aboutsummaryrefslogblamecommitdiffhomepage
path: root/server/helpers/peertube-crypto.ts
blob: a0c9112b9c44fb04653a6ff7c11cbb9010c91910 (plain) (tree)
1
2
3
4
5
6
7
8
9
                                                                        
                                                        
                                                                                                                            
                                                
                                 
 

                                              
 

                                                              
 
                                       

 
                                                                              

                                          
                         
                                 

                                     

   

                                          
                         

                                  
 



                                        
 
                                                      



                                                  

 
                                                      
                   

                                      
   
 
                                          



                                                                        
 
 


                                                           
                                          

 
                                                                              
 
        
                      
                  
                             
                
            
 
import { BCRYPT_SALT_SIZE, PRIVATE_RSA_KEY_SIZE } from '../initializers'
import { ActorModel } from '../models/activitypub/actor'
import { bcryptComparePromise, bcryptGenSaltPromise, bcryptHashPromise, createPrivateKey, getPublicKey } from './core-utils'
import { jsig } from './custom-jsonld-signature'
import { logger } from './logger'

async function createPrivateAndPublicKeys () {
  logger.info('Generating a RSA key...')

  const { key } = await createPrivateKey(PRIVATE_RSA_KEY_SIZE)
  const { publicKey } = await getPublicKey(key)

  return { privateKey: key, publicKey }
}

function isSignatureVerified (fromActor: ActorModel, signedDocument: object) {
  const publicKeyObject = {
    '@context': jsig.SECURITY_CONTEXT_URL,
    '@id': fromActor.url,
    '@type':  'CryptographicKey',
    owner: fromActor.url,
    publicKeyPem: fromActor.publicKey
  }

  const publicKeyOwnerObject = {
    '@context': jsig.SECURITY_CONTEXT_URL,
    '@id': fromActor.url,
    publicKey: [ publicKeyObject ]
  }

  const options = {
    publicKey: publicKeyObject,
    publicKeyOwner: publicKeyOwnerObject
  }

  return jsig.promises.verify(signedDocument, options)
    .catch(err => {
      logger.error('Cannot check signature.', err)
      return false
    })
}

function signObject (byActor: ActorModel, data: any) {
  const options = {
    privateKeyPem: byActor.privateKey,
    creator: byActor.url
  }

  return jsig.promises.sign(data, options)
}

function comparePassword (plainPassword: string, hashPassword: string) {
  return bcryptComparePromise(plainPassword, hashPassword)
}

async function cryptPassword (password: string) {
  const salt = await bcryptGenSaltPromise(BCRYPT_SALT_SIZE)

  return bcryptHashPromise(password, salt)
}

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

export {
  isSignatureVerified,
  comparePassword,
  createPrivateAndPublicKeys,
  cryptPassword,
  signObject
}