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Do not attempt to decrypt other's messages

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This commit is contained in:
Franck Royer 2021-06-29 12:46:42 +10:00
parent 6921242877
commit 5661c7d1ec
No known key found for this signature in database
GPG Key ID: A82ED75A8DFC50A4
3 changed files with 23 additions and 4 deletions
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9
examples/eth-dm/src/App.tsx
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@ -26,6 +26,7 @@ function App() {
const [publicKeyMsg, setPublicKeyMsg] = useState<PublicKeyMessage>(); const [publicKeyMsg, setPublicKeyMsg] = useState<PublicKeyMessage>();
const [publicKeys, setPublicKeys] = useState<Map<string, string>>(new Map()); const [publicKeys, setPublicKeys] = useState<Map<string, string>>(new Map());
const [messages, setMessages] = useState<Message[]>([]); const [messages, setMessages] = useState<Message[]>([]);
const [address, setAddress] = useState<string>();
useEffect(() => { useEffect(() => {
if (provider) return; if (provider) return;
@ -38,6 +39,13 @@ function App() {
} }
}, [provider]); }, [provider]);
useEffect(() => {
provider
?.getSigner()
.getAddress()
.then((address) => setAddress(address));
});
const broadcastPublicKey = () => { const broadcastPublicKey = () => {
if (!ethDmKeyPair) return; if (!ethDmKeyPair) return;
if (!provider) return; if (!provider) return;
@ -72,6 +80,7 @@ function App() {
setPublicKeys={setPublicKeys} setPublicKeys={setPublicKeys}
setWaku={setWaku} setWaku={setWaku}
waku={waku} waku={waku}
address={address}
/> />
<KeyPairHandling <KeyPairHandling
ethDmKeyPair={ethDmKeyPair} ethDmKeyPair={ethDmKeyPair}

17
examples/eth-dm/src/InitWaku.tsx
View File

@ -11,6 +11,7 @@ interface Props {
ethDmKeyPair: KeyPair | undefined; ethDmKeyPair: KeyPair | undefined;
setPublicKeys: Dispatch<SetStateAction<Map<string, string>>>; setPublicKeys: Dispatch<SetStateAction<Map<string, string>>>;
setMessages: Dispatch<SetStateAction<Message[]>>; setMessages: Dispatch<SetStateAction<Message[]>>;
address: string | undefined;
} }
/** /**
@ -22,6 +23,7 @@ export default function InitWaku({
ethDmKeyPair, ethDmKeyPair,
setPublicKeys, setPublicKeys,
setMessages, setMessages,
address,
}: Props) { }: Props) {
useEffect(() => { useEffect(() => {
if (waku) return; if (waku) return;
@ -41,9 +43,15 @@ export default function InitWaku({
setPublicKeys setPublicKeys
); );
const observerDirectMessage = ethDmKeyPair const observerDirectMessage =
? handleDirectMessage.bind({}, setMessages, ethDmKeyPair.privateKey) ethDmKeyPair && address
: undefined; ? handleDirectMessage.bind(
{},
setMessages,
ethDmKeyPair.privateKey,
address
)
: undefined;
useEffect(() => { useEffect(() => {
if (!waku) return; if (!waku) return;
@ -116,11 +124,14 @@ function handlePublicKeyMessage(
async function handleDirectMessage( async function handleDirectMessage(
setter: Dispatch<SetStateAction<Message[]>>, setter: Dispatch<SetStateAction<Message[]>>,
privateKey: string, privateKey: string,
address: string,
wakuMsg: WakuMessage wakuMsg: WakuMessage
) { ) {
console.log('Waku Message received:', wakuMsg); console.log('Waku Message received:', wakuMsg);
if (!wakuMsg.payload) return; if (!wakuMsg.payload) return;
const directMessage: DirectMessage = decode(wakuMsg.payload); const directMessage: DirectMessage = decode(wakuMsg.payload);
if (directMessage.toAddress !== address) return;
const text = await decryptMessage(privateKey, directMessage); const text = await decryptMessage(privateKey, directMessage);
const timestamp = wakuMsg.timestamp ? wakuMsg.timestamp : new Date(); const timestamp = wakuMsg.timestamp ? wakuMsg.timestamp : new Date();

1
examples/eth-dm/src/crypto.ts
View File

@ -8,7 +8,6 @@ import { DirectMessage, PublicKeyMessage } from './messages';
export interface KeyPair { export interface KeyPair {
privateKey: string; privateKey: string;
publicKey: string; publicKey: string;
address: string;
} }
/** /**