forked from bfanti/Glacierizer
/
PWGlacierAPI.cs
197 lines (166 loc) · 6.35 KB
/
PWGlacierAPI.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
using Amazon;
using Amazon.Glacier;
using Amazon.Glacier.Model;
namespace Glacierizer
{
class GlacierFilePart
{
public byte[] Data { get; set; }
public string Checksum { get; set; }
public long Start {get;set;}
public long End { get; set; }
public string UploadId { get; set; }
public string Range
{
get
{
return "bytes " + Start + "-" + End + "/*";
}
}
public GlacierFilePart(ref byte[] data, string checksum, long start, long end, string uploadId)
{
Data = data;
Checksum = checksum;
Start = start;
End = end;
UploadId = uploadId;
}
}
class PWGlacierAPI : GlacierAPIInterface
{
private AmazonGlacierClient _amazonGlacierClient;
private string _vault;
private string _archive;
public PWGlacierAPI(string vaultName, string archiveName)
{
_amazonGlacierClient = new AmazonGlacierClient(Amazon.RegionEndpoint.USEast1);
_vault = vaultName;
_archive = archiveName;
}
public string InitiateMultiPartUpload(int packetSize)
{
InitiateMultipartUploadRequest initiateRequest = new InitiateMultipartUploadRequest()
{
ArchiveDescription = _archive,
PartSize = packetSize,
VaultName = _vault
};
InitiateMultipartUploadResponse response = _amazonGlacierClient.InitiateMultipartUpload(initiateRequest);
return response.InitiateMultipartUploadResult.UploadId;
}
public bool UploadPart(GlacierFilePart part, System.EventHandler<Amazon.Runtime.StreamTransferProgressArgs> progressCallback)
{
UploadMultipartPartRequest uploadRequest = new UploadMultipartPartRequest()
{
Body = new MemoryStream(part.Data),
Checksum = part.Checksum,
Range = part.Range,
StreamTransferProgress = progressCallback,
UploadId = part.UploadId,
VaultName = _vault
};
UploadMultipartPartResponse response = _amazonGlacierClient.UploadMultipartPart(uploadRequest);
if (part.Checksum == response.UploadMultipartPartResult.Checksum)
return true;
else
return false;
}
public string EndMultiPartUpload(long archiveSize, string checksum, string uploadId)
{
CompleteMultipartUploadRequest request = new CompleteMultipartUploadRequest()
{
ArchiveSize = archiveSize.ToString(),
Checksum = checksum,
UploadId = uploadId,
VaultName = _vault
};
CompleteMultipartUploadResponse response = _amazonGlacierClient.CompleteMultipartUpload(request);
return response.CompleteMultipartUploadResult.ArchiveId;
}
public string InitiateDownloadRequest(string archiveId, string snsTopic = "")
{
InitiateJobRequest initDownloadRequest = new InitiateJobRequest()
{
VaultName = _vault,
JobParameters = new JobParameters()
{
Type = "archive-retrieval",
ArchiveId = archiveId
}
};
InitiateJobResponse response = _amazonGlacierClient.InitiateJob(initDownloadRequest);
return response.InitiateJobResult.JobId;
}
public bool JobCompleted(string jobId)
{
DescribeJobRequest describeJobRequest = new DescribeJobRequest()
{
AccountId = "-",
JobId = jobId,
VaultName = _vault
};
DescribeJobResponse response = _amazonGlacierClient.DescribeJob(describeJobRequest);
return response.DescribeJobResult.Completed;
}
public GlacierArchiveInfo ArchiveInfo(string jobId)
{
DescribeJobRequest describeJobRequest = new DescribeJobRequest()
{
AccountId = "-",
JobId = jobId,
VaultName = _vault
};
DescribeJobResponse response = _amazonGlacierClient.DescribeJob(describeJobRequest);
return new GlacierArchiveInfo(response.DescribeJobResult);
}
public ArchivePartInfo DownloadArchivePart(string jobId, long start, long end)
{
GetJobOutputRequest downloadRequest = new GetJobOutputRequest()
{
JobId = jobId,
VaultName = _vault
};
downloadRequest.SetRange(start, end);
GetJobOutputResponse response = _amazonGlacierClient.GetJobOutput(downloadRequest);
GetJobOutputResult result = response.GetJobOutputResult;
ArchivePartInfo info = new ArchivePartInfo(result.Body, result.Checksum);
return info;
}
public string InitiateVaultInventoryRequest()
{
InitiateJobRequest inventoryRequest = new InitiateJobRequest()
{
VaultName = _vault,
JobParameters = new JobParameters()
{
Type = "inventory-retrieval"
}
};
InitiateJobResponse response = _amazonGlacierClient.InitiateJob(inventoryRequest);
return response.InitiateJobResult.JobId;
}
public byte[] GetVaultInventory(string jobId)
{
GetJobOutputRequest inventoryRequest = new GetJobOutputRequest()
{
JobId = jobId,
VaultName = _vault
};
GetJobOutputResponse response = _amazonGlacierClient.GetJobOutput(inventoryRequest);
using (Stream webStream = response.GetJobOutputResult.Body)
{
List<byte> data = new List<byte>();
int newByte;
while ((newByte = webStream.ReadByte()) != -1)
data.Add((byte)newByte);
return data.ToArray();
}
}
}
}