Classic ASP
Classic ASP
Create ITIDA Signed JSON and Send to ETA (Egypt Tax Authority) Portal
See more Egypt ITIDA Examples
Demonstrates how to create a .p7s signature that fits Egypt's ITIDA requirements where Chilkat automatically does the ITIDA JSON canonicalization. Also shows the code to send to the ETA Portal.Chilkat Classic ASP Downloads
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<%
success = 0
' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
set crypt = Server.CreateObject("Chilkat.Crypt2")
crypt.VerboseLogging = 1
set cert = Server.CreateObject("Chilkat.Cert")
cert.VerboseLogging = 1
' Set the smart card PIN, which will be needed for signing.
cert.SmartCardPin = "12345678"
' There are many ways to load the certificate.
' This example was created for a customer using an ePass2003 USB token.
' Assuming the USB token is the only source of a hardware-based private key..
success = cert.LoadFromSmartcard("")
If (success = 0) Then
Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
Response.End
End If
' Tell the crypt class to use this cert.
success = crypt.SetSigningCert(cert)
If (success = 0) Then
Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>"
Response.End
End If
set cmsOptions = Server.CreateObject("Chilkat.JsonObject")
' Setting "DigestData" causes OID 1.2.840.113549.1.7.5 (digestData) to be used.
success = cmsOptions.UpdateBool("DigestData",1)
success = cmsOptions.UpdateBool("OmitAlgorithmIdNull",1)
' Indicate that we are passing normal JSON and we want Chilkat do automatically
' do the ITIDA JSON canonicalization:
success = cmsOptions.UpdateBool("CanonicalizeITIDA",1)
crypt.CmsOptions = cmsOptions.Emit()
' The CadesEnabled property applies to all methods that create CMS/PKCS7 signatures.
' To create a CAdES-BES signature, set this property equal to true.
crypt.CadesEnabled = 1
crypt.HashAlgorithm = "sha256"
set jsonSigningAttrs = Server.CreateObject("Chilkat.JsonObject")
success = jsonSigningAttrs.UpdateInt("contentType",1)
success = jsonSigningAttrs.UpdateInt("signingTime",1)
success = jsonSigningAttrs.UpdateInt("messageDigest",1)
success = jsonSigningAttrs.UpdateInt("signingCertificateV2",1)
crypt.SigningAttributes = jsonSigningAttrs.Emit()
' By default, all the certs in the chain of authentication are included in the signature.
' If desired, we can choose to only include the signing certificate:
crypt.IncludeCertChain = 0
' Pass a JSON document such as the following. Chilkat will do the ITIDA canonicalization.
' (It is the canonicalized JSON that gets signed.)
' {
' "issuer":{
' "address":{
' "branchID":"0",
' "country":"EG",
' "regionCity":"Cairo",
' "postalCode":"",
' "buildingNumber":"0",
' "street":"123rd Street",
' "governate":"GOVERNATE"
' },
' "type":"B",
' "id":"209999899",
' "name":"Xyz SAE"
' },
' "receiver":{
' "address":{
' "country":"EG",
' "regionCity":"CAIRO",
' "postalCode":"11435",
' "buildingNumber":"0",
' "street":"Autostrad Road Abc",
' "governate":"GOVERNATE"
' },
' "type":"B",
' "id":"999999999",
' "name":"XYZ EGYPT FOR TRADE"
' },
' "documentType":"I",
' "documentTypeVersion":"1.0",
' "dateTimeIssued":"2020-11-15T11:04:53Z",
' "taxpayerActivityCode":"1073",
' "internalID":"ZZZZ999",
' "purchaseOrderReference":"2009199918",
' "salesOrderReference":"",
' "payment":{
' "bankName":"",
' "bankAddress":"",
' "bankAccountNo":"",
' "bankAccountIBAN":"",
' "swiftCode":"",
' "terms":""
' },
' "delivery":{
' "approach":"",
' "packaging":"",
' "dateValidity":"",
' "exportPort":"",
' "countryOfOrigin":"EG",
' "grossWeight":0,
' "netWeight":0,
' "terms":""
' },
' "invoiceLines":[
' {
' "description":"CDM Widget 48GX99X12BA",
' "itemType":"GS1",
' "itemCode":"7622213335056",
' "unitType":"CS",
' "quantity":1.00,
' "unitValue":{
' "currencySold":"EGP",
' "amountEGP":588.67,
' "amountSold":0,
' "currencyExchangeRate":0
' },
' "salesTotal":588.67,
' "total":603.97,
' "valueDifference":0,
' "totalTaxableFees":0,
' "netTotal":529.8,
' "itemsDiscount":0,
' "discount":{
' "rate":10.00,
' "amount":58.87
' },
' "taxableItems":[
' {
' "taxType":"T1",
' "amount":74.17,
' "subType":"No sub",
' "rate":14.00
' }
' ],
' "internalCode":"9099994"
' }
' ],
' "totalSales":588.67,
' "totalSalesAmount":588.67,
' "totalDiscountAmount":58.87,
' "netAmount":529.80,
' "taxTotals":[
' {
' "taxType":"T1",
' "amount":74.17
' }
' ],
' "extraDiscountAmount":0,
' "totalItemsDiscountAmount":0,
' "totalAmount":603.97,
' }
' Build the above JSON..
' Use this online tool to generate code from sample JSON:
' Generate Code to Create JSON
set json = Server.CreateObject("Chilkat.JsonObject")
success = json.UpdateString("issuer.address.branchID","0")
success = json.UpdateString("issuer.address.country","EG")
success = json.UpdateString("issuer.address.regionCity","Cairo")
success = json.UpdateString("issuer.address.postalCode","")
success = json.UpdateString("issuer.address.buildingNumber","0")
success = json.UpdateString("issuer.address.street","123rd Street")
success = json.UpdateString("issuer.address.governate","GOVERNATE")
success = json.UpdateString("issuer.type","B")
success = json.UpdateString("issuer.id","209999899")
success = json.UpdateString("issuer.name","Xyz SAE")
success = json.UpdateString("receiver.address.country","EG")
success = json.UpdateString("receiver.address.regionCity","CAIRO")
success = json.UpdateString("receiver.address.postalCode","11435")
success = json.UpdateString("receiver.address.buildingNumber","0")
success = json.UpdateString("receiver.address.street","Autostrad Road Abc")
success = json.UpdateString("receiver.address.governate","GOVERNATE")
success = json.UpdateString("receiver.type","B")
success = json.UpdateString("receiver.id","999999999")
success = json.UpdateString("receiver.name","XYZ EGYPT FOR TRADE")
success = json.UpdateString("documentType","I")
success = json.UpdateString("documentTypeVersion","1.0")
success = json.UpdateString("dateTimeIssued","2020-11-15T11:04:53Z")
success = json.UpdateString("taxpayerActivityCode","1073")
success = json.UpdateString("internalID","ZZZZ999")
success = json.UpdateString("purchaseOrderReference","2009199918")
success = json.UpdateString("salesOrderReference","")
success = json.UpdateString("payment.bankName","")
success = json.UpdateString("payment.bankAddress","")
success = json.UpdateString("payment.bankAccountNo","")
success = json.UpdateString("payment.bankAccountIBAN","")
success = json.UpdateString("payment.swiftCode","")
success = json.UpdateString("payment.terms","")
success = json.UpdateString("delivery.approach","")
success = json.UpdateString("delivery.packaging","")
success = json.UpdateString("delivery.dateValidity","")
success = json.UpdateString("delivery.exportPort","")
success = json.UpdateString("delivery.countryOfOrigin","EG")
success = json.UpdateInt("delivery.grossWeight",0)
success = json.UpdateInt("delivery.netWeight",0)
success = json.UpdateString("delivery.terms","")
success = json.UpdateString("invoiceLines[0].description","CDM Widget 48GX99X12BA")
success = json.UpdateString("invoiceLines[0].itemType","GS1")
success = json.UpdateString("invoiceLines[0].itemCode","7622213335056")
success = json.UpdateString("invoiceLines[0].unitType","CS")
success = json.UpdateNumber("invoiceLines[0].quantity","1.00")
success = json.UpdateString("invoiceLines[0].unitValue.currencySold","EGP")
success = json.UpdateNumber("invoiceLines[0].unitValue.amountEGP","588.67")
success = json.UpdateInt("invoiceLines[0].unitValue.amountSold",0)
success = json.UpdateInt("invoiceLines[0].unitValue.currencyExchangeRate",0)
success = json.UpdateNumber("invoiceLines[0].salesTotal","588.67")
success = json.UpdateNumber("invoiceLines[0].total","603.97")
success = json.UpdateInt("invoiceLines[0].valueDifference",0)
success = json.UpdateInt("invoiceLines[0].totalTaxableFees",0)
success = json.UpdateNumber("invoiceLines[0].netTotal","529.8")
success = json.UpdateInt("invoiceLines[0].itemsDiscount",0)
success = json.UpdateNumber("invoiceLines[0].discount.rate","10.00")
success = json.UpdateNumber("invoiceLines[0].discount.amount","58.87")
success = json.UpdateString("invoiceLines[0].taxableItems[0].taxType","T1")
success = json.UpdateNumber("invoiceLines[0].taxableItems[0].amount","74.17")
success = json.UpdateString("invoiceLines[0].taxableItems[0].subType","No sub")
success = json.UpdateNumber("invoiceLines[0].taxableItems[0].rate","14.00")
success = json.UpdateString("invoiceLines[0].internalCode","9099994")
success = json.UpdateNumber("totalSales","588.67")
success = json.UpdateNumber("totalSalesAmount","588.67")
success = json.UpdateNumber("totalDiscountAmount","58.87")
success = json.UpdateNumber("netAmount","529.80")
success = json.UpdateString("taxTotals[0].taxType","T1")
success = json.UpdateNumber("taxTotals[0].amount","74.17")
success = json.UpdateInt("extraDiscountAmount",0)
success = json.UpdateInt("totalItemsDiscountAmount",0)
success = json.UpdateNumber("totalAmount","603.97")
json.EmitCompact = 1
jsonToSign = json.Emit()
' Create the CAdES-BES signature.
crypt.EncodingMode = "base64"
' Make sure we sign the utf-8 byte representation of the JSON string
crypt.Charset = "utf-8"
sigBase64 = crypt.SignStringENC(jsonToSign)
If (crypt.LastMethodSuccess = 0) Then
Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>"
Response.End
End If
Response.Write "<pre>" & Server.HTMLEncode( "Base64 signature:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( sigBase64) & "</pre>"
' Insert the base64 signature into the JSON to be sent
success = json.UpdateString("signatures[0].signatureType","I")
success = json.UpdateString("signatures[0].value",sigBase64)
' Wrap the JSON in {"documents":[ ... ]}
set sbToSend = Server.CreateObject("Chilkat.StringBuilder")
success = sbToSend.Append("{""documents"":[")
success = sbToSend.Append(json.Emit())
success = sbToSend.Append("]}")
' ------------------------------------------------------------------------
' Get an access token using our client ID and client secret key
clientId = "abc999ff-1234"
clientSecretKey = "123fff22-1234-abcd"
set http = Server.CreateObject("Chilkat.Http")
' Causes the Authorization: Basic header to be added..
http.Login = clientId
http.Password = clientSecretKey
http.BasicAuth = 1
set req = Server.CreateObject("Chilkat.HttpRequest")
req.HttpVerb = "POST"
req.Path = "/connect/token"
req.ContentType = "application/x-www-form-urlencoded"
req.AddParam "grant_type","client_credentials"
req.AddHeader "Connection","close"
http.Accept = "application/json"
set resp = Server.CreateObject("Chilkat.HttpResponse")
success = http.HttpReq("https://id.preprod.eta.gov.eg/connect/token",req,resp)
If (success = 0) Then
Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
Response.End
End If
success = http.CloseAllConnections()
Response.Write "<pre>" & Server.HTMLEncode( "Response status code: " & resp.StatusCode) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Response body:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( resp.BodyStr) & "</pre>"
If (resp.StatusCode <> 200) Then
Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
Response.End
End If
set jsonToken = Server.CreateObject("Chilkat.JsonObject")
success = jsonToken.Load(resp.BodyStr)
accessToken = jsonToken.StringOf("access_token")
Response.Write "<pre>" & Server.HTMLEncode( "access_token = " & accessToken) & "</pre>"
' ------------------------------------------------------------------------
' Submit the signed JSON to the ETA (Egypt Tax Authority) Portal
' No longer sending basic authentication...
http.Login = ""
http.Password = ""
http.BasicAuth = 0
' Setting the AuthToken property causes the "Authorization: Bearer <token>" header to be added to each request.
http.AuthToken = accessToken
jsonStr = sbToSend.GetAsString()
url = "https://api.preprod.invoicing.eta.gov.eg/api/v1/documentsubmissions"
success = http.HttpStr("POST",url,jsonStr,"utf-8","application/json; charset=utf-8",resp)
If (success = 0) Then
Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
Response.End
End If
Response.Write "<pre>" & Server.HTMLEncode( "Response status code: " & resp.StatusCode) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Response body:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( resp.BodyStr) & "</pre>"
%>
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