Java

Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 with outlook.office365.com. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Imap;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // 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.
        JsonObject jsonToken = new JsonObject();
        try {
            jsonToken.loadFile("qa_data/tokens/office365.json");
        } catch (ChilkatException e) {
            System.out.println("Failed to open the office365 OAuth JSON file.");
            return;
        }

        Imap imap = new Imap();

        imap.setSsl(true);
        imap.setPort(993);

        // Connect to the Office365 IMAP server.
        try {
            imap.connect("outlook.office365.com");

            // Use OAuth2 authentication.
            imap.setAuthMethod("XOAUTH2");

            // Login using our username (i.e. email address) and the access token for the password.
            imap.login("OFFICE365_EMAIL_ADDRESS", jsonToken.stringOf("access_token"));
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("O365 OAuth authentication is successful.");

        // Do something...
        try {
            imap.selectMailbox("Inbox");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

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

        // When finished, logout and close the connection.
        imap.logout();
        imap.disconnect();

        System.out.println("Finished.");
    }
}