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| const { dirname, resolve } = require('path') | |
| const Layer = require('express/lib/router/layer') | |
| const { issueCookie } = require(resolve(dirname(require.resolve('n8n')), 'auth/jwt')) | |
| const ignoreAuthRegexp = /^\/(assets|healthz|webhook|rest\/oauth2-credential)/ | |
| module.exports = { | |
| n8n: { | |
| ready: [ | |
| async function ({ app }, config) { | |
| const { stack } = app._router | |
| const index = stack.findIndex((l) => l.name === 'cookieParser') | |
| stack.splice(index + 1, 0, new Layer('/', { | |
| strict: false, | |
| end: false | |
| }, async (req, res, next) => { | |
| // skip if URL is ignored | |
| if (ignoreAuthRegexp.test(req.url)) return next() | |
| // skip if user management is not set up yet | |
| if (!config.get('userManagement.isInstanceOwnerSetUp', false)) return next() | |
| // skip if cookie already exists | |
| if (req.cookies?.['n8n-auth']) return next() | |
| // if N8N_FORWARD_AUTH_HEADER is not set, skip | |
| if (!process.env.N8N_FORWARD_AUTH_HEADER) return next() | |
| // if N8N_FORWARD_AUTH_HEADER header is not found, skip | |
| const email = req.headers[process.env.N8N_FORWARD_AUTH_HEADER.toLowerCase()] | |
| if (!email) return next() | |
| // search for user with email | |
| const user = await this.dbCollections.User.findOne({ | |
| where: { email }, | |
| relations: ['role'] | |
| }) | |
| if (!user) { | |
| res.statusCode = 401 | |
| res.end(`User ${email} not found, please have an admin invite the user first.`) | |
| return | |
| } | |
| // issue cookie if all is OK | |
| issueCookie(res, user) | |
| return next() | |
| })) | |
| }, | |
| ], | |
| }, | |
| } |
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