Delphi DLL

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 DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
ReturnCode: Integer;
ReturnCodeText: PWideChar;
Data: PWideChar;
jsonData: HCkJsonObject;
token: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// 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 := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'MedTunnelId','yourMedTunnelId@yourGroup');
CkJsonObject_UpdateString(json,'Password','yourPassword');
CkJsonObject_UpdateString(json,'ApplicationId','yourApplicationId');
CkJsonObject_UpdateString(json,'LocationId','yourLocationId');
CkJsonObject_UpdateString(json,'ExpirationInMinutes','50');

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

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);

resp := CkHttpResponse_Create();
success := CkHttp_HttpSb(http,'PUT','https://server.medtunnel.com/MedTunnelSvc/api/Authenticate/LoginUser',sbRequestBody,'utf-8','application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

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

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

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    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 := CkJsonObject_IntOf(jResp,'ReturnCode');
ReturnCodeText := CkJsonObject__stringOf(jResp,'ReturnCodeText');
Data := CkJsonObject__stringOf(jResp,'Data');

// Load the Data into another JSON object and parse..
jsonData := CkJsonObject_Create();
CkJsonObject_Load(jsonData,Data);
CkJsonObject_putEmitCompact(jsonData,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonData));

// 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 := CkJsonObject__stringOf(jsonData,'Token');
Memo1.Lines.Add('Token: ' + token);

CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
CkJsonObject_Dispose(jsonData);

end;