author | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2014-06-02 11:39:16 (UTC) |
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committer | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2014-06-02 16:35:38 (UTC) |
commit | 0422224521f62da210d1ae6ee15ecdf09f47f1f8 (patch) (side-by-side diff) | |
tree | df7c0394fbcd1f8bc588ca8aab3ee83f5dc9f0cf /frontend/gamma/js | |
parent | 7fdb41fa2b1f621636882ad9059c1f3ecfb74083 (diff) | |
download | clipperz-0422224521f62da210d1ae6ee15ecdf09f47f1f8.zip clipperz-0422224521f62da210d1ae6ee15ecdf09f47f1f8.tar.gz clipperz-0422224521f62da210d1ae6ee15ecdf09f47f1f8.tar.bz2 |
Fixed authentication procedure for offline copy
-rw-r--r-- | frontend/gamma/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/frontend/gamma/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js b/frontend/gamma/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js index b806cb7..e5f68a8 100644 --- a/frontend/gamma/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js +++ b/frontend/gamma/js/Clipperz/PM/Proxy/Proxy.Offline.DataStore.js @@ -7,65 +7,65 @@ For further information about its features and functionalities please refer to http://www.clipperz.com. * Clipperz is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. * Clipperz is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License along with Clipperz. If not, see http://www.gnu.org/licenses/. */ try { if (typeof(Clipperz.PM.Proxy.Offline) == 'undefined') { throw ""; }} catch (e) { throw "Clipperz.PM.Proxy.Offline.DataStore depends on Clipperz.PM.Proxy.Offline!"; } //============================================================================= Clipperz.PM.Proxy.Offline.DataStore = function(args) { args = args || {}; this._data = args.data || (typeof(_clipperz_dump_data_) != 'undefined' ? _clipperz_dump_data_ : null); this._isReadOnly = (typeof(args.readOnly) == 'undefined' ? true : args.readOnly); this._shouldPayTolls = args.shouldPayTolls || false; this._tolls = {}; this._currentStaticConnection = null; - + return this; } Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.DataStore, Object, { //------------------------------------------------------------------------- 'isReadOnly': function () { return this._isReadOnly; }, //------------------------------------------------------------------------- 'shouldPayTolls': function() { return this._shouldPayTolls; }, //------------------------------------------------------------------------- 'data': function () { return this._data; }, //------------------------------------------------------------------------- 'tolls': function () { return this._tolls; }, //========================================================================= 'resetData': function() { @@ -262,125 +262,140 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.Offline.DataStore, Object, { //========================================================================= '_knock': function(aConnection, someParameters) { var result; result = { toll: this.getTollForRequestType(someParameters['requestType']) } return result; }, //------------------------------------------------------------------------- '_registration': function(aConnection, someParameters) { if (this.isReadOnly() == false) { if (typeof(this.data()['users'][someParameters['credentials']['C']]) == 'undefined') { this.data()['users'][someParameters['credentials']['C']] = { 's': someParameters['credentials']['s'], 'v': someParameters['credentials']['v'], 'version': someParameters['credentials']['version'], // 'lock': Clipperz.Crypto.Base.generateRandomSeed(), 'userDetails': someParameters['user']['header'], 'statistics': someParameters['user']['statistics'], 'userDetailsVersion': someParameters['user']['version'], 'records': {} } } else { throw "user already exists"; } } else { - throw Clipperz.PM.Proxy.Offline.DataStore.exception.ReadOnly; + throw Clipperz.PM.Proxy.Offline.DataStore.exception.ReadOnly; } result = { result: { 'lock': this.data()['users'][someParameters['credentials']['C']]['lock'], 'result': 'done' - }, + }, toll: this.getTollForRequestType('CONNECT') } return result; }, //------------------------------------------------------------------------- '_handshake': function(aConnection, someParameters) { var result; var nextTollRequestType; result = {}; if (someParameters.message == "connect") { var userData; var randomBytes; var v; userData = this.data()['users'][someParameters.parameters.C]; if ((typeof(userData) != 'undefined') && (userData['version'] == someParameters.version)) { aConnection['userData'] = userData; aConnection['C'] = someParameters.parameters.C; } else { aConnection['userData'] = this.data()['users']['catchAllUser']; } randomBytes = Clipperz.Crypto.Base.generateRandomSeed(); aConnection['b'] = new Clipperz.Crypto.BigInt(randomBytes, 16); v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16); - aConnection['B'] = v.add(Clipperz.Crypto.SRP.g().powerModule(aConnection['b'], Clipperz.Crypto.SRP.n())); + aConnection['B'] = (Clipperz.Crypto.SRP.k().multiply(v)).add(Clipperz.Crypto.SRP.g().powerModule(aConnection['b'], Clipperz.Crypto.SRP.n())); aConnection['A'] = someParameters.parameters.A; result['s'] = aConnection['userData']['s']; result['B'] = aConnection['B'].asString(16); nextTollRequestType = 'CONNECT'; } else if (someParameters.message == "credentialCheck") { - var v, u, S, A, K, M1; - + var v, u, s, S, A, K, M1; + var stringHash = function (aValue) { + return Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(aValue)).toHexString().substring(2); + }; + v = new Clipperz.Crypto.BigInt(aConnection['userData']['v'], 16); - u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(aConnection['B'].asString(10))).toHexString(), 16); A = new Clipperz.Crypto.BigInt(aConnection['A'], 16); + u = new Clipperz.Crypto.BigInt(Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + aConnection['B'].asString(10))).toHexString(), 16); + s = new Clipperz.Crypto.BigInt(aConnection['userData']['s'], 16); S = (A.multiply(v.powerModule(u, Clipperz.Crypto.SRP.n()))).powerModule(aConnection['b'], Clipperz.Crypto.SRP.n()); - K = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(S.asString(10))).toHexString().slice(2); + K = stringHash(S.asString(10)); - M1 = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + aConnection['B'].asString(10) + K)).toHexString().slice(2); + M1 = stringHash( + "597626870978286801440197562148588907434001483655788865609375806439877501869636875571920406529" + + stringHash(aConnection['C']) + + s.asString(10) + + A.asString(10) + + aConnection['B'].asString(10) + + K + ); if (someParameters.parameters.M1 == M1) { var M2; - M2 = Clipperz.PM.Crypto.encryptingFunctions.versions[someParameters.version].hash(new Clipperz.ByteArray(A.asString(10) + someParameters.parameters.M1 + K)).toHexString().slice(2); + M2 = stringHash( + A.asString(10) + + someParameters.parameters.M1 + + K + ); result['M2'] = M2; } else { throw new Error("Client checksum verification failed! Expected <" + M1 + ">, received <" + someParameters.parameters.M1 + ">.", "Error"); } nextTollRequestType = 'MESSAGE'; } else if (someParameters.message == "oneTimePassword") { var otpData; otpData = this.data()['onetimePasswords'][someParameters.parameters.oneTimePasswordKey]; try { if (typeof(otpData) != 'undefined') { if (otpData['status'] == 'ACTIVE') { if (otpData['key_checksum'] == someParameters.parameters.oneTimePasswordKeyChecksum) { result = { 'data': otpData['data'], 'version': otpData['version'] } otpData['status'] = 'REQUESTED'; } else { otpData['status'] = 'DISABLED'; throw "The requested One Time Password has been disabled, due to a wrong keyChecksum"; } } else { throw "The requested One Time Password was not active"; } } else { throw "The requested One Time Password has not been found" } } catch (exception) { |