61 lines
1.9 KiB
C#
61 lines
1.9 KiB
C#
using System.Linq;
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using System.Security.Claims;
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using System.Security.Cryptography;
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using MareSynchronosServer.Data;
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using Microsoft.AspNetCore.SignalR;
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namespace MareSynchronosServer.Hubs
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{
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public abstract class BaseHub : Hub
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{
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protected MareDbContext DbContext { get; init; }
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protected BaseHub(MareDbContext context)
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{
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DbContext = context;
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}
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protected string AuthenticatedUserId => Context.User?.Claims?.SingleOrDefault(c => c.Type == ClaimTypes.NameIdentifier)?.Value ?? "Unknown";
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protected Models.User? GetAuthenticatedUser()
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{
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return DbContext.Users.Single(u => u.UID == AuthenticatedUserId);
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}
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protected Models.User? GetUserFromCID(string cid)
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{
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return DbContext.Users.SingleOrDefault(c => c.CharacterIdentification == cid);
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}
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protected Models.User? GetUserFromUID(string uid)
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{
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return DbContext.Users.SingleOrDefault(c => c.UID == uid);
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}
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protected bool IsUserOnline(string uid)
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{
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return DbContext.Users.Any(c => c.UID == uid && !string.IsNullOrEmpty(c.CharacterIdentification));
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}
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public static string GenerateRandomString(int length, string allowableChars = null)
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{
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if (string.IsNullOrEmpty(allowableChars))
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allowableChars = @"ABCDEFGHJKLMNPQRSTUVWXYZ0123456789";
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// Generate random data
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var rnd = new byte[length];
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using (var rng = new RNGCryptoServiceProvider())
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rng.GetBytes(rnd);
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// Generate the output string
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var allowable = allowableChars.ToCharArray();
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var l = allowable.Length;
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var chars = new char[length];
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for (var i = 0; i < length; i++)
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chars[i] = allowable[rnd[i] % l];
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return new string(chars);
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}
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}
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} |