• 我已经尝试与您的代码做了一些修改，但仍然发生同样的错误与我一样。

x1c 0d1x的数据
服务器无法验证请求。确保Authorization头的值格式正确，包括签名。

• 大多数情况下，当您使用共享访问签名（SAS）访问blob时，会发生上述错误，请检查SAS令牌是否未过期。错误消息包括时间戳“2023-07- 17 T18：46：13 Z”和“2023-07- 17 T19：06：13 Z”，它们表示SAS令牌有效性的开始和结束时间。重新检查当前时间是否在范围内。
• 请检查您是否具有RBAC角色权限，然后再向签名收件人授予该级别的访问权限。请检查Assign access to blob data

我尝试了下面的代码来检索SAS令牌URL的特定blob/文件。

const { BlobServiceClient, generateBlobSASQueryParameters, BlobSASPermissions, StorageSharedKeyCredential } = require("@azure/storage-blob");

const account = "mynodestoreage";
const accountKey = "given_your_accountKey";
const containerName = "metacon";
const blobName = "100MiB.bin"; // The name of the existing blob you want to generate a SAS token for

async function getBlobSasToken() {
  // Create a BlobServiceClient using the account URL and the account key
  const blobServiceClient = new BlobServiceClient(
    `https://${account}.blob.core.windows.net`,
    new StorageSharedKeyCredential(account, accountKey)
  );

  try {
    // Get a reference to the container
    const containerClient = blobServiceClient.getContainerClient(containerName);

    // Get the BlobClient for the existing blob
    const blobClient = containerClient.getBlobClient(blobName);

    // Best practice: create time limits
    const TEN_MINUTES = 10 * 60 * 1000;
    const NOW = new Date();

    // Best practice: set start time a little before the current time to
    // make sure any clock issues are avoided
    const TEN_MINUTES_BEFORE_NOW = new Date(NOW.valueOf() - TEN_MINUTES);
    const TEN_MINUTES_AFTER_NOW = new Date(NOW.valueOf() + TEN_MINUTES);

    // Generate a user delegation key for secure SAS token generation
    const userDelegationKey = await blobServiceClient.getUserDelegationKey(
      TEN_MINUTES_BEFORE_NOW,
      TEN_MINUTES_AFTER_NOW
    );

    // Generate the SAS token for the blob with read, add, create, write, and delete permissions
    const sasToken = generateBlobSASQueryParameters(
      {
        containerName,
        blobName,
        permissions: BlobSASPermissions.parse("racwd"), // read, add, create, write, and delete permissions
        startsOn: TEN_MINUTES_BEFORE_NOW,
        expiresOn: TEN_MINUTES_AFTER_NOW,
      },
      userDelegationKey,
      account
    );

    // Generate the full SAS token URL by appending it to the blob URL
    const sasTokenUrl = `${blobClient.url}?${sasToken.toString()}`;

    return sasTokenUrl;
  } catch (error) {
    console.error("Error occurred during SAS token generation:", error.message);
    throw error;
  }
}

async function main() {
  try {
    const sasTokenUrl = await getBlobSasToken();
    console.log("Generated SAS Token URL:");
    console.log(sasTokenUrl);
  } catch (error) {
    console.error("Error occurred:", error.message);
  }
}

main();

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