mirror of
https://github.com/misskey-dev/misskey
synced 2024-12-30 14:38:30 +09:00
41 lines
998 B
TypeScript
41 lines
998 B
TypeScript
import * as Koa from 'koa';
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import * as request from 'request-promise-native';
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import summaly from 'summaly';
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import fetchMeta from '../../misc/fetch-meta';
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module.exports = async (ctx: Koa.BaseContext) => {
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const meta = await fetchMeta();
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try {
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const summary = meta.summalyProxy ? await request.get({
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url: meta.summalyProxy,
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qs: {
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url: ctx.query.url
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},
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json: true
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}) : await summaly(ctx.query.url, {
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followRedirects: false
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});
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summary.icon = wrap(summary.icon);
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summary.thumbnail = wrap(summary.thumbnail);
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// Cache 7days
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ctx.set('Cache-Control', 'max-age=604800, immutable');
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ctx.body = summary;
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} catch (e) {
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ctx.status = 200;
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ctx.set('Cache-Control', 'max-age=86400, immutable');
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ctx.body = '{}';
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}
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};
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function wrap(url: string): string {
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return url != null
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? url.match(/^https?:\/\//)
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? `https://images.weserv.nl/?url=${encodeURIComponent(url.replace(/^http:\/\//, '').replace(/^https:\/\//, 'ssl:'))}&w=200&h=200`
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: url
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: null;
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}
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