Diffstat (limited to 'frontend/delta/js/Clipperz/PM/DataModel/EncryptedRemoteObject.js') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | frontend/delta/js/Clipperz/PM/DataModel/EncryptedRemoteObject.js | 542 |
1 files changed, 542 insertions, 0 deletions
diff --git a/frontend/delta/js/Clipperz/PM/DataModel/EncryptedRemoteObject.js b/frontend/delta/js/Clipperz/PM/DataModel/EncryptedRemoteObject.js new file mode 100644 index 0000000..1aa7a52 --- a/dev/null +++ b/frontend/delta/js/Clipperz/PM/DataModel/EncryptedRemoteObject.js @@ -0,0 +1,542 @@ +/* + +Copyright 2008-2013 Clipperz Srl + +This file is part of Clipperz, the online password manager. +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.KeyValueObjectStore) == 'undefined') { throw ""; }} catch (e) { + throw "Clipperz.PM.DataModel.EncryptedRemoteObject depends on Clipperz.KeyValueObjectStore!"; +} + +if (typeof(Clipperz.PM) == 'undefined') { Clipperz.PM = {}; } +if (typeof(Clipperz.PM.DataModel) == 'undefined') { Clipperz.PM.DataModel = {}; } + +Clipperz.PM.DataModel.EncryptedRemoteObject = function(args) { + args = args || {}; + + this._name = args.name || null; + this._reference = args.reference || Clipperz.PM.Crypto.randomKey(); + this._isBrandNew = ((args.reference == null) && (args.remoteData == null)); + + if ((this._isBrandNew == false) && (args['retrieveKeyFunction'] == null)) { + Clipperz.Base.exception.raise('MandatoryParameter'); + } else { + this._retrieveKeyFunction = args['retrieveKeyFunction']; + } + + this._retrieveRemoteDataFunction = args.retrieveRemoteDataFunction || null; + this._remoteData = args.remoteData || null; +// this._remoteData = args.remoteData ? Clipperz.Base.deepClone(args.remoteData) : null; + if ((!this._isBrandNew) && ((this._retrieveRemoteDataFunction == null) && (this._remoteData == null))) { + Clipperz.Base.exception.raise('MandatoryParameter'); + } + + + this._encryptedDataKeypath = args.encryptedDataKeypath || 'data'; //Clipperz.Base.exception.raise('MandatoryParameter'); + this._encryptedVersionKeypath = args.encryptedVersionKeypath || 'version'; //Clipperz.Base.exception.raise('MandatoryParameter'); + + + this._transientState = null; + this._deferredLocks = {}; + + if (this._isBrandNew == true) { + this._objectDataStore = new Clipperz.KeyValueObjectStore(/*{'name':'EncryptedRemoteObject.objectDataStore [1]'}*/); + } else { + this._objectDataStore = null; + } + + return this; +} + +// +// Basic data workflow +// ======================= +// +// getRemoteData +// unpackRemoteData +// getDecryptData [encryptedDataKeypath, encryptedVersionKeypath] +// unpackData +// +// +// ?? packData +// ?? encryptDataWithKey +// ?? packRemoteData [encryptedDataKeypath (?), encryptedVersionKeypath (?)] +// + +Clipperz.PM.DataModel.EncryptedRemoteObject.prototype = MochiKit.Base.update(null, { + + 'toString': function () { + return "Clipperz.PM.DataModel.EncryptedRemoteObject" + (this.name() != null ? " - " + this.name() : ""); + }, + + //------------------------------------------------------------------------- + + 'name': function () { + return this._name; + }, + + //------------------------------------------------------------------------- + + 'reference': function () { + return this._reference; + }, + + 'setReference': function (aValue) { + this._reference = aValue; + + return this._reference; + }, + + //------------------------------------------------------------------------- + + 'transientState': function () { + if (this._transientState == null) { + this._transientState = new Clipperz.KeyValueObjectStore(/*{'name':'EncryptedRemoteObject.transientState [2]'}*/); + } + + return this._transientState; + }, + + 'resetTransientState': function (isCommitting) { + if (this._transientState != null) { + this._transientState.removeAllData(); + } + + this._transientState = null; + }, + + //------------------------------------------------------------------------- + + 'isBrandNew': function () { + return this._isBrandNew; + }, + + //------------------------------------------------------------------------- + + 'getKey': function () { + var deferredResult; + var deferredLock; + + deferredLock = this.getDeferredLockForKey('key'); + + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject.getKey", {trace:false}); + deferredResult.acquireLock(deferredLock); + deferredResult.addMethod( + this.decryptedDataStore(), + 'deferredGetOrSet', + 'decryptionKey', + MochiKit.Base.partial(this.retrieveKeyFunction(), this.reference()) + ); + deferredResult.releaseLock(deferredLock); + deferredResult.callback(); + + return deferredResult; + }, + + // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + + 'retrieveKeyFunction': function () { + return this._retrieveKeyFunction; + }, + + 'setRetrieveKeyFunction': function (aFunction) { + this._retrieveKeyFunction = aFunction; + }, + + //------------------------------------------------------------------------- + + 'hasLoadedRemoteData': function () { + return (this._remoteData != null); + }, + + 'getRemoteData': function () { + var deferredResult; + var deferredLock; + + deferredLock = this.getDeferredLockForKey('remoteData'); + + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObjects.getRemoteData", {trace:false}); + deferredResult.acquireLock(deferredLock); + deferredResult.addCallback(MochiKit.Base.bind(function () { + var innerDeferredResult; + + if (this._remoteData != null) { + innerDeferredResult = MochiKit.Async.succeed(this._remoteData); + } else { + innerDeferredResult = Clipperz.Async.callbacks("EncryptedRemoteObjects.getRemoteData <inner deferred>", [ + MochiKit.Base.partial(this.retrieveRemoteDataFunction(), this.reference()), + MochiKit.Base.method(this, 'unpackRemoteData'), + MochiKit.Base.bind(function (someData) { + this._remoteData = someData; + return this._remoteData; + }, this) + ], {trace:false}); + } + + return innerDeferredResult; + }, this)) + deferredResult.addCallbackPass(MochiKit.Signal.signal, Clipperz.Signal.NotificationCenter, 'advanceProgress'); + deferredResult.releaseLock(deferredLock); + + deferredResult.callback(); + + return deferredResult; + }, + + //------------------------------------------------------------------------- + + 'unpackRemoteData': function (someData) { + return MochiKit.Async.succeed(someData); + }, + + //......................................................................... + + 'packRemoteData': function (someData) { + var result; + + result = { + 'reference': this.reference(), + 'data': someData, + 'version': Clipperz.PM.Crypto.encryptingFunctions.currentVersion + }; + + return MochiKit.Async.succeed(result); + }, + + //------------------------------------------------------------------------- + + 'retrieveRemoteDataFunction': function () { + return this._retrieveRemoteDataFunction; + }, + + 'setRetrieveRemoteDataFunction': function (aFunction) { + this._retrieveRemoteDataFunction = aFunction; + }, + + //------------------------------------------------------------------------- + + 'decryptedDataStore': function () { + if (this._decryptedDataStore == null) { + this._decryptedDataStore = new Clipperz.KeyValueObjectStore(/*{'name':'EncryptedRemoteObject.decryptedDataStore [3]'}*/); + }; + + return this._decryptedDataStore; + }, + + //......................................................................... + + 'getDecryptedData': function () { + var deferredResult; + var deferredLock; + + deferredLock = this.getDeferredLockForKey('decryptedData'); + + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject.getDecryptedData", {trace:false}); + deferredResult.acquireLock(deferredLock); + deferredResult.addMethod(this, 'decryptedDataStore'); + deferredResult.addCallback(MochiKit.Base.methodcaller('deferredGetOrSet', 'decryptedData', MochiKit.Base.bind(function () { + var innerDeferredResult; + + innerDeferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject.getDecryptedData <inner deferred>", {trace:false}); + + innerDeferredResult.addMethod(this, 'getRemoteData'); + innerDeferredResult.addCallbackPass(MochiKit.Signal.signal, Clipperz.Signal.NotificationCenter, 'advanceProgress'); + innerDeferredResult.collectResults({ + 'key': MochiKit.Base.method(this, 'getKey'), + 'value': MochiKit.Base.itemgetter(this._encryptedDataKeypath), + 'version': MochiKit.Base.itemgetter(this._encryptedVersionKeypath) + }); + + innerDeferredResult.addCallback(Clipperz.PM.Crypto.deferredDecrypt); + innerDeferredResult.addCallbackPass(MochiKit.Signal.signal, Clipperz.Signal.NotificationCenter, 'advanceProgress'); + innerDeferredResult.addMethod(this, 'unpackData'); + innerDeferredResult.callback(); + + return innerDeferredResult; + }, this))); + deferredResult.releaseLock(deferredLock); + deferredResult.addCallbackPass(MochiKit.Signal.signal, Clipperz.Signal.NotificationCenter, 'advanceProgress'); + deferredResult.callback(); + + return deferredResult; + }, + + //------------------------------------------------------------------------- + + 'setValue': function(aKey, aValue) { + var deferredResult; + + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject.setValue", {trace:false}); + deferredResult.addMethod(this, '_getObjectDataStore'); + deferredResult.addCallback(MochiKit.Base.methodcaller('setValue', aKey, aValue)); + deferredResult.callback(); + + return deferredResult; + }, + + //......................................................................... + + 'getValue': function (aKey) { + return Clipperz.Async.callbacks("EncryptedRemoteObject.getValue", [ + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('getValue', aKey) + ], {trace:false}); + }, + + //......................................................................... + + 'removeValue': function (aKey) { + return Clipperz.Async.callbacks("EncryptedRemoteObject.removeValue", [ + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('removeValue', aKey) + ], {trace:false}); + }, + + //......................................................................... + + 'values': function () { + return Clipperz.Async.callbacks("EncryptedRemoteObject.values", [ + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('values') + ], {trace:false}); + }, + + 'setValues': function (someValues) { + return Clipperz.Async.callbacks("EncryptedRemoteObject.values", [ + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('setValues', someValues) + ], {trace:false}); + }, + + //......................................................................... + + '_getObjectDataStore': function () { + var deferredResult; + var deferredLock; + + deferredLock = this.getDeferredLockForKey('objectDataStore'); + + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject._getObjectDataStore", {trace:false}); + deferredResult.acquireLock(deferredLock); + deferredResult.addCallback(MochiKit.Base.bind(function () { + var innerDeferredResult; + + if (this._objectDataStore == null) { + this._objectDataStore = new Clipperz.KeyValueObjectStore(/*{'name':'EncryptedRemoteObject.objectDataStore [4]'}*/); + + innerDeferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject._getObjectDataStore <inner deferred>", {trace:false}); + innerDeferredResult.addMethod(this, 'getDecryptedData'); + innerDeferredResult.addMethod(this._objectDataStore, 'initWithValues'); + innerDeferredResult.callback(); + } else { + innerDeferredResult = MochiKit.Async.succeed(this._objectDataStore); + } + + return innerDeferredResult; + }, this)); + deferredResult.releaseLock(deferredLock); + deferredResult.callback(); + + return deferredResult; + }, + + 'hasInitiatedObjectDataStore': function () { + return (this._objectDataStore != null); + }, + + //------------------------------------------------------------------------- + + 'getDeferredLockForKey': function (aKey) { + var result; + + result = this._deferredLocks[aKey]; + + if (typeof(result) == 'undefined') { + result = new MochiKit.Async.DeferredLock(); + this._deferredLocks[aKey] = result; + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'unpackData': function (someData) { // ++ + return someData; + }, + + 'packData': function (someData) { // ++ + return someData; + }, + + //------------------------------------------------------------------------- + + 'hasPendingChanges': function () { + var deferredResult; + var tempObj = this; + + if (this.isBrandNew()) { +// deferredResult = MochiKit.Async.succeed(true); + deferredResult = this.hasPendingChangesWhenBrandNew(); + } else if (this.hasInitiatedObjectDataStore()) { + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject.hasPendingChanges", {trace:false}); + deferredResult.collectResults({ + 'decryptedData': [ + MochiKit.Base.method(this, 'getDecryptedData'), + Clipperz.Base.serializeJSON + ], + 'objectData': [ + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('values'), + Clipperz.Base.serializeJSON + ] + }); + deferredResult.addCallback(function (someValues) { + return (someValues['decryptedData'] != someValues['objectData']); + }); + deferredResult.callback(); + } else { + deferredResult = MochiKit.Async.succeed(false); + } + + return deferredResult; + }, + + 'hasPendingChangesWhenBrandNew': function () { + return MochiKit.Async.succeed(true); + }, + + //------------------------------------------------------------------------- + + 'commitTransientState': function () { + var deferredResult; + +// if (this.transientState().getValue('__prepareRemoteData') == true) { + if (this.transientState().getValue('packedRemoteData') != null) { + deferredResult = Clipperz.Async.callbacks("EncryptedRemoteObject.commitTransientState - prepareRemoteData", [ + MochiKit.Base.bind(function (someData) { + this._remoteData = this.transientState().getValue('packedRemoteData'); + }, this), + + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('values'), + Clipperz.Base.deepClone, + MochiKit.Base.method(this.decryptedDataStore(), 'setValue', 'decryptedData'), + + MochiKit.Base.method(this, 'resetTransientState', true) + ], {trace:false}); + + } else { + deferredResult = Clipperz.Async.callbacks("EncryptedRemoteObject.commitTransientState - NO prepareRemoteData", [ + MochiKit.Base.method(this, 'resetTransientState', true) + ], {trace:false}); + } + + this._isBrandNew = false; + + return deferredResult; + }, + + //------------------------------------------------------------------------- + + 'revertChanges': function () { + if (this.hasInitiatedObjectDataStore()) { + this._objectDataStore.removeAllData(); + this._objectDataStore = null; + } + this.resetTransientState(false); + + return MochiKit.Async.succeed(); + }, + + //------------------------------------------------------------------------- + + 'deleteAllCleanTextData': function () { + var deferredResult; + + deferredResult = new Clipperz.Async.Deferred("EncryptedRemoteObject.deleteAllCleanTextData", {trace:false}); + + deferredResult.addMethod(this, 'resetTransientState', false); + + deferredResult.acquireLock(this.getDeferredLockForKey('decryptedData')); + deferredResult.addCallback(MochiKit.Base.bind(function () { + if (this._decryptedDataStore != null) { + this._decryptedDataStore.removeAllData(); + } + }, this)); + deferredResult.releaseLock(this.getDeferredLockForKey('decryptedData')); + + deferredResult.acquireLock(this.getDeferredLockForKey('objectDataStore')); + deferredResult.addCallback(MochiKit.Base.bind(function () { + if (this._objectDataStore != null) { + this._objectDataStore.removeAllData(); + this._objectDataStore = null; + } + }, this)); + deferredResult.releaseLock(this.getDeferredLockForKey('objectDataStore')); + + deferredResult.callback(); + + return deferredResult; + }, + + //......................................................................... + + 'hasAnyCleanTextData': function () { + var result; + + result = false; + + result = result || (! this.decryptedDataStore().isEmpty()); + result = result || (! this.transientState().isEmpty()); + if (this.hasInitiatedObjectDataStore()) { + result = result || (! this._objectDataStore.isEmpty()); + } + + return MochiKit.Async.succeed(result); + }, + + //------------------------------------------------------------------------- + + 'prepareRemoteDataWithKey': function (aKey) { + return Clipperz.Async.callbacks("EncryptedRemoteObject.prepareRemoteDataWithKey", [ +// MochiKit.Base.method(this.transientState(), 'setValue', '__prepareRemoteData', true), + MochiKit.Base.method(this, '_getObjectDataStore'), + MochiKit.Base.methodcaller('values'), + MochiKit.Base.method(this, 'packData'), + function (someData) { + return Clipperz.PM.Crypto.deferredEncrypt({ + 'key': aKey, + 'value': someData, + 'version': Clipperz.PM.Crypto.encryptingFunctions.currentVersion + }) + }, + MochiKit.Base.method(this, 'packRemoteData'), + MochiKit.Base.method(this.transientState(), 'setValue', 'packedRemoteData'), + function (someData) { + MochiKit.Signal.signal(Clipperz.Signal.NotificationCenter, 'advanceProgress'); + return someData; + } + ], {trace:false}); + }, + + //------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); |