elk/server/utils/shared.ts
2023-02-08 12:00:43 -08:00

92 lines
2.7 KiB
TypeScript

// @ts-expect-error unstorage needs to provide backwards-compatible subpath types
import _fs from 'unstorage/drivers/fs'
// @ts-expect-error unstorage needs to provide backwards-compatible subpath types
import _memory from 'unstorage/drivers/memory'
import { stringifyQuery } from 'ufo'
import { $fetch } from 'ofetch'
import type { Storage } from 'unstorage'
import cached from '../cache-driver'
import kv from '../cloudflare-driver'
// @ts-expect-error virtual import
import { env } from '#build-info'
// @ts-expect-error virtual import
import { driver } from '#storage-config'
import type { AppInfo } from '~/types'
import { APP_NAME } from '~/constants'
const fs = _fs as typeof import('unstorage/dist/drivers/fs')['default']
const memory = _memory as typeof import('unstorage/dist/drivers/memory')['default']
const storage = useStorage() as Storage
if (driver === 'fs') {
const config = useRuntimeConfig()
storage.mount('servers', fs({ base: config.storage.fsBase }))
}
else if (driver === 'cloudflare') {
const config = useRuntimeConfig()
storage.mount('servers', cached(kv({
accountId: config.cloudflare.accountId,
namespaceId: config.cloudflare.namespaceId,
apiToken: config.cloudflare.apiToken,
})))
}
else if (driver === 'memory') {
storage.mount('servers', memory())
}
export function getRedirectURI(origin: string, server: string) {
return `${origin}/api/${server}/oauth?${stringifyQuery({ origin })}`
}
async function fetchAppInfo(origin: string, server: string) {
const app: AppInfo = await $fetch(`https://${server}/api/v1/apps`, {
method: 'POST',
body: {
client_name: APP_NAME + (env !== 'release' ? ` (${env})` : ''),
website: 'https://elk.zone',
redirect_uris: getRedirectURI(origin, server),
scopes: 'read write follow push',
},
})
return app
}
export async function getApp(origin: string, server: string) {
const host = origin.replace(/^https?:\/\//, '').replace(/[^\w\d]/g, '-')
const key = `servers:v2:${server}:${host}.json`.toLowerCase()
try {
if (await storage.hasItem(key))
return await storage.getItem(key) as Promise<AppInfo>
const appInfo = await fetchAppInfo(origin, server)
await storage.setItem(key, appInfo)
return appInfo
}
catch {
return null
}
}
export async function deleteApp(server: string) {
const keys = (await storage.getKeys(`servers:v2:${server}:`))
for (const key of keys)
await storage.removeItem(key)
}
export async function listServers() {
const keys = await storage.getKeys('servers:v2:')
const servers = new Set<string>()
for await (const key of keys) {
const id = key.split(':')[2]
if (id)
servers.add(id.toLocaleLowerCase())
}
return Array.from(servers).sort()
}