Unicode C++

Office365 IMAP with OAuth2 Authentication

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Demonstrates how to authenticate using OAuth2 with outlook.office365.com. Unicode C++

#include <CkJsonObjectW.h>
#include <CkImapW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // An Office365 OAuth2 access token must first be obtained prior
    // to running this code.

    // Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
    // interactive authorizaition via a web browser.  Afterwards, the access token
    // can be repeatedly refreshed automatically.

    // See the following examples for getting and refreshing an OAuth2 access token

    // Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
    // Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

    // First get our previously obtained OAuth2 access token.
    CkJsonObjectW jsonToken;
    success = jsonToken.LoadFile(L"qa_data/tokens/office365.json");
    if (success == false) {
        wprintf(L"Failed to open the office365 OAuth JSON file.\n");
        return;
    }

    CkImapW imap;

    imap.put_Ssl(true);
    imap.put_Port(993);

    // Connect to the Office365 IMAP server.
    success = imap.Connect(L"outlook.office365.com");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Use OAuth2 authentication.
    imap.put_AuthMethod(L"XOAUTH2");

    // Login using our username (i.e. email address) and the access token for the password.
    success = imap.Login(L"OFFICE365_EMAIL_ADDRESS",jsonToken.stringOf(L"access_token"));
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    wprintf(L"O365 OAuth authentication is successful.\n");

    // Do something...
    success = imap.SelectMailbox(L"Inbox");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Your application can continue to do other things in the IMAP session....

    // When finished, logout and close the connection.
    success = imap.Logout();
    success = imap.Disconnect();

    wprintf(L"Finished.\n");
    }