Node.js

Banco Inter OAuth2 Client Credentials

Generate an OAuth2 access token needed to consume the Inter APIs. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var http = new chilkat.Http();

    // First load the certificate and private key, and set as the HTTP object's client certificate.
    var cert = new chilkat.Cert();
    success = cert.LoadFromFile("<nome arquivo certificado>.crt");
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    var bdPrivKey = new chilkat.BinData();
    success = bdPrivKey.LoadFile("<nome arquivo chave privada>.key");
    if (success == false) {
        console.log("Failed to load <nome");
        return;
    }

    var privKey = new chilkat.PrivateKey();
    success = privKey.LoadAnyFormat(bdPrivKey,"");
    if (success == false) {
        console.log(privKey.LastErrorText);
        return;
    }

    success = cert.SetPrivateKey(privKey);
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    success = http.SetSslClientCert(cert);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    var req = 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");

    var resp = new chilkat.HttpResponse();
    success = http.HttpReq("https://cdpj.partners.bancointer.com.br/oauth/v2/token",req,resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    var jResp = new chilkat.JsonObject();
    resp.GetBodyJson(jResp);
    jResp.EmitCompact = false;

    console.log("Response Body:");
    console.log(jResp.Emit());

    var respStatusCode = resp.StatusCode;
    console.log("Response Status Code = " + respStatusCode);
    if (respStatusCode >= 400) {
        console.log("Response Header:");
        console.log(resp.Header);
        console.log("Failed.");
        return;
    }

    success = jResp.WriteFile("qa_data/tokens/banco_inter_client_credentials.json");
    if (success == false) {
        console.log("Failed to save JSON access token file.");
        return;
    }

    console.log("Success.");

}

chilkatExample();