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(Delphi ActiveX) Banco Inter OAuth2 Client CredentialsGenerate an OAuth2 access token needed to consume the Inter APIs. Note: This example requires Chilkat v11.0.0 or greater. For more information, see https://developers.bancointer.com.br/reference/token-3
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var success: Integer; http: TChilkatHttp; cert: TChilkatCert; bdPrivKey: TChilkatBinData; privKey: TPrivateKey; req: TChilkatHttpRequest; resp: TChilkatHttpResponse; jResp: TChilkatJsonObject; respStatusCode: Integer; begin success := 0; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http := TChilkatHttp.Create(Self); // First load the certificate and private key, and set as the HTTP object's client certificate. cert := TChilkatCert.Create(Self); success := cert.LoadFromFile('<nome arquivo certificado>.crt'); if (success = 0) then begin Memo1.Lines.Add(cert.LastErrorText); Exit; end; bdPrivKey := TChilkatBinData.Create(Self); success := bdPrivKey.LoadFile('<nome arquivo chave privada>.key'); if (success = 0) then begin Memo1.Lines.Add('Failed to load <nome'); Exit; end; privKey := TPrivateKey.Create(Self); success := privKey.LoadAnyFormat(bdPrivKey.ControlInterface,''); if (success = 0) then begin Memo1.Lines.Add(privKey.LastErrorText); Exit; end; success := cert.SetPrivateKey(privKey.ControlInterface); if (success = 0) then begin Memo1.Lines.Add(cert.LastErrorText); Exit; end; success := http.SetSslClientCert(cert.ControlInterface); if (success = 0) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; req := TChilkatHttpRequest.Create(Self); 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'); resp := TChilkatHttpResponse.Create(Self); success := http.HttpReq('https://cdpj.partners.bancointer.com.br/oauth/v2/token',req.ControlInterface,resp.ControlInterface); if (success = 0) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; jResp := TChilkatJsonObject.Create(Self); resp.GetBodyJson(jResp.ControlInterface); jResp.EmitCompact := 0; Memo1.Lines.Add('Response Body:'); Memo1.Lines.Add(jResp.Emit()); respStatusCode := resp.StatusCode; Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode)); if (respStatusCode >= 400) then begin Memo1.Lines.Add('Response Header:'); Memo1.Lines.Add(resp.Header); Memo1.Lines.Add('Failed.'); Exit; end; success := jResp.WriteFile('qa_data/tokens/banco_inter_client_credentials.json'); if (success = 0) then begin Memo1.Lines.Add('Failed to save JSON access token file.'); Exit; end; Memo1.Lines.Add('Success.'); end; |
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