feat: 完善媒体管理与备份迁移流程
- 视频上传生成缩略图并提供占位封面和失败原因展示 - 支持 HLS 按需重新封装 MP4,并限制临时文件生命周期与访问权限 - 完善视频、文件 API 文档、搜索、批量删除和单次转码质量参数 - 修复备份恢复与跨后端迁移遗漏缩略图、HLS 清单和分片的问题 - 将备份任务、归档和下载权限按用户隔离 - 增加仅清理当前用户数据的高危存储清空流程和二次文字确认 - 修复 S3 中文文件名元数据及 CLI 数据库连接问题 - 补充备份恢复、用户隔离、媒体资源和转码相关测试
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@@ -38,6 +38,15 @@ function contentTypeFromKey(key: string): string {
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}
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}
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function decodeMetadata(value: string | undefined): string | undefined {
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if (!value) return value
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try {
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return decodeURIComponent(value)
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} catch {
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return value
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}
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}
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export function buildObjectKey(prefix: string | undefined, key: string): string {
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const trimmed = prefix?.replace(/^\/+|\/+$/g, '') ?? ''
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return trimmed ? `${trimmed}/${key}` : key
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@@ -125,7 +134,8 @@ export class S3StorageBackend implements StorageBackend {
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Body: bytes,
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ContentType: meta.contentType,
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Metadata: {
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originalName: meta.originalName,
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// S3 metadata headers must be ASCII-safe.
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originalName: encodeURIComponent(meta.originalName),
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uploadedAt: meta.uploadedAt,
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userId: meta.userId != null ? String(meta.userId) : ''
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}
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@@ -144,7 +154,7 @@ export class S3StorageBackend implements StorageBackend {
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const uploadedAt = response.Metadata?.uploadedat
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?? response.LastModified?.toISOString()
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?? new Date().toISOString()
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const originalName = response.Metadata?.originalname
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const originalName = decodeMetadata(response.Metadata?.originalname)
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?? key.split('/').pop()
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?? 'image'
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const userIdRaw = response.Metadata?.userid
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