private void UpdateObfsTextbox()
{
try
{
Obfs.ObfsBase obfs = (Obfs.ObfsBase)Obfs.ObfsFactory.GetObfs(ObfsCombo.Text);
int[] properties = obfs.GetObfs()[ObfsCombo.Text];
if (properties[2] > 0)
{
TextObfsParam.Enabled = true;
}
else
{
TextObfsParam.Enabled = false;
}
}
catch
{
TextObfsParam.Enabled = true;
}
}
private void ObfsCombo_TextChanged(object sender, EventArgs e)
{
try
{
Obfs.ObfsBase obfs = (Obfs.ObfsBase)Obfs.ObfsFactory.GetObfs(ObfsCombo.Text);
int[] properties = obfs.GetObfs()[ObfsCombo.Text];
if (properties[2] > 0)
{
textObfsParam.Enabled = true;
}
else
{
textObfsParam.Enabled = false;
}
}
catch
{
textObfsParam.Enabled = true;
}
}
private void UpdateProtocolTextbox()
{
try
{
Obfs.ObfsBase obfs = (Obfs.ObfsBase)Obfs.ObfsFactory.GetObfs(TCPProtocolComboBox.Text);
int[] properties = obfs.GetObfs()[TCPProtocolComboBox.Text];
if (properties[2] > 0)
{
TextProtocolParam.Enabled = true;
}
else
{
TextProtocolParam.Enabled = false;
}
}
catch
{
TextProtocolParam.Enabled = false;
}
}
public void ServerFromSS(string ssURL)
{
// ss://obfs:protocol:method:passwd@host:port/#remarks
string[] r1 = Regex.Split(ssURL, "ss://", RegexOptions.IgnoreCase);
string base64 = r1[1].ToString();
string data = DecodeBase64(base64);
if (data.Length == 0)
{
throw new FormatException();
}
try
{
int indexLastAt = data.LastIndexOf('@');
int remarkIndexLastAt = data.IndexOf('#', indexLastAt);
if (remarkIndexLastAt > 0)
{
if (remarkIndexLastAt + 1 < data.Length)
{
this.remarks_base64 = data.Substring(remarkIndexLastAt + 1);
}
data = data.Substring(0, remarkIndexLastAt);
}
remarkIndexLastAt = data.IndexOf('/', indexLastAt);
string param = "";
if (remarkIndexLastAt > 0)
{
if (remarkIndexLastAt + 1 < data.Length)
{
param = data.Substring(remarkIndexLastAt + 1);
}
data = data.Substring(0, remarkIndexLastAt);
}
//int paramIndexLastAt = param.IndexOf('?', indexLastAt);
//Dictionary<string, string> params_dict = new Dictionary<string, string>();
//if (paramIndexLastAt >= 0)
//{
// string[] obfs_params = param.Substring(paramIndexLastAt + 1).Split('&');
// foreach (string p in obfs_params)
// {
// if (p.IndexOf('=') > 0)
// {
// int index = p.IndexOf('=');
// string key, val;
// key = p.Substring(0, index);
// val = p.Substring(index + 1);
// try
// {
// byte[] b64_bytes = System.Convert.FromBase64String(val);
// if (b64_bytes != null)
// {
// val = Encoding.UTF8.GetString(b64_bytes);
// }
// }
// catch (FormatException)
// {
// continue;
// }
// params_dict[key] = val;
// }
// }
//}
string afterAt = data.Substring(indexLastAt + 1);
int indexLastColon = afterAt.LastIndexOf(':');
this.server_port = int.Parse(afterAt.Substring(indexLastColon + 1));
this.server = afterAt.Substring(0, indexLastColon);
string beforeAt = data.Substring(0, indexLastAt);
this.method = "";
for (bool next = true; next;)
{
string[] parts = beforeAt.Split(new[] { ':' }, 2);
if (parts.Length > 1)
{
try
{
Obfs.ObfsBase obfs = (Obfs.ObfsBase)Obfs.ObfsFactory.GetObfs(parts[0]);
if (obfs.GetObfs().ContainsKey(parts[0]))
{
int[] p = obfs.GetObfs()[parts[0]];
if (p[0] == 1)
{
this.protocol = parts[0];
}
if (p[1] == 1)
{
this.obfs = parts[0];
}
}
else
{
next = false;
}
}
catch
{
try
{
IEncryptor encryptor = EncryptorFactory.GetEncryptor(parts[0], "m");
encryptor.Dispose();
this.method = parts[0];
beforeAt = parts[1];
}
catch
{
}
break;
}
beforeAt = parts[1];
}
else
{
break;
}
}
if (this.method.Length == 0)
{
throw new FormatException();
}
this.password = beforeAt;
//if (params_dict.ContainsKey("obfs"))
//{
// this.obfsparam = params_dict["obfs"];
//}
}
catch (IndexOutOfRangeException)
{
throw new FormatException();
}
}
public Server(string ssURL) : this()
{
string[] r1 = Regex.Split(ssURL, "ss://", RegexOptions.IgnoreCase);
string base64 = r1[1].ToString();
byte[] bytes = null;
string data = "";
if (base64.LastIndexOf('@') > 0)
{
data = base64;
}
else
{
for (var i = 0; i < 3; i++)
{
try
{
bytes = System.Convert.FromBase64String(base64);
}
catch (FormatException)
{
base64 += "=";
}
}
if (bytes != null)
{
data = Encoding.UTF8.GetString(bytes);
}
}
if (data.Length == 0)
{
throw new FormatException();
}
try
{
int indexLastAt = data.LastIndexOf('@');
int remarkIndexLastAt = data.IndexOf('#', indexLastAt);
if (remarkIndexLastAt > 0)
{
if (remarkIndexLastAt + 1 < data.Length)
{
this.remarks_base64 = data.Substring(remarkIndexLastAt + 1);
}
data = data.Substring(0, remarkIndexLastAt);
}
remarkIndexLastAt = data.IndexOf('/', indexLastAt);
string param = "";
if (remarkIndexLastAt > 0)
{
if (remarkIndexLastAt + 1 < data.Length)
{
param = data.Substring(remarkIndexLastAt + 1);
}
data = data.Substring(0, remarkIndexLastAt);
}
string afterAt = data.Substring(indexLastAt + 1);
int indexLastColon = afterAt.LastIndexOf(':');
this.server_port = int.Parse(afterAt.Substring(indexLastColon + 1));
this.server = afterAt.Substring(0, indexLastColon);
string beforeAt = data.Substring(0, indexLastAt);
string[] parts = beforeAt.Split(new[] { ':' });
this.method = parts[parts.Length - 2];
this.password = parts[parts.Length - 1];
if (parts.Length >= 4)
{
this.protocol = parts[parts.Length - 3];
this.obfs = parts[parts.Length - 4];
if (param.Length > 0)
{
this.obfsparam = Encoding.UTF8.GetString(System.Convert.FromBase64String(param.Replace('-', '+').Replace('_', '/')));
}
}
else if (parts.Length >= 3)
{
string part = parts[parts.Length - 3];
try
{
Obfs.ObfsBase obfs = (Obfs.ObfsBase)Obfs.ObfsFactory.GetObfs(part);
int[] properties = obfs.GetObfs()[part];
if (properties[0] > 0)
{
this.protocol = part;
}
else
{
this.obfs = part;
}
}
catch
{
}
}
}
catch (IndexOutOfRangeException)
{
throw new FormatException();
}
}