internal static PreRequestEventArgs Create(AmazonWebServiceRequest request)
{
PreRequestEventArgs args = new PreRequestEventArgs
{
Request = request
};
return args;
}
/// <summary>
/// Constructs a new DefaultRequest with the specified service name and the
/// original, user facing request object.
/// </summary>
/// <param name="request">The orignal request that is being wrapped</param>
/// <param name="serviceName">The service name</param>
public DefaultRequest(AmazonWebServiceRequest request, String serviceName)
{
if (request == null) throw new ArgumentNullException("request");
if (string.IsNullOrEmpty(serviceName)) throw new ArgumentNullException("serviceName");
this.serviceName = serviceName;
this.originalRequest = request;
this.requestName = this.originalRequest.GetType().Name;
}
protected override void ProcessPreRequestHandlers(AmazonWebServiceRequest request)
{
base.ProcessPreRequestHandlers(request);
var uploadDocumentsRequest = request as UploadDocumentsRequest;
if (uploadDocumentsRequest != null)
{
if(uploadDocumentsRequest.Documents == null && string.IsNullOrEmpty(uploadDocumentsRequest.FilePath))
throw new ArgumentException("Please specify one of either a Documents or a FilePath to be uploaded.");
if (uploadDocumentsRequest.Documents != null && !string.IsNullOrEmpty(uploadDocumentsRequest.FilePath))
throw new ArgumentException("Please specify one of either a Documents or a FilePath to be uploaded.");
if (!string.IsNullOrEmpty(uploadDocumentsRequest.FilePath))
{
uploadDocumentsRequest.SetupForFilePath();
}
}
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutPublicAccessBlockRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((ListBucketsRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutObjectRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((ListBucketInventoryConfigurationsRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((CompleteMultipartUploadRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutBucketIntelligentTieringConfigurationRequest)input));
}
/// <summary>
/// Constructs a new DefaultRequest with the specified service name and the
/// original, user facing request object.
/// </summary>
/// <param name="originalRequest">The orignal request that is being wrapped</param>
/// <param name="serviceName">The service name</param>
public DefaultRequest(AmazonWebServiceRequest originalRequest, String serviceName)
{
this.serviceName = serviceName;
this.originalRequest = originalRequest;
}
/// <summary>
/// Performs encryption for PutObject and MultiPartUpload,
/// also adding encryption information to object metadata or
/// instruction file
/// </summary>
/// <param name="request">AmazonWebServiceRequest on which encryption is performed </param>
protected override void ProcessPreRequestHandlers(AmazonWebServiceRequest request)
{
base.ProcessPreRequestHandlers(request);
var putObjectRequest = request as PutObjectRequest;
if (putObjectRequest != null)
{
if (this.amazonS3CryptoConfig.StorageMode == CryptoStorageMode.InstructionFile)
{
GenerateEncryptedObjectRequestUsingInstructionFile(putObjectRequest);
}
else
{
GenerateEncryptedObjectRequestUsingMetadata(putObjectRequest);
}
}
var initiateMultiPartRequest = request as InitiateMultipartUploadRequest;
if (initiateMultiPartRequest != null)
{
EncryptionInstructions instructions = EncryptionUtils.GenerateInstructions(this.encryptionMaterials);
if (this.amazonS3CryptoConfig.StorageMode == CryptoStorageMode.ObjectMetadata)
{
EncryptionUtils.UpdateMetadataWithEncryptionInstructions(initiateMultiPartRequest, instructions);
}
initiateMultiPartRequest.EnvelopeKey = instructions.EnvelopeKey;
initiateMultiPartRequest.IV = instructions.InitializationVector;
}
var uploadPartRequest = request as UploadPartRequest;
if (uploadPartRequest != null)
{
GenerateEncryptedUploadPartRequest(uploadPartRequest);
}
}
internal static PutObjectRequest CreateInstructionFileRequest(AmazonWebServiceRequest request, EncryptionInstructions instructions)
{
byte[] keyBytesToStoreInInstructionFile = instructions.EncryptedEnvelopeKey;
string base64EncodedEnvelopeKey = Convert.ToBase64String(keyBytesToStoreInInstructionFile);
byte[] IVToStoreInInstructionFile = instructions.InitializationVector;
string base64EncodedIV = Convert.ToBase64String(IVToStoreInInstructionFile);
JsonData jsonData = new JsonData();
jsonData["EncryptedEnvelopeKey"] = base64EncodedEnvelopeKey;
jsonData["IV"] = base64EncodedIV;
string credentials = jsonData.ToJson();
var putObjectRequest = request as PutObjectRequest;
if (putObjectRequest != null)
{
PutObjectRequest requestforInstructionFile = new PutObjectRequest()
{
BucketName = putObjectRequest.BucketName,
Key = putObjectRequest.Key + instructionfileSuffix,
ContentBody = credentials
};
requestforInstructionFile.Metadata.Add(instructionFileInfo, "");
return requestforInstructionFile;
}
var completeMultiPartRequest = request as CompleteMultipartUploadRequest;
if (completeMultiPartRequest != null)
{
PutObjectRequest requestforInstructionFile = new PutObjectRequest()
{
BucketName = completeMultiPartRequest.BucketName,
Key = completeMultiPartRequest.Key + instructionfileSuffix,
ContentBody = credentials
};
requestforInstructionFile.Metadata.Add(instructionFileInfo, "");
return requestforInstructionFile;
}
else
return null;
}
/// <summary>
/// Update the request's ObjectMetadata with the necessary information for decrypting the object.
/// </summary>
/// <param name="request">
/// AmazonWebServiceRequest encrypted using the given instruction
/// </param>
/// <param name="instructions">
/// Non-null instruction used to encrypt the data in this AmazonWebServiceRequest .
/// </param>
internal static void UpdateMetadataWithEncryptionInstructions(AmazonWebServiceRequest request, EncryptionInstructions instructions)
{
byte[] keyBytesToStoreInMetadata = instructions.EncryptedEnvelopeKey;
string base64EncodedEnvelopeKey = Convert.ToBase64String(keyBytesToStoreInMetadata);
byte[] IVToStoreInMetadata = instructions.InitializationVector;
string base64EncodedIV = Convert.ToBase64String(IVToStoreInMetadata);
var putObjectRequest = request as PutObjectRequest;
if (putObjectRequest != null)
{
MetadataCollection metadata = putObjectRequest.Metadata;
metadata.Add(keyInMetadata, base64EncodedEnvelopeKey);
metadata.Add(initVectorInMetadata, base64EncodedIV);
Dictionary<string, string> materialsDescription = instructions.MaterialsDescription;
if (materialsDescription.Count == 0)
metadata.Add(encryptionMaterialsDescription, "{}");
putObjectRequest.Metadata = metadata;
}
var initiateMultipartrequest = request as InitiateMultipartUploadRequest;
if (initiateMultipartrequest != null)
{
MetadataCollection metadata = initiateMultipartrequest.Metadata;
metadata.Add(keyInMetadata, base64EncodedEnvelopeKey);
metadata.Add(initVectorInMetadata, base64EncodedIV);
Dictionary<string, string> materialsDescription = instructions.MaterialsDescription;
if (materialsDescription.Count == 0)
metadata.Add(encryptionMaterialsDescription, "{}");
initiateMultipartrequest.Metadata = metadata;
}
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutBucketOwnershipControlsRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutBucketNotificationRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutBucketAnalyticsConfigurationRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutBucketLoggingRequest)input));
}
public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
{
return(this.Marshall((PutLifecycleConfigurationRequest)input));
}
