Upload 4 files

app.py

@@ -3,7 +3,7 @@ import os
 import json
 
 from fastapi import FastAPI, Request
-from fastapi.responses import Response, StreamingResponse
+from fastapi.responses import Response, StreamingResponse, FileResponse
 import httpx
 
 # 内部真实 Bot API Server（telegram-bot-api）监听端口
@@ -11,6 +11,8 @@ import httpx
 UPSTREAM = f"http://127.0.0.1:{os.environ.get('TELEGRAM_UPSTREAM_PORT', '8081')}"
 app = FastAPI()
 
+WORK_DIR = os.environ.get("TELEGRAM_WORK_DIR", "/tmp/telegram-bot-api-data")
+
 def _normalize_bot_api_file_path(raw_fp: str | None, token_enc: str | None) -> str:
     if not raw_fp:
         return ""
@@ -65,6 +67,31 @@ async def proxy(path: str, request: Request):
             if fixed:
                 path_for_upstream = f"file/bot{token_enc}/{fixed}"
 
+    # 官方/通用做法（更稳）：--local 场景 getFile 可能返回“本地路径”，所以 /file 下载最好不要再依赖 bot-api 自己的 /file 端点
+    # 直接从容器的 WORK_DIR 里读文件返回给浏览器。
+    # 这样就算 bot-api 的 /file 行为有差异，也不会影响 CloudPaste 预览下载。
+    if path_for_upstream.startswith("file/"):
+        rest = path_for_upstream[len("file/") :]
+        token_enc = None
+        rel = ""
+        if rest.startswith("bot"):
+            token_enc = rest[3:].split("/", 1)[0] or None
+            rel = rest.split("/", 1)[1] if "/" in rest else ""
+        rel_fixed = _normalize_bot_api_file_path(rel, token_enc)
+
+        candidates = []
+        if token_enc and rel_fixed:
+            candidates.append(os.path.join(WORK_DIR, token_enc, rel_fixed))
+        if rel_fixed:
+            candidates.append(os.path.join(WORK_DIR, rel_fixed))
+
+        for p in candidates:
+            try:
+                if p and os.path.isfile(p):
+                    return FileResponse(p)
+            except Exception:
+                pass
+
     url = f"{UPSTREAM}/{path_for_upstream}"
 
     params = list(request.query_params.multi_items())