Delphi DLL

RSAP Union API - Get Members Status

See more _Miscellaneous_ Examples

Demonstrates how to use an OAuth2 access token for the RSAP Union API. Calls the endpoint to get the statuses of all union members. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, PrivateKey, Cert, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
jToken: HCkJsonObject;
cert: HCkCert;
privKey: HCkPrivateKey;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;

begin
success := False;

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

http := CkHttp_Create();

// Load the access token previously obtained by this example:  RSAP Union OAuth2
jToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jToken,'qa_data/tokens/rsapToken.json');
if (success = False) then
  begin
    Memo1.Lines.Add('Failed to load access token JSON.');
    Exit;
  end;

// Adds the "Authorization: Bearer ACCESS_TOKEN" header.
CkHttp_putAuthToken(http,CkJsonObject__stringOf(jToken,'access_token'));

// For authentication, assuming both the client cert and access token are needed???
cert := CkCert_Create();
success := CkCert_LoadFromFile(cert,'qa_data/certs_and_keys/union_client_certificate.crt');
if (success = False) then
  begin
    Memo1.Lines.Add(CkCert__lastErrorText(cert));
    Exit;
  end;

privKey := CkPrivateKey_Create();
success := CkPrivateKey_LoadAnyFormatFile(privKey,'qa_data/certs_and_keys/union_client_certificate.nopass.key','');
if (success = False) then
  begin
    Memo1.Lines.Add(CkPrivateKey__lastErrorText(privKey));
    Exit;
  end;

// Associate the private key with the cert.
// This will fail if the private key is not actually the correct one that corresponds to the public key stored within the cert.
success := CkCert_SetPrivateKey(cert,privKey);
if (success = False) then
  begin
    Memo1.Lines.Add(CkCert__lastErrorText(cert));
    Exit;
  end;

// Tell HTTP to use the cert for client TLS certificate authentication.
success := CkHttp_SetSslClientCert(http,cert);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://api-test.rsap.ca/members/status',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttp__lastHeader(http));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

CkHttp_Dispose(http);
CkJsonObject_Dispose(jToken);
CkCert_Dispose(cert);
CkPrivateKey_Dispose(privKey);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;