123 lines
3.7 KiB
TypeScript
123 lines
3.7 KiB
TypeScript
import type { AppInfo } from '~/types'
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// @ts-expect-error virtual import
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import { env } from '#build-info'
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// @ts-expect-error virtual import
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import { driver } from '#storage-config'
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import { $fetch } from 'ofetch'
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import kv from 'unstorage/drivers/cloudflare-kv-http'
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import fs from 'unstorage/drivers/fs'
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import memory from 'unstorage/drivers/memory'
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import vercelKVDriver from 'unstorage/drivers/vercel-kv'
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import { version } from '~/config/env'
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import { APP_NAME } from '~/constants'
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import cached from '../cache-driver'
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const storage = useStorage<AppInfo>()
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if (driver === 'fs') {
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const config = useRuntimeConfig()
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storage.mount('servers', fs({ base: config.storage.fsBase }))
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}
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else if (driver === 'cloudflare') {
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const config = useRuntimeConfig()
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storage.mount('servers', cached(kv({
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accountId: config.cloudflare.accountId,
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namespaceId: config.cloudflare.namespaceId,
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apiToken: config.cloudflare.apiToken,
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})))
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}
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else if (driver === 'vercel') {
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const config = useRuntimeConfig()
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storage.mount('servers', cached(vercelKVDriver({
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url: config.vercel.url,
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token: config.vercel.token,
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env: config.vercel.env,
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base: config.vercel.base,
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})))
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}
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else if (driver === 'memory') {
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storage.mount('servers', memory())
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}
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export function getRedirectURI(origin: string, server: string) {
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origin = origin.replace(/\?.*$/, '')
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return `${origin}/api/${server}/oauth/${encodeURIComponent(origin)}`
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}
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export const defaultUserAgent = `${APP_NAME}/${version}`
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async function fetchAppInfo(origin: string, server: string) {
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const [apps, v2Instance] = await Promise.all([
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$fetch(`https://${server}/api/v1/apps`, {
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method: 'POST',
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headers: {
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'user-agent': defaultUserAgent,
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},
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body: {
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client_name: APP_NAME + (env !== 'release' ? ` (${env})` : ''),
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website: 'https://elk.zone',
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redirect_uris: getRedirectURI(origin, server),
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scopes: 'read write follow push',
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},
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}),
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$fetch(`https://${server}/api/v2/instance`, {
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headers: {
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'user-agent': defaultUserAgent,
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},
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})
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.catch(() => null),
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])
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// vapid.public_key prop is only available on Mastodon v4.3+
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const v2InstanceVapidKey: string | undefined = v2Instance?.configuration?.vapid?.public_key
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const app: AppInfo = {
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...apps,
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// prefer vapid key from `/api/v2/instance` if available
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// since `vapid_key` from `/api/v1/apps` was deprecated on Mastodon v4.3.0+
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// ref. apps API methods - Mastodon documentation
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// - https://docs.joinmastodon.org/methods/apps/#create
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...v2InstanceVapidKey ? { vapid_key: v2InstanceVapidKey } : {},
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}
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return app
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}
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export async function getApp(origin: string, server: string) {
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const host = origin.replace(/^https?:\/\//, '').replace(/\W/g, '-').replace(/\?.*$/, '')
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const key = `servers:v4:${server}:${host}.json`.toLowerCase()
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try {
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if (await storage.hasItem(key))
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return (storage.getItem(key, {}) as Promise<AppInfo>)
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const appInfo = await fetchAppInfo(origin, server)
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// cache `appInfo` for 1 week to prevent permanent lockout
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// note that `unstorage` supports `ttl` only for some storage drivers like cloudflare
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await storage.setItem(key, appInfo, { ttl: 60 * 60 * 24 * 7 /* 1 week */ })
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return appInfo
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}
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catch {
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return null
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}
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}
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export async function deleteApp(server: string) {
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const keys = (await storage.getKeys(`servers:v4:${server}:`))
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for (const key of keys)
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await storage.removeItem(key)
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}
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export async function listServers() {
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const keys = await storage.getKeys('servers:v4:')
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const servers = new Set<string>()
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for (const key of keys) {
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const id = key.split(':')[2]
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if (id)
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servers.add(id.toLocaleLowerCase())
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}
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return Array.from(servers).sort()
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}
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