static BlobUtility()
{
CloudStorage = Microsoft.WindowsAzure.Storage.CloudStorageAccount.Parse(Startup.AzureStorageConnectionString);
CloudBlobClient = CloudStorage.CreateCloudBlobClient();
CloudBlobContainer = CloudBlobClient.GetContainerReference(Startup.BlobName);
var res = CloudBlobContainer.CreateIfNotExistsAsync().Result;
}
} // Run
private static string GetSASToken(string containerName, string customerWhitelistIPAddressMinimum, string customerWhitelistIPAddressMaximum,
int tokenExpireTimeInMinutes, string cloudAccountName, string cloudKey)
{
Microsoft.WindowsAzure.Storage.Auth.StorageCredentials storageCredentials = new Microsoft.WindowsAzure.Storage.Auth.StorageCredentials(cloudAccountName, cloudKey);
Microsoft.WindowsAzure.Storage.CloudStorageAccount storageAccount = null;
if (cloudAccountName == "devstoreaccount1")
{
storageAccount = new Microsoft.WindowsAzure.Storage.CloudStorageAccount(storageCredentials,
new Uri("http://127.0.0.1:10000/devstoreaccount1"),
new Uri("http://127.0.0.1:10001/devstoreaccount1"),
new Uri("http://127.0.0.1:10002/devstoreaccount1"),
new Uri("http://127.0.0.1:10003/devstoreaccount1"));
}
else
{
storageAccount = new Microsoft.WindowsAzure.Storage.CloudStorageAccount(storageCredentials, true);
}
Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient blobStorage = storageAccount.CreateCloudBlobClient();
blobStorage.DefaultRequestOptions.RetryPolicy = new Microsoft.WindowsAzure.Storage.RetryPolicies.LinearRetry(TimeSpan.FromSeconds(1), 10);
Microsoft.WindowsAzure.Storage.Blob.CloudBlobContainer container = blobStorage.GetContainerReference(containerName);
container.CreateIfNotExistsAsync().Wait();
Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy policy = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy();
policy.Permissions = Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.Write | Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.List;
policy.SharedAccessStartTime = DateTimeOffset.UtcNow.AddMinutes(-5); // always do in the past to prevent errors
policy.SharedAccessExpiryTime = DateTimeOffset.UtcNow.AddMinutes(tokenExpireTimeInMinutes);
string sasToken = null;
if (string.IsNullOrWhiteSpace(customerWhitelistIPAddressMinimum) ||
string.IsNullOrWhiteSpace(customerWhitelistIPAddressMaximum) ||
cloudAccountName == "devstoreaccount1")
{
sasToken = container.GetSharedAccessSignature(policy);
}
else
{
Microsoft.WindowsAzure.Storage.IPAddressOrRange iPAddressOrRange = new Microsoft.WindowsAzure.Storage.IPAddressOrRange(customerWhitelistIPAddressMinimum, customerWhitelistIPAddressMaximum);
sasToken = container.GetSharedAccessSignature(policy, null, Microsoft.WindowsAzure.Storage.SharedAccessProtocol.HttpsOnly, iPAddressOrRange);
}
// string url = "https://" + cloudAccountName + ".blob.core.windows.net" + sasToken;
return(sasToken);
}