89 lines
2.8 KiB
JavaScript
89 lines
2.8 KiB
JavaScript
import token from './tokens'
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import error from '../error'
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import response from '../response'
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import wrap from '../wrap'
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module.exports = wrap(async (req, res) => {
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let clientId = null
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let clientSecret = null
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let grantType = null
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if (req.body.client_id && req.body.client_secret) {
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clientId = req.body.client_id
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clientSecret = req.body.client_secret
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console.debug('Client credentials parsed from body parameters', clientId, clientSecret)
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} else {
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if (!req.headers || !req.headers.authorization) {
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throw new error.InvalidRequest('No authorization header passed')
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}
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let pieces = req.headers.authorization.split(' ', 2)
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if (!pieces || pieces.length !== 2) {
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throw new error.InvalidRequest('Authorization header is corrupted')
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}
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if (pieces[0] !== 'Basic') {
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throw new error.InvalidRequest('Unsupported authorization method:', pieces[0])
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}
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pieces = Buffer.from(pieces[1], 'base64').toString('ascii').split(':', 2)
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if (!pieces || pieces.length !== 2) {
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throw new error.InvalidRequest('Authorization header has corrupted data')
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}
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clientId = pieces[0]
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clientSecret = pieces[1]
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console.debug('Client credentials parsed from basic auth header:', clientId, clientSecret)
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}
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if (!req.body.grant_type) {
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throw new error.InvalidRequest('Request body does not contain grant_type parameter')
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}
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grantType = req.body.grant_type
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console.debug('Parameter grant_type is', grantType)
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const client = await req.oauth2.model.client.fetchById(clientId)
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if (!client) {
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throw new error.InvalidClient('Client not found')
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}
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const valid = req.oauth2.model.client.checkSecret(client, clientSecret)
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if (!valid) {
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throw new error.UnauthorizedClient('Invalid client secret')
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}
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if (!req.oauth2.model.client.checkGrantType(client, grantType) && grantType !== 'refresh_token') {
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throw new error.UnauthorizedClient('Invalid grant type for the client')
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} else {
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console.debug('Grant type check passed')
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}
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let evt
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try {
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switch (grantType) {
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case 'authorization_code':
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evt = await token.authorizationCode(req.oauth2, client, req.body.code, req.body.redirect_uri)
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break
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case 'password':
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evt = await token.password(req.oauth2, client, req.body.username, req.body.password, req.body.scope)
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break
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case 'client_credentials':
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evt = await token.clientCredentials(req.oauth2, client, req.body.scope)
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break
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case 'refresh_token':
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evt = await token.refreshToken(req.oauth2, client, req.body.refresh_token, req.body.scope)
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break
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default:
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throw new error.UnsupportedGrantType('Grant type does not match any supported type')
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}
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if (evt) {
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response.data(req, res, evt)
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}
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} catch (e) {
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response.error(req, res, e)
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}
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})
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