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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/_esm/utils/siwe

Просмотр файла: parseSiweMessage.js

/**
 * @description Parses EIP-4361 formatted message into message fields object.
 *
 * @see https://eips.ethereum.org/EIPS/eip-4361
 *
 * @returns EIP-4361 fields object
 */
export 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 } : {}),
    };
}
// https://regexr.com/80gdj
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)?/;
// https://regexr.com/80gf9
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>.+))?/;
//# sourceMappingURL=parseSiweMessage.js.map

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