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带有Simple-OAuth2和客户端凭据流的Microsoft Graph API

[英]Microsoft Graph API with Simple-OAuth2 and Client Credentials Flow

我正在尝试使用NodeJS网站中的Simple-OAuth2使用Client Credentials Flow记录用户。

我的routes / index.js是这样的:

var express = require('express');
var router = express.Router();
var authHelper = require('../helpers/auth');

router.get('/', async function(req, res, next) {
  let parms = { title: 'Home', active: { home: true } };
  const accessToken = await authHelper.accessToken;
  res.render('index', parms);
});

module.exports = router;

我的auth.js是这样的:

const credentials = {
  client: {
    id: process.env.APP_ID,
    secret: process.env.APP_PASSWORD,
  },
  auth: {
    tokenHost: 'https://login.microsoftonline.com',
    authorizePath: "common/oauth2/v2.0/authorize",
    tokenPath: "common/oauth2/v2.0/token",
  }
};
const oauth2 = require('simple-oauth2').create(credentials);

const tokenConfig = {
  username: 'uuuuuu@dddddd.com',
  password: 'ppppppp',
  scope: process.env.APP_SCOPES,
};

try {
  const result = await oauth2.ownerPassword.getToken(tokenConfig);
  const accessToken = oauth2.accessToken.create(result);
} catch (error) {
  console.log('Access Token Error', error.message);
}
exports.accessToken = accessToken;

当我尝试启动网站时,nodejs向我显示了一个sintax错误:

const result = await oauth2.ownerPassword.getToken(tokenConfig);
               ^^^^^
SyntaxError: await is only valid in async function

这个错误对我来说没有多大意义,因为代码是由simple-oauth2提供的。

有人可以解释我的实际错误吗?

那么你必须将你的代码包装成async函数,这样你就可以在该函数中使用await关键字。 你可以在这里找到更多信息。

在你的情况下,我会将代码包装到函数中并导出该函数,如下所示:

const credentials = {
  client: {
    id: process.env.APP_ID,
    secret: process.env.APP_PASSWORD,
  },
  auth: {
    tokenHost: 'https://login.microsoftonline.com',
    authorizePath: "common/oauth2/v2.0/authorize",
    tokenPath: "common/oauth2/v2.0/token",
  }
};
const oauth2 = require('simple-oauth2').create(credentials);

const tokenConfig = {
  username: 'uuuuuu@dddddd.com',
  password: 'ppppppp',
  scope: process.env.APP_SCOPES,
};

const getAccessToken = async () => {
  try {
    const result = await oauth2.ownerPassword.getToken(tokenConfig);
    const accessToken = oauth2.accessToken.create(result);
    return accessToken;
  } catch (error) {
    console.log('Access Token Error', error.message);
    return null;
  }
};

exports.getAccessToken = getAccessToken;

然后你可以使用这样的功能:

var express = require('express');
var router = express.Router();
var authHelper = require('../helpers/auth');

router.get('/', async function(req, res, next) {
  let parms = { title: 'Home', active: { home: true } };
  const accessToken = await authHelper.getAccessToken();
  res.render('index', parms);
});

module.exports = router;

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