+import { compare, genSalt, hash } from 'bcrypt'
+import { createCipheriv, createDecipheriv, createSign, createVerify } from 'crypto'
import { Request } from 'express'
-import { BCRYPT_SALT_SIZE, HTTP_SIGNATURE, PRIVATE_RSA_KEY_SIZE } from '../initializers/constants'
-import { createPrivateKey, getPublicKey, promisify1, promisify2, sha256 } from './core-utils'
-import { jsonld } from './custom-jsonld-signature'
-import { logger } from './logger'
import { cloneDeep } from 'lodash'
-import { createSign, createVerify } from 'crypto'
-import * as bcrypt from 'bcrypt'
+import { sha256 } from '@shared/extra-utils'
+import { BCRYPT_SALT_SIZE, ENCRYPTION, HTTP_SIGNATURE, PRIVATE_RSA_KEY_SIZE } from '../initializers/constants'
import { MActor } from '../types/models'
+import { generateRSAKeyPairPromise, promisify1, promisify2, randomBytesPromise, scryptPromise } from './core-utils'
+import { jsonld } from './custom-jsonld-signature'
+import { logger } from './logger'
-const bcryptComparePromise = promisify2<any, string, boolean>(bcrypt.compare)
-const bcryptGenSaltPromise = promisify1<number, string>(bcrypt.genSalt)
-const bcryptHashPromise = promisify2<any, string | number, string>(bcrypt.hash)
+const bcryptComparePromise = promisify2<any, string, boolean>(compare)
+const bcryptGenSaltPromise = promisify1<number, string>(genSalt)
+const bcryptHashPromise = promisify2<any, string | number, string>(hash)
-const httpSignature = require('http-signature')
+const httpSignature = require('@peertube/http-signature')
-async function createPrivateAndPublicKeys () {
+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 }
+ return generateRSAKeyPairPromise(PRIVATE_RSA_KEY_SIZE)
}
+// ---------------------------------------------------------------------------
// User password checks
+// ---------------------------------------------------------------------------
function comparePassword (plainPassword: string, hashPassword: string) {
+ if (!plainPassword) return Promise.resolve(false)
+
return bcryptComparePromise(plainPassword, hashPassword)
}
return bcryptHashPromise(password, salt)
}
+// ---------------------------------------------------------------------------
// HTTP Signature
+// ---------------------------------------------------------------------------
function isHTTPSignatureDigestValid (rawBody: Buffer, req: Request): boolean {
if (req.headers[HTTP_SIGNATURE.HEADER_NAME] && req.headers['digest']) {
}
function parseHTTPSignature (req: Request, clockSkew?: number) {
- const headers = req.method === 'POST'
- ? HTTP_SIGNATURE.REQUIRED_HEADERS.POST
- : HTTP_SIGNATURE.REQUIRED_HEADERS.ALL
+ const requiredHeaders = req.method === 'POST'
+ ? [ '(request-target)', 'host', 'digest' ]
+ : [ '(request-target)', 'host' ]
+
+ const parsed = httpSignature.parse(req, { clockSkew, headers: requiredHeaders })
+
+ const parsedHeaders = parsed.params.headers
+ if (!parsedHeaders.includes('date') && !parsedHeaders.includes('(created)')) {
+ throw new Error(`date or (created) must be included in signature`)
+ }
- return httpSignature.parse(req, { clockSkew, headers })
+ return parsed
}
+// ---------------------------------------------------------------------------
// JSONLD
+// ---------------------------------------------------------------------------
function isJsonLDSignatureVerified (fromActor: MActor, signedDocument: any): Promise<boolean> {
if (signedDocument.signature.type === 'RsaSignature2017') {
return verify.verify(fromActor.publicKey, signedDocument.signature.signatureValue, 'base64')
}
-async function signJsonLDObject (byActor: MActor, data: any) {
+async function signJsonLDObject <T> (byActor: MActor, data: T) {
const signature = {
type: 'RsaSignature2017',
creator: byActor.url,
return Object.assign(data, { signature })
}
+// ---------------------------------------------------------------------------
+
function buildDigest (body: any) {
const rawBody = typeof body === 'string' ? body : JSON.stringify(body)
return 'SHA-256=' + sha256(rawBody, 'base64')
}
+// ---------------------------------------------------------------------------
+// Encryption
+// ---------------------------------------------------------------------------
+
+async function encrypt (str: string, secret: string) {
+ const iv = await randomBytesPromise(ENCRYPTION.IV)
+
+ const key = await scryptPromise(secret, ENCRYPTION.SALT, 32)
+ const cipher = createCipheriv(ENCRYPTION.ALGORITHM, key, iv)
+
+ let encrypted = iv.toString(ENCRYPTION.ENCODING) + ':'
+ encrypted += cipher.update(str, 'utf8', ENCRYPTION.ENCODING)
+ encrypted += cipher.final(ENCRYPTION.ENCODING)
+
+ return encrypted
+}
+
+async function decrypt (encryptedArg: string, secret: string) {
+ const [ ivStr, encryptedStr ] = encryptedArg.split(':')
+
+ const iv = Buffer.from(ivStr, 'hex')
+ const key = await scryptPromise(secret, ENCRYPTION.SALT, 32)
+
+ const decipher = createDecipheriv(ENCRYPTION.ALGORITHM, key, iv)
+
+ return decipher.update(encryptedStr, ENCRYPTION.ENCODING, 'utf8') + decipher.final('utf8')
+}
+
// ---------------------------------------------------------------------------
export {
comparePassword,
createPrivateAndPublicKeys,
cryptPassword,
- signJsonLDObject
+ signJsonLDObject,
+
+ encrypt,
+ decrypt
}
// ---------------------------------------------------------------------------
-function hash (obj: any): Promise<any> {
- return jsonld.promises
- .normalize(obj, {
- algorithm: 'URDNA2015',
- format: 'application/n-quads'
- })
- .then(res => sha256(res))
+function hashObject (obj: any): Promise<any> {
+ return jsonld.promises.normalize(obj, {
+ safe: false,
+ algorithm: 'URDNA2015',
+ format: 'application/n-quads'
+ }).then(res => sha256(res))
}
function createSignatureHash (signature: any) {
delete signatureCopy.id
delete signatureCopy.signatureValue
- return hash(signatureCopy)
+ return hashObject(signatureCopy)
}
function createDocWithoutSignatureHash (doc: any) {
const docWithoutSignature = cloneDeep(doc)
delete docWithoutSignature.signature
- return hash(docWithoutSignature)
+ return hashObject(docWithoutSignature)
}