Access blob by URI using Storage Connection String in C# SDK

Question

I'm using the Azure.Storage.Blobs SDK version 12.7 in C# with .net core and I want to access a blob directly by it's URI using the blob storage connection string for deletion.

How would I do that? I assume I can use the BlobClient class, which constructor takes the URI, but then im not authorized. The constructor takes also a StorageSharedKeyCredential, but how can I create it from the connection string?

Frank Borzage · Accepted Answer · 2020-11-30 09:21:41Z

5

You can create StorageSharedKeyCredential in this way. Note that it uses the key instead of the connection string:

StorageSharedKeyCredential storageSharedKeyCredential = new StorageSharedKeyCredential(<your-account-name>,<your-account-key>)

You can refer to this official document.

By the way, if you want to use connection string, you can use this way:

BlobServiceClient blobServiceClient = new BlobServiceClient(connectionString);

BlobContainerClient containerClient = blobServiceClient.GetBlobContainerClient(<you-container-name>)

BlobClient blobClient = containerClient.GetBlobClient(fileName);

Please refer to this official document.

edited Nov 30, 2020 at 9:21

answered Nov 30, 2020 at 9:07

Frank Borzage

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3 Comments

Chris Over a year ago

Thank you! Is there a way to get account-name and account-key from the connection string? I don't want to use the BlobContainerClient because I need to access the Blob directly by it's URI ;-). In my case I don't have the container name, only the Blob URI.

Frank Borzage Over a year ago

You can get the key and value from the connection string, just parse the connection string. The connection string is in this format:

DefaultEndpointsProtocol=https;AccountName=<your-account-key>;AccountKey=<your-account-key>;EndpointSuffix=core.windows.net

thinkOfaNumber Over a year ago

For those following along with Node.JS, you can't use a connection string like so new BlobServiceClient(connectionString);. You have to use BlobServiceClient.fromConnectionString(connectionString);

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