✨ Add get_file_url

aiogram/api/client/base.py

@@ -120,7 +120,7 @@ class BaseBot(ContextInstanceMixin, DataMixin):
         if destination is None:
             destination = io.BytesIO()
 
-        url = self.session.api.file_url(token=self.__token, path=file_path)
+        url = self.get_file_url(file_path)
         stream = self.session.stream_content(url=url, timeout=timeout, chunk_size=chunk_size)
 
         if isinstance(destination, (str, pathlib.Path)):
@@ -130,6 +130,19 @@ class BaseBot(ContextInstanceMixin, DataMixin):
                 destination=destination, seek=seek, stream=stream
             )
 
+    def get_file_url(self, file_path: str) -> str:
+        """
+        Get file url
+
+        Attention!!
+        This method has security vulnerabilities for the reason that result
+        contains bot's *access token* in open form. Use at your own risk!
+
+        :param file_path: File path on Telegram server (You can get it from :obj:`aiogram.types.File`)
+        :type file_path: str
+        """
+        return self.session.api.file_url(self.__token, file_path)
+
     def __hash__(self) -> int:
         """
         Get hash for the token

aiogram/api/types/mixins.py

@@ -83,7 +83,7 @@ class Downloadable:
         from aiogram.api.client.bot import Bot
 
         file = await self.get_file()
-        return Bot.get_current(no_error=False).session.api.file_url(file.file_path)
+        return Bot.get_current(no_error=False).get_file_url(file.file_path)
 
     def __hash__(self):
         return hash(self.file_id)  # type: ignore

tests/test_api/test_client/test_base_bot.py

@@ -6,6 +6,7 @@ from aiofiles import threadpool
 from aresponses import ResponsesMockServer
 
 from aiogram.api.client.base import BaseBot
+from aiogram.api.client.telegram import PRODUCTION
 from aiogram.api.client.session.aiohttp import AiohttpSession
 from aiogram.api.methods import GetMe
 
@@ -115,3 +116,9 @@ class TestBaseBot:
         assert isinstance(result, io.BytesIO)
         assert result is custom
         assert result.read() == b"\f" * 10
+
+    def test_get_file_url(self):
+        base_bot = BaseBot("42:TEST")
+
+        file_url = PRODUCTION.file_url(token="42:TEST", path="path")
+        assert file_url == base_bot.get_file_url("path")