SDKを使用したOAuth 2.0

var redirectUrl = "[REDIRECT_URI]";
var config = new BoxConfig("[CLIENT_ID]", "[CLIENT_SECRET]", new Uri(redirectUrl));
var sdk = new BoxClient(config);

import com.box.sdk.BoxAPIConnection;

String authorizationUrl = "https://account.box.com/api/oauth2/authorize?client_id=[CLIENT_ID]&response_type=code";

from boxsdk import OAuth2, Client

auth = OAuth2(
    client_id='[CLIENT_ID]',
    client_secret='[CLIENT_SECRET]'
)

var BoxSDK = require("box-node-sdk");

var sdk = new BoxSDK({
    clientID: "[CLIENT_ID]",
    clientSecret: "[CLIENT_SECRET]",
});

var authorizationUrl = "https://account.box.com/api/oauth2/authorize?client_id=[CLIENT_ID]&response_type=code";
// redirectTo(authorizationUrl);

String authorizationUrl = "https://account.box.com/api/oauth2/authorize?client_id=[CLIENT_ID]&response_type=code";

// response.redirect(authorizationUrl);

auth_url, csrf_token = auth.get_authorization_url('[REDIRECT_URL]')

// redirect(auth_url, code=302)

var authorize_url = sdk.getAuthorizeURL({
    response_type: "code",
});

// res.redirect(authorize_url)

var session = await sdk.Auth.AuthenticateAsync("[CODE]");
var client = new BoxClient(config, session);

BoxAPIConnection client = new BoxAPIConnection(
    "[CLIENT_ID]",
    "[CLIENT_SECRET]",
    "[CODE]"
);

auth.authenticate('[CODE]')
client = Client(auth)

var code = "...";

sdk.getTokensAuthorizationCodeGrant("[CODE]", null, function (err, tokenInfo) {
    var client = sdk.getPersistentClient(tokenInfo);
});