feat: server multi models support (#799)

api/core/helper/encrypter.py

@@ -0,0 +1,20 @@
+import base64
+
+from extensions.ext_database import db
+from libs import rsa
+
+from models.account import Tenant
+
+
+def obfuscated_token(token: str):
+    return token[:6] + '*' * (len(token) - 8) + token[-2:]
+
+
+def encrypt_token(tenant_id: str, token: str):
+    tenant = db.session.query(Tenant).filter(Tenant.id == tenant_id).first()
+    encrypted_token = rsa.encrypt(token, tenant.encrypt_public_key)
+    return base64.b64encode(encrypted_token).decode()
+
+
+def decrypt_token(tenant_id: str, token: str):
+    return rsa.decrypt(base64.b64decode(token), tenant_id)