Delphi ActiveX

MedTunnel: Login User

See more MedTunnel Examples

Authenticate and create a session for the User. This gets a user token to be used in the Authorization header for other API calls. Delphi ActiveX

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;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
resp: TChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
ReturnCode: Integer;
ReturnCodeText: WideString;
Data: WideString;
jsonData: TChilkatJsonObject;
token: WideString;

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);

// Implements the following CURL command:

// curl -X PUT -k 
//         -H "Content-Type: application/json" 
//         -d '{        "MedTunnelId":"yourMedTunnelId@yourGroup",
//                         "Password":"yourPassword",
//                         "ApplicationId":"yourApplicationId",
//                         "LocationId":"yourLocationId",
//                         "ExpirationInMinutes":"50"
//                 }'
//         https://server.medtunnel.com/MedTunnelSvc/api/Authenticate/LoginUser

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "MedTunnelId": "yourMedTunnelId@yourGroup",
//   "Password": "yourPassword",
//   "ApplicationId": "yourApplicationId",
//   "LocationId": "yourLocationId",
//   "ExpirationInMinutes": "50"
// }

json := TChilkatJsonObject.Create(Self);
json.UpdateString('MedTunnelId','yourMedTunnelId@yourGroup');
json.UpdateString('Password','yourPassword');
json.UpdateString('ApplicationId','yourApplicationId');
json.UpdateString('LocationId','yourLocationId');
json.UpdateString('ExpirationInMinutes','50');

http.SetRequestHeader('Content-Type','application/json');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpSb('PUT','https://server.medtunnel.com/MedTunnelSvc/api/Authenticate/LoginUser',sbRequestBody.ControlInterface,'utf-8','application/json',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.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;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "ReturnCode": 1,
//   "ReturnCodeText": "Success",
//   "Data": "{\"UserId\":36990,\"UserTypeId\":1, ... \"UserRole\":\"Account Admin\"}"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

ReturnCode := jResp.IntOf('ReturnCode');
ReturnCodeText := jResp.StringOf('ReturnCodeText');
Data := jResp.StringOf('Data');

// Load the Data into another JSON object and parse..
jsonData := TChilkatJsonObject.Create(Self);
jsonData.Load(Data);
jsonData.EmitCompact := 0;
Memo1.Lines.Add(jsonData.Emit());

// Sample result.

// {
//   "UserId": 36990,
//   "UserTypeId": 1,
//   "UserTypeDesc": "Single Provider",
//   "Token": "MT 730DCA95-2B86-4A91-994E-99995B1A6FC1:9999952A-C6DA-4FB5-83D6-9999E880B4A2:50:/hc3CTWCS0kNMxZXTWR4NQ==:tev2vAToTCrnuyT6rxyCgQ==:sAYcvgPoIfaaCF0+gdeSD1GFcYk=",
//   "MailboxId": 36965,
//   "UserRole": "Account Admin"
// }

token := jsonData.StringOf('Token');
Memo1.Lines.Add('Token: ' + token);
end;