Block mobile devices: show desktop-only page

2026-04-28 20:52:24 +00:00
parent 8f3617afdd
commit 154ec35384
1 changed files with 46 additions and 0 deletions
@@ -159,6 +159,52 @@ async def request_logging_middleware(request: Request, call_next):
    return response


+
+import re as _re_mob
+
+_MOBILE_UA_RE = _re_mob.compile(
+    r"(Mobile|Android|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini|webOS)",
+    _re_mob.IGNORECASE,
+)
+_MOBILE_PAGE = (
+    "<!doctype html>"
+    '<html lang="ru">'
+    "<head>"
+    '<meta charset="utf-8"/>'
+    '<meta name="viewport" content="width=device-width,initial-scale=1"/>'
+    "<title>МОНТ - инфрастуктурный полигон</title>"
+    "<style>"
+    "*{box-sizing:border-box;margin:0;padding:0}"
+    "body{min-height:100dvh;display:flex;flex-direction:column;align-items:center;"
+    "justify-content:center;background:linear-gradient(160deg,#0a2a4a 0%,#1565a0 60%,#1e88c8 100%);"
+    "font-family:sans-serif;color:#fff;padding:2rem 1.5rem;text-align:center}"
+    ".logo{width:120px;margin-bottom:2rem}"
+    "h1{font-size:1.3rem;font-weight:700;margin-bottom:1rem;line-height:1.35}"
+    "p{font-size:0.95rem;color:rgba(255,255,255,.75);line-height:1.5;max-width:280px}"
+    ".icon{font-size:3.5rem;margin-bottom:1.2rem}"
+    "</style>"
+    "</head>"
+    "<body>"
+    '<img class="logo" src="/static/logo.png" alt="MONT"/>'
+    '<div class="icon">&#128421;</div>'
+    "<h1>Ресурс доступен<br>только с ПК</h1>"
+    "<p>Пожалуйста, откройте эту страницу на компьютере или ноутбуке.</p>"
+    "</body>"
+    "</html>"
+)
+
+
+@app.middleware("http")
+async def mobile_block_middleware(request: Request, call_next):
+    path = request.url.path
+    if path.startswith("/static/"):
+        return await call_next(request)
+    ua = request.headers.get("user-agent", "")
+    if _MOBILE_UA_RE.search(ua):
+        from starlette.responses import HTMLResponse as _HR
+        return _HR(content=_MOBILE_PAGE, status_code=200)
+    return await call_next(request)
+
 class Base(DeclarativeBase):
    pass