refactoring

Resolve #7779

1 files changed, 0 insertions, 265 deletions

diff --git a/src/services/fetch-instance-metadata.ts b/src/services/fetch-instance-metadata.ts
deleted file mode 100644
index 2c401508a9..0000000000
--- a/src/services/fetch-instance-metadata.ts
+++ /dev/null
@@ -1,265 +0,0 @@
-import { DOMWindow, JSDOM } from 'jsdom';
-import fetch from 'node-fetch';
-import { getJson, getHtml, getAgentByUrl } from '@/misc/fetch';
-import { Instance } from '@/models/entities/instance';
-import { Instances } from '@/models/index';
-import { getFetchInstanceMetadataLock } from '@/misc/app-lock';
-import Logger from './logger';
-import { URL } from 'url';
-
-const logger = new Logger('metadata', 'cyan');
-
-export async function fetchInstanceMetadata(instance: Instance, force = false): Promise<void> {
-	const unlock = await getFetchInstanceMetadataLock(instance.host);
-
-	if (!force) {
-		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 metadata of ${instance.host} ...`);
-
-	try {
-		const [info, dom, manifest] = await Promise.all([
-			fetchNodeinfo(instance).catch(() => null),
-			fetchDom(instance).catch(() => null),
-			fetchManifest(instance).catch(() => null),
-		]);
-
-		const [favicon, icon, themeColor, name, description] = await Promise.all([
-			fetchFaviconUrl(instance, dom).catch(() => null),
-			fetchIconUrl(instance, dom, manifest).catch(() => null),
-			getThemeColor(dom, manifest).catch(() => null),
-			getSiteName(info, dom, manifest).catch(() => null),
-			getDescription(info, dom, manifest).catch(() => null),
-		]);
-
-		logger.succ(`Successfuly fetched metadata of ${instance.host}`);
-
-		const updates = {
-			infoUpdatedAt: new Date(),
-		} as Record<string, any>;
-
-		if (info) {
-			updates.softwareName = info.software?.name.toLowerCase();
-			updates.softwareVersion = info.software?.version;
-			updates.openRegistrations = info.openRegistrations;
-			updates.maintainerName = info.metadata ? info.metadata.maintainer ? (info.metadata.maintainer.name || null) : null : null;
-			updates.maintainerEmail = info.metadata ? info.metadata.maintainer ? (info.metadata.maintainer.email || null) : null : null;
-		}
-
-		if (name) updates.name = name;
-		if (description) updates.description = description;
-		if (icon || favicon) updates.iconUrl = icon || favicon;
-		if (favicon) updates.faviconUrl = favicon;
-		if (themeColor) updates.themeColor = themeColor;
-
-		await Instances.update(instance.id, updates);
-
-		logger.succ(`Successfuly updated metadata of ${instance.host}`);
-	} catch (e) {
-		logger.error(`Failed to update metadata of ${instance.host}: ${e}`);
-	} finally {
-		unlock();
-	}
-}
-
-type NodeInfo = {
-	openRegistrations?: any;
-	software?: {
-		name?: any;
-		version?: any;
-	};
-	metadata?: {
-		name?: any;
-		nodeName?: any;
-		nodeDescription?: any;
-		description?: any;
-		maintainer?: {
-			name?: any;
-			email?: any;
-		};
-	};
-};
-
-async function fetchNodeinfo(instance: Instance): Promise<NodeInfo> {
-	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;
-			});
-
-		logger.succ(`Successfuly fetched nodeinfo of ${instance.host}`);
-
-		return info;
-	} catch (e) {
-		logger.error(`Failed to fetch nodeinfo of ${instance.host}: ${e}`);
-
-		throw e;
-	}
-}
-
-async function fetchDom(instance: Instance): Promise<DOMWindow['document']> {
-	logger.info(`Fetching HTML of ${instance.host} ...`);
-
-	const url = 'https://' + instance.host;
-
-	const html = await getHtml(url);
-
-	const { window } = new JSDOM(html);
-	const doc = window.document;
-
-	return doc;
-}
-
-async function fetchManifest(instance: Instance): Promise<Record<string, any> | null> {
-	const url = 'https://' + instance.host;
-
-	const manifestUrl = url + '/manifest.json';
-
-	const manifest = await getJson(manifestUrl);
-
-	return manifest;
-}
-
-async function fetchFaviconUrl(instance: Instance, doc: DOMWindow['document'] | null): Promise<string | null> {
-	const url = 'https://' + instance.host;
-
-	if (doc) {
-		const href = doc.querySelector('link[rel="icon"]')?.getAttribute('href');
-
-		if (href) {
-			return (new URL(href, url)).href;
-		}
-	}
-
-	const faviconUrl = url + '/favicon.ico';
-
-	const favicon = await fetch(faviconUrl, {
-		timeout: 10000,
-		agent: getAgentByUrl,
-	});
-
-	if (favicon.ok) {
-		return faviconUrl;
-	}
-
-	return null;
-}
-
-async function fetchIconUrl(instance: Instance, doc: DOMWindow['document'] | null, manifest: Record<string, any> | null): Promise<string | null> {
-	if (manifest && manifest.icons && manifest.icons.length > 0 && manifest.icons[0].src) {
-		const url = 'https://' + instance.host;
-		return (new URL(manifest.icons[0].src, url)).href;
-	}
-
-	if (doc) {
-		const url = 'https://' + instance.host;
-
-		const hrefAppleTouchIconPrecomposed = doc.querySelector('link[rel="apple-touch-icon-precomposed"]')?.getAttribute('href');
-		const hrefAppleTouchIcon = doc.querySelector('link[rel="apple-touch-icon"]')?.getAttribute('href');
-		const hrefIcon = doc.querySelector('link[rel="icon"]')?.getAttribute('href');
-
-		const href = hrefAppleTouchIconPrecomposed || hrefAppleTouchIcon || hrefIcon;
-
-		if (href) {
-			return (new URL(href, url)).href;
-		}
-	}
-
-	return null;
-}
-
-async function getThemeColor(doc: DOMWindow['document'] | null, manifest: Record<string, any> | null): Promise<string | null> {
-	if (doc) {
-		const themeColor = doc.querySelector('meta[name="theme-color"]')?.getAttribute('content');
-
-		if (themeColor) {
-			return themeColor;
-		}
-	}
-
-	if (manifest) {
-		return manifest.theme_color;
-	}
-
-	return null;
-}
-
-async function getSiteName(info: NodeInfo | null, doc: DOMWindow['document'] | null, manifest: Record<string, any> | null): Promise<string | null> {
-	if (info && info.metadata) {
-		if (info.metadata.nodeName || info.metadata.name) {
-			return info.metadata.nodeName || info.metadata.name;
-		}
-	}
-
-	if (doc) {
-		const og = doc.querySelector('meta[property="og:title"]')?.getAttribute('content');
-
-		if (og) {
-			return og;
-		}
-	}
-
-	if (manifest) {
-		return manifest?.name || manifest?.short_name;
-	}
-
-	return null;
-}
-
-async function getDescription(info: NodeInfo | null, doc: DOMWindow['document'] | null, manifest: Record<string, any> | null): Promise<string | null> {
-	if (info && info.metadata) {
-		if (info.metadata.nodeDescription || info.metadata.description) {
-			return info.metadata.nodeDescription || info.metadata.description;
-		}
-	}
-
-	if (doc) {
-		const meta = doc.querySelector('meta[name="description"]')?.getAttribute('content');
-		if (meta) {
-			return meta;
-		}
-
-		const og = doc.querySelector('meta[property="og:description"]')?.getAttribute('content');
-		if (og) {
-			return og;
-		}
-	}
-
-	if (manifest) {
-		return manifest?.name || manifest?.short_name;
-	}
-
-	return null;
-}