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bitwarden-estensione-browser
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Encrypt messages and verify timestamp.

This commit is contained in:
Hinton 2020-10-12 21:18:47 +02:00
parent 894d245361
commit a77cca82c8
1 changed files with 16 additions and 6 deletions
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22
src/background/nativeMessaging.background.ts
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@ -25,13 +25,16 @@ export class NativeMessagingBackground {
});
}
send(message: object) {
async send(message: any) {
// If not connected, try to connect
if (!this.connected) {
this.connect();
}
this.port.postMessage(message);
message.timestamp = Date.now();
const encrypted = await this.cryptoService.encrypt(JSON.stringify(message));
this.port.postMessage(encrypted);
}
await(): Promise<any> {
@ -40,14 +43,21 @@ export class NativeMessagingBackground {
});
}
private async onMessage(msg: any) {
switch(msg.command) {
private async onMessage(rawMessage: any) {
const message = JSON.parse(await this.cryptoService.decryptToUtf8(rawMessage));
if (Math.abs(message.timestamp - Date.now()) > 10*1000) {
console.error("MESSAGE IS TO OLD");
return;
}
switch(message.command) {
case 'biometricUnlock': {
await this.storageService.remove(ConstantsService.biometricAwaitingAcceptance);
const enabled = await this.storageService.get(ConstantsService.biometricUnlockKey);
if (enabled === null || enabled === false) {
if (msg.response === 'unlocked') {
if (message.response === 'unlocked') {
await this.storageService.save(ConstantsService.biometricUnlockKey, true);
}
@ -62,7 +72,7 @@ export class NativeMessagingBackground {
}
if (this.resolver) {
this.resolver(msg);
this.resolver(message);
}
}
}