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Support one-time authentication in ss urls for sharing

This commit implements the new ss protocol proposed here:
https://github.com/shadowsocks/shadowsocks-org/issues/16

Also removes a TODO in Server.cs. You are welcome.
tags/3.2
Mygod 8 years ago
parent
commit
9c7b100f2b
2 changed files with 19 additions and 40 deletions
  1. +3
    -1
      shadowsocks-csharp/Controller/ShadowsocksController.cs
  2. +16
    -39
      shadowsocks-csharp/Model/Server.cs

+ 3
- 1
shadowsocks-csharp/Controller/ShadowsocksController.cs View File

@@ -252,7 +252,9 @@ namespace Shadowsocks.Controller
public static string GetQRCode(Server server)
{
string parts = server.method + ":" + server.password + "@" + server.server + ":" + server.server_port;
string parts = server.method;
if (server.auth) parts += "-auth";
parts += ":" + server.password + "@" + server.server + ":" + server.server_port;
string base64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(parts));
return "ss://" + base64;
}


+ 16
- 39
shadowsocks-csharp/Model/Server.cs View File

@@ -9,6 +9,12 @@ namespace Shadowsocks.Model
[Serializable]
public class Server
{
public static readonly Regex
UrlFinder = new Regex("^ss://((?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?)$",
RegexOptions.Compiled | RegexOptions.IgnoreCase),
DetailsParser = new Regex("^((?<method>.+?)(?<auth>-auth)??:(?<password>.*)@(?<hostname>.+?)" +
":(?<port>\\d+?))$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
public string server;
public int server_port;
public string password;
@@ -55,45 +61,16 @@ namespace Shadowsocks.Model
public Server(string ssURL) : this()
{
string[] r1 = Regex.Split(ssURL, "ss://", RegexOptions.IgnoreCase);
string base64 = r1[1].ToString();
byte[] bytes = null;
for (var i = 0; i < 3; i++)
{
try
{
bytes = Convert.FromBase64String(base64);
}
catch (FormatException)
{
base64 += "=";
}
}
if (bytes == null)
{
throw new FormatException();
}
try
{
string data = Encoding.UTF8.GetString(bytes);
int indexLastAt = data.LastIndexOf('@');
string afterAt = data.Substring(indexLastAt + 1);
int indexLastColon = afterAt.LastIndexOf(':');
server_port = int.Parse(afterAt.Substring(indexLastColon + 1));
server = afterAt.Substring(0, indexLastColon);
string beforeAt = data.Substring(0, indexLastAt);
string[] parts = beforeAt.Split(new[] { ':' });
method = parts[0];
password = parts[1];
//TODO: read one_time_auth
}
catch (IndexOutOfRangeException)
{
throw new FormatException();
}
var match = UrlFinder.Match(ssURL);
if (!match.Success) throw new FormatException();
var base64 = match.Groups[1].Value;
match = DetailsParser.Match(Encoding.UTF8.GetString(Convert.FromBase64String(
base64.PadRight(base64.Length + (4 - base64.Length % 4) % 4, '='))));
method = match.Groups["method"].Value;
auth = match.Groups["auth"].Success;
password = match.Groups["password"].Value;
server = match.Groups["hostname"].Value;
server_port = int.Parse(match.Groups["port"].Value);
}
public string Identifier()


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