55812b0394
* bskylink: scaffold service w/ initial config and schema * bskylink: implement link creation and redirects * bskylink: tidy * bskylink: tests * bskylink: tidy, add error handler * bskylink: add dockerfile * bskylink: add build * bskylink: fix some express plumbing * bskyweb: proxy fallthrough routes to link service redirects * bskyweb: build w/ link proxy * Add AASA to bskylink (#4588) --------- Co-authored-by: Hailey <me@haileyok.com>
40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
import assert from 'node:assert'
|
|
|
|
import {DAY, SECOND} from '@atproto/common'
|
|
import {Express} from 'express'
|
|
|
|
import {AppContext} from '../context.js'
|
|
import {handler} from './util.js'
|
|
|
|
export default function (ctx: AppContext, app: Express) {
|
|
return app.get(
|
|
'/:linkId',
|
|
handler(async (req, res) => {
|
|
const linkId = req.params.linkId
|
|
assert(
|
|
typeof linkId === 'string',
|
|
'express guarantees id parameter is a string',
|
|
)
|
|
const found = await ctx.db.db
|
|
.selectFrom('link')
|
|
.selectAll()
|
|
.where('id', '=', linkId)
|
|
.executeTakeFirst()
|
|
if (!found) {
|
|
// potentially broken or mistyped link— send user to the app
|
|
res.setHeader('Location', `https://${ctx.cfg.service.appHostname}`)
|
|
res.setHeader('Cache-Control', 'no-store')
|
|
return res.status(302).end()
|
|
}
|
|
// build url from original url in order to preserve query params
|
|
const url = new URL(
|
|
req.originalUrl,
|
|
`https://${ctx.cfg.service.appHostname}`,
|
|
)
|
|
url.pathname = found.path
|
|
res.setHeader('Location', url.href)
|
|
res.setHeader('Cache-Control', `max-age=${(7 * DAY) / SECOND}`)
|
|
return res.status(301).end()
|
|
}),
|
|
)
|
|
}
|