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const { Router } = require('express')
const {
getOauthToken,
getOauthUser,
getUserToken,
verifyUserToken,
fetchInstallation,
fetchInstallationRepos,
fetchRepoBranches,
fetchKeyboardFiles,
createOauthFlowUrl,
createOauthReturnUrl,
commitChanges,
InvalidRepoError,
} = require('../services/github')
const { createInstallationToken } = require('../services/github/auth')
const { MissingRepoFile, findCodeKeymap } = require('../services/github/files')
const { parseKeymap, validateKeymapJson, KeymapValidationError } = require('../services/zmk/keymap')
const { validateInfoJson, InfoValidationError } = require('../services/zmk/layout')
const router = Router()
const authorize = async (req, res) => {
if (req.query.code) {
try {
const { data: oauth } = await getOauthToken(req.query.code)
const { data: user } = await getOauthUser(oauth.access_token)
const token = getUserToken(oauth, user)
res.redirect(createOauthReturnUrl(token))
} catch (err) {
const message = err.response ? err.response.data : err
console.error(message)
res.sendStatus(500)
}
} else {
res.redirect(createOauthFlowUrl())
}
}
const handleError = (err, req, res, next) => {
const message = err.response ? `[${err.response.status}] ${err.response.data}` : err
console.error(message, err)
if (err.response && err.response.status === 401) {
console.error('Received upstream authentication error', err.re)
return res.sendStatus(401)
}
res.sendStatus(500)
}
const authenticate = (req, res, next) => {
const header = req.headers.authorization
const token = (header || '').split(' ')[1]
if (!token) {
return res.sendStatus(401)
}
try {
req.user = verifyUserToken(token)
} catch (err) {
return res.sendStatus(401)
}
next()
}
const getInstallation = async (req, res, next) => {
const { user } = req
try {
const { data: installation } = await fetchInstallation(user.sub)
if (!installation) {
return res.json({ installation: null })
}
const repositories = await fetchInstallationRepos(user.oauth_access_token, installation.id)
res.json({ installation, repositories })
} catch (err) {
next(err)
}
}
const getBranches = async (req, res, next) => {
const { installationId, repository } = req.params
try {
const { data: { token: installationToken } } = await createInstallationToken(installationId)
const branches = await fetchRepoBranches(installationToken, repository)
res.json(branches)
} catch (err) {
next(err)
}
}
const getKeyboardFiles = async (req, res, next) => {
const { installationId, repository } = req.params
const { branch } = req.query
try {
const { info, keymap } = await fetchKeyboardFiles(installationId, repository, branch)
validateInfoJson(info)
validateKeymapJson(keymap)
res.json({
info,
keymap: parseKeymap(keymap)
})
} catch (err) {
if (err instanceof MissingRepoFile) {
return res.status(400).json({
name: err.constructor.name,
path: err.path,
errors: err.errors
})
} else if (err instanceof InfoValidationError || err instanceof KeymapValidationError) {
return res.status(400).json({
name: err.name,
errors: err.errors
})
}
next(err)
}
}
const updateKeyboardFiles = async (req, res, next) => {
const { installationId, repository, branch } = req.params
const { keymap, layout } = req.body
try {
await commitChanges(installationId, repository, branch, layout, keymap)
} catch (err) {
return next(err)
}
res.sendStatus(200)
}
const receiveWebhook = (req, res) => {
res.sendStatus(200)
}
router.get('/authorize', authorize)
router.get('/installation/:installationId/:repository/branches', authenticate, getBranches)
router.get('/installation', authenticate, getInstallation)
router.get('/keyboard-files/:installationId/:repository', authenticate, getKeyboardFiles)
router.post('/keyboard-files/:installationId/:repository/:branch', authenticate, updateKeyboardFiles)
router.post('/webhook', receiveWebhook)
router.use(handleError)
module.exports = router
|
