feat(edit): 编辑页上报ozon 开发

2026-09-30 15:57:54 +08:00
parent 0a303414d8
commit 45871584b3
48 changed files with 3700 additions and 887 deletions
@@ -0,0 +1,132 @@
+import { createHash, createHmac } from 'node:crypto';
+import {
+    GetObjectCommand,
+    PutObjectCommand,
+    type S3Client,
+} from '@aws-sdk/client-s3';
+import sharp from 'sharp';
+import type { OzonPublishItemSnapshot } from '@atlas/contracts';
+
+export type PublishMediaConfig = {
+    provider: string;
+    bucket: string;
+    downloadOrigin: string;
+    accessKey: string;
+    secretKey: string;
+    ttlSeconds: number;
+};
+
+/** 七牛私有下载凭证签署包含过期时间的完整 URL，凭证只在提交期间保留。 */
+export function qiniuPrivateDownloadUrl(
+    origin: string,
+    key: string,
+    deadline: number,
+    accessKey: string,
+    secretKey: string,
+): string {
+    const base = new URL(origin);
+    if (
+        base.protocol !== 'https:' ||
+        base.username ||
+        base.password ||
+        base.search ||
+        base.hash ||
+        base.pathname !== '/' ||
+        !accessKey ||
+        !secretKey ||
+        !Number.isSafeInteger(deadline) ||
+        deadline <= 0
+    )
+        throw new Error('请配置七牛公网 HTTPS 下载域名及签名凭据');
+    const url = `${base.origin}/${key.split('/').map(encodeURIComponent).join('/')}?e=${deadline}`;
+    const signature = createHmac('sha1', secretKey)
+        .update(url)
+        .digest('base64')
+        .replace(/\+/g, '-')
+        .replace(/\//g, '_');
+    return `${url}&token=${accessKey}:${signature}`;
+}
+
+/** 为本次发布复制不可变图片，源 checksum 不符时禁止交付；WebP 转为 JPEG。 */
+export async function prepareOzonImages(
+    storage: S3Client,
+    snapshot: OzonPublishItemSnapshot,
+    workspaceId: string,
+    jobId: string,
+    config: PublishMediaConfig,
+): Promise<string[]> {
+    if (
+        config.provider !== 'qiniu_kodo' ||
+        !config.downloadOrigin ||
+        !Number.isSafeInteger(config.ttlSeconds) ||
+        config.ttlSeconds < 3600
+    )
+        throw new Error(
+            '上架图片交付尚未配置，请配置七牛 HTTPS 下载域名和有效期',
+        );
+    const urls: string[] = [];
+    for (const media of snapshot.media) {
+        if (
+            media.storage_provider !== config.provider ||
+            media.bucket !== config.bucket
+        )
+            throw new Error('图片存储环境与当前七牛配置不一致，请先迁移素材');
+        const object = await storage.send(
+            new GetObjectCommand({
+                Bucket: media.bucket,
+                Key: media.object_key,
+            }),
+            { abortSignal: AbortSignal.timeout(60_000) },
+        );
+        if (!object.Body) throw new Error('发布源图片不存在');
+        const chunks: Buffer[] = [];
+        let size = 0;
+        for await (const chunk of object.Body as AsyncIterable<Uint8Array>) {
+            size += chunk.byteLength;
+            if (size > 20 * 1024 * 1024) throw new Error('发布图片超过 20 MB');
+            chunks.push(Buffer.from(chunk));
+        }
+        const source = Buffer.concat(chunks);
+        if (
+            createHash('sha256').update(source).digest('hex') !==
+            media.checksum_sha256
+        )
+            throw new Error('图片内容已变更，请重新保存草稿后上架');
+        const image = sharp(source, {
+            limitInputPixels: 100_000_000,
+            failOn: 'error',
+        });
+        const meta = await image.metadata();
+        if (!['jpeg', 'png', 'webp'].includes(meta.format ?? ''))
+            throw new Error('发布图片实际格式不受支持');
+        const webp = meta.format === 'webp';
+        const bytes = webp
+            ? await image
+                  .rotate()
+                  .flatten({ background: '#ffffff' })
+                  .jpeg({ quality: 95 })
+                  .toBuffer()
+            : source;
+        const ext = meta.format === 'png' ? 'png' : 'jpg';
+        const key = `publishing/${workspaceId}/${jobId}/${media.asset_id}-${media.checksum_sha256}.${ext}`;
+        await storage.send(
+            new PutObjectCommand({
+                Bucket: media.bucket,
+                Key: key,
+                Body: bytes,
+                ContentType: ext === 'png' ? 'image/png' : 'image/jpeg',
+            }),
+            { abortSignal: AbortSignal.timeout(60_000) },
+        );
+        urls.push(
+            qiniuPrivateDownloadUrl(
+                config.downloadOrigin,
+                key,
+                Math.floor(Date.now() / 1000) + config.ttlSeconds,
+                config.accessKey,
+                config.secretKey,
+            ),
+        );
+    }
+    return urls;
+}