rafael
70 lines
2.0 KiB
TypeScript
70 lines
2.0 KiB
TypeScript
import resvg from '@resvg/resvg-js'
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import {type Express} from 'express'
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import satori from 'satori'
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import {
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AVATAR_BUBBLES_SIZE,
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AvatarBubbles,
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} from '../components/AvatarBubbles.js'
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import {type AppContext} from '../context.js'
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import {httpLogger} from '../logger.js'
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import {
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getImage,
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handler,
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hideAvatarLabels,
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originVerifyMiddleware,
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} from './util.js'
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export default function (ctx: AppContext, app: Express) {
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return app.get(
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'/avatar-bubbles',
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originVerifyMiddleware(ctx),
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handler(async (req, res) => {
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const didParam = req.query.did
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const dids = (Array.isArray(didParam) ? didParam : [didParam]).filter(
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(d): d is string => typeof d === 'string' && d.length > 0,
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)
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if (dids.length < 1 || dids.length > 4) {
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return res.status(400).end('did param must contain 1-4 DIDs')
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}
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let profiles
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try {
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const result = await ctx.appviewAgent.api.app.bsky.actor.getProfiles({
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actors: dids,
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})
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profiles = result.data.profiles
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} catch (err) {
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httpLogger.warn({err, dids}, 'could not fetch profiles')
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return res.status(502).end('could not fetch profiles')
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}
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const images = await Promise.all(
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dids.map(async did => {
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const profile = profiles.find(p => p.did === did)
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if (!profile?.avatar) return null
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if (profile.labels?.some(l => hideAvatarLabels.has(l.val)))
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return null
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try {
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return await getImage(profile.avatar)
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} catch (err) {
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httpLogger.warn({err, did}, 'could not fetch avatar image')
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return null
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}
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}),
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)
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const svg = await satori(<AvatarBubbles images={images} />, {
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fonts: ctx.fonts,
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height: AVATAR_BUBBLES_SIZE,
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width: AVATAR_BUBBLES_SIZE,
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})
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const output = await resvg.renderAsync(svg)
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res.statusCode = 200
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res.setHeader('content-type', 'image/png')
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res.setHeader('cdn-tag', dids.join(','))
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return res.end(output.asPng())
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}),
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)
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}
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