duskflower/signal-decrypt-backup-wasm
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fix: chunked processing, concat sql statements with parameters

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This commit is contained in:
Samuel 2024-12-24 14:20:47 +01:00
parent b3e3eb7270
commit 55e33a87b1
5 changed files with 231 additions and 292 deletions
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37
test/dist/index.js vendored
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@ -29,7 +29,7 @@ export async function decryptBackup(file, passphrase, progressCallback) {
console.info(`${percent}% done`);
}
console.log(`Processing chunk at offset ${offset}`);
// console.log(`Processing chunk at offset ${offset}`);
const chunk = file.slice(offset, offset + chunkSize);
const arrayBuffer = await chunk.arrayBuffer();
const uint8Array = new Uint8Array(arrayBuffer);
@ -47,19 +47,18 @@ export async function decryptBackup(file, passphrase, progressCallback) {
}
offset += chunkSize;
console.log(`Completed chunk, new offset: ${offset}`);
if (performance.memory) {
const memoryInfo = performance.memory;
console.log(`Total JS Heap Size: ${memoryInfo.totalJSHeapSize} bytes`);
console.log(`Used JS Heap Size: ${memoryInfo.usedJSHeapSize} bytes`);
console.log(`JS Heap Size Limit: ${memoryInfo.jsHeapSizeLimit} bytes`);
} else {
console.log("Memory information is not available in this environment.");
}
// console.log(`Completed chunk, new offset: ${offset}`);
// if (performance.memory) {
// const memoryInfo = performance.memory;
// console.log(`Total JS Heap Size: ${memoryInfo.totalJSHeapSize} bytes`);
// console.log(`Used JS Heap Size: ${memoryInfo.usedJSHeapSize} bytes`);
// console.log(`JS Heap Size Limit: ${memoryInfo.jsHeapSizeLimit} bytes`);
// } else {
// console.log("Memory information is not available in this environment.");
// }
}
console.log("All chunks processed, finishing up");
console.log(window.performance.measureUserAgentSpecificMemory());
// console.log("All chunks processed, finishing up");
return decryptor.finish();
} catch (e) {
console.error("Decryption failed:", e);
@ -71,13 +70,15 @@ async function decrypt(file, passphrase) {
try {
const result = await decryptBackup(file, passphrase);
console.log("Database bytes length:", result.databaseBytes.length);
console.log("Preferences:", result.preferences);
console.log("Key values:", result.keyValues);
console.log(result, result.database_bytes);
// Example: Convert database bytes to SQL statements
const sqlStatements = new TextDecoder().decode(result.databaseBytes);
console.log("SQL statements:", sqlStatements);
// console.log("Database bytes length:", result.databaseBytes.length);
console.log(
"Database bytes as string (partly)",
new TextDecoder().decode(result.database_bytes.slice(0, 1024 * 50)),
);
// console.log("Preferences:", result.preferences);
// console.log("Key values:", result.keyValues);
} catch (error) {
console.error("Decryption failed:", error);
}