2020-05-04 01:16:54 +00:00
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const { Middleware } = require('libflitter')
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const samlp = require('samlp')
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class SAMLRequestMiddleware extends Middleware {
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static get services() {
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return [...super.services, 'output', 'models']
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}
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async test(req, res, next, args = null) {
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const ServiceProvider = this.models.get('saml:ServiceProvider')
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samlp.parseRequest(req, async (err, data) => {
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if ( err )
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return res.error(400, { message: 'Unable to parse SAML request data.' })
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if ( data ) {
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// Verify that the issuer is known
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const sp = await ServiceProvider.findOne({entity_id: data.issuer, active: true})
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if (!sp)
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2021-08-23 01:06:36 +00:00
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return res.error(401, {
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message: 'Unable to continue. The SAML issuer is unknown.'
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})
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2020-05-04 01:16:54 +00:00
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req.saml_request = {
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relay_state: req.query.RelayState || req.body.RelayState,
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id: data.id,
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issuer: data.issuer,
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destination: data.destination,
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acs_url: data.assertionConsumerServiceURL,
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force_authn: data.forceAuthn === 'true',
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service_provider: sp,
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}
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req.session.auth.message = `Please sign-in to continue to ${sp.name}.`
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this.output.info('Parsed SAML request')
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this.output.debug(req.saml_request)
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} else {
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this.output.info(`Incoming request does not have an associated SAMLRequest`)
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}
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return next()
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})
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}
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}
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module.exports = exports = SAMLRequestMiddleware
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