libs/cbi: add datatype validators for upcoming client side field validation

libs/cbi/htdocs/luci-static/resources/cbi.js

@@ -17,6 +17,155 @@ var cbi_d = [];
 var cbi_t = [];
 var cbi_c = [];
 
+var cbi_validators = {
+
+	'integer': function(v)
+	{
+		return (v.match(/^-?[0-9]+$/) != null);
+	},
+
+	'uinteger': function(v)
+	{
+		return (cbi_validators.integer(v) && (v >= 0));
+	},
+
+	'ipaddr': function(v)
+	{
+		return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
+	},
+
+	'ip4addr': function(v)
+	{
+		if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
+		{
+			return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
+			       (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
+			       (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
+			       (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
+			       (!RegExp.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
+			;
+		}
+
+		return false;
+	},
+
+	'ip6addr': function(v)
+	{
+		if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
+		{
+			if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
+			{
+				var addr = RegExp.$1;
+
+				if( addr == '::' )
+				{
+					return true;
+				}
+
+				if( addr.indexOf('.') > 0 )
+				{
+					var off = addr.lastIndexOf(':');
+
+					if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
+						return false;
+
+					addr = addr.substr(0, off) + ':0:0';
+				}
+
+				if( addr.indexOf('::') < 0 )
+				{
+					return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
+				}
+
+				var fields = 0;
+
+				for( var i = 0, last = 0, comp = false; i <= addr.length; i++ )
+				{
+					if( (addr.charAt(i) == ':') || (i == addr.length) )
+					{
+						if( (i == last) && !comp )
+						{
+							comp = true;
+						}
+						else
+						{
+							var f = addr.substring(last, i);
+							if( !(f && f.match(/^[a-fA-F0-9]{1,4}$/)) )
+								return false;
+						}
+
+						fields++;
+						last = i + 1;
+					}				
+				}
+
+				return (fields == 8);
+			}
+		}
+
+		return false;
+	},
+
+	'port': function(v)
+	{
+		return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
+	},
+
+	'portrange': function(v)
+	{
+		if( v.match(/^(\d+)-(\d+)$/) )
+		{
+			var p1 = RegExp.$1;
+			var p2 = RegExp.$2;
+
+			return cbi_validators.port(p1) &&
+			       cbi_validators.port(p2) &&
+			       (parseInt(p1) <= parseInt(p2))
+			;
+		}
+		else
+		{
+			return cbi_validators.port(v);
+		}
+	},
+
+	'macaddr': function(v)
+	{
+		return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
+	},
+
+	'host': function(v)
+	{
+		return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
+	},
+
+	'hostname': function(v)
+	{
+		return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
+	},
+
+	'wpakey': function(v)
+	{
+		if( v.length == 64 )
+			return (v.match(/^[a-fA-F0-9]{64}$/) != null);
+		else
+			return (v.length >= 8) && (v.length <= 63);
+	},
+
+	'wepkey': function(v)
+	{
+		if( v.substr(0,2) == 's:' )
+			v = v.substr(2);
+
+		if( (v.length == 10) || (v.length == 26) )
+			return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
+		else
+			return (v.length == 5) || (v.length == 13);
+	},
+
+};
+
+
 function cbi_d_add(field, dep, next) {
 	var obj = document.getElementById(field);
 	if (obj) {