我已经阅读了此文档：-https : //developers.google.com/identity/sign-in/web/server-side-flow
在最后一步，它接收授权代码，然后显示使用Java或python库接收访问令牌和刷新令牌的示例，但我在nodejs中找不到任何类似的示例。我如何使用nodejs复制相同的示例？我不能只发送帖子或获取请求给某些Google oauth api并使用授权码接收访问令牌吗？
提前致谢 ：）
Google API的Node.js客户端库提供oauth2Client.getToken(code, cb)了访问令牌（以及可选的刷新令牌），以交换授权代码：
oauth2Client.getToken(code, function (err, tokens) {
// Now tokens contains an access_token and an optional refresh_token. Save them.
if (!err) {
oauth2Client.setCredentials(tokens);
}
});
在https://github.com/google/google-api-nodejs-client/tree/master/samples上可以找到一个官方示例，其中包括oauth2.js，是oauth部分的帮助程序
您也可以在Paul Shan的网站上找到完整的示例，这是一个使用Google API Node.js Client的nodejs示例。编辑ClientId并ClientSecret运行此示例，然后转到http://127.0.0.1:8081
var http = require('http');
var express = require('express');
var Session = require('express-session');
var google = require('googleapis');
var plus = google.plus('v1');
var OAuth2 = google.auth.OAuth2;
const ClientId = "YOUR_CLIENT_ID";
const ClientSecret = "YOUR_CLIENT_SECRET";
const RedirectionUrl = "http://localhost:8081/oauthCallback";
var app = express();
app.use(Session({
secret: 'raysources-secret-19890913007',
resave: true,
saveUninitialized: true
}));
function getOAuthClient() {
return new OAuth2(ClientId, ClientSecret, RedirectionUrl);
}
function getAuthUrl() {
var oauth2Client = getOAuthClient();
// generate a url that asks permissions for Google+ and Google Calendar scopes
var scopes = [
'https://www.googleapis.com/auth/plus.me'
];
var url = oauth2Client.generateAuthUrl({
access_type: 'offline',
scope: scopes,
//use this below to force approval (will generate refresh_token)
//approval_prompt : 'force'
});
return url;
}
app.use("/oauthCallback", function(req, res) {
var oauth2Client = getOAuthClient();
var session = req.session;
var code = req.query.code;
oauth2Client.getToken(code, function(err, tokens) {
console.log("tokens : ", tokens);
// Now tokens contains an access_token and an optional refresh_token. Save them.
if (!err) {
oauth2Client.setCredentials(tokens);
session["tokens"] = tokens;
res.send(`
<html>
<body>
<h3>Login successful!!</h3>
<a href="/details">Go to details page</a>
<body>
<html>
`);
} else {
res.send(`
<html>
<body>
<h3>Login failed!!</h3>
</body>
</html>
`);
}
});
});
app.use("/details", function(req, res) {
var oauth2Client = getOAuthClient();
oauth2Client.setCredentials(req.session["tokens"]);
var p = new Promise(function(resolve, reject) {
plus.people.get({ userId: 'me', auth: oauth2Client }, function(err, response) {
console.log("response : ", response);
resolve(response || err);
});
}).then(function(data) {
res.send(`<html><body>
<img src=${data.image.url} />
<h3>Hello ${data.displayName}</h3>
</body>
</html>
`);
})
});
app.use("/", function(req, res) {
var url = getAuthUrl();
res.send(`
<html>
<body>
<h1>Authentication using google oAuth</h1>
<a href=${url}>Login</a>
</body>
</html>
`)
});
var port = 8081;
var server = http.createServer(app);
server.listen(port);
server.on('listening', function() {
console.log(`listening to ${port}`);
});
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