/// <summary>
/// add authorization
/// </summary>
/// <param name="qcloudSignSource">QCloudSignSource</param>
/// <param name="request"></param>
private void CheckSign(QCloudSignSource qcloudSignSource, Request request)
{
// has authorizaiton, notice: using request.Headers， otherwise, error
if (request.Headers.ContainsKey(CosRequestHeaderKey.AUTHORIZAIION))
{
QLog.D(TAG, "has add authorizaiton in headers");
return;
}
//has no authorization, but signSourceProvider == null
if (qcloudSignSource == null)
{
QLog.D(TAG, "signSourceProvider == null");
return;
}
if (credentialsProvider == null)
{
throw new ArgumentNullException("credentialsProvider == null");
}
CosXmlSigner signer = new CosXmlSigner();
signer.Sign(request, qcloudSignSource, credentialsProvider.GetQCloudCredentials());
}
public void Sign(Request request, QCloudSignSource qcloudSignSource, QCloudCredentials qcloudCredentials)
{
if (request == null)
{
throw new ArgumentNullException("Request == null");
}
if (qcloudCredentials == null)
{
throw new ArgumentNullException("QCloudCredentials == null");
}
if (qcloudSignSource == null || !(qcloudSignSource is CosXmlSignSourceProvider))
{
throw new ArgumentNullException("CosXmlSourceProvider == null");
}
CosXmlSignSourceProvider cosXmlSourceProvider = (CosXmlSignSourceProvider)qcloudSignSource;
string signTime = cosXmlSourceProvider.GetSignTime();
if (signTime == null)
{
signTime = qcloudCredentials.KeyTime;
cosXmlSourceProvider.SetSignTime(signTime);
}
string signature = DigestUtils.GetHamcSha1ToHexString(cosXmlSourceProvider.Source(request), Encoding.UTF8, qcloudCredentials.SignKey, Encoding.UTF8);
StringBuilder signBuilder = new StringBuilder();
signBuilder.Append(CosAuthConstants.Q_SIGN_ALGORITHM).Append('=').Append(CosAuthConstants.SHA1).Append('&')
.Append(CosAuthConstants.Q_AK).Append('=').Append(qcloudCredentials.SecretId).Append('&')
.Append(CosAuthConstants.Q_SIGN_TIME).Append('=').Append(signTime).Append('&')
.Append(CosAuthConstants.Q_KEY_TIME).Append('=').Append(qcloudCredentials.KeyTime).Append('&')
.Append(CosAuthConstants.Q_HEADER_LIST).Append('=').Append(cosXmlSourceProvider.GetHeaderList()).Append('&')
.Append(CosAuthConstants.Q_URL_PARAM_LIST).Append('=').Append(cosXmlSourceProvider.GetParameterList()).Append('&')
.Append(CosAuthConstants.Q_SIGNATURE).Append('=').Append(signature);
string sign = signBuilder.ToString();
request.AddHeader(CosRequestHeaderKey.AUTHORIZAIION, sign);
if (qcloudCredentials is SessionQCloudCredentials)
{
request.AddHeader(CosRequestHeaderKey.COS_SESSION_TOKEN, ((SessionQCloudCredentials)qcloudCredentials).Token);
}
if (cosXmlSourceProvider.onGetSign != null)
{
cosXmlSourceProvider.onGetSign(request, sign);
}
}