116 lines
3.4 KiB
JavaScript
116 lines
3.4 KiB
JavaScript
define("dojox/validate/creditCard", ["dojo/_base/lang", "./_base"], function(lang, validate){
|
|
|
|
/*=====
|
|
return {
|
|
// summary:
|
|
// Module provides validation functions for Credit Cards, using account number
|
|
// rules in conjunction with the Luhn algorigthm, with a pluggable card info database.
|
|
};
|
|
=====*/
|
|
|
|
validate._cardInfo = {
|
|
// summary:
|
|
// A dictionary list of credit card abbreviations
|
|
// description:
|
|
// A hash of valid CC abbreviations and regular expressions
|
|
//
|
|
// - mc: Mastercard
|
|
// - ec: Eurocard
|
|
// - vi: Visa
|
|
// - ax: American Express
|
|
// - dc: Diners Club
|
|
// - bl: Carte Blanch
|
|
// - di: Discover
|
|
// - jcb: JCB
|
|
// - er: Enroute
|
|
// example:
|
|
// Define your own card, gift-card, whatever. Starts with 7,
|
|
// is 15 total length.
|
|
// | dojo.mixin(dojox.validate._cardInfo, {
|
|
// | "my":"7[0-9]{14}"
|
|
// | });
|
|
|
|
'mc':'((5[1-5][0-9]{2})|2(22[1-9]|2[3-9][0-9]|[3-6][0-9][0-9]|7[0-1][0-9]|720))[0-9]{12}',
|
|
'ec':'5[1-5][0-9]{14}',
|
|
'vi':'4(?:[0-9]{12}|[0-9]{15})',
|
|
'ax':'3[47][0-9]{13}',
|
|
'dc':'3(?:0[0-5][0-9]{11}|[68][0-9]{12})',
|
|
'bl':'3(?:0[0-5][0-9]{11}|[68][0-9]{12})',
|
|
'di':'6011[0-9]{12}',
|
|
'jcb':'(?:3[0-9]{15}|(2131|1800)[0-9]{11})',
|
|
'er':'2(?:014|149)[0-9]{11}'
|
|
};
|
|
|
|
validate.isValidCreditCard = function(value, ccType){
|
|
// summary:
|
|
// Validate a credit card number by type with Luhn checking.
|
|
// description:
|
|
// Checks if a credit card type matches the # scheme in a passed value, and if
|
|
// the Luhn checksum is accurate (unless its an Enroute card, in which case
|
|
// the checkSum is skipped), returning a Boolean to check against.
|
|
// value: String|Int
|
|
// A Value (credit card number) to validate
|
|
// ccType: String
|
|
// A credit-card abbreviation.
|
|
// example:
|
|
// | if(dojox.validate.isValidCreditCard("12345", "mc")){
|
|
// | console.log('inconceivable');
|
|
// | }
|
|
|
|
return ((ccType.toLowerCase() == 'er' || validate.isValidLuhn(value)) &&
|
|
validate.isValidCreditCardNumber(value, ccType.toLowerCase())); // Boolean
|
|
};
|
|
|
|
validate.isValidCreditCardNumber = function(value, ccType){
|
|
// summary:
|
|
// Checks if value matches the pattern for that card or any card types if none is specified
|
|
// value: String|Int
|
|
// CC #, white spaces and dashes are ignored
|
|
// ccType: String?
|
|
// One of the abbreviation values in `dojox.validate._cardInfo` --
|
|
// if Omitted, function returns a `|` delimited string of matching card types,
|
|
// or false if no matches found.
|
|
|
|
value = String(value).replace(/[- ]/g,''); //ignore dashes and whitespaces
|
|
|
|
var cardinfo = validate._cardInfo, results = [];
|
|
if(ccType){
|
|
var expr = '^' + cardinfo[ccType.toLowerCase()] + '$';
|
|
return expr ? !!value.match(expr) : false; // boolean
|
|
}
|
|
|
|
for(var p in cardinfo){
|
|
if(value.match('^' + cardinfo[p] + '$')){
|
|
results.push(p);
|
|
}
|
|
}
|
|
return results.length ? results.join('|') : false; // String|Boolean
|
|
};
|
|
|
|
validate.isValidCvv = function(/* String|Int */value, /* String */ccType) {
|
|
// summary:
|
|
// Validate the security code (CCV) for a passed credit-card type.
|
|
|
|
if(!lang.isString(value)){
|
|
value = String(value);
|
|
}
|
|
var format;
|
|
switch (ccType.toLowerCase()){
|
|
case 'mc':
|
|
case 'ec':
|
|
case 'vi':
|
|
case 'di':
|
|
format = '###';
|
|
break;
|
|
case 'ax':
|
|
format = '####';
|
|
break;
|
|
}
|
|
|
|
return !!format && value.length && validate.isNumberFormat(value, { format: format }); // Boolean
|
|
};
|
|
|
|
// TODO: return functions defined in this module, rather than sticking them into "validate"
|
|
return validate;
|
|
});
|