feat: add system settings page for admin username and password

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-02 08:56:54 +08:00
parent 4743f3efdd
commit b5cba83df4
20 changed files with 647 additions and 117 deletions
@@ -0,0 +1,60 @@
+"""读写 .env（保留其它键；不记录密钥到日志）。"""
+
+from __future__ import annotations
+
+import os
+import re
+from pathlib import Path
+
+_KEY_RE = re.compile(r"^[A-Za-z_][A-Za-z0-9_]*$")
+
+
+def read_env_value(path: Path, key: str) -> str | None:
+    if not path.is_file():
+        return None
+    for line in path.read_text(encoding="utf-8").splitlines():
+        s = line.strip()
+        if not s or s.startswith("#") or "=" not in s:
+            continue
+        k, v = s.split("=", 1)
+        if k.strip() == key:
+            return v.strip()
+    return None
+
+
+def update_env_file(path: Path, updates: dict[str, str]) -> None:
+    """更新或追加键值；已有键覆盖。"""
+    for key in updates:
+        if not _KEY_RE.fullmatch(key):
+            raise ValueError(f"invalid env key: {key!r}")
+
+    lines: list[str] = []
+    if path.is_file():
+        lines = path.read_text(encoding="utf-8").splitlines()
+
+    seen: set[str] = set()
+    out: list[str] = []
+    for line in lines:
+        raw = line
+        s = line.strip()
+        if s and not s.startswith("#") and "=" in s:
+            k, _ = s.split("=", 1)
+            key = k.strip()
+            if key in updates:
+                out.append(f"{key}={updates[key]}")
+                seen.add(key)
+                continue
+        out.append(raw)
+
+    for key, val in updates.items():
+        if key not in seen:
+            out.append(f"{key}={val}")
+
+    path.parent.mkdir(parents=True, exist_ok=True)
+    text = "\n".join(out)
+    if text and not text.endswith("\n"):
+        text += "\n"
+    path.write_text(text, encoding="utf-8")
+
+    for key, val in updates.items():
+        os.environ[key] = val