duskflower/signal-decrypt-backup-wasm
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feat: move progress reporting to rust side

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This commit is contained in:
Samuel 2024-12-25 13:30:23 +01:00
parent 6f477f9cbc
commit 5e354fc7ae
2 changed files with 158 additions and 105 deletions
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20
test/dist/index.js vendored
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@ -14,21 +14,17 @@ async function initialize() {
export async function decryptBackup(file, passphrase, progressCallback) {
await initialize();
console.log("Starting decryption of file size:", file.size);
const fileSize = file.size;
console.log("Starting decryption of file size:", fileSize);
const decryptor = new BackupDecryptor();
decryptor.set_progress_callback(fileSize, (percentage) =>
console.info(`${percentage}% done`),
);
const chunkSize = 1024 * 1024 * 40; // 40MB chunks
let offset = 0;
let percent;
try {
while (offset < file.size) {
const newPercent = Math.round((100 / file.size) * offset);
if (newPercent !== percent) {
percent = newPercent;
console.info(`${percent}% done`);
}
// console.log(`Processing chunk at offset ${offset}`);
const chunk = file.slice(offset, offset + chunkSize);
const arrayBuffer = await chunk.arrayBuffer();
@ -59,7 +55,11 @@ export async function decryptBackup(file, passphrase, progressCallback) {
}
// console.log("All chunks processed, finishing up");
return decryptor.finish();
const result = decryptor.finish();
decryptor.free();
return result;
} catch (e) {
console.error("Decryption failed:", e);
throw e;