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Better favicon detection

This commit is contained in:
syuilo 2020-10-27 16:44:54 +09:00
parent 615fedd64d
commit eb350e8d6c
1 changed files with 24 additions and 15 deletions
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29
src/services/fetch-instance-metadata.ts
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@ -9,15 +9,17 @@ import { URL } from 'url';
const logger = new Logger('metadata', 'cyan');
export async function fetchInstanceMetadata(instance: Instance): Promise<void> {
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} ...`);
@ -29,7 +31,7 @@ export async function fetchInstanceMetadata(instance: Instance): Promise<void> {
]);
const [favicon, icon, themeColor, name, description] = await Promise.all([
fetchFaviconUrl(instance).catch(() => null),
fetchFaviconUrl(instance, dom).catch(() => null),
fetchIconUrl(instance, dom, manifest).catch(() => null),
getThemeColor(dom, manifest).catch(() => null),
getSiteName(info, dom, manifest).catch(() => null),
@ -150,10 +152,17 @@ async function fetchManifest(instance: Instance): Promise<Record<string, any> |
return manifest;
}
async function fetchFaviconUrl(instance: Instance): Promise<string | null> {
logger.info(`Fetching favicon URL of ${instance.host} ...`);
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, {
@ -169,6 +178,11 @@ async function fetchFaviconUrl(instance: Instance): Promise<string | 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;
@ -183,11 +197,6 @@ async function fetchIconUrl(instance: Instance, doc: DOMWindow['document'] | nul
}
}
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;
}
return null;
}