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import { getJson } from '../misc/fetch';
import { Instance } from '../models/entities/instance';
import { Instances } from '../models';
import { getNodeinfoLock } from '../misc/app-lock';
import Logger from '../services/logger';
export const logger = new Logger('nodeinfo', 'cyan');
export async function fetchNodeinfo(instance: Instance) {
const unlock = await getNodeinfoLock(instance.host);
const _instance = await Instances.findOne({ host: instance.host });
const now = Date.now();
if (_instance && _instance.infoUpdatedAt && (now - _instance.infoUpdatedAt.getTime() < 1000 * 60 * 60 * 24)) {
unlock();
return;
}
logger.info(`Fetching nodeinfo of ${instance.host} ...`);
try {
const wellknown = await getJson('https://' + instance.host + '/.well-known/nodeinfo')
.catch(e => {
if (e.statusCode === 404) {
throw 'No nodeinfo provided';
} else {
throw e.statusCode || e.message;
}
});
if (wellknown.links == null || !Array.isArray(wellknown.links)) {
throw 'No wellknown links';
}
const links = wellknown.links as any[];
const lnik1_0 = links.find(link => link.rel === 'http://nodeinfo.diaspora.software/ns/schema/1.0');
const lnik2_0 = links.find(link => link.rel === 'http://nodeinfo.diaspora.software/ns/schema/2.0');
const lnik2_1 = links.find(link => link.rel === 'http://nodeinfo.diaspora.software/ns/schema/2.1');
const link = lnik2_1 || lnik2_0 || lnik1_0;
if (link == null) {
throw 'No nodeinfo link provided';
}
const info = await getJson(link.href)
.catch(e => {
throw e.statusCode || e.message;
});
await Instances.update(instance.id, {
infoUpdatedAt: new Date(),
softwareName: info.software.name.toLowerCase(),
softwareVersion: info.software.version,
openRegistrations: info.openRegistrations,
name: info.metadata ? (info.metadata.nodeName || info.metadata.name || null) : null,
description: info.metadata ? (info.metadata.nodeDescription || info.metadata.description || null) : null,
maintainerName: info.metadata ? info.metadata.maintainer ? (info.metadata.maintainer.name || null) : null : null,
maintainerEmail: info.metadata ? info.metadata.maintainer ? (info.metadata.maintainer.email || null) : null : null,
});
logger.succ(`Successfuly fetched nodeinfo of ${instance.host}`);
} catch (e) {
logger.error(`Failed to fetch nodeinfo of ${instance.host}: ${e}`);
await Instances.update(instance.id, {
infoUpdatedAt: new Date(),
});
} finally {
unlock();
}
}
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