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Generating SAS token and presigned_url for uploading files from client end #583
Description
Which service(blob, file, queue, table) does this issue concern?
Service: blob
Which version of the SDK was used?
<dependency>
<groupId>com.azure</groupId>
<artifactId>azure-storage-blob</artifactId>
<version>12.20.3</version>
</dependency>
What problem was encountered?
I am trying to generate a SAS token and create a presigned_url to send back to my client so that client can upload files(image/pdf etc) using the presigned_url, much like AWS S3.
Here is the code I am wrote:
@Override
public void getMediaUploadCred(GetMediaUploadCredRequest request, StreamObserver<GetMediaUploadCredResponse> response) {
BlobServiceClient blobServiceClient = new BlobServiceClientBuilder().connectionString(STORAGE_ACCOUNT_CONNECTION_STRING).buildClient();
BlobContainerClient containerClient = blobServiceClient.getBlobContainerClient(CONTAINER_NAME);
BlobSasPermission permission = new BlobSasPermission().setReadPermission(true).setWritePermission(true);
OffsetDateTime expiryTime = OffsetDateTime.now().plusMinutes(30);
String blobName = containerClient.getBlobClient(request.getFileName()).getBlobName();
String sasToken = generateSasToken(STORAGE_ACCOUNT_NAME, STORAGE_ACCOUNT_KEY, CONTAINER_NAME, blobName, permission, expiryTime);
log.info(sasToken);
String url = String.format("https://%s.blob.core.windows.net/%s/%s?%s", STORAGE_ACCOUNT_NAME, CONTAINER_NAME, request.getFileName(), sasToken);
GetMediaUploadCredResponse res = GetMediaUploadCredResponse.newBuilder()
.setMediaId(blobName)
.setUploadCredentialUrl(url)
.build();
response.onNext(res);
response.onCompleted();
}
And the CURL command I'm trying is:
curl -X PUT "https://<Account-Name>.blob.core.windows.net/<Container-Name>/<file-name>?sv=2020-12-06&st=2023-03-29T11:18:51.752+06:00&se=2023-03-29T11:48:51.750354+06:00&sr=b&sp=rw&sig=7bTkhsT6JqIlaIU7MXsFpoTJgfnuvvU5cGBhgA35i3Y%3D" \
-H "Authorization: SharedAccessSignature sv=2020-12-06&st=2023-03-29T00:12:29.996111+06:00&se=2023-03-29T00:42:29.987109+06:00&sr=b&sp=rw&sig=%2BoC2ujMAeV7b9QkDkKsY75oBG9o5kvd8UZ4EZre2Q6A%3D" \
-H "Content-Type: image/jpeg" \
-T ~/Downloads/gfx100s_sample_04_thum-1.jpg
But I keep getting the following error:
<?xml version="1.0" encoding="utf-8"?>
<Error><Code>AuthenticationFailed</Code><Message>Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.
RequestId:ae59d9d5-401e-0013-0afe-619f18000000
Time:2023-03-29T05:19:20.5884736Z</Message></Error>%
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