diff options
Diffstat (limited to 'backend/node_modules/jws/lib/sign-stream.js')
-rw-r--r-- | backend/node_modules/jws/lib/sign-stream.js | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/backend/node_modules/jws/lib/sign-stream.js b/backend/node_modules/jws/lib/sign-stream.js deleted file mode 100644 index 6a7ee42..0000000 --- a/backend/node_modules/jws/lib/sign-stream.js +++ /dev/null @@ -1,78 +0,0 @@ -/*global module*/ -var Buffer = require('safe-buffer').Buffer; -var DataStream = require('./data-stream'); -var jwa = require('jwa'); -var Stream = require('stream'); -var toString = require('./tostring'); -var util = require('util'); - -function base64url(string, encoding) { - return Buffer - .from(string, encoding) - .toString('base64') - .replace(/=/g, '') - .replace(/\+/g, '-') - .replace(/\//g, '_'); -} - -function jwsSecuredInput(header, payload, encoding) { - encoding = encoding || 'utf8'; - var encodedHeader = base64url(toString(header), 'binary'); - var encodedPayload = base64url(toString(payload), encoding); - return util.format('%s.%s', encodedHeader, encodedPayload); -} - -function jwsSign(opts) { - var header = opts.header; - var payload = opts.payload; - var secretOrKey = opts.secret || opts.privateKey; - var encoding = opts.encoding; - var algo = jwa(header.alg); - var securedInput = jwsSecuredInput(header, payload, encoding); - var signature = algo.sign(securedInput, secretOrKey); - return util.format('%s.%s', securedInput, signature); -} - -function SignStream(opts) { - var secret = opts.secret||opts.privateKey||opts.key; - var secretStream = new DataStream(secret); - this.readable = true; - this.header = opts.header; - this.encoding = opts.encoding; - this.secret = this.privateKey = this.key = secretStream; - this.payload = new DataStream(opts.payload); - this.secret.once('close', function () { - if (!this.payload.writable && this.readable) - this.sign(); - }.bind(this)); - - this.payload.once('close', function () { - if (!this.secret.writable && this.readable) - this.sign(); - }.bind(this)); -} -util.inherits(SignStream, Stream); - -SignStream.prototype.sign = function sign() { - try { - var signature = jwsSign({ - header: this.header, - payload: this.payload.buffer, - secret: this.secret.buffer, - encoding: this.encoding - }); - this.emit('done', signature); - this.emit('data', signature); - this.emit('end'); - this.readable = false; - return signature; - } catch (e) { - this.readable = false; - this.emit('error', e); - this.emit('close'); - } -}; - -SignStream.sign = jwsSign; - -module.exports = SignStream; |