viem
Version:
24 lines • 1.52 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseSiweMessage = parseSiweMessage;
function parseSiweMessage(message) {
const { scheme, statement, ...prefix } = (message.match(prefixRegex)
?.groups ?? {});
const { chainId, expirationTime, issuedAt, notBefore, requestId, ...suffix } = (message.match(suffixRegex)?.groups ?? {});
const resources = message.split('Resources:')[1]?.split('\n- ').slice(1);
return {
...prefix,
...suffix,
...(chainId ? { chainId: Number(chainId) } : {}),
...(expirationTime ? { expirationTime: new Date(expirationTime) } : {}),
...(issuedAt ? { issuedAt: new Date(issuedAt) } : {}),
...(notBefore ? { notBefore: new Date(notBefore) } : {}),
...(requestId ? { requestId } : {}),
...(resources ? { resources } : {}),
...(scheme ? { scheme } : {}),
...(statement ? { statement } : {}),
};
}
const prefixRegex = /^(?:(?<scheme>[a-zA-Z][a-zA-Z0-9+-.]*):\/\/)?(?<domain>[a-zA-Z0-9+-.]*(?::[0-9]{1,5})?) (?:wants you to sign in with your Ethereum account:\n)(?<address>0x[a-fA-F0-9]{40})\n\n(?:(?<statement>.*)\n\n)?/;
const suffixRegex = /(?:URI: (?<uri>.+))\n(?:Version: (?<version>.+))\n(?:Chain ID: (?<chainId>\d+))\n(?:Nonce: (?<nonce>[a-zA-Z0-9]+))\n(?:Issued At: (?<issuedAt>.+))(?:\nExpiration Time: (?<expirationTime>.+))?(?:\nNot Before: (?<notBefore>.+))?(?:\nRequest ID: (?<requestId>.+))?/;
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