feat: add encryption functionality for email addresses and corresponding tests

Author: IkeSalmonson

app/services/encryption.py

@@ -0,0 +1,24 @@
+import os
+
+from cryptography.fernet import Fernet
+
+test_encryption_key = "r0-QKv5qACJNFRqy2cNZCsfZ_zVvehlC-v8zDJb--EI="
+# Carrega a chave da variável de ambiente
+ENCRYPTION_KEY = os.getenv("ENCRYPTION_KEY", test_encryption_key)
+
+if not ENCRYPTION_KEY:
+    raise RuntimeError(
+        "ENCRYPTION_KEY não está definida nas variáveis de ambiente."
+    )
+
+cipher = Fernet(ENCRYPTION_KEY.encode())
+
+
+def encrypt_email(email: str) -> str:
+    """Criptografa uma string de e-mail."""
+    return cipher.encrypt(email.encode()).decode()
+
+
+def decrypt_email(encrypted_email: str) -> str:
+    """Descriptografa uma string de e-mail."""
+    return cipher.decrypt(encrypted_email.encode()).decode()

docker-compose.yaml

@@ -14,6 +14,7 @@ services:
       - SQLITE_PATH=app/services/database/pynewsdb.db
       - SQLITE_URL=sqlite+aiosqlite://
       - SECRET_KEY=1a6c5f3b7d2e4a7fb68d0casd3f9a7b2d8c4e5f6a3b0d4e9c7a8f1b6d3c0a7f5e
+      - ENCRYPTION_KEY=smR739opNB9FJ4hEm5ZIG8Gr-Qnvqtem4ehwl4RIUes=
       - ALGORITHM=HS256
       - ACCESS_TOKEN_EXPIRE_MINUTES=20
     restart: unless-stopped