fix: 支持自定义s3协议region name和signature version，解决cloudflare r2文件取回问题

core/settings.py

@@ -19,6 +19,8 @@ default_value = {
     's3_secret_access_key': '',
     's3_bucket_name': '',
     's3_endpoint_url': '',
+    's3_region_name': 'auto',
+    's3_signature_version': 's3v2',
     's3_hostname': '',
     's3_proxy': 0,
     'aws_session_token': '',

core/storage.py

@@ -10,7 +10,7 @@ import io
 import re
 import sys
 import aioboto3
-import botocore
+from botocore.config import Config
 from fastapi import HTTPException, Response, UploadFile
 from core.response import APIResponse
 from core.settings import data_root, settings
@@ -20,8 +20,6 @@ from fastapi.responses import FileResponse
 
 
 class FileStorageInterface:
-    def __init__(self):
-        raise NotImplementedError
 
     async def save_file(self, file: UploadFile, save_path: str):
         """
@@ -93,6 +91,8 @@ class S3FileStorage(FileStorageInterface):
         self.secret_access_key = settings.s3_secret_access_key
         self.bucket_name = settings.s3_bucket_name
         self.s3_hostname = settings.s3_hostname
+        self.region_name = settings.s3_region_name
+        self.signature_version = settings.s3_signature_version
         self.endpoint_url = settings.s3_endpoint_url or f'https://{self.s3_hostname}'
         self.aws_session_token = settings.aws_session_token
         self.proxy = settings.s3_proxy
@@ -104,17 +104,18 @@ class S3FileStorage(FileStorageInterface):
             self.endpoint_url = settings.s3_endpoint_url
 
     async def save_file(self, file: UploadFile, save_path: str):
-        async with self.session.client("s3", endpoint_url=self.endpoint_url, aws_session_token=self.aws_session_token) as s3:
+        async with self.session.client("s3", endpoint_url=self.endpoint_url, aws_session_token=self.aws_session_token, region_name=self.region_name,
+                                       config=Config(signature_version=self.signature_version)) as s3:
             await s3.put_object(Bucket=self.bucket_name, Key=save_path, Body=await file.read(), ContentType=file.content_type)
 
     async def delete_file(self, file_code: FileCodes):
-        async with self.session.client("s3", endpoint_url=self.endpoint_url) as s3:
+        async with self.session.client("s3", endpoint_url=self.endpoint_url, region_name=self.region_name, config=Config(signature_version=self.signature_version)) as s3:
             await s3.delete_object(Bucket=self.bucket_name, Key=await file_code.get_file_path())
 
     async def get_file_response(self, file_code: FileCodes):
         try:
             filename = file_code.prefix + file_code.suffix
-            async with self.session.client("s3", endpoint_url=self.endpoint_url) as s3:
+            async with self.session.client("s3", endpoint_url=self.endpoint_url, region_name=self.region_name, config=Config(signature_version=self.signature_version)) as s3:
                 link = await s3.generate_presigned_url('get_object', Params={'Bucket': self.bucket_name, 'Key': await file_code.get_file_path()}, ExpiresIn=3600)
             tmp = io.BytesIO()
             async with aiohttp.ClientSession() as session:
@@ -133,7 +134,7 @@ class S3FileStorage(FileStorageInterface):
         if self.proxy:
             return await get_file_url(file_code.code)
         else:
-            async with self.session.client("s3", endpoint_url=self.endpoint_url) as s3:
+            async with self.session.client("s3", endpoint_url=self.endpoint_url, region_name=self.region_name, config=Config(signature_version=self.signature_version)) as s3:
                 result = await s3.generate_presigned_url('get_object', Params={'Bucket': self.bucket_name, 'Key': await file_code.get_file_path()}, ExpiresIn=3600)
                 return result