Blob Storage reference docs - request SAS 1:1 with .NET

[diberry]

Is it possible with the existing Blob Storage SDK v12 for JS to have an equivalent of this .NET code? I can't see it in the ref docs or the samples in this SDK repo.

.NET SDK code

sasBuilder.ExpiresOn = DateTimeOffset.UtcNow.AddHours(1);
sasBuilder.SetPermissions(DataLakeSasPermissions.Read | DataLakeSasPermissions.Write |DataLakeSasPermissions.List);

This is the code I have with permissions as a string in JS but I would like to use something from the SDK without a string.

JS SDK code

async function createAccountSas() {

    const sasOptions = {

        services: AccountSASServices.parse("btqf").toString(),                     // REMOVE this string to enum or something else
        resourceTypes: AccountSASResourceTypes.parse("sco").toString(), // REMOVE this string to enum or something else
        permissions: AccountSASPermissions.parse("rwdlacupi"),               // REMOVE this string to enum or something else
        protocol: SASProtocol.Https,
        startsOn: new Date(),
        expiresOn: new Date(new Date().valueOf() + (10 * 60 * 1000)),   // 10 minutes
    };

    const sasToken = generateAccountSASQueryParameters(
        sasOptions,
        sharedKeyCredential 
    ).toString();

    console.log(`sasToken = '${sasToken}'\n`);

    // prepend sasToken with `?`
    return (sasToken[0] === '?') ? sasToken : `?${sasToken}`;
}

[xirzec]

I'm not a storage expert, but it looks like the generateAccountSasUrl method on BlobServiceClient could make this a little simpler?

Also you should be able to do something like AccountSASPermissions.from({read: true, list: true}) to make the permissions a bit more legible.

[diberry]

@xirzec Can you tag an engineer that might be closer to SAS token generation on JS?

[xirzec]

I think @EmmaZhu is the best point of contact for this.

[EmmaZhu]

Hi @diberry ,

The permission in JS is defined as a class instead of an enum type, parsing from a string to create a permission object is recommended.

Thanks Emma

[diberry]

@EmmaZhu Are you saying my sample code at the top of this issus is the recommended? If not, can you please provide an example of "a string".

[EmmaZhu]

@diberry Yes, we'd recommend to input the permission with code like: permissions: AccountSASPermissions.parse("rwdlacupi")

[EmmaZhu]

@diberry , anymore questions, please feel free to active the issue.