lerna: split up bulk of packages

packages/roleypoly-server/api/auth.js

@@ -0,0 +1,171 @@
+// @flow
+import { type Context } from 'koa'
+import { type AppContext, type Router } from '../Roleypoly'
+import ksuid from 'ksuid'
+import logger from '../logger'
+import renderError from '../util/error'
+const log = logger(__filename)
+
+export default (R: Router, $: AppContext) => {
+  R.post('/api/auth/token', async (ctx: Context) => {
+    const { token } = ((ctx.request.body: any): { token: string })
+
+    if (token == null || token === '') {
+      ctx.body = { err: 'token_missing' }
+      ctx.status = 400
+      return
+    }
+
+    console.log(ctx.session.expiresAt >= new Date(), ctx.session.expiresAt, new Date())
+
+    if (ctx.session.accessToken === undefined || ctx.session.expiresAt >= new Date()) {
+      const data = await $.discord.initializeOAuth(token)
+      ctx.session.accessToken = data.access_token
+      ctx.session.refreshToken = data.refresh_token
+      ctx.session.expiresAt = new Date() + ctx.expires_in
+    }
+
+    const user = await $.discord.getUserFromToken(ctx.session.accessToken)
+    ctx.session.userId = user.id
+    ctx.session.avatarHash = user.avatar
+
+    ctx.body = {
+      id: user.id,
+      avatar: user.avatar,
+      username: user.username,
+      discriminator: user.discriminator
+    }
+  })
+
+  R.get('/api/auth/user', async (ctx: Context) => {
+    const { accessToken } = ((ctx.session: any): { accessToken?: string })
+    if (accessToken === undefined) {
+      ctx.body = { err: 'not_logged_in' }
+      ctx.status = 401
+      return
+    }
+
+    const user = await $.discord.getUserFromToken(accessToken)
+    ctx.session.userId = user.id
+    ctx.session.avatarHash = user.avatar
+
+    ctx.body = {
+      id: user.id,
+      avatar: user.avatar,
+      username: user.username,
+      discriminator: user.discriminator
+    }
+  })
+
+  R.get('/api/auth/redirect', async (ctx: Context) => {
+    const { r } = ctx.query
+    // check if already authed
+    if (await $.auth.isLoggedIn(ctx, { refresh: true })) {
+      log.debug('already authed.', ctx.session)
+      return ctx.redirect(r || '/')
+    }
+
+    ctx.session.oauthRedirect = r
+    const url = $.discord.getAuthUrl(ksuid.randomSync().string)
+    if (ctx.query.url === '✔️') {
+      ctx.body = { url }
+      return
+    }
+
+    ctx.redirect(url)
+  })
+
+  R.get('/api/oauth/callback', async (ctx: Context, next: *) => {
+    const { code, state } = ctx.query
+    const { oauthRedirect: r } = ctx.session
+    delete ctx.session.oauthRedirect
+    if (await $.auth.isLoggedIn(ctx)) {
+      log.debug('user was logged in')
+      return ctx.redirect(r || '/')
+    }
+
+    if (code == null) {
+      ctx.status = 400
+      await renderError($, ctx)
+      return
+    }
+
+    if (state != null) {
+      try {
+        const ksState = ksuid.parse(state)
+        const fiveMinAgo = new Date() - 1000 * 60 * 5
+        if (ksState.date < fiveMinAgo) {
+          ctx.status = 419
+          await renderError($, ctx)
+          return
+        }
+      } catch (e) {
+        ctx.status = 400
+        await renderError($, ctx)
+        return
+      }
+    }
+
+    try {
+      const tokens = await $.discord.initializeOAuth(code)
+      const user = await $.discord.getUserFromToken(tokens.access_token)
+      $.auth.injectSessionFromOAuth(ctx, tokens, user.id)
+      log.debug('user logged in', { tokens, user, s: ctx.session })
+      return ctx.redirect(r || '/')
+    } catch (e) {
+      log.error('token and auth fetch failure', e)
+      ctx.status = 400
+      return renderError($, ctx)
+    }
+  })
+
+  R.post('/api/auth/logout', async (ctx: Context) => {
+    ctx.session = null
+  })
+
+  R.get('/api/auth/logout', async (ctx: Context) => {
+    if (await $.auth.isLoggedIn(ctx)) {
+      if (ctx.session.authType === 'oauth') {
+        await $.discord.revokeOAuth(ctx.session)
+      }
+    }
+
+    ctx.session = null
+    return ctx.redirect('/')
+  })
+
+  R.get('/api/oauth/bot', async (ctx: Context) => {
+    const url = $.discord.getBotJoinUrl()
+    if (ctx.query.url === '✔️') {
+      ctx.body = { url }
+      return
+    }
+
+    ctx.redirect(url)
+  })
+
+  R.get('/api/oauth/bot/callback', async (ctx: Context) => {
+    // console.log(ctx.request)
+  })
+
+  R.get('/magic/:challenge', async (ctx: Context) => {
+    if (ctx.request.headers['user-agent'].includes('Discordbot')) {
+      return $.ui.render(ctx.req, ctx.res, '/_internal/_discordbot/_magic', {})
+    }
+
+    const { challenge } = ((ctx.params: any): { challenge: string })
+    const chall = await $.auth.fetchDMChallenge({ magic: challenge })
+    // log.notice('magic user agent', { ua: ctx.request.headers['User-Agent'] })
+
+    if (chall == null) {
+      log.warn('bad magic', challenge)
+      return ctx.redirect('/auth/expired')
+    }
+
+    $.auth.injectSessionFromChallenge(ctx, chall)
+    await $.auth.deleteDMChallenge(chall)
+    log.info('logged in via magic', chall)
+
+    return ctx.redirect('/')
+  })
+}