private String GetAuthHeader(AzureStorageConfig config, String method, AzureRequestInfo info, String urlPath, String length)
{
var canonicalizedHeaders = $"x-ms-blob-type:{info.BlobType}\nx-ms-date:{info.Date}\nx-ms-version:{info.StorageServiceVersion}";
var canonicalizedResource = $"/{config.AccountName}/{urlPath}";
var stringToSign = $"{method}\n\n\n{length}\n\n\n\n\n\n\n\n\n{canonicalizedHeaders}\n{canonicalizedResource}";
return(CreateAuthorizationHeader(config, stringToSign));
}
public async Task <AzureStoragePutResult> Put(String source, String container, String blob, Stream stream, Int64 len)
{
var config = new AzureStorageConfig(source);
var ari = new AzureRequestInfo();
var urlPath = Uri.EscapeDataString($"{container}/{blob}");
var url = config.GetUrl(urlPath);
var wr = WebRequest.Create(url);
wr.Method = "PUT";
wr.ContentLength = len;
wr.Headers.Add("x-ms-blob-type", ari.BlobType);
wr.Headers.Add("x-ms-date", ari.Date);
wr.Headers.Add("x-ms-version", ari.StorageServiceVersion);
wr.Headers.Add("Authorization", GetAuthHeader(config, "PUT", ari, urlPath, len.ToString()));
using (var rs = await wr.GetRequestStreamAsync())
{
stream.CopyTo(rs);
}
using (var resp = await wr.GetResponseAsync())
{
return(new AzureStoragePutResult());
}
}
public async Task <Byte[]> Get(String source, String container, String blob)
{
var config = new AzureStorageConfig(source);
var ari = new AzureRequestInfo();
var urlPath = Uri.EscapeDataString($"{container}/{blob}");
var url = config.GetUrl(urlPath);
var wr = WebRequest.Create(url);
wr.Method = "GET";
wr.Headers.Add("x-ms-blob-type", ari.BlobType);
wr.Headers.Add("x-ms-date", ari.Date);
wr.Headers.Add("x-ms-version", ari.StorageServiceVersion);
wr.Headers.Add("Authorization", GetAuthHeader(config, "GET", ari, urlPath, String.Empty));
using (var resp = await wr.GetResponseAsync())
{
var ms = new MemoryStream();
await resp.GetResponseStream().CopyToAsync(ms);
ms.Seek(0, SeekOrigin.Begin);
return(ms.GetBuffer());
}
}
