![]() |
Chilkat HOME Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi DLL Go Java Node.js Objective-C PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Delphi DLL) Group: Refresh OAuth2 Access TokenRefreshes an expired or non-expired OAuth2 access token for the Microsoft Group REST API. Note: This example requires Chilkat v11.0.0 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpRequest, HttpResponse, JsonObject, FileAccess; ... procedure TForm1.Button1Click(Sender: TObject); var success: Boolean; json: HCkJsonObject; req: HCkHttpRequest; http: HCkHttp; resp: HCkHttpResponse; fac: HCkFileAccess; begin success := False; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. json := CkJsonObject_Create(); success := CkJsonObject_LoadFile(json,'qa_data/tokens/msGraphGroup.json'); if (success <> True) then begin Exit; end; req := CkHttpRequest_Create(); CkHttpRequest_AddParam(req,'grant_type','refresh_token'); CkHttpRequest_AddParam(req,'redirect_uri','http://localhost:3017/'); CkHttpRequest_AddParam(req,'client_id','MICROSOFT-GRAPH-CLIENT-ID'); CkHttpRequest_AddParam(req,'client_secret','MICROSOFT-GRAPH-CLIENT-SECRET'); CkHttpRequest_AddParam(req,'refresh_token',CkJsonObject__stringOf(json,'refresh_token')); CkHttpRequest_AddParam(req,'scope','openid profile offline_access user.readwrite group.readwrite.all files.readwrite'); http := CkHttp_Create(); CkHttpRequest_putHttpVerb(req,'POST'); CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded'); resp := CkHttpResponse_Create(); success := CkHttp_HttpReq(http,'https://login.microsoftonline.com/common/oauth2/v2.0/token',req,resp); if (success = False) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; // Load the JSON response. CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp)); CkJsonObject_putEmitCompact(json,False); // Show the JSON response. Memo1.Lines.Add(CkJsonObject__emit(json)); Memo1.Lines.Add('Response status code: ' + IntToStr(CkHttpResponse_getStatusCode(resp))); // If the response status code is not 200, then it's an error. if (CkHttpResponse_getStatusCode(resp) <> 200) then begin Exit; end; // Save the refreshed access token JSON to a file for future requests. fac := CkFileAccess_Create(); CkFileAccess_WriteEntireTextFile(fac,'qa_data/tokens/msGraphGroup.json',CkJsonObject__emit(json),'utf-8',False); Memo1.Lines.Add('Success.'); CkJsonObject_Dispose(json); CkHttpRequest_Dispose(req); CkHttp_Dispose(http); CkHttpResponse_Dispose(resp); CkFileAccess_Dispose(fac); end; |
© 2000-2025 Chilkat Software, Inc. All Rights Reserved.