HMAC 계산을 Web Worker에서 처리하도록 변경

.env.example

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

.github/workflows/docker.yaml

@@ -1,45 +0,0 @@
-name: Docker Image Build
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v6
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to GHCR
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Extract Docker metadata
-        uses: docker/metadata-action@v5
-        id: meta
-        with:
-          images: ghcr.io/${{ github.repository }}
-          tags: |
-            type=semver,pattern={{version}}
-            type=raw,value=latest
-            type=sha
-
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max

docker-compose.yaml

@@ -20,6 +20,7 @@ services:
       - SESSION_UPGRADE_CHALLENGE_EXPIRES
       - LIBRARY_PATH=/app/data/library
       - THUMBNAILS_PATH=/app/data/thumbnails
+      - UPLOADS_PATH=/app/data/uploads
       # 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": "0.8.0",
   "type": "module",
   "scripts": {
     "dev": "vite dev",
@@ -16,56 +16,55 @@
     "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": "^5.4.0",
-    "@sveltejs/kit": "^2.53.4",
+    "@sveltejs/kit": "^2.49.4",
     "@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": "^9.39.2",
-    "eslint": "^9.39.4",
     "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": "^4.35.0",
     "file-saver": "^2.0.5",
-    "globals": "^17.4.0",
+    "globals": "^17.0.0",
     "heic2any": "^0.0.4",
-    "kysely-ctl": "^0.20.0",
+    "kysely-ctl": "^0.19.0",
-    "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": "^3.7.4",
-    "prettier-plugin-svelte": "^3.5.1",
+    "prettier-plugin-svelte": "^3.4.1",
     "prettier-plugin-tailwindcss": "^0.7.2",
-    "svelte": "^5.53.9",
+    "svelte": "^5.46.1",
-    "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": "^8.52.0",
-    "unplugin-icons": "^23.0.1",
+    "unplugin-icons": "^22.5.0",
     "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": "^8.16.3",
     "superjson": "^2.2.6",
     "uuid": "^13.0.0",
-    "zod": "^4.3.6"
+    "zod": "^4.3.5"
   },
   "engines": {
     "node": "^22.0.0",

src/hooks.server.ts

@@ -7,8 +7,8 @@ import {
   cleanupExpiredSessions,
   cleanupExpiredSessionUpgradeChallenges,
 } from "$lib/server/db/session";
-import { authenticate, setAgentInfo } from "$lib/server/middlewares";
 import { cleanupExpiredUploadSessions } from "$lib/server/services/upload";
+import { authenticate, setAgentInfo } from "$lib/server/middlewares";
 
 export const init: ServerInit = async () => {
   await migrateDB();

src/lib/components/atoms/Chip.svelte

@@ -1,53 +0,0 @@
-<script lang="ts">
-  import type { Snippet } from "svelte";
-  import type { ClassValue } from "svelte/elements";
-
-  import IconClose from "~icons/material-symbols/close";
-
-  interface Props {
-    children: Snippet;
-    class?: ClassValue;
-    onclick?: () => void;
-    onRemoveClick?: () => void;
-    removable?: boolean;
-    selected?: boolean;
-  }
-
-  let {
-    children,
-    class: className,
-    onclick = () => (selected = !selected),
-    onRemoveClick,
-    removable = false,
-    selected = $bindable(false),
-  }: Props = $props();
-</script>
-
-<!-- svelte-ignore a11y_no_static_element_interactions -->
-<!-- svelte-ignore a11y_click_events_have_key_events -->
-<div
-  onclick={onclick && (() => setTimeout(onclick, 100))}
-  class={[
-    "inline-flex cursor-pointer items-center gap-x-1 rounded-lg px-3 py-1.5 text-sm font-medium transition active:scale-95",
-    selected
-      ? "bg-primary-500 text-white active:bg-primary-400"
-      : "bg-gray-100 text-gray-700 active:bg-gray-200",
-    className,
-  ]}
->
-  <span>
-    {@render children()}
-  </span>
-  {#if removable && selected}
-    <button
-      onclick={(e) => {
-        e.stopPropagation();
-        if (onRemoveClick) {
-          setTimeout(onRemoveClick, 100);
-        }
-      }}
-    >
-      <IconClose />
-    </button>
-  {/if}
-</div>

src/lib/components/atoms/RowVirtualizer.svelte

@@ -6,22 +6,13 @@
   interface Props {
     class?: ClassValue;
     count: number;
-    estimateItemHeight: (index: number) => number;
-    getItemKey?: (index: number) => string | number;
     item: Snippet<[index: number]>;
+    itemHeight: (index: number) => number;
     itemGap?: number;
     placeholder?: Snippet;
   }
 
-  let {
+  let { class: className, count, item, itemHeight, itemGap, placeholder }: Props = $props();
-    class: className,
-    count,
-    estimateItemHeight,
-    getItemKey,
-    item,
-    itemGap,
-    placeholder,
-  }: Props = $props();
 
   let element: HTMLElement | undefined = $state();
   let scrollMargin = $state(0);
@@ -29,9 +20,8 @@
   let virtualizer = $derived(
     createWindowVirtualizer({
       count,
-      estimateSize: estimateItemHeight,
+      estimateSize: itemHeight,
       gap: itemGap,
-      getItemKey: getItemKey,
       scrollMargin,
     }),
   );

src/lib/components/atoms/buttons/ActionEntryButton.svelte

@@ -49,7 +49,7 @@
   </div>
 </div>
 
-<style lang="postcss">
+<style>
   #container:active:not(:has(#action-button:active)) {
     @apply bg-gray-100;
   }

src/lib/components/atoms/buttons/FileThumbnailButton.svelte

@@ -2,8 +2,6 @@
   import { getFileThumbnail } from "$lib/modules/file";
   import type { SummarizedFileInfo } from "$lib/modules/filesystem";
 
-  import IconFavorite from "~icons/material-symbols/favorite";
-
   interface Props {
     info: SummarizedFileInfo;
     onclick?: (file: SummarizedFileInfo) => void;
@@ -16,19 +14,11 @@
 
 <button
   onclick={onclick && (() => setTimeout(() => onclick(info), 100))}
-  class="relative aspect-square overflow-hidden rounded transition active:scale-95 active:brightness-90"
+  class="aspect-square overflow-hidden rounded transition active:scale-95 active:brightness-90"
 >
   {#if $thumbnail}
     <img src={$thumbnail} alt={info.name} class="h-full w-full object-cover" />
   {:else}
     <div class="h-full w-full bg-gray-100"></div>
   {/if}
-  {#if info.isFavorite}
-    <div class={["absolute bottom-0.5 right-0.5"]}>
-      <IconFavorite
-        class="text-sm text-red-500"
-        style="filter: drop-shadow(0 0 1px white) drop-shadow(0 0 1px white)"
-      />
-    </div>
-  {/if}
 </button>

src/lib/components/atoms/index.ts

@@ -1,6 +1,5 @@
 export { default as BottomSheet } from "./BottomSheet.svelte";
 export * from "./buttons";
-export { default as Chip } from "./Chip.svelte";
 export * from "./divs";
 export * from "./inputs";
 export { default as Modal } from "./Modal.svelte";

src/lib/components/atoms/inputs/TextInput.svelte

@@ -28,7 +28,7 @@
   </div>
 </div>
 
-<style lang="postcss">
+<style>
   input:focus,
   input:not(:placeholder-shown) {
     @apply border-primary-300;

src/lib/components/molecules/SubCategories.svelte

@@ -10,9 +10,9 @@
     class?: ClassValue;
     info: CategoryInfo;
     onSubCategoryClick: (subCategory: SelectedCategory) => void;
-    onSubCategoryCreateClick?: () => void;
+    onSubCategoryCreateClick: () => void;
     onSubCategoryMenuClick?: (category: SelectedCategory) => void;
-    subCategoryCreatePosition?: "top" | "bottom" | "none";
+    subCategoryCreatePosition?: "top" | "bottom";
     subCategoryMenuIcon?: Component<SvelteHTMLElements["svg"]>;
   }
 
@@ -22,7 +22,7 @@
     onSubCategoryClick,
     onSubCategoryCreateClick,
     onSubCategoryMenuClick,
-    subCategoryCreatePosition = "none",
+    subCategoryCreatePosition = "bottom",
     subCategoryMenuIcon,
   }: Props = $props();
 </script>

src/lib/components/molecules/TopBar.svelte

@@ -8,11 +8,10 @@
     children?: Snippet;
     class?: ClassValue;
     onBackClick?: () => void;
-    showBackButton?: boolean;
     title?: string;
   }
 
-  let { children, class: className, onBackClick, showBackButton = true, title }: Props = $props();
+  let { children, class: className, onBackClick, title }: Props = $props();
 </script>
 
 <div
@@ -21,16 +20,12 @@
     className,
   ]}
 >
-  <div class="w-[2.3rem] flex-shrink-0">
-    {#if showBackButton}
   <button
-        onclick={onBackClick ?? (() => history.back())}
+    onclick={onBackClick || (() => history.back())}
-        class="w-full rounded-full p-1 text-2xl active:bg-black active:bg-opacity-[0.04]"
+    class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
   >
-        <IconArrowBack />
+    <IconArrowBack class="text-2xl" />
   </button>
-    {/if}
-  </div>
   {#if title}
     <p class="flex-grow truncate text-center text-lg font-semibold">{title}</p>
   {/if}

src/lib/components/molecules/labels/DirectoryEntryLabel.svelte

@@ -5,11 +5,9 @@
   import IconFolder from "~icons/material-symbols/folder";
   import IconDriveFolderUpload from "~icons/material-symbols/drive-folder-upload";
   import IconDraft from "~icons/material-symbols/draft";
-  import IconFavorite from "~icons/material-symbols/favorite";
 
   interface Props {
     class?: ClassValue;
-    isFavorite?: boolean;
     name: string;
     subtext?: string;
     textClass?: ClassValue;
@@ -19,7 +17,6 @@
 
   let {
     class: className,
-    isFavorite = false,
     name,
     subtext,
     textClass: textClassName,
@@ -29,7 +26,7 @@
 </script>
 
 {#snippet iconSnippet()}
-  <div class="relative flex h-10 w-10 items-center justify-center text-xl">
+  <div class="flex h-10 w-10 items-center justify-center text-xl">
     {#if thumbnail}
       <img src={thumbnail} alt={name} loading="lazy" class="aspect-square rounded object-cover" />
     {:else if type === "directory"}
@@ -39,14 +36,6 @@
     {:else}
       <IconDraft class="text-blue-400" />
     {/if}
-    {#if isFavorite}
-      <div class={["absolute bottom-0 right-0", !thumbnail && "rounded-full bg-white p-0.5"]}>
-        <IconFavorite
-          class="text-xs text-red-500"
-          style="filter: drop-shadow(0 0 1px white) drop-shadow(0 0 1px white)"
-        />
-      </div>
-    {/if}
   </div>
 {/snippet}
 

src/lib/indexedDB/cacheIndex.ts

@@ -20,12 +20,7 @@ export const getFileCacheIndex = async () => {
 };
 
 export const storeFileCacheIndex = async (fileCacheIndex: FileCacheIndex) => {
-  await cacheIndex.fileCache.put({
+  await cacheIndex.fileCache.put(fileCacheIndex);
-    fileId: fileCacheIndex.fileId,
-    cachedAt: fileCacheIndex.cachedAt,
-    lastRetrievedAt: fileCacheIndex.lastRetrievedAt,
-    size: fileCacheIndex.size,
-  });
 };
 
 export const deleteFileCacheIndex = async (fileId: number) => {

src/lib/indexedDB/filesystem.ts

@@ -4,7 +4,6 @@ interface DirectoryInfo {
   id: number;
   parentId: DirectoryId;
   name: string;
-  isFavorite: boolean;
 }
 
 interface FileInfo {
@@ -15,7 +14,6 @@ interface FileInfo {
   createdAt?: Date;
   lastModifiedAt: Date;
   categoryIds?: number[];
-  isFavorite: boolean;
 }
 
 interface CategoryInfo {
@@ -48,23 +46,6 @@ filesystem
       });
   });
 
-filesystem.version(4).upgrade(async (trx) => {
-  await Promise.all([
-    trx
-      .table("directory")
-      .toCollection()
-      .modify((directory) => {
-        directory.isFavorite = false;
-      }),
-    trx
-      .table("file")
-      .toCollection()
-      .modify((file) => {
-        file.isFavorite = false;
-      }),
-  ]);
-});
-
 export const getDirectoryInfos = async (parentId: DirectoryId) => {
   return await filesystem.directory.where({ parentId }).toArray();
 };
@@ -74,11 +55,7 @@ export const getDirectoryInfo = async (id: number) => {
 };
 
 export const storeDirectoryInfo = async (directoryInfo: DirectoryInfo) => {
-  await filesystem.directory.upsert(directoryInfo.id, {
+  await filesystem.directory.upsert(directoryInfo.id, { ...directoryInfo });
-    parentId: directoryInfo.parentId,
-    name: directoryInfo.name,
-    isFavorite: directoryInfo.isFavorite,
-  });
 };
 
 export const deleteDirectoryInfo = async (id: number) => {
@@ -112,15 +89,7 @@ export const bulkGetFileInfos = async (ids: number[]) => {
 };
 
 export const storeFileInfo = async (fileInfo: FileInfo) => {
-  await filesystem.file.upsert(fileInfo.id, {
+  await filesystem.file.upsert(fileInfo.id, { ...fileInfo });
-    parentId: fileInfo.parentId,
-    name: fileInfo.name,
-    contentType: fileInfo.contentType,
-    createdAt: fileInfo.createdAt,
-    lastModifiedAt: fileInfo.lastModifiedAt,
-    categoryIds: fileInfo.categoryIds,
-    isFavorite: fileInfo.isFavorite,
-  });
 };
 
 export const deleteFileInfo = async (id: number) => {
@@ -147,12 +116,7 @@ export const getCategoryInfo = async (id: number) => {
 };
 
 export const storeCategoryInfo = async (categoryInfo: CategoryInfo) => {
-  await filesystem.category.upsert(categoryInfo.id, {
+  await filesystem.category.upsert(categoryInfo.id, { ...categoryInfo });
-    parentId: categoryInfo.parentId,
-    name: categoryInfo.name,
-    files: categoryInfo.files,
-    isFileRecursive: categoryInfo.isFileRecursive,
-  });
 };
 
 export const updateCategoryInfo = async (id: number, changes: { isFileRecursive?: boolean }) => {

src/lib/modules/crypto/hmac.worker.ts

@@ -0,0 +1,30 @@
+import { hmac } from "@noble/hashes/hmac.js";
+import { sha256 } from "@noble/hashes/sha2.js";
+
+interface ComputeMessage {
+  type: "compute";
+  file: File;
+  hmacSecret: ArrayBuffer;
+}
+
+type WorkerMessage = ComputeMessage;
+
+self.onmessage = async (event: MessageEvent<WorkerMessage>) => {
+  const { type } = event.data;
+
+  if (type === "compute") {
+    const { file, hmacSecret } = event.data;
+
+    const h = hmac.create(sha256, new Uint8Array(hmacSecret));
+    const reader = file.stream().getReader();
+
+    while (true) {
+      const { done, value } = await reader.read();
+      if (done) break;
+      h.update(value);
+    }
+
+    const result = h.digest();
+    self.postMessage({ type: "result", hmac: result }, { transfer: [result.buffer] });
+  }
+};

src/lib/modules/crypto/hmacWorker.ts

@@ -0,0 +1,25 @@
+import HmacWorker from "./hmac.worker?worker";
+
+export const computeFileHmac = async (file: File, hmacSecret: CryptoKey): Promise<Uint8Array> => {
+  const worker = new HmacWorker();
+  const hmacSecretRaw = await crypto.subtle.exportKey("raw", hmacSecret);
+
+  return new Promise((resolve, reject) => {
+    worker.onmessage = (event: MessageEvent<{ type: "result"; hmac: Uint8Array }>) => {
+      if (event.data.type === "result") {
+        resolve(event.data.hmac);
+        worker.terminate();
+      }
+    };
+
+    worker.onerror = (error) => {
+      reject(error);
+      worker.terminate();
+    };
+
+    worker.postMessage(
+      { type: "compute", file, hmacSecret: hmacSecretRaw },
+      { transfer: [hmacSecretRaw] },
+    );
+  });
+};

src/lib/modules/crypto/sha.ts

@@ -1,5 +1,5 @@
-import HmacWorker from "$workers/hmac?worker";
+import { hmac } from "@noble/hashes/hmac.js";
-import type { ComputeMessage, ResultMessage } from "$workers/hmac";
+import { sha256 } from "@noble/hashes/sha2.js";
 
 export const digestMessage = async (message: BufferSource) => {
   return await crypto.subtle.digest("SHA-256", message);
@@ -18,24 +18,10 @@ export const generateHmacSecret = async () => {
   };
 };
 
-export const signMessageHmac = async (message: Blob, hmacSecret: CryptoKey) => {
+export const createHmacStream = async (hmacSecret: CryptoKey) => {
-  const stream = message.stream();
+  const h = hmac.create(sha256, new Uint8Array(await crypto.subtle.exportKey("raw", hmacSecret)));
-  const hmacSecretRaw = new Uint8Array(await crypto.subtle.exportKey("raw", hmacSecret));
+  return {
-  const worker = new HmacWorker();
+    update: (data: Uint8Array) => h.update(data),
-
+    digest: () => h.digest(),
-  return new Promise<Uint8Array>((resolve, reject) => {
-    worker.onmessage = ({ data }: MessageEvent<ResultMessage>) => {
-      resolve(data.result);
-      worker.terminate();
   };
-
-    worker.onerror = ({ error }) => {
-      reject(error);
-      worker.terminate();
-    };
-
-    worker.postMessage({ stream, key: hmacSecretRaw } satisfies ComputeMessage, {
-      transfer: [stream, hmacSecretRaw.buffer],
-    });
-  });
 };

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

@@ -1,6 +1,6 @@
 import axios from "axios";
 import { limitFunction } from "p-limit";
-import { ENCRYPTED_CHUNK_SIZE } from "$lib/constants";
+import { CHUNK_SIZE, ENCRYPTION_OVERHEAD } from "$lib/constants";
 import { decryptChunk, concatenateBuffers } from "$lib/modules/crypto";
 
 export interface FileDownloadState {
@@ -100,7 +100,7 @@ export const downloadFile = async (id: number, dataKey: CryptoKey, isLegacy: boo
     return await decryptFile(
       state,
       fileEncrypted,
-      isLegacy ? fileEncrypted.byteLength : ENCRYPTED_CHUNK_SIZE,
+      isLegacy ? fileEncrypted.byteLength : CHUNK_SIZE + ENCRYPTION_OVERHEAD,
       dataKey,
     );
   } catch (e) {

src/lib/modules/file/thumbnail.ts

@@ -1,7 +1,7 @@
 import { LRUCache } from "lru-cache";
 import { writable, type Writable } from "svelte/store";
 import { browser } from "$app/environment";
-import { decryptChunk } from "$lib/modules/crypto";
+import { decryptData } from "$lib/modules/crypto";
 import type { SummarizedFileInfo } from "$lib/modules/filesystem";
 import { readFile, writeFile, deleteFile, deleteDirectory } from "$lib/modules/opfs";
 import { getThumbnailUrl } from "$lib/modules/thumbnail";
@@ -20,7 +20,12 @@ const fetchFromServer = async (fileId: number, dataKey: CryptoKey) => {
   const res = await fetch(`/api/file/${fileId}/thumbnail/download`);
   if (!res.ok) return null;
 
-  const thumbnailBuffer = await decryptChunk(await res.arrayBuffer(), dataKey);
+  const thumbnailEncrypted = await res.arrayBuffer();
+  const thumbnailBuffer = await decryptData(
+    thumbnailEncrypted.slice(12),
+    thumbnailEncrypted.slice(0, 12),
+    dataKey,
+  );
 
   void writeFile(`/thumbnail/file/${fileId}`, thumbnailBuffer);
   return getThumbnailUrl(thumbnailBuffer);

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

@@ -2,15 +2,14 @@ import ExifReader from "exifreader";
 import { limitFunction } from "p-limit";
 import { CHUNK_SIZE } from "$lib/constants";
 import { encodeToBase64, generateDataKey, wrapDataKey, encryptString } from "$lib/modules/crypto";
-import { signMessageHmac } from "$lib/modules/crypto";
+import { computeFileHmac } from "$lib/modules/crypto/hmacWorker";
+import { Scheduler } from "$lib/modules/scheduler";
 import { generateThumbnail } from "$lib/modules/thumbnail";
 import { uploadBlob } from "$lib/modules/upload";
 import type { MasterKey, HmacSecret } from "$lib/stores";
-import { Scheduler } from "$lib/utils";
 import { trpc } from "$trpc/client";
 
 export interface FileUploadState {
-  id: string;
   name: string;
   parentId: DirectoryId;
   status:
@@ -51,15 +50,9 @@ export const clearUploadedFiles = () => {
 };
 
 const requestDuplicateFileScan = limitFunction(
-  async (
+  async (file: File, hmacSecret: HmacSecret, onDuplicate: () => Promise<boolean>) => {
-    state: FileUploadState,
+    const hmacResult = await computeFileHmac(file, hmacSecret.secret);
-    file: File,
+    const fileSigned = encodeToBase64(hmacResult);
-    hmacSecret: HmacSecret,
-    onDuplicate: () => Promise<boolean>,
-  ) => {
-    state.status = "encryption-pending";
-
-    const fileSigned = encodeToBase64(await signMessageHmac(file, hmacSecret.secret));
     const files = await trpc().file.listByHash.query({
       hskVersion: hmacSecret.version,
       contentHmac: fileSigned,
@@ -105,21 +98,19 @@ const extractExifDateTime = (fileBuffer: ArrayBuffer) => {
   return new Date(utcDate - offsetMs);
 };
 
-interface FileMetadata {
+const requestFileUpload2 = async (
+  state: FileUploadState,
+  file: Blob,
+  fileSigned: string,
+  fileMetadata: {
     parentId: "root" | number;
     name: string;
     createdAt?: Date;
     lastModifiedAt: Date;
-}
+  },
-
-const requestFileMetadataEncryption = limitFunction(
-  async (
-    state: FileUploadState,
-    file: Blob,
-    fileMetadata: FileMetadata,
   masterKey: MasterKey,
   hmacSecret: HmacSecret,
-  ) => {
+) => {
   state.status = "encrypting";
 
   const { dataKey, dataKeyVersion } = await generateDataKey();
@@ -128,8 +119,7 @@ const requestFileMetadataEncryption = limitFunction(
   const [nameEncrypted, createdAtEncrypted, lastModifiedAtEncrypted, thumbnailBuffer] =
     await Promise.all([
       encryptString(fileMetadata.name, dataKey),
-        fileMetadata.createdAt &&
+      fileMetadata.createdAt && encryptString(fileMetadata.createdAt.getTime().toString(), dataKey),
-          encryptString(fileMetadata.createdAt.getTime().toString(), dataKey),
       encryptString(fileMetadata.lastModifiedAt.getTime().toString(), dataKey),
       generateThumbnail(file).then((blob) => blob?.arrayBuffer()),
     ]);
@@ -150,39 +140,21 @@ const requestFileMetadataEncryption = limitFunction(
     lastModifiedAtIv: lastModifiedAtEncrypted.iv,
   });
 
-    state.status = "upload-pending";
-    return { uploadId, thumbnailBuffer, dataKey, dataKeyVersion };
-  },
-  { concurrency: 4 },
-);
-
-const requestFileUpload = limitFunction(
-  async (
-    state: FileUploadState,
-    uploadId: string,
-    file: Blob,
-    fileSigned: string,
-    thumbnailBuffer: ArrayBuffer | undefined,
-    dataKey: CryptoKey,
-    dataKeyVersion: Date,
-  ) => {
   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;
+      state.rate = s.rateBps;
     },
   });
 
   const { file: fileId } = await trpc().upload.completeFileUpload.mutate({
     uploadId,
     contentHmac: fileSigned,
-      encContentHash,
   });
 
   if (thumbnailBuffer) {
-      try {
     const { uploadId } = await trpc().upload.startFileThumbnailUpload.mutate({
       file: fileId,
       dekVersion: dataKeyVersion,
@@ -191,16 +163,12 @@ const requestFileUpload = limitFunction(
     await uploadBlob(uploadId, new Blob([thumbnailBuffer]), dataKey);
 
     await trpc().upload.completeFileThumbnailUpload.mutate({ uploadId });
-      } catch (e) {
-        console.error(e);
-      }
   }
 
   state.status = "uploaded";
-    return { fileId };
+
-  },
+  return { fileId, thumbnailBuffer };
-  { concurrency: 1 },
+};
-);
 
 export const uploadFile = async (
   file: File,
@@ -210,7 +178,6 @@ export const uploadFile = async (
   onDuplicate: () => Promise<boolean>,
 ) => {
   uploadingFiles.push({
-    id: crypto.randomUUID(),
     name: file.name,
     parentId,
     status: "queued",
@@ -218,44 +185,51 @@ export const uploadFile = async (
   const state = uploadingFiles.at(-1)!;
 
   return await scheduler.schedule(file.size, async () => {
-    try {
+    state.status = "encryption-pending";
-      const { fileSigned } = await requestDuplicateFileScan(state, file, hmacSecret, onDuplicate);
 
+    try {
+      const { fileSigned } = await requestDuplicateFileScan(file, hmacSecret, onDuplicate);
       if (!fileSigned) {
         state.status = "canceled";
         uploadingFiles = uploadingFiles.filter((file) => file !== state);
         return;
       }
 
-      let fileBuffer;
       const fileType = getFileType(file);
-      const fileMetadata: FileMetadata = {
+      if (fileType.startsWith("image/")) {
+        const fileBuffer = await file.arrayBuffer();
+        const fileCreatedAt = extractExifDateTime(fileBuffer);
+
+        const { fileId, thumbnailBuffer } = await requestFileUpload2(
+          state,
+          new Blob([fileBuffer], { type: fileType }),
+          fileSigned,
+          {
             parentId,
             name: file.name,
+            createdAt: fileCreatedAt,
             lastModifiedAt: new Date(file.lastModified),
-      };
+          },
-
+          masterKey,
-      if (fileType.startsWith("image/")) {
+          hmacSecret,
-        fileBuffer = await file.arrayBuffer();
-        fileMetadata.createdAt = extractExifDateTime(fileBuffer);
-      }
-
-      const blob = new Blob([file], { type: fileType });
-
-      const { uploadId, thumbnailBuffer, dataKey, dataKeyVersion } =
-        await requestFileMetadataEncryption(state, blob, fileMetadata, masterKey, hmacSecret);
-
-      const { fileId } = await requestFileUpload(
-        state,
-        uploadId,
-        blob,
-        fileSigned,
-        thumbnailBuffer,
-        dataKey,
-        dataKeyVersion,
         );
 
         return { fileId, fileBuffer, thumbnailBuffer };
+      } else {
+        const { fileId, thumbnailBuffer } = await requestFileUpload2(
+          state,
+          file,
+          fileSigned,
+          {
+            parentId,
+            name: file.name,
+            lastModifiedAt: new Date(file.lastModified),
+          },
+          masterKey,
+          hmacSecret,
+        );
+        return { fileId, thumbnailBuffer };
+      }
     } catch (e) {
       state.status = "error";
       throw e;

src/lib/modules/filesystem/category.ts

@@ -21,7 +21,6 @@ const cache = new FilesystemCache<CategoryId, MaybeCategoryInfo>({
                   name: fileInfo.name,
                   createdAt: fileInfo.createdAt,
                   lastModifiedAt: fileInfo.lastModifiedAt,
-                  isFavorite: fileInfo.isFavorite,
                   isRecursive: file.isRecursive,
                 }
               : undefined;
@@ -65,7 +64,6 @@ const cache = new FilesystemCache<CategoryId, MaybeCategoryInfo>({
               id: file.id,
               parentId: file.parent,
               contentType: file.contentType,
-              isFavorite: file.isFavorite,
               isRecursive: file.isRecursive,
               ...(await decryptFileMetadata(file, masterKey)),
             })),

src/lib/modules/filesystem/directory.ts

@@ -26,7 +26,6 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
         name: directory.name,
         subDirectories,
         files,
-        isFavorite: directory.isFavorite,
       };
     }
   },
@@ -39,7 +38,6 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
           directory.subDirectories.map(async (directory) => ({
             id: directory.id,
             parentId: id,
-            isFavorite: directory.isFavorite,
             ...(await decryptDirectoryMetadata(directory, masterKey)),
           })),
         ),
@@ -48,7 +46,6 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
             id: file.id,
             parentId: id,
             contentType: file.contentType,
-            isFavorite: file.isFavorite,
             ...(await decryptFileMetadata(file, masterKey)),
           })),
         ),
@@ -62,7 +59,6 @@ const cache = new FilesystemCache<DirectoryId, MaybeDirectoryInfo>({
               parentId: directory.metadata!.parent,
               subDirectories,
               files,
-              isFavorite: directory.metadata!.isFavorite,
               ...metadata!,
             }
           : { id, subDirectories, files },
@@ -101,34 +97,6 @@ const storeToIndexedDB = (info: DirectoryInfo) => {
   return { ...info, exists: true as const };
 };
 
-export const getDirectoryInfo = (
+export const getDirectoryInfo = (id: DirectoryId, masterKey: CryptoKey) => {
-  id: DirectoryId,
+  return cache.get(id, masterKey);
-  masterKey: CryptoKey,
-  options?: {
-    serverResponse?: {
-      parent: DirectoryId;
-      dek: string;
-      dekVersion: Date;
-      name: string;
-      nameIv: string;
-      isFavorite: boolean;
-    };
-  },
-) => {
-  return cache.get(id, masterKey, {
-    fetchFromServer:
-      options?.serverResponse &&
-      (async (cachedValue) => {
-        const metadata = await decryptDirectoryMetadata(options!.serverResponse!, masterKey);
-        return storeToIndexedDB({
-          subDirectories: [],
-          files: [],
-          ...cachedValue,
-          id: id as number,
-          parentId: options!.serverResponse!.parent,
-          isFavorite: options!.serverResponse!.isFavorite,
-          ...metadata,
-        });
-      }),
-  });
 };

src/lib/modules/filesystem/file.ts

@@ -27,7 +27,6 @@ const cache = new FilesystemCache<number, MaybeFileInfo>({
         createdAt: file.createdAt,
         lastModifiedAt: file.lastModifiedAt,
         categories: categories?.filter((category) => !!category) ?? [],
-        isFavorite: file.isFavorite,
       };
     }
   },
@@ -56,7 +55,6 @@ const cache = new FilesystemCache<number, MaybeFileInfo>({
         createdAt: metadata.createdAt,
         lastModifiedAt: metadata.lastModifiedAt,
         categories,
-        isFavorite: file.isFavorite,
       });
     } catch (e) {
       if (isTRPCClientError(e) && e.data?.code === "NOT_FOUND") {
@@ -122,7 +120,6 @@ const cache = new FilesystemCache<number, MaybeFileInfo>({
           parentId: metadataRaw.parent,
           contentType: metadataRaw.contentType,
           categories,
-          isFavorite: metadataRaw.isFavorite,
           ...metadata,
         };
       }),
@@ -171,41 +168,8 @@ const bulkStoreToIndexedDB = (infos: FileInfo[]) => {
   return infos.map((info) => [info.id, { ...info, exists: true }] as const);
 };
 
-export const getFileInfo = (
+export const getFileInfo = (id: number, masterKey: CryptoKey) => {
-  id: number,
+  return cache.get(id, masterKey);
-  masterKey: CryptoKey,
-  options?: {
-    serverResponse?: {
-      parent: DirectoryId;
-      dek: string;
-      dekVersion: Date;
-      contentType: string;
-      name: string;
-      nameIv: string;
-      createdAt?: string;
-      createdAtIv?: string;
-      lastModifiedAt: string;
-      lastModifiedAtIv: string;
-      isFavorite: boolean;
-    };
-  },
-) => {
-  return cache.get(id, masterKey, {
-    fetchFromServer:
-      options?.serverResponse &&
-      (async (cachedValue) => {
-        const metadata = await decryptFileMetadata(options!.serverResponse!, masterKey);
-        return storeToIndexedDB({
-          categories: [],
-          ...cachedValue,
-          id,
-          parentId: options!.serverResponse!.parent,
-          contentType: options!.serverResponse!.contentType,
-          isFavorite: options!.serverResponse!.isFavorite,
-          ...metadata,
-        });
-      }),
-  });
 };
 
 export const bulkGetFileInfo = (ids: number[], masterKey: CryptoKey) => {

src/lib/modules/filesystem/internal.svelte.ts

@@ -16,11 +16,7 @@ export class FilesystemCache<K, V extends object> {
 
   constructor(private readonly options: FilesystemCacheOptions<K, V>) {}
 
-  get(
+  get(key: K, masterKey: CryptoKey) {
-    key: K,
-    masterKey: CryptoKey,
-    options?: { fetchFromServer?: (cachedValue: V | undefined) => Promise<V> },
-  ) {
     return untrack(() => {
       let state = this.map.get(key);
       if (state?.promise) return state.value ?? state.promise;
@@ -34,7 +30,7 @@ export class FilesystemCache<K, V extends object> {
       }
 
       (state.value
-        ? Promise.resolve($state.snapshot(state.value) as V)
+        ? Promise.resolve(state.value)
         : this.options.fetchFromIndexedDB(key).then((loadedInfo) => {
             if (loadedInfo) {
               state.value = loadedInfo;
@@ -43,11 +39,7 @@ export class FilesystemCache<K, V extends object> {
             return loadedInfo;
           })
       )
-        .then(
+        .then((cachedInfo) => this.options.fetchFromServer(key, cachedInfo, masterKey))
-          (cachedInfo) =>
-            options?.fetchFromServer?.(cachedInfo) ??
-            this.options.fetchFromServer(key, cachedInfo, masterKey),
-        )
         .then((loadedInfo) => {
           if (state.value) {
             Object.assign(state.value, loadedInfo);

src/lib/modules/filesystem/types.ts

@@ -1,23 +1,22 @@
 export type DataKey = { key: CryptoKey; version: Date };
+type AllUndefined<T> = { [K in keyof T]?: undefined };
 
-export interface LocalDirectoryInfo {
+interface LocalDirectoryInfo {
   id: number;
   parentId: DirectoryId;
   dataKey?: DataKey;
   name: string;
   subDirectories: SubDirectoryInfo[];
   files: SummarizedFileInfo[];
-  isFavorite: boolean;
 }
 
-export interface RootDirectoryInfo {
+interface RootDirectoryInfo {
   id: "root";
   parentId?: undefined;
   dataKey?: undefined;
   name?: undefined;
   subDirectories: SubDirectoryInfo[];
   files: SummarizedFileInfo[];
-  isFavorite?: undefined;
 }
 
 export type DirectoryInfo = LocalDirectoryInfo | RootDirectoryInfo;
@@ -37,7 +36,6 @@ export interface FileInfo {
   createdAt?: Date;
   lastModifiedAt: Date;
   categories: FileCategoryInfo[];
-  isFavorite: boolean;
 }
 
 export type MaybeFileInfo =
@@ -47,7 +45,7 @@ export type MaybeFileInfo =
 export type SummarizedFileInfo = Omit<FileInfo, "categories">;
 export type CategoryFileInfo = SummarizedFileInfo & { isRecursive: boolean };
 
-export interface LocalCategoryInfo {
+interface LocalCategoryInfo {
   id: number;
   parentId: DirectoryId;
   dataKey?: DataKey;
@@ -57,7 +55,7 @@ export interface LocalCategoryInfo {
   isFileRecursive: boolean;
 }
 
-export interface RootCategoryInfo {
+interface RootCategoryInfo {
   id: "root";
   parentId?: undefined;
   dataKey?: undefined;

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

@@ -1,91 +1,51 @@
-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 {
+type UploadStats = {
-  progress: number;
+  progress: number; // 0..1 (암호화 후 기준)
-  rate: number;
+  rateBps: number; // bytes/sec
-}
+  uploadedBytes: number;
-
+  totalBytes: number;
-interface EncryptedChunk {
+};
-  index: number;
-  data: ArrayBuffer;
-}
-
-const createSpeedMeter = (timeWindow = 3000, minInterval = 200, warmupPeriod = 500) => {
-  const samples: { t: number; b: number }[] = [];
-  let lastSpeed = 0;
-  let startTime: number | null = null;
-
-  return (bytesNow?: number) => {
-    if (bytesNow === undefined) return lastSpeed;
 
+function createSpeedMeter(windowMs = 1500) {
+  const samples: Array<{ t: number; b: number }> = [];
+  return (bytesNow: number) => {
     const now = performance.now();
-
-    // Initialize start time on first call
-    if (startTime === null) {
-      startTime = now;
-    }
-
-    // Check if enough time has passed since the last sample
-    const lastSample = samples[samples.length - 1];
-    if (lastSample && now - lastSample.t < minInterval) {
-      return lastSpeed;
-    }
-
     samples.push({ t: now, b: bytesNow });
-
+    const cutoff = now - windowMs;
-    // Remove old samples outside the time window
-    const cutoff = now - timeWindow;
     while (samples.length > 2 && samples[0]!.t < cutoff) samples.shift();
 
-    // Need at least 2 samples to calculate speed
-    if (samples.length < 2) {
-      return lastSpeed;
-    }
-
     const first = samples[0]!;
     const dt = now - first.t;
     const db = bytesNow - first.b;
-
+    return dt > 0 ? (db / dt) * 1000 : 0;
-    if (dt >= minInterval) {
-      const instantSpeed = (db / dt) * 1000;
-      // Apply EMA for smoother speed transitions
-      const alpha = 0.3;
-      const rawSpeed =
-        lastSpeed === 0 ? instantSpeed : alpha * instantSpeed + (1 - alpha) * lastSpeed;
-
-      // Apply warmup ramp to prevent initial overestimation
-      const elapsed = now - startTime;
-      const warmupWeight = Math.min(1, elapsed / warmupPeriod);
-      lastSpeed = rawSpeed * warmupWeight;
-    }
-
-    return lastSpeed;
   };
-};
+}
 
-const encryptChunkData = async (chunk: Blob, dataKey: CryptoKey): Promise<ArrayBuffer> => {
+const uploadChunk = async (
-  return await encryptChunk(await chunk.arrayBuffer(), dataKey);
-};
-
-const uploadEncryptedChunk = async (
   uploadId: string,
   chunkIndex: number,
-  encrypted: ArrayBuffer,
+  chunk: Blob,
+  dataKey: CryptoKey,
   onChunkProgress: (chunkIndex: number, loaded: number) => void,
 ) => {
-  await axios.post(`/api/upload/${uploadId}/chunks/${chunkIndex + 1}`, encrypted, {
+  const chunkEncrypted = await encryptChunk(await chunk.arrayBuffer(), dataKey);
-    headers: { "Content-Type": "application/octet-stream" },
+  const chunkEncryptedHash = encodeToBase64(await digestMessage(chunkEncrypted));
+
+  await axios.post(`/api/upload/${uploadId}/chunks/${chunkIndex}`, chunkEncrypted, {
+    headers: {
+      "Content-Type": "application/octet-stream",
+      "Content-Digest": `sha-256=:${chunkEncryptedHash}:`,
+    },
     onUploadProgress(e) {
       onChunkProgress(chunkIndex, e.loaded ?? 0);
     },
   });
 
-  onChunkProgress(chunkIndex, encrypted.byteLength);
+  onChunkProgress(chunkIndex, chunkEncrypted.byteLength);
 };
 
 export const uploadBlob = async (
@@ -95,24 +55,21 @@ export const uploadBlob = async (
   options?: { concurrency?: number; onProgress?: (s: UploadStats) => void },
 ) => {
   const onProgress = options?.onProgress;
-  const networkConcurrency = options?.concurrency ?? 4;
-  const maxQueueSize = 8;
 
   const totalChunks = Math.ceil(blob.size / CHUNK_SIZE);
   const totalBytes = blob.size + totalChunks * ENCRYPTION_OVERHEAD;
 
   const uploadedByChunk = new Array<number>(totalChunks).fill(0);
-  const speedMeter = createSpeedMeter(3000, 200);
+  const speedMeter = createSpeedMeter(1500);
-  const hash = sha256.create();
 
   const emit = () => {
     if (!onProgress) return;
 
     const uploadedBytes = uploadedByChunk.reduce((a, b) => a + b, 0);
-    const rate = speedMeter(uploadedBytes);
+    const rateBps = speedMeter(uploadedBytes);
     const progress = Math.min(1, uploadedBytes / totalBytes);
 
-    onProgress({ progress, rate });
+    onProgress({ progress, rateBps, uploadedBytes, totalBytes });
   };
 
   const onChunkProgress = (idx: number, loaded: number) => {
@@ -120,58 +77,27 @@ export const uploadBlob = async (
     emit();
   };
 
-  const queue = new BoundedQueue<EncryptedChunk>(maxQueueSize);
+  const limit = pLimit(options?.concurrency ?? 4);
-  let encryptionError: Error | null = null;
 
-  // Producer: encrypt chunks and push to queue
+  await Promise.all(
-  const encryptionProducer = async () => {
+    Array.from({ length: totalChunks }, (_, chunkIndex) =>
-    try {
+      limit(() =>
-      for (let i = 0; i < totalChunks; i++) {
+        uploadChunk(
-        const chunk = blob.slice(i * CHUNK_SIZE, (i + 1) * CHUNK_SIZE);
+          uploadId,
-        const data = await encryptChunkData(chunk, dataKey);
+          chunkIndex,
-        hash.update(new Uint8Array(data));
+          blob.slice(chunkIndex * CHUNK_SIZE, (chunkIndex + 1) * CHUNK_SIZE),
-        await queue.push({ index: i, data });
+          dataKey,
-      }
+          onChunkProgress,
-    } catch (e) {
+        ),
-      encryptionError = e instanceof Error ? e : new Error(String(e));
+      ),
-    } finally {
+    ),
-      queue.close();
+  );
-    }
-  };
 
-  // Consumer: upload chunks from queue with concurrency limit
+  // 완료 보정
-  const uploadConsumer = async () => {
+  onProgress?.({
-    const limit = pLimit(networkConcurrency);
+    progress: 1,
-    const activeTasks = new Set<Promise<void>>();
+    rateBps: 0,
-
+    uploadedBytes: totalBytes,
-    while (true) {
+    totalBytes,
-      const item = await queue.pop();
-      if (item === null) break;
-      if (encryptionError) throw encryptionError;
-
-      const task = limit(async () => {
-        try {
-          await uploadEncryptedChunk(uploadId, item.index, item.data, onChunkProgress);
-        } finally {
-          // @ts-ignore
-          item.data = null;
-        }
   });
-
-      activeTasks.add(task);
-      task.finally(() => activeTasks.delete(task));
-
-      if (activeTasks.size >= networkConcurrency) {
-        await Promise.race(activeTasks);
-      }
-    }
-
-    await Promise.all(activeTasks);
-  };
-
-  // Run producer and consumer concurrently
-  await Promise.all([encryptionProducer(), uploadConsumer()]);
-
-  onProgress?.({ progress: 1, rate: speedMeter() });
-  return { encContentHash: encodeToBase64(hash.digest()) };
 };

src/lib/server/db/directory.ts

@@ -1,278 +0,0 @@
-import type { Selectable } from "kysely";
-import { IntegrityError } from "./error";
-import db from "./kysely";
-import type { Ciphertext, DirectoryTable } from "./schema";
-
-interface Directory {
-  id: number;
-  parentId: DirectoryId;
-  userId: number;
-  mekVersion: number;
-  encDek: string;
-  dekVersion: Date;
-  encName: Ciphertext;
-  isFavorite: boolean;
-}
-
-const toDirectory = (row: Selectable<DirectoryTable>): Directory => ({
-  id: row.id,
-  parentId: row.parent_id ?? "root",
-  userId: row.user_id,
-  mekVersion: row.master_encryption_key_version,
-  encDek: row.encrypted_data_encryption_key,
-  dekVersion: row.data_encryption_key_version,
-  encName: row.encrypted_name,
-  isFavorite: row.is_favorite,
-});
-
-export const registerDirectory = async (params: Omit<Directory, "id" | "isFavorite">) => {
-  await db.transaction().execute(async (trx) => {
-    const mek = await trx
-      .selectFrom("master_encryption_key")
-      .select("version")
-      .where("user_id", "=", params.userId)
-      .where("state", "=", "active")
-      .limit(1)
-      .forUpdate()
-      .executeTakeFirst();
-    if (mek?.version !== params.mekVersion) {
-      throw new IntegrityError("Inactive MEK version");
-    }
-
-    const { directoryId } = await trx
-      .insertInto("directory")
-      .values({
-        parent_id: params.parentId !== "root" ? params.parentId : null,
-        user_id: params.userId,
-        master_encryption_key_version: params.mekVersion,
-        encrypted_data_encryption_key: params.encDek,
-        data_encryption_key_version: params.dekVersion,
-        encrypted_name: params.encName,
-      })
-      .returning("id as directoryId")
-      .executeTakeFirstOrThrow();
-    await trx
-      .insertInto("directory_log")
-      .values({
-        directory_id: directoryId,
-        timestamp: new Date(),
-        action: "create",
-        new_name: params.encName,
-      })
-      .execute();
-  });
-};
-
-export const getAllDirectoriesByParent = async (userId: number, parentId: DirectoryId) => {
-  const directories = await db
-    .selectFrom("directory")
-    .selectAll()
-    .where("user_id", "=", userId)
-    .$if(parentId === "root", (qb) => qb.where("parent_id", "is", null))
-    .$if(parentId !== "root", (qb) => qb.where("parent_id", "=", parentId as number))
-    .execute();
-  return directories.map(toDirectory);
-};
-
-export const getAllFavoriteDirectories = async (userId: number) => {
-  const directories = await db
-    .selectFrom("directory")
-    .selectAll()
-    .where("user_id", "=", userId)
-    .where("is_favorite", "=", true)
-    .execute();
-  return directories.map(toDirectory);
-};
-
-export const getDirectory = async (userId: number, directoryId: number) => {
-  const directory = await db
-    .selectFrom("directory")
-    .selectAll()
-    .where("id", "=", directoryId)
-    .where("user_id", "=", userId)
-    .limit(1)
-    .executeTakeFirst();
-  return directory ? toDirectory(directory) : null;
-};
-
-export const searchDirectories = async (
-  userId: number,
-  filters: {
-    parentId: DirectoryId;
-    inFavorites: boolean;
-  },
-) => {
-  const directories = await db
-    .withRecursive("directory_tree", (db) =>
-      db
-        .selectFrom("directory")
-        .select("id")
-        .where("user_id", "=", userId)
-        .$if(filters.parentId === "root", (qb) => qb.where((eb) => eb.lit(false))) // directory_tree will be empty if parentId is "root"
-        .$if(filters.parentId !== "root", (qb) => qb.where("id", "=", filters.parentId as number))
-        .unionAll(
-          db
-            .selectFrom("directory as d")
-            .innerJoin("directory_tree as dt", "d.parent_id", "dt.id")
-            .select("d.id"),
-        ),
-    )
-    .withRecursive("favorite_directory_tree", (db) =>
-      db
-        .selectFrom("directory")
-        .select("id")
-        .where("user_id", "=", userId)
-        .$if(!filters.inFavorites, (qb) => qb.where((eb) => eb.lit(false))) // favorite_directory_tree will be empty if inFavorites is false
-        .$if(filters.inFavorites, (qb) => qb.where("is_favorite", "=", true))
-        .unionAll((db) =>
-          db
-            .selectFrom("directory as d")
-            .innerJoin("favorite_directory_tree as dt", "d.parent_id", "dt.id")
-            .select("d.id"),
-        ),
-    )
-    .selectFrom("directory")
-    .selectAll()
-    .where("user_id", "=", userId)
-    .$if(filters.parentId !== "root", (qb) =>
-      qb.where((eb) =>
-        eb.exists(eb.selectFrom("directory_tree as dt").whereRef("dt.id", "=", "parent_id")),
-      ),
-    )
-    .$if(filters.inFavorites, (qb) =>
-      qb.where((eb) =>
-        eb.exists(
-          eb.selectFrom("favorite_directory_tree as dt").whereRef("dt.id", "=", "directory.id"),
-        ),
-      ),
-    )
-    .execute();
-  return directories.map(toDirectory);
-};
-
-export const setDirectoryEncName = async (
-  userId: number,
-  directoryId: number,
-  dekVersion: Date,
-  encName: Ciphertext,
-) => {
-  await db.transaction().execute(async (trx) => {
-    const directory = await trx
-      .selectFrom("directory")
-      .select("data_encryption_key_version")
-      .where("id", "=", directoryId)
-      .where("user_id", "=", userId)
-      .limit(1)
-      .forUpdate()
-      .executeTakeFirst();
-    if (!directory) {
-      throw new IntegrityError("Directory not found");
-    } else if (directory.data_encryption_key_version.getTime() !== dekVersion.getTime()) {
-      throw new IntegrityError("Invalid DEK version");
-    }
-
-    await trx
-      .updateTable("directory")
-      .set({ encrypted_name: encName })
-      .where("id", "=", directoryId)
-      .where("user_id", "=", userId)
-      .execute();
-    await trx
-      .insertInto("directory_log")
-      .values({
-        directory_id: directoryId,
-        timestamp: new Date(),
-        action: "rename",
-        new_name: encName,
-      })
-      .execute();
-  });
-};
-
-export const setDirectoryFavorite = async (
-  userId: number,
-  directoryId: number,
-  isFavorite: boolean,
-) => {
-  await db.transaction().execute(async (trx) => {
-    const directory = await trx
-      .selectFrom("directory")
-      .select("is_favorite")
-      .where("id", "=", directoryId)
-      .where("user_id", "=", userId)
-      .limit(1)
-      .forUpdate()
-      .executeTakeFirst();
-    if (!directory) {
-      throw new IntegrityError("Directory not found");
-    } else if (directory.is_favorite === isFavorite) {
-      throw new IntegrityError(
-        isFavorite ? "Directory already favorited" : "Directory not favorited",
-      );
-    }
-
-    await trx
-      .updateTable("directory")
-      .set({ is_favorite: isFavorite })
-      .where("id", "=", directoryId)
-      .where("user_id", "=", userId)
-      .execute();
-    await trx
-      .insertInto("directory_log")
-      .values({
-        directory_id: directoryId,
-        timestamp: new Date(),
-        action: isFavorite ? "add-to-favorites" : "remove-from-favorites",
-      })
-      .execute();
-  });
-};
-
-export const unregisterDirectory = async (userId: number, directoryId: number) => {
-  return await db
-    .transaction()
-    .setIsolationLevel("repeatable read") // TODO: Sufficient?
-    .execute(async (trx) => {
-      const unregisterFiles = async (parentId: number) => {
-        const files = await trx
-          .selectFrom("file")
-          .leftJoin("thumbnail", "file.id", "thumbnail.file_id")
-          .select(["file.id", "file.path", "thumbnail.path as thumbnailPath"])
-          .where("file.parent_id", "=", parentId)
-          .where("file.user_id", "=", userId)
-          .forUpdate("file")
-          .execute();
-        await trx
-          .deleteFrom("file")
-          .where("parent_id", "=", parentId)
-          .where("user_id", "=", userId)
-          .execute();
-        return files;
-      };
-      const unregisterDirectoryRecursively = async (
-        directoryId: number,
-      ): Promise<{ id: number; path: string; thumbnailPath: string | null }[]> => {
-        const files = await unregisterFiles(directoryId);
-        const subDirectories = await trx
-          .selectFrom("directory")
-          .select("id")
-          .where("parent_id", "=", directoryId)
-          .where("user_id", "=", userId)
-          .execute();
-        const subDirectoryFilePaths = await Promise.all(
-          subDirectories.map(async ({ id }) => await unregisterDirectoryRecursively(id)),
-        );
-
-        const deleteRes = await trx
-          .deleteFrom("directory")
-          .where("id", "=", directoryId)
-          .where("user_id", "=", userId)
-          .executeTakeFirst();
-        if (deleteRes.numDeletedRows === 0n) {
-          throw new IntegrityError("Directory not found");
-        }
-        return files.concat(...subDirectoryFilePaths);
-      };
-      return await unregisterDirectoryRecursively(directoryId);
-    });
-};

src/lib/server/db/error.ts

@@ -8,13 +8,10 @@ type IntegrityErrorMessages =
   | "User client already exists"
   // File
   | "Directory not found"
-  | "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"
-  | "File not favorited"
   | "Invalid DEK version"
   // HSK
   | "HSK already registered"

src/lib/server/db/file.ts

@@ -1,9 +1,19 @@
-import { sql, type Selectable } from "kysely";
+import { sql } from "kysely";
 import { jsonArrayFrom } from "kysely/helpers/postgres";
 import pg from "pg";
 import { IntegrityError } from "./error";
 import db from "./kysely";
-import type { Ciphertext, FileTable } from "./schema";
+import type { Ciphertext } from "./schema";
+
+interface Directory {
+  id: number;
+  parentId: DirectoryId;
+  userId: number;
+  mekVersion: number;
+  encDek: string;
+  dekVersion: Date;
+  encName: Ciphertext;
+}
 
 interface File {
   id: number;
@@ -21,7 +31,6 @@ interface File {
   encName: Ciphertext;
   encCreatedAt: Ciphertext | null;
   encLastModifiedAt: Ciphertext;
-  isFavorite: boolean;
 }
 
 interface FileCategory {
@@ -33,26 +42,175 @@ interface FileCategory {
   encName: Ciphertext;
 }
 
-const toFile = (row: Selectable<FileTable>): File => ({
+export const registerDirectory = async (params: Omit<Directory, "id">) => {
-  id: row.id,
+  await db.transaction().execute(async (trx) => {
-  parentId: row.parent_id ?? "root",
+    const mek = await trx
-  userId: row.user_id,
+      .selectFrom("master_encryption_key")
-  path: row.path,
+      .select("version")
-  mekVersion: row.master_encryption_key_version,
+      .where("user_id", "=", params.userId)
-  encDek: row.encrypted_data_encryption_key,
+      .where("state", "=", "active")
-  dekVersion: row.data_encryption_key_version,
+      .limit(1)
-  hskVersion: row.hmac_secret_key_version,
+      .forUpdate()
-  contentHmac: row.content_hmac,
+      .executeTakeFirst();
-  contentType: row.content_type,
+    if (mek?.version !== params.mekVersion) {
-  encContentIv: row.encrypted_content_iv,
+      throw new IntegrityError("Inactive MEK version");
-  encContentHash: row.encrypted_content_hash,
+    }
-  encName: row.encrypted_name,
-  encCreatedAt: row.encrypted_created_at,
-  encLastModifiedAt: row.encrypted_last_modified_at,
-  isFavorite: row.is_favorite,
-});
 
-export const registerFile = async (trx: typeof db, params: Omit<File, "id" | "isFavorite">) => {
+    const { directoryId } = await trx
+      .insertInto("directory")
+      .values({
+        parent_id: params.parentId !== "root" ? params.parentId : null,
+        user_id: params.userId,
+        master_encryption_key_version: params.mekVersion,
+        encrypted_data_encryption_key: params.encDek,
+        data_encryption_key_version: params.dekVersion,
+        encrypted_name: params.encName,
+      })
+      .returning("id as directoryId")
+      .executeTakeFirstOrThrow();
+    await trx
+      .insertInto("directory_log")
+      .values({
+        directory_id: directoryId,
+        timestamp: new Date(),
+        action: "create",
+        new_name: params.encName,
+      })
+      .execute();
+  });
+};
+
+export const getAllDirectoriesByParent = async (userId: number, parentId: DirectoryId) => {
+  let query = db.selectFrom("directory").selectAll().where("user_id", "=", userId);
+  query =
+    parentId === "root"
+      ? query.where("parent_id", "is", null)
+      : query.where("parent_id", "=", parentId);
+  const directories = await query.execute();
+  return directories.map(
+    (directory) =>
+      ({
+        id: directory.id,
+        parentId: directory.parent_id ?? "root",
+        userId: directory.user_id,
+        mekVersion: directory.master_encryption_key_version,
+        encDek: directory.encrypted_data_encryption_key,
+        dekVersion: directory.data_encryption_key_version,
+        encName: directory.encrypted_name,
+      }) satisfies Directory,
+  );
+};
+
+export const getDirectory = async (userId: number, directoryId: number) => {
+  const directory = await db
+    .selectFrom("directory")
+    .selectAll()
+    .where("id", "=", directoryId)
+    .where("user_id", "=", userId)
+    .limit(1)
+    .executeTakeFirst();
+  return directory
+    ? ({
+        id: directory.id,
+        parentId: directory.parent_id ?? "root",
+        userId: directory.user_id,
+        mekVersion: directory.master_encryption_key_version,
+        encDek: directory.encrypted_data_encryption_key,
+        dekVersion: directory.data_encryption_key_version,
+        encName: directory.encrypted_name,
+      } satisfies Directory)
+    : null;
+};
+
+export const setDirectoryEncName = async (
+  userId: number,
+  directoryId: number,
+  dekVersion: Date,
+  encName: Ciphertext,
+) => {
+  await db.transaction().execute(async (trx) => {
+    const directory = await trx
+      .selectFrom("directory")
+      .select("data_encryption_key_version")
+      .where("id", "=", directoryId)
+      .where("user_id", "=", userId)
+      .limit(1)
+      .forUpdate()
+      .executeTakeFirst();
+    if (!directory) {
+      throw new IntegrityError("Directory not found");
+    } else if (directory.data_encryption_key_version.getTime() !== dekVersion.getTime()) {
+      throw new IntegrityError("Invalid DEK version");
+    }
+
+    await trx
+      .updateTable("directory")
+      .set({ encrypted_name: encName })
+      .where("id", "=", directoryId)
+      .where("user_id", "=", userId)
+      .execute();
+    await trx
+      .insertInto("directory_log")
+      .values({
+        directory_id: directoryId,
+        timestamp: new Date(),
+        action: "rename",
+        new_name: encName,
+      })
+      .execute();
+  });
+};
+
+export const unregisterDirectory = async (userId: number, directoryId: number) => {
+  return await db
+    .transaction()
+    .setIsolationLevel("repeatable read") // TODO: Sufficient?
+    .execute(async (trx) => {
+      const unregisterFiles = async (parentId: number) => {
+        const files = await trx
+          .selectFrom("file")
+          .leftJoin("thumbnail", "file.id", "thumbnail.file_id")
+          .select(["file.id", "file.path", "thumbnail.path as thumbnailPath"])
+          .where("file.parent_id", "=", parentId)
+          .where("file.user_id", "=", userId)
+          .forUpdate("file")
+          .execute();
+        await trx
+          .deleteFrom("file")
+          .where("parent_id", "=", parentId)
+          .where("user_id", "=", userId)
+          .execute();
+        return files;
+      };
+      const unregisterDirectoryRecursively = async (
+        directoryId: number,
+      ): Promise<{ id: number; path: string; thumbnailPath: string | null }[]> => {
+        const files = await unregisterFiles(directoryId);
+        const subDirectories = await trx
+          .selectFrom("directory")
+          .select("id")
+          .where("parent_id", "=", directoryId)
+          .where("user_id", "=", userId)
+          .execute();
+        const subDirectoryFilePaths = await Promise.all(
+          subDirectories.map(async ({ id }) => await unregisterDirectoryRecursively(id)),
+        );
+
+        const deleteRes = await trx
+          .deleteFrom("directory")
+          .where("id", "=", directoryId)
+          .where("user_id", "=", userId)
+          .executeTakeFirst();
+        if (deleteRes.numDeletedRows === 0n) {
+          throw new IntegrityError("Directory not found");
+        }
+        return files.concat(...subDirectoryFilePaths);
+      };
+      return await unregisterDirectoryRecursively(directoryId);
+    });
+};
+
+export const registerFile = async (trx: typeof db, params: Omit<File, "id">) => {
   if ((params.hskVersion && !params.contentHmac) || (!params.hskVersion && params.contentHmac)) {
     throw new Error("Invalid arguments");
   }
@@ -90,14 +248,32 @@ export const registerFile = async (trx: typeof db, params: Omit<File, "id" | "is
 };
 
 export const getAllFilesByParent = async (userId: number, parentId: DirectoryId) => {
-  const files = await db
+  let query = db.selectFrom("file").selectAll().where("user_id", "=", userId);
-    .selectFrom("file")
+  query =
-    .selectAll()
+    parentId === "root"
-    .where("user_id", "=", userId)
+      ? query.where("parent_id", "is", null)
-    .$if(parentId === "root", (qb) => qb.where("parent_id", "is", null))
+      : query.where("parent_id", "=", parentId);
-    .$if(parentId !== "root", (qb) => qb.where("parent_id", "=", parentId as number))
+  const files = await query.execute();
-    .execute();
+  return files.map(
-  return files.map(toFile);
+    (file) =>
+      ({
+        id: file.id,
+        parentId: file.parent_id ?? "root",
+        userId: file.user_id,
+        path: file.path,
+        mekVersion: file.master_encryption_key_version,
+        encDek: file.encrypted_data_encryption_key,
+        dekVersion: file.data_encryption_key_version,
+        hskVersion: file.hmac_secret_key_version,
+        contentHmac: file.content_hmac,
+        contentType: file.content_type,
+        encContentIv: file.encrypted_content_iv,
+        encContentHash: file.encrypted_content_hash,
+        encName: file.encrypted_name,
+        encCreatedAt: file.encrypted_created_at,
+        encLastModifiedAt: file.encrypted_last_modified_at,
+      }) satisfies File,
+  );
 };
 
 export const getAllFilesByCategory = async (
@@ -130,10 +306,27 @@ export const getAllFilesByCategory = async (
     .orderBy("file_id")
     .orderBy("depth")
     .execute();
-  return files.map((file) => ({
+  return files.map(
-    ...toFile(file),
+    (file) =>
+      ({
+        id: file.file_id,
+        parentId: file.parent_id ?? "root",
+        userId: file.user_id,
+        path: file.path,
+        mekVersion: file.master_encryption_key_version,
+        encDek: file.encrypted_data_encryption_key,
+        dekVersion: file.data_encryption_key_version,
+        hskVersion: file.hmac_secret_key_version,
+        contentHmac: file.content_hmac,
+        contentType: file.content_type,
+        encContentIv: file.encrypted_content_iv,
+        encContentHash: file.encrypted_content_hash,
+        encName: file.encrypted_name,
+        encCreatedAt: file.encrypted_created_at,
+        encLastModifiedAt: file.encrypted_last_modified_at,
         isRecursive: file.depth > 0,
-  }));
+      }) satisfies File & { isRecursive: boolean },
+  );
 };
 
 export const getAllFileIds = async (userId: number) => {
@@ -141,28 +334,14 @@ export const getAllFileIds = async (userId: number) => {
   return files.map(({ id }) => id);
 };
 
-export const getFilesWithoutThumbnail = async (userId: number, limit: number = 100) => {
+export const getLegacyFileIds = async (userId: number) => {
   const files = await db
     .selectFrom("file")
-    .selectAll()
+    .select("id")
     .where("user_id", "=", userId)
-    .where((eb) =>
+    .where("encrypted_content_iv", "is not", null)
-      eb.or([eb("content_type", "like", "image/%"), eb("content_type", "like", "video/%")]),
-    )
-    .where((eb) =>
-      eb.not(
-        eb.exists(
-          eb
-            .selectFrom("thumbnail")
-            .select("thumbnail.id")
-            .whereRef("thumbnail.file_id", "=", "file.id")
-            .limit(1),
-        ),
-      ),
-    )
-    .limit(limit)
     .execute();
-  return files.map(toFile);
+  return files.map(({ id }) => id);
 };
 
 export const getAllFileIdsByContentHmac = async (
@@ -188,7 +367,25 @@ export const getFile = async (userId: number, fileId: number) => {
     .where("user_id", "=", userId)
     .limit(1)
     .executeTakeFirst();
-  return file ? toFile(file) : null;
+  return file
+    ? ({
+        id: file.id,
+        parentId: file.parent_id ?? "root",
+        userId: file.user_id,
+        path: file.path,
+        mekVersion: file.master_encryption_key_version,
+        encDek: file.encrypted_data_encryption_key,
+        dekVersion: file.data_encryption_key_version,
+        hskVersion: file.hmac_secret_key_version,
+        contentHmac: file.content_hmac,
+        contentType: file.content_type,
+        encContentIv: file.encrypted_content_iv,
+        encContentHash: file.encrypted_content_hash,
+        encName: file.encrypted_name,
+        encCreatedAt: file.encrypted_created_at,
+        encLastModifiedAt: file.encrypted_last_modified_at,
+      } satisfies File)
+    : null;
 };
 
 export const getFilesWithCategories = async (userId: number, fileIds: number[]) => {
@@ -207,144 +404,34 @@ export const getFilesWithCategories = async (userId: number, fileIds: number[])
     .where("id", "=", (eb) => eb.fn.any(eb.val(fileIds)))
     .where("user_id", "=", userId)
     .execute();
-  return files.map((file) => ({
+  return files.map(
-    ...toFile(file),
+    (file) =>
-    categories: file.categories.map(
-      (category) =>
       ({
+        id: file.id,
+        parentId: file.parent_id ?? "root",
+        userId: file.user_id,
+        path: file.path,
+        mekVersion: file.master_encryption_key_version,
+        encDek: file.encrypted_data_encryption_key,
+        dekVersion: file.data_encryption_key_version,
+        hskVersion: file.hmac_secret_key_version,
+        contentHmac: file.content_hmac,
+        contentType: file.content_type,
+        encContentIv: file.encrypted_content_iv,
+        encContentHash: file.encrypted_content_hash,
+        encName: file.encrypted_name,
+        encCreatedAt: file.encrypted_created_at,
+        encLastModifiedAt: file.encrypted_last_modified_at,
+        categories: file.categories.map((category) => ({
           id: category.id,
           parentId: category.parent_id ?? "root",
           mekVersion: category.master_encryption_key_version,
           encDek: category.encrypted_data_encryption_key,
           dekVersion: new Date(category.data_encryption_key_version),
           encName: category.encrypted_name,
-        }) satisfies FileCategory,
+        })),
-    ),
+      }) satisfies File & { categories: FileCategory[] },
-  }));
-};
-
-export const getAllFavoriteFiles = async (userId: number) => {
-  const files = await db
-    .selectFrom("file")
-    .selectAll()
-    .where("user_id", "=", userId)
-    .where("is_favorite", "=", true)
-    .execute();
-  return files.map(toFile);
-};
-
-export const searchFiles = async (
-  userId: number,
-  filters: {
-    parentId: DirectoryId;
-    inFavorites: boolean;
-    includeCategoryIds: number[];
-    excludeCategoryIds: number[];
-  },
-) => {
-  const baseQuery = db
-    .withRecursive("directory_tree", (db) =>
-      db
-        .selectFrom("directory")
-        .select("id")
-        .where("user_id", "=", userId)
-        .$if(filters.parentId === "root", (qb) => qb.where((eb) => eb.lit(false))) // directory_tree will be empty if parentId is "root"
-        .$if(filters.parentId !== "root", (qb) => qb.where("id", "=", filters.parentId as number))
-        .unionAll(
-          db
-            .selectFrom("directory as d")
-            .innerJoin("directory_tree as dt", "d.parent_id", "dt.id")
-            .select("d.id"),
-        ),
-    )
-    .withRecursive("favorite_directory_tree", (db) =>
-      db
-        .selectFrom("directory")
-        .select("id")
-        .where("user_id", "=", userId)
-        .$if(!filters.inFavorites, (qb) => qb.where((eb) => eb.lit(false))) // favorite_directory_tree will be empty if inFavorites is false
-        .$if(filters.inFavorites, (qb) => qb.where("is_favorite", "=", true))
-        .unionAll((db) =>
-          db
-            .selectFrom("directory as d")
-            .innerJoin("favorite_directory_tree as dt", "d.parent_id", "dt.id")
-            .select("d.id"),
-        ),
-    )
-    .withRecursive("include_category_tree", (db) =>
-      db
-        .selectFrom("category")
-        .select(["id", "id as root_id"])
-        .where("id", "=", (eb) => eb.fn.any(eb.val(filters.includeCategoryIds)))
-        .where("user_id", "=", userId)
-        .unionAll(
-          db
-            .selectFrom("category as c")
-            .innerJoin("include_category_tree as ct", "c.parent_id", "ct.id")
-            .select(["c.id", "ct.root_id"]),
-        ),
-    )
-    .withRecursive("exclude_category_tree", (db) =>
-      db
-        .selectFrom("category")
-        .select("id")
-        .where("id", "=", (eb) => eb.fn.any(eb.val(filters.excludeCategoryIds)))
-        .where("user_id", "=", userId)
-        .unionAll((db) =>
-          db
-            .selectFrom("category as c")
-            .innerJoin("exclude_category_tree as ct", "c.parent_id", "ct.id")
-            .select("c.id"),
-        ),
-    )
-    .selectFrom("file")
-    .selectAll("file")
-    .where("user_id", "=", userId)
-    .$if(filters.parentId !== "root", (qb) =>
-      qb.where((eb) =>
-        eb.exists(eb.selectFrom("directory_tree as dt").whereRef("dt.id", "=", "file.parent_id")),
-      ),
-    )
-    .$if(filters.inFavorites, (qb) =>
-      qb.where((eb) =>
-        eb.or([
-          eb("is_favorite", "=", true),
-          eb.exists(
-            eb.selectFrom("favorite_directory_tree as dt").whereRef("dt.id", "=", "file.parent_id"),
-          ),
-        ]),
-      ),
-    )
-    .$if(filters.excludeCategoryIds.length > 0, (qb) =>
-      qb.where((eb) =>
-        eb.not(
-          eb.exists(
-            eb
-              .selectFrom("file_category")
-              .innerJoin("exclude_category_tree", "category_id", "exclude_category_tree.id")
-              .whereRef("file_id", "=", "file.id"),
-          ),
-        ),
-      ),
   );
-  const files =
-    filters.includeCategoryIds.length > 0
-      ? await baseQuery
-          .innerJoin("file_category", "file.id", "file_category.file_id")
-          .innerJoin(
-            "include_category_tree",
-            "file_category.category_id",
-            "include_category_tree.id",
-          )
-          .groupBy("file.id")
-          .having(
-            (eb) => eb.fn.count("include_category_tree.root_id").distinct(),
-            "=",
-            filters.includeCategoryIds.length,
-          )
-          .execute()
-      : await baseQuery.execute();
-  return files.map(toFile);
 };
 
 export const setFileEncName = async (
@@ -405,6 +492,52 @@ export const unregisterFile = async (userId: number, fileId: number) => {
   });
 };
 
+export const migrateFileContent = async (
+  trx: typeof db,
+  userId: number,
+  fileId: number,
+  newPath: string,
+  encContentHash: string,
+) => {
+  const file = await trx
+    .selectFrom("file")
+    .select(["path", "encrypted_content_iv"])
+    .where("id", "=", fileId)
+    .where("user_id", "=", userId)
+    .limit(1)
+    .forUpdate()
+    .executeTakeFirst();
+
+  if (!file) {
+    throw new IntegrityError("File not found");
+  }
+  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 file.path;
+};
+
 export const addFileToCategory = async (fileId: number, categoryId: number) => {
   await db.transaction().execute(async (trx) => {
     try {
@@ -472,36 +605,3 @@ export const removeFileFromCategory = async (fileId: number, categoryId: number)
       .execute();
   });
 };
-
-export const setFileFavorite = async (userId: number, fileId: number, isFavorite: boolean) => {
-  await db.transaction().execute(async (trx) => {
-    const file = await trx
-      .selectFrom("file")
-      .select("is_favorite")
-      .where("id", "=", fileId)
-      .where("user_id", "=", userId)
-      .limit(1)
-      .forUpdate()
-      .executeTakeFirst();
-    if (!file) {
-      throw new IntegrityError("File not found");
-    } else if (file.is_favorite === isFavorite) {
-      throw new IntegrityError(isFavorite ? "File already favorited" : "File not favorited");
-    }
-
-    await trx
-      .updateTable("file")
-      .set({ is_favorite: isFavorite })
-      .where("id", "=", fileId)
-      .where("user_id", "=", userId)
-      .execute();
-    await trx
-      .insertInto("file_log")
-      .values({
-        file_id: fileId,
-        timestamp: new Date(),
-        action: isFavorite ? "add-to-favorites" : "remove-from-favorites",
-      })
-      .execute();
-  });
-};

src/lib/server/db/index.ts

@@ -1,6 +1,5 @@
 export * as CategoryRepo from "./category";
 export * as ClientRepo from "./client";
-export * as DirectoryRepo from "./directory";
 export * as FileRepo from "./file";
 export * as HskRepo from "./hsk";
 export * as MediaRepo from "./media";

src/lib/server/db/media.ts

@@ -83,3 +83,27 @@ export const getFileThumbnail = async (userId: number, fileId: number) => {
       } satisfies FileThumbnail)
     : null;
 };
+
+export const getMissingFileThumbnails = async (userId: number, limit: number = 100) => {
+  const files = await db
+    .selectFrom("file")
+    .select("id")
+    .where("user_id", "=", userId)
+    .where((eb) =>
+      eb.or([eb("content_type", "like", "image/%"), eb("content_type", "like", "video/%")]),
+    )
+    .where((eb) =>
+      eb.not(
+        eb.exists(
+          eb
+            .selectFrom("thumbnail")
+            .select("thumbnail.id")
+            .whereRef("thumbnail.file_id", "=", "file.id")
+            .limit(1),
+        ),
+      ),
+    )
+    .limit(limit)
+    .execute();
+  return files.map(({ id }) => id);
+};

src/lib/server/db/mek.ts

@@ -71,7 +71,7 @@ export const getAllValidClientMeks = async (userId: number, clientId: number) =>
     .selectAll()
     .where("client_master_encryption_key.user_id", "=", userId)
     .where("client_master_encryption_key.client_id", "=", clientId)
-    .where("state", "in", ["active", "retired"])
+    .where((eb) => eb.or([eb("state", "=", "active"), eb("state", "=", "retired")]))
     .execute();
   return clientMeks.map(
     ({ user_id, client_id, version, state, encrypted_key, encrypted_key_signature }) =>

src/lib/server/db/migrations/1737357000-Initial.ts

@@ -135,7 +135,7 @@ export const up = async (db: Kysely<any>) => {
     )
     .execute();
 
-  // directory.ts
+  // file.ts
   await db.schema
     .createTable("directory")
     .addColumn("id", "integer", (col) => col.primaryKey().generatedAlwaysAsIdentity())
@@ -162,8 +162,6 @@ export const up = async (db: Kysely<any>) => {
     .addColumn("action", "text", (col) => col.notNull())
     .addColumn("new_name", "json")
     .execute();
-
-  // file.ts
   await db.schema
     .createTable("file")
     .addColumn("id", "integer", (col) => col.primaryKey().generatedAlwaysAsIdentity())

src/lib/server/db/migrations/1737422340-AddFileCategory.ts

@@ -53,7 +53,9 @@ export const up = async (db: Kysely<any>) => {
 export const down = async (db: Kysely<any>) => {
   await db
     .deleteFrom("file_log")
-    .where("action", "in", ["add-to-category", "remove-from-category"])
+    .where((eb) =>
+      eb.or([eb("action", "=", "add-to-category"), eb("action", "=", "remove-from-category")]),
+    )
     .execute();
 
   await db.schema.dropTable("file_category").execute();

src/lib/server/db/migrations/1768062380-AddChunkedUpload.ts

@@ -21,14 +21,8 @@ export const up = async (db: Kysely<any>) => {
     .addColumn("type", "text", (col) => col.notNull())
     .addColumn("user_id", "integer", (col) => col.references("user.id").notNull())
     .addColumn("path", "text", (col) => col.notNull())
-    .addColumn("bitmap", "bytea", (col) => col.notNull())
     .addColumn("total_chunks", "integer", (col) => col.notNull())
-    .addColumn("uploaded_chunks", "integer", (col) =>
+    .addColumn("uploaded_chunks", sql`integer[]`, (col) => col.notNull().defaultTo(sql`'{}'`))
-      col
-        .generatedAlwaysAs(sql`bit_count(bitmap)`)
-        .stored()
-        .notNull(),
-    )
     .addColumn("expires_at", "timestamp(3)", (col) => col.notNull())
     .addColumn("parent_id", "integer", (col) => col.references("directory.id"))
     .addColumn("master_encryption_key_version", "integer")
@@ -52,18 +46,11 @@ export const up = async (db: Kysely<any>) => {
       "hmac_secret_key",
       ["user_id", "version"],
     )
-    .addCheckConstraint(
-      "upload_session_ck01",
-      sql`length(bitmap) = ceil(total_chunks / 8.0)::integer`,
-    )
-    .addCheckConstraint("upload_session_ck02", sql`uploaded_chunks <= total_chunks`)
     .execute();
 };
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const down = async (db: Kysely<any>) => {
-  await db.deleteFrom("file_log").where("action", "=", "migrate").execute();
-
   await db.schema.dropTable("upload_session").execute();
   await db.schema
     .alterTable("thumbnail")

src/lib/server/db/migrations/1768643000-AddFavorites.ts

@@ -1,31 +0,0 @@
-import { Kysely } from "kysely";
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export const up = async (db: Kysely<any>) => {
-  // directory.ts
-  await db.schema
-    .alterTable("directory")
-    .addColumn("is_favorite", "boolean", (col) => col.notNull().defaultTo(false))
-    .execute();
-
-  // file.ts
-  await db.schema
-    .alterTable("file")
-    .addColumn("is_favorite", "boolean", (col) => col.notNull().defaultTo(false))
-    .execute();
-};
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export const down = async (db: Kysely<any>) => {
-  await db
-    .deleteFrom("file_log")
-    .where("action", "in", ["add-to-favorites", "remove-from-favorites"])
-    .execute();
-  await db
-    .deleteFrom("directory_log")
-    .where("action", "in", ["add-to-favorites", "remove-from-favorites"])
-    .execute();
-
-  await db.schema.alterTable("file").dropColumn("is_favorite").execute();
-  await db.schema.alterTable("directory").dropColumn("is_favorite").execute();
-};

src/lib/server/db/migrations/index.ts

@@ -2,12 +2,10 @@ import * as Initial1737357000 from "./1737357000-Initial";
 import * as AddFileCategory1737422340 from "./1737422340-AddFileCategory";
 import * as AddThumbnail1738409340 from "./1738409340-AddThumbnail";
 import * as AddChunkedUpload1768062380 from "./1768062380-AddChunkedUpload";
-import * as AddFavorites1768643000 from "./1768643000-AddFavorites";
 
 export default {
   "1737357000-Initial": Initial1737357000,
   "1737422340-AddFileCategory": AddFileCategory1737422340,
   "1738409340-AddThumbnail": AddThumbnail1738409340,
   "1768062380-AddChunkedUpload": AddChunkedUpload1768062380,
-  "1768643000-AddFavorites": AddFavorites1768643000,
 };

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

@@ -1,7 +1,7 @@
 import type { Generated } from "kysely";
 import type { Ciphertext } from "./utils";
 
-export interface CategoryTable {
+interface CategoryTable {
   id: Generated<number>;
   parent_id: number | null;
   user_id: number;
@@ -11,7 +11,7 @@ export interface CategoryTable {
   encrypted_name: Ciphertext;
 }
 
-export interface CategoryLogTable {
+interface CategoryLogTable {
   id: Generated<number>;
   category_id: number;
   timestamp: Date;

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

@@ -1,6 +1,6 @@
 import type { ColumnType, Generated } from "kysely";
 
-export interface ClientTable {
+interface ClientTable {
   id: Generated<number>;
   encryption_public_key: string; // Base64
   signature_public_key: string; // Base64
@@ -8,13 +8,13 @@ export interface ClientTable {
 
 export type UserClientState = "challenging" | "pending" | "active";
 
-export interface UserClientTable {
+interface UserClientTable {
   user_id: number;
   client_id: number;
   state: ColumnType<UserClientState, UserClientState | undefined>;
 }
 
-export interface UserClientChallengeTable {
+interface UserClientChallengeTable {
   id: Generated<number>;
   user_id: number;
   client_id: number;

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

@@ -1,28 +0,0 @@
-import type { ColumnType, Generated } from "kysely";
-import type { Ciphertext } from "./utils";
-
-export interface DirectoryTable {
-  id: Generated<number>;
-  parent_id: number | null;
-  user_id: number;
-  master_encryption_key_version: number;
-  encrypted_data_encryption_key: string; // Base64
-  data_encryption_key_version: Date;
-  encrypted_name: Ciphertext;
-  is_favorite: Generated<boolean>;
-}
-
-export interface DirectoryLogTable {
-  id: Generated<number>;
-  directory_id: number;
-  timestamp: ColumnType<Date, Date, never>;
-  action: "create" | "rename" | "add-to-favorites" | "remove-from-favorites";
-  new_name: Ciphertext | null;
-}
-
-declare module "./index" {
-  interface Database {
-    directory: DirectoryTable;
-    directory_log: DirectoryLogTable;
-  }
-}

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

@@ -1,7 +1,25 @@
 import type { ColumnType, Generated } from "kysely";
 import type { Ciphertext } from "./utils";
 
-export interface FileTable {
+interface DirectoryTable {
+  id: Generated<number>;
+  parent_id: number | null;
+  user_id: number;
+  master_encryption_key_version: number;
+  encrypted_data_encryption_key: string; // Base64
+  data_encryption_key_version: Date;
+  encrypted_name: Ciphertext;
+}
+
+interface DirectoryLogTable {
+  id: Generated<number>;
+  directory_id: number;
+  timestamp: ColumnType<Date, Date, never>;
+  action: "create" | "rename";
+  new_name: Ciphertext | null;
+}
+
+interface FileTable {
   id: Generated<number>;
   parent_id: number | null;
   user_id: number;
@@ -17,32 +35,26 @@ export interface FileTable {
   encrypted_name: Ciphertext;
   encrypted_created_at: Ciphertext | null;
   encrypted_last_modified_at: Ciphertext;
-  is_favorite: Generated<boolean>;
 }
 
-export interface FileLogTable {
+interface FileLogTable {
   id: Generated<number>;
   file_id: number;
   timestamp: ColumnType<Date, Date, never>;
-  action:
+  action: "create" | "rename" | "migrate" | "add-to-category" | "remove-from-category";
-    | "create"
-    | "rename"
-    | "migrate"
-    | "add-to-category"
-    | "remove-from-category"
-    | "add-to-favorites"
-    | "remove-from-favorites";
   new_name: Ciphertext | null;
   category_id: number | null;
 }
 
-export interface FileCategoryTable {
+interface FileCategoryTable {
   file_id: number;
   category_id: number;
 }
 
 declare module "./index" {
   interface Database {
+    directory: DirectoryTable;
+    directory_log: DirectoryLogTable;
     file: FileTable;
     file_log: FileLogTable;
     file_category: FileCategoryTable;

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

@@ -2,7 +2,7 @@ import type { ColumnType, Generated } from "kysely";
 
 export type HskState = "active";
 
-export interface HskTable {
+interface HskTable {
   user_id: number;
   version: number;
   state: HskState;
@@ -10,7 +10,7 @@ export interface HskTable {
   encrypted_key: string; // Base64
 }
 
-export interface HskLogTable {
+interface HskLogTable {
   id: Generated<number>;
   user_id: number;
   hmac_secret_key_version: number;

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

@@ -1,6 +1,5 @@
 export * from "./category";
 export * from "./client";
-export * from "./directory";
 export * from "./file";
 export * from "./hsk";
 export * from "./media";

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

@@ -1,6 +1,6 @@
 import type { Generated } from "kysely";
 
-export interface ThumbnailTable {
+interface ThumbnailTable {
   id: Generated<number>;
   directory_id: number | null;
   file_id: number | null;

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

@@ -2,13 +2,13 @@ import type { ColumnType, Generated } from "kysely";
 
 export type MekState = "active" | "retired" | "dead";
 
-export interface MekTable {
+interface MekTable {
   user_id: number;
   version: number;
   state: MekState;
 }
 
-export interface MekLogTable {
+interface MekLogTable {
   id: Generated<number>;
   user_id: number;
   master_encryption_key_version: number;
@@ -17,7 +17,7 @@ export interface MekLogTable {
   action_by: number | null;
 }
 
-export interface ClientMekTable {
+interface ClientMekTable {
   user_id: number;
   client_id: number;
   version: number;

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

@@ -1,6 +1,6 @@
 import type { ColumnType, Generated } from "kysely";
 
-export interface SessionTable {
+interface SessionTable {
   id: string;
   user_id: number;
   client_id: number | null;
@@ -10,7 +10,7 @@ export interface SessionTable {
   last_used_by_agent: string | null;
 }
 
-export interface SessionUpgradeChallengeTable {
+interface SessionUpgradeChallengeTable {
   id: Generated<number>;
   session_id: string;
   client_id: number;

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

@@ -1,16 +1,16 @@
 import type { Generated } from "kysely";
 import type { Ciphertext } from "./utils";
 
-export interface UploadSessionTable {
+interface UploadSessionTable {
   id: string;
-  type: "file" | "thumbnail";
+  type: "file" | "thumbnail" | "migration";
   user_id: number;
   path: string;
-  bitmap: Buffer;
   total_chunks: number;
-  uploaded_chunks: Generated<number>;
+  uploaded_chunks: Generated<number[]>;
   expires_at: Date;
 
+  // For file uploads
   parent_id: number | null;
   master_encryption_key_version: number | null;
   encrypted_data_encryption_key: string | null; // Base64
@@ -20,6 +20,8 @@ export interface UploadSessionTable {
   encrypted_name: Ciphertext | null;
   encrypted_created_at: Ciphertext | null;
   encrypted_last_modified_at: Ciphertext | null;
+
+  // For thumbnail uploads
   file_id: number | null;
 }
 

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

@@ -1,6 +1,6 @@
 import type { Generated } from "kysely";
 
-export interface UserTable {
+interface UserTable {
   id: Generated<number>;
   email: string;
   nickname: string;

src/lib/server/db/upload.ts

@@ -7,9 +7,8 @@ interface BaseUploadSession {
   id: string;
   userId: number;
   path: string;
-  bitmap: Buffer;
   totalChunks: number;
-  uploadedChunks: number;
+  uploadedChunks: number[];
   expiresAt: Date;
 }
 
@@ -32,8 +31,13 @@ interface ThumbnailUploadSession extends BaseUploadSession {
   dekVersion: Date;
 }
 
+interface MigrationUploadSession extends BaseUploadSession {
+  type: "migration";
+  fileId: number;
+}
+
 export const createFileUploadSession = async (
-  params: Omit<FileUploadSession, "type" | "bitmap" | "uploadedChunks">,
+  params: Omit<FileUploadSession, "type" | "uploadedChunks">,
 ) => {
   await db.transaction().execute(async (trx) => {
     const mek = await trx
@@ -69,7 +73,6 @@ export const createFileUploadSession = async (
         type: "file",
         user_id: params.userId,
         path: params.path,
-        bitmap: Buffer.alloc(Math.ceil(params.totalChunks / 8)),
         total_chunks: params.totalChunks,
         expires_at: params.expiresAt,
         parent_id: params.parentId !== "root" ? params.parentId : null,
@@ -87,7 +90,7 @@ export const createFileUploadSession = async (
 };
 
 export const createThumbnailUploadSession = async (
-  params: Omit<ThumbnailUploadSession, "bitmap" | "uploadedChunks">,
+  params: Omit<ThumbnailUploadSession, "type" | "uploadedChunks">,
 ) => {
   await db.transaction().execute(async (trx) => {
     const file = await trx
@@ -108,10 +111,9 @@ export const createThumbnailUploadSession = async (
       .insertInto("upload_session")
       .values({
         id: params.id,
-        type: params.type,
+        type: "thumbnail",
         user_id: params.userId,
         path: params.path,
-        bitmap: Buffer.alloc(Math.ceil(params.totalChunks / 8)),
         total_chunks: params.totalChunks,
         expires_at: params.expiresAt,
         file_id: params.fileId,
@@ -121,6 +123,39 @@ export const createThumbnailUploadSession = async (
   });
 };
 
+export const createMigrationUploadSession = async (
+  params: Omit<MigrationUploadSession, "type" | "uploadedChunks">,
+) => {
+  await db.transaction().execute(async (trx) => {
+    const file = await trx
+      .selectFrom("file")
+      .select("encrypted_content_iv")
+      .where("id", "=", params.fileId)
+      .where("user_id", "=", params.userId)
+      .limit(1)
+      .forUpdate()
+      .executeTakeFirst();
+    if (!file) {
+      throw new IntegrityError("File not found");
+    } else if (!file.encrypted_content_iv) {
+      throw new IntegrityError("File is not legacy");
+    }
+
+    await trx
+      .insertInto("upload_session")
+      .values({
+        id: params.id,
+        type: "migration",
+        user_id: params.userId,
+        path: params.path,
+        total_chunks: params.totalChunks,
+        expires_at: params.expiresAt,
+        file_id: params.fileId,
+      })
+      .execute();
+  });
+};
+
 export const getUploadSession = async (sessionId: string, userId: number) => {
   const session = await db
     .selectFrom("upload_session")
@@ -138,7 +173,6 @@ export const getUploadSession = async (sessionId: string, userId: number) => {
       id: session.id,
       userId: session.user_id,
       path: session.path,
-      bitmap: session.bitmap,
       totalChunks: session.total_chunks,
       uploadedChunks: session.uploaded_chunks,
       expiresAt: session.expires_at,
@@ -152,28 +186,36 @@ export const getUploadSession = async (sessionId: string, userId: number) => {
       encCreatedAt: session.encrypted_created_at,
       encLastModifiedAt: session.encrypted_last_modified_at!,
     } satisfies FileUploadSession;
-  } else {
+  } else if (session.type === "thumbnail") {
     return {
-      type: session.type,
+      type: "thumbnail",
       id: session.id,
       userId: session.user_id,
       path: session.path,
-      bitmap: session.bitmap,
       totalChunks: session.total_chunks,
       uploadedChunks: session.uploaded_chunks,
       expiresAt: session.expires_at,
       fileId: session.file_id!,
       dekVersion: session.data_encryption_key_version!,
     } satisfies ThumbnailUploadSession;
+  } else {
+    return {
+      type: "migration",
+      id: session.id,
+      userId: session.user_id,
+      path: session.path,
+      totalChunks: session.total_chunks,
+      uploadedChunks: session.uploaded_chunks,
+      expiresAt: session.expires_at,
+      fileId: session.file_id!,
+    } satisfies MigrationUploadSession;
   }
 };
 
 export const markChunkAsUploaded = async (sessionId: string, chunkIndex: number) => {
   await db
     .updateTable("upload_session")
-    .set({
+    .set({ uploaded_chunks: sql`array_append(uploaded_chunks, ${chunkIndex})` })
-      bitmap: sql`set_bit(${sql.ref("bitmap")}, ${chunkIndex - 1}, 1)`,
-    })
     .where("id", "=", sessionId)
     .execute();
 };

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/services/upload.ts

@@ -1,73 +1,19 @@
 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>();
 
-const isChunkUploaded = (bitmap: Buffer, chunkIndex: number) => {
-  chunkIndex -= 1;
-  const byte = bitmap[Math.floor(chunkIndex / 8)];
-  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)) {
@@ -76,21 +22,52 @@ export const uploadChunk = async (
     chunkLocks.add(lockKey);
   }
 
+  let filePath;
+
   try {
     const session = await UploadRepo.getUploadSession(sessionId, userId);
     if (!session) {
       error(404, "Invalid upload id");
-    } else if (chunkIndex > session.totalChunks) {
+    } else if (chunkIndex >= session.totalChunks) {
       error(400, "Invalid chunk index");
-    } else if (isChunkUploaded(session.bitmap, chunkIndex)) {
+    } else if (session.uploadedChunks.includes(chunkIndex)) {
       error(409, "Chunk already uploaded");
     }
 
-    const isLastChunk = chunkIndex === session.totalChunks;
+    const isLastChunk = chunkIndex === session.totalChunks - 1;
-    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 +78,5 @@ 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/lib/services/file.ts

@@ -1,4 +1,5 @@
 import { getAllFileInfos } from "$lib/indexedDB/filesystem";
+import { encodeToBase64, digestMessage } from "$lib/modules/crypto";
 import {
   getFileCache,
   storeFileCache,
@@ -6,7 +7,6 @@ import {
   downloadFile,
   deleteFileThumbnailCache,
 } from "$lib/modules/file";
-import { uploadBlob } from "$lib/modules/upload";
 import { trpc } from "$trpc/client";
 
 export const requestFileDownload = async (
@@ -24,24 +24,41 @@ export const requestFileDownload = async (
 
 export const requestFileThumbnailUpload = async (
   fileId: number,
-  thumbnail: Blob,
-  dataKey: CryptoKey,
   dataKeyVersion: Date,
+  thumbnailEncrypted: { ciphertext: ArrayBuffer; iv: ArrayBuffer },
 ) => {
-  try {
   const { uploadId } = await trpc().upload.startFileThumbnailUpload.mutate({
     file: fileId,
     dekVersion: dataKeyVersion,
   });
 
-    await uploadBlob(uploadId, thumbnail, dataKey);
+  // Prepend IV to ciphertext (consistent with file download format)
+  const ivAndCiphertext = new Uint8Array(
+    thumbnailEncrypted.iv.byteLength + thumbnailEncrypted.ciphertext.byteLength,
+  );
+  ivAndCiphertext.set(new Uint8Array(thumbnailEncrypted.iv), 0);
+  ivAndCiphertext.set(
+    new Uint8Array(thumbnailEncrypted.ciphertext),
+    thumbnailEncrypted.iv.byteLength,
+  );
+
+  const chunkHash = encodeToBase64(await digestMessage(ivAndCiphertext));
+
+  const response = await fetch(`/api/upload/${uploadId}/chunks/0`, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/octet-stream",
+      "Content-Digest": `sha-256=:${chunkHash}:`,
+    },
+    body: ivAndCiphertext,
+  });
+
+  if (!response.ok) {
+    throw new Error(`Thumbnail upload failed: ${response.status} ${response.statusText}`);
+  }
 
   await trpc().upload.completeFileThumbnailUpload.mutate({ uploadId });
-    return true;
+  return response;
-  } catch {
-    // TODO: Error Handling
-    return false;
-  }
 };
 
 export const requestDeletedFilesCleanup = async () => {

src/lib/types/utils.d.ts

@@ -1 +0,0 @@
-type AllUndefined<T> = { [K in keyof T]?: undefined };

src/lib/utils/HybridPromise.ts

@@ -90,42 +90,4 @@ export class HybridPromise<T> implements PromiseLike<T> {
       return HybridPromise.reject(e);
     }
   }
-
-  static all<T extends readonly unknown[] | []>(
-    maybePromises: T,
-  ): HybridPromise<{ -readonly [P in keyof T]: HybridAwaited<T[P]> }> {
-    const length = maybePromises.length;
-    if (length === 0) {
-      return HybridPromise.resolve([] as any);
-    }
-
-    const hps = Array.from(maybePromises).map((p) => HybridPromise.resolve(p));
-    if (hps.some((hp) => !hp.isSync())) {
-      return new HybridPromise({
-        mode: "async",
-        promise: Promise.all(hps.map((hp) => hp.toPromise())) as any,
-      });
-    }
-
-    try {
-      return HybridPromise.resolve(
-        Array.from(
-          hps.map((hp) => {
-            if (hp.state.mode === "sync") {
-              if (hp.state.status === "fulfilled") {
-                return hp.state.value;
-              } else {
-                throw hp.state.reason;
-              }
-            }
-          }),
-        ) as any,
-      );
-    } catch (e) {
-      return HybridPromise.reject(e);
-    }
-  }
 }
-
-export type HybridAwaited<T> =
-  T extends HybridPromise<infer U> ? U : T extends Promise<infer U> ? U : T;

src/lib/utils/concurrency/BoundedQueue.ts

@@ -1,44 +0,0 @@
-export class BoundedQueue<T> {
-  private isClosed = false;
-  private reservedCount = 0;
-  private items: T[] = [];
-
-  private waitersNotFull: (() => void)[] = [];
-  private waitersNotEmpty: (() => void)[] = [];
-
-  constructor(private readonly maxSize: number) {}
-
-  async push(item: T) {
-    if (this.isClosed) {
-      throw new Error("Queue closed");
-    }
-
-    while (this.reservedCount >= this.maxSize) {
-      await new Promise<void>((resolve) => this.waitersNotFull.push(resolve));
-      if (this.isClosed) throw new Error("Queue closed");
-    }
-
-    this.reservedCount++;
-    this.items.push(item);
-    this.waitersNotEmpty.shift()?.();
-  }
-
-  async pop() {
-    while (this.items.length === 0) {
-      if (this.isClosed) return null;
-      await new Promise<void>((resolve) => this.waitersNotEmpty.push(resolve));
-    }
-
-    const item = this.items.shift()!;
-    this.reservedCount--;
-    this.waitersNotFull.shift()?.();
-
-    return item;
-  }
-
-  close() {
-    this.isClosed = true;
-    while (this.waitersNotEmpty.length > 0) this.waitersNotEmpty.shift()!();
-    while (this.waitersNotFull.length > 0) this.waitersNotFull.shift()!();
-  }
-}

src/lib/utils/concurrency/index.ts

@@ -1,3 +0,0 @@
-export * from "./BoundedQueue";
-export * from "./HybridPromise";
-export * from "./Scheduler";

src/lib/utils/index.ts

@@ -1,5 +1,4 @@
-export * from "./concurrency";
 export * from "./format";
 export * from "./gotoStateful";
-export * from "./search";
+export * from "./HybridPromise";
 export * from "./sort";

src/lib/utils/search.ts

@@ -1,28 +0,0 @@
-import { disassemble, getChoseong } from "es-hangul";
-
-const normalize = (s: string) => {
-  return s.normalize("NFC").toLowerCase().replace(/\s/g, "");
-};
-
-const extractHangul = (s: string) => {
-  return s.replace(/[^가-힣ㄱ-ㅎㅏ-ㅣ]/g, "");
-};
-
-const hangulSearch = (original: string, query: string) => {
-  original = extractHangul(original);
-  query = extractHangul(query);
-  if (!original || !query) return false;
-
-  return (
-    disassemble(original).includes(disassemble(query)) ||
-    getChoseong(original).includes(getChoseong(query))
-  );
-};
-
-export const searchString = (original: string, query: string) => {
-  original = normalize(original);
-  query = normalize(query);
-  if (!original || !query) return false;
-
-  return original.includes(query) || hangulSearch(original, query);
-};

src/routes/(fullscreen)/file/[id]/+page.svelte

@@ -18,7 +18,6 @@
     requestThumbnailUpload,
     requestFileAdditionToCategory,
     requestVideoStream,
-    requestFavoriteToggle,
   } from "./service";
   import TopBarMenu from "./TopBarMenu.svelte";
 
@@ -76,11 +75,6 @@
     void getFileInfo(data.id, $masterKeyStore?.get(1)?.key!); // TODO: FIXME
   };
 
-  const toggleFavorite = async () => {
-    await requestFavoriteToggle(data.id, !!info?.isFavorite);
-    void getFileInfo(data.id, $masterKeyStore?.get(1)?.key!); // TODO: FIXME
-  };
-
   $effect(() => {
     HybridPromise.resolve(getFileInfo(data.id, $masterKeyStore?.get(1)?.key!)).then((result) => {
       if (data.id === result.id) {
@@ -150,22 +144,18 @@
   <div onclick={(e) => e.stopPropagation()}>
     <button
       onclick={() => (isMenuOpen = !isMenuOpen)}
-      class="w-full rounded-full p-1 text-2xl active:bg-black active:bg-opacity-[0.04]"
+      class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
     >
-      <IconMoreVert />
+      <IconMoreVert class="text-2xl" />
     </button>
     <TopBarMenu
       bind:isOpen={isMenuOpen}
-      directoryId={["category", "gallery", "search", "favorite"].includes(
+      directoryId={["category", "gallery"].includes(page.url.searchParams.get("from") ?? "")
-        page.url.searchParams.get("from") ?? "",
-      )
         ? info?.parentId
         : undefined}
       {fileBlob}
       downloadUrl={videoStreamUrl}
       filename={info?.name}
-      isFavorite={info?.isFavorite}
-      onToggleFavorite={toggleFavorite}
     />
   </div>
 </TopBar>

src/routes/(fullscreen)/file/[id]/TopBarMenu.svelte

@@ -5,8 +5,6 @@
   import { fly } from "svelte/transition";
   import { goto } from "$app/navigation";
 
-  import IconFavorite from "~icons/material-symbols/favorite";
-  import IconFavoriteOutline from "~icons/material-symbols/favorite-outline";
   import IconFolderOpen from "~icons/material-symbols/folder-open";
   import IconCloudDownload from "~icons/material-symbols/cloud-download";
 
@@ -15,20 +13,10 @@
     downloadUrl?: string;
     fileBlob?: Blob;
     filename?: string;
-    isFavorite?: boolean;
     isOpen: boolean;
-    onToggleFavorite?: () => void;
   }
 
-  let {
+  let { directoryId, downloadUrl, fileBlob, filename, isOpen = $bindable() }: Props = $props();
-    directoryId,
-    downloadUrl,
-    fileBlob,
-    filename,
-    isFavorite,
-    isOpen = $bindable(),
-    onToggleFavorite,
-  }: Props = $props();
 
   const handleDownload = () => {
     if (fileBlob && filename) {
@@ -46,7 +34,7 @@
 
 {#if isOpen && (directoryId || downloadUrl || fileBlob)}
   <div
-    class="absolute right-2 top-full z-20 min-w-44 space-y-1 rounded-lg bg-white px-1 py-2 shadow-2xl"
+    class="absolute right-2 top-full z-20 space-y-1 rounded-lg bg-white px-1 py-2 shadow-2xl"
     transition:fly={{ y: -8, duration: 200 }}
   >
     <p class="px-3 pt-2 text-sm font-semibold text-gray-600">더보기</p>
@@ -66,13 +54,6 @@
         </button>
       {/snippet}
 
-      {#if isFavorite !== undefined}
-        {@render menuButton(
-          isFavorite ? IconFavorite : IconFavoriteOutline,
-          isFavorite ? "즐겨찾기 해제" : "즐겨찾기",
-          onToggleFavorite ?? (() => {}),
-        )}
-      {/if}
       {#if directoryId}
         {@render menuButton(IconFolderOpen, "폴더에서 보기", () =>
           goto(

src/routes/(fullscreen)/file/[id]/service.ts

@@ -1,3 +1,4 @@
+import { encryptData } from "$lib/modules/crypto";
 import { storeFileThumbnailCache } from "$lib/modules/file";
 import { prepareFileDecryption, getDecryptedFileUrl } from "$lib/serviceWorker";
 import { requestFileThumbnailUpload } from "$lib/services/file";
@@ -32,10 +33,12 @@ export const requestThumbnailUpload = async (
   dataKey: CryptoKey,
   dataKeyVersion: Date,
 ) => {
-  const res = await requestFileThumbnailUpload(fileId, thumbnail, dataKey, dataKeyVersion);
+  const thumbnailBuffer = await thumbnail.arrayBuffer();
-  if (!res) return false;
+  const thumbnailEncrypted = await encryptData(thumbnailBuffer, dataKey);
+  const res = await requestFileThumbnailUpload(fileId, dataKeyVersion, thumbnailEncrypted);
+  if (!res.ok) return false;
 
-  void thumbnail.arrayBuffer().then((buffer) => storeFileThumbnailCache(fileId, buffer));
+  storeFileThumbnailCache(fileId, thumbnailBuffer); // Intended
   return true;
 };
 
@@ -48,17 +51,3 @@ export const requestFileAdditionToCategory = async (fileId: number, categoryId:
     return false;
   }
 };
-
-export const requestFavoriteToggle = async (fileId: number, isFavorite: boolean) => {
-  try {
-    if (isFavorite) {
-      await trpc().favorites.removeFile.mutate({ id: fileId });
-    } else {
-      await trpc().favorites.addFile.mutate({ id: fileId });
-    }
-    return true;
-  } catch {
-    // TODO: Error Handling
-    return false;
-  }
-};

src/routes/(fullscreen)/file/uploads/+page.svelte

@@ -16,7 +16,7 @@
 <TopBar />
 <FullscreenDiv>
   <div class="space-y-2 pb-4">
-    {#each uploadingFiles as file (file.id)}
+    {#each uploadingFiles as file}
       <File state={file} />
     {/each}
   </div>

src/routes/(fullscreen)/gallery/+page.svelte

@@ -63,7 +63,7 @@
 <FullscreenDiv>
   <RowVirtualizer
     count={rows.length}
-    estimateItemHeight={(index) =>
+    itemHeight={(index) =>
       rows[index]!.type === "header" ? 28 : 181 + (rows[index]!.isLast ? 16 : 4)}
     class="flex flex-grow flex-col"
   >

src/routes/(fullscreen)/search/+page.svelte

@@ -1,254 +0,0 @@
-<script lang="ts">
-  import type { Snapshot } from "@sveltejs/kit";
-  import superjson, { type SuperJSONResult } from "superjson";
-  import { untrack } from "svelte";
-  import { slide } from "svelte/transition";
-  import { goto } from "$app/navigation";
-  import { Chip, FullscreenDiv, RowVirtualizer } from "$lib/components/atoms";
-  import {
-    getDirectoryInfo,
-    type LocalCategoryInfo,
-    type MaybeDirectoryInfo,
-  } from "$lib/modules/filesystem";
-  import { masterKeyStore } from "$lib/stores";
-  import { HybridPromise, searchString, sortEntries } from "$lib/utils";
-  import Directory from "./Directory.svelte";
-  import File from "./File.svelte";
-  import SearchBar from "./SearchBar.svelte";
-  import SelectCategoryBottomSheet from "./SelectCategoryBottomSheet.svelte";
-  import { requestSearch, type SearchFilter, type SearchResult } from "./service";
-
-  let { data } = $props();
-
-  interface SearchFilters {
-    name: string;
-    includeImages: boolean;
-    includeVideos: boolean;
-    includeDirectories: boolean;
-    searchInFavorites: boolean;
-    searchInDirectory: boolean;
-    categories: SearchFilter["categories"];
-  }
-
-  let directoryInfo: MaybeDirectoryInfo | undefined = $state();
-
-  let filters: SearchFilters = $state({
-    name: "",
-    includeImages: false,
-    includeVideos: false,
-    includeDirectories: false,
-    searchInDirectory: false,
-    searchInFavorites: false,
-    categories: [],
-  });
-  let hasCategoryFilter = $derived(filters.categories.length > 0);
-  let hasAnyFilter = $derived(
-    hasCategoryFilter ||
-      filters.includeImages ||
-      filters.includeVideos ||
-      filters.includeDirectories ||
-      filters.name.trim().length > 0,
-  );
-
-  let isRestoredFromSnapshot = $state(false);
-  let serverResult: SearchResult | undefined = $state();
-  let result = $derived.by(() => {
-    if (!serverResult) return [];
-
-    const nameFilter = filters.name.trim();
-    const hasTypeFilter =
-      filters.includeImages || filters.includeVideos || filters.includeDirectories;
-
-    const directories =
-      !hasTypeFilter || filters.includeDirectories
-        ? serverResult.directories.map((directory) => ({
-            type: "directory" as const,
-            ...directory,
-          }))
-        : [];
-    const files =
-      !hasTypeFilter || filters.includeImages || filters.includeVideos
-        ? serverResult.files
-            .filter(
-              ({ contentType }) =>
-                !hasTypeFilter ||
-                (filters.includeImages && contentType.startsWith("image/")) ||
-                (filters.includeVideos && contentType.startsWith("video/")),
-            )
-            .map((file) => ({
-              type: "file" as const,
-              ...file,
-            }))
-        : [];
-
-    return sortEntries(
-      [...directories, ...files].filter(
-        (entry) => !nameFilter || searchString(entry.name, nameFilter),
-      ),
-    );
-  });
-
-  let isSelectCategoryBottomSheetOpen = $state(false);
-  let categorySelectMode: "include" | "exclude" = $state("include");
-
-  const openSelectCategoryBottomSheet = (mode: "include" | "exclude") => {
-    categorySelectMode = mode;
-    isSelectCategoryBottomSheetOpen = true;
-  };
-
-  const addCategoryFilter = (category: LocalCategoryInfo) => {
-    if (!filters.categories.some(({ info }) => info.id === category.id)) {
-      filters.categories.push({
-        info: category,
-        type: categorySelectMode,
-      });
-      isSelectCategoryBottomSheetOpen = false;
-    }
-  };
-
-  export const snapshot: Snapshot<{
-    filters: SearchFilters;
-    serverResult: SuperJSONResult;
-  }> = {
-    capture() {
-      return { filters, serverResult: superjson.serialize(serverResult) };
-    },
-    restore(value) {
-      filters = value.filters;
-      serverResult = superjson.deserialize(value.serverResult, { inPlace: true });
-      isRestoredFromSnapshot = true;
-    },
-  };
-
-  $effect.pre(() => {
-    if (data.directoryId) {
-      HybridPromise.resolve(getDirectoryInfo(data.directoryId, $masterKeyStore?.get(1)?.key!)).then(
-        (res) => {
-          directoryInfo = res;
-          filters.searchInDirectory = res.exists;
-        },
-      );
-    } else {
-      directoryInfo = undefined;
-      filters.searchInDirectory = false;
-    }
-  });
-
-  $effect.pre(() => {
-    filters.searchInFavorites = data.fromFavorites;
-  });
-
-  $effect(() => {
-    // Svelte sucks
-    hasAnyFilter;
-    filters.searchInDirectory;
-    filters.searchInFavorites;
-    filters.categories.length;
-
-    if (untrack(() => isRestoredFromSnapshot)) {
-      isRestoredFromSnapshot = false;
-      return;
-    }
-
-    if (hasAnyFilter) {
-      requestSearch(
-        {
-          ancestorId: filters.searchInDirectory ? data.directoryId! : "root",
-          inFavorites: filters.searchInFavorites,
-          categories: filters.categories,
-        },
-        $masterKeyStore?.get(1)?.key!,
-      ).then((res) => {
-        serverResult = res;
-      });
-    }
-  });
-</script>
-
-<svelte:head>
-  <title>검색</title>
-</svelte:head>
-
-<SearchBar bind:value={filters.name} />
-<FullscreenDiv class="bg-gray-100 !px-0">
-  <div class="flex flex-grow flex-col space-y-4">
-    <div class="space-y-2 bg-white p-4 !pt-0">
-      <div class="space-y-3">
-        <div class="flex flex-wrap gap-2">
-          <Chip bind:selected={filters.includeImages}>사진</Chip>
-          <Chip bind:selected={filters.includeVideos}>동영상</Chip>
-          {#if !hasCategoryFilter}
-            <Chip bind:selected={filters.includeDirectories}>폴더</Chip>
-          {/if}
-          <Chip bind:selected={filters.searchInFavorites}>즐겨찾기</Chip>
-          {#if directoryInfo?.exists}
-            <Chip bind:selected={filters.searchInDirectory}>
-              위치: {directoryInfo.name}
-            </Chip>
-          {/if}
-        </div>
-        {#if !filters.includeDirectories}
-          <div class="space-y-2" transition:slide={{ duration: 300 }}>
-            <p class="text-sm font-medium text-gray-600">카테고리</p>
-            <div class="flex flex-wrap gap-2">
-              {#each filters.categories as { info, type }, i (info.id)}
-                <Chip
-                  selected
-                  removable
-                  onclick={() => {}}
-                  onRemoveClick={() => filters.categories.splice(i, 1)}
-                >
-                  {#if type === "include"}
-                    포함:
-                  {:else}
-                    제외:
-                  {/if}
-                  {info.name}
-                </Chip>
-              {/each}
-              <Chip onclick={() => openSelectCategoryBottomSheet("include")}>+ 포함</Chip>
-              <Chip onclick={() => openSelectCategoryBottomSheet("exclude")}>- 제외</Chip>
-            </div>
-          </div>
-        {/if}
-      </div>
-    </div>
-    {#if hasAnyFilter}
-      <div class="flex flex-grow flex-col space-y-2 bg-white p-4">
-        <p class="text-lg font-bold text-gray-800">
-          검색 결과
-          {#if result.length > 0}
-            {" "}({result.length}개)
-          {/if}
-        </p>
-        {#if result.length > 0}
-          <RowVirtualizer
-            count={result.length}
-            getItemKey={(index) => `${result[index]!.type}-${result[index]!.id}`}
-            estimateItemHeight={() => 56}
-            itemGap={4}
-          >
-            {#snippet item(index)}
-              {@const info = result[index]!}
-              {#if info.type === "directory"}
-                <Directory {info} onclick={() => goto(`/directory/${info.id}?from=search`)} />
-              {:else}
-                <File {info} onclick={() => goto(`/file/${info.id}?from=search`)} />
-              {/if}
-            {/snippet}
-          </RowVirtualizer>
-        {:else}
-          <div class="flex flex-grow items-center justify-center py-8">
-            <p class="text-gray-500">검색 결과가 없어요.</p>
-          </div>
-        {/if}
-      </div>
-    {/if}
-  </div>
-</FullscreenDiv>
-
-<SelectCategoryBottomSheet
-  bind:isOpen={isSelectCategoryBottomSheetOpen}
-  mode={categorySelectMode}
-  onSelectCategoryClick={addCategoryFilter}
-/>

src/routes/(fullscreen)/search/+page.ts

@@ -1,21 +0,0 @@
-import { error } from "@sveltejs/kit";
-import { z } from "zod";
-import type { PageLoad } from "./$types";
-
-export const load: PageLoad = ({ url }) => {
-  const directoryId = url.searchParams.get("directoryId");
-  const from = url.searchParams.get("from");
-
-  const zodRes = z
-    .object({
-      directoryId: z.coerce.number().int().positive().nullable(),
-      from: z.enum(["favorites"]).nullable(),
-    })
-    .safeParse({ directoryId, from });
-  if (!zodRes.success) error(400, "Invalid query parameters");
-
-  return {
-    directoryId: zodRes.data.directoryId,
-    fromFavorites: zodRes.data.from === "favorites",
-  };
-};

src/routes/(fullscreen)/search/Directory.svelte

@@ -1,16 +0,0 @@
-<script lang="ts">
-  import { ActionEntryButton } from "$lib/components/atoms";
-  import { DirectoryEntryLabel } from "$lib/components/molecules";
-  import type { SubDirectoryInfo } from "$lib/modules/filesystem";
-
-  interface Props {
-    info: SubDirectoryInfo;
-    onclick: () => void;
-  }
-
-  let { info, onclick }: Props = $props();
-</script>
-
-<ActionEntryButton class="h-14" {onclick}>
-  <DirectoryEntryLabel type="directory" name={info.name} isFavorite={info.isFavorite} />
-</ActionEntryButton>

src/routes/(fullscreen)/search/File.svelte

@@ -1,26 +0,0 @@
-<script lang="ts">
-  import { ActionEntryButton } from "$lib/components/atoms";
-  import { DirectoryEntryLabel } from "$lib/components/molecules";
-  import { getFileThumbnail } from "$lib/modules/file";
-  import type { SummarizedFileInfo } from "$lib/modules/filesystem";
-  import { formatDateTime } from "$lib/utils";
-
-  interface Props {
-    info: SummarizedFileInfo;
-    onclick: () => void;
-  }
-
-  let { info, onclick }: Props = $props();
-
-  let thumbnail = $derived(getFileThumbnail(info));
-</script>
-
-<ActionEntryButton class="h-14" {onclick}>
-  <DirectoryEntryLabel
-    type="file"
-    thumbnail={$thumbnail}
-    name={info.name}
-    subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
-    isFavorite={info.isFavorite}
-  />
-</ActionEntryButton>

src/routes/(fullscreen)/search/SearchBar.svelte

@@ -1,24 +0,0 @@
-<script lang="ts">
-  import IconArrowBack from "~icons/material-symbols/arrow-back";
-
-  interface Props {
-    value: string;
-  }
-
-  let { value = $bindable() }: Props = $props();
-</script>
-
-<div class={"sticky top-0 z-10 flex items-center gap-x-2 px-2 py-3 backdrop-blur-2xl"}>
-  <button
-    onclick={() => history.back()}
-    class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
-  >
-    <IconArrowBack class="text-2xl" />
-  </button>
-  <input
-    bind:value
-    type="text"
-    placeholder="검색"
-    class="mr-1 h-[2.3rem] min-w-0 flex-grow rounded-lg bg-gray-100 px-3 py-1.5 placeholder-gray-600 focus:outline-none"
-  />
-</div>

src/routes/(fullscreen)/search/SelectCategoryBottomSheet.svelte

@@ -1,54 +0,0 @@
-<script lang="ts">
-  import { BottomDiv, BottomSheet, Button, FullscreenDiv } from "$lib/components/atoms";
-  import { SubCategories } from "$lib/components/molecules";
-  import {
-    getCategoryInfo,
-    type LocalCategoryInfo,
-    type MaybeCategoryInfo,
-  } from "$lib/modules/filesystem";
-  import { masterKeyStore } from "$lib/stores";
-  import { HybridPromise } from "$lib/utils";
-
-  interface Props {
-    isOpen: boolean;
-    mode: "include" | "exclude";
-    onSelectCategoryClick: (category: LocalCategoryInfo) => void;
-  }
-
-  let { isOpen = $bindable(), mode, onSelectCategoryClick }: Props = $props();
-
-  let categoryInfo: MaybeCategoryInfo | undefined = $state();
-
-  $effect(() => {
-    if (isOpen) {
-      HybridPromise.resolve(getCategoryInfo("root", $masterKeyStore?.get(1)?.key!)).then(
-        (result) => (categoryInfo = result),
-      );
-    }
-  });
-</script>
-
-{#if categoryInfo?.exists}
-  <BottomSheet bind:isOpen class="flex flex-col">
-    <FullscreenDiv>
-      <SubCategories
-        class="py-4"
-        info={categoryInfo}
-        onSubCategoryClick={({ id }) =>
-          HybridPromise.resolve(getCategoryInfo(id, $masterKeyStore?.get(1)?.key!)).then(
-            (result) => (categoryInfo = result),
-          )}
-      />
-      {#if categoryInfo.id !== "root"}
-        <BottomDiv>
-          <Button
-            onclick={() => onSelectCategoryClick(categoryInfo as LocalCategoryInfo)}
-            class="w-full"
-          >
-            {categoryInfo.name} 카테고리 {mode === "include" ? "꼭 포함하기" : "제외하기"}
-          </Button>
-        </BottomDiv>
-      {/if}
-    </FullscreenDiv>
-  </BottomSheet>
-{/if}

src/routes/(fullscreen)/search/service.ts

@@ -1,44 +0,0 @@
-import {
-  getDirectoryInfo,
-  getFileInfo,
-  type LocalDirectoryInfo,
-  type FileInfo,
-  type LocalCategoryInfo,
-} from "$lib/modules/filesystem";
-import { HybridPromise } from "$lib/utils";
-import { trpc } from "$trpc/client";
-
-export interface SearchFilter {
-  ancestorId: DirectoryId;
-  inFavorites: boolean;
-  categories: { info: LocalCategoryInfo; type: "include" | "exclude" }[];
-}
-
-export interface SearchResult {
-  directories: LocalDirectoryInfo[];
-  files: FileInfo[];
-}
-
-export const requestSearch = async (filter: SearchFilter, masterKey: CryptoKey) => {
-  const { directories: directoriesRaw, files: filesRaw } = await trpc().search.search.query({
-    ancestor: filter.ancestorId,
-    inFavorites: filter.inFavorites,
-    includeCategories: filter.categories
-      .filter(({ type }) => type === "include")
-      .map(({ info }) => info.id),
-    excludeCategories: filter.categories
-      .filter(({ type }) => type === "exclude")
-      .map(({ info }) => info.id),
-  });
-  const [directories, files] = await HybridPromise.all([
-    HybridPromise.all(
-      directoriesRaw.map((directory) =>
-        getDirectoryInfo(directory.id, masterKey, { serverResponse: directory }),
-      ),
-    ),
-    HybridPromise.all(
-      filesRaw.map((file) => getFileInfo(file.id, masterKey, { serverResponse: file })),
-    ),
-  ]);
-  return { directories, files } as SearchResult;
-};

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

@@ -2,6 +2,6 @@ import { createCaller } from "$trpc/router.server";
 import type { PageServerLoad } from "./$types";
 
 export const load: PageServerLoad = async (event) => {
-  const favorites = await createCaller(event).favorites.get();
+  const files = await createCaller(event).file.listLegacy();
-  return { favorites };
+  return { files };
 };

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

@@ -0,0 +1,79 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+  import { goto } from "$app/navigation";
+  import { BottomDiv, Button, FullscreenDiv } from "$lib/components/atoms";
+  import { TopBar } from "$lib/components/molecules";
+  import { bulkGetFileInfo, type MaybeFileInfo } from "$lib/modules/filesystem";
+  import { masterKeyStore } from "$lib/stores";
+  import { sortEntries } from "$lib/utils";
+  import File from "./File.svelte";
+  import { getMigrationState, clearMigrationStates, 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 !== "completed"),
+  );
+
+  const migrateAllFiles = () => {
+    files.forEach(({ info }) => {
+      if (info.exists) {
+        requestFileMigration(info);
+      }
+    });
+  };
+
+  onMount(async () => {
+    fileInfos = sortEntries(
+      Array.from((await bulkGetFileInfo(data.files, $masterKeyStore?.get(1)?.key!)).values()),
+    );
+  });
+
+  $effect(() => clearMigrationStates);
+</script>
+
+<svelte:head>
+  <title>암호화 마이그레이션</title>
+</svelte:head>
+
+<TopBar title="암호화 마이그레이션" />
+<FullscreenDiv>
+  {#if files.length > 0}
+    <div class="space-y-4 pb-4">
+      <p class="break-keep text-gray-800">
+        이전 버전의 ArkVault에서 업로드된 {files.length}개 파일을 다시 암호화할 수 있어요.
+      </p>
+      <div class="space-y-2">
+        {#each files as { info, state } (info.id)}
+          {#if info.exists}
+            <File
+              {info}
+              {state}
+              onclick={({ id }) => goto(`/file/${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 +1,55 @@
+<script module lang="ts">
+  const subtexts = {
+    queued: "대기 중",
+    "download-pending": "다운로드를 기다리는 중",
+    downloading: "다운로드하는 중",
+    "encryption-pending": "암호화를 기다리는 중",
+    encrypting: "암호화하는 중",
+    "upload-pending": "업로드를 기다리는 중",
+    completed: "완료",
+    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 +1,107 @@
+import { limitFunction } from "p-limit";
+import { SvelteMap } from "svelte/reactivity";
+import { CHUNK_SIZE } from "$lib/constants";
+import type { FileInfo } from "$lib/modules/filesystem";
+import { Scheduler } from "$lib/modules/scheduler";
+import { uploadBlob } from "$lib/modules/upload";
+import { requestFileDownload } from "$lib/services/file";
+import { trpc } from "$trpc/client";
+
+export type MigrationStatus =
+  | "queued"
+  | "download-pending"
+  | "downloading"
+  | "encryption-pending"
+  | "encrypting"
+  | "upload-pending"
+  | "uploading"
+  | "completed"
+  | "error";
+
+export interface MigrationState {
+  status: MigrationStatus;
+  progress?: number;
+  rate?: number;
+}
+
+const scheduler = new Scheduler();
+const states = new SvelteMap<number, MigrationState>();
+
+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 === "completed" || state.status === "error") {
+      states.delete(id);
+    }
+  }
+};
+
+const uploadMigrationChunks = limitFunction(
+  async (state: MigrationState, fileId: number, fileBuffer: ArrayBuffer, dataKey: CryptoKey) => {
+    state.status = "uploading";
+
+    const { uploadId } = await trpc().upload.startMigrationUpload.mutate({
+      file: fileId,
+      chunks: Math.ceil(fileBuffer.byteLength / CHUNK_SIZE),
+    });
+
+    await uploadBlob(uploadId, new Blob([fileBuffer]), dataKey, {
+      onProgress(s) {
+        state.progress = s.progress;
+        state.rate = s.rateBps;
+      },
+    });
+
+    await trpc().upload.completeMigrationUpload.mutate({ uploadId });
+  },
+  { 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?.key;
+    if (!dataKey) {
+      throw new Error("Data key not available");
+    }
+
+    let fileBuffer: ArrayBuffer | undefined;
+
+    await scheduler.schedule(
+      async () => {
+        state.status = "download-pending";
+        state.status = "downloading";
+        fileBuffer = await requestFileDownload(fileInfo.id, dataKey, true);
+        return fileBuffer.byteLength;
+      },
+      async () => {
+        state.status = "encryption-pending";
+
+        await uploadMigrationChunks(state, fileInfo.id, fileBuffer!, dataKey);
+
+        state.status = "completed";
+      },
+    );
+  } catch (e) {
+    state.status = "error";
+    throw e;
+  }
+};

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

@@ -4,14 +4,13 @@
   import { BottomDiv, Button, FullscreenDiv } from "$lib/components/atoms";
   import { IconEntryButton, TopBar } from "$lib/components/molecules";
   import { deleteAllFileThumbnailCaches } from "$lib/modules/file";
-  import type { MaybeFileInfo } from "$lib/modules/filesystem";
+  import { bulkGetFileInfo, type MaybeFileInfo } from "$lib/modules/filesystem";
   import { masterKeyStore } from "$lib/stores";
   import { sortEntries } from "$lib/utils";
   import File from "./File.svelte";
   import {
     getThumbnailGenerationStatus,
     clearThumbnailGenerationStatuses,
-    requestMissingThumbnailFiles,
     requestThumbnailGeneration,
     type GenerationStatus,
   } from "./service";
@@ -43,7 +42,7 @@
 
   onMount(async () => {
     fileInfos = sortEntries(
-      await requestMissingThumbnailFiles(data.files, $masterKeyStore?.get(1)?.key!),
+      Array.from((await bulkGetFileInfo(data.files, $masterKeyStore?.get(1)?.key!)).values()),
     );
   });
 

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

@@ -3,6 +3,7 @@
     queued: "대기 중",
     "generation-pending": "준비 중",
     generating: "생성하는 중",
+    "upload-pending": "업로드를 기다리는 중",
     uploading: "업로드하는 중",
     error: "실패",
   } as const;

src/routes/(fullscreen)/settings/thumbnail/service.ts

@@ -1,16 +1,17 @@
 import { limitFunction } from "p-limit";
 import { SvelteMap } from "svelte/reactivity";
+import { encryptData } from "$lib/modules/crypto";
 import { storeFileThumbnailCache } from "$lib/modules/file";
-import { getFileInfo, type FileInfo } from "$lib/modules/filesystem";
+import type { FileInfo } from "$lib/modules/filesystem";
-import { generateThumbnail } from "$lib/modules/thumbnail";
+import { Scheduler } from "$lib/modules/scheduler";
+import { generateThumbnail as doGenerateThumbnail } from "$lib/modules/thumbnail";
 import { requestFileDownload, requestFileThumbnailUpload } from "$lib/services/file";
-import { HybridPromise, Scheduler } from "$lib/utils";
-import type { RouterOutputs } from "$trpc/router.server";
 
 export type GenerationStatus =
   | "queued"
   | "generation-pending"
   | "generating"
+  | "upload-pending"
   | "uploading"
   | "uploaded"
   | "error";
@@ -30,37 +31,33 @@ export const clearThumbnailGenerationStatuses = () => {
   }
 };
 
-export const requestMissingThumbnailFiles = async (
+const generateThumbnail = limitFunction(
-  filesRaw: RouterOutputs["file"]["listWithoutThumbnail"],
+  async (fileId: number, fileBuffer: ArrayBuffer, fileType: string, dataKey: CryptoKey) => {
-  masterKey: CryptoKey,
+    statuses.set(fileId, "generating");
-) => {
+
-  const files = await HybridPromise.all(
+    const thumbnail = await doGenerateThumbnail(fileBuffer, fileType);
-    filesRaw.map((file) => getFileInfo(file.id, masterKey, { serverResponse: file })),
+    if (!thumbnail) return null;
-  );
+
-  return files;
+    const thumbnailBuffer = await thumbnail.arrayBuffer();
-};
+    const thumbnailEncrypted = await encryptData(thumbnailBuffer, dataKey);
+    statuses.set(fileId, "upload-pending");
+    return { plaintext: thumbnailBuffer, ...thumbnailEncrypted };
+  },
+  { concurrency: 4 },
+);
 
 const requestThumbnailUpload = limitFunction(
-  async (fileInfo: FileInfo, fileBuffer: ArrayBuffer) => {
+  async (
-    statuses.set(fileInfo.id, "generating");
+    fileId: number,
+    dataKeyVersion: Date,
+    thumbnail: { plaintext: ArrayBuffer; ciphertext: ArrayBuffer; iv: ArrayBuffer },
+  ) => {
+    statuses.set(fileId, "uploading");
 
-    const thumbnail = await generateThumbnail(
+    const res = await requestFileThumbnailUpload(fileId, dataKeyVersion, thumbnail);
-      new Blob([fileBuffer], { type: fileInfo.contentType }),
+    if (!res.ok) return false;
-    );
+    statuses.set(fileId, "uploaded");
-    if (!thumbnail) return false;
+    storeFileThumbnailCache(fileId, thumbnail.plaintext); // Intended
-
-    statuses.set(fileInfo.id, "uploading");
-
-    const res = await requestFileThumbnailUpload(
-      fileInfo.id,
-      thumbnail,
-      fileInfo.dataKey?.key!,
-      fileInfo.dataKey?.version!,
-    );
-    if (!res) return false;
-
-    statuses.set(fileInfo.id, "uploaded");
-    void thumbnail.arrayBuffer().then((buffer) => storeFileThumbnailCache(fileInfo.id, buffer));
     return true;
   },
   { concurrency: 4 },
@@ -84,7 +81,16 @@ export const requestThumbnailGeneration = async (fileInfo: FileInfo) => {
         return file.byteLength;
       },
       async () => {
-        if (!(await requestThumbnailUpload(fileInfo, file!))) {
+        const thumbnail = await generateThumbnail(
+          fileInfo.id,
+          file!,
+          fileInfo.contentType,
+          fileInfo.dataKey?.key!,
+        );
+        if (
+          !thumbnail ||
+          !(await requestThumbnailUpload(fileInfo.id, fileInfo.dataKey?.version!, thumbnail))
+        ) {
           statuses.set(fileInfo.id, "error");
         }
       },

src/routes/(main)/BottomBar.svelte

@@ -12,7 +12,7 @@
   const pages = [
     { path: "/home", label: "홈", icon: IconHome },
     { path: "/directory", label: "파일", icon: IconFolder },
-    { path: "/favorites", label: "즐겨찾기", icon: IconFavorite },
+    { path: "/favorite", label: "즐겨찾기", icon: IconFavorite },
     { path: "/category", label: "카테고리", icon: IconCategory },
     { path: "/menu", label: "전체", icon: IconMenu },
   ];

src/routes/(main)/category/[[id]]/+page.svelte

@@ -76,7 +76,7 @@
 <div class="min-h-full bg-gray-100 pb-[5.5em]">
   {#if info?.exists}
     <div class="space-y-4">
-      <div class="space-y-2 bg-white p-4">
+      <div class="space-y-4 bg-white p-4">
         {#if info.id !== "root"}
           <p class="text-lg font-bold text-gray-800">하위 카테고리</p>
         {/if}
@@ -84,7 +84,6 @@
           {info}
           onSubCategoryClick={({ id }) => goto(`/category/${id}`)}
           onSubCategoryCreateClick={() => (isCategoryCreateModalOpen = true)}
-          subCategoryCreatePosition="bottom"
           onSubCategoryMenuClick={(subCategory) => {
             context.selectedCategory = subCategory;
             isCategoryMenuBottomSheetOpen = true;
@@ -93,19 +92,14 @@
         />
       </div>
       {#if info.id !== "root"}
-        <div class="space-y-2 bg-white p-4">
+        <div class="space-y-4 bg-white p-4">
           <div class="flex items-center justify-between">
             <p class="text-lg font-bold text-gray-800">파일</p>
             <CheckBox bind:checked={info.isFileRecursive}>
               <p class="font-medium">하위 카테고리의 파일</p>
             </CheckBox>
           </div>
-          <RowVirtualizer
+          <RowVirtualizer count={files.length} itemHeight={() => 48} itemGap={4}>
-            count={files.length}
-            getItemKey={(index) => files[index]!.details.id}
-            estimateItemHeight={() => 48}
-            itemGap={4}
-          >
             {#snippet item(index)}
               {@const { details } = files[index]!}
               <File

src/routes/(main)/category/[[id]]/File.svelte

@@ -3,7 +3,6 @@
   import { DirectoryEntryLabel } from "$lib/components/molecules";
   import { getFileThumbnail } from "$lib/modules/file";
   import type { CategoryFileInfo } from "$lib/modules/filesystem";
-  import { formatDateTime } from "$lib/utils";
   import type { SelectedFile } from "./service.svelte";
 
   import IconClose from "~icons/material-symbols/close";
@@ -20,16 +19,10 @@
 </script>
 
 <ActionEntryButton
-  class="h-14"
+  class="h-12"
   onclick={() => onclick(info)}
   actionButtonIcon={onRemoveClick && IconClose}
   onActionButtonClick={() => onRemoveClick?.(info)}
 >
-  <DirectoryEntryLabel
+  <DirectoryEntryLabel type="file" thumbnail={$thumbnail} name={info.name} />
-    type="file"
-    thumbnail={$thumbnail}
-    name={info.name}
-    subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
-    isFavorite={info.isFavorite}
-  />
 </ActionEntryButton>

src/routes/(main)/directory/[[id]]/+page.svelte

@@ -23,10 +23,8 @@
     requestFileUpload,
     requestEntryRename,
     requestEntryDeletion,
-    requestFavoriteToggle,
   } from "./service.svelte";
 
-  import IconSearch from "~icons/material-symbols/search";
   import IconAdd from "~icons/material-symbols/add";
 
   let { data } = $props();
@@ -45,19 +43,8 @@
   let isEntryRenameModalOpen = $state(false);
   let isEntryDeleteModalOpen = $state(false);
 
-  let showParentEntry = $derived(
+  let isFromFilePage = $derived(page.url.searchParams.get("from") === "file");
-    ["file", "search", "favorite"].includes(page.url.searchParams.get("from") ?? ""),
+  let showTopBar = $derived(data.id !== "root" || isFromFilePage);
-  );
-  let showBackButton = $derived(data.id !== "root" || showParentEntry);
-
-  const onSearchClick = async () => {
-    const params = new URLSearchParams();
-    if (data.id !== "root") {
-      params.set("directoryId", data.id.toString());
-    }
-    const query = params.toString();
-    await goto(`/search${query ? `?${query}` : ""}`);
-  };
 
   const uploadFile = () => {
     const files = fileInput?.files;
@@ -103,22 +90,17 @@
 </script>
 
 <svelte:head>
-  <title>내 파일</title>
+  <title>파일</title>
 </svelte:head>
 
 <input bind:this={fileInput} onchange={uploadFile} type="file" multiple class="hidden" />
 
 <div class="flex h-full flex-col">
-  <TopBar title={info?.name ?? "내 파일"} {showBackButton} class="flex-shrink-0">
+  {#if showTopBar}
-    <button
+    <TopBar title={info?.name} class="flex-shrink-0" />
-      onclick={onSearchClick}
+  {/if}
-      class="w-[2.3rem] flex-shrink-0 rounded-full p-1 active:bg-black active:bg-opacity-[0.04]"
-    >
-      <IconSearch class="text-2xl" />
-    </button>
-  </TopBar>
   {#if info?.exists}
-    <div class="flex flex-grow flex-col px-4 pb-4">
+    <div class={["flex flex-grow flex-col px-4 pb-4", !showTopBar && "pt-4"]}>
       <div class="flex gap-x-2">
         <UploadStatusCard onclick={() => goto("/file/uploads")} />
         <DownloadStatusCard onclick={() => goto("/file/downloads")} />
@@ -131,12 +113,12 @@
             context.selectedEntry = entry;
             isEntryMenuBottomSheetOpen = true;
           }}
-          showParentEntry={showParentEntry && data.id !== "root"}
+          showParentEntry={isFromFilePage && info.parentId !== undefined}
           onParentClick={() =>
             goto(
               info!.parentId === "root"
-                ? `/directory?from=${page.url.searchParams.get("from")}`
+                ? "/directory?from=file"
-                : `/directory/${info!.parentId}?from=${page.url.searchParams.get("from")}`,
+                : `/directory/${info!.parentId}?from=file`,
             )}
         />
       {/key}
@@ -195,12 +177,6 @@
     isEntryMenuBottomSheetOpen = false;
     isEntryDeleteModalOpen = true;
   }}
-  onFavoriteClick={async () => {
-    if (await requestFavoriteToggle(context.selectedEntry!)) {
-      isEntryMenuBottomSheetOpen = false;
-      void getDirectoryInfo(data.id, $masterKeyStore?.get(1)?.key!); // TODO: FIXME
-    }
-  }}
 />
 <EntryRenameModal
   bind:isOpen={isEntryRenameModalOpen}

src/routes/(main)/directory/[[id]]/DirectoryEntries/DirectoryEntries.svelte

@@ -46,16 +46,7 @@
 </script>
 
 {#if entries.length > 0}
-  <RowVirtualizer
+  <RowVirtualizer count={entries.length} itemHeight={() => 56} itemGap={4} class="pb-[4.5rem]">
-    count={entries.length}
-    getItemKey={(index) =>
-      entries[index]!.type !== "parent"
-        ? `${entries[index]!.type}-${entries[index]!.details.id}`
-        : entries[index]!.type!}
-    estimateItemHeight={() => 56}
-    itemGap={4}
-    class="pb-[4.5rem]"
-  >
     {#snippet item(index)}
       {@const entry = entries[index]!}
       {#if entry.type === "parent"}

src/routes/(main)/directory/[[id]]/DirectoryEntries/File.svelte

@@ -19,13 +19,7 @@
   let thumbnail = $derived(getFileThumbnail(info));
 
   const action = (callback: typeof onclick) => {
-    callback({
+    callback({ type: "file", id: info.id, dataKey: info.dataKey, name: info.name });
-      type: "file",
-      id: info.id,
-      dataKey: info.dataKey,
-      name: info.name,
-      isFavorite: info.isFavorite,
-    });
   };
 </script>
 
@@ -40,6 +34,5 @@
     thumbnail={$thumbnail}
     name={info.name}
     subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
-    isFavorite={info.isFavorite}
   />
 </ActionEntryButton>

src/routes/(main)/directory/[[id]]/DirectoryEntries/SubDirectory.svelte

@@ -15,13 +15,7 @@
   let { info, onclick, onOpenMenuClick }: Props = $props();
 
   const action = (callback: typeof onclick) => {
-    callback({
+    callback({ type: "directory", id: info.id, dataKey: info.dataKey, name: info.name });
-      type: "directory",
-      id: info.id,
-      dataKey: info.dataKey,
-      name: info.name,
-      isFavorite: info.isFavorite,
-    });
   };
 </script>
 
@@ -31,5 +25,5 @@
   actionButtonIcon={IconMoreVert}
   onActionButtonClick={() => action(onOpenMenuClick)}
 >
-  <DirectoryEntryLabel type="directory" name={info.name} isFavorite={info.isFavorite} />
+  <DirectoryEntryLabel type="directory" name={info.name} />
 </ActionEntryButton>

src/routes/(main)/directory/[[id]]/EntryMenuBottomSheet.svelte

@@ -3,35 +3,24 @@
   import { DirectoryEntryLabel, IconEntryButton } from "$lib/components/molecules";
   import { useContext } from "./service.svelte";
 
-  import IconFavorite from "~icons/material-symbols/favorite";
-  import IconFavoriteBorder from "~icons/material-symbols/favorite-outline";
   import IconEdit from "~icons/material-symbols/edit";
   import IconDelete from "~icons/material-symbols/delete";
 
   interface Props {
     isOpen: boolean;
     onDeleteClick: () => void;
-    onFavoriteClick: () => void;
     onRenameClick: () => void;
   }
 
-  let { isOpen = $bindable(), onDeleteClick, onFavoriteClick, onRenameClick }: Props = $props();
+  let { isOpen = $bindable(), onDeleteClick, onRenameClick }: Props = $props();
   let context = useContext();
 </script>
 
 {#if context.selectedEntry}
-  {@const { name, type, isFavorite } = context.selectedEntry}
+  {@const { name, type } = context.selectedEntry}
   <BottomSheet bind:isOpen class="p-4">
     <DirectoryEntryLabel {type} {name} class="h-12 p-2" textClass="!font-semibold" />
     <div class="my-2 h-px w-full bg-gray-200"></div>
-    <IconEntryButton
-      icon={isFavorite ? IconFavorite : IconFavoriteBorder}
-      onclick={onFavoriteClick}
-      class="h-12 w-full"
-      iconClass={isFavorite ? "text-red-500" : ""}
-    >
-      {isFavorite ? "즐겨찾기에서 해제하기" : "즐겨찾기에 추가하기"}
-    </IconEntryButton>
     <IconEntryButton icon={IconEdit} onclick={onRenameClick} class="h-12 w-full">
       이름 바꾸기
     </IconEntryButton>

src/routes/(main)/directory/[[id]]/service.svelte.ts

@@ -17,7 +17,6 @@ export interface SelectedEntry {
   id: number;
   dataKey: DataKey | undefined;
   name: string;
-  isFavorite: boolean;
 }
 
 export const createContext = () => {
@@ -150,25 +149,3 @@ export const requestEntryDeletion = async (entry: SelectedEntry) => {
     return false;
   }
 };
-
-export const requestFavoriteToggle = async (entry: SelectedEntry) => {
-  try {
-    if (entry.type === "directory") {
-      if (entry.isFavorite) {
-        await trpc().favorites.removeDirectory.mutate({ id: entry.id });
-      } else {
-        await trpc().favorites.addDirectory.mutate({ id: entry.id });
-      }
-    } else {
-      if (entry.isFavorite) {
-        await trpc().favorites.removeFile.mutate({ id: entry.id });
-      } else {
-        await trpc().favorites.addFile.mutate({ id: entry.id });
-      }
-    }
-    return true;
-  } catch {
-    // TODO: Error Handling
-    return false;
-  }
-};

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

@@ -0,0 +1,3 @@
+<div class="flex h-full items-center justify-center p-4">
+  <p class="text-gray-500">아직 개발 중이에요.</p>
+</div>

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

@@ -1,93 +0,0 @@
-<script lang="ts">
-  import { onMount } from "svelte";
-  import { goto } from "$app/navigation";
-  import { RowVirtualizer } from "$lib/components/atoms";
-  import { TopBar } from "$lib/components/molecules";
-  import { masterKeyStore } from "$lib/stores";
-  import Directory from "./Directory.svelte";
-  import File from "./File.svelte";
-  import { requestFavoriteEntries, requestRemoveFavorite, type FavoriteEntry } from "./service";
-
-  import IconSearch from "~icons/material-symbols/search";
-
-  let { data } = $props();
-
-  let entries: FavoriteEntry[] = $state([]);
-  let isLoading = $state(true);
-
-  onMount(async () => {
-    const masterKey = $masterKeyStore?.get(1)?.key;
-    if (masterKey) {
-      entries = await requestFavoriteEntries(data.favorites, masterKey);
-    }
-    isLoading = false;
-  });
-
-  const handleRemove = async (entry: FavoriteEntry) => {
-    if (await requestRemoveFavorite(entry.type, entry.details.id)) {
-      entries = entries.filter(
-        (e) => !(e.type === entry.type && e.details.id === entry.details.id),
-      );
-    }
-  };
-
-  const handleClick = (entry: FavoriteEntry) => {
-    goto(
-      entry.type === "file"
-        ? `/file/${entry.details.id}?from=favorite`
-        : `/directory/${entry.details.id}?from=favorite`,
-    );
-  };
-</script>
-
-<svelte:head>
-  <title>즐겨찾기</title>
-</svelte:head>
-
-<div class="flex h-full flex-col">
-  <TopBar title="즐겨찾기" showBackButton={false}>
-    <button
-      onclick={() => goto("/search?from=favorites")}
-      class="w-full rounded-full p-1 text-2xl active:bg-black active:bg-opacity-[0.04]"
-    >
-      <IconSearch />
-    </button>
-  </TopBar>
-  <div class="flex flex-grow flex-col px-4 pb-4">
-    {#if entries.length > 0}
-      <RowVirtualizer
-        count={entries.length}
-        getItemKey={(index) => `${entries[index]!.type}-${entries[index]!.details.id}`}
-        estimateItemHeight={() => 56}
-        itemGap={4}
-      >
-        {#snippet item(index)}
-          {@const entry = entries[index]!}
-          {#if entry.type === "directory"}
-            <Directory
-              info={entry.details}
-              onclick={() => handleClick(entry)}
-              onRemoveClick={() => handleRemove(entry)}
-            />
-          {:else}
-            <File
-              info={entry.details}
-              onclick={() => handleClick(entry)}
-              onRemoveClick={() => handleRemove(entry)}
-            />
-          {/if}
-        {/snippet}
-      </RowVirtualizer>
-    {:else}
-      <div class="flex flex-grow items-center justify-center">
-        <p class="text-gray-500">
-          {#if isLoading}
-            즐겨찾기 목록을 불러오고 있어요.
-          {:else}
-            즐겨찾기한 항목이 없어요.
-          {/if}
-        </p>
-      </div>
-    {/if}
-  </div>
-</div>

src/routes/(main)/favorites/Directory.svelte

@@ -1,24 +0,0 @@
-<script lang="ts">
-  import { ActionEntryButton } from "$lib/components/atoms";
-  import { DirectoryEntryLabel } from "$lib/components/molecules";
-  import type { SubDirectoryInfo } from "$lib/modules/filesystem";
-
-  import IconClose from "~icons/material-symbols/close";
-
-  interface Props {
-    info: SubDirectoryInfo;
-    onclick: () => void;
-    onRemoveClick: () => void;
-  }
-
-  let { info, onclick, onRemoveClick }: Props = $props();
-</script>
-
-<ActionEntryButton
-  class="h-14"
-  {onclick}
-  actionButtonIcon={IconClose}
-  onActionButtonClick={onRemoveClick}
->
-  <DirectoryEntryLabel type="directory" name={info.name} isFavorite />
-</ActionEntryButton>

src/routes/(main)/favorites/File.svelte

@@ -1,34 +0,0 @@
-<script lang="ts">
-  import { ActionEntryButton } from "$lib/components/atoms";
-  import { DirectoryEntryLabel } from "$lib/components/molecules";
-  import { getFileThumbnail } from "$lib/modules/file";
-  import type { SummarizedFileInfo } from "$lib/modules/filesystem";
-  import { formatDateTime } from "$lib/utils";
-
-  import IconClose from "~icons/material-symbols/close";
-
-  interface Props {
-    info: SummarizedFileInfo;
-    onclick: () => void;
-    onRemoveClick: () => void;
-  }
-
-  let { info, onclick, onRemoveClick }: Props = $props();
-
-  let thumbnail = $derived(getFileThumbnail(info));
-</script>
-
-<ActionEntryButton
-  class="h-14"
-  {onclick}
-  actionButtonIcon={IconClose}
-  onActionButtonClick={onRemoveClick}
->
-  <DirectoryEntryLabel
-    type="file"
-    thumbnail={$thumbnail}
-    name={info.name}
-    subtext={formatDateTime(info.createdAt ?? info.lastModifiedAt)}
-    isFavorite
-  />
-</ActionEntryButton>

src/routes/(main)/favorites/service.ts

@@ -1,68 +0,0 @@
-import {
-  getDirectoryInfo,
-  getFileInfo,
-  type SummarizedFileInfo,
-  type SubDirectoryInfo,
-  type LocalDirectoryInfo,
-} from "$lib/modules/filesystem";
-import { HybridPromise, sortEntries } from "$lib/utils";
-import { trpc } from "$trpc/client";
-import type { RouterOutputs } from "$trpc/router.server";
-
-export type FavoriteEntry =
-  | { type: "directory"; name: string; details: SubDirectoryInfo }
-  | { type: "file"; name: string; details: SummarizedFileInfo };
-
-export const requestFavoriteEntries = async (
-  favorites: RouterOutputs["favorites"]["get"],
-  masterKey: CryptoKey,
-) => {
-  const [directories, files] = await HybridPromise.all([
-    HybridPromise.all(
-      favorites.directories.map((directory) =>
-        getDirectoryInfo(directory.id, masterKey, {
-          serverResponse: { ...directory, isFavorite: true },
-        }),
-      ),
-    ),
-    HybridPromise.all(
-      favorites.files.map((file) =>
-        getFileInfo(file.id, masterKey, { serverResponse: { ...file, isFavorite: true } }),
-      ),
-    ),
-  ]);
-  return [
-    ...sortEntries(
-      directories.map(
-        (directory): FavoriteEntry => ({
-          type: "directory",
-          name: directory.name!,
-          details: directory as LocalDirectoryInfo,
-        }),
-      ),
-    ),
-    ...sortEntries(
-      files.map(
-        (file): FavoriteEntry => ({
-          type: "file",
-          name: file.name!,
-          details: file as SummarizedFileInfo,
-        }),
-      ),
-    ),
-  ];
-};
-
-export const requestRemoveFavorite = async (type: "file" | "directory", id: number) => {
-  try {
-    if (type === "directory") {
-      await trpc().favorites.removeDirectory.mutate({ id });
-    } else {
-      await trpc().favorites.removeFile.mutate({ id });
-    }
-    return true;
-  } catch {
-    // TODO: Error Handling
-    return false;
-  }
-};

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";
 
@@ -41,6 +42,13 @@
     >
       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>

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

@@ -1,7 +1,8 @@
 import { error, text } from "@sveltejs/kit";
 import { Readable } from "stream";
-import type { ReadableStream } from "stream/web";
+import { 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";
@@ -12,13 +13,16 @@ export const POST: RequestHandler = async ({ locals, params, request }) => {
   const zodRes = z
     .object({
       id: z.uuidv4(),
-      index: z.coerce.number().int().positive(),
+      index: z.coerce.number().int().nonnegative(),
     })
     .safeParse(params);
   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/service-worker/constants.ts

@@ -1 +0,0 @@
-export * from "../lib/constants";