(Delphi ActiveX) Get Populi Access Key (Token)

Demonstrates how to authenticate and obtain an access key using a username and password.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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
rest: TChilkatRest;
bAutoReconnect: Integer;
success: Integer;
responseBody: WideString;
xml: TChilkatXml;

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

rest := TChilkatRest.Create(Self);

// Connect using TLS.
// A single REST object, once connected, can be used for many Populi REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
bAutoReconnect := 1;
success := rest.Connect('yourcollege.populi.co',443,1,bAutoReconnect);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddQueryParam('username','POPULI_USERNAME');
rest.AddQueryParam('password','POPULI_PASSWORD');

responseBody := rest.FullRequestFormUrlEncoded('POST','/api/index.php');
if (rest.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// We should expect a 200 response if successful.
if (rest.ResponseStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Request Header: ');
    Memo1.Lines.Add(rest.LastRequestHeader);
    Memo1.Lines.Add('----');
    Memo1.Lines.Add('Response StatusCode = ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('Response StatusLine: ' + rest.ResponseStatusText);
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(responseBody);
    Exit;
  end;

xml := TChilkatXml.Create(Self);
xml.LoadXml(responseBody);
Memo1.Lines.Add(xml.GetXml());

// Sample response:
// <?xml version="1.0" encoding="ISO-8859-1"?>
// <response>
// <access_key>63481e36023b5d ... 76d0dbc314</access_key>
//     <accountid>19999999</accountid>
//     <accounttype>PERSON</accounttype>
// </response>

// Save the XML to a file for subsequent requests..
xml.SaveXml('qa_data/tokens/populi_token.xml');
end;