/// <summary>
/// 初始化临时账号
/// </summary>
/// <param name="fileKey">操作文件 key，可以为空，删除资源的时候不能为空</param>
public async Task Init(string fileKey)
{
using (await AsyncLocker.LockAsync()) {
// 防止重复初始化
if (!IsTimeout())
{
return;
}
var rest = await fetchTmpCred(fileKey);
if (!HttpRestService.ForData(rest, out var cred))
{
throw new RestFailedException(rest.Message);
}
TmpCred = cred;
var keyTime = $"{TimeHelper.GetTimestampSec(cred.StartTime)};{TimeHelper.GetTimestampSec(cred.ExpiredTime)}";
string signKey = DigestUtils.GetHamcSha1ToHexString(keyTime, Encoding.UTF8, cred.TmpSecretKey, Encoding.UTF8);
cloudCredentials = new SessionQCloudCredentials(
cred.TmpSecretId,
signKey,
cred.SessionToken,
keyTime
);
}
}
public override QCloudCredentials GetQCloudCredentials()
{
if (IsNeedUpdateNow())
{
Refresh();
}
if (tmpSecretId == null)
{
throw new CosClientException((int)CosClientError.InvalidCredentials, "secretId == null");
}
if (tmpSecretKey == null)
{
throw new CosClientException((int)CosClientError.InvalidCredentials, "secretKey == null");
}
if (keyTime == null)
{
throw new CosClientException((int)CosClientError.InvalidCredentials, "keyTime == null");
}
string signKey = DigestUtils.GetHamcSha1ToHexString(keyTime, Encoding.UTF8, tmpSecretKey, Encoding.UTF8);
return(new SessionQCloudCredentials(tmpSecretId, signKey, token, keyTime));
}
public void Sign(Request request, IQCloudSignSource 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);
}
}
public static string GenerateSign(string method, string path, Dictionary <string, string> queryParameters, Dictionary <string, string> headers, string signTime, QCloudCredentials qcloudCredentials)
{
if (qcloudCredentials == null)
{
throw new ArgumentNullException("QCloudCredentials == null");
}
CosXmlSignSourceProvider cosXmlSourceProvider = new CosXmlSignSourceProvider();
if (signTime == null)
{
signTime = qcloudCredentials.KeyTime;
}
cosXmlSourceProvider.SetSignTime(signTime);
if (headers != null)
{
foreach (string key in headers.Keys)
{
cosXmlSourceProvider.AddHeaderKey(key);
}
}
if (queryParameters != null)
{
foreach (string key in queryParameters.Keys)
{
cosXmlSourceProvider.AddParameterKey(key);
}
}
string signature = DigestUtils.GetHamcSha1ToHexString(cosXmlSourceProvider.GenerateSource(method, path, queryParameters, headers), 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(cosXmlSourceProvider.GetSignTime()).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);
if (qcloudCredentials is SessionQCloudCredentials)
{
signBuilder.Append("&").Append(CosRequestHeaderKey.COS_SESSION_TOKEN).Append("=").Append(((SessionQCloudCredentials)qcloudCredentials).Token);
}
return(signBuilder.ToString());
}
public override QCloudCredentials GetQCloudCredentials()
{
long keyStartTime = TimeUtils.GetCurrentTime(TimeUnit.SECONDS);
long keyEndTime = keyStartTime + keyTimDuration;
string keyTime = String.Format("{0};{1}", keyStartTime, keyEndTime);
if (secretId == null)
{
throw new CosClientException((int)CosClientError.INVALID_CREDENTIALS, "secretId == null");
}
if (secretKey == null)
{
throw new CosClientException((int)CosClientError.INVALID_CREDENTIALS, "secretKey == null");
}
string signKey = DigestUtils.GetHamcSha1ToHexString(keyTime, Encoding.UTF8, secretKey, Encoding.UTF8);
return(new QCloudCredentials(secretId, signKey, keyTime));
}
public override QCloudCredentials GetQCloudCredentials()
{
if (IsNeedUpdateNow())
{
Refresh();
}
if (secretId == null)
{
throw new CosClientException((int)CosClientError.INVALID_CREDENTIALS, "secretId == null");
}
if (secretKey == null)
{
throw new CosClientException((int)CosClientError.INVALID_CREDENTIALS, "secretKey == null");
}
if (keyTime == null)
{
throw new CosClientException((int)CosClientError.INVALID_CREDENTIALS, "keyTime == null");
}
string signKey = DigestUtils.GetHamcSha1ToHexString(keyTime, Encoding.UTF8, secretKey, Encoding.UTF8);
return(new QCloudCredentials(secretId, signKey, keyTime));
}