aboutsummaryrefslogblamecommitdiffhomepage
path: root/server/middlewares/secure.ts
blob: ee8545028085894341a7d975c5f1de2d24349fdc (plain) (tree)
1
2
3
4
5
6
7
8
9
                                              
                                           
                                                            
 
                                          
                                      
                                               
              
                                                                     



                                
                                           


                                
                                                     
 
                         

                                                                        






                                                                                                                     
 
                               



                           


                   
                                                                                  



                              

                                                                              


                
const db = require('../initializers/database')
const logger = require('../helpers/logger')
const peertubeCrypto = require('../helpers/peertube-crypto')

function checkSignature (req, res, next) {
  const host = req.body.signature.host
  db.Pod.loadByHost(host, function (err, pod) {
    if (err) {
      logger.error('Cannot get signed host in body.', { error: err })
      return res.sendStatus(500)
    }

    if (pod === null) {
      logger.error('Unknown pod %s.', host)
      return res.sendStatus(403)
    }

    logger.debug('Checking signature from %s.', host)

    let signatureShouldBe
    // If there is data in the body the sender used it for its signature
    // If there is no data we just use its host as signature
    if (req.body.data) {
      signatureShouldBe = req.body.data
    } else {
      signatureShouldBe = host
    }

    const signatureOk = peertubeCrypto.checkSignature(pod.publicKey, signatureShouldBe, req.body.signature.signature)

    if (signatureOk === true) {
      res.locals.secure = {
        pod
      }

      return next()
    }

    logger.error('Signature is not okay in body for %s.', req.body.signature.host)
    return res.sendStatus(403)
  })
}

// ---------------------------------------------------------------------------

export {
  checkSignature
}