完成五人团队正式内用最小收口（07-18-small-team-internal-readiness）

server/src/services/storage/index.js

@@ -2,7 +2,7 @@ const fs = require("node:fs/promises");
 const fsSync = require("node:fs");
 const path = require("node:path");
 
-const { S3Client, PutObjectCommand, GetObjectCommand } = require("@aws-sdk/client-s3");
+const { DeleteObjectCommand, GetObjectCommand, PutObjectCommand, S3Client } = require("@aws-sdk/client-s3");
 
 class StorageNotFoundError extends Error {
   constructor(message) {
@@ -119,6 +119,34 @@ async function writeBuffer({ config, key, buffer, contentType }) {
   return key;
 }
 
+async function deleteObject({ config, storagePath }) {
+  const parsed = parseStoragePath(storagePath);
+  if (!parsed.key) {
+    return;
+  }
+
+  if (parsed.driver === "s3") {
+    const s3 = resolveS3Config(config);
+    const client = getS3Client(config);
+    await client.send(
+      new DeleteObjectCommand({
+        Bucket: s3.bucket,
+        Key: parsed.key,
+      }),
+    );
+    return;
+  }
+
+  const absolutePath = ensureSafeLocalPath(config.storageDir, parsed.key);
+  try {
+    await fs.unlink(absolutePath);
+  } catch (error) {
+    if (error?.code !== "ENOENT") {
+      throw error;
+    }
+  }
+}
+
 async function readFileBuffer({ config, storagePath }) {
   const parsed = parseStoragePath(storagePath);
   if (!parsed.key) {
@@ -206,6 +234,7 @@ async function openReadStream({ config, storagePath }) {
 }
 
 module.exports = {
+  deleteObject,
   StorageConfigError,
   StorageNotFoundError,
   openReadStream,
@@ -213,4 +242,3 @@ module.exports = {
   readFileBuffer,
   writeBuffer,
 };
-