Zig

Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 with outlook.office365.com. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // 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.
    const json_token = try chilkat.JsonObject.init();
    defer json_token.deinit();
    json_token.loadFile("qa_data/tokens/office365.json") catch {
        std.debug.print("Failed to open the office365 OAuth JSON file.\n", .{});
        return;
    };

    const imap = try chilkat.Imap.init();
    defer imap.deinit();

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

    // Connect to the Office365 IMAP server.
    imap.connect("outlook.office365.com") catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    // 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", try json_token.stringOf(alloc, "access_token")) catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("O365 OAuth authentication is successful.\n", .{});

    // Do something...
    imap.selectMailbox("Inbox") catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

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

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

    std.debug.print("Finished.\n", .{});
}