88 lines
3.2 KiB
C#
88 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Text;
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using HttpServer;
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namespace TShockAPI
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="username">Username to verify</param>
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/// <param name="password">Password to verify</param>
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/// <returns>Returning a restobject with a null error means a successful verification.</returns>
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public delegate RestObject VerifyD(string username, string password);
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public class SecureRest : Rest
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{
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public Dictionary<string, object> Tokens { get; protected set; }
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public event VerifyD Verify;
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public SecureRest(IPAddress ip, int port)
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: base(ip, port)
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{
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Tokens = new Dictionary<string, object>();
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Register(new RestCommand("/token/create/{username}/{password}", Newtoken) { RequiesToken = false });
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Register(new RestCommand("/token/destroy/{token}", DestroyToken) {RequiesToken = true});
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}
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object DestroyToken(RestVerbs verbs, IParameterCollection parameters)
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{
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var token = verbs["token"];
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try
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{
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Tokens.Remove(token);
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}
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catch (Exception)
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{
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return new Dictionary<string, string> { { "status", "400" }, { "error", "The specified token queued for destruction failed to be deleted." } };
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}
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return new Dictionary<string, string> { { "status", "200" }, { "response", "Requested token was successfully destroyed." } };
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}
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object Newtoken(RestVerbs verbs, IParameterCollection parameters)
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{
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var user = verbs["username"];
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var pass = verbs["password"];
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RestObject obj = null;
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if (Verify != null)
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obj = Verify(user, pass);
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if (obj == null)
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obj = new RestObject("401", "Invalid username/password combination provided. Please re-submit your query with a correct pair.");
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if (obj.Error != null)
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return obj;
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string hash;
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var rand = new Random();
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var randbytes = new byte[20];
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do
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{
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rand.NextBytes(randbytes);
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hash = Tools.HashPassword(randbytes);
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} while (Tokens.ContainsKey(hash));
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Tokens.Add(hash, user);
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obj.SafeSet("token", hash);
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return obj;
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}
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protected override object ExecuteCommand(RestCommand cmd, RestVerbs verbs, IParameterCollection parms)
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{
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if (cmd.RequiesToken)
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{
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var strtoken = parms["token"];
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if (strtoken == null)
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return new Dictionary<string, string> { { "status", "401" }, { "error", "Not authorized. The specified API endpoint requires a token." } };
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object token;
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if (!Tokens.TryGetValue(strtoken, out token))
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return new Dictionary<string, string> { { "status", "403" }, { "error", "Not authorized. The specified API endpoint requires a token, but the provided token was not valid." } };
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}
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return base.ExecuteCommand(cmd, verbs, parms);
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}
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}
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}
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