/// <summary>
/// This is the method to call the REST API to retrieve a list of
/// containers in the specific storage account.
/// This will call CreateRESTRequest to create the request,
/// then check the returned status code. If it's OK (200), it will
/// parse the response and show the list of containers found.
/// </summary>
private static async Task ListContainersAsyncREST(string storageAccountName, string storageAccountKey, CancellationToken cancellationToken)
{
// Construct the URI. This will look like this:
// https://myaccount.blob.core.windows.net/resource
String uri = string.Format("https://{0}.blob.core.windows.net?comp=list", storageAccountName);
// Set this to whatever payload you desire. Ours is null because
// we're not passing anything in.
Byte[] requestPayload = null;
//Instantiate the request message with a null payload.
using (var httpRequestMessage = new HttpRequestMessage(HttpMethod.Get, uri)
{
Content = (requestPayload == null) ? null : new ByteArrayContent(requestPayload)
})
{
// Add the request headers for x-ms-date and x-ms-version.
DateTime now = DateTime.UtcNow;
httpRequestMessage.Headers.Add("x-ms-date", now.ToString("R", CultureInfo.InvariantCulture));
httpRequestMessage.Headers.Add("x-ms-version", "2017-04-17");
// If you need any additional headers, add them here before creating
// the authorization header.
// Add the authorization header.
httpRequestMessage.Headers.Authorization = AzureStorageAuthenticationHelper.GetAuthorizationHeader(
storageAccountName, storageAccountKey, now, httpRequestMessage);
// Send the request.
using (HttpResponseMessage httpResponseMessage = await new HttpClient().SendAsync(httpRequestMessage, cancellationToken))
{
// If successful (status code = 200),
// parse the XML response for the container names.
if (httpResponseMessage.StatusCode == HttpStatusCode.OK)
{
String xmlString = await httpResponseMessage.Content.ReadAsStringAsync();
XElement x = XElement.Parse(xmlString);
foreach (XElement container in x.Element("Containers").Elements("Container"))
{
Console.WriteLine("Container name = {0}", container.Element("Name").Value);
}
}
else
{
Console.WriteLine($"There was an error: {httpResponseMessage.StatusCode} {httpResponseMessage.ReasonPhrase}");
}
}
}
}
private static HttpWebRequest CreateRESTRequest(string storageAccountName, string storageAccountKey,
string containerName, string fileName,
string method, string requestBody = null,
SortedList <string, string> headers = null, string ifMatch = "", string md5 = "")
{
byte[] byteArray = null;
DateTime now = DateTime.UtcNow;
string uri = string.Format("https://{0}.blob.core.windows.net/{1}/{2}", storageAccountName, containerName, fileName);
HttpWebRequest request = HttpWebRequest.Create(uri) as HttpWebRequest;
request.Method = method;
request.ContentLength = 0;
request.Headers.Add("x-ms-date", now.ToString("R", System.Globalization.CultureInfo.InvariantCulture));
request.Headers.Add("x-ms-version", "2014-02-14");
request.Headers.Add("x-ms-blob-type", "BlockBlob");
//if there are additional headers required, they will be passed in to here,
//add them to the list of request headers
if (headers != null)
{
foreach (KeyValuePair <string, string> header in headers)
{
request.Headers.Add(header.Key, header.Value);
}
}
//if there is a requestBody, add a header for the Accept-Charset and set the content length
if (!String.IsNullOrEmpty(requestBody))
{
request.Headers.Add("Accept-Charset", "UTF-8");
byteArray = System.Text.Encoding.UTF8.GetBytes(requestBody);
request.ContentLength = byteArray.Length;
}
request.Headers.Add("Authorization", AzureStorageAuthenticationHelper.AuthorizationHeader(storageAccountName, storageAccountKey, method, now, request, ifMatch, md5));
//now set the body in the request object
if (!String.IsNullOrEmpty(requestBody))
{
request.GetRequestStream().Write(byteArray, 0, byteArray.Length);
}
return(request);
}
/// <summary>
/// This is the method to call the REST API to retrieve a list of
/// containers in the specific storage account.
/// This will call CreateRESTRequest to create the request,
/// then check the returned status code. If it's OK (200), it will
/// parse the response and show the list of containers found.
/// </summary>
private static async Task ListContainersAsyncREST(string storageAccountName, string storageAccountKey, CancellationToken cancellationToken)
{
// Construct the URI. This will look like this:
// https://myaccount.blob.core.windows.net/resource
String uri = string.Format("http://{0}.blob.core.windows.net?comp=list", storageAccountName);
String blobUri =
string.Format("http://{0}.blob.core.windows.net/documents?restype=container&comp=list",
storageAccountName);
// Set this to whatever payload you desire. Ours is null because
// we're not passing anything in.
Byte[] requestPayload = null;
//Instantiate the request message with a null payload.
//using (var httpRequestMessage = new HttpRequestMessage(HttpMethod.Get, uri)
using (var httpRequestMessage = new HttpRequestMessage(HttpMethod.Get, blobUri)
{
Content = (requestPayload == null) ? null : new ByteArrayContent(requestPayload)
})
{
// Add the request headers for x-ms-date and x-ms-version.
DateTime now = DateTime.UtcNow;
httpRequestMessage.Headers.Add("x-ms-date", now.ToString("R", CultureInfo.InvariantCulture));
httpRequestMessage.Headers.Add("x-ms-version", "2017-07-29");
// If you need any additional headers, add them here before creating
// the authorization header.
// Add the authorization header.
httpRequestMessage.Headers.Authorization = AzureStorageAuthenticationHelper.GetAuthorizationHeader(
storageAccountName, storageAccountKey, now, httpRequestMessage);
// Send the request.
using (HttpResponseMessage httpResponseMessage = await new HttpClient().SendAsync(httpRequestMessage, cancellationToken))
{
// If successful (status code = 200),
// parse the XML response for the container names.
if (httpResponseMessage.StatusCode == HttpStatusCode.OK)
{
var blobName = "documents";
String bloburiForDisplay = string.Format("http://{0}.blob.core.windows.net/{1}", storageAccountName, blobName);
String xmlString = await httpResponseMessage.Content.ReadAsStringAsync();
XElement x = XElement.Parse(xmlString);
//foreach (XElement container in x.Element("Containers").Elements("Container"))
//{
// Console.WriteLine("Container name = {0}", container.Element("Name").Value);
//}
int n = 0;
foreach (XElement container in x.Element("Blobs").Elements("Blob"))
{
//Console.WriteLine("Blob name = {0}", container.Element("Name").Value);
//Console.WriteLine("Blob URL = {0}", container);
//Console.WriteLine("Properties = {0}", container.Element("Properties").Value);
if (container.Element("Name").Value.Contains("custom_files"))
{
n++;
Console.WriteLine("Custom -Blob name = {0} and Url = {1}/{0}", container.Element("Name").Value, bloburiForDisplay);
}
//else
//{
// Console.WriteLine("Non-Custom Blob name = {0}", container.Element("Name").Value);
//}
}
Console.WriteLine("Total = " + n);
}
}
}
}
