((entry & 1) == 1)
@ -83,22 +96,25 @@ namespace TLSharp.Core.MTProto.Crypto {
return createTable;
}
private static UInt32 CalculateHash(UInt32[] table, UInt32 seed, byte[] buffer, int start, int size) {
private static UInt32 CalculateHash(UInt32[] table, UInt32 seed, byte[] buffer, int start, int size)
{
UInt32 crc = seed;
for (int i = start; i < size; i++)
unchecked {
unchecked
{
crc = (crc >> 8) ^ table[buffer[i] ^ crc & 0xff];
}
return crc;
}
private byte[] UInt32ToBigEndianBytes(UInt32 x) {
private byte[] UInt32ToBigEndianBytes(UInt32 x)
{
return new byte[] {
(byte)((x >> 24) & 0xff),
(byte)((x >> 16) & 0xff),
(byte)((x >> 8) & 0xff),
(byte)(x & 0xff)
};
(byte)((x >> 24) & 0xff),
(byte)((x >> 16) & 0xff),
(byte)((x >> 8) & 0xff),
(byte)(x & 0xff)
};
}
}
}

90
TLSharp.Core/MTProto/Crypto/Factorizator.cs
View file

@ -1,55 +1,72 @@
using System;
namespace TLSharp.Core.MTProto.Crypto {
public class FactorizedPair {
namespace TLSharp.Core.MTProto.Crypto
{
public class FactorizedPair
{
private readonly BigInteger p;
private readonly BigInteger q;
public FactorizedPair(BigInteger p, BigInteger q) {
public FactorizedPair(BigInteger p, BigInteger q)
{
this.p = p;
this.q = q;
}
public FactorizedPair(long p, long q) {
public FactorizedPair(long p, long q)
{
this.p = BigInteger.ValueOf(p);
this.q = BigInteger.ValueOf(q);
}
public BigInteger Min {
get {
public BigInteger Min
{
get
{
return p.Min(q);
}
}
public BigInteger Max {
get {
public BigInteger Max
{
get
{
return p.Max(q);
}
}
public override string ToString() {
public override string ToString()
{
return string.Format("P: {0}, Q: {1}", p, q);
}
}
public class Factorizator {
public class Factorizator
{
public static Random random = new Random();
public static long findSmallMultiplierLopatin(long what) {
public static long findSmallMultiplierLopatin(long what)
{
long g = 0;
for (int i = 0; i < 3; i++) {
for (int i = 0; i < 3; i++)
{
int q = (random.Next(128) & 15) + 17;
long x = random.Next(1000000000) + 1, y = x;
int lim = 1 << (i + 18);
for (int j = 1; j < lim; j++) {
for (int j = 1; j < lim; j++)
{
long a = x, b = x, c = q;
while (b != 0) {
if ((b & 1) != 0) {
while (b != 0)
{
if ((b & 1) != 0)
{
c += a;
if (c >= what) {
if (c >= what)
{
c -= what;
}
}
a += a;
if (a >= what) {
if (a >= what)
{
a -= what;
}
b >>= 1;
@ -57,14 +74,17 @@ namespace TLSharp.Core.MTProto.Crypto {
x = c;
long z = x < y ? y - x : x - y;
g = GCD(z, what);
if (g != 1) {
if (g != 1)
{
break;
}
if ((j & (j - 1)) == 0) {
if ((j & (j - 1)) == 0)
{
y = x;
}
}
if (g > 1) {
if (g > 1)
{
break;
}
}
@ -73,15 +93,20 @@ namespace TLSharp.Core.MTProto.Crypto {
return Math.Min(p, g);
}
public static long GCD(long a, long b) {
while (a != 0 && b != 0) {
while ((b & 1) == 0) {
public static long GCD(long a, long b)
{
while (a != 0 && b != 0)
{
while ((b & 1) == 0)
{
b >>= 1;
}
while ((a & 1) == 0) {
while ((a & 1) == 0)
{
a >>= 1;
}
if (a > b) {
if (a > b)
{
a -= b;
}
else {
@ -91,16 +116,19 @@ namespace TLSharp.Core.MTProto.Crypto {
return b == 0 ? a : b;
}
public static FactorizedPair Factorize(BigInteger pq) {
if(pq.BitLength < 64) {
public static FactorizedPair Factorize(BigInteger pq)
{
if (pq.BitLength < 64)
{
long pqlong = pq.LongValue;
long divisor = findSmallMultiplierLopatin(pqlong);
return new FactorizedPair(BigInteger.ValueOf(divisor), BigInteger.ValueOf(pqlong/divisor));
} else {
return new FactorizedPair(BigInteger.ValueOf(divisor), BigInteger.ValueOf(pqlong / divisor));
}
else {
// TODO: port pollard factorization
throw new InvalidOperationException("pq too long; TODO: port the pollard algo");
// logger.error("pq too long; TODO: port the pollard algo");
// return null;
// logger.error("pq too long; TODO: port the pollard algo");
// return null;
}
}

226
TLSharp.Core/MTProto/Crypto/MD5Digest.cs
View file

@ -1,8 +1,10 @@
using System;
using System.Text;
namespace TLSharp.Core.MTProto.Crypto {
public interface IDigest {
namespace TLSharp.Core.MTProto.Crypto
{
public interface IDigest
{
/**
* return the algorithm name
*
@ -55,13 +57,16 @@ namespace TLSharp.Core.MTProto.Crypto {
void Reset();
}
public class MD5 {
public class MD5
{
public static string GetMd5String(string data) {
public static string GetMd5String(string data)
{
return BitConverter.ToString(GetMd5Bytes(Encoding.UTF8.GetBytes(data))).Replace("-", "").ToLower();
}
public static byte[] GetMd5Bytes(byte[] data) {
public static byte[] GetMd5Bytes(byte[] data)
{
MD5Digest digest = new MD5Digest();
digest.BlockUpdate(data, 0, data.Length);
byte[] hash = new byte[16];
@ -72,15 +77,18 @@ namespace TLSharp.Core.MTProto.Crypto {
private MD5Digest digest = new MD5Digest();
public void Update(byte[] chunk) {
public void Update(byte[] chunk)
{
digest.BlockUpdate(chunk, 0, chunk.Length);
}
public void Update(byte[] chunk, int offset, int limit) {
public void Update(byte[] chunk, int offset, int limit)
{
digest.BlockUpdate(chunk, offset, limit);
}
public string FinalString() {
public string FinalString()
{
byte[] hash = new byte[16];
digest.DoFinal(hash, 0);
return BitConverter.ToString(hash).Replace("-", "").ToLower();
@ -88,7 +96,8 @@ namespace TLSharp.Core.MTProto.Crypto {
}
public abstract class GeneralDigest
: IDigest {
: IDigest
{
private const int BYTE_LENGTH = 64;
private readonly byte[] xBuf;
@ -96,11 +105,13 @@ namespace TLSharp.Core.MTProto.Crypto {
private long byteCount;
private int xBufOff;
internal GeneralDigest() {
internal GeneralDigest()
{
xBuf = new byte[4];
}
internal GeneralDigest(GeneralDigest t) {
internal GeneralDigest(GeneralDigest t)
{
xBuf = new byte[t.xBuf.Length];
Array.Copy(t.xBuf, 0, xBuf, 0, t.xBuf.Length);
@ -108,10 +119,12 @@ namespace TLSharp.Core.MTProto.Crypto {
byteCount = t.byteCount;
}
public void Update(byte input) {
public void Update(byte input)
{
xBuf[xBufOff++] = input;
if (xBufOff == xBuf.Length) {
if (xBufOff == xBuf.Length)
{
ProcessWord(xBuf, 0);
xBufOff = 0;
}
@ -122,11 +135,13 @@ namespace TLSharp.Core.MTProto.Crypto {
public void BlockUpdate(
byte[] input,
int inOff,
int length) {
int length)
{
//
// fill the current word
//
while ((xBufOff != 0) && (length > 0)) {
while ((xBufOff != 0) && (length > 0))
{
Update(input[inOff]);
inOff++;
length--;
@ -135,7 +150,8 @@ namespace TLSharp.Core.MTProto.Crypto {
//
// process whole words.
//
while (length > xBuf.Length) {
while (length > xBuf.Length)
{
ProcessWord(input, inOff);
inOff += xBuf.Length;
@ -146,7 +162,8 @@ namespace TLSharp.Core.MTProto.Crypto {
//
// load in the remainder.
//
while (length > 0) {
while (length > 0)
{
Update(input[inOff]);
inOff++;
@ -154,13 +171,15 @@ namespace TLSharp.Core.MTProto.Crypto {
}
}
public virtual void Reset() {
public virtual void Reset()
{
byteCount = 0;
xBufOff = 0;
Array.Clear(xBuf, 0, xBuf.Length);
}
public int GetByteLength() {
public int GetByteLength()
{
return BYTE_LENGTH;
}
@ -168,7 +187,8 @@ namespace TLSharp.Core.MTProto.Crypto {
public abstract int GetDigestSize();
public abstract int DoFinal(byte[] output, int outOff);
public void Finish() {
public void Finish()
{
long bitLength = (byteCount << 3);
//
@ -187,7 +207,8 @@ namespace TLSharp.Core.MTProto.Crypto {
}
public class MD5Digest
: GeneralDigest {
: GeneralDigest
{
private const int DigestLength = 16;
//
@ -225,7 +246,8 @@ namespace TLSharp.Core.MTProto.Crypto {
private int H1, H2, H3, H4; // IV's
private int xOff;
public MD5Digest() {
public MD5Digest()
{
Reset();
}
@ -235,7 +257,8 @@ namespace TLSharp.Core.MTProto.Crypto {
*/
public MD5Digest(MD5Digest t)
: base(t) {
: base(t)
{
H1 = t.H1;
H2 = t.H2;
H3 = t.H3;
@ -245,48 +268,56 @@ namespace TLSharp.Core.MTProto.Crypto {
xOff = t.xOff;
}
public override string AlgorithmName {
public override string AlgorithmName
{
get { return "MD5"; }
}
public override int GetDigestSize() {
public override int GetDigestSize()
{
return DigestLength;
}
internal override void ProcessWord(
byte[] input,
int inOff) {
int inOff)
{
X[xOff++] = (input[inOff] & 0xff) | ((input[inOff + 1] & 0xff) << 8)
| ((input[inOff + 2] & 0xff) << 16) | ((input[inOff + 3] & 0xff) << 24);
if (xOff == 16) {
if (xOff == 16)
{
ProcessBlock();
}
}
internal override void ProcessLength(
long bitLength) {
if (xOff > 14) {
long bitLength)
{
if (xOff > 14)
{
ProcessBlock();
}
X[14] = (int) (bitLength & 0xffffffff);
X[15] = (int) ((ulong) bitLength >> 32);
X[14] = (int)(bitLength & 0xffffffff);
X[15] = (int)((ulong)bitLength >> 32);
}
private void UnpackWord(
int word,
byte[] outBytes,
int outOff) {
outBytes[outOff] = (byte) word;
outBytes[outOff + 1] = (byte) ((uint) word >> 8);
outBytes[outOff + 2] = (byte) ((uint) word >> 16);
outBytes[outOff + 3] = (byte) ((uint) word >> 24);
int outOff)
{
outBytes[outOff] = (byte)word;
outBytes[outOff + 1] = (byte)((uint)word >> 8);
outBytes[outOff + 2] = (byte)((uint)word >> 16);
outBytes[outOff + 3] = (byte)((uint)word >> 24);
}
public override int DoFinal(
byte[] output,
int outOff) {
int outOff)
{
Finish();
UnpackWord(H1, output, outOff);
@ -303,17 +334,19 @@ namespace TLSharp.Core.MTProto.Crypto {
* reset the chaining variables to the IV values.
*/
public override void Reset() {
public override void Reset()
{
base.Reset();
H1 = unchecked(0x67452301);
H2 = unchecked((int) 0xefcdab89);
H3 = unchecked((int) 0x98badcfe);
H2 = unchecked((int)0xefcdab89);
H3 = unchecked((int)0x98badcfe);
H4 = unchecked(0x10325476);
xOff = 0;
for (int i = 0; i != X.Length; i++) {
for (int i = 0; i != X.Length; i++)
{
X[i] = 0;
}
}
@ -324,8 +357,9 @@ namespace TLSharp.Core.MTProto.Crypto {
private int RotateLeft(
int x,
int n) {
return (x << n) | (int) ((uint) x >> (32 - n));
int n)
{
return (x << n) | (int)((uint)x >> (32 - n));
}
/*
@ -335,32 +369,37 @@ namespace TLSharp.Core.MTProto.Crypto {
private int F(
int u,
int v,
int w) {
int w)
{
return (u & v) | (~u & w);
}
private int G(
int u,
int v,
int w) {
int w)
{
return (u & w) | (v & ~w);
}
private int H(
int u,
int v,
int w) {
int w)
{
return u ^ v ^ w;
}
private int K(
int u,
int v,
int w) {
int w)
{
return v ^ (u | ~w);
}
internal override void ProcessBlock() {
internal override void ProcessBlock()
{
int a = H1;
int b = H2;
int c = H3;
@ -369,82 +408,82 @@ namespace TLSharp.Core.MTProto.Crypto {
//
// Round 1 - F cycle, 16 times.
//
a = RotateLeft((a + F(b, c, d) + X[0] + unchecked((int) 0xd76aa478)), S11) + b;
d = RotateLeft((d + F(a, b, c) + X[1] + unchecked((int) 0xe8c7b756)), S12) + a;
a = RotateLeft((a + F(b, c, d) + X[0] + unchecked((int)0xd76aa478)), S11) + b;
d = RotateLeft((d + F(a, b, c) + X[1] + unchecked((int)0xe8c7b756)), S12) + a;
c = RotateLeft((c + F(d, a, b) + X[2] + unchecked(0x242070db)), S13) + d;
b = RotateLeft((b + F(c, d, a) + X[3] + unchecked((int) 0xc1bdceee)), S14) + c;
a = RotateLeft((a + F(b, c, d) + X[4] + unchecked((int) 0xf57c0faf)), S11) + b;
b = RotateLeft((b + F(c, d, a) + X[3] + unchecked((int)0xc1bdceee)), S14) + c;
a = RotateLeft((a + F(b, c, d) + X[4] + unchecked((int)0xf57c0faf)), S11) + b;
d = RotateLeft((d + F(a, b, c) + X[5] + unchecked(0x4787c62a)), S12) + a;
c = RotateLeft((c + F(d, a, b) + X[6] + unchecked((int) 0xa8304613)), S13) + d;
b = RotateLeft((b + F(c, d, a) + X[7] + unchecked((int) 0xfd469501)), S14) + c;
c = RotateLeft((c + F(d, a, b) + X[6] + unchecked((int)0xa8304613)), S13) + d;
b = RotateLeft((b + F(c, d, a) + X[7] + unchecked((int)0xfd469501)), S14) + c;
a = RotateLeft((a + F(b, c, d) + X[8] + unchecked(0x698098d8)), S11) + b;
d = RotateLeft((d + F(a, b, c) + X[9] + unchecked((int) 0x8b44f7af)), S12) + a;
c = RotateLeft((c + F(d, a, b) + X[10] + unchecked((int) 0xffff5bb1)), S13) + d;
b = RotateLeft((b + F(c, d, a) + X[11] + unchecked((int) 0x895cd7be)), S14) + c;
d = RotateLeft((d + F(a, b, c) + X[9] + unchecked((int)0x8b44f7af)), S12) + a;
c = RotateLeft((c + F(d, a, b) + X[10] + unchecked((int)0xffff5bb1)), S13) + d;
b = RotateLeft((b + F(c, d, a) + X[11] + unchecked((int)0x895cd7be)), S14) + c;
a = RotateLeft((a + F(b, c, d) + X[12] + unchecked(0x6b901122)), S11) + b;
d = RotateLeft((d + F(a, b, c) + X[13] + unchecked((int) 0xfd987193)), S12) + a;
c = RotateLeft((c + F(d, a, b) + X[14] + unchecked((int) 0xa679438e)), S13) + d;
d = RotateLeft((d + F(a, b, c) + X[13] + unchecked((int)0xfd987193)), S12) + a;
c = RotateLeft((c + F(d, a, b) + X[14] + unchecked((int)0xa679438e)), S13) + d;
b = RotateLeft((b + F(c, d, a) + X[15] + unchecked(0x49b40821)), S14) + c;
//
// Round 2 - G cycle, 16 times.
//
a = RotateLeft((a + G(b, c, d) + X[1] + unchecked((int) 0xf61e2562)), S21) + b;
d = RotateLeft((d + G(a, b, c) + X[6] + unchecked((int) 0xc040b340)), S22) + a;
a = RotateLeft((a + G(b, c, d) + X[1] + unchecked((int)0xf61e2562)), S21) + b;
d = RotateLeft((d + G(a, b, c) + X[6] + unchecked((int)0xc040b340)), S22) + a;
c = RotateLeft((c + G(d, a, b) + X[11] + unchecked(0x265e5a51)), S23) + d;
b = RotateLeft((b + G(c, d, a) + X[0] + unchecked((int) 0xe9b6c7aa)), S24) + c;
a = RotateLeft((a + G(b, c, d) + X[5] + unchecked((int) 0xd62f105d)), S21) + b;
b = RotateLeft((b + G(c, d, a) + X[0] + unchecked((int)0xe9b6c7aa)), S24) + c;
a = RotateLeft((a + G(b, c, d) + X[5] + unchecked((int)0xd62f105d)), S21) + b;
d = RotateLeft((d + G(a, b, c) + X[10] + unchecked(0x02441453)), S22) + a;
c = RotateLeft((c + G(d, a, b) + X[15] + unchecked((int) 0xd8a1e681)), S23) + d;
b = RotateLeft((b + G(c, d, a) + X[4] + unchecked((int) 0xe7d3fbc8)), S24) + c;
c = RotateLeft((c + G(d, a, b) + X[15] + unchecked((int)0xd8a1e681)), S23) + d;
b = RotateLeft((b + G(c, d, a) + X[4] + unchecked((int)0xe7d3fbc8)), S24) + c;
a = RotateLeft((a + G(b, c, d) + X[9] + unchecked(0x21e1cde6)), S21) + b;
d = RotateLeft((d + G(a, b, c) + X[14] + unchecked((int) 0xc33707d6)), S22) + a;
c = RotateLeft((c + G(d, a, b) + X[3] + unchecked((int) 0xf4d50d87)), S23) + d;
d = RotateLeft((d + G(a, b, c) + X[14] + unchecked((int)0xc33707d6)), S22) + a;
c = RotateLeft((c + G(d, a, b) + X[3] + unchecked((int)0xf4d50d87)), S23) + d;
b = RotateLeft((b + G(c, d, a) + X[8] + unchecked(0x455a14ed)), S24) + c;
a = RotateLeft((a + G(b, c, d) + X[13] + unchecked((int) 0xa9e3e905)), S21) + b;
d = RotateLeft((d + G(a, b, c) + X[2] + unchecked((int) 0xfcefa3f8)), S22) + a;
a = RotateLeft((a + G(b, c, d) + X[13] + unchecked((int)0xa9e3e905)), S21) + b;
d = RotateLeft((d + G(a, b, c) + X[2] + unchecked((int)0xfcefa3f8)), S22) + a;
c = RotateLeft((c + G(d, a, b) + X[7] + unchecked(0x676f02d9)), S23) + d;
b = RotateLeft((b + G(c, d, a) + X[12] + unchecked((int) 0x8d2a4c8a)), S24) + c;
b = RotateLeft((b + G(c, d, a) + X[12] + unchecked((int)0x8d2a4c8a)), S24) + c;
//
// Round 3 - H cycle, 16 times.
//
a = RotateLeft((a + H(b, c, d) + X[5] + unchecked((int) 0xfffa3942)), S31) + b;
d = RotateLeft((d + H(a, b, c) + X[8] + unchecked((int) 0x8771f681)), S32) + a;
a = RotateLeft((a + H(b, c, d) + X[5] + unchecked((int)0xfffa3942)), S31) + b;
d = RotateLeft((d + H(a, b, c) + X[8] + unchecked((int)0x8771f681)), S32) + a;
c = RotateLeft((c + H(d, a, b) + X[11] + unchecked(0x6d9d6122)), S33) + d;
b = RotateLeft((b + H(c, d, a) + X[14] + unchecked((int) 0xfde5380c)), S34) + c;
a = RotateLeft((a + H(b, c, d) + X[1] + unchecked((int) 0xa4beea44)), S31) + b;
b = RotateLeft((b + H(c, d, a) + X[14] + unchecked((int)0xfde5380c)), S34) + c;
a = RotateLeft((a + H(b, c, d) + X[1] + unchecked((int)0xa4beea44)), S31) + b;
d = RotateLeft((d + H(a, b, c) + X[4] + unchecked(0x4bdecfa9)), S32) + a;
c = RotateLeft((c + H(d, a, b) + X[7] + unchecked((int) 0xf6bb4b60)), S33) + d;
b = RotateLeft((b + H(c, d, a) + X[10] + unchecked((int) 0xbebfbc70)), S34) + c;
c = RotateLeft((c + H(d, a, b) + X[7] + unchecked((int)0xf6bb4b60)), S33) + d;
b = RotateLeft((b + H(c, d, a) + X[10] + unchecked((int)0xbebfbc70)), S34) + c;
a = RotateLeft((a + H(b, c, d) + X[13] + unchecked(0x289b7ec6)), S31) + b;
d = RotateLeft((d + H(a, b, c) + X[0] + unchecked((int) 0xeaa127fa)), S32) + a;
c = RotateLeft((c + H(d, a, b) + X[3] + unchecked((int) 0xd4ef3085)), S33) + d;
d = RotateLeft((d + H(a, b, c) + X[0] + unchecked((int)0xeaa127fa)), S32) + a;
c = RotateLeft((c + H(d, a, b) + X[3] + unchecked((int)0xd4ef3085)), S33) + d;
b = RotateLeft((b + H(c, d, a) + X[6] + unchecked(0x04881d05)), S34) + c;
a = RotateLeft((a + H(b, c, d) + X[9] + unchecked((int) 0xd9d4d039)), S31) + b;
d = RotateLeft((d + H(a, b, c) + X[12] + unchecked((int) 0xe6db99e5)), S32) + a;
a = RotateLeft((a + H(b, c, d) + X[9] + unchecked((int)0xd9d4d039)), S31) + b;
d = RotateLeft((d + H(a, b, c) + X[12] + unchecked((int)0xe6db99e5)), S32) + a;
c = RotateLeft((c + H(d, a, b) + X[15] + unchecked(0x1fa27cf8)), S33) + d;
b = RotateLeft((b + H(c, d, a) + X[2] + unchecked((int) 0xc4ac5665)), S34) + c;
b = RotateLeft((b + H(c, d, a) + X[2] + unchecked((int)0xc4ac5665)), S34) + c;
//
// Round 4 - K cycle, 16 times.
//
a = RotateLeft((a + K(b, c, d) + X[0] + unchecked((int) 0xf4292244)), S41) + b;
a = RotateLeft((a + K(b, c, d) + X[0] + unchecked((int)0xf4292244)), S41) + b;
d = RotateLeft((d + K(a, b, c) + X[7] + unchecked(0x432aff97)), S42) + a;
c = RotateLeft((c + K(d, a, b) + X[14] + unchecked((int) 0xab9423a7)), S43) + d;
b = RotateLeft((b + K(c, d, a) + X[5] + unchecked((int) 0xfc93a039)), S44) + c;
c = RotateLeft((c + K(d, a, b) + X[14] + unchecked((int)0xab9423a7)), S43) + d;
b = RotateLeft((b + K(c, d, a) + X[5] + unchecked((int)0xfc93a039)), S44) + c;
a = RotateLeft((a + K(b, c, d) + X[12] + unchecked(0x655b59c3)), S41) + b;
d = RotateLeft((d + K(a, b, c) + X[3] + unchecked((int) 0x8f0ccc92)), S42) + a;
c = RotateLeft((c + K(d, a, b) + X[10] + unchecked((int) 0xffeff47d)), S43) + d;
b = RotateLeft((b + K(c, d, a) + X[1] + unchecked((int) 0x85845dd1)), S44) + c;
d = RotateLeft((d + K(a, b, c) + X[3] + unchecked((int)0x8f0ccc92)), S42) + a;
c = RotateLeft((c + K(d, a, b) + X[10] + unchecked((int)0xffeff47d)), S43) + d;
b = RotateLeft((b + K(c, d, a) + X[1] + unchecked((int)0x85845dd1)), S44) + c;
a = RotateLeft((a + K(b, c, d) + X[8] + unchecked(0x6fa87e4f)), S41) + b;
d = RotateLeft((d + K(a, b, c) + X[15] + unchecked((int) 0xfe2ce6e0)), S42) + a;
c = RotateLeft((c + K(d, a, b) + X[6] + unchecked((int) 0xa3014314)), S43) + d;
d = RotateLeft((d + K(a, b, c) + X[15] + unchecked((int)0xfe2ce6e0)), S42) + a;
c = RotateLeft((c + K(d, a, b) + X[6] + unchecked((int)0xa3014314)), S43) + d;
b = RotateLeft((b + K(c, d, a) + X[13] + unchecked(0x4e0811a1)), S44) + c;
a = RotateLeft((a + K(b, c, d) + X[4] + unchecked((int) 0xf7537e82)), S41) + b;
d = RotateLeft((d + K(a, b, c) + X[11] + unchecked((int) 0xbd3af235)), S42) + a;
a = RotateLeft((a + K(b, c, d) + X[4] + unchecked((int)0xf7537e82)), S41) + b;
d = RotateLeft((d + K(a, b, c) + X[11] + unchecked((int)0xbd3af235)), S42) + a;
c = RotateLeft((c + K(d, a, b) + X[2] + unchecked(0x2ad7d2bb)), S43) + d;
b = RotateLeft((b + K(c, d, a) + X[9] + unchecked((int) 0xeb86d391)), S44) + c;
b = RotateLeft((b + K(c, d, a) + X[9] + unchecked((int)0xeb86d391)), S44) + c;
H1 += a;
H2 += b;
@ -455,7 +494,8 @@ namespace TLSharp.Core.MTProto.Crypto {
// reset the offset and clean out the word buffer.
//
xOff = 0;
for (int i = 0; i != X.Length; i++) {
for (int i = 0; i != X.Length; i++)
{
X[i] = 0;
}
}

49
TLSharp.Core/MTProto/Crypto/RSA.cs
View file

@ -3,31 +3,38 @@ using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
namespace TLSharp.Core.MTProto.Crypto {
namespace TLSharp.Core.MTProto.Crypto
{
class RSAServerKey {
class RSAServerKey
{
private string fingerprint;
private BigInteger m;
private BigInteger e;
public RSAServerKey(string fingerprint, BigInteger m, BigInteger e) {
public RSAServerKey(string fingerprint, BigInteger m, BigInteger e)
{
this.fingerprint = fingerprint;
this.m = m;
this.e = e;
}
public byte[] Encrypt(byte[] data, int offset, int length) {
using(MemoryStream buffer = new MemoryStream(255))
using(BinaryWriter writer = new BinaryWriter(buffer)) {
using(SHA1 sha1 = new SHA1Managed()) {
public byte[] Encrypt(byte[] data, int offset, int length)
{
using (MemoryStream buffer = new MemoryStream(255))
using (BinaryWriter writer = new BinaryWriter(buffer))
{
using (SHA1 sha1 = new SHA1Managed())
{
byte[] hashsum = sha1.ComputeHash(data, offset, length);
writer.Write(hashsum);
writer.Write(hashsum);
}
buffer.Write(data, offset, length);
if(length < 235) {
if (length < 235)
{
byte[] padding = new byte[235 - length];
new Random().NextBytes(padding);
buffer.Write(padding, 0, padding.Length);
@ -35,29 +42,35 @@ namespace TLSharp.Core.MTProto.Crypto {
byte[] ciphertext = new BigInteger(1, buffer.ToArray()).ModPow(e, m).ToByteArrayUnsigned();
if(ciphertext.Length == 256) {
if (ciphertext.Length == 256)
{
return ciphertext;
} else {
}
else {
byte[] paddedCiphertext = new byte[256];
int padding = 256 - ciphertext.Length;
for(int i = 0; i < padding; i++) {
for (int i = 0; i < padding; i++)
{
paddedCiphertext[i] = 0;
}
ciphertext.CopyTo(paddedCiphertext, padding);
return paddedCiphertext;
return paddedCiphertext;
}
}
}
}
public class RSA {
public class RSA
{
private static readonly Dictionary<string, RSAServerKey> serverKeys = new Dictionary<string, RSAServerKey>() {
{ "216be86c022bb4c3", new RSAServerKey("216be86c022bb4c3", new BigInteger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new BigInteger("010001", 16)) }
};
public static byte[] Encrypt(string fingerprint, byte[] data, int offset, int length) {
public static byte[] Encrypt(string fingerprint, byte[] data, int offset, int length)
{
string fingerprintLower = fingerprint.ToLower();
if(!serverKeys.ContainsKey(fingerprintLower)) {
if (!serverKeys.ContainsKey(fingerprintLower))
{
return null;
}
@ -66,5 +79,5 @@ namespace TLSharp.Core.MTProto.Crypto {
return key.Encrypt(data, offset, length);
}
}
}

53
TLSharp.Core/MTProto/Crypto/Salt.cs
View file

@ -4,73 +4,90 @@ using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace TLSharp.Core.MTProto.Crypto {
public class Salt : IComparable<Salt> {
namespace TLSharp.Core.MTProto.Crypto
{
public class Salt : IComparable<Salt>
{
private int validSince;
private int validUntil;
private ulong salt;
public Salt(int validSince, int validUntil, ulong salt) {
public Salt(int validSince, int validUntil, ulong salt)
{
this.validSince = validSince;
this.validUntil = validUntil;
this.salt = salt;
}
public int ValidSince {
public int ValidSince
{
get { return validSince; }
}
public int ValidUntil {
public int ValidUntil
{
get { return validUntil; }
}
public ulong Value {
public ulong Value
{
get { return salt; }
}
public int CompareTo(Salt other) {
public int CompareTo(Salt other)
{
return validUntil.CompareTo(other.validSince);
}
}
public class SaltCollection {
private SortedSet<Salt> salts;
public class SaltCollection
{
private SortedSet<Salt> salts;
public void Add(Salt salt) {
public void Add(Salt salt)
{
salts.Add(salt);
}
public int Count {
get {
public int Count
{
get
{
return salts.Count;
}
}
// TODO: get actual salt and other...
}
public class GetFutureSaltsResponse {
public class GetFutureSaltsResponse
{
private ulong requestId;
private int now;
private SaltCollection salts;
public GetFutureSaltsResponse(ulong requestId, int now) {
public GetFutureSaltsResponse(ulong requestId, int now)
{
this.requestId = requestId;
this.now = now;
}
public void AddSalt(Salt salt) {
public void AddSalt(Salt salt)
{
salts.Add(salt);
}
public ulong RequestId {
public ulong RequestId
{
get { return requestId; }
}
public int Now {
public int Now
{
get { return now; }
}
public SaltCollection Salts {
public SaltCollection Salts
{
get { return salts; }
}
}

59
TLSharp.Core/MTProto/Serializers.cs
View file

@ -4,22 +4,28 @@ using System.Text;
namespace TLSharp.Core.MTProto
{
public class Serializers {
public class Serializers
{
public static class Bytes {
public static byte[] read(BinaryReader binaryReader) {
public static class Bytes
{
public static byte[] read(BinaryReader binaryReader)
{
byte firstByte = binaryReader.ReadByte();
int len, padding;
if(firstByte == 254) {
if (firstByte == 254)
{
len = binaryReader.ReadByte() | (binaryReader.ReadByte() << 8) | (binaryReader.ReadByte() << 16);
padding = len%4;
} else {
padding = len % 4;
}
else {
len = firstByte;
padding = (len + 1) % 4;
}
byte[] data = binaryReader.ReadBytes(len);
if(padding > 0) {
if (padding > 0)
{
padding = 4 - padding;
binaryReader.ReadBytes(padding);
}
@ -27,19 +33,24 @@ namespace TLSharp.Core.MTProto
return data;
}
public static BinaryWriter write(BinaryWriter binaryWriter, byte[] data) {
public static BinaryWriter write(BinaryWriter binaryWriter, byte[] data)
{
int padding;
if(data.Length < 254) {
padding = (data.Length + 1)%4;
if(padding != 0) {
if (data.Length < 254)
{
padding = (data.Length + 1) % 4;
if (padding != 0)
{
padding = 4 - padding;
}
binaryWriter.Write((byte) data.Length);
binaryWriter.Write((byte)data.Length);
binaryWriter.Write(data);
} else {
padding = (data.Length)%4;
if(padding != 0) {
}
else {
padding = (data.Length) % 4;
if (padding != 0)
{
padding = 4 - padding;
}
@ -51,7 +62,8 @@ namespace TLSharp.Core.MTProto
}
for(int i = 0; i < padding; i++) {
for (int i = 0; i < padding; i++)
{
binaryWriter.Write((byte)0);
}
@ -59,20 +71,25 @@ namespace TLSharp.Core.MTProto
}
}
public static class String {
public static string read(BinaryReader reader) {
public static class String
{
public static string read(BinaryReader reader)
{
byte[] data = Bytes.read(reader);
return Encoding.UTF8.GetString(data, 0, data.Length);
}
public static BinaryWriter write(BinaryWriter writer, string str) {
public static BinaryWriter write(BinaryWriter writer, string str)
{
return Bytes.write(writer, Encoding.UTF8.GetBytes(str));
}
}
public static string VectorToString<T>(List<T> list) {
public static string VectorToString<T>(List<T> list)
{
string[] tokens = new string[list.Count];
for(int i = 0; i < list.Count; i++) {
for (int i = 0; i < list.Count; i++)
{
tokens[i] = list[i].ToString();
}
return "[" + System.String.Join(", ", tokens) + "]";

27602
TLSharp.Core/MTProto/TL.cs
View file

File diff suppressed because it is too large Load diff

114
TLSharp.Core/Network/MtProtoPlainSender.cs
View file

@ -4,74 +4,74 @@ using System.Threading.Tasks;
namespace TLSharp.Core.Network
{
public class MtProtoPlainSender
{
private int sequence = 0;
private int timeOffset;
private long lastMessageId;
private Random random;
private TcpTransport _transport;
public class MtProtoPlainSender
{
private int sequence = 0;
private int timeOffset;
private long lastMessageId;
private Random random;
private TcpTransport _transport;
public MtProtoPlainSender(TcpTransport transport)
{
_transport = transport;
random = new Random();
}
public MtProtoPlainSender(TcpTransport transport)
{
_transport = transport;
random = new Random();
}
public async Task Send(byte[] data)
{
using (var memoryStream = new MemoryStream())
{
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.Write((long)0);
binaryWriter.Write(GetNewMessageId());
binaryWriter.Write(data.Length);
binaryWriter.Write(data);
public async Task Send(byte[] data)
{
using (var memoryStream = new MemoryStream())
{
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.Write((long)0);
binaryWriter.Write(GetNewMessageId());
binaryWriter.Write(data.Length);
binaryWriter.Write(data);
byte[] packet = memoryStream.ToArray();
byte[] packet = memoryStream.ToArray();
await _transport.Send(packet);
}
}
}
await _transport.Send(packet);
}
}
}
public async Task<byte[]> Recieve()
{
var result = await _transport.Receieve();
public async Task<byte[]> Recieve()
{
var result = await _transport.Receieve();
using (var memoryStream = new MemoryStream(result.Body))
{
using (BinaryReader binaryReader = new BinaryReader(memoryStream))
{
long authKeyid = binaryReader.ReadInt64();
long messageId = binaryReader.ReadInt64();
int messageLength = binaryReader.ReadInt32();
using (var memoryStream = new MemoryStream(result.Body))
{
using (BinaryReader binaryReader = new BinaryReader(memoryStream))
{
long authKeyid = binaryReader.ReadInt64();
long messageId = binaryReader.ReadInt64();
int messageLength = binaryReader.ReadInt32();
byte[] response = binaryReader.ReadBytes(messageLength);
byte[] response = binaryReader.ReadBytes(messageLength);
return response;
}
}
}
return response;
}
}
}
private long GetNewMessageId()
{
long time = Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds);
long newMessageId = ((time / 1000 + timeOffset) << 32) |
((time % 1000) << 22) |
(random.Next(524288) << 2); // 2^19
// [ unix timestamp : 32 bit] [ milliseconds : 10 bit ] [ buffer space : 1 bit ] [ random : 19 bit ] [ msg_id type : 2 bit ] = [ msg_id : 64 bit ]
private long GetNewMessageId()
{
long time = Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds);
long newMessageId = ((time / 1000 + timeOffset) << 32) |
((time % 1000) << 22) |
(random.Next(524288) << 2); // 2^19
// [ unix timestamp : 32 bit] [ milliseconds : 10 bit ] [ buffer space : 1 bit ] [ random : 19 bit ] [ msg_id type : 2 bit ] = [ msg_id : 64 bit ]
if (lastMessageId >= newMessageId)
{
newMessageId = lastMessageId + 4;
}
if (lastMessageId >= newMessageId)
{
newMessageId = lastMessageId + 4;
}
lastMessageId = newMessageId;
return newMessageId;
}
lastMessageId = newMessageId;
return newMessageId;
}
}
}
}

730
TLSharp.Core/Network/MtProtoSender.cs
View file

@ -14,204 +14,204 @@ using TLSharp.Core.Utils;
namespace TLSharp.Core.Network
{
public class MtProtoSender
{
//private ulong sessionId = GenerateRandomUlong();
private TcpTransport _transport;
private Session _session;
public class MtProtoSender
{
//private ulong sessionId = GenerateRandomUlong();
public List<ulong> needConfirmation = new List<ulong>();
private TcpTransport _transport;
private Session _session;
public MtProtoSender(TcpTransport transport, Session session)
{
_transport = transport;
_session = session;
}
public List<ulong> needConfirmation = new List<ulong>();
public void ChangeTransport(TcpTransport transport)
{
_transport = transport;
}
public MtProtoSender(TcpTransport transport, Session session)
{
_transport = transport;
_session = session;
}
private int GenerateSequence(bool confirmed)
{
return confirmed ? _session.Sequence++ * 2 + 1 : _session.Sequence * 2;
}
public void ChangeTransport(TcpTransport transport)
{
_transport = transport;
}
public async Task Send(MTProtoRequest request)
{
// TODO: refactor
if (needConfirmation.Any())
{
var ackRequest = new AckRequest(needConfirmation);
using (var memory = new MemoryStream())
using (var writer = new BinaryWriter(memory))
{
ackRequest.OnSend(writer);
await Send(memory.ToArray(), ackRequest);
needConfirmation.Clear();
}
}
private int GenerateSequence(bool confirmed)
{
return confirmed ? _session.Sequence++ * 2 + 1 : _session.Sequence * 2;
}
using (var memory = new MemoryStream())
using (var writer = new BinaryWriter(memory))
{
request.OnSend(writer);
await Send(memory.ToArray(), request);
}
public async Task Send(MTProtoRequest request)
{
// TODO: refactor
if (needConfirmation.Any())
{
var ackRequest = new AckRequest(needConfirmation);
using (var memory = new MemoryStream())
using (var writer = new BinaryWriter(memory))
{
ackRequest.OnSend(writer);
await Send(memory.ToArray(), ackRequest);
needConfirmation.Clear();
}
}
_session.Save();
}
public async Task Send(byte[] packet, MTProtoRequest request)
{
request.MessageId = _session.GetNewMessageId();
byte[] msgKey;
byte[] ciphertext;
using (MemoryStream plaintextPacket = makeMemory(8 + 8 + 8 + 4 + 4 + packet.Length))
{
using (BinaryWriter plaintextWriter = new BinaryWriter(plaintextPacket))
{
plaintextWriter.Write(_session.Salt);
plaintextWriter.Write(_session.Id);
plaintextWriter.Write(request.MessageId);
plaintextWriter.Write(GenerateSequence(request.Confirmed));
plaintextWriter.Write(packet.Length);
plaintextWriter.Write(packet);
using (var memory = new MemoryStream())
using (var writer = new BinaryWriter(memory))
{
request.OnSend(writer);
await Send(memory.ToArray(), request);
}
msgKey = Helpers.CalcMsgKey(plaintextPacket.GetBuffer());
ciphertext = AES.EncryptAES(Helpers.CalcKey(_session.AuthKey.Data, msgKey, true), plaintextPacket.GetBuffer());
}
}
_session.Save();
}
using (MemoryStream ciphertextPacket = makeMemory(8 + 16 + ciphertext.Length))
{
using (BinaryWriter writer = new BinaryWriter(ciphertextPacket))
{
writer.Write(_session.AuthKey.Id);
writer.Write(msgKey);
writer.Write(ciphertext);
public async Task Send(byte[] packet, MTProtoRequest request)
{
request.MessageId = _session.GetNewMessageId();
await _transport.Send(ciphertextPacket.GetBuffer());
}
}
}
byte[] msgKey;
byte[] ciphertext;
using (MemoryStream plaintextPacket = makeMemory(8 + 8 + 8 + 4 + 4 + packet.Length))
{
using (BinaryWriter plaintextWriter = new BinaryWriter(plaintextPacket))
{
plaintextWriter.Write(_session.Salt);
plaintextWriter.Write(_session.Id);
plaintextWriter.Write(request.MessageId);
plaintextWriter.Write(GenerateSequence(request.Confirmed));
plaintextWriter.Write(packet.Length);
plaintextWriter.Write(packet);
private Tuple<byte[], ulong, int> DecodeMessage(byte[] body)
{
byte[] message;
ulong remoteMessageId;
int remoteSequence;
msgKey = Helpers.CalcMsgKey(plaintextPacket.GetBuffer());
ciphertext = AES.EncryptAES(Helpers.CalcKey(_session.AuthKey.Data, msgKey, true), plaintextPacket.GetBuffer());
}
}
using (var inputStream = new MemoryStream(body))
using (var inputReader = new BinaryReader(inputStream))
{
if (inputReader.BaseStream.Length < 8)
throw new InvalidOperationException($"Can't decode packet");
ulong remoteAuthKeyId = inputReader.ReadUInt64(); // TODO: check auth key id
byte[] msgKey = inputReader.ReadBytes(16); // TODO: check msg_key correctness
AESKeyData keyData = Helpers.CalcKey(_session.AuthKey.Data, msgKey, false);
using (MemoryStream ciphertextPacket = makeMemory(8 + 16 + ciphertext.Length))
{
using (BinaryWriter writer = new BinaryWriter(ciphertextPacket))
{
writer.Write(_session.AuthKey.Id);
writer.Write(msgKey);
writer.Write(ciphertext);
byte[] plaintext = AES.DecryptAES(keyData, inputReader.ReadBytes((int)(inputStream.Length - inputStream.Position)));
await _transport.Send(ciphertextPacket.GetBuffer());
}
}
}
using (MemoryStream plaintextStream = new MemoryStream(plaintext))
using (BinaryReader plaintextReader = new BinaryReader(plaintextStream))
{
var remoteSalt = plaintextReader.ReadUInt64();
var remoteSessionId = plaintextReader.ReadUInt64();
remoteMessageId = plaintextReader.ReadUInt64();
remoteSequence = plaintextReader.ReadInt32();
int msgLen = plaintextReader.ReadInt32();
message = plaintextReader.ReadBytes(msgLen);
}
}
return new Tuple<byte[], ulong, int>(message, remoteMessageId, remoteSequence);
}
private Tuple<byte[], ulong, int> DecodeMessage(byte[] body)
{
byte[] message;
ulong remoteMessageId;
int remoteSequence;
public async Task<byte[]> Recieve(MTProtoRequest request)
{
while (!request.ConfirmReceived)
{
var result = DecodeMessage((await _transport.Receieve()).Body);
using (var inputStream = new MemoryStream(body))
using (var inputReader = new BinaryReader(inputStream))
{
if (inputReader.BaseStream.Length < 8)
throw new InvalidOperationException($"Can't decode packet");
using (var messageStream = new MemoryStream(result.Item1, false))
using (var messageReader = new BinaryReader(messageStream))
{
processMessage(result.Item2, result.Item3, messageReader, request);
}
}
ulong remoteAuthKeyId = inputReader.ReadUInt64(); // TODO: check auth key id
byte[] msgKey = inputReader.ReadBytes(16); // TODO: check msg_key correctness
AESKeyData keyData = Helpers.CalcKey(_session.AuthKey.Data, msgKey, false);
return null;
}
byte[] plaintext = AES.DecryptAES(keyData, inputReader.ReadBytes((int)(inputStream.Length - inputStream.Position)));
private bool processMessage(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
// TODO: check salt
// TODO: check sessionid
// TODO: check seqno
using (MemoryStream plaintextStream = new MemoryStream(plaintext))
using (BinaryReader plaintextReader = new BinaryReader(plaintextStream))
{
var remoteSalt = plaintextReader.ReadUInt64();
var remoteSessionId = plaintextReader.ReadUInt64();
remoteMessageId = plaintextReader.ReadUInt64();
remoteSequence = plaintextReader.ReadInt32();
int msgLen = plaintextReader.ReadInt32();
message = plaintextReader.ReadBytes(msgLen);
}
}
return new Tuple<byte[], ulong, int>(message, remoteMessageId, remoteSequence);
}
//logger.debug("processMessage: msg_id {0}, sequence {1}, data {2}", BitConverter.ToString(((MemoryStream)messageReader.BaseStream).GetBuffer(), (int) messageReader.BaseStream.Position, (int) (messageReader.BaseStream.Length - messageReader.BaseStream.Position)).Replace("-","").ToLower());
needConfirmation.Add(messageId);
uint code = messageReader.ReadUInt32();
messageReader.BaseStream.Position -= 4;
switch (code)
{
case 0x73f1f8dc: // container
//logger.debug("MSG container");
return HandleContainer(messageId, sequence, messageReader, request);
case 0x7abe77ec: // ping
//logger.debug("MSG ping");
return HandlePing(messageId, sequence, messageReader);
case 0x347773c5: // pong
//logger.debug("MSG pong");
return HandlePong(messageId, sequence, messageReader);
case 0xae500895: // future_salts
//logger.debug("MSG future_salts");
return HandleFutureSalts(messageId, sequence, messageReader);
case 0x9ec20908: // new_session_created
//logger.debug("MSG new_session_created");
return HandleNewSessionCreated(messageId, sequence, messageReader);
case 0x62d6b459: // msgs_ack
//logger.debug("MSG msds_ack");
return HandleMsgsAck(messageId, sequence, messageReader);
case 0xedab447b: // bad_server_salt
//logger.debug("MSG bad_server_salt");
return HandleBadServerSalt(messageId, sequence, messageReader, request);
case 0xa7eff811: // bad_msg_notification
//logger.debug("MSG bad_msg_notification");
return HandleBadMsgNotification(messageId, sequence, messageReader);
case 0x276d3ec6: // msg_detailed_info
//logger.debug("MSG msg_detailed_info");
return HandleMsgDetailedInfo(messageId, sequence, messageReader);
case 0xf35c6d01: // rpc_result
//logger.debug("MSG rpc_result");
return HandleRpcResult(messageId, sequence, messageReader, request);
case 0x3072cfa1: // gzip_packed
//logger.debug("MSG gzip_packed");
return HandleGzipPacked(messageId, sequence, messageReader, request);
case 0xe317af7e:
case 0xd3f45784:
case 0x2b2fbd4e:
case 0x78d4dec1:
case 0x725b04c3:
case 0x74ae4240:
return HandleUpdate(messageId, sequence, messageReader);
default:
//logger.debug("unknown message: {0}", code);
return false;
}
}
public async Task<byte[]> Recieve(MTProtoRequest request)
{
while (!request.ConfirmReceived)
{
var result = DecodeMessage((await _transport.Receieve()).Body);
private bool HandleUpdate(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
/*
using (var messageStream = new MemoryStream(result.Item1, false))
using (var messageReader = new BinaryReader(messageStream))
{
processMessage(result.Item2, result.Item3, messageReader, request);
}
}
return null;
}
private bool processMessage(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
// TODO: check salt
// TODO: check sessionid
// TODO: check seqno
//logger.debug("processMessage: msg_id {0}, sequence {1}, data {2}", BitConverter.ToString(((MemoryStream)messageReader.BaseStream).GetBuffer(), (int) messageReader.BaseStream.Position, (int) (messageReader.BaseStream.Length - messageReader.BaseStream.Position)).Replace("-","").ToLower());
needConfirmation.Add(messageId);
uint code = messageReader.ReadUInt32();
messageReader.BaseStream.Position -= 4;
switch (code)
{
case 0x73f1f8dc: // container
//logger.debug("MSG container");
return HandleContainer(messageId, sequence, messageReader, request);
case 0x7abe77ec: // ping
//logger.debug("MSG ping");
return HandlePing(messageId, sequence, messageReader);
case 0x347773c5: // pong
//logger.debug("MSG pong");
return HandlePong(messageId, sequence, messageReader);
case 0xae500895: // future_salts
//logger.debug("MSG future_salts");
return HandleFutureSalts(messageId, sequence, messageReader);
case 0x9ec20908: // new_session_created
//logger.debug("MSG new_session_created");
return HandleNewSessionCreated(messageId, sequence, messageReader);
case 0x62d6b459: // msgs_ack
//logger.debug("MSG msds_ack");
return HandleMsgsAck(messageId, sequence, messageReader);
case 0xedab447b: // bad_server_salt
//logger.debug("MSG bad_server_salt");
return HandleBadServerSalt(messageId, sequence, messageReader, request);
case 0xa7eff811: // bad_msg_notification
//logger.debug("MSG bad_msg_notification");
return HandleBadMsgNotification(messageId, sequence, messageReader);
case 0x276d3ec6: // msg_detailed_info
//logger.debug("MSG msg_detailed_info");
return HandleMsgDetailedInfo(messageId, sequence, messageReader);
case 0xf35c6d01: // rpc_result
//logger.debug("MSG rpc_result");
return HandleRpcResult(messageId, sequence, messageReader, request);
case 0x3072cfa1: // gzip_packed
//logger.debug("MSG gzip_packed");
return HandleGzipPacked(messageId, sequence, messageReader, request);
case 0xe317af7e:
case 0xd3f45784:
case 0x2b2fbd4e:
case 0x78d4dec1:
case 0x725b04c3:
case 0x74ae4240:
return HandleUpdate(messageId, sequence, messageReader);
default:
//logger.debug("unknown message: {0}", code);
return false;
}
}
private bool HandleUpdate(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
/*
try
{
UpdatesEvent(TL.Parse<Updates>(messageReader));
@ -223,31 +223,31 @@ namespace TLSharp.Core.Network
return false;
}
*/
}
}
private bool HandleGzipPacked(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
byte[] packedData = GZipStream.UncompressBuffer(Serializers.Bytes.read(messageReader));
using (MemoryStream packedStream = new MemoryStream(packedData, false))
using (BinaryReader compressedReader = new BinaryReader(packedStream))
{
processMessage(messageId, sequence, compressedReader, request);
}
private bool HandleGzipPacked(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
byte[] packedData = GZipStream.UncompressBuffer(Serializers.Bytes.read(messageReader));
using (MemoryStream packedStream = new MemoryStream(packedData, false))
using (BinaryReader compressedReader = new BinaryReader(packedStream))
{
processMessage(messageId, sequence, compressedReader, request);
}
return true;
}
return true;
}
private bool HandleRpcResult(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
ulong requestId = messageReader.ReadUInt64();
private bool HandleRpcResult(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
ulong requestId = messageReader.ReadUInt64();
if (requestId == (ulong) request.MessageId)
request.ConfirmReceived = true;
if (requestId == (ulong)request.MessageId)
request.ConfirmReceived = true;
//throw new NotImplementedException();
/*
//throw new NotImplementedException();
/*
lock (runningRequests)
{
if (!runningRequests.ContainsKey(requestId))
@ -262,105 +262,105 @@ namespace TLSharp.Core.Network
}
*/
uint innerCode = messageReader.ReadUInt32();
if (innerCode == 0x2144ca19)
{ // rpc_error
int errorCode = messageReader.ReadInt32();
string errorMessage = Serializers.String.read(messageReader);
uint innerCode = messageReader.ReadUInt32();
if (innerCode == 0x2144ca19)
{ // rpc_error
int errorCode = messageReader.ReadInt32();
string errorMessage = Serializers.String.read(messageReader);
if (errorMessage.StartsWith("FLOOD_WAIT_"))
{
var resultString = Regex.Match(errorMessage, @"\d+").Value;
var seconds = int.Parse(resultString);
Debug.WriteLine($"Should wait {seconds} sec.");
Thread.Sleep(1000*seconds);
}
else if (errorMessage.StartsWith("PHONE_MIGRATE_"))
{
var resultString = Regex.Match(errorMessage, @"\d+").Value;
var dcIdx = int.Parse(resultString);
var exception = new InvalidOperationException($"Your phone number registered to {dcIdx} dc. Please update settings. See https://github.com/sochix/TLSharp#i-get-an-error-migrate_x for details.");
exception.Data.Add("dcId", dcIdx);
throw exception;
}
else
{
throw new InvalidOperationException(errorMessage);
}
}
else if (innerCode == 0x3072cfa1)
{
try
{
// gzip_packed
byte[] packedData = Serializers.Bytes.read(messageReader);
using (var packedStream = new MemoryStream(packedData, false))
using (var zipStream = new GZipStream(packedStream, CompressionMode.Decompress))
using (var compressedReader = new BinaryReader(zipStream))
{
request.OnResponse(compressedReader);
}
}
catch (ZlibException ex)
{
}
}
else
{
messageReader.BaseStream.Position -= 4;
if (errorMessage.StartsWith("FLOOD_WAIT_"))
{
var resultString = Regex.Match(errorMessage, @"\d+").Value;
var seconds = int.Parse(resultString);
Debug.WriteLine($"Should wait {seconds} sec.");
Thread.Sleep(1000 * seconds);
}
else if (errorMessage.StartsWith("PHONE_MIGRATE_"))
{
var resultString = Regex.Match(errorMessage, @"\d+").Value;
var dcIdx = int.Parse(resultString);
var exception = new InvalidOperationException($"Your phone number registered to {dcIdx} dc. Please update settings. See https://github.com/sochix/TLSharp#i-get-an-error-migrate_x for details.");
exception.Data.Add("dcId", dcIdx);
throw exception;
}
else
{
throw new InvalidOperationException(errorMessage);
}
request.OnResponse(messageReader);
}
}
else if (innerCode == 0x3072cfa1)
{
try
{
// gzip_packed
byte[] packedData = Serializers.Bytes.read(messageReader);
using (var packedStream = new MemoryStream(packedData, false))
using (var zipStream = new GZipStream(packedStream, CompressionMode.Decompress))
using (var compressedReader = new BinaryReader(zipStream))
{
request.OnResponse(compressedReader);
}
}
catch (ZlibException ex)
{
return false;
}
}
}
else
{
messageReader.BaseStream.Position -= 4;
private bool HandleMsgDetailedInfo(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
request.OnResponse(messageReader);
}
private bool HandleBadMsgNotification(ulong messageId, int sequence, BinaryReader messageReader)
{
uint code = messageReader.ReadUInt32();
ulong requestId = messageReader.ReadUInt64();
int requestSequence = messageReader.ReadInt32();
int errorCode = messageReader.ReadInt32();
return false;
}
switch (errorCode)
{
case 16:
throw new InvalidOperationException(" msg_id too low (most likely, client time is wrong; it would be worthwhile to synchronize it using msg_id notifications and re-send the original message with the “correct” msg_id or wrap it in a container with a new msg_id if the original message had waited too long on the client to be transmitted)");
case 17:
throw new InvalidOperationException(" msg_id too high (similar to the previous case, the client time has to be synchronized, and the message re-sent with the correct msg_id)");
case 18:
throw new InvalidOperationException("incorrect two lower order msg_id bits (the server expects client message msg_id to be divisible by 4)");
case 19:
throw new InvalidOperationException("container msg_id is the same as msg_id of a previously received message (this must never happen)");
case 20:
throw new InvalidOperationException("message too old, and it cannot be verified whether the server has received a message with this msg_id or not");
case 32:
throw new InvalidOperationException("msg_seqno too low (the server has already received a message with a lower msg_id but with either a higher or an equal and odd seqno)");
case 33:
throw new InvalidOperationException(" msg_seqno too high (similarly, there is a message with a higher msg_id but with either a lower or an equal and odd seqno)");
case 34:
throw new InvalidOperationException("an even msg_seqno expected (irrelevant message), but odd received");
case 35:
throw new InvalidOperationException("odd msg_seqno expected (relevant message), but even received");
case 48:
throw new InvalidOperationException("incorrect server salt (in this case, the bad_server_salt response is received with the correct salt, and the message is to be re-sent with it)");
case 64:
throw new InvalidOperationException("invalid container");
private bool HandleMsgDetailedInfo(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
}
throw new NotImplementedException("This should never happens");
/*
private bool HandleBadMsgNotification(ulong messageId, int sequence, BinaryReader messageReader)
{
uint code = messageReader.ReadUInt32();
ulong requestId = messageReader.ReadUInt64();
int requestSequence = messageReader.ReadInt32();
int errorCode = messageReader.ReadInt32();
switch (errorCode)
{
case 16:
throw new InvalidOperationException(" msg_id too low (most likely, client time is wrong; it would be worthwhile to synchronize it using msg_id notifications and re-send the original message with the “correct” msg_id or wrap it in a container with a new msg_id if the original message had waited too long on the client to be transmitted)");
case 17:
throw new InvalidOperationException(" msg_id too high (similar to the previous case, the client time has to be synchronized, and the message re-sent with the correct msg_id)");
case 18:
throw new InvalidOperationException("incorrect two lower order msg_id bits (the server expects client message msg_id to be divisible by 4)");
case 19:
throw new InvalidOperationException("container msg_id is the same as msg_id of a previously received message (this must never happen)");
case 20:
throw new InvalidOperationException("message too old, and it cannot be verified whether the server has received a message with this msg_id or not");
case 32:
throw new InvalidOperationException("msg_seqno too low (the server has already received a message with a lower msg_id but with either a higher or an equal and odd seqno)");
case 33:
throw new InvalidOperationException(" msg_seqno too high (similarly, there is a message with a higher msg_id but with either a lower or an equal and odd seqno)");
case 34:
throw new InvalidOperationException("an even msg_seqno expected (irrelevant message), but odd received");
case 35:
throw new InvalidOperationException("odd msg_seqno expected (relevant message), but even received");
case 48:
throw new InvalidOperationException("incorrect server salt (in this case, the bad_server_salt response is received with the correct salt, and the message is to be re-sent with it)");
case 64:
throw new InvalidOperationException("invalid container");
}
throw new NotImplementedException("This should never happens");
/*
logger.debug("bad_msg_notification: msgid {0}, seq {1}, errorcode {2}", requestId, requestSequence,
errorCode);
*/
/*
/*
if (!runningRequests.ContainsKey(requestId))
{
logger.debug("bad msg notification on unknown request");
@ -368,28 +368,28 @@ namespace TLSharp.Core.Network
}
*/
//OnBrokenSessionEvent();
//MTProtoRequest request = runningRequests[requestId];
//request.OnException(new MTProtoBadMessageException(errorCode));
//OnBrokenSessionEvent();
//MTProtoRequest request = runningRequests[requestId];
//request.OnException(new MTProtoBadMessageException(errorCode));
return true;
}
return true;
}
private bool HandleBadServerSalt(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
ulong badMsgId = messageReader.ReadUInt64();
int badMsgSeqNo = messageReader.ReadInt32();
int errorCode = messageReader.ReadInt32();
ulong newSalt = messageReader.ReadUInt64();
private bool HandleBadServerSalt(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
ulong badMsgId = messageReader.ReadUInt64();
int badMsgSeqNo = messageReader.ReadInt32();
int errorCode = messageReader.ReadInt32();
ulong newSalt = messageReader.ReadUInt64();
//logger.debug("bad_server_salt: msgid {0}, seq {1}, errorcode {2}, newsalt {3}", badMsgId, badMsgSeqNo, errorCode, newSalt);
//logger.debug("bad_server_salt: msgid {0}, seq {1}, errorcode {2}, newsalt {3}", badMsgId, badMsgSeqNo, errorCode, newSalt);
_session.Salt = newSalt;
_session.Salt = newSalt;
//resend
Send(request);
/*
//resend
Send(request);
/*
if(!runningRequests.ContainsKey(badMsgId)) {
logger.debug("bad server salt on unknown message");
return true;
@ -397,31 +397,31 @@ namespace TLSharp.Core.Network
*/
//MTProtoRequest request = runningRequests[badMsgId];
//request.OnException(new MTProtoBadServerSaltException(salt));
//MTProtoRequest request = runningRequests[badMsgId];
//request.OnException(new MTProtoBadServerSaltException(salt));
return true;
}
return true;
}
private bool HandleMsgsAck(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandleMsgsAck(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandleNewSessionCreated(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandleNewSessionCreated(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandleFutureSalts(ulong messageId, int sequence, BinaryReader messageReader)
{
uint code = messageReader.ReadUInt32();
ulong requestId = messageReader.ReadUInt64();
private bool HandleFutureSalts(ulong messageId, int sequence, BinaryReader messageReader)
{
uint code = messageReader.ReadUInt32();
ulong requestId = messageReader.ReadUInt64();
messageReader.BaseStream.Position -= 12;
messageReader.BaseStream.Position -= 12;
throw new NotImplementedException("Handle future server salts function isn't implemented.");
/*
throw new NotImplementedException("Handle future server salts function isn't implemented.");
/*
if (!runningRequests.ContainsKey(requestId))
{
logger.info("future salts on unknown request");
@ -429,53 +429,53 @@ namespace TLSharp.Core.Network
}
*/
// MTProtoRequest request = runningRequests[requestId];
// runningRequests.Remove(requestId);
// request.OnResponse(messageReader);
// MTProtoRequest request = runningRequests[requestId];
// runningRequests.Remove(requestId);
// request.OnResponse(messageReader);
return true;
}
return true;
}
private bool HandlePong(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandlePong(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandlePing(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandlePing(ulong messageId, int sequence, BinaryReader messageReader)
{
return false;
}
private bool HandleContainer(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
int size = messageReader.ReadInt32();
for (int i = 0; i < size; i++)
{
ulong innerMessageId = messageReader.ReadUInt64();
int innerSequence = messageReader.ReadInt32();
int innerLength = messageReader.ReadInt32();
long beginPosition = messageReader.BaseStream.Position;
try
{
if (!processMessage(innerMessageId, sequence, messageReader, request))
{
messageReader.BaseStream.Position = beginPosition + innerLength;
}
}
catch (Exception e)
{
// logger.error("failed to process message in contailer: {0}", e);
messageReader.BaseStream.Position = beginPosition + innerLength;
}
}
private bool HandleContainer(ulong messageId, int sequence, BinaryReader messageReader, MTProtoRequest request)
{
uint code = messageReader.ReadUInt32();
int size = messageReader.ReadInt32();
for (int i = 0; i < size; i++)
{
ulong innerMessageId = messageReader.ReadUInt64();
int innerSequence = messageReader.ReadInt32();
int innerLength = messageReader.ReadInt32();
long beginPosition = messageReader.BaseStream.Position;
try
{
if (!processMessage(innerMessageId, sequence, messageReader, request))
{
messageReader.BaseStream.Position = beginPosition + innerLength;
}
}
catch (Exception e)
{
// logger.error("failed to process message in contailer: {0}", e);
messageReader.BaseStream.Position = beginPosition + innerLength;
}
}
return false;
}
return false;
}
private MemoryStream makeMemory(int len)
{
return new MemoryStream(new byte[len], 0, len, true, true);
}
}
private MemoryStream makeMemory(int len)
{
return new MemoryStream(new byte[len], 0, len, true, true);
}
}
}

118
TLSharp.Core/Network/TcpMessage.cs
View file

@ -4,83 +4,83 @@ using Ionic.Crc;
namespace TLSharp.Core.Network
{
public class TcpMessage
{
public int SequneceNumber { get; private set; }
public byte[] Body { get; private set; }
public class TcpMessage
{
public int SequneceNumber { get; private set; }
public byte[] Body { get; private set; }
public TcpMessage(int seqNumber, byte[] body)
{
if (body == null)
throw new ArgumentNullException(nameof(body));
public TcpMessage(int seqNumber, byte[] body)
{
if (body == null)
throw new ArgumentNullException(nameof(body));
SequneceNumber = seqNumber;
Body = body;
}
SequneceNumber = seqNumber;
Body = body;
}
public byte[] Encode()
{
using (var memoryStream = new MemoryStream())
{
using (var binaryWriter = new BinaryWriter(memoryStream))
{
// https://core.telegram.org/mtproto#tcp-transport
/*
public byte[] Encode()
{
using (var memoryStream = new MemoryStream())
{
using (var binaryWriter = new BinaryWriter(memoryStream))
{
// https://core.telegram.org/mtproto#tcp-transport
/*
4 length bytes are added at the front
(to include the length, the sequence number, and CRC32; always divisible by 4)
and 4 bytes with the packet sequence number within this TCP connection
(the first packet sent is numbered 0, the next one 1, etc.),
and 4 CRC32 bytes at the end (length, sequence number, and payload together).
*/
binaryWriter.Write(Body.Length + 12);
binaryWriter.Write(SequneceNumber);
binaryWriter.Write(Body);
var crc32 = new CRC32();
crc32.SlurpBlock(memoryStream.GetBuffer(), 0, 8 + Body.Length);
binaryWriter.Write(crc32.Crc32Result);
binaryWriter.Write(Body.Length + 12);
binaryWriter.Write(SequneceNumber);
binaryWriter.Write(Body);
var crc32 = new CRC32();
crc32.SlurpBlock(memoryStream.GetBuffer(), 0, 8 + Body.Length);
binaryWriter.Write(crc32.Crc32Result);
var transportPacket = memoryStream.ToArray();
var transportPacket = memoryStream.ToArray();
// Debug.WriteLine("Tcp packet #{0}\n{1}", SequneceNumber, BitConverter.ToString(transportPacket));
// Debug.WriteLine("Tcp packet #{0}\n{1}", SequneceNumber, BitConverter.ToString(transportPacket));
return transportPacket;
}
}
}
return transportPacket;
}
}
}
public static TcpMessage Decode(byte[] body)
{
if (body == null)
throw new ArgumentNullException(nameof(body));
public static TcpMessage Decode(byte[] body)
{
if (body == null)
throw new ArgumentNullException(nameof(body));
if (body.Length < 12)
throw new InvalidOperationException("Ops, wrong size of input packet");
if (body.Length < 12)
throw new InvalidOperationException("Ops, wrong size of input packet");
using (var memoryStream = new MemoryStream(body))
{
using (var binaryReader = new BinaryReader(memoryStream))
{
var packetLength = binaryReader.ReadInt32();
using (var memoryStream = new MemoryStream(body))
{
using (var binaryReader = new BinaryReader(memoryStream))
{
var packetLength = binaryReader.ReadInt32();
if (packetLength < 12)
throw new InvalidOperationException(string.Format("invalid packet length: {0}", packetLength));
if (packetLength < 12)
throw new InvalidOperationException(string.Format("invalid packet length: {0}", packetLength));
var seq = binaryReader.ReadInt32();
byte[] packet = binaryReader.ReadBytes(packetLength - 12);
var checksum = (int)binaryReader.ReadInt32();
var seq = binaryReader.ReadInt32();
byte[] packet = binaryReader.ReadBytes(packetLength - 12);
var checksum = (int)binaryReader.ReadInt32();
var crc32 = new CRC32();
crc32.SlurpBlock(body, 0, packetLength - 4);
var validChecksum = crc32.Crc32Result;
var crc32 = new CRC32();
crc32.SlurpBlock(body, 0, packetLength - 4);
var validChecksum = crc32.Crc32Result;
if (checksum != validChecksum)
{
throw new InvalidOperationException("invalid checksum! skip");
}
if (checksum != validChecksum)
{
throw new InvalidOperationException("invalid checksum! skip");
}
return new TcpMessage(seq, packet);
}
}
}
}
return new TcpMessage(seq, packet);
}
}
}
}
}

54
TLSharp.Core/Network/TcpTransport.cs
View file

@ -6,30 +6,30 @@ using System.Threading.Tasks;
namespace TLSharp.Core.Network
{
public class TcpTransport : IDisposable
{
private readonly TcpClient _tcpClient;
private int sendCounter = 0;
public class TcpTransport : IDisposable
{
private readonly TcpClient _tcpClient;
private int sendCounter = 0;
public TcpTransport(string address, int port)
{
_tcpClient = new TcpClient();
var ipAddress = IPAddress.Parse(address);
_tcpClient.Connect(ipAddress, port);
}
public TcpTransport(string address, int port)
{
_tcpClient = new TcpClient();
public async Task Send(byte[] packet)
{
if (!_tcpClient.Connected)
throw new InvalidOperationException("Client not connected to server.");
var ipAddress = IPAddress.Parse(address);
_tcpClient.Connect(ipAddress, port);
}
var tcpMessage = new TcpMessage(sendCounter, packet);
public async Task Send(byte[] packet)
{
if (!_tcpClient.Connected)
throw new InvalidOperationException("Client not connected to server.");
var tcpMessage = new TcpMessage(sendCounter, packet);
await _tcpClient.GetStream().WriteAsync(tcpMessage.Encode(), 0, tcpMessage.Encode().Length);
sendCounter++;
}
await _tcpClient.GetStream().WriteAsync(tcpMessage.Encode(), 0, tcpMessage.Encode().Length);
sendCounter++;
}
public async Task<TcpMessage> Receieve()
{
var stream = _tcpClient.GetStream();
@ -59,7 +59,7 @@ namespace TLSharp.Core.Network
while (readBytes != packetLength - 12);
var crcBytes = new byte[4];
if(await stream.ReadAsync(crcBytes, 0, 4) != 4)
if (await stream.ReadAsync(crcBytes, 0, 4) != 4)
throw new InvalidOperationException("Couldn't read the crc");
int checksum = BitConverter.ToInt32(crcBytes, 0);
@ -80,10 +80,10 @@ namespace TLSharp.Core.Network
return new TcpMessage(seq, body);
}
public void Dispose()
{
if (_tcpClient.Connected)
_tcpClient.Close();
}
}
public void Dispose()
{
if (_tcpClient.Connected)
_tcpClient.Close();
}
}
}

56
TLSharp.Core/Requests/AckRequest.cs
View file

@ -4,36 +4,36 @@ using System.IO;
namespace TLSharp.Core.Requests
{
public class AckRequest : MTProtoRequest
{
private readonly List<ulong> _msgs;
public AckRequest(List<ulong> msgs)
{
_msgs = msgs;
}
public class AckRequest : MTProtoRequest
{
private readonly List<ulong> _msgs;
public AckRequest(List<ulong> msgs)
{
_msgs = msgs;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x62d6b459); // msgs_ack
writer.Write(0x1cb5c415); // Vector
writer.Write(_msgs.Count);
foreach (ulong messageId in _msgs)
{
writer.Write(messageId);
}
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x62d6b459); // msgs_ack
writer.Write(0x1cb5c415); // Vector
writer.Write(_msgs.Count);
foreach (ulong messageId in _msgs)
{
writer.Write(messageId);
}
}
public override void OnResponse(BinaryReader reader)
{
//throw new NotImplementedException();
}
public override void OnResponse(BinaryReader reader)
{
//throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => false;
public override bool Responded { get; }
}
public override bool Confirmed => false;
public override bool Responded { get; }
}
}

2
TLSharp.Core/Requests/AddChatUserRequest.cs
View file

@ -12,7 +12,7 @@ namespace TLSharp.Core.Requests
private InputUserContactConstructor _user;
private string _title;
public Messages_statedMessageConstructor message;
public AddChatUserRequest(int chatID, InputUserContactConstructor user)
{

54
TLSharp.Core/Requests/AuthCheckPhoneRequest.cs
View file

@ -4,36 +4,36 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
public class AuthCheckPhoneRequest : MTProtoRequest
{
private string _phoneNumber;
public bool _phoneRegistered;
private bool _phoneInvited;
public class AuthCheckPhoneRequest : MTProtoRequest
{
private string _phoneNumber;
public bool _phoneRegistered;
private bool _phoneInvited;
public AuthCheckPhoneRequest(string phoneNumber)
{
_phoneNumber = phoneNumber;
}
public AuthCheckPhoneRequest(string phoneNumber)
{
_phoneNumber = phoneNumber;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x6fe51dfb);
Serializers.String.write(writer, _phoneNumber);
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x6fe51dfb);
Serializers.String.write(writer, _phoneNumber);
}
public override void OnResponse(BinaryReader reader)
{
var dataCode = reader.ReadUInt32(); // #e300cc3b
this._phoneRegistered = reader.ReadUInt32() == 0x997275b5;
this._phoneInvited = reader.ReadUInt32() == 0x997275b5;
}
public override void OnResponse(BinaryReader reader)
{
var dataCode = reader.ReadUInt32(); // #e300cc3b
this._phoneRegistered = reader.ReadUInt32() == 0x997275b5;
this._phoneInvited = reader.ReadUInt32() == 0x997275b5;
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

84
TLSharp.Core/Requests/AuthSendCodeRequest.cs
View file

@ -4,51 +4,51 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
public class AuthSendCodeRequest : MTProtoRequest
{
private readonly string _phoneNumber;
private readonly int _smsType;
private readonly int _apiId;
private readonly string _apiHash;
private readonly string _langCode;
public bool _phoneRegistered;
public string _phoneCodeHash;
public class AuthSendCodeRequest : MTProtoRequest
{
private readonly string _phoneNumber;
private readonly int _smsType;
private readonly int _apiId;
private readonly string _apiHash;
private readonly string _langCode;
public bool _phoneRegistered;
public string _phoneCodeHash;
public AuthSendCodeRequest(string phoneNumber, int smsType, int apiId, string apiHash, string langCode)
{
_phoneNumber = phoneNumber;
_smsType = smsType;
_apiId = apiId;
_apiHash = apiHash;
_langCode = langCode;
}
public AuthSendCodeRequest(string phoneNumber, int smsType, int apiId, string apiHash, string langCode)
{
_phoneNumber = phoneNumber;
_smsType = smsType;
_apiId = apiId;
_apiHash = apiHash;
_langCode = langCode;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x768d5f4d);
Serializers.String.write(writer, _phoneNumber);
writer.Write(_smsType);
writer.Write(_apiId);
Serializers.String.write(writer, _apiHash);
Serializers.String.write(writer, _langCode);
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x768d5f4d);
Serializers.String.write(writer, _phoneNumber);
writer.Write(_smsType);
writer.Write(_apiId);
Serializers.String.write(writer, _apiHash);
Serializers.String.write(writer, _langCode);
}
public override void OnResponse(BinaryReader reader)
{
var boolTrue = 0x997275b5;
var dataCode = reader.ReadUInt32(); // 0x2215bcbd
_phoneRegistered = reader.ReadUInt32() == boolTrue;
_phoneCodeHash = Serializers.String.read(reader);
var sendCodeTimeout = reader.ReadInt32();
var isPassword = reader.ReadUInt32() == boolTrue;
}
public override void OnResponse(BinaryReader reader)
{
var boolTrue = 0x997275b5;
var dataCode = reader.ReadUInt32(); // 0x2215bcbd
_phoneRegistered = reader.ReadUInt32() == boolTrue;
_phoneCodeHash = Serializers.String.read(reader);
var sendCodeTimeout = reader.ReadInt32();
var isPassword = reader.ReadUInt32() == boolTrue;
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

66
TLSharp.Core/Requests/AuthSignInRequest.cs
View file

@ -4,42 +4,42 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
public class AuthSignInRequest : MTProtoRequest
{
private readonly string _phoneNumber;
private readonly string _phoneCodeHash;
private readonly string _code;
public User user;
public int SessionExpires;
public class AuthSignInRequest : MTProtoRequest
{
private readonly string _phoneNumber;
private readonly string _phoneCodeHash;
private readonly string _code;
public User user;
public int SessionExpires;
public AuthSignInRequest(string phoneNumber, string phoneCodeHash, string code)
{
_phoneNumber = phoneNumber;
_phoneCodeHash = phoneCodeHash;
_code = code;
}
public AuthSignInRequest(string phoneNumber, string phoneCodeHash, string code)
{
_phoneNumber = phoneNumber;
_phoneCodeHash = phoneCodeHash;
_code = code;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xbcd51581);
Serializers.String.write(writer, _phoneNumber);
Serializers.String.write(writer, _phoneCodeHash);
Serializers.String.write(writer, _code);
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xbcd51581);
Serializers.String.write(writer, _phoneNumber);
Serializers.String.write(writer, _phoneCodeHash);
Serializers.String.write(writer, _code);
}
public override void OnResponse(BinaryReader reader)
{
var dataCode = reader.ReadUInt32(); //0xf6b673a4
var expires = reader.ReadInt32();
user = TL.Parse<User>(reader);
}
public override void OnResponse(BinaryReader reader)
{
var dataCode = reader.ReadUInt32(); //0xf6b673a4
var expires = reader.ReadInt32();
user = TL.Parse<User>(reader);
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

2
TLSharp.Core/Requests/DeleteChatUserRequest.cs
View file

@ -12,7 +12,7 @@ namespace TLSharp.Core.Requests
private InputUserContactConstructor _user;
private string _title;
public Messages_statedMessageConstructor message;
public DeleteChatUserRequest(int chatID, InputUserContactConstructor user)
{

4
TLSharp.Core/Requests/GetDialogsRequest.cs
View file

@ -22,7 +22,7 @@ namespace TLSharp.Core.Requests
_max_id = max_id;
_limit = limit;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xeccf1df6);
@ -30,7 +30,7 @@ namespace TLSharp.Core.Requests
writer.Write(_max_id);
writer.Write(_limit);
}
public override void OnResponse(BinaryReader reader)
{
bool dialogsSlice = reader.ReadUInt32() == 0x71e094f3; // else dialogs#15ba6c40

4
TLSharp.Core/Requests/GetFileRequest.cs
View file

@ -28,11 +28,11 @@ namespace TLSharp.Core.Requests
writer.Write(_offset);
writer.Write(_limit);
}
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32(); // upload.file#96a18d5
type = TL.Parse<storage_FileType>(reader);
mtime = reader.ReadInt32();
bytes = reader.ReadBytes(_limit);

104
TLSharp.Core/Requests/GetHistoryRequest.cs
View file

@ -5,59 +5,59 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
class GetHistoryRequest : MTProtoRequest
{
InputPeer _peer;
int _offset;
int _max_id;
int _limit;
class GetHistoryRequest : MTProtoRequest
{
InputPeer _peer;
int _offset;
int _max_id;
int _limit;
public List<Message> messages;
public List<Chat> chats;
public List<User> users;
public List<Message> messages;
public List<Chat> chats;
public List<User> users;
public GetHistoryRequest(InputPeer peer, int offset, int max_id, int limit)
{
_peer = peer;
_offset = offset;
_max_id = max_id;
_limit = limit;
}
public GetHistoryRequest(InputPeer peer, int offset, int max_id, int limit)
{
_peer = peer;
_offset = offset;
_max_id = max_id;
_limit = limit;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x92a1df2f);
_peer.Write(writer);
writer.Write(_offset);
writer.Write(_max_id);
writer.Write(_limit);
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0x92a1df2f);
_peer.Write(writer);
writer.Write(_offset);
writer.Write(_max_id);
writer.Write(_limit);
}
public override void OnResponse(BinaryReader reader)
{
bool messagesSlice = reader.ReadUInt32() == 0xb446ae3; // else messages#8c718e87
public override void OnResponse(BinaryReader reader)
{
bool messagesSlice = reader.ReadUInt32() == 0xb446ae3; // else messages#8c718e87
if (messagesSlice) reader.ReadInt32(); // count
if (messagesSlice) reader.ReadInt32(); // count
// messages
var result = reader.ReadUInt32(); // vector#1cb5c415
int messages_len = reader.ReadInt32();
messages = new List<Message>(messages_len);
for (var i = 0; i < messages_len; i++)
{
var msgEl = TL.Parse<Message>(reader);
// messages
var result = reader.ReadUInt32(); // vector#1cb5c415
int messages_len = reader.ReadInt32();
messages = new List<Message>(messages_len);
for (var i = 0; i < messages_len; i++)
{
var msgEl = TL.Parse<Message>(reader);
messages.Add(msgEl);
}
messages.Add(msgEl);
}
// chats
reader.ReadUInt32();
int chats_len = reader.ReadInt32();
chats = new List<Chat>(chats_len);
for (int i = 0; i < chats_len; i++)
chats.Add(TL.Parse<Chat>(reader));
// chats
reader.ReadUInt32();
int chats_len = reader.ReadInt32();
chats = new List<Chat>(chats_len);
for (int i = 0; i < chats_len; i++)
chats.Add(TL.Parse<Chat>(reader));
/*
/*
// users
reader.ReadUInt32();
int users_len = reader.ReadInt32();
@ -65,14 +65,14 @@ namespace TLSharp.Core.Requests
for (int i = 0; i < users_len; i++)
users.Add(TL.Parse<User>(reader));
*/
}
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

50
TLSharp.Core/Requests/ImportByUserName.cs
View file

@ -4,33 +4,33 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
public class ImportByUserName : MTProtoRequest
{
private readonly string _userName;
public int id { get; private set; }
public ImportByUserName(string userName)
{
_userName = userName;
}
public class ImportByUserName : MTProtoRequest
{
private readonly string _userName;
public int id { get; private set; }
public ImportByUserName(string userName)
{
_userName = userName;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xBF0131C);
Serializers.String.write(writer, _userName);
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xBF0131C);
Serializers.String.write(writer, _userName);
}
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32();
id = reader.ReadInt32();
}
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32();
id = reader.ReadInt32();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

98
TLSharp.Core/Requests/ImportContactRequest.cs
View file

@ -5,58 +5,58 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
public class ImportContactRequest : MTProtoRequest
{
private InputContact Contact { get; set; }
private bool Replace { get; set; }
public class ImportContactRequest : MTProtoRequest
{
private InputContact Contact { get; set; }
private bool Replace { get; set; }
public List<ImportedContact> imported;
public List<User> users;
public List<ImportedContact> imported;
public List<User> users;
public ImportContactRequest(InputContact contact, bool shouldReplace = true)
{
Contact = contact;
Replace = shouldReplace;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xda30b32d);
writer.Write(0x1cb5c415);
writer.Write(1);
Contact.Write(writer);
writer.Write(Replace ? 0x997275b5 : 0xbc799737);
}
public ImportContactRequest(InputContact contact, bool shouldReplace = true)
{
Contact = contact;
Replace = shouldReplace;
}
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32();
var result = reader.ReadInt32(); // vector code
int imported_len = reader.ReadInt32();
this.imported = new List<ImportedContact>(imported_len);
for (int imported_index = 0; imported_index < imported_len; imported_index++)
{
ImportedContact imported_element;
imported_element = TL.Parse<ImportedContact>(reader);
this.imported.Add(imported_element);
}
reader.ReadInt32(); // vector code
int users_len = reader.ReadInt32();
this.users = new List<User>(users_len);
for (int users_index = 0; users_index < users_len; users_index++)
{
User users_element;
users_element = TL.Parse<User>(reader);
this.users.Add(users_element);
}
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xda30b32d);
writer.Write(0x1cb5c415);
writer.Write(1);
Contact.Write(writer);
writer.Write(Replace ? 0x997275b5 : 0xbc799737);
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32();
var result = reader.ReadInt32(); // vector code
int imported_len = reader.ReadInt32();
this.imported = new List<ImportedContact>(imported_len);
for (int imported_index = 0; imported_index < imported_len; imported_index++)
{
ImportedContact imported_element;
imported_element = TL.Parse<ImportedContact>(reader);
this.imported.Add(imported_element);
}
reader.ReadInt32(); // vector code
int users_len = reader.ReadInt32();
this.users = new List<User>(users_len);
for (int users_index = 0; users_index < users_len; users_index++)
{
User users_element;
users_element = TL.Parse<User>(reader);
this.users.Add(users_element);
}
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

80
TLSharp.Core/Requests/InitConnectionRequest.cs
View file

@ -4,53 +4,53 @@ using TLSharp.Core.MTProto;
namespace TLSharp.Core.Requests
{
public class InitConnectionRequest : MTProtoRequest
{
private int _apiId;
public ConfigConstructor ConfigConstructor { get; set; }
public class InitConnectionRequest : MTProtoRequest
{
private int _apiId;
public ConfigConstructor ConfigConstructor { get; set; }
public InitConnectionRequest(int apiId)
{
_apiId = apiId;
}
public InitConnectionRequest(int apiId)
{
_apiId = apiId;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xda9b0d0d);
writer.Write(23);// invokeWithLayer23#1c900537
writer.Write(0x69796de9); // initConnection
writer.Write(_apiId); // api id
Serializers.String.write(writer, "WinPhone Emulator"); // device model
Serializers.String.write(writer, "WinPhone 8.0"); // system version
Serializers.String.write(writer, "1.0-SNAPSHOT"); // app version
Serializers.String.write(writer, "en"); // lang code
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xda9b0d0d);
writer.Write(23);// invokeWithLayer23#1c900537
writer.Write(0x69796de9); // initConnection
writer.Write(_apiId); // api id
Serializers.String.write(writer, "WinPhone Emulator"); // device model
Serializers.String.write(writer, "WinPhone 8.0"); // system version
Serializers.String.write(writer, "1.0-SNAPSHOT"); // app version
Serializers.String.write(writer, "en"); // lang code
writer.Write(0xc4f9186b); // help.getConfig
}
writer.Write(0xc4f9186b); // help.getConfig
}
public override void OnResponse(BinaryReader reader)
{
uint code = reader.ReadUInt32();
ConfigConstructor config = new ConfigConstructor();
config.Read(reader);
public override void OnResponse(BinaryReader reader)
{
uint code = reader.ReadUInt32();
ConfigConstructor config = new ConfigConstructor();
config.Read(reader);
ConfigConstructor = config;
}
ConfigConstructor = config;
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Responded
{
get { return true; }
}
public override bool Responded
{
get { return true; }
}
public override void OnSendSuccess()
{
public override void OnSendSuccess()
{
}
public override bool Confirmed => true;
}
}
public override bool Confirmed => true;
}
}

68
TLSharp.Core/Requests/MTProtoRequest.cs
View file

@ -3,44 +3,44 @@ using System.IO;
namespace TLSharp.Core.Requests
{
public abstract class MTProtoRequest
{
public MTProtoRequest()
{
Sended = false;
}
public abstract class MTProtoRequest
{
public MTProtoRequest()
{
Sended = false;
}
public long MessageId { get; set; }
public int Sequence { get; set; }
public long MessageId { get; set; }
public int Sequence { get; set; }
public bool Dirty { get; set; }
public bool Dirty { get; set; }
public bool Sended { get; private set; }
public DateTime SendTime { get; private set; }
public bool ConfirmReceived { get; set; }
public abstract void OnSend(BinaryWriter writer);
public abstract void OnResponse(BinaryReader reader);
public abstract void OnException(Exception exception);
public abstract bool Confirmed { get; }
public abstract bool Responded { get; }
public bool Sended { get; private set; }
public DateTime SendTime { get; private set; }
public bool ConfirmReceived { get; set; }
public abstract void OnSend(BinaryWriter writer);
public abstract void OnResponse(BinaryReader reader);
public abstract void OnException(Exception exception);
public abstract bool Confirmed { get; }
public abstract bool Responded { get; }
public virtual void OnSendSuccess()
{
SendTime = DateTime.Now;
Sended = true;
}
public virtual void OnSendSuccess()
{
SendTime = DateTime.Now;
Sended = true;
}
public virtual void OnConfirm()
{
ConfirmReceived = true;
}
public virtual void OnConfirm()
{
ConfirmReceived = true;
}
public bool NeedResend
{
get
{
return Dirty || (Confirmed && !ConfirmReceived && DateTime.Now - SendTime > TimeSpan.FromSeconds(3));
}
}
}
public bool NeedResend
{
get
{
return Dirty || (Confirmed && !ConfirmReceived && DateTime.Now - SendTime > TimeSpan.FromSeconds(3));
}
}
}
}

4
TLSharp.Core/Requests/Message_SendMediaRequest.cs
View file

@ -22,7 +22,7 @@ namespace TLSharp.Core.Requests
this.inputPeer = inputPeer;
this.inputMedia = inputMedia;
}
public override void OnSend(BinaryWriter writer)
{
writer.Write(0xa3c85d76);
@ -34,7 +34,7 @@ namespace TLSharp.Core.Requests
public override void OnResponse(BinaryReader reader)
{
}
public override void OnException(Exception exception)

64
TLSharp.Core/Requests/SendMessageRequest.cs
View file

@ -5,42 +5,42 @@ using TLSharp.Core.Utils;
namespace TLSharp.Core.Requests
{
public class SendMessageRequest : MTProtoRequest
{
private InputPeer _peer;
private string _message;
public class SendMessageRequest : MTProtoRequest
{
private InputPeer _peer;
private string _message;
public SendMessageRequest(InputPeer peer, string message)
{
_peer = peer;
_message = message;
}
public SendMessageRequest(InputPeer peer, string message)
{
_peer = peer;
_message = message;
}
public override void OnSend(BinaryWriter writer)
{
long random_id = Helpers.GenerateRandomLong();
writer.Write(0x4cde0aab);
_peer.Write(writer);
Serializers.String.write(writer, _message);
writer.Write(random_id);
}
public override void OnSend(BinaryWriter writer)
{
long random_id = Helpers.GenerateRandomLong();
writer.Write(0x4cde0aab);
_peer.Write(writer);
Serializers.String.write(writer, _message);
writer.Write(random_id);
}
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32();
public override void OnResponse(BinaryReader reader)
{
var code = reader.ReadUInt32();
var id = reader.ReadInt32();
var date = reader.ReadInt32();
var pts = reader.ReadInt32();
var seq = reader.ReadInt32();
}
var id = reader.ReadInt32();
var date = reader.ReadInt32();
var pts = reader.ReadInt32();
var seq = reader.ReadInt32();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override void OnException(Exception exception)
{
throw new NotImplementedException();
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
public override bool Confirmed => true;
public override bool Responded { get; }
}
}

2
TLSharp.Core/Requests/Upload_SaveFilePartRequest.cs
View file

@ -30,7 +30,7 @@ namespace TLSharp.Core.Requests
if (code != 0xbc799737 && code != 0x997275b5)
throw new InvalidOperationException($"Expected Tl Bool type");
Done = code == 0x997275b5 ? true : false;
}

330
TLSharp.Core/Session.cs
View file

@ -5,194 +5,194 @@ using TLSharp.Core.MTProto.Crypto;
namespace TLSharp.Core
{
public interface ISessionStore
{
void Save(Session session);
Session Load(string sessionUserId);
}
public interface ISessionStore
{
void Save(Session session);
Session Load(string sessionUserId);
}
public class FileSessionStore : ISessionStore
{
public void Save(Session session)
{
using (var stream = new FileStream($"{session.SessionUserId}.dat", FileMode.OpenOrCreate))
{
var result = session.ToBytes();
stream.Write(result, 0, result.Length);
}
}
public class FileSessionStore : ISessionStore
{
public void Save(Session session)
{
using (var stream = new FileStream($"{session.SessionUserId}.dat", FileMode.OpenOrCreate))
{
var result = session.ToBytes();
stream.Write(result, 0, result.Length);
}
}
public Session Load(string sessionUserId)
{
using (var stream = new FileStream($"{sessionUserId}.dat", FileMode.Open))
{
var buffer = new byte[2048];
stream.Read(buffer, 0, 2048);
public Session Load(string sessionUserId)
{
using (var stream = new FileStream($"{sessionUserId}.dat", FileMode.Open))
{
var buffer = new byte[2048];
stream.Read(buffer, 0, 2048);
return Session.FromBytes(buffer, this, sessionUserId);
}
}
}
return Session.FromBytes(buffer, this, sessionUserId);
}
}
}
public class FakeSessionStore : ISessionStore
{
public void Save(Session session)
{
}
public class FakeSessionStore : ISessionStore
{
public void Save(Session session)
{
public Session Load(string sessionUserId)
{
throw new NotImplementedException();
}
}
}
public class Session
{
private const string defaultConnectionAddress = "91.108.56.165";
private const int defaultConnectionPort = 443;
public Session Load(string sessionUserId)
{
throw new NotImplementedException();
}
}
public string SessionUserId { get; set; }
public string ServerAddress { get; set; }
public int Port { get; set; }
public AuthKey AuthKey { get; set; }
public ulong Id { get; set; }
public int Sequence { get; set; }
public ulong Salt { get; set; }
public int TimeOffset { get; set; }
public long LastMessageId { get; set; }
public int SessionExpires { get; set; }
public User User { get; set; }
private Random random;
public class Session
{
private const string defaultConnectionAddress = "91.108.56.165";
private const int defaultConnectionPort = 443;
private ISessionStore _store;
public string SessionUserId { get; set; }
public string ServerAddress { get; set; }
public int Port { get; set; }
public AuthKey AuthKey { get; set; }
public ulong Id { get; set; }
public int Sequence { get; set; }
public ulong Salt { get; set; }
public int TimeOffset { get; set; }
public long LastMessageId { get; set; }
public int SessionExpires { get; set; }
public User User { get; set; }
private Random random;
private Session(ISessionStore store)
{
random = new Random();
_store = store;
}
private ISessionStore _store;
public byte[] ToBytes()
{
using (var stream = new MemoryStream())
using (var writer = new BinaryWriter(stream))
{
writer.Write(Id);
writer.Write(Sequence);
writer.Write(Salt);
writer.Write(LastMessageId);
writer.Write(TimeOffset);
Serializers.String.write(writer, ServerAddress);
writer.Write(Port);
private Session(ISessionStore store)
{
random = new Random();
_store = store;
}
if (User != null)
{
writer.Write(1);
writer.Write(SessionExpires);
User.Write(writer);
}
else
{
writer.Write(0);
}
public byte[] ToBytes()
{
using (var stream = new MemoryStream())
using (var writer = new BinaryWriter(stream))
{
writer.Write(Id);
writer.Write(Sequence);
writer.Write(Salt);
writer.Write(LastMessageId);
writer.Write(TimeOffset);
Serializers.String.write(writer, ServerAddress);
writer.Write(Port);
Serializers.Bytes.write(writer, AuthKey.Data);
if (User != null)
{
writer.Write(1);
writer.Write(SessionExpires);
User.Write(writer);
}
else
{
writer.Write(0);
}
return stream.ToArray();
}
}
Serializers.Bytes.write(writer, AuthKey.Data);
public static Session FromBytes(byte[] buffer, ISessionStore store, string sessionUserId)
{
using (var stream = new MemoryStream(buffer))
using (var reader = new BinaryReader(stream))
{
var id = reader.ReadUInt64();
var sequence = reader.ReadInt32();
var salt = reader.ReadUInt64();
var lastMessageId = reader.ReadInt64();
var timeOffset = reader.ReadInt32();
var serverAddress = Serializers.String.read(reader);
var port = reader.ReadInt32();
return stream.ToArray();
}
}
var isAuthExsist = reader.ReadInt32() == 1;
int sessionExpires = 0;
User user = null;
if (isAuthExsist)
{
sessionExpires = reader.ReadInt32();
user = TL.Parse<User>(reader);
}
public static Session FromBytes(byte[] buffer, ISessionStore store, string sessionUserId)
{
using (var stream = new MemoryStream(buffer))
using (var reader = new BinaryReader(stream))
{
var id = reader.ReadUInt64();
var sequence = reader.ReadInt32();
var salt = reader.ReadUInt64();
var lastMessageId = reader.ReadInt64();
var timeOffset = reader.ReadInt32();
var serverAddress = Serializers.String.read(reader);
var port = reader.ReadInt32();
var authData = Serializers.Bytes.read(reader);
var isAuthExsist = reader.ReadInt32() == 1;
int sessionExpires = 0;
User user = null;
if (isAuthExsist)
{
sessionExpires = reader.ReadInt32();
user = TL.Parse<User>(reader);
}
return new Session(store)
{
AuthKey = new AuthKey(authData),
Id = id,
Salt = salt,
Sequence = sequence,
LastMessageId = lastMessageId,
TimeOffset = timeOffset,
SessionExpires = sessionExpires,
User = user,
SessionUserId = sessionUserId,
ServerAddress = serverAddress,
Port = port
};
}
}
var authData = Serializers.Bytes.read(reader);
public void Save()
{
_store.Save(this);
}
return new Session(store)
{
AuthKey = new AuthKey(authData),
Id = id,
Salt = salt,
Sequence = sequence,
LastMessageId = lastMessageId,
TimeOffset = timeOffset,
SessionExpires = sessionExpires,
User = user,
SessionUserId = sessionUserId,
ServerAddress = serverAddress,
Port = port
};
}
}
public static Session TryLoadOrCreateNew(ISessionStore store, string sessionUserId)
{
Session session;
public void Save()
{
_store.Save(this);
}
try
{
session = store.Load(sessionUserId);
}
catch
{
session = new Session(store)
{
Id = GenerateRandomUlong(),
SessionUserId = sessionUserId,
ServerAddress = defaultConnectionAddress,
Port = defaultConnectionPort
};
}
public static Session TryLoadOrCreateNew(ISessionStore store, string sessionUserId)
{
Session session;
return session;
}
try
{
session = store.Load(sessionUserId);
}
catch
{
session = new Session(store)
{
Id = GenerateRandomUlong(),
SessionUserId = sessionUserId,
ServerAddress = defaultConnectionAddress,
Port = defaultConnectionPort
};
}
private static ulong GenerateRandomUlong()
{
var random = new Random();
ulong rand = (((ulong)random.Next()) << 32) | ((ulong)random.Next());
return rand;
}
return session;
}
public long GetNewMessageId()
{
long time = Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds);
long newMessageId = ((time / 1000 + TimeOffset) << 32) |
((time % 1000) << 22) |
(random.Next(524288) << 2); // 2^19
// [ unix timestamp : 32 bit] [ milliseconds : 10 bit ] [ buffer space : 1 bit ] [ random : 19 bit ] [ msg_id type : 2 bit ] = [ msg_id : 64 bit ]
private static ulong GenerateRandomUlong()
{
var random = new Random();
ulong rand = (((ulong)random.Next()) << 32) | ((ulong)random.Next());
return rand;
}
if (LastMessageId >= newMessageId)
{
newMessageId = LastMessageId + 4;
}
public long GetNewMessageId()
{
long time = Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds);
long newMessageId = ((time / 1000 + TimeOffset) << 32) |
((time % 1000) << 22) |
(random.Next(524288) << 2); // 2^19
// [ unix timestamp : 32 bit] [ milliseconds : 10 bit ] [ buffer space : 1 bit ] [ random : 19 bit ] [ msg_id type : 2 bit ] = [ msg_id : 64 bit ]
LastMessageId = newMessageId;
return newMessageId;
}
}
if (LastMessageId >= newMessageId)
{
newMessageId = LastMessageId + 4;
}
LastMessageId = newMessageId;
return newMessageId;
}
}
}

360
TLSharp.Core/TelegramClient.cs
View file

@ -13,237 +13,237 @@ using MD5 = System.Security.Cryptography.MD5;
namespace TLSharp.Core
{
public class TelegramClient
{
private MtProtoSender _sender;
private AuthKey _key;
private TcpTransport _transport;
private string _apiHash = "a2514f96431a228e4b9ee473f6c51945";
private int _apiId = 19474;
private Session _session;
private List<DcOption> dcOptions;
public class TelegramClient
{
private MtProtoSender _sender;
private AuthKey _key;
private TcpTransport _transport;
private string _apiHash = "a2514f96431a228e4b9ee473f6c51945";
private int _apiId = 19474;
private Session _session;
private List<DcOption> dcOptions;
public TelegramClient(ISessionStore store, string sessionUserId)
{
if (_apiId == 0)
throw new InvalidOperationException("Your API_ID is invalid. Do a configuration first https://github.com/sochix/TLSharp#quick-configuration");
public TelegramClient(ISessionStore store, string sessionUserId)
{
if (_apiId == 0)
throw new InvalidOperationException("Your API_ID is invalid. Do a configuration first https://github.com/sochix/TLSharp#quick-configuration");
if (string.IsNullOrEmpty(_apiHash))
throw new InvalidOperationException("Your API_ID is invalid. Do a configuration first https://github.com/sochix/TLSharp#quick-configuration");
if (string.IsNullOrEmpty(_apiHash))
throw new InvalidOperationException("Your API_ID is invalid. Do a configuration first https://github.com/sochix/TLSharp#quick-configuration");
_session = Session.TryLoadOrCreateNew(store, sessionUserId);
_transport = new TcpTransport(_session.ServerAddress, _session.Port);
}
public async Task<bool> Connect(bool reconnect = false)
{
if (_session.AuthKey == null || reconnect)
{
var result = await Authenticator.DoAuthentication(_transport);
_session.AuthKey = result.AuthKey;
_session.TimeOffset = result.TimeOffset;
}
_session = Session.TryLoadOrCreateNew(store, sessionUserId);
_transport = new TcpTransport(_session.ServerAddress, _session.Port);
}
_sender = new MtProtoSender(_transport, _session);
public async Task<bool> Connect(bool reconnect = false)
{
if (_session.AuthKey == null || reconnect)
{
var result = await Authenticator.DoAuthentication(_transport);
_session.AuthKey = result.AuthKey;
_session.TimeOffset = result.TimeOffset;
}
if (!reconnect)
{
var request = new InitConnectionRequest(_apiId);
_sender = new MtProtoSender(_transport, _session);
await _sender.Send(request);
await _sender.Recieve(request);
if (!reconnect)
{
var request = new InitConnectionRequest(_apiId);
dcOptions = request.ConfigConstructor.dc_options;
}
await _sender.Send(request);
await _sender.Recieve(request);
return true;
}
dcOptions = request.ConfigConstructor.dc_options;
}
private async Task ReconnectToDc(int dcId)
{
if (dcOptions == null || !dcOptions.Any())
throw new InvalidOperationException($"Can't reconnect. Establish initial connection first.");
return true;
}
var dc = dcOptions.Cast<DcOptionConstructor>().First(d => d.id == dcId);
private async Task ReconnectToDc(int dcId)
{
if (dcOptions == null || !dcOptions.Any())
throw new InvalidOperationException($"Can't reconnect. Establish initial connection first.");
_transport = new TcpTransport(dc.ip_address, dc.port);
_session.ServerAddress = dc.ip_address;
_session.Port = dc.port;
var dc = dcOptions.Cast<DcOptionConstructor>().First(d => d.id == dcId);
await Connect(true);
}
_transport = new TcpTransport(dc.ip_address, dc.port);
_session.ServerAddress = dc.ip_address;
_session.Port = dc.port;
public bool IsUserAuthorized()
{
return _session.User != null;
}
await Connect(true);
}
public async Task<bool> IsPhoneRegistered(string phoneNumber)
{
if (_sender == null)
throw new InvalidOperationException("Not connected!");
public bool IsUserAuthorized()
{
return _session.User != null;
}
var authCheckPhoneRequest = new AuthCheckPhoneRequest(phoneNumber);
await _sender.Send(authCheckPhoneRequest);
await _sender.Recieve(authCheckPhoneRequest);
public async Task<bool> IsPhoneRegistered(string phoneNumber)
{
if (_sender == null)
throw new InvalidOperationException("Not connected!");
return authCheckPhoneRequest._phoneRegistered;
}
var authCheckPhoneRequest = new AuthCheckPhoneRequest(phoneNumber);
await _sender.Send(authCheckPhoneRequest);
await _sender.Recieve(authCheckPhoneRequest);
public async Task<string> SendCodeRequest(string phoneNumber)
{
var completed = false;
return authCheckPhoneRequest._phoneRegistered;
}
AuthSendCodeRequest request = null;
public async Task<string> SendCodeRequest(string phoneNumber)
{
var completed = false;
while (!completed)
{
request = new AuthSendCodeRequest(phoneNumber, 5, _apiId, _apiHash, "en");
try
{
AuthSendCodeRequest request = null;
await _sender.Send(request);
await _sender.Recieve(request);
while (!completed)
{
request = new AuthSendCodeRequest(phoneNumber, 5, _apiId, _apiHash, "en");
try
{
completed = true;
}
catch (InvalidOperationException ex)
{
if (ex.Message.StartsWith("Your phone number registered to") && ex.Data["dcId"] != null)
{
await ReconnectToDc((int) ex.Data["dcId"]);
}
else
{
throw;
}
}
}
return request._phoneCodeHash;
}
await _sender.Send(request);
await _sender.Recieve(request);
public async Task<User> MakeAuth(string phoneNumber, string phoneHash, string code)
{
var request = new AuthSignInRequest(phoneNumber, phoneHash, code);
await _sender.Send(request);
await _sender.Recieve(request);
completed = true;
}
catch (InvalidOperationException ex)
{
if (ex.Message.StartsWith("Your phone number registered to") && ex.Data["dcId"] != null)
{
await ReconnectToDc((int)ex.Data["dcId"]);
}
else
{
throw;
}
}
}
_session.SessionExpires = request.SessionExpires;
_session.User = request.user;
return request._phoneCodeHash;
}
_session.Save();
public async Task<User> MakeAuth(string phoneNumber, string phoneHash, string code)
{
var request = new AuthSignInRequest(phoneNumber, phoneHash, code);
await _sender.Send(request);
await _sender.Recieve(request);
return request.user;
}
_session.SessionExpires = request.SessionExpires;
_session.User = request.user;
public async Task<InputFile> UploadFile(string name, byte[] data)
{
var partSize = 65536;
_session.Save();
var file_id = DateTime.Now.Ticks;
return request.user;
}
var partedData = new Dictionary<int, byte[]>();
var parts = Convert.ToInt32(Math.Ceiling(Convert.ToDouble(data.Length) / Convert.ToDouble(partSize)));
var remainBytes = data.Length;
for (int i = 0; i < parts; i++)
{
partedData.Add(i, data
.Skip(i * partSize)
.Take(remainBytes < partSize ? remainBytes : partSize)
.ToArray());
public async Task<InputFile> UploadFile(string name, byte[] data)
{
var partSize = 65536;
remainBytes -= partSize;
}
var file_id = DateTime.Now.Ticks;
for (int i = 0; i < parts; i++)
{
var saveFilePartRequest = new Upload_SaveFilePartRequest(file_id, i, partedData[i]);
await _sender.Send(saveFilePartRequest);
await _sender.Recieve(saveFilePartRequest);
var partedData = new Dictionary<int, byte[]>();
var parts = Convert.ToInt32(Math.Ceiling(Convert.ToDouble(data.Length) / Convert.ToDouble(partSize)));
var remainBytes = data.Length;
for (int i = 0; i < parts; i++)
{
partedData.Add(i, data
.Skip(i * partSize)
.Take(remainBytes < partSize ? remainBytes : partSize)
.ToArray());
if (saveFilePartRequest.Done == false)
throw new InvalidOperationException($"File part {i} does not uploaded");
}
remainBytes -= partSize;
}
string md5_checksum;
using (var md5 = MD5.Create())
{
var hash = md5.ComputeHash(data);
var hashResult = new StringBuilder(hash.Length * 2);
for (int i = 0; i < parts; i++)
{
var saveFilePartRequest = new Upload_SaveFilePartRequest(file_id, i, partedData[i]);
await _sender.Send(saveFilePartRequest);
await _sender.Recieve(saveFilePartRequest);
for (int i = 0; i < hash.Length; i++)
hashResult.Append(hash[i].ToString("x2"));
if (saveFilePartRequest.Done == false)
throw new InvalidOperationException($"File part {i} does not uploaded");
}
md5_checksum = hashResult.ToString();
}
string md5_checksum;
using (var md5 = MD5.Create())
{
var hash = md5.ComputeHash(data);
var hashResult = new StringBuilder(hash.Length * 2);
var inputFile = new InputFileConstructor(file_id, parts, name, md5_checksum);
for (int i = 0; i < hash.Length; i++)
hashResult.Append(hash[i].ToString("x2"));
return inputFile;
}
md5_checksum = hashResult.ToString();
}
public async Task<bool> SendMediaMessage(int contactId, InputFile file)
{
var request = new Message_SendMediaRequest(
new InputPeerContactConstructor(contactId),
new InputMediaUploadedPhotoConstructor(file));
var inputFile = new InputFileConstructor(file_id, parts, name, md5_checksum);
await _sender.Send(request);
await _sender.Recieve(request);
return inputFile;
}
return true;
}
public async Task<bool> SendMediaMessage(int contactId, InputFile file)
{
var request = new Message_SendMediaRequest(
new InputPeerContactConstructor(contactId),
new InputMediaUploadedPhotoConstructor(file));
public async Task<int?> ImportContactByPhoneNumber(string phoneNumber)
{
if (!validateNumber(phoneNumber))
throw new InvalidOperationException("Invalid phone number. It should be only digit string, from 5 to 20 digits.");
await _sender.Send(request);
await _sender.Recieve(request);
var request = new ImportContactRequest(new InputPhoneContactConstructor(0, phoneNumber, "My Test Name", String.Empty));
await _sender.Send(request);
await _sender.Recieve(request);
return true;
}
var importedUser = (ImportedContactConstructor)request.imported.FirstOrDefault();
public async Task<int?> ImportContactByPhoneNumber(string phoneNumber)
{
if (!validateNumber(phoneNumber))
throw new InvalidOperationException("Invalid phone number. It should be only digit string, from 5 to 20 digits.");
return importedUser?.user_id;
}
var request = new ImportContactRequest(new InputPhoneContactConstructor(0, phoneNumber, "My Test Name", String.Empty));
await _sender.Send(request);
await _sender.Recieve(request);
public async Task<int?> ImportByUserName(string username)
{
if (string.IsNullOrEmpty(username))
throw new InvalidOperationException("Username can't be null");
var importedUser = (ImportedContactConstructor)request.imported.FirstOrDefault();
var request = new ImportByUserName(username);
await _sender.Send(request);
await _sender.Recieve(request);
return importedUser?.user_id;
}
return request.id;
}
public async Task<int?> ImportByUserName(string username)
{
if (string.IsNullOrEmpty(username))
throw new InvalidOperationException("Username can't be null");
public async Task SendMessage(int id, string message)
{
var request = new SendMessageRequest(new InputPeerContactConstructor(id), message);
var request = new ImportByUserName(username);
await _sender.Send(request);
await _sender.Recieve(request);
await _sender.Send(request);
await _sender.Recieve(request);
}
return request.id;
}
public async Task<List<Message>> GetMessagesHistoryForContact(int user_id, int offset, int limit, int max_id = -1)
{
var request = new GetHistoryRequest(new InputPeerContactConstructor(user_id), offset, max_id, limit);
await _sender.Send(request);
await _sender.Recieve(request);
public async Task SendMessage(int id, string message)
{
var request = new SendMessageRequest(new InputPeerContactConstructor(id), message);
return request.messages;
}
await _sender.Send(request);
await _sender.Recieve(request);
}
private bool validateNumber(string number)
{
var regex = new Regex("^\\d{7,20}$");
public async Task<List<Message>> GetMessagesHistoryForContact(int user_id, int offset, int limit, int max_id = -1)
{
var request = new GetHistoryRequest(new InputPeerContactConstructor(user_id), offset, max_id, limit);
await _sender.Send(request);
await _sender.Recieve(request);
return regex.IsMatch(number);
}
}
return request.messages;
}
private bool validateNumber(string number)
{
var regex = new Regex("^\\d{7,20}$");
return regex.IsMatch(number);
}
}
}

35
TLSharp.Core/Utils/Helpers.cs
View file

@ -4,26 +4,31 @@ using TLSharp.Core.MTProto.Crypto;
namespace TLSharp.Core.Utils
{
public class Helpers {
public class Helpers
{
private static Random random = new Random();
public static ulong GenerateRandomUlong() {
public static ulong GenerateRandomUlong()
{
ulong rand = (((ulong)random.Next()) << 32) | ((ulong)random.Next());
return rand;
}
public static long GenerateRandomLong() {
public static long GenerateRandomLong()
{
long rand = (((long)random.Next()) << 32) | ((long)random.Next());
return rand;
}
public static byte[] GenerateRandomBytes(int num) {
public static byte[] GenerateRandomBytes(int num)
{
byte[] data = new byte[num];
random.NextBytes(data);
return data;
}
public static AESKeyData CalcKey(byte[] sharedKey, byte[] msgKey, bool client) {
public static AESKeyData CalcKey(byte[] sharedKey, byte[] msgKey, bool client)
{
int x = client ? 0 : 8;
byte[] buffer = new byte[48];
@ -58,26 +63,32 @@ namespace TLSharp.Core.Utils
return new AESKeyData(key, iv);
}
public static byte[] CalcMsgKey(byte[] data) {
public static byte[] CalcMsgKey(byte[] data)
{
byte[] msgKey = new byte[16];
Array.Copy(sha1(data), 4, msgKey, 0, 16);
return msgKey;
}
public static byte[] CalcMsgKey(byte[] data, int offset, int limit) {
public static byte[] CalcMsgKey(byte[] data, int offset, int limit)
{
byte[] msgKey = new byte[16];
Array.Copy(sha1(data, offset, limit), 4, msgKey, 0, 16);
return msgKey;
}
public static byte[] sha1(byte[] data) {
using (SHA1 sha1 = new SHA1Managed()) {
public static byte[] sha1(byte[] data)
{
using (SHA1 sha1 = new SHA1Managed())
{
return sha1.ComputeHash(data);
}
}
public static byte[] sha1(byte[] data, int offset, int limit) {
using (SHA1 sha1 = new SHA1Managed()) {
public static byte[] sha1(byte[] data, int offset, int limit)
{
using (SHA1 sha1 = new SHA1Managed())
{
return sha1.ComputeHash(data, offset, limit);
}
}

260
TLSharp.Tests/TLSharpTests.cs
View file

@ -10,188 +10,188 @@ using TLSharp.Core.Network;
namespace TLSharp.Tests
{
[TestClass]
public class TLSharpTests
{
private string NumberToSendMessage { get; set; }
[TestClass]
public class TLSharpTests
{
private string NumberToSendMessage { get; set; }
private string NumberToAuthenticate { get; set; }
private string NumberToAuthenticate { get; set; }
private string UserNameToSendMessage { get; set; }
private string UserNameToSendMessage { get; set; }
[TestInitialize]
public void Init()
{
// Setup your phone numbers in app.config
NumberToAuthenticate = ConfigurationManager.AppSettings["numberToAuthenticate"];
if (string.IsNullOrEmpty(NumberToAuthenticate))
throw new InvalidOperationException("NumberToAuthenticate is null. Specify number in app.config");
[TestInitialize]
public void Init()
{
// Setup your phone numbers in app.config
NumberToAuthenticate = ConfigurationManager.AppSettings["numberToAuthenticate"];
if (string.IsNullOrEmpty(NumberToAuthenticate))
throw new InvalidOperationException("NumberToAuthenticate is null. Specify number in app.config");
NumberToSendMessage = ConfigurationManager.AppSettings["numberToSendMessage"];
if (string.IsNullOrEmpty(NumberToSendMessage))
throw new InvalidOperationException("NumberToSendMessage is null. Specify number in app.config");
NumberToSendMessage = ConfigurationManager.AppSettings["numberToSendMessage"];
if (string.IsNullOrEmpty(NumberToSendMessage))
throw new InvalidOperationException("NumberToSendMessage is null. Specify number in app.config");
UserNameToSendMessage = ConfigurationManager.AppSettings["userNameToSendMessage"];
if (string.IsNullOrEmpty(UserNameToSendMessage))
throw new InvalidOperationException("UserNameToSendMessage is null. Specify userName in app.config");
UserNameToSendMessage = ConfigurationManager.AppSettings["userNameToSendMessage"];
if (string.IsNullOrEmpty(UserNameToSendMessage))
throw new InvalidOperationException("UserNameToSendMessage is null. Specify userName in app.config");
}
}
[TestMethod]
public async Task AuthUser()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
[TestMethod]
public async Task AuthUser()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
await client.Connect();
var hash = await client.SendCodeRequest(NumberToAuthenticate);
var code = "93463"; // you can change code in debugger
var hash = await client.SendCodeRequest(NumberToAuthenticate);
var code = "93463"; // you can change code in debugger
var user = await client.MakeAuth(NumberToAuthenticate, hash, code);
var user = await client.MakeAuth(NumberToAuthenticate, hash, code);
Assert.IsNotNull(user);
}
Assert.IsNotNull(user);
}
[TestMethod]
public async Task CheckPhones()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
[TestMethod]
public async Task CheckPhones()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
var result = await client.IsPhoneRegistered(NumberToAuthenticate);
Assert.IsTrue(result);
}
var result = await client.IsPhoneRegistered(NumberToAuthenticate);
Assert.IsTrue(result);
}
[TestMethod]
public async Task ImportContactByPhoneNumber()
{
// User should be already authenticated!
[TestMethod]
public async Task ImportContactByPhoneNumber()
{
// User should be already authenticated!
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
Assert.IsTrue(client.IsUserAuthorized());
await client.Connect();
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
Assert.IsTrue(client.IsUserAuthorized());
Assert.IsNotNull(res);
}
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
[TestMethod]
public async Task ImportByUserName()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
Assert.IsNotNull(res);
}
await client.Connect();
[TestMethod]
public async Task ImportByUserName()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
Assert.IsTrue(client.IsUserAuthorized());
await client.Connect();
var res = await client.ImportByUserName(UserNameToSendMessage);
Assert.IsTrue(client.IsUserAuthorized());
Assert.IsNotNull(res);
}
var res = await client.ImportByUserName(UserNameToSendMessage);
[TestMethod]
public async Task ImportByUserNameAndSendMessage()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
Assert.IsNotNull(res);
}
await client.Connect();
[TestMethod]
public async Task ImportByUserNameAndSendMessage()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
Assert.IsTrue(client.IsUserAuthorized());
await client.Connect();
var res = await client.ImportByUserName(UserNameToSendMessage);
Assert.IsTrue(client.IsUserAuthorized());
Assert.IsNotNull(res);
var res = await client.ImportByUserName(UserNameToSendMessage);
await client.SendMessage(res.Value, "Test message from TelegramClient");
}
Assert.IsNotNull(res);
[TestMethod]
public async Task ImportContactByPhoneNumberAndSendMessage()
{
// User should be already authenticated!
await client.SendMessage(res.Value, "Test message from TelegramClient");
}
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
[TestMethod]
public async Task ImportContactByPhoneNumberAndSendMessage()
{
// User should be already authenticated!
Assert.IsTrue(client.IsUserAuthorized());
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
Assert.IsTrue(client.IsUserAuthorized());
Assert.IsNotNull(res);
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
await client.SendMessage(res.Value, "Test message from TelegramClient");
}
Assert.IsNotNull(res);
[TestMethod]
public async Task GetHistory()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
await client.SendMessage(res.Value, "Test message from TelegramClient");
}
Assert.IsTrue(client.IsUserAuthorized());
[TestMethod]
public async Task GetHistory()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
Assert.IsTrue(client.IsUserAuthorized());
Assert.IsNotNull(res);
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
var hist = await client.GetMessagesHistoryForContact(res.Value, 0, 5);
Assert.IsNotNull(res);
Assert.IsNotNull(hist);
}
var hist = await client.GetMessagesHistoryForContact(res.Value, 0, 5);
[TestMethod]
public async Task UploadAndSendMedia()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
Assert.IsNotNull(hist);
}
Assert.IsTrue(client.IsUserAuthorized());
[TestMethod]
public async Task UploadAndSendMedia()
{
var store = new FileSessionStore();
var client = new TelegramClient(store, "session");
await client.Connect();
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
Assert.IsTrue(client.IsUserAuthorized());
Assert.IsNotNull(res);
const string testFile = "TEST";
var res = await client.ImportContactByPhoneNumber(NumberToSendMessage);
var file = File.ReadAllBytes("../../data/cat.jpg");
Assert.IsNotNull(res);
const string testFile = "TEST";
var mediaFile = await client.UploadFile("test_file.jpg", file);
var file = File.ReadAllBytes("../../data/cat.jpg");
Assert.IsNotNull(mediaFile);
var mediaFile = await client.UploadFile("test_file.jpg", file);
var state = await client.SendMediaMessage(res.Value, mediaFile);
Assert.IsNotNull(mediaFile);
Assert.IsTrue(state);
}
var state = await client.SendMediaMessage(res.Value, mediaFile);
[TestMethod]
public async Task TestConnection()
{
var store = new FakeSessionStore();
var client = new TelegramClient(store, "");
Assert.IsTrue(state);
}
Assert.IsTrue(await client.Connect());
}
[TestMethod]
public async Task TestConnection()
{
var store = new FakeSessionStore();
var client = new TelegramClient(store, "");
[TestMethod]
public async Task AuthenticationWorks()
{
using (var transport = new TcpTransport("91.108.56.165", 443))
{
var authKey = await Authenticator.DoAuthentication(transport);
Assert.IsTrue(await client.Connect());
}
Assert.IsNotNull(authKey.AuthKey.Data);
}
}
}
[TestMethod]
public async Task AuthenticationWorks()
{
using (var transport = new TcpTransport("91.108.56.165", 443))
{
var authKey = await Authenticator.DoAuthentication(transport);
Assert.IsNotNull(authKey.AuthKey.Data);
}
}
}
}