public static void GetUriAndPermission(string fileName, out string fileUri, out string signUriPara, out DateTime expireDateTime, int keepSeconds, string projectName, string blobPath = "source/images")
{
Microsoft.WindowsAzure.Storage.Blob.CloudBlobDirectory cloudBlobDirectory =
CloudBlobContainer.GetDirectoryReference(projectName + "/" + blobPath);
projectName = projectName.ToUpper();
var res = CloudBlobContainer.GetPermissionsAsync().Result;
if (keepSeconds > 0)
{
expireDateTime = DateTime.UtcNow.AddSeconds(keepSeconds);
var sharedPolicy = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy()
{
SharedAccessExpiryTime = expireDateTime,
Permissions = Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.Read,
};
signUriPara = CloudBlobContainer.GetSharedAccessSignature(sharedPolicy, null);
}
else
{
expireDateTime = DateTime.UtcNow.Date.AddDays(1).AddSeconds(-1);
var sharedPolicy = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy()
{
SharedAccessExpiryTime = expireDateTime,
Permissions = Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.Read,
};
signUriPara = CloudBlobContainer.GetSharedAccessSignature(sharedPolicy, null);
}
fileUri = cloudBlobDirectory.GetBlockBlobReference(fileName).Uri.ToString();
}
public Uri GetSas(Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions permission, TimeSpan expiry, string containerName)
{
var policy = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy
{
Permissions = permission,
SharedAccessExpiryTime = DateTime.UtcNow.Add(expiry)
};
var container = this.Parent.GetContainer(containerName);
var signature = container.GetSharedAccessSignature(policy);
return new Uri(System.IO.Path.Combine(container.Uri.ToString(), signature));
}
public Uri GetSas(Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions permission, TimeSpan expiry, string containerName)
{
var policy = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy
{
Permissions = permission,
SharedAccessExpiryTime = DateTime.UtcNow.Add(expiry)
};
var container = this.Parent.GetContainer(containerName);
var signature = container.GetSharedAccessSignature(policy);
return(new Uri(System.IO.Path.Combine(container.Uri.ToString(), signature)));
}
// source: http://azure.microsoft.com/en-us/documentation/articles/storage-dotnet-shared-access-signature-part-2/
private string GetURL(int expirySeconds, Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions permissions)
{
var sasConstraints = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy();
sasConstraints.SharedAccessStartTime = DateTimeOffset.Now.AddMinutes(-1);
sasConstraints.SharedAccessExpiryTime = DateTimeOffset.Now.AddSeconds(expirySeconds);
sasConstraints.Permissions = permissions;
var sasToken = _delegateContent.GetSharedAccessSignature(sasConstraints);
return(_delegateContent.Uri + sasToken);
}
} // 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);
}
public static string GetImageInfo(string projectName, string id)
{
var cloudBlobDirectory =
CloudBlobContainer.GetDirectoryReference(projectName + "/source/info");
projectName = projectName.ToUpper();
var res = CloudBlobContainer.GetPermissionsAsync().Result;
var sharedPolicy = new Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPolicy()
{
SharedAccessExpiryTime = new DateTime(2099, 12, 31),
Permissions = Microsoft.WindowsAzure.Storage.Blob.SharedAccessBlobPermissions.Read,
};
var signUriPara = CloudBlobContainer.GetSharedAccessSignature(sharedPolicy, null);
var fileUri = cloudBlobDirectory.GetBlockBlobReference(id + ".json").Uri.ToString();
return(fileUri + signUriPara);
}
