MS Exchange“现代身份验证”支持 java 的 EMAIL

Question

I have been asked to upgrade the java code to support modern authentication (which currently supports basic auth) for MS Exchange used to send email from server. I have clientid, tenantid, and client secret already with me. I have scrolled and went thru many articles on web, I got the understanding of oAuth2 and flow of what needs to be done, but I am unable to actually find the java libraries for the purpose. Any help, tutorial links or sample code will help.

Went thru this article: https://javaee.github.io/javamail/OAuth2#:~:text=Starting%20with%20JavaMail%201.5.,use%20only%20the%20XOAUTH2%20mechanism . but the link for ms server does not proivde require info

Answer 1

The lib for ews is ews-java-api The example how to use Modern flow:

1. Get token with scope - https://outlook.office365.com/EWS.AccessAsUser.All
2. Add the token to headers:

var service = new ExchangeService(ExchangeVersion.Exchange2010_SP2);
service.setUrl(URI.create("https://outlook.office365.com/ews/exchange.asmx"));
service.getHttpHeaders().put("Authorization", "Bearer " + token);

See the docs: https://docs.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-authenticate-an-ews-application-by-using-oauth