使用 Axios 向 Pinterest API 发出 post 请求

Question

我目前坚持向 pinterest api 发出帖子请求。虽然我觉得我的代码运行良好，但我不断从 pinterest api 回复 "Invalid Request Body"。

根据他们网站上的文档，这是他们所说的应该提出请求的方式：

curl -X POST https://api.pinterest.com/v5/oauth/token --header "Authorization: Basic {base64 encoded string made of client_id:client_secret}" --header 'Content-Type: application/x-www-form-urlencoded' --data-urlencode 'grant_type=authorization_code' --data-urlencode 'code={YOUR_CODE}' --data-urlencode 'redirect_uri=http://localhost/'

这是我在 ExpressJS 应用程序中使用 Axios 发出请求的方式：

    const redirectUrl = process.env.PINTEREST_OAUTH_CALLBACK_URL;
    const clientId = process.env.PINTEREST_APP_ID;
    const clientSecret = process.env.PINTEREST_APP_SECRET;
    let url = 'https://api.pinterest.com/v5/oauth/token';
    let accessTokenRequestBody = {
        code: encodeURIComponent(code), //code is defined at the top as received from pinterest
        grant_type: encodeURIComponent("authorization_code"),
        redirect_uri: encodeURIComponent(redirectUrl)
    }
    console.log(`RequestBody =${JSON.stringify(accessTokenRequestBody, null, 2)}`);
    const clientIdAndSecretBase64 = Buffer.from(`${clientId}:${clientSecret}`).toString('base64');
    axios.post(url, accessTokenRequestBody, {
        headers: {
            'Content-Type': 'application/application/x-www-form-urlencoded; charset=UTF-8',
            'Authorization': `Basic ${clientIdAndSecretBase64}`
        }
    }).then((response) => {
        let responseData = response.data;
        console.log(`Pinterest ResponseData = ${JSON.stringify(responseData, null, 2)}`);
    }).catch((e) => {
        console.log(`${JSON.stringify(e.response.data)}`);
    });

这是我不断收到的回复：

{code:1, message:"Invalid request body"}

这是我正在使用的文档的链接

https://developers.pinterest.com/docs/api/v5/#tag/Authentication

拜托，我在这里做错了什么，因为我相信我在请求中提供了他们需要的一切。

感谢您的期待。

Answer 1

const redirectUrl = process.env.PINTEREST_OAUTH_CALLBACK_URL;
const clientId = process.env.PINTEREST_APP_ID;
const clientSecret = process.env.PINTEREST_APP_SECRET;

let url = 'https://api.pinterest.com/v5/oauth/token';
let body = {
    'code': code, //code is defined at the top as received from pinterest
    'grant_type': 'authorization_code',
    'redirect_uri': redirectUrl
};

// Fix code
let accessTokenRequestBody = Object.keys(body)
    .map(k => `${encodeURIComponent(k)}=${encodeURIComponent(body[k])}`)
    .join('&');

console.log(`RequestBody =${JSON.stringify(accessTokenRequestBody, null, 2)}`);

const clientIdAndSecretBase64 = Buffer.from(`${clientId}:${clientSecret}`).toString('base64');

axios.post(url, accessTokenRequestBody, {
    headers: {
        'Content-Type': 'application/application/x-www-form-urlencoded; charset=UTF-8',
        'Authorization': `Basic ${clientIdAndSecretBase64}`
    }
}).then((response) => {
    let responseData = response.data;
    console.log(`Pinterest ResponseData = ${JSON.stringify(responseData, null, 2)}`);
}).catch((e) => {
    console.log(`${JSON.stringify(e.response.data)}`);
});