我正在尝试使用分段上传将PDF文件上传到AWS S3。但是,当我发送PUT
请求以上传零件时,我收到一个SignatureDoesNotMatch错误。
<Error><Code>SignatureDoesNotMatch</Code><Message>The request signature we calculated does not match the signature you provided. Check your key and signing method.</Message>
我的服务器代码(节点)如下:
CREATE MultiPart Upload
const AWS = require('aws-sdk');
AWS.config.region = 'us-east-1';
const s3 = new AWS.S3({ apiVersion: '2006-03-01' });
const s3Params = {
Bucket: 'bucket-name',
Key: 'upload-location/filename.pdf',
}
const createRequest = await s3.createMultipartUpload({
...s3Params
ContentType: 'application/pdf'
}).promise();
GET Signed URL
let getSignedUrlParams = {
Bucket: 'bucket-name',
Key: 'upload-location/filename.pdf',
PartNumber: 1,
UploadId: 'uploadId',
Expires: 10 * 60
}
const signedUrl = await s3.getSignedUrl('uploadPart',getSignedUrlParams);
并且客户端代码(在JS中)是:
const response = await axios.put(signedUrl, chunkedFile, {headers: {'Content-Type':'application-pdf'}});
一些注意事项:
无法找出问题所在。任何帮助,将不胜感激。
PS:这是我在这里发布的第一个问题。因此,如果我没有适当地张贴它,请原谅我。让我知道是否需要更多详细信息。
答案 0 :(得分:0)
尝试类似的方法,对我有用。
var fileName = 'your.pdf';
var filePath = './' + fileName;
var fileKey = fileName;
var buffer = fs.readFileSync('./' + filePath);
// S3 Upload options
var bucket = 'loctest';
// Upload
var startTime = new Date();
var partNum = 0;
var partSize = 1024 * 1024 * 5; // Minimum 5MB per chunk (except the last part) http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadComplete.html
var numPartsLeft = Math.ceil(buffer.length / partSize);
var maxUploadTries = 3;
var multiPartParams = {
Bucket: bucket,
Key: fileKey,
ContentType: 'application/pdf'
};
var multipartMap = {
Parts: []
};
function completeMultipartUpload(s3, doneParams) {
s3.completeMultipartUpload(doneParams, function(err, data) {
if (err) {
console.log("An error occurred while completing the multipart upload");
console.log(err);
} else {
var delta = (new Date() - startTime) / 1000;
console.log('Completed upload in', delta, 'seconds');
console.log('Final upload data:', data);
}
});
}
如果上传失败,您将收到错误消息。如果您打印出
的结果,我们可以帮助您解决这个问题console.log(this.httpResponse)
和
console.log(this.request.httpRequest)
答案 1 :(得分:0)
对我有用的是签名的版本。在初始化S3时,还应提及签名版本。
const s3 = new AWS.S3({ apiVersion: '2006-03-01', signatureVersion: 'v4' });
答案 2 :(得分:0)
从Content-Part
调用中删除axios
标头。
const response = await axios.put(signedUrl, chunkedFile);
仅添加一部分时,实际上并没有上传完整的文件,因此内容类型不是application-pdf
。
这与对整个对象进行PUT
不同。