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(); } }