Delphi ActiveX Google Drive: List a File's Permissions

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List the permissions for a file by file id. (In this example the file id = 1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl)

Documentation: https://developers.google.com/drive/v3/reference/permissions/list

var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
kind: WideString;
i: Integer;
count_i: Integer;
id: WideString;
type: WideString;
role: WideString;
allowFileDiscovery: Integer;

begin
rest := TChilkatRest.Create(Self);

//   Provide a previously obtained OAuth2 access token.
oauth2 := TChilkatOAuth2.Create(Self);
oauth2.AccessToken := 'OAUTH2_ACCESS_TOKEN';
rest.SetAuthOAuth2(oauth2.ControlInterface);

success := rest.Connect('www.googleapis.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddQueryParam('includeTeamDriveItems','true');
rest.AddQueryParam('supportsTeamDrives','true');

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/drive/v3/files/1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl/permissions',sbJson.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

if (rest.ResponseStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(sbJson.GetAsString());
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sbJson.ControlInterface);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

kind := json.StringOf('kind');
i := 0;
count_i := json.SizeOfArray('permissions');
while i < count_i do
  begin
    json.I := i;
    kind := json.StringOf('permissions[i].kind');
    id := json.StringOf('permissions[i].id');
    type := json.StringOf('permissions[i].type');
    role := json.StringOf('permissions[i].role');
    allowFileDiscovery := json.BoolOf('permissions[i].allowFileDiscovery');
    i := i + 1;
  end;

Memo1.Lines.Add('Example Completed.');

Sample JSON Response Body

{
  "kind": "drive#permissionList",
  "permissions": [
    {
      "kind": "drive#permission",
      "id": "07604395918166943595k",
      "type": "domain",
      "role": "reader",
      "allowFileDiscovery": false
    },
    {
      "kind": "drive#permission",
      "id": "05909037819814716957",
      "type": "user",
      "role": "organizer"
    },
    {
      "kind": "drive#permission",
      "id": "13254573739200948291",
      "type": "user",
      "role": "organizer"
    }
  ]
}