PeerTube/server/helpers/peertube-crypto.ts

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import { BCRYPT_SALT_SIZE, PRIVATE_RSA_KEY_SIZE } from '../initializers'
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import { AccountInstance } from '../models/account/account-interface'
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import { bcryptComparePromise, bcryptGenSaltPromise, bcryptHashPromise, createPrivateKey, getPublicKey } from './core-utils'
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import { jsig } from './custom-jsonld-signature'
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import { logger } from './logger'
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async function createPrivateAndPublicKeys () {
logger.info('Generating a RSA key...')
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const { key } = await createPrivateKey(PRIVATE_RSA_KEY_SIZE)
const { publicKey } = await getPublicKey(key)
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return { privateKey: key, publicKey }
}
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function isSignatureVerified (fromAccount: AccountInstance, signedDocument: object) {
const publicKeyObject = {
'@context': jsig.SECURITY_CONTEXT_URL,
'@id': fromAccount.url,
'@type': 'CryptographicKey',
owner: fromAccount.url,
publicKeyPem: fromAccount.publicKey
}
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const publicKeyOwnerObject = {
'@context': jsig.SECURITY_CONTEXT_URL,
'@id': fromAccount.url,
publicKey: [ publicKeyObject ]
}
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const options = {
publicKey: publicKeyObject,
publicKeyOwner: publicKeyOwnerObject
}
return jsig.promises.verify(signedDocument, options)
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.catch(err => {
logger.error('Cannot check signature.', err)
return false
})
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}
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function signObject (byAccount: AccountInstance, data: any) {
const options = {
privateKeyPem: byAccount.privateKey,
creator: byAccount.url
}
return jsig.promises.sign(data, options)
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}
function comparePassword (plainPassword: string, hashPassword: string) {
return bcryptComparePromise(plainPassword, hashPassword)
}
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async function cryptPassword (password: string) {
const salt = await bcryptGenSaltPromise(BCRYPT_SALT_SIZE)
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return bcryptHashPromise(password, salt)
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}
// ---------------------------------------------------------------------------
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export {
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isSignatureVerified,
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comparePassword,
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createPrivateAndPublicKeys,
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cryptPassword,
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signObject
}