updated Payment reconcillation code

model/Auth.py

@@ -0,0 +1,63 @@
+import os
+from dotenv import load_dotenv
+from flask_login import UserMixin
+from ldap3 import Server, Connection, ALL
+from ldap3.core.exceptions import LDAPBindError
+
+# Load .env
+load_dotenv()
+
+
+class DefaultCredentials:
+    username = os.getenv("DEFAULT_USERNAME")
+    password = os.getenv("DEFAULT_PASSWORD")
+
+
+class LoginLDAP:
+
+    def __init__(self, request):
+
+        self.username = request.form.get("username", "").strip()
+        self.password = request.form.get("password", "")
+
+        self.isDefaultCredentials = False
+        self.isValidLogin = False
+        self.errorMessage = ""
+
+        ldap_server = "ldap://localhost:389"
+        ldap_user_dn = f"uid={self.username},ou=users,dc=lcepl,dc=org"
+
+        # fallback admin login
+        if (
+            self.username == DefaultCredentials.username
+            and self.password == DefaultCredentials.password
+        ):
+            self.isDefaultCredentials = True
+            self.isValidLogin = True
+            return
+
+        try:
+
+            server = Server(ldap_server, get_info=ALL)
+
+            conn = Connection(
+                server,
+                user=ldap_user_dn,
+                password=self.password,
+                auto_bind=True
+            )
+
+            if conn.bound:
+                self.isValidLogin = True
+
+        except LDAPBindError:
+            self.errorMessage = "Invalid LDAP credentials"
+
+        except Exception as e:
+            self.errorMessage = str(e)
+
+
+class User(UserMixin):
+
+    def __init__(self, username):
+        self.id = username