Dark模式 oss存储

core/backend/airshelf/settings/base.py

@@ -238,11 +238,26 @@ CREATION_AGENT_THINKING_MODE = (env("CREATION_AGENT_THINKING_MODE", "disabled")
 
 REDIS_LOCK_URL = env("REDIS_LOCK_URL", "redis://127.0.0.1:6379/3")
 
+def _tos_region() -> str:
+    """阿里云 OSS 的 S3 签名区域是 oss-cn-beijing 这种主机名前缀。火山 TOS 仍用 cn-shanghai。"""
+    explicit = (env("TOS_REGION") or "").strip()
+    if explicit:
+        return explicit
+    host = (env("TOS_ENDPOINT") or "").split("://", 1)[-1].split("/", 1)[0]
+    if host.startswith("oss-") and host.endswith(".aliyuncs.com"):
+        return host.split(".", 1)[0]
+    return "cn-shanghai"
+
+
 TOS = {
     "endpoint": env("TOS_ENDPOINT"),
     "bucket": env("TOS_BUCKET"),
+    "region": _tos_region(),
     "access_key_id": env("TOS_ACCESS_KEY_ID"),
     "secret_access_key": env("TOS_SECRET_ACCESS_KEY"),
+    # 换到阿里云之后，历史文件仍在火山引擎旧桶。按桶名把旧链接指回原地址。
+    "legacy_endpoint": env("TOS_LEGACY_ENDPOINT", "https://tos-s3-cn-shanghai.volces.com"),
+    "legacy_bucket": env("TOS_LEGACY_BUCKET", "airshelf"),
 }
 
 VOLCANO = {