问无法在Azure中验证帐户级别SAS

EN

use MicrosoftAzure\Storage\Common\Internal\StorageServiceSettings;
use MicrosoftAzure\Storage\Blob\BlobRestProxy;

public function generateUploadLink($container, $folder, $filename)
{
    # get account settings
    $settings = StorageServiceSettings::createFromConnectionString(AZURE_BLOB);
    $accountName = $settings->getName();
    $accountKey = $settings->getKey();

    # define start and expire datetime stamps (ISO 8601)
    $startTime = (new DateTime('GMT'))->modify('-2 days')->format('Y-m-d\TH:i:s\Z');
    $expireTime = (new DateTime('GMT'))->modify('+2 days')->format('Y-m-d\TH:i:s\Z');

    $parameters = [];
    $parameters[] = $accountName;       # account name
    $parameters[] = 'wac';              # permissions
    $parameters[] = 'b';                # service
    $parameters[] = 'sco';              # resource type
    $parameters[] = $startTime;         # start time
    $parameters[] = $expireTime;        # expire time
    $parameters[] = '';                 # accepted ip's
    $parameters[] = 'https,http';       # accepted protocol
    $parameters[] = '2018-03-28';       # latest microsoft api version

    # implode the parameters into a string
    $stringToSign = utf8_encode(implode("\n", $parameters));

    # decode the account key from base64
    $decodedAccountKey = base64_decode($accountKey);

    # create the signature with hmac sha256
    $signature = hash_hmac("sha256", $stringToSign, $decodedAccountKey, true);

    # encode the signature as base64
    $sig = urlencode(base64_encode($signature));

    # construct the sas (shared access signature)
    $sas = "sv=2018-03-28&ss=b&srt=sco&sp=wac&se={$expireTime}&st={$startTime}&spr=https,http&sig={$sig}";

    # create client
    $blobClient = BlobRestProxy::createBlobService(AZURE_BLOB);

    # generate upload link
    $blobUrlWithSAS = sprintf('%s%s?%s', (string)$blobClient->getPsrPrimaryUri(), "{$container}/{$folder}/{$filename}", $sas);

    # return upload link
    return $blobUrlWithSAS;
}