merge: T5 COS 直传预签名(POST /uploads/presign,FR-SYS-03)
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@@ -1,10 +1,27 @@
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"""``POST /uploads/presign`` — COS 直传预签名(骨架,T5 填充实现)。
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"""``POST /uploads/presign`` — COS 直传预签名(FR-SYS-03 / T-P1-27)。
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FR-SYS-03:图片不经应用服务器;实现契约见 docs/开发任务包/T5-上传预签名.md。
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图片不经应用服务器:本接口只做场景/类型/大小校验并签发 PUT 预签名 URL,
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字节流由客户端直传 COS。真实联调需在 `.env` 配 COS 四件套
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(COS_REGION / COS_SECRET_ID / COS_SECRET_KEY + 场景桶配置
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UPLOAD_SCENES_JSON);本地单测注入 FakeSigner,不依赖任何真实 COS。
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"""
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from __future__ import annotations
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from fastapi import APIRouter
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from apps.api.deps import CurrentUserId, StorageServiceDep
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from packages.shared.response import ok
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from packages.storage.schemas import PresignRequest
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router = APIRouter(prefix="/uploads", tags=["uploads"])
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@router.post("/presign", summary="签发图片直传 COS 的 PUT 预签名 URL")
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async def presign_upload(
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user_id: CurrentUserId,
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storage: StorageServiceDep,
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request: PresignRequest,
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) -> dict[str, object]:
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presigned = storage.build_presign(user_id=user_id, request=request)
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return ok(presigned.model_dump())
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