데모를 위해 파일 용량 제한 추가, 비밀번호 변경 기능 삭제, 악용될 수 있는 API에 로깅 추가

v0.9.1

.dockerignore

@@ -13,6 +13,7 @@ node_modules
 /library
 /thumbnails
 /uploads
+/log
 
 # OS
 .DS_Store

.env.example

@@ -12,3 +12,4 @@ USER_CLIENT_CHALLENGE_EXPIRES=
 SESSION_UPGRADE_CHALLENGE_EXPIRES=
 LIBRARY_PATH=
 THUMBNAILS_PATH=
+UPLOADS_PATH=

.gitignore

@@ -11,6 +11,7 @@ node_modules
 /library
 /thumbnails
 /uploads
+/log
 
 # OS
 .DS_Store

docker-compose.yaml

@@ -9,6 +9,8 @@ services:
     volumes:
       - ./data/library:/app/data/library
       - ./data/thumbnails:/app/data/thumbnails
+      - ./data/uploads:/app/data/uploads
+      - ./data/log:/app/data/log
     environment:
       # ArkVault
       - DATABASE_HOST=database
@@ -20,6 +22,8 @@ services:
       - SESSION_UPGRADE_CHALLENGE_EXPIRES
       - LIBRARY_PATH=/app/data/library
       - THUMBNAILS_PATH=/app/data/thumbnails
+      - UPLOADS_PATH=/app/data/uploads
+      - LOG_DIR=/app/data/log
       # SvelteKit
       - ADDRESS_HEADER=${TRUST_PROXY:+X-Forwarded-For}
       - XFF_DEPTH=${TRUST_PROXY:-}

package.json

@@ -1,7 +1,7 @@
 {
   "name": "arkvault",
   "private": true,
-  "version": "0.9.1",
+  "version": "0.9.0",
   "type": "module",
   "scripts": {
     "dev": "vite dev",
@@ -16,56 +16,56 @@
     "db:migrate": "kysely migrate"
   },
   "devDependencies": {
-    "@eslint/compat": "^2.0.3",
+    "@eslint/compat": "^2.0.1",
-    "@eslint/js": "^9.39.4",
+    "@eslint/js": "^9.39.2",
-    "@iconify-json/material-symbols": "^1.2.61",
+    "@iconify-json/material-symbols": "^1.2.51",
     "@noble/hashes": "^2.0.1",
-    "@sveltejs/adapter-node": "^5.5.4",
+    "@sveltejs/adapter-node": "^5.5.1",
-    "@sveltejs/kit": "^2.53.4",
+    "@sveltejs/kit": "^2.49.5",
     "@sveltejs/vite-plugin-svelte": "^6.2.4",
-    "@tanstack/svelte-virtual": "^3.13.21",
+    "@tanstack/svelte-virtual": "^3.13.18",
-    "@trpc/client": "^11.12.0",
+    "@trpc/client": "^11.8.1",
     "@types/file-saver": "^2.0.7",
     "@types/ms": "^0.7.34",
     "@types/node-schedule": "^2.1.8",
-    "@types/pg": "^8.18.0",
+    "@types/pg": "^8.16.0",
-    "autoprefixer": "^10.4.27",
+    "autoprefixer": "^10.4.23",
-    "axios": "^1.13.6",
+    "axios": "^1.13.2",
-    "dexie": "^4.3.0",
+    "dexie": "^4.2.1",
     "es-hangul": "^2.3.8",
-    "eslint": "^9.39.4",
+    "eslint": "^9.39.2",
     "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-svelte": "^3.15.2",
+    "eslint-plugin-svelte": "^3.14.0",
     "eslint-plugin-tailwindcss": "^3.18.2",
-    "exifreader": "^4.36.2",
+    "exifreader": "^4.36.0",
     "file-saver": "^2.0.5",
-    "globals": "^17.4.0",
+    "globals": "^17.0.0",
     "heic2any": "^0.0.4",
     "kysely-ctl": "^0.20.0",
-    "lru-cache": "^11.2.6",
+    "lru-cache": "^11.2.4",
     "mime": "^4.1.0",
-    "p-limit": "^7.3.0",
+    "p-limit": "^7.2.0",
-    "prettier": "^3.8.1",
+    "prettier": "^3.8.0",
-    "prettier-plugin-svelte": "^3.5.1",
+    "prettier-plugin-svelte": "^3.4.1",
     "prettier-plugin-tailwindcss": "^0.7.2",
-    "svelte": "^5.53.9",
+    "svelte": "^5.46.4",
-    "svelte-check": "^4.4.5",
+    "svelte-check": "^4.3.5",
     "tailwindcss": "^3.4.19",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.57.0",
+    "typescript-eslint": "^8.53.0",
     "unplugin-icons": "^23.0.1",
     "vite": "^7.3.1"
   },
   "dependencies": {
-    "@trpc/server": "^11.12.0",
+    "@trpc/server": "^11.8.1",
     "argon2": "^0.44.0",
-    "kysely": "^0.28.11",
+    "kysely": "^0.28.9",
     "ms": "^2.1.3",
     "node-schedule": "^2.1.1",
-    "pg": "^8.20.0",
+    "pg": "^8.17.1",
     "superjson": "^2.2.6",
     "uuid": "^13.0.0",
-    "zod": "^4.3.6"
+    "zod": "^4.3.5"
   },
   "engines": {
     "node": "^22.0.0",

src/lib/constants/upload.ts

@@ -4,3 +4,6 @@ export const ENCRYPTION_OVERHEAD = AES_GCM_IV_SIZE + AES_GCM_TAG_SIZE;
 
 export const CHUNK_SIZE = 4 * 1024 * 1024; // 4 MiB
 export const ENCRYPTED_CHUNK_SIZE = CHUNK_SIZE + ENCRYPTION_OVERHEAD;
+
+export const MAX_FILE_SIZE = 512 * 1024 * 1024; // 512 MiB
+export const MAX_CHUNKS = Math.ceil(MAX_FILE_SIZE / CHUNK_SIZE); // 128 chunks

src/lib/modules/file/upload.svelte.ts

@@ -168,7 +168,7 @@ const requestFileUpload = limitFunction(
   ) => {
     state.status = "uploading";
 
-    const { encContentHash } = await uploadBlob(uploadId, file, dataKey, {
+    await uploadBlob(uploadId, file, dataKey, {
       onProgress(s) {
         state.progress = s.progress;
         state.rate = s.rate;
@@ -178,7 +178,6 @@ const requestFileUpload = limitFunction(
     const { file: fileId } = await trpc().upload.completeFileUpload.mutate({
       uploadId,
       contentHmac: fileSigned,
-      encContentHash,
     });
 
     if (thumbnailBuffer) {

src/lib/modules/http.ts

@@ -12,3 +12,11 @@ export const parseRangeHeader = (value: string | null) => {
 export const getContentRangeHeader = (range?: { start: number; end: number; total: number }) => {
   return range && { "Content-Range": `bytes ${range.start}-${range.end}/${range.total}` };
 };
+
+export const parseContentDigestHeader = (value: string | null) => {
+  if (!value) return undefined;
+
+  const firstDigest = value.split(",")[0]!.trim();
+  const match = firstDigest.match(/^sha-256=:([A-Za-z0-9+/=]+):$/);
+  return match?.[1];
+};

src/lib/modules/upload.ts

@@ -1,8 +1,7 @@
-import { sha256 } from "@noble/hashes/sha2.js";
 import axios from "axios";
 import pLimit from "p-limit";
 import { ENCRYPTION_OVERHEAD, CHUNK_SIZE } from "$lib/constants";
-import { encodeToBase64, encryptChunk } from "$lib/modules/crypto";
+import { encryptChunk, digestMessage, encodeToBase64 } from "$lib/modules/crypto";
 import { BoundedQueue } from "$lib/utils";
 
 interface UploadStats {
@@ -13,6 +12,7 @@ interface UploadStats {
 interface EncryptedChunk {
   index: number;
   data: ArrayBuffer;
+  hash: string;
 }
 
 const createSpeedMeter = (timeWindow = 3000, minInterval = 200, warmupPeriod = 500) => {
@@ -68,18 +68,27 @@ const createSpeedMeter = (timeWindow = 3000, minInterval = 200, warmupPeriod = 5
   };
 };
 
-const encryptChunkData = async (chunk: Blob, dataKey: CryptoKey): Promise<ArrayBuffer> => {
+const encryptChunkData = async (
-  return await encryptChunk(await chunk.arrayBuffer(), dataKey);
+  chunk: Blob,
+  dataKey: CryptoKey,
+): Promise<{ data: ArrayBuffer; hash: string }> => {
+  const encrypted = await encryptChunk(await chunk.arrayBuffer(), dataKey);
+  const hash = encodeToBase64(await digestMessage(encrypted));
+  return { data: encrypted, hash };
 };
 
 const uploadEncryptedChunk = async (
   uploadId: string,
   chunkIndex: number,
   encrypted: ArrayBuffer,
+  hash: string,
   onChunkProgress: (chunkIndex: number, loaded: number) => void,
 ) => {
   await axios.post(`/api/upload/${uploadId}/chunks/${chunkIndex + 1}`, encrypted, {
-    headers: { "Content-Type": "application/octet-stream" },
+    headers: {
+      "Content-Type": "application/octet-stream",
+      "Content-Digest": `sha-256=:${hash}:`,
+    },
     onUploadProgress(e) {
       onChunkProgress(chunkIndex, e.loaded ?? 0);
     },
@@ -103,7 +112,6 @@ export const uploadBlob = async (
 
   const uploadedByChunk = new Array<number>(totalChunks).fill(0);
   const speedMeter = createSpeedMeter(3000, 200);
-  const hash = sha256.create();
 
   const emit = () => {
     if (!onProgress) return;
@@ -128,9 +136,8 @@ export const uploadBlob = async (
     try {
       for (let i = 0; i < totalChunks; i++) {
         const chunk = blob.slice(i * CHUNK_SIZE, (i + 1) * CHUNK_SIZE);
-        const data = await encryptChunkData(chunk, dataKey);
+        const { data, hash } = await encryptChunkData(chunk, dataKey);
-        hash.update(new Uint8Array(data));
+        await queue.push({ index: i, data, hash });
-        await queue.push({ index: i, data });
       }
     } catch (e) {
       encryptionError = e instanceof Error ? e : new Error(String(e));
@@ -151,7 +158,7 @@ export const uploadBlob = async (
 
       const task = limit(async () => {
         try {
-          await uploadEncryptedChunk(uploadId, item.index, item.data, onChunkProgress);
+          await uploadEncryptedChunk(uploadId, item.index, item.data, item.hash, onChunkProgress);
         } finally {
           // @ts-ignore
           item.data = null;
@@ -173,5 +180,4 @@ export const uploadBlob = async (
   await Promise.all([encryptionProducer(), uploadConsumer()]);
 
   onProgress?.({ progress: 1, rate: speedMeter() });
-  return { encContentHash: encodeToBase64(hash.digest()) };
 };

src/lib/server/db/error.ts

@@ -11,6 +11,7 @@ type IntegrityErrorMessages =
   | "Directory already favorited"
   | "Directory not favorited"
   | "File not found"
+  | "File is not legacy"
   | "File not found in category"
   | "File already added to category"
   | "File already favorited"

src/lib/server/db/file.ts

@@ -141,6 +141,17 @@ export const getAllFileIds = async (userId: number) => {
   return files.map(({ id }) => id);
 };
 
+export const getLegacyFiles = async (userId: number, limit: number = 100) => {
+  const files = await db
+    .selectFrom("file")
+    .selectAll()
+    .where("user_id", "=", userId)
+    .where("encrypted_content_iv", "is not", null)
+    .limit(limit)
+    .execute();
+  return files.map(toFile);
+};
+
 export const getFilesWithoutThumbnail = async (userId: number, limit: number = 100) => {
   const files = await db
     .selectFrom("file")
@@ -405,6 +416,51 @@ export const unregisterFile = async (userId: number, fileId: number) => {
   });
 };
 
+export const migrateFileContent = async (
+  trx: typeof db,
+  userId: number,
+  fileId: number,
+  newPath: string,
+  dekVersion: Date,
+  encContentHash: string,
+) => {
+  const file = await trx
+    .selectFrom("file")
+    .select(["path", "data_encryption_key_version", "encrypted_content_iv"])
+    .where("id", "=", fileId)
+    .where("user_id", "=", userId)
+    .limit(1)
+    .forUpdate()
+    .executeTakeFirst();
+  if (!file) {
+    throw new IntegrityError("File not found");
+  } else if (file.data_encryption_key_version.getTime() !== dekVersion.getTime()) {
+    throw new IntegrityError("Invalid DEK version");
+  } else if (!file.encrypted_content_iv) {
+    throw new IntegrityError("File is not legacy");
+  }
+
+  await trx
+    .updateTable("file")
+    .set({
+      path: newPath,
+      encrypted_content_iv: null,
+      encrypted_content_hash: encContentHash,
+    })
+    .where("id", "=", fileId)
+    .where("user_id", "=", userId)
+    .execute();
+  await trx
+    .insertInto("file_log")
+    .values({
+      file_id: fileId,
+      timestamp: new Date(),
+      action: "migrate",
+    })
+    .execute();
+  return { oldPath: file.path };
+};
+
 export const addFileToCategory = async (fileId: number, categoryId: number) => {
   await db.transaction().execute(async (trx) => {
     try {

src/lib/server/db/schema/upload.ts

@@ -3,7 +3,7 @@ import type { Ciphertext } from "./utils";
 
 export interface UploadSessionTable {
   id: string;
-  type: "file" | "thumbnail";
+  type: "file" | "thumbnail" | "migration";
   user_id: number;
   path: string;
   bitmap: Buffer;

src/lib/server/db/upload.ts

@@ -26,8 +26,8 @@ interface FileUploadSession extends BaseUploadSession {
   encLastModifiedAt: Ciphertext;
 }
 
-interface ThumbnailUploadSession extends BaseUploadSession {
+interface ThumbnailOrMigrationUploadSession extends BaseUploadSession {
-  type: "thumbnail";
+  type: "thumbnail" | "migration";
   fileId: number;
   dekVersion: Date;
 }
@@ -86,8 +86,8 @@ export const createFileUploadSession = async (
   });
 };
 
-export const createThumbnailUploadSession = async (
+export const createThumbnailOrMigrationUploadSession = async (
-  params: Omit<ThumbnailUploadSession, "bitmap" | "uploadedChunks">,
+  params: Omit<ThumbnailOrMigrationUploadSession, "bitmap" | "uploadedChunks">,
 ) => {
   await db.transaction().execute(async (trx) => {
     const file = await trx
@@ -164,7 +164,7 @@ export const getUploadSession = async (sessionId: string, userId: number) => {
       expiresAt: session.expires_at,
       fileId: session.file_id!,
       dekVersion: session.data_encryption_key_version!,
-    } satisfies ThumbnailUploadSession;
+    } satisfies ThumbnailOrMigrationUploadSession;
   }
 };
 

src/lib/server/loadenv.ts

@@ -26,4 +26,5 @@ export default {
   },
   libraryPath: env.LIBRARY_PATH || "library",
   thumbnailsPath: env.THUMBNAILS_PATH || "thumbnails",
+  uploadsPath: env.UPLOADS_PATH || "uploads",
 };

src/lib/server/modules/filesystem.ts

@@ -1,4 +1,10 @@
-import { unlink } from "fs/promises";
+import { rm, unlink } from "fs/promises";
+
+export const safeRecursiveRm = async (path: string | null | undefined) => {
+  if (path) {
+    await rm(path, { recursive: true }).catch(console.error);
+  }
+};
 
 export const safeUnlink = async (path: string | null | undefined) => {
   if (path) {

src/lib/server/modules/logger.ts

@@ -0,0 +1,37 @@
+import { appendFileSync, existsSync, mkdirSync } from "fs";
+import { env } from "$env/dynamic/private";
+
+const LOG_DIR = env.LOG_DIR || "log";
+
+const getLogFilePath = () => {
+  const date = new Date().toISOString().slice(0, 10); // YYYY-MM-DD
+  return `${LOG_DIR}/arkvault-${date}.log`;
+};
+
+const ensureLogDir = () => {
+  if (!existsSync(LOG_DIR)) {
+    mkdirSync(LOG_DIR, { recursive: true });
+  }
+};
+
+const formatLogLine = (type: string, data: Record<string, unknown>) => {
+  const timestamp = new Date().toISOString();
+  return JSON.stringify({ timestamp, type, ...data });
+};
+
+export const demoLogger = {
+  log: (type: string, data: Record<string, unknown>) => {
+    const line = formatLogLine(type, data);
+
+    // Output to stdout
+    console.log(line);
+
+    // Output to file
+    try {
+      ensureLogDir();
+      appendFileSync(getLogFilePath(), line + "\n", { encoding: "utf-8" });
+    } catch (e) {
+      console.error("Failed to write to log file:", e);
+    }
+  },
+};

src/lib/server/services/upload.ts

@@ -1,9 +1,10 @@
 import { error } from "@sveltejs/kit";
-import { open } from "fs/promises";
+import { createHash } from "crypto";
+import { createWriteStream } from "fs";
 import { Readable } from "stream";
 import { ENCRYPTION_OVERHEAD, ENCRYPTED_CHUNK_SIZE } from "$lib/constants";
 import { UploadRepo } from "$lib/server/db";
-import { safeUnlink } from "$lib/server/modules/filesystem";
+import { safeRecursiveRm, safeUnlink } from "$lib/server/modules/filesystem";
 
 const chunkLocks = new Set<string>();
 
@@ -13,61 +14,12 @@ const isChunkUploaded = (bitmap: Buffer, chunkIndex: number) => {
   return !!byte && (byte & (1 << (chunkIndex % 8))) !== 0; // Postgres sucks
 };
 
-const writeChunkAtOffset = async (
-  path: string,
-  encChunkStream: Readable,
-  chunkIndex: number,
-  isLastChunk: boolean,
-) => {
-  const offset = (chunkIndex - 1) * ENCRYPTED_CHUNK_SIZE;
-  const file = await open(path, "r+");
-  let written = 0;
-
-  try {
-    for await (const chunk of encChunkStream) {
-      const buffer = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk);
-      written += buffer.length;
-      if (written > ENCRYPTED_CHUNK_SIZE) {
-        throw new Error("Invalid chunk size");
-      }
-
-      let chunkOffset = 0;
-      while (chunkOffset < buffer.length) {
-        const { bytesWritten } = await file.write(
-          buffer,
-          chunkOffset,
-          buffer.length - chunkOffset,
-          offset + written - buffer.length + chunkOffset,
-        );
-        if (bytesWritten <= 0) {
-          throw new Error("Failed to write chunk");
-        }
-        chunkOffset += bytesWritten;
-      }
-    }
-
-    if (
-      (!isLastChunk && written !== ENCRYPTED_CHUNK_SIZE) ||
-      (isLastChunk && (written <= ENCRYPTION_OVERHEAD || written > ENCRYPTED_CHUNK_SIZE))
-    ) {
-      throw new Error("Invalid chunk size");
-    }
-
-    if (isLastChunk) {
-      await file.truncate(offset + written);
-    }
-
-    return written;
-  } finally {
-    await file.close();
-  }
-};
-
 export const uploadChunk = async (
   userId: number,
   sessionId: string,
   chunkIndex: number,
   encChunkStream: Readable,
+  encChunkHash: string,
 ) => {
   const lockKey = `${sessionId}/${chunkIndex}`;
   if (chunkLocks.has(lockKey)) {
@@ -76,6 +28,8 @@ export const uploadChunk = async (
     chunkLocks.add(lockKey);
   }
 
+  let filePath;
+
   try {
     const session = await UploadRepo.getUploadSession(sessionId, userId);
     if (!session) {
@@ -87,10 +41,39 @@ export const uploadChunk = async (
     }
 
     const isLastChunk = chunkIndex === session.totalChunks;
-    await writeChunkAtOffset(session.path, encChunkStream, chunkIndex, isLastChunk);
+    filePath = `${session.path}/${chunkIndex}`;
+
+    const hashStream = createHash("sha256");
+    const writeStream = createWriteStream(filePath, { flags: "wx", mode: 0o600 });
+    let writtenBytes = 0;
+
+    for await (const chunk of encChunkStream) {
+      hashStream.update(chunk);
+      writeStream.write(chunk);
+      writtenBytes += chunk.length;
+    }
+
+    await new Promise<void>((resolve, reject) => {
+      writeStream.end((e: any) => (e ? reject(e) : resolve()));
+    });
+
+    if (hashStream.digest("base64") !== encChunkHash) {
+      throw new Error("Invalid checksum");
+    } else if (
+      (!isLastChunk && writtenBytes !== ENCRYPTED_CHUNK_SIZE) ||
+      (isLastChunk && (writtenBytes <= ENCRYPTION_OVERHEAD || writtenBytes > ENCRYPTED_CHUNK_SIZE))
+    ) {
+      throw new Error("Invalid chunk size");
+    }
+
     await UploadRepo.markChunkAsUploaded(sessionId, chunkIndex);
   } catch (e) {
-    if (e instanceof Error && e.message === "Invalid chunk size") {
+    await safeUnlink(filePath);
+
+    if (
+      e instanceof Error &&
+      (e.message === "Invalid checksum" || e.message === "Invalid chunk size")
+    ) {
       error(400, "Invalid request body");
     }
     throw e;
@@ -101,5 +84,5 @@ export const uploadChunk = async (
 
 export const cleanupExpiredUploadSessions = async () => {
   const paths = await UploadRepo.cleanupExpiredUploadSessions();
-  await Promise.all(paths.map(safeUnlink));
+  await Promise.all(paths.map(safeRecursiveRm));
 };

src/routes/(fullscreen)/auth/login/+page.svelte

@@ -14,8 +14,8 @@
 
   let { data } = $props();
 
-  let email = $state("");
+  let email = $state("arkvault-demo@minchan.me");
-  let password = $state("");
+  let password = $state("arkvault-demo");
 
   let isForceLoginModalOpen = $state(false);
 

src/routes/(fullscreen)/settings/migration/+page.server.ts

@@ -0,0 +1,7 @@
+import { createCaller } from "$trpc/router.server";
+import type { PageServerLoad } from "./$types";
+
+export const load: PageServerLoad = async (event) => {
+  const files = await createCaller(event).file.listLegacy();
+  return { files };
+};

src/routes/(fullscreen)/settings/migration/+page.svelte

@@ -0,0 +1,82 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+  import { goto } from "$app/navigation";
+  import { BottomDiv, Button, FullscreenDiv } from "$lib/components/atoms";
+  import { TopBar } from "$lib/components/molecules";
+  import type { MaybeFileInfo } from "$lib/modules/filesystem";
+  import { masterKeyStore } from "$lib/stores";
+  import { sortEntries } from "$lib/utils";
+  import File from "./File.svelte";
+  import {
+    getMigrationState,
+    clearMigrationStates,
+    requestLegacyFiles,
+    requestFileMigration,
+  } from "./service.svelte";
+
+  let { data } = $props();
+
+  let fileInfos: MaybeFileInfo[] = $state([]);
+  let files = $derived(
+    fileInfos
+      .map((info) => ({
+        info,
+        state: getMigrationState(info.id),
+      }))
+      .filter((file) => file.state?.status !== "uploaded"),
+  );
+
+  const migrateAllFiles = () => {
+    files.forEach(({ info }) => {
+      if (info.exists) {
+        requestFileMigration(info);
+      }
+    });
+  };
+
+  onMount(async () => {
+    fileInfos = sortEntries(await requestLegacyFiles(data.files, $masterKeyStore?.get(1)?.key!));
+  });
+
+  $effect(() => clearMigrationStates);
+</script>
+
+<svelte:head>
+  <title>암호화 마이그레이션</title>
+</svelte:head>
+
+<TopBar title="암호화 마이그레이션" />
+<FullscreenDiv>
+  {#if files.length > 0}
+    <div class="space-y-4 pb-4">
+      <p class="break-keep text-gray-800">
+        이전 버전의 ArkVault에서 업로드된 {files.length}개 파일을 다시 암호화할 수 있어요.
+      </p>
+      <div class="space-y-2">
+        {#each files as { info, state } (info.id)}
+          {#if info.exists}
+            <File
+              {info}
+              {state}
+              onclick={({ id }) => goto(`/file/${id}`)}
+              onMigrateClick={requestFileMigration}
+            />
+          {/if}
+        {/each}
+      </div>
+    </div>
+    <BottomDiv>
+      <Button onclick={migrateAllFiles} class="w-full">모두 다시 암호화하기</Button>
+    </BottomDiv>
+  {:else}
+    <div class="flex flex-grow items-center justify-center">
+      <p class="text-gray-500">
+        {#if data.files.length === 0}
+          마이그레이션할 파일이 없어요.
+        {:else}
+          파일 목록을 불러오고 있어요.
+        {/if}
+      </p>
+    </div>
+  {/if}
+</FullscreenDiv>

src/routes/(fullscreen)/settings/migration/File.svelte

@@ -0,0 +1,52 @@
+<script module lang="ts">
+  const subtexts = {
+    queued: "대기 중",
+    downloading: "다운로드하는 중",
+    "upload-pending": "업로드를 기다리는 중",
+    uploaded: "",
+    error: "실패",
+  } as const;
+</script>
+
+<script lang="ts">
+  import { ActionEntryButton } from "$lib/components/atoms";
+  import { DirectoryEntryLabel } from "$lib/components/molecules";
+  import type { FileInfo } from "$lib/modules/filesystem";
+  import { formatDateTime, formatNetworkSpeed } from "$lib/utils";
+  import type { MigrationState } from "./service.svelte";
+
+  import IconSync from "~icons/material-symbols/sync";
+
+  type FileInfoWithExists = FileInfo & { exists: true };
+
+  interface Props {
+    info: FileInfoWithExists;
+    onclick: (file: FileInfo) => void;
+    onMigrateClick: (file: FileInfoWithExists) => void;
+    state: MigrationState | undefined;
+  }
+
+  let { info, onclick, onMigrateClick, state }: Props = $props();
+
+  let subtext = $derived.by(() => {
+    if (!state) {
+      return formatDateTime(info.createdAt ?? info.lastModifiedAt);
+    }
+    if (state.status === "uploading") {
+      const progress = Math.floor((state.progress ?? 0) * 100);
+      const speed = formatNetworkSpeed((state.rate ?? 0) * 8);
+      return `전송됨 ${progress}% · ${speed}`;
+    }
+    return subtexts[state.status] ?? state.status;
+  });
+</script>
+
+<ActionEntryButton
+  class="h-14"
+  onclick={() => onclick(info)}
+  actionButtonIcon={!state || state.status === "error" ? IconSync : undefined}
+  onActionButtonClick={() => onMigrateClick(info)}
+  actionButtonClass="text-gray-800"
+>
+  <DirectoryEntryLabel type="file" name={info.name} {subtext} />
+</ActionEntryButton>

src/routes/(fullscreen)/settings/migration/service.svelte.ts

@@ -0,0 +1,116 @@
+import { limitFunction } from "p-limit";
+import { SvelteMap } from "svelte/reactivity";
+import { CHUNK_SIZE } from "$lib/constants";
+import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
+import { uploadBlob } from "$lib/modules/upload";
+import { requestFileDownload } from "$lib/services/file";
+import { HybridPromise, Scheduler } from "$lib/utils";
+import { trpc } from "$trpc/client";
+import type { RouterOutputs } from "$trpc/router.server";
+
+export type MigrationStatus =
+  | "queued"
+  | "downloading"
+  | "upload-pending"
+  | "uploading"
+  | "uploaded"
+  | "error";
+
+export interface MigrationState {
+  status: MigrationStatus;
+  progress?: number;
+  rate?: number;
+}
+
+const scheduler = new Scheduler();
+const states = new SvelteMap<number, MigrationState>();
+
+export const requestLegacyFiles = async (
+  filesRaw: RouterOutputs["file"]["listLegacy"],
+  masterKey: CryptoKey,
+) => {
+  const files = await HybridPromise.all(
+    filesRaw.map((file) => getFileInfo(file.id, masterKey, { serverResponse: file })),
+  );
+  return files;
+};
+
+const createState = (status: MigrationStatus): MigrationState => {
+  const state = $state({ status });
+  return state;
+};
+
+export const getMigrationState = (fileId: number) => {
+  return states.get(fileId);
+};
+
+export const clearMigrationStates = () => {
+  for (const [id, state] of states) {
+    if (state.status === "uploaded" || state.status === "error") {
+      states.delete(id);
+    }
+  }
+};
+
+const requestFileUpload = limitFunction(
+  async (
+    state: MigrationState,
+    fileId: number,
+    fileBuffer: ArrayBuffer,
+    dataKey: CryptoKey,
+    dataKeyVersion: Date,
+  ) => {
+    state.status = "uploading";
+
+    const { uploadId } = await trpc().upload.startMigrationUpload.mutate({
+      file: fileId,
+      chunks: Math.ceil(fileBuffer.byteLength / CHUNK_SIZE),
+      dekVersion: dataKeyVersion,
+    });
+
+    await uploadBlob(uploadId, new Blob([fileBuffer]), dataKey, {
+      onProgress(s) {
+        state.progress = s.progress;
+        state.rate = s.rate;
+      },
+    });
+
+    await trpc().upload.completeMigrationUpload.mutate({ uploadId });
+    state.status = "uploaded";
+  },
+  { concurrency: 1 },
+);
+
+export const requestFileMigration = async (fileInfo: FileInfo) => {
+  let state = states.get(fileInfo.id);
+  if (state) {
+    if (state.status !== "error") return;
+    state.status = "queued";
+    state.progress = undefined;
+    state.rate = undefined;
+  } else {
+    state = createState("queued");
+    states.set(fileInfo.id, state);
+  }
+
+  try {
+    const dataKey = fileInfo.dataKey;
+    if (!dataKey) {
+      throw new Error("Data key not available");
+    }
+
+    let fileBuffer: ArrayBuffer | undefined;
+
+    await scheduler.schedule(
+      async () => {
+        state.status = "downloading";
+        fileBuffer = await requestFileDownload(fileInfo.id, dataKey.key, true);
+        return fileBuffer.byteLength;
+      },
+      () => requestFileUpload(state, fileInfo.id, fileBuffer!, dataKey.key, dataKey.version),
+    );
+  } catch (e) {
+    state.status = "error";
+    throw e;
+  }
+};

src/routes/(main)/menu/+page.svelte

@@ -5,6 +5,7 @@
 
   import IconStorage from "~icons/material-symbols/storage";
   import IconImage from "~icons/material-symbols/image";
+  import IconLockReset from "~icons/material-symbols/lock-reset";
   import IconPassword from "~icons/material-symbols/password";
   import IconLogout from "~icons/material-symbols/logout";
 
@@ -41,16 +42,16 @@
     >
       썸네일
     </MenuEntryButton>
+    <MenuEntryButton
+      onclick={() => goto("/settings/migration")}
+      icon={IconLockReset}
+      iconColor="text-teal-500"
+    >
+      암호화 마이그레이션
+    </MenuEntryButton>
   </div>
   <div class="space-y-2">
     <p class="font-semibold">보안</p>
-    <MenuEntryButton
-      onclick={() => goto("/auth/changePassword")}
-      icon={IconPassword}
-      iconColor="text-blue-500"
-    >
-      비밀번호 바꾸기
-    </MenuEntryButton>
     <MenuEntryButton onclick={logout} icon={IconLogout} iconColor="text-red-500">
       로그아웃
     </MenuEntryButton>

src/routes/api/upload/[id]/chunks/[index]/+server.ts

@@ -2,6 +2,7 @@ import { error, text } from "@sveltejs/kit";
 import { Readable } from "stream";
 import type { ReadableStream } from "stream/web";
 import { z } from "zod";
+import { parseContentDigestHeader } from "$lib/modules/http";
 import { authorize } from "$lib/server/modules/auth";
 import { uploadChunk } from "$lib/server/services/upload";
 import type { RequestHandler } from "./$types";
@@ -18,7 +19,10 @@ export const POST: RequestHandler = async ({ locals, params, request }) => {
   if (!zodRes.success) error(400, "Invalid path parameters");
   const { id: sessionId, index: chunkIndex } = zodRes.data;
 
-  if (!request.body) {
+  const encContentHash = parseContentDigestHeader(request.headers.get("Content-Digest"));
+  if (!encContentHash) {
+    error(400, "Invalid request headers");
+  } else if (!request.body) {
     error(400, "Invalid request body");
   }
 
@@ -27,6 +31,7 @@ export const POST: RequestHandler = async ({ locals, params, request }) => {
     sessionId,
     chunkIndex,
     Readable.fromWeb(request.body as ReadableStream),
+    encContentHash,
   );
   return text("Chunk uploaded", { headers: { "Content-Type": "text/plain" } });
 };

src/trpc/routers/auth.ts

@@ -5,6 +5,7 @@ import { ClientRepo, SessionRepo, UserRepo, IntegrityError } from "$lib/server/d
 import env from "$lib/server/loadenv";
 import { cookieOptions } from "$lib/server/modules/auth";
 import { generateChallenge, verifySignature, issueSessionId } from "$lib/server/modules/crypto";
+import { demoLogger } from "$lib/server/modules/logger";
 import { router, publicProcedure, roleProcedure } from "../init.server";
 
 const authRouter = router({
@@ -24,6 +25,10 @@ const authRouter = router({
       const { sessionId, sessionIdSigned } = await issueSessionId(32, env.session.secret);
       await SessionRepo.createSession(user.id, sessionId, ctx.locals.ip, ctx.locals.userAgent);
       ctx.cookies.set("sessionId", sessionIdSigned, cookieOptions);
+
+      if (input.email === "arkvault-demo@minchan.me") {
+        demoLogger.log("demo:login", { ip: ctx.locals.ip, sessionId });
+      }
     }),
 
   logout: roleProcedure["any"].mutation(async ({ ctx }) => {
@@ -38,22 +43,8 @@ const authRouter = router({
         newPassword: z.string().nonempty(),
       }),
     )
-    .mutation(async ({ ctx, input }) => {
+    .mutation(() => {
-      if (input.oldPassword === input.newPassword) {
+      throw new TRPCError({ code: "NOT_IMPLEMENTED" });
-        throw new TRPCError({ code: "BAD_REQUEST", message: "Same passwords" });
-      } else if (input.newPassword.length < 8) {
-        throw new TRPCError({ code: "BAD_REQUEST", message: "Too short password" });
-      }
-
-      const user = await UserRepo.getUser(ctx.session.userId);
-      if (!user) {
-        throw new TRPCError({ code: "INTERNAL_SERVER_ERROR", message: "Invalid session id" });
-      } else if (!(await argon2.verify(user.password, input.oldPassword))) {
-        throw new TRPCError({ code: "FORBIDDEN", message: "Invalid password" });
-      }
-
-      await UserRepo.setUserPassword(ctx.session.userId, await argon2.hash(input.newPassword));
-      await SessionRepo.deleteAllOtherSessions(ctx.session.userId, ctx.session.sessionId);
     }),
 
   upgrade: roleProcedure["notClient"]

src/trpc/routers/directory.ts

@@ -3,6 +3,7 @@ import { z } from "zod";
 import { DirectoryIdSchema } from "$lib/schemas";
 import { DirectoryRepo, FileRepo, IntegrityError } from "$lib/server/db";
 import { safeUnlink } from "$lib/server/modules/filesystem";
+import { demoLogger } from "$lib/server/modules/logger";
 import { router, roleProcedure } from "../init.server";
 
 const directoryRouter = router({
@@ -134,6 +135,7 @@ const directoryRouter = router({
         const files = await DirectoryRepo.unregisterDirectory(ctx.session.userId, input.id);
         return {
           deletedFiles: files.map((file) => {
+            demoLogger.log("file:delete", { ip: ctx.locals.ip, fileId: file.id, recursive: true });
             safeUnlink(file.path); // Intended
             safeUnlink(file.thumbnailPath); // Intended
             return file.id;

src/trpc/routers/file.ts

@@ -2,6 +2,7 @@ import { TRPCError } from "@trpc/server";
 import { z } from "zod";
 import { FileRepo, MediaRepo, IntegrityError } from "$lib/server/db";
 import { safeUnlink } from "$lib/server/modules/filesystem";
+import { demoLogger } from "$lib/server/modules/logger";
 import { router, roleProcedure } from "../init.server";
 
 const fileRouter = router({
@@ -118,6 +119,26 @@ const fileRouter = router({
     }));
   }),
 
+  listLegacy: roleProcedure["activeClient"].query(async ({ ctx }) => {
+    const files = await FileRepo.getLegacyFiles(ctx.session.userId);
+    return files.map((file) => ({
+      id: file.id,
+      isLegacy: true,
+      parent: file.parentId,
+      mekVersion: file.mekVersion,
+      dek: file.encDek,
+      dekVersion: file.dekVersion,
+      contentType: file.contentType,
+      name: file.encName.ciphertext,
+      nameIv: file.encName.iv,
+      createdAt: file.encCreatedAt?.ciphertext,
+      createdAtIv: file.encCreatedAt?.iv,
+      lastModifiedAt: file.encLastModifiedAt.ciphertext,
+      lastModifiedAtIv: file.encLastModifiedAt.iv,
+      isFavorite: file.isFavorite,
+    }));
+  }),
+
   rename: roleProcedure["activeClient"]
     .input(
       z.object({
@@ -154,6 +175,7 @@ const fileRouter = router({
     .mutation(async ({ ctx, input }) => {
       try {
         const { path, thumbnailPath } = await FileRepo.unregisterFile(ctx.session.userId, input.id);
+        demoLogger.log("file:delete", { ip: ctx.locals.ip, fileId: input.id });
         safeUnlink(path); // Intended
         safeUnlink(thumbnailPath); // Intended
       } catch (e) {

src/trpc/routers/upload.ts

@@ -1,39 +1,28 @@
 import { TRPCError } from "@trpc/server";
 import { createHash } from "crypto";
-import { createReadStream } from "fs";
+import { createReadStream, createWriteStream } from "fs";
-import { mkdir, open } from "fs/promises";
+import { copyFile, mkdir } from "fs/promises";
 import mime from "mime";
 import { dirname } from "path";
 import { v4 as uuidv4 } from "uuid";
 import { z } from "zod";
+import { MAX_CHUNKS } from "$lib/constants";
 import { DirectoryIdSchema } from "$lib/schemas";
 import { FileRepo, MediaRepo, UploadRepo, IntegrityError } from "$lib/server/db";
 import db from "$lib/server/db/kysely";
 import env from "$lib/server/loadenv";
-import { safeUnlink } from "$lib/server/modules/filesystem";
+import { safeRecursiveRm, safeUnlink } from "$lib/server/modules/filesystem";
+import { demoLogger } from "$lib/server/modules/logger";
 import { router, roleProcedure } from "../init.server";
 
 const UPLOADS_EXPIRES = 24 * 3600 * 1000; // 24 hours
 
 const sessionLocks = new Set<string>();
 
-const reserveUploadPath = async (path: string) => {
+const generateSessionId = async () => {
-  await mkdir(dirname(path), { recursive: true });
-  const file = await open(path, "wx", 0o600);
-  await file.close();
-};
-
-const generateFileUploadSession = async (userId: number) => {
   const id = uuidv4();
-  const path = `${env.libraryPath}/${userId}/${uuidv4()}`;
+  const path = `${env.uploadsPath}/${id}`;
-  await reserveUploadPath(path);
+  await mkdir(path, { recursive: true });
-  return { id, path };
-};
-
-const generateThumbnailUploadSession = async (userId: number) => {
-  const id = uuidv4();
-  const path = `${env.thumbnailsPath}/${userId}/${id}`;
-  await reserveUploadPath(path);
   return { id, path };
 };
 
@@ -41,7 +30,7 @@ const uploadRouter = router({
   startFileUpload: roleProcedure["activeClient"]
     .input(
       z.object({
-        chunks: z.int().positive(),
+        chunks: z.int().positive().max(MAX_CHUNKS),
         parent: DirectoryIdSchema,
         mekVersion: z.int().positive(),
         dek: z.base64().nonempty(),
@@ -67,7 +56,7 @@ const uploadRouter = router({
         throw new TRPCError({ code: "BAD_REQUEST", message: "Invalid DEK version" });
       }
 
-      const { id, path } = await generateFileUploadSession(ctx.session.userId);
+      const { id, path } = await generateSessionId();
 
       try {
         await UploadRepo.createFileUploadSession({
@@ -89,9 +78,10 @@ const uploadRouter = router({
               : null,
           encLastModifiedAt: { ciphertext: input.lastModifiedAt, iv: input.lastModifiedAtIv },
         });
+        demoLogger.log("upload:start", { ip: ctx.locals.ip, uploadId: id });
         return { uploadId: id };
       } catch (e) {
-        await safeUnlink(path);
+        await safeRecursiveRm(path);
 
         if (e instanceof IntegrityError) {
           if (e.message === "Inactive MEK version") {
@@ -109,7 +99,6 @@ const uploadRouter = router({
       z.object({
         uploadId: z.uuidv4(),
         contentHmac: z.base64().nonempty().optional(),
-        encContentHash: z.base64().nonempty(),
       }),
     )
     .mutation(async ({ ctx, input }) => {
@@ -120,6 +109,8 @@ const uploadRouter = router({
         sessionLocks.add(uploadId);
       }
 
+      let filePath = "";
+
       try {
         const session = await UploadRepo.getUploadSession(uploadId, ctx.session.userId);
         if (session?.type !== "file") {
@@ -133,24 +124,29 @@ const uploadRouter = router({
           throw new TRPCError({ code: "BAD_REQUEST", message: "Upload not completed" });
         }
 
-        const hashStream = createHash("sha256");
+        filePath = `${env.libraryPath}/${ctx.session.userId}/${uuidv4()}`;
+        await mkdir(dirname(filePath), { recursive: true });
 
-        for await (const chunk of createReadStream(session.path)) {
+        const hashStream = createHash("sha256");
-          hashStream.update(chunk);
+        const writeStream = createWriteStream(filePath, { flags: "wx", mode: 0o600 });
+
+        for (let i = 1; i <= session.totalChunks; i++) {
+          for await (const chunk of createReadStream(`${session.path}/${i}`)) {
+            hashStream.update(chunk);
+            writeStream.write(chunk);
+          }
         }
 
+        await new Promise<void>((resolve, reject) => {
+          writeStream.end((e: any) => (e ? reject(e) : resolve()));
+        });
+
         const hash = hashStream.digest("base64");
-        if (hash !== input.encContentHash) {
-          await UploadRepo.deleteUploadSession(db, uploadId);
-          await safeUnlink(session.path);
-          throw new TRPCError({ code: "CONFLICT", message: "Uploaded file corrupted" });
-        }
-
         const fileId = await db.transaction().execute(async (trx) => {
           const { id: fileId } = await FileRepo.registerFile(trx, {
             ...session,
             userId: ctx.session.userId,
-            path: session.path,
+            path: filePath,
             contentHmac: input.contentHmac ?? null,
             encContentHash: hash,
             encContentIv: null,
@@ -159,7 +155,12 @@ const uploadRouter = router({
           return fileId;
         });
 
+        await safeRecursiveRm(session.path);
+        demoLogger.log("upload:complete", { ip: ctx.locals.ip, uploadId, fileId });
         return { file: fileId };
+      } catch (e) {
+        await safeUnlink(filePath);
+        throw e;
       } finally {
         sessionLocks.delete(uploadId);
       }
@@ -173,10 +174,10 @@ const uploadRouter = router({
       }),
     )
     .mutation(async ({ ctx, input }) => {
-      const { id, path } = await generateThumbnailUploadSession(ctx.session.userId);
+      const { id, path } = await generateSessionId();
 
       try {
-        await UploadRepo.createThumbnailUploadSession({
+        await UploadRepo.createThumbnailOrMigrationUploadSession({
           id,
           type: "thumbnail",
           userId: ctx.session.userId,
@@ -186,9 +187,10 @@ const uploadRouter = router({
           fileId: input.file,
           dekVersion: input.dekVersion,
         });
+        demoLogger.log("thumbnail:start", { ip: ctx.locals.ip, uploadId: id });
         return { uploadId: id };
       } catch (e) {
-        await safeUnlink(path);
+        await safeRecursiveRm(path);
 
         if (e instanceof IntegrityError) {
           if (e.message === "File not found") {
@@ -215,6 +217,8 @@ const uploadRouter = router({
         sessionLocks.add(uploadId);
       }
 
+      let thumbnailPath = "";
+
       try {
         const session = await UploadRepo.getUploadSession(uploadId, ctx.session.userId);
         if (session?.type !== "thumbnail") {
@@ -223,20 +227,31 @@ const uploadRouter = router({
           throw new TRPCError({ code: "BAD_REQUEST", message: "Upload not completed" });
         }
 
+        thumbnailPath = `${env.thumbnailsPath}/${ctx.session.userId}/${uploadId}`;
+        await mkdir(dirname(thumbnailPath), { recursive: true });
+        await copyFile(`${session.path}/1`, thumbnailPath);
+
         const oldThumbnailPath = await db.transaction().execute(async (trx) => {
           const oldPath = await MediaRepo.updateFileThumbnail(
             trx,
             ctx.session.userId,
             session.fileId,
             session.dekVersion,
-            session.path,
+            thumbnailPath,
             null,
           );
           await UploadRepo.deleteUploadSession(trx, uploadId);
           return oldPath;
         });
-        await safeUnlink(oldThumbnailPath);
+        demoLogger.log("thumbnail:complete", {
+          ip: ctx.locals.ip,
+          uploadId,
+          fileId: session.fileId,
+        });
+        await Promise.all([safeUnlink(oldThumbnailPath), safeRecursiveRm(session.path)]);
       } catch (e) {
+        await safeUnlink(thumbnailPath);
+
         if (e instanceof IntegrityError && e.message === "Invalid DEK version") {
           // DEK rotated after this upload started
           throw new TRPCError({ code: "CONFLICT", message: e.message });
@@ -246,6 +261,112 @@ const uploadRouter = router({
         sessionLocks.delete(uploadId);
       }
     }),
+
+  startMigrationUpload: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        file: z.int().positive(),
+        chunks: z.int().positive(),
+        dekVersion: z.date(),
+      }),
+    )
+    .mutation(async ({ ctx, input }) => {
+      const { id, path } = await generateSessionId();
+
+      try {
+        await UploadRepo.createThumbnailOrMigrationUploadSession({
+          id,
+          type: "migration",
+          userId: ctx.session.userId,
+          path,
+          totalChunks: input.chunks,
+          expiresAt: new Date(Date.now() + UPLOADS_EXPIRES),
+          fileId: input.file,
+          dekVersion: input.dekVersion,
+        });
+        return { uploadId: id };
+      } catch (e) {
+        await safeRecursiveRm(path);
+
+        if (e instanceof IntegrityError) {
+          if (e.message === "File not found") {
+            throw new TRPCError({ code: "NOT_FOUND", message: "Invalid file id" });
+          } else if (e.message === "File is not legacy") {
+            throw new TRPCError({ code: "BAD_REQUEST", message: e.message });
+          }
+        }
+        throw e;
+      }
+    }),
+
+  completeMigrationUpload: roleProcedure["activeClient"]
+    .input(
+      z.object({
+        uploadId: z.uuidv4(),
+      }),
+    )
+    .mutation(async ({ ctx, input }) => {
+      const { uploadId } = input;
+      if (sessionLocks.has(uploadId)) {
+        throw new TRPCError({ code: "CONFLICT", message: "Completion already in progress" });
+      } else {
+        sessionLocks.add(uploadId);
+      }
+
+      let filePath = "";
+
+      try {
+        const session = await UploadRepo.getUploadSession(uploadId, ctx.session.userId);
+        if (session?.type !== "migration") {
+          throw new TRPCError({ code: "NOT_FOUND", message: "Invalid upload id" });
+        } else if (session.uploadedChunks < session.totalChunks) {
+          throw new TRPCError({ code: "BAD_REQUEST", message: "Upload not completed" });
+        }
+
+        filePath = `${env.libraryPath}/${ctx.session.userId}/${uuidv4()}`;
+        await mkdir(dirname(filePath), { recursive: true });
+
+        const hashStream = createHash("sha256");
+        const writeStream = createWriteStream(filePath, { flags: "wx", mode: 0o600 });
+
+        for (let i = 1; i <= session.totalChunks; i++) {
+          for await (const chunk of createReadStream(`${session.path}/${i}`)) {
+            hashStream.update(chunk);
+            writeStream.write(chunk);
+          }
+        }
+
+        await new Promise<void>((resolve, reject) => {
+          writeStream.end((e: any) => (e ? reject(e) : resolve()));
+        });
+
+        const hash = hashStream.digest("base64");
+        const oldPath = await db.transaction().execute(async (trx) => {
+          const { oldPath } = await FileRepo.migrateFileContent(
+            trx,
+            ctx.session.userId,
+            session.fileId,
+            filePath,
+            session.dekVersion!,
+            hash,
+          );
+          await UploadRepo.deleteUploadSession(trx, uploadId);
+          return oldPath;
+        });
+
+        await Promise.all([safeUnlink(oldPath), safeRecursiveRm(session.path)]);
+      } catch (e) {
+        await safeUnlink(filePath);
+
+        if (e instanceof IntegrityError && e.message === "File is not legacy") {
+          // File migrated after this upload started
+          throw new TRPCError({ code: "CONFLICT", message: e.message });
+        }
+        throw e;
+      } finally {
+        sessionLocks.delete(uploadId);
+      }
+    }),
 });
 
 export default uploadRouter;