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MisskeyIO/src/remote/webfinger.ts
2018-04-03 12:28:34 +09:00

39 lines
741 B
TypeScript

const WebFinger = require('webfinger.js');
const webFinger = new WebFinger({ });
type ILink = {
href: string;
rel: string;
};
type IWebFinger = {
links: ILink[];
subject: string;
};
export default async function resolve(query, verifier?: string): Promise<IWebFinger> {
const finger = await new Promise((res, rej) => webFinger.lookup(query, (error, result) => {
if (error) {
return rej(error);
}
res(result.object);
})) as IWebFinger;
const subject = finger.subject.toLowerCase().replace(/^acct:/, '');
if (typeof verifier === 'string') {
if (subject !== verifier) {
throw new Error();
}
return finger;
}
if (typeof subject === 'string') {
return resolve(subject, subject);
}
throw new Error();
}