diff options
Diffstat (limited to 'backend/node_modules/jsonwebtoken/verify.js')
-rw-r--r-- | backend/node_modules/jsonwebtoken/verify.js | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/backend/node_modules/jsonwebtoken/verify.js b/backend/node_modules/jsonwebtoken/verify.js deleted file mode 100644 index cdbfdc4..0000000 --- a/backend/node_modules/jsonwebtoken/verify.js +++ /dev/null @@ -1,263 +0,0 @@ -const JsonWebTokenError = require('./lib/JsonWebTokenError'); -const NotBeforeError = require('./lib/NotBeforeError'); -const TokenExpiredError = require('./lib/TokenExpiredError'); -const decode = require('./decode'); -const timespan = require('./lib/timespan'); -const validateAsymmetricKey = require('./lib/validateAsymmetricKey'); -const PS_SUPPORTED = require('./lib/psSupported'); -const jws = require('jws'); -const {KeyObject, createSecretKey, createPublicKey} = require("crypto"); - -const PUB_KEY_ALGS = ['RS256', 'RS384', 'RS512']; -const EC_KEY_ALGS = ['ES256', 'ES384', 'ES512']; -const RSA_KEY_ALGS = ['RS256', 'RS384', 'RS512']; -const HS_ALGS = ['HS256', 'HS384', 'HS512']; - -if (PS_SUPPORTED) { - PUB_KEY_ALGS.splice(PUB_KEY_ALGS.length, 0, 'PS256', 'PS384', 'PS512'); - RSA_KEY_ALGS.splice(RSA_KEY_ALGS.length, 0, 'PS256', 'PS384', 'PS512'); -} - -module.exports = function (jwtString, secretOrPublicKey, options, callback) { - if ((typeof options === 'function') && !callback) { - callback = options; - options = {}; - } - - if (!options) { - options = {}; - } - - //clone this object since we are going to mutate it. - options = Object.assign({}, options); - - let done; - - if (callback) { - done = callback; - } else { - done = function(err, data) { - if (err) throw err; - return data; - }; - } - - if (options.clockTimestamp && typeof options.clockTimestamp !== 'number') { - return done(new JsonWebTokenError('clockTimestamp must be a number')); - } - - if (options.nonce !== undefined && (typeof options.nonce !== 'string' || options.nonce.trim() === '')) { - return done(new JsonWebTokenError('nonce must be a non-empty string')); - } - - if (options.allowInvalidAsymmetricKeyTypes !== undefined && typeof options.allowInvalidAsymmetricKeyTypes !== 'boolean') { - return done(new JsonWebTokenError('allowInvalidAsymmetricKeyTypes must be a boolean')); - } - - const clockTimestamp = options.clockTimestamp || Math.floor(Date.now() / 1000); - - if (!jwtString){ - return done(new JsonWebTokenError('jwt must be provided')); - } - - if (typeof jwtString !== 'string') { - return done(new JsonWebTokenError('jwt must be a string')); - } - - const parts = jwtString.split('.'); - - if (parts.length !== 3){ - return done(new JsonWebTokenError('jwt malformed')); - } - - let decodedToken; - - try { - decodedToken = decode(jwtString, { complete: true }); - } catch(err) { - return done(err); - } - - if (!decodedToken) { - return done(new JsonWebTokenError('invalid token')); - } - - const header = decodedToken.header; - let getSecret; - - if(typeof secretOrPublicKey === 'function') { - if(!callback) { - return done(new JsonWebTokenError('verify must be called asynchronous if secret or public key is provided as a callback')); - } - - getSecret = secretOrPublicKey; - } - else { - getSecret = function(header, secretCallback) { - return secretCallback(null, secretOrPublicKey); - }; - } - - return getSecret(header, function(err, secretOrPublicKey) { - if(err) { - return done(new JsonWebTokenError('error in secret or public key callback: ' + err.message)); - } - - const hasSignature = parts[2].trim() !== ''; - - if (!hasSignature && secretOrPublicKey){ - return done(new JsonWebTokenError('jwt signature is required')); - } - - if (hasSignature && !secretOrPublicKey) { - return done(new JsonWebTokenError('secret or public key must be provided')); - } - - if (!hasSignature && !options.algorithms) { - return done(new JsonWebTokenError('please specify "none" in "algorithms" to verify unsigned tokens')); - } - - if (secretOrPublicKey != null && !(secretOrPublicKey instanceof KeyObject)) { - try { - secretOrPublicKey = createPublicKey(secretOrPublicKey); - } catch (_) { - try { - secretOrPublicKey = createSecretKey(typeof secretOrPublicKey === 'string' ? Buffer.from(secretOrPublicKey) : secretOrPublicKey); - } catch (_) { - return done(new JsonWebTokenError('secretOrPublicKey is not valid key material')) - } - } - } - - if (!options.algorithms) { - if (secretOrPublicKey.type === 'secret') { - options.algorithms = HS_ALGS; - } else if (['rsa', 'rsa-pss'].includes(secretOrPublicKey.asymmetricKeyType)) { - options.algorithms = RSA_KEY_ALGS - } else if (secretOrPublicKey.asymmetricKeyType === 'ec') { - options.algorithms = EC_KEY_ALGS - } else { - options.algorithms = PUB_KEY_ALGS - } - } - - if (options.algorithms.indexOf(decodedToken.header.alg) === -1) { - return done(new JsonWebTokenError('invalid algorithm')); - } - - if (header.alg.startsWith('HS') && secretOrPublicKey.type !== 'secret') { - return done(new JsonWebTokenError((`secretOrPublicKey must be a symmetric key when using ${header.alg}`))) - } else if (/^(?:RS|PS|ES)/.test(header.alg) && secretOrPublicKey.type !== 'public') { - return done(new JsonWebTokenError((`secretOrPublicKey must be an asymmetric key when using ${header.alg}`))) - } - - if (!options.allowInvalidAsymmetricKeyTypes) { - try { - validateAsymmetricKey(header.alg, secretOrPublicKey); - } catch (e) { - return done(e); - } - } - - let valid; - - try { - valid = jws.verify(jwtString, decodedToken.header.alg, secretOrPublicKey); - } catch (e) { - return done(e); - } - - if (!valid) { - return done(new JsonWebTokenError('invalid signature')); - } - - const payload = decodedToken.payload; - - if (typeof payload.nbf !== 'undefined' && !options.ignoreNotBefore) { - if (typeof payload.nbf !== 'number') { - return done(new JsonWebTokenError('invalid nbf value')); - } - if (payload.nbf > clockTimestamp + (options.clockTolerance || 0)) { - return done(new NotBeforeError('jwt not active', new Date(payload.nbf * 1000))); - } - } - - if (typeof payload.exp !== 'undefined' && !options.ignoreExpiration) { - if (typeof payload.exp !== 'number') { - return done(new JsonWebTokenError('invalid exp value')); - } - if (clockTimestamp >= payload.exp + (options.clockTolerance || 0)) { - return done(new TokenExpiredError('jwt expired', new Date(payload.exp * 1000))); - } - } - - if (options.audience) { - const audiences = Array.isArray(options.audience) ? options.audience : [options.audience]; - const target = Array.isArray(payload.aud) ? payload.aud : [payload.aud]; - - const match = target.some(function (targetAudience) { - return audiences.some(function (audience) { - return audience instanceof RegExp ? audience.test(targetAudience) : audience === targetAudience; - }); - }); - - if (!match) { - return done(new JsonWebTokenError('jwt audience invalid. expected: ' + audiences.join(' or '))); - } - } - - if (options.issuer) { - const invalid_issuer = - (typeof options.issuer === 'string' && payload.iss !== options.issuer) || - (Array.isArray(options.issuer) && options.issuer.indexOf(payload.iss) === -1); - - if (invalid_issuer) { - return done(new JsonWebTokenError('jwt issuer invalid. expected: ' + options.issuer)); - } - } - - if (options.subject) { - if (payload.sub !== options.subject) { - return done(new JsonWebTokenError('jwt subject invalid. expected: ' + options.subject)); - } - } - - if (options.jwtid) { - if (payload.jti !== options.jwtid) { - return done(new JsonWebTokenError('jwt jwtid invalid. expected: ' + options.jwtid)); - } - } - - if (options.nonce) { - if (payload.nonce !== options.nonce) { - return done(new JsonWebTokenError('jwt nonce invalid. expected: ' + options.nonce)); - } - } - - if (options.maxAge) { - if (typeof payload.iat !== 'number') { - return done(new JsonWebTokenError('iat required when maxAge is specified')); - } - - const maxAgeTimestamp = timespan(options.maxAge, payload.iat); - if (typeof maxAgeTimestamp === 'undefined') { - return done(new JsonWebTokenError('"maxAge" should be a number of seconds or string representing a timespan eg: "1d", "20h", 60')); - } - if (clockTimestamp >= maxAgeTimestamp + (options.clockTolerance || 0)) { - return done(new TokenExpiredError('maxAge exceeded', new Date(maxAgeTimestamp * 1000))); - } - } - - if (options.complete === true) { - const signature = decodedToken.signature; - - return done(null, { - header: header, - payload: payload, - signature: signature - }); - } - - return done(null, payload); - }); -}; |