first commit

app/users.py

@@ -0,0 +1,59 @@
+import pwd
+import subprocess
+
+
+def linux_user_exists(username: str) -> bool:
+    try:
+        pwd.getpwnam(username)
+        return True
+    except KeyError:
+        return False
+
+
+def get_uid(username: str) -> int:
+    return pwd.getpwnam(username).pw_uid
+
+
+def is_locked(username: str) -> bool:
+    result = subprocess.run(
+        ["passwd", "-S", username],
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+
+    if result.returncode != 0:
+        return False
+
+    parts = result.stdout.split()
+
+    if len(parts) < 2:
+        return False
+
+    return parts[1] == "L"
+
+
+def lock_user(username: str):
+    subprocess.run(
+        ["loginctl", "terminate-user", username],
+        check=False,
+    )
+
+    subprocess.run(
+        ["passwd", "-l", username],
+        check=True,
+    )
+
+
+def unlock_user(username: str):
+    subprocess.run(
+        ["passwd", "-u", username],
+        check=True,
+    )
+
+
+def terminate_user(username: str):
+    subprocess.run(
+        ["loginctl", "terminate-user", username],
+        check=False,
+    )