我在服务器上签署 URL 并将其发送回客户端,效果很好。这就是该函数的样子
const aws = require('aws-sdk'),
config = require('config'),
crypto = require('crypto');
module.exports = async function(file_type) {
aws.config.update({accessKeyId: config.AWS_ACCESS_KEY, secretAccessKey: config.AWS_SECRET_KEY})
const s3 = new aws.S3();
try {
if (!file_type === "image/png") {
return ({success: false, error: 'Please provide a valid video format'});
}
let buffer = await crypto.randomBytes(12);
let key = buffer.toString('hex');
let options = {
Bucket: config.AWS_S3_BUCKET,
Key: key,
Expires: 60,
ContentType: file_type,
ACL: 'public-read',
}
let data = await s3.getSignedUrl('putObject', options);
console.log('data was', data)
return ({
success: true,
signed_request: data,
url: ('https://s3.amazonaws.com/' + config.AWS_S3_BUCKET + '/' + key),
key,
});
} catch (error) {
console.log('the error was', error)
return ({
success: false,
error: error.message,
})
}
}
所以这工作正常,最终给我一个像这样的网址
然后,当我在客户端返回该 url 时..我使用 axios 发送一个 PUT 请求,其功能如下 -
function uploadToS3(file, signedRequest, callback){
var options = {
headers: {
'Content-Type': file.type
}
};
axios.put(signedRequest, file, options)
.then(result =>{
console.log('the result was', result)
callback(result)
})
.catch(err =>{
callback(err)
})
}
我唯一返回的是 (400) 错误请求