First release of /delta version

frontend/delta/js/Clipperz/PM/Proxy.js

@@ -0,0 +1,186 @@
+/*
+
+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/.
+
+*/
+
+if (typeof(Clipperz) == 'undefined') { Clipperz = {}; }
+if (typeof(Clipperz.PM) == 'undefined') { Clipperz.PM = {}; }
+
+//=============================================================================
+
+Clipperz.PM.Proxy = function(args) {
+	args = args || {};
+
+	this._shouldPayTolls = args.shouldPayTolls || false;
+
+	this._tolls = {
+		'CONNECT':	[],
+		'REGISTER':	[],
+		'MESSAGE':	[]
+	};
+
+	if (args.isDefault === true) {
+		Clipperz.PM.Proxy.defaultProxy = this;
+	}
+
+	return this;
+}
+
+Clipperz.PM.Proxy.prototype = MochiKit.Base.update(null, {
+
+	'toString': function() {
+		return "Clipperz.PM.Proxy";
+	},
+
+	//=========================================================================
+
+	'shouldPayTolls': function() {
+		return this._shouldPayTolls;
+	},
+
+	//-------------------------------------------------------------------------
+
+	'tolls': function() {
+		return this._tolls;
+	},
+
+	//-------------------------------------------------------------------------
+
+	'payToll': function(aRequestType, someParameters) {
+		var	deferredResult;
+
+		if (this.shouldPayTolls()) {
+			deferredResult = new Clipperz.Async.Deferred("Proxy.payToll", {trace:false});
+
+			if (this.tolls()[aRequestType].length == 0) {
+				deferredResult.addMethod(this, 'sendMessage', 'knock', {requestType:aRequestType});
+				deferredResult.addMethod(this, 'setTollCallback');
+			}
+			deferredResult.addMethod(this.tolls()[aRequestType], 'pop');
+			deferredResult.addCallback(MochiKit.Base.methodcaller('deferredPay'));
+			deferredResult.addCallback(function(aToll) {
+				var result;
+
+				result = {
+					parameters: someParameters,
+					toll: aToll
+				}
+		
+				return result;
+			});
+		
+			deferredResult.callback();
+		} else {
+			deferredResult = MochiKit.Async.succeed({parameters:someParameters});
+		}
+
+		return deferredResult;
+	},
+
+	//-------------------------------------------------------------------------
+
+	'addToll': function(aToll) {
+		this.tolls()[aToll.requestType()].push(aToll);
+	},
+
+	//=========================================================================
+
+	'setTollCallback': function(someParameters) {
+		if (typeof(someParameters['toll']) != 'undefined') {
+			this.addToll(new Clipperz.PM.Toll(someParameters['toll']));
+		}
+
+		return someParameters['result'];
+	},
+
+	//=========================================================================
+
+	'registration': function (someParameters) {
+		return this.processMessage('registration', someParameters, 'REGISTER');
+	},
+
+	'handshake': function (someParameters) {
+		return this.processMessage('handshake', someParameters, 'CONNECT');
+	},
+
+	'message': function (someParameters) {
+		return this.processMessage('message', someParameters, 'MESSAGE');
+	},
+
+	'logout': function (someParameters) {
+		return this.processMessage('logout', someParameters, 'MESSAGE');
+	},
+
+	//=========================================================================
+
+	'processMessage': function (aFunctionName, someParameters, aRequestType) {
+		var	deferredResult;
+
+		deferredResult = new Clipperz.Async.Deferred("Proxy.processMessage", {trace:false});
+		deferredResult.addMethod(this, 'payToll', aRequestType);
+		deferredResult.addMethod(this, 'sendMessage', aFunctionName);
+		deferredResult.addMethod(this, 'setTollCallback');
+		deferredResult.callback(someParameters);
+		
+		return deferredResult;		
+	},
+
+	//=========================================================================
+
+	'_sendMessage': function (aFunctionName, aVersion, someParameters) {
+		throw Clipperz.Base.exception.AbstractMethod;		
+	},
+
+	'sendMessage': function (aFunctionName, someParameters) {
+		var deferredResult;
+
+//	TODO: read actual application version for a property set at build time
+		deferredResult = new Clipperz.Async.Deferred("Proxy.sendMessage", {trace:false});
+		deferredResult.addMethod(this, '_sendMessage', aFunctionName, 'fake-app-version');
+		deferredResult.addErrback(MochiKit.Base.method(this, 'handleError'));
+		deferredResult.callback(someParameters);
+		
+		return deferredResult;		
+	},
+
+	//-------------------------------------------------------------------------
+
+	'handleError': function (anError) {
+		if (anError['message'] == 'Wrong application version') {
+			anError['isPermanent'] = true;
+		}
+		return anError;
+	},
+
+	//=========================================================================
+
+	'isReadOnly': function () {
+		return false;
+	},
+
+	'canRegisterNewUsers': function () {
+		return true;
+	},
+
+	//=========================================================================
+	__syntaxFix__: "syntax fix"
+	
+});