我是 node js 的新手,我想使用 await 语句让我的代码等待 Promise。我的承诺是使用 Discord API 来知道用户是否是特定服务器的成员。但是在执行“SyntaxError:await 仅在异步函数中有效”时出现错误。但我的代码是一个异步函数,所以我不明白有什么问题。谢谢。
(async () => {
const http = require('http');
const fs = require('fs');
const port = 53134;
const url = require('url');
const fetch = require('node-fetch');
const { execFile } = require('child_process');
let discordLog = async (accessCode) => {
let isEclaire = false;
const data = {
client_id: '805884181811822624',
client_secret: 'JRSPE0nmRn881Mi9cLC-gMozHKWLQVPT',
grant_type: 'authorization_code',
redirect_uri: 'http://localhost:53134',
code: accessCode,
scope: 'identify guilds',
};
return new Promise(() =>{
fetch('https://discord.com/api/oauth2/token', {
method: 'POST',
body: new URLSearchParams(data),
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
},
})
.then(discordRes => discordRes.json())
.then(discordData => {
console.log(discordData);
return discordData;
})
.then(discordData => fetch('https://discord.com/api/users/@me', {
headers: {
authorization: `${discordData.token_type} ${discordData.access_token}`,
},
}))
.then(userRes => userRes.json())
.then(userData => {
console.log(userData);
return userData;
})
.then(userData => fetch(`https://discord.com/api/guilds/799385448824438824/members/${userData.id}`, {
headers: {
authorization: `Bot ODA1ODg0MTgxODExODIyNjI0.YBhYIQ.h4zLzR7ybBC1uvFSb4iZTH-JVhM`,
},
}))
.then(guildRes => guildRes.json())
.then(guildData => {
console.log(guildData)
for(let i = 0; i<guildData.roles.length; i++) {
console.log(guildData.roles[i]);
if(guildData.roles[i] == '786007786500784138' || guildData.roles[i] == '805560066715025468' ) isEclaire = true;
}
return(isEclaire);
})
})
}
http.createServer((req, res) => {
let responseCode = 404;
let content = '404 Error';
const urlObj = url.parse(req.url, true);
let isEclaire = false;
if (urlObj.query.code) {
const accessCode = urlObj.query.code;
console.log(`The access code is: ${accessCode}`);
isEclaire = await discordLog(accessCode);
}
if(isEclaire){
res.writeHead(301,{Location: 'https://www.speedtest.net/'});
}else{
if (urlObj.pathname === '/') {
responseCode = 200;
content = fs.readFileSync('./sso-discord.html');
}
res.writeHead(responseCode, {
'content-type': 'text/html;charset=utf-8',
},
);
res.write(content);
}
res.end();
})
.listen(port);
})()
答案 0 :(得分:0)
首先 createServer 不是异步函数。您应该需要将获取的数据包装到一个单独的异步函数中。然后在这里调用它。
答案 1 :(得分:0)
尝试将您的 http 服务器的请求事件处理程序变成异步函数
改变这个
http.createServer((req, res) => { /* not async */
到这里
http.createServer(async (req, res) => {
并确保您使用的是相对较新版本的 nodejs。