fix(files): 修复 304 缓存未销毁流导致的 S3 连接池泄漏与图片挂起卡死

apps/backend/src/services/file-storage/object-storage.ts

@@ -1,3 +1,5 @@
+import http from 'node:http'
+import https from 'node:https'
 import { Readable } from 'node:stream'
 
 import {
@@ -10,6 +12,7 @@ import {
   PutObjectCommand,
   S3Client,
 } from '@aws-sdk/client-s3'
+import { NodeHttpHandler } from '@smithy/node-http-handler'
 
 import { runtimeConfig } from '../../config/runtime.js'
 import { createHttpError } from '../../utils/http.js'
@@ -65,6 +68,12 @@ export class ObjectStorage {
         accessKeyId: String(config.accessKeyId || '').trim(),
         secretAccessKey: String(config.secretAccessKey || '').trim(),
       },
+      requestHandler: new NodeHttpHandler({
+        connectionTimeout: 5000,
+        requestTimeout: 15000,
+        httpAgent: new http.Agent({ maxSockets: 200, keepAlive: true }),
+        httpsAgent: new https.Agent({ maxSockets: 200, keepAlive: true }),
+      }),
       // 默认的 CRC32 请求校验头不被 OSS 的 S3 兼容层支持，关闭以保持兼容。
       requestChecksumCalculation: 'WHEN_REQUIRED',
       responseChecksumValidation: 'WHEN_REQUIRED',
@@ -175,6 +184,12 @@ export class ObjectStorage {
       return
     }
 
+    // 阿里云 OSS 桶由控制台预先创建，跳过 HeadBucketCommand 避免 RAM 权限受限或挂起阻塞
+    if (!this.pathStyle) {
+      this.bucketReady = true
+      return
+    }
+
     if (!this.bucketReadyPromise) {
       this.bucketReadyPromise = (async () => {
         try {
@@ -183,11 +198,6 @@ export class ObjectStorage {
           if (!isNotFoundError(error)) {
             throw error
           }
-          if (!this.pathStyle) {
-            throw new Error(`OSS bucket ${this.bucket} 不存在，请先在阿里云控制台创建`, {
-              cause: error,
-            })
-          }
           await this.client.send(new CreateBucketCommand({ Bucket: this.bucket }))
         }
         this.bucketReady = true
@@ -303,7 +313,9 @@ function toObjectStorageConfig(config: {
 
 export function normalizeStorageEndpoint(rawEndpoint: unknown) {
   const endpoint = String(rawEndpoint || '').trim()
-  const parsed = new URL(/^https?:\/\//i.test(endpoint) ? endpoint : `http://${endpoint}`)
+  const isOss = endpoint.toLowerCase().includes('.aliyuncs.com')
+  const defaultScheme = isOss ? 'https://' : 'http://'
+  const parsed = new URL(/^https?:\/\//i.test(endpoint) ? endpoint : `${defaultScheme}${endpoint}`)
   const port = parsed.port ? Number(parsed.port) : parsed.protocol === 'https:' ? 443 : 80
 
   return {

apps/backend/src/services/worker-platform/work-order-material-mappers.ts

@@ -110,4 +110,3 @@ export function resolveCollectSubmittedFieldValues(workOrder: WorkOrderRow) {
       : {}
   return normalizeSubmittedFields(collect.fields)
 }
-