错误：使用Youtube Data API时未经授权

问题描述

我有一个Web应用程序，通过它我可以创建播放列表，将视频添加到播放列表，删除视频等到我的YouTube频道。我按照示例YouTube API quickstart for nodejs进行了操作，在过去将近2周的时间里，所有内容都在本地运行，但是似乎无处不在，每次尝试调用API创建API时，我都会受到Error: Unauthorized的打击例如播放列表。

{
  message: 'Unauthorized',status: undefined,stackHighlighted: 'Error: Unauthorized\n' +
    '    at Gaxios._request (c:\\apps\\node\\myapp\\node_modules\\gaxios\\build\\src\\<mark>gaxios.js:89:23</mark>)\n' +
    '    at processticksAndRejections (internal/process/<mark>task_queues.js:93:5</mark>)\n' +
    '    at async oauth2client.requestAsync (c:\\apps\\node\\myapp\\node_modules\\google-auth-library\\build\\src\\auth\\<mark>oauth2client.js:343:18</mark>)\n' +
    '    at async createPlaylist (file:///c:/apps/node/myapp/controllers/youtube.<mark>controller.js:76:22</mark>)'
}

第76行是我打电话给youtube.playlists.insert的地方。

唯一改变的是我将应用程序移动到了实时服务器，因此现在我的本地副本和服务器上的副本都无法正常工作。我的代码基本上如下所示。

var fs = require('fs');
var readline = require('readline');
var {google} = require('googleapis');
var OAuth2 = google.auth.OAuth2;

// If modifying these scopes,delete your prevIoUsly saved credentials
// at ~/.credentials/youtube-nodejs-quickstart.json
var ScopES = ['https://www.googleapis.com/auth/youtube'];
var TOKEN_DIR = (process.env.HOME || process.env.HOMEPATH ||
    process.env.USERPROFILE) + '/.credentials/';
var TOKEN_PATH = TOKEN_DIR + 'youtube-nodejs-quickstart.json';

// Load client secrets from a local file.
fs.readFile('client_secret.json',function processClientSecrets(err,content) {
  if (err) {
    console.log('Error loading client secret file: ' + err);
    return;
  }
  // Authorize a client with the loaded credentials,then call the YouTube API.
  authorize(JSON.parse(content),getChannel);
});

/**
 * Create an OAuth2 client with the given credentials,and then execute the
 * given callback function.
 *
 * @param {Object} credentials The authorization client credentials.
 * @param {function} callback The callback to call with the authorized client.
 */
function authorize(credentials,callback) {
  var clientSecret = credentials.installed.client_secret;
  var clientId = credentials.installed.client_id;
  var redirectUrl = credentials.installed.redirect_uris[0];
  var oauth2client = new OAuth2(clientId,clientSecret,redirectUrl);

  // Check if we have prevIoUsly stored a token.
  fs.readFile(TOKEN_PATH,function(err,token) {
    if (err) {
      getNewToken(oauth2client,callback);
    } else {
      oauth2client.credentials = JSON.parse(token);
      callback(oauth2client);
    }
  });
}

/**
 * Get and store new token after prompting for user authorization,and then
 * execute the given callback with the authorized OAuth2 client.
 *
 * @param {google.auth.OAuth2} oauth2client The OAuth2 client to get token for.
 * @param {getEventsCallback} callback The callback to call with the authorized
 *     client.
 */
function getNewToken(oauth2client,callback) {
  var authUrl = oauth2client.generateAuthUrl({
    access_type: 'offline',scope: ScopES
  });
  console.log('Authorize this app by visiting this url: ',authUrl);
  var rl = readline.createInterface({
    input: process.stdin,output: process.stdout
  });
  rl.question('Enter the code from that page here: ',function(code) {
    rl.close();
    oauth2client.getToken(code,token) {
      if (err) {
        console.log('Error while trying to retrieve access token',err);
        return;
      }
      oauth2client.credentials = token;
      storetoken(token);
      callback(oauth2client);
    });
  });
}

/**
 * Store token to disk be used in later program executions.
 *
 * @param {Object} token The token to store to disk.
 */
function storetoken(token) {
  try {
    fs.mkdirsync(TOKEN_DIR);
  } catch (err) {
    if (err.code != 'EEXIST') {
      throw err;
    }
  }
  fs.writeFile(TOKEN_PATH,JSON.stringify(token),(err) => {
    if (err) throw err;
    console.log('Token stored to ' + TOKEN_PATH);
  });
}

/**
 * Lists the names and IDs of up to 10 files.
 *
 * @param {google.auth.OAuth2} auth An authorized OAuth2 client.
 */
function getChannel(auth) {
  var service = google.youtube('v3');
  service.channels.list({
    auth: auth,part: 'snippet,contentDetails,statistics',forUsername: 'GoogleDevelopers'
  },response) {
    if (err) {
      console.log('The API returned an error: ' + err);
      return;
    }
    var channels = response.data.items;
    if (channels.length == 0) {
      console.log('No channel found.');
    } else {
      console.log('This channel\'s ID is %s. Its title is \'%s\',and ' +
                  'it has %s views.',channels[0].id,channels[0].snippet.title,channels[0].statistics.viewCount);
    }
  });
}

我不明白为什么会这样。任何见识将不胜感激。

解决方法

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