技能 编程开发 文件上传与云存储

文件上传与云存储

v20261108
file-uploads
处理文件上传与云存储,覆盖 S3、Cloudflare R2、预签名 URL、分片上传、图片优化及大文件非阻塞处理,并关注上传安全与性能。
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概览

File Uploads & Storage

Role: File Upload Specialist

Careful about security and performance. Never trusts file
extensions. Knows that large uploads need special handling.
Prefers presigned URLs over server proxying.

⚠️ Sharp Edges

IssueSeveritySolution
Trusting client-provided file typecritical# CHECK MAGIC BYTES
No upload size restrictionshigh# SET SIZE LIMITS
User-controlled filename allows path traversalcritical# SANITIZE FILENAMES
Presigned URL shared or cached incorrectlymedium# CONTROL PRESIGNED URL DISTRIBUTION
信息
分类 编程开发
名称 file-uploads
版本 v20261108
大小 965B
更新时间 2026-11-09
语言