自动创建 Google Meet

npm install google-auth-library jsonwebtoken node-fetch

const fs = require('fs');
const jwt = require('jsonwebtoken');

// 服务帐号 JSON 文件路径
const service_account_key_file = '/path/to/your/service-account-key.json';

// API所需的范围
const scopes = ['https://www.googleapis.com/auth/calendar']; // 完整日历访问权限
const audience = 'https://oauth2.googleapis.com/token';

async function generateJWT() {
    try {
        // 读取并解析服务帐号凭据
        const serviceAccount = JSON.parse(fs.readFileSync(service_account_key_file, 'utf8'));

        // JWT 载荷
        const jwtPayload = {
            iss: serviceAccount.client_email,       // 发行者：服务帐号邮箱
            sub: 'user@example.com',                // 主题：要访问其日历的用户的邮箱
            aud: audience,                          // 受众：Google 令牌 URL
            scope: scopes.join(' '),                // 范围：用空格分隔的范围列表
            iat: Math.floor(Date.now() / 1000),     // 发行时间：当前时间（秒）
            exp: Math.floor(Date.now() / 1000) + 3600 // 过期时间：一小时后
        };

        // 使用服务帐号的私钥签名 JWT
        const signedJWT = jwt.sign(jwtPayload, serviceAccount.private_key, { algorithm: 'RS256' });

        console.log('生成的 JWT:', signedJWT);
        return signedJWT;
    } catch (error) {
        console.error('生成 JWT 发生错误:', error);
        return null;
    }
}

const fetch = require('node-fetch');

async function getAccessToken(signedJWT) {
    const response = await fetch('https://oauth2.googleapis.com/token', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded',
        },
        body: new URLSearchParams({
            'grant_type': 'urn:ietf:params:oauth:grant-type:jwt-bearer',
            'assertion': signedJWT
        })
    });
    const data = await response.json();
    return data.access_token;
}

async function createEvent(accessToken) {
    const eventData = {
        summary: '团队会议',
        description: '讨论项目更新',
        start: {
            dateTime: '2025-01-15T10:00:00Z'
        },
        end: {
            dateTime: '2025-01-15T11:00:00Z'
        },
        attendees: [
            { email: 'attendee1@gmail.com' },
            { email: 'attendee2@gmail.com' }
        ],
        conferenceData: {
            createRequest: {
                conferenceSolutionKey: { type: 'hangoutsMeet' },
                requestId: 'unique-request-id'
            }
        }
    };

    const response = await fetch('https://www.googleapis.com/calendar/v3/calendars/primary/events?conferenceDataVersion=1', {
        method: 'POST',
        headers: {
            'Authorization': `Bearer ${accessToken}`,
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(eventData),
    });

    const event = await response.json();
    console.log('已创建事件:', event);
}

(async () => {
    const signedJWT = await generateJWT();
    if (signedJWT) {
        const accessToken = await getAccessToken(signedJWT);
        await createEvent(accessToken);
    }
})();