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import { toUnicode, toASCII } from 'punycode';
import User, { IUser } from '../models/user';
import webFinger from './webfinger';
import config from '../config';
import { createPerson } from './activitypub/models/person';
export default async (username: string, _host: string, option?: any): Promise<IUser> => {
const usernameLower = username.toLowerCase();
if (_host == null) {
return await User.findOne({ usernameLower });
}
const hostAscii = toASCII(_host).toLowerCase();
const host = toUnicode(hostAscii);
if (config.host == host) {
return await User.findOne({ usernameLower, host: null });
}
let user = await User.findOne({ usernameLower, host }, option);
if (user === null) {
const acctLower = `${usernameLower}@${hostAscii}`;
const finger = await webFinger(acctLower);
const self = finger.links.find(link => link.rel && link.rel.toLowerCase() === 'self');
if (!self) {
throw new Error('self link not found');
}
user = await createPerson(self.href);
}
return user;
};
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