get creation of links working

src/services/EncryptionService.ts

@@ -0,0 +1,23 @@
+import { Service } from "@tsed/di";
+import crypto from "crypto";
+
+@Service()
+export class EncryptionService {
+  private algorithm = 'aes-256-cbc';
+  private key = crypto.randomBytes(32);
+
+  async encrypt(text: string): Promise<{ encryptedText: string; iv: string }> {
+    const iv = crypto.randomBytes(16);
+    const cipher = crypto.createCipheriv(this.algorithm, this.key, iv);
+    let encrypted = cipher.update(text, 'utf8', 'hex');
+    encrypted += cipher.final('hex');
+    return { encryptedText: encrypted, iv: iv.toString('hex') };
+  }
+
+  async decrypt(encryptedText: string, iv: string): Promise<string> {
+    const decipher = crypto.createDecipheriv(this.algorithm, this.key, Buffer.from(iv, 'hex'));
+    let decrypted = decipher.update(encryptedText, 'hex', 'utf8');
+    decrypted += decipher.final('utf8');
+    return decrypted;
+  }
+}