diff options
Diffstat (limited to 'backend/node_modules/jws/lib')
-rw-r--r-- | backend/node_modules/jws/lib/data-stream.js | 55 | ||||
-rw-r--r-- | backend/node_modules/jws/lib/sign-stream.js | 78 | ||||
-rw-r--r-- | backend/node_modules/jws/lib/tostring.js | 10 | ||||
-rw-r--r-- | backend/node_modules/jws/lib/verify-stream.js | 120 |
4 files changed, 0 insertions, 263 deletions
diff --git a/backend/node_modules/jws/lib/data-stream.js b/backend/node_modules/jws/lib/data-stream.js deleted file mode 100644 index 3535d31..0000000 --- a/backend/node_modules/jws/lib/data-stream.js +++ /dev/null @@ -1,55 +0,0 @@ -/*global module, process*/ -var Buffer = require('safe-buffer').Buffer; -var Stream = require('stream'); -var util = require('util'); - -function DataStream(data) { - this.buffer = null; - this.writable = true; - this.readable = true; - - // No input - if (!data) { - this.buffer = Buffer.alloc(0); - return this; - } - - // Stream - if (typeof data.pipe === 'function') { - this.buffer = Buffer.alloc(0); - data.pipe(this); - return this; - } - - // Buffer or String - // or Object (assumedly a passworded key) - if (data.length || typeof data === 'object') { - this.buffer = data; - this.writable = false; - process.nextTick(function () { - this.emit('end', data); - this.readable = false; - this.emit('close'); - }.bind(this)); - return this; - } - - throw new TypeError('Unexpected data type ('+ typeof data + ')'); -} -util.inherits(DataStream, Stream); - -DataStream.prototype.write = function write(data) { - this.buffer = Buffer.concat([this.buffer, Buffer.from(data)]); - this.emit('data', data); -}; - -DataStream.prototype.end = function end(data) { - if (data) - this.write(data); - this.emit('end', data); - this.emit('close'); - this.writable = false; - this.readable = false; -}; - -module.exports = DataStream; 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; diff --git a/backend/node_modules/jws/lib/tostring.js b/backend/node_modules/jws/lib/tostring.js deleted file mode 100644 index f5a49a3..0000000 --- a/backend/node_modules/jws/lib/tostring.js +++ /dev/null @@ -1,10 +0,0 @@ -/*global module*/ -var Buffer = require('buffer').Buffer; - -module.exports = function toString(obj) { - if (typeof obj === 'string') - return obj; - if (typeof obj === 'number' || Buffer.isBuffer(obj)) - return obj.toString(); - return JSON.stringify(obj); -}; diff --git a/backend/node_modules/jws/lib/verify-stream.js b/backend/node_modules/jws/lib/verify-stream.js deleted file mode 100644 index 39f7c73..0000000 --- a/backend/node_modules/jws/lib/verify-stream.js +++ /dev/null @@ -1,120 +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'); -var JWS_REGEX = /^[a-zA-Z0-9\-_]+?\.[a-zA-Z0-9\-_]+?\.([a-zA-Z0-9\-_]+)?$/; - -function isObject(thing) { - return Object.prototype.toString.call(thing) === '[object Object]'; -} - -function safeJsonParse(thing) { - if (isObject(thing)) - return thing; - try { return JSON.parse(thing); } - catch (e) { return undefined; } -} - -function headerFromJWS(jwsSig) { - var encodedHeader = jwsSig.split('.', 1)[0]; - return safeJsonParse(Buffer.from(encodedHeader, 'base64').toString('binary')); -} - -function securedInputFromJWS(jwsSig) { - return jwsSig.split('.', 2).join('.'); -} - -function signatureFromJWS(jwsSig) { - return jwsSig.split('.')[2]; -} - -function payloadFromJWS(jwsSig, encoding) { - encoding = encoding || 'utf8'; - var payload = jwsSig.split('.')[1]; - return Buffer.from(payload, 'base64').toString(encoding); -} - -function isValidJws(string) { - return JWS_REGEX.test(string) && !!headerFromJWS(string); -} - -function jwsVerify(jwsSig, algorithm, secretOrKey) { - if (!algorithm) { - var err = new Error("Missing algorithm parameter for jws.verify"); - err.code = "MISSING_ALGORITHM"; - throw err; - } - jwsSig = toString(jwsSig); - var signature = signatureFromJWS(jwsSig); - var securedInput = securedInputFromJWS(jwsSig); - var algo = jwa(algorithm); - return algo.verify(securedInput, signature, secretOrKey); -} - -function jwsDecode(jwsSig, opts) { - opts = opts || {}; - jwsSig = toString(jwsSig); - - if (!isValidJws(jwsSig)) - return null; - - var header = headerFromJWS(jwsSig); - - if (!header) - return null; - - var payload = payloadFromJWS(jwsSig); - if (header.typ === 'JWT' || opts.json) - payload = JSON.parse(payload, opts.encoding); - - return { - header: header, - payload: payload, - signature: signatureFromJWS(jwsSig) - }; -} - -function VerifyStream(opts) { - opts = opts || {}; - var secretOrKey = opts.secret||opts.publicKey||opts.key; - var secretStream = new DataStream(secretOrKey); - this.readable = true; - this.algorithm = opts.algorithm; - this.encoding = opts.encoding; - this.secret = this.publicKey = this.key = secretStream; - this.signature = new DataStream(opts.signature); - this.secret.once('close', function () { - if (!this.signature.writable && this.readable) - this.verify(); - }.bind(this)); - - this.signature.once('close', function () { - if (!this.secret.writable && this.readable) - this.verify(); - }.bind(this)); -} -util.inherits(VerifyStream, Stream); -VerifyStream.prototype.verify = function verify() { - try { - var valid = jwsVerify(this.signature.buffer, this.algorithm, this.key.buffer); - var obj = jwsDecode(this.signature.buffer, this.encoding); - this.emit('done', valid, obj); - this.emit('data', valid); - this.emit('end'); - this.readable = false; - return valid; - } catch (e) { - this.readable = false; - this.emit('error', e); - this.emit('close'); - } -}; - -VerifyStream.decode = jwsDecode; -VerifyStream.isValid = isValidJws; -VerifyStream.verify = jwsVerify; - -module.exports = VerifyStream; |