public async Task <IStorageObject> GetObject(string bucketName, string objectName, CancellationToken token = default)
{
var stream = new MemoryStream();
await _client.GetObjectAsync(bucketName, objectName, input => input.CopyTo(stream), cancellationToken : token);
Minio.DataModel.ObjectStat stats = await _client.StatObjectAsync(bucketName, objectName, cancellationToken : token);
var dictionary = new Dictionary <string, string>();
foreach (var pair in stats.MetaData)
{
dictionary.Add(pair.Key, pair.Value);
}
return(new StorageObject
{
ContentType = stats.ContentType,
Data = stream,
Metadata = dictionary,
Name = stats.ObjectName,
Size = stats.Size,
LastModified = stats.LastModified
});
}
public static ObjectStat FromResponseHeaders(string objectName, IList <Parameter> responseHeaders)
{
if (string.IsNullOrEmpty(objectName))
{
throw new ArgumentNullException("Name of an object cannot be empty");
}
ObjectStat objInfo = new ObjectStat();
foreach (Parameter parameter in responseHeaders)
{
switch (parameter.Name.ToLower())
{
case "content-length":
objInfo.Size = long.Parse(parameter.Value.ToString());
break;
case "last-modified":
objInfo.LastModified = DateTime.Parse(parameter.Value.ToString(), CultureInfo.InvariantCulture);
break;
case "etag":
objInfo.ETag = parameter.Value.ToString().Replace("\"", string.Empty);
break;
case "Content-Type":
objInfo.ContentType = parameter.Value.ToString();
objInfo.MetaData["Content-Type"] = objInfo.ContentType;
break;
case "x-amz-version-id":
objInfo.VersionId = parameter.Value.ToString();
break;
case "x-amz-delete-marker":
objInfo.DeleteMarker = parameter.Value.ToString().Equals("true");
break;
default:
if (OperationsUtil.IsSupportedHeader(parameter.Name))
{
objInfo.MetaData[parameter.Name] = parameter.Value.ToString();
}
else if (parameter.Name.StartsWith("x-amz-meta-", StringComparison.OrdinalIgnoreCase))
{
objInfo.MetaData[parameter.Name.Substring("x-amz-meta-".Length)] = parameter.Value.ToString();
}
else
{
objInfo.ExtraHeaders[parameter.Name] = parameter.Value.ToString();
}
break;
}
}
return(objInfo);
}
public static ObjectStat FromResponseHeaders(string objectName, Dictionary <string, string> responseHeaders)
{
if (string.IsNullOrEmpty(objectName))
{
throw new ArgumentNullException("Name of an object cannot be empty");
}
ObjectStat objInfo = new ObjectStat();
objInfo.ObjectName = objectName;
foreach (var paramName in responseHeaders.Keys)
{
string paramValue = responseHeaders[paramName];
switch (paramName.ToLower())
{
case "content-length":
objInfo.Size = long.Parse(paramValue);
break;
case "last-modified":
objInfo.LastModified = DateTime.Parse(paramValue, CultureInfo.InvariantCulture);
break;
case "etag":
objInfo.ETag = paramValue.Replace("\"", string.Empty);
break;
case "content-type":
objInfo.ContentType = paramValue.ToString();
objInfo.MetaData["Content-Type"] = objInfo.ContentType;
break;
case "x-amz-version-id":
objInfo.VersionId = paramValue;
break;
case "x-amz-delete-marker":
objInfo.DeleteMarker = paramValue.Equals("true");
break;
case "x-amz-archive-status":
objInfo.ArchiveStatus = paramValue.ToString();
break;
case "x-amz-tagging-count":
if (Int32.TryParse(paramValue.ToString(), out int tagCount) && tagCount >= 0)
{
objInfo.TaggingCount = (uint)tagCount;
}
break;
case "x-amz-expiration":
// x-amz-expiration header includes the expiration date and the corresponding rule id.
string expirationResponse = paramValue.ToString().Trim();
string expiryDatePattern = @"(Sun|Mon|Tue|Wed|Thu|Fri|Sat), \d{2} (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{4} \d{2}:\d{2}:\d{2} [A-Z]+";
Match expiryMatch = Regex.Match(expirationResponse, expiryDatePattern);
if (expiryMatch.Success)
{
objInfo.Expires = DateTime.SpecifyKind(
DateTime.Parse(expiryMatch.Value),
DateTimeKind.Utc);
}
break;
case "x-amz-object-lock-mode":
Console.WriteLine(paramValue.ToString());
if (!string.IsNullOrWhiteSpace(paramValue.ToString()))
{
objInfo.ObjectLockMode = (paramValue.ToString().ToLower().Equals("governance"))?RetentionMode.GOVERNANCE:RetentionMode.COMPLIANCE;
}
break;
case "x-amz-object-lock-retain-until-date":
Console.WriteLine(paramValue.ToString());
string lockUntilDate = paramValue.ToString();
if (!string.IsNullOrWhiteSpace(lockUntilDate))
{
objInfo.ObjectLockRetainUntilDate = DateTime.SpecifyKind(
DateTime.Parse(lockUntilDate),
DateTimeKind.Utc);;
}
break;
case "x-amz-object-lock-legal-hold":
string legalHoldON = paramValue.ToString().Trim();
if (!string.IsNullOrWhiteSpace(legalHoldON))
{
objInfo.LegalHoldEnabled = legalHoldON.ToLower().Equals("on");
}
break;
default:
if (OperationsUtil.IsSupportedHeader(paramName))
{
objInfo.MetaData[paramName] = paramValue;
}
else if (paramName.StartsWith("x-amz-meta-", StringComparison.OrdinalIgnoreCase))
{
objInfo.MetaData[paramName.Substring("x-amz-meta-".Length)] = paramValue;
}
else
{
objInfo.ExtraHeaders[paramName] = paramValue;
}
break;
}
}
return(objInfo);
}
public static ObjectStat FromResponseHeaders(string objectName, Dictionary <string, string> responseHeaders)
{
if (string.IsNullOrEmpty(objectName))
{
throw new ArgumentNullException("Name of an object cannot be empty");
}
ObjectStat objInfo = new ObjectStat();
objInfo.ObjectName = objectName;
foreach (var paramName in responseHeaders.Keys)
{
string paramValue = responseHeaders[paramName];
switch (paramName.ToLower())
{
case "content-length":
objInfo.Size = long.Parse(paramValue);
break;
case "last-modified":
objInfo.LastModified = DateTime.Parse(paramValue, CultureInfo.InvariantCulture);
break;
case "etag":
objInfo.ETag = paramValue.Replace("\"", string.Empty);
break;
case "content-type":
objInfo.ContentType = paramValue.ToString();
objInfo.MetaData["Content-Type"] = objInfo.ContentType;
break;
case "x-amz-version-id":
objInfo.VersionId = paramValue;
break;
case "x-amz-delete-marker":
objInfo.DeleteMarker = paramValue.Equals("true");
break;
case "x-amz-tagging-count":
if (Int32.TryParse(paramValue.ToString(), out int tagCount) && tagCount >= 0)
{
objInfo.TaggingCount = (uint)tagCount;
}
break;
default:
if (OperationsUtil.IsSupportedHeader(paramName))
{
objInfo.MetaData[paramName] = paramValue;
}
else if (paramName.StartsWith("x-amz-meta-", StringComparison.OrdinalIgnoreCase))
{
objInfo.MetaData[paramName.Substring("x-amz-meta-".Length)] = paramValue;
}
else
{
objInfo.ExtraHeaders[paramName] = paramValue;
}
break;
}
}
return(objInfo);
}