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static
2026-01-12 20:50:19 +09:00
parent 00b9858db7
commit a4912c8952
21 changed files with 132 additions and 180 deletions
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4
src/lib/modules/file/download.svelte.ts
View File

@@ -1,6 +1,6 @@
import axios from "axios";
import { limitFunction } from "p-limit";
import { CHUNK_SIZE, ENCRYPTION_OVERHEAD } from "$lib/constants";
import { ENCRYPTED_CHUNK_SIZE } from "$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 : CHUNK_SIZE + ENCRYPTION_OVERHEAD,
isLegacy ? fileEncrypted.byteLength : ENCRYPTED_CHUNK_SIZE,
dataKey,
);
} catch (e) {

9
src/lib/modules/file/thumbnail.ts
View File

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

5
src/lib/modules/file/upload.svelte.ts
View File

@@ -58,8 +58,7 @@ const requestDuplicateFileScan = limitFunction(
) => {
state.status = "encryption-pending";
const hmacResult = await signMessageHmac(file, hmacSecret.secret);
const fileSigned = encodeToBase64(hmacResult);
const fileSigned = encodeToBase64(await signMessageHmac(file, hmacSecret.secret));
const files = await trpc().file.listByHash.query({
hskVersion: hmacSecret.version,
contentHmac: fileSigned,
@@ -171,7 +170,7 @@ const requestFileUpload = limitFunction(
await uploadBlob(uploadId, file, dataKey, {
onProgress(s) {
state.progress = s.progress;
state.rate = s.rateBps;
state.rate = s.rate;
},
});