private string _GetAuthorizationHeader(string method, string content, string ifMatch, string canonicalHeader, string canonicalRequest, string md5, AzureStorageAccountInfo accountInfo, string contentType)
{
var messageSignature = _ConstructMessageSignature(method, content, ifMatch, canonicalHeader, canonicalRequest, md5, contentType);
var signedMessageSignature = _SignSignature(messageSignature, accountInfo);
var authorizationHeader = accountInfo.Account + ":" + signedMessageSignature;
return authorizationHeader;
}
public string Build(string verb, string content, StorageUri uri, AzureStorageAccountInfo accountInfo, HttpRequestHeaders headers, string contentType)
{
var ifMatch = "";
var md5 = "";
var canonicalizedHeaderString = _GetCanonicalizedHeaders(headers);
var canonResource = _GetCanonicalizedResource(new Uri(uri.ToUriString()), accountInfo.Account);
var authorizationHeader = _GetAuthorizationHeader(verb, content, ifMatch, canonicalizedHeaderString, canonResource, md5, accountInfo, contentType);
return authorizationHeader;
}
public void Add(AzureStorageAccountInfo accountInfo)
{
_accountInfos.Add(accountInfo.Account, accountInfo);
}
public HttpClientAdapterAsync(AzureStorageAccountInfo accountInfo)
{
_accountInfo = accountInfo;
}
private string _SignSignature(string messageSignature, AzureStorageAccountInfo accountInfo)
{
var signatureBytes = Encoding.UTF8.GetBytes(messageSignature);
var sha256 = new HMACSHA256(Convert.FromBase64String(accountInfo.Key));
return Convert.ToBase64String(sha256.ComputeHash(signatureBytes));
}
