(VB.NET) Send POST to Bradesco Platform with Billing Ticket for Registration

Sends a POST request to the Bradesco platform containing the JSON data of the Billing Ticket for registration.

Note: This example requires updates that are in Chilkat v9.5.0.77 and later.

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' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.


' First build the JSON containing the data to be sent.

' {
' "nuCPFCNPJ":"12668",
' "filialCPFCNPJ":"1",
' "ctrlCPFCNPJ":"59",
' "cdTipoAcesso":"2",
' "idProduto":"9",
' "nuNegociacao":"262200000000005577",
' "nuCliente":"SEU_NUM_CLIENTE",
' "dtEmissaoTitulo":"21.09.2016",
' "dtVencimentoTitulo":"21.09.2016",
' "vlNominalTitulo":"888888",
' "cdEspecieTitulo":"2",
' "nomePagador":"NOME DO PAGADOR",
' "logradouroPagador":"ENDERECO DO PAGADOR",
' "nuLogradouroPagador":"1145",
' "complementoLogradouroPagador":"APTO 34",
' "cepPagador":"5588",
' "complementoCepPagador":"1",
' "bairroPagador":"BAIRRO PAGADOR",
' "municipioPagador":"MUNICIPIO PAGADOR",
' "ufPagador":"SP",
' "cdIndCpfcnpjPagador":"2",
' "nuCpfcnpjPagador":"12668000159",
' "endEletronicoPagador":"PAGADOR@BRADESCO.COM.BR",
' "nomeSacadorAvalista":"NOME SACADOR AVALISTA",
' "logradouroSacadorAvalista":"ENDERECO SACADOR AVALISTA",
' "nuLogradouroSacadorAvalista":"5555",
' "complementoLogradouroSacadorAvalista":"BLOCO 23",
' "cepSacadorAvalista":"6182",
' "complementoCepSacadorAvalista":"160",
' "bairroSacadorAvalista":"BAIRRO SACADOR AVALISTA",
' "municipioSacadorAvalista":"MUNICIPIO SACADOR AVALISTA",
' "ufSacadorAvalista":"SP",
' "cdIndCpfcnpjSacadorAvalista":"2",
' "nuCpfcnpjSacadorAvalista":"12668000159",
' "endEletronicoSacadorAvalista":"SACADOR@BRADESCO.COM.BR",
' }
' 

Dim success As Boolean
Dim json As New Chilkat.JsonObject
json.UpdateString("nuCPFCNPJ","12668")
json.UpdateString("filialCPFCNPJ","1")
json.UpdateString("ctrlCPFCNPJ","59")
json.UpdateString("cdTipoAcesso","2")
json.UpdateString("idProduto","9")
json.UpdateString("nuNegociacao","262200000000005577")
json.UpdateString("nuCliente","SEU_NUM_CLIENTE")
json.UpdateString("dtEmissaoTitulo","21.09.2016")
json.UpdateString("dtVencimentoTitulo","21.09.2016")
json.UpdateString("vlNominalTitulo","888888")
json.UpdateString("cdEspecieTitulo","2")
json.UpdateString("nomePagador","NOME DO PAGADOR")
json.UpdateString("logradouroPagador","ENDERECO DO PAGADOR")
json.UpdateString("nuLogradouroPagador","1145")
json.UpdateString("complementoLogradouroPagador","APTO 34")
json.UpdateString("cepPagador","5588")
json.UpdateString("complementoCepPagador","1")
json.UpdateString("bairroPagador","BAIRRO PAGADOR")
json.UpdateString("municipioPagador","MUNICIPIO PAGADOR")
json.UpdateString("ufPagador","SP")
json.UpdateString("cdIndCpfcnpjPagador","2")
json.UpdateString("nuCpfcnpjPagador","12668000159")
json.UpdateString("endEletronicoPagador","PAGADOR@BRADESCO.COM.BR")
json.UpdateString("nomeSacadorAvalista","NOME SACADOR AVALISTA")
json.UpdateString("logradouroSacadorAvalista","ENDERECO SACADOR AVALISTA")
json.UpdateString("nuLogradouroSacadorAvalista","5555")
json.UpdateString("complementoLogradouroSacadorAvalista","BLOCO 23")
json.UpdateString("cepSacadorAvalista","6182")
json.UpdateString("complementoCepSacadorAvalista","160")
json.UpdateString("bairroSacadorAvalista","BAIRRO SACADOR AVALISTA")
json.UpdateString("municipioSacadorAvalista","MUNICIPIO SACADOR AVALISTA")
json.UpdateString("ufSacadorAvalista","SP")
json.UpdateString("cdIndCpfcnpjSacadorAvalista","2")
json.UpdateString("nuCpfcnpjSacadorAvalista","12668000159")
json.UpdateString("endEletronicoSacadorAvalista","SACADOR@BRADESCO.COM.BR")

' Load out PFX file 
Dim cert As New Chilkat.Cert
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> True) Then
    Debug.WriteLine(cert.LastErrorText)
    Exit Sub
End If


Dim crypt As New Chilkat.Crypt2
success = crypt.SetSigningCert(cert)
If (success <> True) Then
    Debug.WriteLine(crypt.LastErrorText)
    Exit Sub
End If


' Use SHA-256 within the signing..
crypt.HashAlgorithm = "sha256"

' IMPORTANT: This example requires Chilkat v9.5.0.77 or later.
' Use no authenticated attributes
crypt.SigningAttributes = "{}"

json.EmitCompact = True
Dim sigBase64 As String = crypt.OpaqueSignStringENC(json.Emit())
If (crypt.LastMethodSuccess <> True) Then
    Debug.WriteLine(crypt.LastErrorText)
    Exit Sub
End If


' Next, we need to send a POST to the following URL where the body of the POST
' contains the binary PKCS7 signature (which embeds the JSON).
Dim url As String = "https://cobranca.bradesconetempresa.b.br/ibpjregistrotitulows/registrotitulohomologacao"

Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
' This is strange because apparently the server wants a "text/xml" Content-Type,
' but the content in the body is not actually XML, it's binary PKCS7.
req.ContentType = "text/xml"
req.LoadBodyFromString(sigBase64,"utf-8")

' We don't actually pass the URL, we set the path here, and the domain is passed below..
req.Path = "/ibpjregistrotitulows/registrotitulohomologacao"

Dim http As New Chilkat.Http
Dim resp As Chilkat.HttpResponse = http.SynchronousRequest("cobranca.bradesconetempresa.b.br",443,True,req)
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Response status code: " & resp.StatusCode)
Debug.WriteLine("Response body:")
Debug.WriteLine(resp.BodyStr)