v1.0

2022-12-18 13:30:02 +01:00
commit 0e94ffa3c6
85 changed files with 26673 additions and 0 deletions
--- a/ProjectManager.Backend/Apis/ITokenApi.cs
+++ b/ProjectManager.Backend/Apis/ITokenApi.cs
@@ -0,0 +1,66 @@
+using Microsoft.Extensions.Options;
+using ProjectManager.Backend.Entities;
+using ProjectManager.Backend.Options;
+
+namespace ProjectManager.Backend.Apis; 
+
+public interface ITokenApi {
+    public string GetValidToken(string userId, string clientIp);
+    public bool ValidateToken(string tokenId, string clientIp);
+    public User GetUserFromToken(string tokenId);
+}
+
+public sealed class TokenApi : ITokenApi {
+    private readonly DatabaseContext _context;
+    private readonly GeneralOptions _options;
+    private readonly IUserApi _users;
+
+    public TokenApi(DatabaseContext context, IOptions<GeneralOptions> options, IUserApi users) {
+        _context = context;
+        _options = options.Value;
+        _users = users;
+    }
+    
+    public string GetValidToken(string userId, string clientIp) {
+        var token = _context.Tokens.SingleOrDefault(token => token.UserId == userId && token.ClientIp == clientIp);
+
+        if (token == null) {
+            token = new() {
+                TokenId = Guid.NewGuid().ToString(),
+                UserId = userId,
+                ClientIp = clientIp,
+                Created = DateTime.Now
+            };
+            _context.Tokens.Add(token);
+            _context.SaveChanges();
+            return token.TokenId;
+        }
+
+        if (!ValidateToken(token.TokenId, clientIp)) {
+            _context.Tokens.Remove(token);
+            token = new() {
+                TokenId = Guid.NewGuid().ToString(),
+                UserId = userId,
+                ClientIp = clientIp,
+                Created = DateTime.Now
+            };
+            _context.Tokens.Add(token);
+            _context.SaveChanges();
+            return token.TokenId;
+        }
+
+        return token.TokenId;
+    }
+
+    public bool ValidateToken(string tokenId, string clientIp) {
+        if (tokenId is null || clientIp is null) return false;
+        var token = _context.Tokens.SingleOrDefault(token => token.TokenId == tokenId && token.ClientIp == clientIp);
+        if (token is null) return false;
+        if (_context.Users.SingleOrDefault(user => user.UserId == token.UserId) == null) return false;
+        return DateTime.Now - token.Created < TimeSpan.FromDays(_options.TokenTimeInDays);
+    }
+
+    public User GetUserFromToken(string tokenId) {
+        return _users.GetUser(_context.Tokens.SingleOrDefault(token => token.TokenId == tokenId)?.UserId);
+    }
+}