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(VB.NET) Banco Inter OAuth2 Client CredentialsGenerate an OAuth2 access token needed to consume the Inter APIs. For more information, see https://developers.bancointer.com.br/reference/token-3
' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. Dim http As New Chilkat.Http Dim success As Boolean ' First load the certificate and private key, and set as the HTTP object's client certificate. Dim cert As New Chilkat.Cert success = cert.LoadFromFile("<nome arquivo certificado>.crt") If (success = False) Then Debug.WriteLine(cert.LastErrorText) Exit Sub End If Dim bdPrivKey As New Chilkat.BinData success = bdPrivKey.LoadFile("<nome arquivo chave privada>.key") If (success = False) Then Debug.WriteLine("Failed to load <nome") Exit Sub End If Dim privKey As New Chilkat.PrivateKey success = privKey.LoadAnyFormat(bdPrivKey,"") If (success = False) Then Debug.WriteLine(privKey.LastErrorText) Exit Sub End If success = cert.SetPrivateKey(privKey) If (success = False) Then Debug.WriteLine(cert.LastErrorText) Exit Sub End If success = http.SetSslClientCert(cert) If (success = False) Then Debug.WriteLine(http.LastErrorText) Exit Sub End If Dim req As New Chilkat.HttpRequest req.HttpVerb = "POST" req.Path = "/oauth/v2/token" req.ContentType = "application/x-www-form-urlencoded" req.AddParam("grant_type","client_credentials") ' Requested scopes in OAuth2 are typically SPACE separated. req.AddParam("scope","boleto-cobranca.read boleto-cobranca.write") req.AddHeader("accept","application/json") Dim resp As Chilkat.HttpResponse = http.PostUrlEncoded("https://cdpj.partners.bancointer.com.br/oauth/v2/token",req) If (http.LastMethodSuccess = False) Then Debug.WriteLine(http.LastErrorText) Exit Sub End If Dim jResp As New Chilkat.JsonObject resp.GetBodyJson(jResp) jResp.EmitCompact = False Debug.WriteLine("Response Body:") Debug.WriteLine(jResp.Emit()) Dim respStatusCode As Integer = resp.StatusCode Debug.WriteLine("Response Status Code = " & respStatusCode) If (respStatusCode >= 400) Then Debug.WriteLine("Response Header:") Debug.WriteLine(resp.Header) Debug.WriteLine("Failed.") Exit Sub End If success = jResp.WriteFile("qa_data/tokens/banco_inter_client_credentials.json") If (success = False) Then Debug.WriteLine("Failed to save JSON access token file.") Exit Sub End If Debug.WriteLine("Success.") |
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