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mirror of http://git.whoc.org.uk/git/password-manager.git synced 2024-11-14 08:19:02 +01:00
password-manager-mirror/frontend/delta/js/Clipperz/PM/DataModel/EncryptedRemoteObject.js
Giulio Cesare Solaroli 132af87411 offline copy link and better feedback when saving
Added offline copy link (still rough UI) and improved feedback when performing tasks that would eventually save data (long operation)
2015-01-02 10:13:04 +01:00

547 lines
17 KiB
JavaScript

/*
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/.
*/
"use strict";
Clipperz.Base.module('Clipperz.PM.DataModel');
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;
if ((!this._isBrandNew) && ((this._retrieveRemoteDataFunction == null) && (this._remoteData == null))) {
Clipperz.Base.exception.raise('MandatoryParameter');
}
this._encryptedDataKeypath = args.encryptedDataKeypath || 'data';
this._encryptedVersionKeypath = args.encryptedVersionKeypath || 'version';
this._transientState = null;
this._deferredLocks = {};
if (this._isBrandNew == true) {
this._objectDataStore = new Clipperz.KeyValueObjectStore();
} 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();
}
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 () {
//console.log("EncryptedRemoteObject.hasLoadedRemoteData", this._remoteData);
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();
};
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) {
//console.log("EncryptedRemoteObject._getObjectDataStore", this._reference);
this._objectDataStore = new Clipperz.KeyValueObjectStore();
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()) {
//console.log("EncrypedRemoteObject.hasPendingChanges - isBrandNew");
deferredResult = this.hasPendingChangesWhenBrandNew();
} else if (this.hasInitiatedObjectDataStore()) {
//console.log("EncrypedRemoteObject.hasPendingChanges - hasInitiatedObjectDataStore == true");
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 {
//console.log("EncrypedRemoteObject.hasPendingChanges - hasInitiatedObjectDataStore == false");
deferredResult = MochiKit.Async.succeed(false);
}
return deferredResult;
},
'hasPendingChangesWhenBrandNew': function () {
return MochiKit.Async.succeed(true);
},
//-------------------------------------------------------------------------
'commitTransientState': function () {
var deferredResult;
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 () {
//console.log("> EncryptedRemoveObject.revertChanges", this.toString(), this.hasInitiatedObjectDataStore());
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, '_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"
});