IBAN VALIDATION USING JAVASCRIPTAND CUSTOM PLUGIN MS CRM 2015
www.alpha.gr/…/iban_check_digit_En.pdf
github.com/…/iban.js
(function (root, factory) {
if (typeof define === ‘function’ && define.amd) {
// AMD. Register as an anonymous module.
define([‘exports’], factory);
} else if (typeof exports === ‘object’ && typeof exports.nodeName !== ‘string’) {
// CommonJS
factory(exports);
} else {
// Browser globals
factory(root.IBAN = {});
}
}(this, function(exports){
// Array.prototype.map polyfill
// code from https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/map
if (!Array.prototype.map){
Array.prototype.map = function(fun /*, thisArg */){
“use strict”;
if (this === void 0 || this === null)
throw new TypeError();
var t = Object(this);
var len = t.length >>> 0;
if (typeof fun !== “function”)
throw new TypeError();
var res = new Array(len);
var thisArg = arguments.length >= 2 ? arguments[1] : void 0;
for (var i = 0; i < len; i++)
{
// NOTE: Absolute correctness would demand Object.defineProperty
// be used. But this method is fairly new, and failure is
// possible only if Object.prototype or Array.prototype
// has a property |i| (very unlikely), so use a less-correct
// but more portable alternative.
if (i in t)
res[i] = fun.call(thisArg, t[i], i, t);
}
return res;
};
}
var A = ‘A’.charCodeAt(0),
Z = ‘Z’.charCodeAt(0);
/**
* Prepare an IBAN for mod 97 computation by moving the first 4 chars to the end and transforming the letters to
* numbers (A = 10, B = 11, …, Z = 35), as specified in ISO13616.
*
* @param {string} iban the IBAN
* @returns {string} the prepared IBAN
*/
function iso13616Prepare(iban) {
iban = iban.toUpperCase();
iban = iban.substr(4) + iban.substr(0,4);
return iban.split(”).map(function(n){
var code = n.charCodeAt(0);
if (code >= A && code <= Z){
// A = 10, B = 11, … Z = 35
return code – A + 10;
} else {
return n;
}
}).join(”);
}
/**
* Calculates the MOD 97 10 of the passed IBAN as specified in ISO7064.
*
* @param iban
* @returns {number}
*/
function iso7064Mod97_10(iban) {
var remainder = iban,
block;
while (remainder.length > 2){
block = remainder.slice(0, 9);
remainder = parseInt(block, 10) % 97 + remainder.slice(block.length);
}
return parseInt(remainder, 10) % 97;
}
/**
* Parse the BBAN structure used to configure each IBAN Specification and returns a matching regular expression.
* A structure is composed of blocks of 3 characters (one letter and 2 digits). Each block represents
* a logical group in the typical representation of the BBAN. For each group, the letter indicates which characters
* are allowed in this group and the following 2-digits number tells the length of the group.
*
* @param {string} structure the structure to parse
* @returns {RegExp}
*/
function parseStructure(structure){
// split in blocks of 3 chars
var regex = structure.match(/(.{3})/g).map(function(block){
// parse each structure block (1-char + 2-digits)
var format,
pattern = block.slice(0, 1),
repeats = parseInt(block.slice(1), 10);
switch (pattern){
case “A”: format = “0-9A-Za-z”; break;
case “B”: format = “0-9A-Z”; break;
case “C”: format = “A-Za-z”; break;
case “F”: format = “0-9”; break;
case “L”: format = “a-z”; break;
case “U”: format = “A-Z”; break;
case “W”: format = “0-9a-z”; break;
}
return ‘([‘ + format + ‘]{‘ + repeats + ‘})’;
});
return new RegExp(‘^’ + regex.join(”) + ‘$’);
}
/**
* Create a new Specification for a valid IBAN number.
*
* @param countryCode the code of the country
* @param length the length of the IBAN
* @param structure the structure of the underlying BBAN (for validation and formatting)
* @param example an example valid IBAN
* @constructor
*/
function Specification(countryCode, length, structure, example){
this.countryCode = countryCode;
this.length = length;
this.structure = structure;
this.example = example;
}
/**
* Lazy-loaded regex (parse the structure and construct the regular expression the first time we need it for validation)
*/
Specification.prototype._regex = function(){
return this._cachedRegex || (this._cachedRegex = parseStructure(this.structure))
};
/**
* Check if the passed iban is valid according to this specification.
*
* @param {String} iban the iban to validate
* @returns {boolean} true if valid, false otherwise
*/
Specification.prototype.isValid = function(iban){
return this.length == iban.length
&& this.countryCode === iban.slice(0,2)
&& this._regex().test(iban.slice(4))
&& iso7064Mod97_10(iso13616Prepare(iban)) == 1;
};
/**
* Convert the passed IBAN to a country-specific BBAN.
*
* @param iban the IBAN to convert
* @param separator the separator to use between BBAN blocks
* @returns {string} the BBAN
*/
Specification.prototype.toBBAN = function(iban, separator) {
return this._regex().exec(iban.slice(4)).slice(1).join(separator);
};
/**
* Convert the passed BBAN to an IBAN for this country specification.
* Please note that <i>”generation of the IBAN shall be the exclusive responsibility of the bank/branch servicing the account”</i>.
* This method implements the preferred algorithm described in http://en.wikipedia.org/wiki/International_Bank_Account_Number#Generating_IBAN_check_digits
*
* @param bban the BBAN to convert to IBAN
* @returns {string} the IBAN
*/
Specification.prototype.fromBBAN = function(bban) {
if (!this.isValidBBAN(bban)){
throw new Error(‘Invalid BBAN’);
}
var remainder = iso7064Mod97_10(iso13616Prepare(this.countryCode + ’00’ + bban)),
checkDigit = (‘0’ + (98 – remainder)).slice(-2);
return this.countryCode + checkDigit + bban;
};
/**
* Check of the passed BBAN is valid.
* This function only checks the format of the BBAN (length and matching the letetr/number specs) but does not
* verify the check digit.
*
* @param bban the BBAN to validate
* @returns {boolean} true if the passed bban is a valid BBAN according to this specification, false otherwise
*/
Specification.prototype.isValidBBAN = function(bban) {
return this.length – 4 == bban.length
&& this._regex().test(bban);
};
var countries = {};
function addSpecification(IBAN){
countries[IBAN.countryCode] = IBAN;
}
addSpecification(new Specification(“AD”, 24, “F04F04A12”, “AD1200012030200359100100”));
addSpecification(new Specification(“AE”, 23, “F03F16”, “AE070331234567890123456”));
addSpecification(new Specification(“AL”, 28, “F08A16”, “AL47212110090000000235698741”));
addSpecification(new Specification(“AT”, 20, “F05F11”, “AT611904300234573201”));
addSpecification(new Specification(“AZ”, 28, “U04A20”, “AZ21NABZ00000000137010001944”));
addSpecification(new Specification(“BA”, 20, “F03F03F08F02”, “BA391290079401028494”));
addSpecification(new Specification(“BE”, 16, “F03F07F02”, “BE68539007547034”));
addSpecification(new Specification(“BG”, 22, “U04F04F02A08”, “BG80BNBG96611020345678”));
addSpecification(new Specification(“BH”, 22, “U04A14”, “BH67BMAG00001299123456”));
addSpecification(new Specification(“BR”, 29, “F08F05F10U01A01”, “BR9700360305000010009795493P1”));
addSpecification(new Specification(“CH”, 21, “F05A12”, “CH9300762011623852957”));
addSpecification(new Specification(“CR”, 21, “F03F14”, “CR0515202001026284066”));
addSpecification(new Specification(“CY”, 28, “F03F05A16”, “CY17002001280000001200527600”));
addSpecification(new Specification(“CZ”, 24, “F04F06F10”, “CZ6508000000192000145399”));
addSpecification(new Specification(“DE”, 22, “F08F10”, “DE89370400440532013000”));
addSpecification(new Specification(“DK”, 18, “F04F09F01”, “DK5000400440116243”));
addSpecification(new Specification(“DO”, 28, “U04F20”, “DO28BAGR00000001212453611324”));
addSpecification(new Specification(“EE”, 20, “F02F02F11F01”, “EE382200221020145685”));
addSpecification(new Specification(“ES”, 24, “F04F04F01F01F10”, “ES9121000418450200051332”));
addSpecification(new Specification(“FI”, 18, “F06F07F01”, “FI2112345600000785”));
addSpecification(new Specification(“FO”, 18, “F04F09F01”, “FO6264600001631634”));
addSpecification(new Specification(“FR”, 27, “F05F05A11F02”, “FR1420041010050500013M02606”));
addSpecification(new Specification(“GB”, 22, “U04F06F08”, “GB29NWBK60161331926819”));
addSpecification(new Specification(“GE”, 22, “U02F16”, “GE29NB0000000101904917”));
addSpecification(new Specification(“GI”, 23, “U04A15”, “GI75NWBK000000007099453”));
addSpecification(new Specification(“GL”, 18, “F04F09F01”, “GL8964710001000206”));
addSpecification(new Specification(“GR”, 27, “F03F04A16”, “GR1601101250000000012300695”));
addSpecification(new Specification(“GT”, 28, “A04A20”, “GT82TRAJ01020000001210029690”));
addSpecification(new Specification(“HR”, 21, “F07F10”, “HR1210010051863000160”));
addSpecification(new Specification(“HU”, 28, “F03F04F01F15F01”, “HU42117730161111101800000000”));
addSpecification(new Specification(“IE”, 22, “U04F06F08”, “IE29AIBK93115212345678”));
addSpecification(new Specification(“IL”, 23, “F03F03F13”, “IL620108000000099999999”));
addSpecification(new Specification(“IS”, 26, “F04F02F06F10”, “IS140159260076545510730339”));
addSpecification(new Specification(“IT”, 27, “U01F05F05A12”, “IT60X0542811101000000123456”));
addSpecification(new Specification(“KW”, 30, “U04A22”, “KW81CBKU0000000000001234560101”));
addSpecification(new Specification(“KZ”, 20, “F03A13”, “KZ86125KZT5004100100”));
addSpecification(new Specification(“LB”, 28, “F04A20”, “LB62099900000001001901229114”));
addSpecification(new Specification(“LC”, 32, “U04F24”, “LC07HEMM000100010012001200013015”));
addSpecification(new Specification(“LI”, 21, “F05A12”, “LI21088100002324013AA”));
addSpecification(new Specification(“LT”, 20, “F05F11”, “LT121000011101001000”));
addSpecification(new Specification(“LU”, 20, “F03A13”, “LU280019400644750000”));
addSpecification(new Specification(“LV”, 21, “U04A13”, “LV80BANK0000435195001”));
addSpecification(new Specification(“MC”, 27, “F05F05A11F02”, “MC5811222000010123456789030”));
addSpecification(new Specification(“MD”, 24, “U02A18”, “MD24AG000225100013104168”));
addSpecification(new Specification(“ME”, 22, “F03F13F02”, “ME25505000012345678951”));
addSpecification(new Specification(“MK”, 19, “F03A10F02”, “MK07250120000058984”));
addSpecification(new Specification(“MR”, 27, “F05F05F11F02”, “MR1300020001010000123456753”));
addSpecification(new Specification(“MT”, 31, “U04F05A18”, “MT84MALT011000012345MTLCAST001S”));
addSpecification(new Specification(“MU”, 30, “U04F02F02F12F03U03”, “MU17BOMM0101101030300200000MUR”));
addSpecification(new Specification(“NL”, 18, “U04F10”, “NL91ABNA0417164300”));
addSpecification(new Specification(“NO”, 15, “F04F06F01”, “NO9386011117947”));
addSpecification(new Specification(“PK”, 24, “U04A16”, “PK36SCBL0000001123456702”));
addSpecification(new Specification(“PL”, 28, “F08F16”, “PL61109010140000071219812874”));
addSpecification(new Specification(“PS”, 29, “U04A21”, “PS92PALS000000000400123456702”));
addSpecification(new Specification(“PT”, 25, “F04F04F11F02”, “PT50000201231234567890154”));
addSpecification(new Specification(“RO”, 24, “U04A16”, “RO49AAAA1B31007593840000”));
addSpecification(new Specification(“RS”, 22, “F03F13F02”, “RS35260005601001611379”));
addSpecification(new Specification(“SA”, 24, “F02A18”, “SA0380000000608010167519”));
addSpecification(new Specification(“SE”, 24, “F03F16F01”, “SE4550000000058398257466”));
addSpecification(new Specification(“SI”, 19, “F05F08F02”, “SI56263300012039086”));
addSpecification(new Specification(“SK”, 24, “F04F06F10”, “SK3112000000198742637541”));
addSpecification(new Specification(“SM”, 27, “U01F05F05A12”, “SM86U0322509800000000270100”));
addSpecification(new Specification(“ST”, 25, “F08F11F02”, “ST68000100010051845310112”));
addSpecification(new Specification(“TL”, 23, “F03F14F02”, “TL380080012345678910157”));
addSpecification(new Specification(“TN”, 24, “F02F03F13F02”, “TN5910006035183598478831”));
addSpecification(new Specification(“TR”, 26, “F05F01A16”, “TR330006100519786457841326”));
addSpecification(new Specification(“VG”, 24, “U04F16”, “VG96VPVG0000012345678901”));
addSpecification(new Specification(“XK”, 20, “F04F10F02”, “XK051212012345678906”));
// Angola
addSpecification(new Specification(“AO”, 25, “F21”, “AO69123456789012345678901”));
// Burkina
addSpecification(new Specification(“BF”, 27, “F23”, “BF2312345678901234567890123”));
// Burundi
addSpecification(new Specification(“BI”, 16, “F12”, “BI41123456789012”));
// Benin
addSpecification(new Specification(“BJ”, 28, “F24”, “BJ39123456789012345678901234”));
// Ivory
addSpecification(new Specification(“CI”, 28, “U01F23”, “CI17A12345678901234567890123”));
// Cameron
addSpecification(new Specification(“CM”, 27, “F23”, “CM9012345678901234567890123”));
// Cape Verde
addSpecification(new Specification(“CV”, 25, “F21”, “CV30123456789012345678901”));
// Algeria
addSpecification(new Specification(“DZ”, 24, “F20”, “DZ8612345678901234567890”));
// Iran
addSpecification(new Specification(“IR”, 26, “F22”, “IR861234568790123456789012”));
// Jordan
addSpecification(new Specification(“JO”, 30, “A04F22”, “JO15AAAA1234567890123456789012”));
// Madagascar
addSpecification(new Specification(“MG”, 27, “F23”, “MG1812345678901234567890123”));
// Mali
addSpecification(new Specification(“ML”, 28, “U01F23”, “ML15A12345678901234567890123”));
// Mozambique
addSpecification(new Specification(“MZ”, 25, “F21”, “MZ25123456789012345678901”));
// Quatar
addSpecification(new Specification(“QA”, 29, “U04A21”, “QA30AAAA123456789012345678901”));
// Senegal
addSpecification(new Specification(“SN”, 28, “U01F23”, “SN52A12345678901234567890123”));
// Ukraine
addSpecification(new Specification(“UA”, 29, “F25”, “UA511234567890123456789012345”));
var NON_ALPHANUM = /[^a-zA-Z0-9]/g,
EVERY_FOUR_CHARS =/(.{4})(?!$)/g;
/**
* Utility function to check if a variable is a String.
*
* @param v
* @returns {boolean} true if the passed variable is a String, false otherwise.
*/
function isString(v){
return (typeof v == ‘string’ || v instanceof String);
}
/**
* Check if an IBAN is valid.
*
* @param {String} iban the IBAN to validate.
* @returns {boolean} true if the passed IBAN is valid, false otherwise
*/
exports.isValid = function(iban){
if (!isString(iban)){
return false;
}
iban = this.electronicFormat(iban);
var countryStructure = countries[iban.slice(0,2)];
return !!countryStructure && countryStructure.isValid(iban);
};
/**
* Convert an IBAN to a BBAN.
*
* @param iban
* @param {String} [separator] the separator to use between the blocks of the BBAN, defaults to ‘ ‘
* @returns {string|*}
*/
exports.toBBAN = function(iban, separator){
if (typeof separator == ‘undefined’){
separator = ‘ ‘;
}
iban = this.electronicFormat(iban);
var countryStructure = countries[iban.slice(0,2)];
if (!countryStructure) {
throw new Error(‘No country with code ‘ + iban.slice(0,2));
}
return countryStructure.toBBAN(iban, separator);
};
/**
* Convert the passed BBAN to an IBAN for this country specification.
* Please note that <i>”generation of the IBAN shall be the exclusive responsibility of the bank/branch servicing the account”</i>.
* This method implements the preferred algorithm described in http://en.wikipedia.org/wiki/International_Bank_Account_Number#Generating_IBAN_check_digits
*
* @param countryCode the country of the BBAN
* @param bban the BBAN to convert to IBAN
* @returns {string} the IBAN
*/
exports.fromBBAN = function(countryCode, bban){
var countryStructure = countries[countryCode];
if (!countryStructure) {
throw new Error(‘No country with code ‘ + countryCode);
}
return countryStructure.fromBBAN(this.electronicFormat(bban));
};
/**
* Check the validity of the passed BBAN.
*
* @param countryCode the country of the BBAN
* @param bban the BBAN to check the validity of
*/
exports.isValidBBAN = function(countryCode, bban){
if (!isString(bban)){
return false;
}
var countryStructure = countries[countryCode];
return countryStructure && countryStructure.isValidBBAN(this.electronicFormat(bban));
};
/**
*
* @param iban
* @param separator
* @returns {string}
*/
exports.printFormat = function(iban, separator){
if (typeof separator == ‘undefined’){
separator = ‘ ‘;
}
return this.electronicFormat(iban).replace(EVERY_FOUR_CHARS, “$1” + separator);
};
/**
*
* @param iban
* @returns {string}
*/
exports.electronicFormat = function(iban){
return iban.replace(NON_ALPHANUM, ”).toUpperCase();
};
/**
* An object containing all the known IBAN specifications.
*/
exports.countries = countries;
}));
Call the above function in another webresource to validate the fields
Add the below webresource onChange of the field(“iban”) on the payment form
—————————————————————————————–
function IBANCheck() {
var AccountNumber = Xrm.Page.getAttribute(“iban”).getValue();
if(AccountNumber != null)
{
var status = IBAN.isValid(AccountNumber );
//alert(status);
if(status ==true)
Xrm.Page.getAttribute(“ibanvalidation”).setValue(true);
else
Xrm.Page.getAttribute(“ibanvalidation”).setValue(false);
}
}
=====================================
IBAN VALIDATION USING CUSTOM PLUGIN
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Xrm.Sdk;
namespace Ibanvalidators
{
public class Iban:IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
string Accountnumber = “”;
//Extract the tracing service for use in debugging sandboxed plug-ins.
ITracingService tracingService =
(ITracingService)serviceProvider.GetService(typeof(ITracingService));
// Obtain the execution context from the service provider.
IPluginExecutionContext context = (IPluginExecutionContext)
serviceProvider.GetService(typeof(IPluginExecutionContext));
// The InputParameters collection contains all the data passed in the message request.
if (context.InputParameters.Contains(“Target”) &&
context.InputParameters[“Target”] is Entity)
{
// Obtain the target entity from the input parameters.
Entity entity = (Entity)context.InputParameters[“Target”];
// Verify that the target entity represents an account.
// If not, this plug-in was not registered correctly.
if (entity.LogicalName != “ENT”)
return;
if(entity.Attributes.Contains(“”))
{
Accountnumber = entity.Attributes[“FIELDNAME”].ToString();
}
bool ISvalidIban = ValidateBankAccount(Accountnumber);
if (ISvalidIban == false)
throw new InvalidPluginExecutionException(“IBAN validation failed for given Accountnumber”);
}
}
public static bool ValidateBankAccount(string bankAccount)
{
bankAccount = bankAccount.ToUpper(); //IN ORDER TO COPE WITH THE REGEX BELOW
if (String.IsNullOrEmpty(bankAccount))
return false;
else if (System.Text.RegularExpressions.Regex.IsMatch(bankAccount, “^[A-Z0-9]”))
{
bankAccount = bankAccount.Replace(” “, String.Empty);
string bank =
bankAccount.Substring(4, bankAccount.Length – 4) + bankAccount.Substring(0, 4);
int asciiShift = 55;
StringBuilder sb = new StringBuilder();
foreach (char c in bank)
{
int v;
if (Char.IsLetter(c)) v = c – asciiShift;
else v = int.Parse(c.ToString());
sb.Append(v);
}
string checkSumString = sb.ToString();
int checksum = int.Parse(checkSumString.Substring(0, 1));
for (int i = 1; i < checkSumString.Length; i++)
{
int v = int.Parse(checkSumString.Substring(i, 1));
checksum *= 10;
checksum += v;
checksum %= 97;
}
return checksum == 1;
}
else
return false;
}
}
}
