89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
import { SiweMessage } from 'siwe';
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import { BrowserProvider, JsonRpcSigner } from 'ethers';
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import * as solanaWeb3 from '@solana/web3.js';
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import bs58 from 'bs58';
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const endpoint = 'http://localhost:3000';
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export async function signIn(type) {
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let address, signature, message;
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if (type === 'ethereum') {
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await window.ethereum.request({ method: 'eth_requestAccounts' });
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const provider = new BrowserProvider(window.ethereum);
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const signer = await provider.getSigner();
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address = await signer.getAddress();
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const nonceResponse = await fetch(`${endpoint}/auth/nonce?address=${address}&type=ethereum`);
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const { nonce } = await nonceResponse.json();
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const siweMessage = new SiweMessage({
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domain: window.location.host,
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address: address,
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statement: 'Sign in with Ethereum to zk-Lokomotive.',
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uri: window.location.origin,
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version: '1',
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chainId: 1,
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nonce: nonce
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});
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message = siweMessage.prepareMessage();
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signature = await signer.signMessage(message);
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} else if (type === 'solana') {
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const provider = window.solana;
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await provider.connect();
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address = provider.publicKey.toString();
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const nonceResponse = await fetch(`${endpoint}/auth/nonce?address=${address}&type=solana`);
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const { nonce } = await nonceResponse.json();
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const encodedMessage = new TextEncoder().encode(nonce);
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const signatureBytes = await provider.signMessage(encodedMessage, 'utf8');
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signature = bs58.encode(signatureBytes.signature);
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} else {
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throw new Error('Invalid type');
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}
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try {
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const response = await fetch(`${endpoint}/auth/verify`, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({ type, message, address, signature }),
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});
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if (!response.ok) {
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throw new Error((await response.json()).error);
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}
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const { auth_token } = await response.json();
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localStorage.setItem('auth_token', auth_token);
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localStorage.setItem('auth_type', type);
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return { success: true, auth_token };
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} catch (error) {
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console.error('Authentication error:', error);
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return { success: false, error: error.message };
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}
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}
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export async function signOff() {
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const auth_token = localStorage.getItem('auth_token');
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const response = await fetch(`${endpoint}/auth/signoff`, {
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method: 'DELETE',
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headers: {
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'Content-Type': 'application/json',
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'Authorization': `Bearer ${auth_token}`
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}
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});
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if (!response.ok) {
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throw new Error((await response.json()).error);
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} else {
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localStorage.removeItem('auth_token');
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return true;
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}
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}
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