93 lines
2.9 KiB
JavaScript
93 lines
2.9 KiB
JavaScript
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if(!dojo._hasResource["dojox.validate.creditCard"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.validate.creditCard"] = true;
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dojo.provide("dojox.validate.creditCard");
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dojo.require("dojox.validate._base");
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/*
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Validates Credit Cards using account number rules in conjunction with the Luhn algorigthm
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*/
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dojox.validate.isValidCreditCard = function(/*String|Int*/value, /*String*/ccType){
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//Summary:
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// checks if ccType matches the # scheme in value, and if Luhn checksum is accurate (unless its an Enroute card, the checkSum is skipped)
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//Value: Boolean
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return ((ccType.toLowerCase() == 'er' || dojox.validate.isValidLuhn(value)) &&
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dojox.validate.isValidCreditCardNumber(value,ccType.toLowerCase())); //Boolean
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}
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dojox.validate.isValidCreditCardNumber = function(/*String|Int*/value,/*String?*/ccType){
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// summary:
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// checks if value matches the pattern for that card or any card types if none is specified
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//
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// value: Boolean
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// CC #, white spaces and dashes are ignored
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//
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// ccType: String?
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// one of the values in cardinfo -- if Omitted it it returns a | delimited string of matching card types, or false if no matches found
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value = String(value).replace(/[- ]/g,''); //ignore dashes and whitespaces
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/* FIXME: not sure on all the abbreviations for credit cards,below is what each stands for atleast to my knowledge
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mc: Mastercard
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ec: Eurocard
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vi: Visa
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ax: American Express
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dc: Diners Club
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bl: Carte Blanch
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di: Discover
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jcb: JCB
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er: Enroute
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*/
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var cardinfo = {
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'mc':'5[1-5][0-9]{14}','ec':'5[1-5][0-9]{14}','vi':'4(?:[0-9]{12}|[0-9]{15})',
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'ax':'3[47][0-9]{13}', 'dc':'3(?:0[0-5][0-9]{11}|[68][0-9]{12})',
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'bl':'3(?:0[0-5][0-9]{11}|[68][0-9]{12})','di':'6011[0-9]{12}',
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'jcb':'(?:3[0-9]{15}|(2131|1800)[0-9]{11})','er':'2(?:014|149)[0-9]{11}'
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};
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if(ccType){
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var expr = cardinfo[ccType.toLowerCase()];
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return expr ? !!(value.match(cardinfo[ccType.toLowerCase()])) : false; // boolean
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}
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var results=[];
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for(var p in cardinfo){
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if(value.match('^'+cardinfo[p]+'$')){
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results.push(p);
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}
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}
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return results.length ? results.join('|') : false; // string | boolean
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}
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dojox.validate.isValidCvv = function(/*String|Int*/value, /*String*/ccType) {
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//Summary:
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// returns true if the security code (CCV) matches the correct format for supplied ccType
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//Value: Boolean
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if(typeof value!='string'){
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value=String(value);
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}
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var format;
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switch (ccType.toLowerCase()){
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case 'mc':
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case 'ec':
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case 'vi':
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case 'di':
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format = '###';
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break;
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case 'ax':
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format = '####';
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break;
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default:
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return false; //Boolean
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}
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var flags = {format:format};
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//FIXME? Why does isNumberFormat take an object for flags when its only parameter is either a string or an array inside the object?
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//FIXME: um... just check value.length?
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return (value.length == format.length && dojox.validate.isNumberFormat(value, flags)); //Boolean
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}
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}
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