File: application/webfan/node_modules/webfan/navigator/WebkitWebfanStorage.js

/*
@copyright    (c) Till Wehowski - All rights reserved
@license      (Basic/EULA) http://look-up.webfan.de/webdof-license
@license      (Source Code Re-Usage) http://look-up.webfan.de/bsd-license
Copyright     (c) 2015, Till Wehowski All rights reserved.

@link         https://github.com/frdl/-Flow
*/

 
 (function() {
 	
 
  var WebkitWebfanStorage = function(options, register){
 
 
  var o = {
  	 prefix : '',
  	 user :null,
  	 pwd : null,
  	 ready : false,
  	 enc : function(val,options,store){
  	 	val=JSON.stringify(val);
  	 	if(true===options.crypt){
		   val=frdl.cipher.encrypt(options.pwd, val);
		}
	 	return val;
	 },
	 dec: function(val,options,store){
	 	try{
	 	  if('string'!== typeof val)return undefined;
  	 	  if(true===options.crypt){
		     val=frdl.cipher.decrypt(options.pwd, val);
		  }
	 	  val=JSON.parse(val);
	 	  return val;			
		}catch(err){
			return undefined;
		}

	 },
	 crypt : false,
	 loggedin : false
  };
  

  
  this.opt = function(){
	 var args = Array.prototype.slice.call(arguments);
	 if(1 === args.length && 'object' === typeof args[0]){
      	for(var k in args[0]){
		   o[k]=args[0][k];
	    }
	 	return this;
	 }else if(1 === args.length && 'string' === typeof args[0]){
	 	return o[args[0]];
	 }else if(2 === args.length && 'string' === typeof args[0]){
	 	o[args[0]] = args[1];
	 	return this;
	 }else if(0 === args.length){
	 	return {
	 	  prefix : o.prefix,	
	 	  user : o.user	,
	 	  crypt : o.crypt,
	 	  loggedin : o.loggedin,
	 	  ready : o.ready
	 	};
	 }else{
	 	return undefined;
	 }
	
 
  };

  this.enabled = function(verbose){
	var i = (typeof localStorage !=="undefined") ? true : false;
	if(true === verbose && false === i)console.warn('No local storage available!');
	return i;
  };  	

 	
 	
  this.pfx = function(PFX){
	if('string' !== typeof PFX){
		return o.prefix;
	}else{
		o.prefix=PFX;
		return this;
	}
  }; 

  this.clear = function(PFX){
	if(!this.enabled())return this;
	 localStorage.clear();
	return this;
  };  

  this.del = function(k){
	if(!this.enabled())return this;
  	localStorage.removeItem(o.prefix + k);
  	return this;
  };

  this.save = function (k,v) {
	if(!this.enabled())return this;
    localStorage.setItem(o.prefix + k, o.enc(v, o, this));
    return this;
  };

  this.load = function (k) {
	if(!this.enabled())return undefined;
    return o.dec(localStorage.getItem(o.prefix + k), o, this);
  };
 
 

 
   if('object'===typeof options){
  	for(var k in options){
		o[k]=options[k];
	}
  	this.enabled(true);
  	if(true===register && 'function'===typeof this.register)this.register();
  }	  	
 	
 	return Object.create(this);
};








 WebkitWebfanStorage.prototype.login = function(user, pwd, fN){
 	 var success = false;
  try{	 
 	 if('function'===typeof fN){
	 	success=(!!fN(user,pwd)) ? true : false;
	    
	 }else{
	 	 	if(true===this.opt('crypt')){
 		      var hash = frdl.$DB.load("frdl://$L/schema.info/DATABASE/"+this.pfx()+"hash");
 		      var check =Sha1.hash(frdl.Url().getScheme()+ frdl.Url().getHost()+ 'f 4 '+JSON.stringify(this.opt()));
            }else{
				var hash = null;
				var check = null;
			}
			
			success=(hash===check) ? true : false;
            
	 }
	 
	 if(true===success){
	 	this.user(user);
	 	this.pwd(pwd);
	 	
	 	this.opt('user', user);
	 	this.opt('pwd', pwd);
	 }
	 
     }catch(err){
	      success=false;
     }	 
	 
	 this.opt('loggedin', success);
	 return success;
 };
 
 
WebkitWebfanStorage.prototype.logout = function(){
 	 this.login(null, null, function(){
 	    return false;	
 	 });
	 return this;
};
 
 
 
 WebkitWebfanStorage.prototype.pwd = function(pwd, localK){
 	var _k = (!!localK) ? this.pfx() : ''; 
 	var k = "frdl://$L/schema.info/"+_k+"pwd/";
 	if('string' !== typeof pwd){
 	 return (sessionStorage.getItem(k)) ? sessionStorage.getItem(k) : false;
	}
	
	sessionStorage.setItem(k, pwd);
    return this;
 };
 
 WebkitWebfanStorage.prototype.user = function(user, localK){
 	var _k = (!!localK) ? this.pfx() : ''; 
 	var k = "frdl://$L/schema.info/"+_k+"user/";
 	if('string' !== typeof user){
 	 return (sessionStorage.getItem(k)) ? sessionStorage.getItem(k) : false;
	}
	
	sessionStorage.setItem(k, user);
    return this;
 };
  
 
 WebkitWebfanStorage.prototype.register = function(){
 	var store= this, l = false;
 	
 	if('undefined'===typeof frdl){
		return setTimeout(function(){
			store.register();
		},2);
	}
 	
 	 	if(true===this.opt('crypt')){
			/*  'http://'+HOST_API+'/cdn/frdl/flow/libraries/sjcl/sjcl.js'   */
			if('undefined'===typeof frdl.cipher && false === l){
				
				l = true;
			/*  	frdl.getScript('http://'+frdl.route('HOST_API')+'/cdn/frdl/flow/libraries/sjcl/sjcl.js', function(){
					store.opt('ready', true) ;
				},true,false);
				*/
				  require('sjcl/sjcl', function(mod) {
				  	
	                frdl.cipher = mod;
	                   
	                   store.opt('ready', true) ;
                  });
				store.opt('ready', true) ;
			}else{
				this.opt('ready', true) ;
			}
		}else{
			this.opt('ready', true) ;
		}	
 	
 	var k = "frdl://$L/schema.info/DATABASE/"+this.pfx()+"hash";
 	if(true===this.opt('crypt')){
 		if('undefined'!==typeof frdl)frdl.$DB.save(k, Sha1.hash(frdl.Url().getScheme()+ frdl.Url().getHost()+ 'f 4 '+JSON.stringify(this.opt())));
 	}
    return this;
 };
 
  
  
  
  
 /*
frdl.$S = module.exports = WebkitWebfanStorage;


frdl.$DB = new frdl.$S({
  	 prefix : 'frdl://$S/schema.info/',
  	 user :null,
	 crypt : false,
	 pwd :  null
}, false);
*/
  exports = module.exports = WebkitWebfanStorage;
  

 
}());