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/** * @package HikaShop for Joomla! * @version 4.4.1 * @author hikashop.com * @copyright (C) 2010-2021 HIKARI SOFTWARE. All rights reserved. * @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html / /* * * @author Obsidev * @baseOn John Gardner * * Documentation: http://en.wikipedia.org/wiki/Credit_card_number / function hikashopValidateExpDate(month, year) { var cardexp = /^[0-9]{2}$/; if(!cardexp.exec(month) \|\| !cardexp.exec(year)) { alert(ccHikaErrors[5]); return false; } month = parseInt(month); if(month > 12) { alert(ccHikaErrors[5]); return false; } var ccExpYear = 2000 + parseInt(year), ccExpMonth = month, today = new Date(), expDate = new Date(), ccExpDay = [31,((!(ccExpYear % 4 ) && ( (ccExpYear % 100 ) \|\| !( ccExpYear % 400 ) ))?29:28),31,30,31,30,31,31,30,31,30,31][ccExpMonth-1]; expDate.setFullYear(ccExpYear, ccExpMonth-1, ccExpDay); expDate.setMonth(ccExpMonth-1); expDate.setDate(ccExpDay); if(expDate < today) { alert(ccHikaErrors[5]); return false; } return true; } function hikashopCheckCreditCard(cardnumber) { var err = 0; for(z = 0; z < 16 ; z++) { var check = hikashopCheckOneTypeCreditCard(cardnumber, z); if(check === true) return true; if(check !== false) err = check; } alert(ccHikaErrors[err]); return false; } function hikashopCheckOneTypeCreditCard(cardnumber, cardType) { // Ensure that the user has provided a credit card number if(cardnumber.length == 0) return 3; // Now remove any spaces from the credit card number cardnumber = cardnumber.replace(/\s/g, ""); // Check that the number is numeric var cardNo = cardnumber, cardexp = /^[0-9]{8,19}$/; if(!cardexp.exec(cardNo)) return 3; // Define the cards we support. You may add addtional card types as follows. // Name: As in the selection box of the form - must be same as user's // Length: List of possible valid lengths of the card number for the card // prefixes: List of possible prefixes for the card // checkdigit: Boolean to say whether there is a check digit // see: https://en.wikipedia.org/wiki/Payment_card_number#Issuer_identification_number_.28IIN.29 var cards = { 0: {name: "Visa", length: "13,16,19", prefixes: "4", checkdigit: true}, 1: {name: "MasterCard", length: "16", prefixes: "51,52,53,54,55,2221,2222,2223,2224,2225,2226,2227,2228,2229,223,224,225,226,227,228,229,23,24,25,26,271,2720", checkdigit: true}, 2: {name: "DinersClub", length: "14,16", prefixes: "309,36,38,39,54,55", checkdigit: true}, 3: {name: "CarteBlanche",length: "14",prefixes: "300,301,302,303,304,305", checkdigit: true}, 4: {name: "AmEx", length: "15", prefixes: "34,37",checkdigit: true}, 5: {name: "Discover", length: "16", prefixes: "6011,622,64,65", checkdigit: true}, 6: {name: "JCB", length: "16,19", prefixes: "35", checkdigit: true}, 7: {name: "enRoute", length: "15", prefixes: "2014,2149", checkdigit: false}, 8: {name: "Solo", length: "16,18,19", prefixes: "6334,6767", checkdigit: true}, 9: {name: "Switch", length: "16,18,19", prefixes: "4903,4905,4911,4936,564182,633110,6333,6759", checkdigit: true}, 10: {name: "Maestro", length: "12,13,14,15,16,18,19", prefixes: "50,56,57,58,59,60,61,62,63,64,65,66,67,68,69", checkdigit: true}, 11: {name: "UATP", length: "15", prefixes: "1", checkdigit: true}, 12: {name: "LaserCard", length: "16,17,18,19", prefixes: "6304,6706,6771,6709", checkdigit: true}, 13: {name: "UnionPay", length: "16,17,18,19", prefixes: "62", checkdigit: true}, 14: {name: "Isracard", length: "8", prefixes: "0,1,2,3,4,5,6,7,8,9", checkdigit: false}, 15: {name: "Direct", length: "9", prefixes: "0,1,2,3,4,5,6,7,8,9", checkdigit: false}, 16: {name: "Bankcard", length: "16", prefixes: "5610,56022", checkdigit: true}, 17: {name: "China UnionPay", length: "16,17,18,19", prefixes: "62", checkdigit: true}, 18: {name: "InterPayment", length: "16,17,18,19", prefixes: "636", checkdigit: true}, 19: {name: "InstaPayment", length: "16", prefixes: "637,638,639", checkdigit: true}, 20: {name: "Laser", length: "16,17,18,19", prefixes: "6304,6706,6771,6709", checkdigit: true}, 21: {name: "Dankort", length: "16", prefixes: "5019", checkdigit: true}, 22: {name: "NSPK MIR", length: "16", prefixes: "2200,2201,2202,2203", checkdigit: true}, 23: {name: "Verve", length: "16,19", prefixes: "506,6500", checkdigit: true}, 24: {name: "CARDGUARD EAD BG ILS", length: "16", prefixes: "5392", checkdigit: true}, }; // Now check the modulus 10 check digit - if required if(cards[cardType].checkdigit) { // checksum: running checksum total // j: takes value of 1 or 2 var checksum = 0, j = 1; for(i = cardNo.length - 1; i >= 0; i--) { // Extract the next digit and multiply by 1 or 2 on alternative digits. var calc = Number(cardNo.charAt(i)) j; // If the result is in two digits add 1 to the checksum total if(calc > 9) { checksum++; calc -= 10; } // Add the units element to the checksum total checksum += calc; // Switch the value of j j = (j == 1) ? 2 : 1; } // All done - if checksum is divisible by 10, it is a valid modulus 10. // If not, report an error. if(checksum % 10 != 0) return 3; } // There is a specific algorithm to check on Isracard credit cards if(cards[cardType].name == "Isracard") { var sum = 0, iNum; for( var i in cardNo+='' ){ iNum = parseInt(cardNo[i]); sum += i%2?iNum:iNum>4?iNum2%10+1:iNum2; } if(sum%10) return 3; } // The following are the card-specific checks we undertake. var LengthValid = false, PrefixValid = false; // We use these for holding the valid lengths and prefixes of a card type var prefix, lengths; // Load an array with the valid prefixes for this card prefix = cards[cardType].prefixes.split(","); // Now see if any of them match what we have in the card number for(i = 0; i < prefix.length; i++) { var exp = new RegExp("^" + prefix[i]); if(exp.test(cardNo)) PrefixValid = true; } // If it isn't a valid prefix there's no point at looking at the length if(!PrefixValid) return 3; // See if the length is valid for this card lengths = cards[cardType].length.split(","); for(j = 0; j < lengths.length; j++) { if(cardNo.length == lengths[j]) LengthValid = true; } // See if all is OK by seeing if the length was valid. We only check the length if all else was hunky dory. if(!LengthValid) return 3; // The credit card is in the required format. return true; }

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