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IV를 암호화된 파일 및 썸네일 앞에 합쳐서 전송하도록 변경

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static
2026-01-11 00:29:59 +09:00
parent 5d130204a6
commit b9e6f17b0c
13 changed files with 161 additions and 76 deletions
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17
src/lib/modules/file/download.svelte.ts
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@@ -62,15 +62,14 @@ const requestFileDownload = limitFunction(
);
const decryptFile = limitFunction(
async (
state: FileDownloadState,
fileEncrypted: ArrayBuffer,
fileEncryptedIv: string,
dataKey: CryptoKey,
) => {
async (state: FileDownloadState, fileEncrypted: ArrayBuffer, dataKey: CryptoKey) => {
state.status = "decrypting";
const fileBuffer = await decryptData(fileEncrypted, fileEncryptedIv, dataKey);
const fileBuffer = await decryptData(
fileEncrypted.slice(12),
fileEncrypted.slice(0, 12),
dataKey,
);
state.status = "decrypted";
state.result = fileBuffer;
@@ -79,7 +78,7 @@ const decryptFile = limitFunction(
{ concurrency: 4 },
);
export const downloadFile = async (id: number, fileEncryptedIv: string, dataKey: CryptoKey) => {
export const downloadFile = async (id: number, dataKey: CryptoKey) => {
downloadingFiles.push({
id,
status: "download-pending",
@@ -87,7 +86,7 @@ export const downloadFile = async (id: number, fileEncryptedIv: string, dataKey:
const state = downloadingFiles.at(-1)!;
try {
return await decryptFile(state, await requestFileDownload(state, id), fileEncryptedIv, dataKey);
return await decryptFile(state, await requestFileDownload(state, id), dataKey);
} catch (e) {
state.status = "error";
throw e;