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fix multiple password prompt bug

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This commit is contained in:
hzrd149 2024-03-05 16:34:30 +00:00
parent e053e5dc0c
commit b4acac74df
1 changed files with 26 additions and 13 deletions
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39
src/services/signing.tsx
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@ -8,7 +8,7 @@ import amberSignerService from "./amber-signer";
import nostrConnectService from "./nostr-connect";
import { hexToBytes } from "@noble/hashes/utils";
const decryptedKeys = new Map<string, string>();
const decryptedKeys = new Map<string, string | Promise<string>>();
class SigningService {
private async getSalt() {
@ -28,7 +28,10 @@ class SigningService {
);
if (!password) throw new Error("Password required");
const enc = new TextEncoder();
return window.crypto.subtle.importKey("raw", enc.encode(password), "PBKDF2", false, ["deriveBits", "deriveKey"]);
return await window.crypto.subtle.importKey("raw", enc.encode(password), "PBKDF2", false, [
"deriveBits",
"deriveKey",
]);
}
private async getEncryptionKey() {
const salt = await this.getSalt();
@ -67,19 +70,29 @@ class SigningService {
if (account.type !== "local") throw new Error("Account dose not have a secret key");
const cache = decryptedKeys.get(account.pubkey);
if (cache) return cache;
if (cache) return await cache;
const key = await this.getEncryptionKey();
const decode = new TextDecoder();
// create a promise to decrypt the key
const p = (async () => {
const key = await this.getEncryptionKey();
const decode = new TextDecoder();
try {
const decrypted = await window.crypto.subtle.decrypt({ name: "AES-GCM", iv: account.iv }, key, account.secKey);
const secKey = decode.decode(decrypted);
decryptedKeys.set(account.pubkey, secKey);
return secKey;
} catch (e) {
throw new Error("Failed to decrypt secret key");
}
try {
const decrypted = await window.crypto.subtle.decrypt({ name: "AES-GCM", iv: account.iv }, key, account.secKey);
const secKey = decode.decode(decrypted);
decryptedKeys.set(account.pubkey, secKey);
return secKey;
} catch (e) {
console.log(e);
throw new Error("Failed to decrypt secret key");
}
})();
// cache the promise so its only called once
decryptedKeys.set(account.pubkey, p);
// await, return key
return await p;
}
async requestSignature(draft: DraftNostrEvent, account: Account) {