private string GetURL(int expirySeconds, Amazon.S3.HttpVerb httpVerb)
{
var request =
new Amazon.S3.Model.GetPreSignedUrlRequest
{
BucketName = _bucketName,
Key = _keyName,
Verb = httpVerb,
Expires = DateTime.UtcNow.AddSeconds(expirySeconds)
};
return(_amazonS3.GetPreSignedURL(request));
}
/// <summary>
/// Gets the s3 signed URL access (for https access).
/// </summary>
/// <param name="key">The key.</param>
/// <param name="expirationMinutes">The expiration minutes.</param>
/// <returns></returns>
public string GetS3SignedUrlAccess(string key, int expirationMinutes)
{
Amazon.S3.Model.GetPreSignedUrlRequest request1 = new Amazon.S3.Model.GetPreSignedUrlRequest()
{
BucketName = s3Settings.BucketName,
Key = key,
Expires = DateTime.UtcNow.AddMinutes(expirationMinutes),
Protocol = Amazon.S3.Protocol.HTTPS
};
string url = s3Client.GetPreSignedURL(request1);
return(url);
}
/// <summary>
/// Gets the s3 signed URL access (for https access).
/// </summary>
/// <param name="key">The key.</param>
/// <returns></returns>
public string GetS3SignedUrlAccessByHour(string key)
{
var utcNow = DateTime.UtcNow;
Amazon.S3.Model.GetPreSignedUrlRequest request1 = new Amazon.S3.Model.GetPreSignedUrlRequest()
{
BucketName = s3Settings.BucketName,
Key = key,
Expires = DateTime.UtcNow.Date.AddHours(utcNow.Hour + 1),
Protocol = Amazon.S3.Protocol.HTTPS
};
string url = s3Client.GetPreSignedURL(request1);
return(url);
}
public async Task <ServiceResult <PresignedURLResponse> > CreatePresignedUrl(string bucketName, string filePath, string contentType)
{
var response = new ServiceResult <PresignedURLResponse>();
if (!(await ConfirmBucketExists(bucketName)))
{
response.Error = Shared.ErrorKey.Asset.InvalidBucket;
return(response);
}
var request = new Amazon.S3.Model.GetPreSignedUrlRequest
{
BucketName = bucketName,
Verb = HttpVerb.PUT,
Expires = DateTime.UtcNow.AddMinutes(5),
Key = filePath,
ContentType = contentType,
};
try
{
var result = this.client.GetPreSignedURL(request);
var correlationId = Svalbard.Utils.MurmurHash2.ComputeHash(result);
response.Succeed(new PresignedURLResponse(result, correlationId));
cache.Set(correlationId, result, request.Expires);
}
catch (Exception e)
{
logger.LogError(e, "Failed to create a presigned url.");
response.Error = Shared.ErrorKey.Asset.PresignedRequestFailure;
return(response);
}
return(response);
}
/// <summary>
/// Takes a key and a bucket and converts the
/// path into a presigned url for access to restricted
/// S3 content.
/// </summary>
/// <param name="bucket">The bucket that the object is in.</param>
/// <param name="key">The path to the object in S3.</param>
/// <param name="expiresIn">The amount of minutes from now to expire the URL from.</param>
/// <param name="protocol">The protocol of the URL to request. Default is HTTP.</param>
/// <returns></returns>
public static string PreSignURL(string bucket, string key, double expiresIn = 5, Amazon.S3.Protocol protocol = Amazon.S3.Protocol.HTTP)
{
string url = string.Empty;
using (Amazon.S3.IAmazonS3 client = new Factory().S3Client())
{
Amazon.S3.Model.GetPreSignedUrlRequest request = new Amazon.S3.Model.GetPreSignedUrlRequest()
{
BucketName = bucket,
Key = key,
Protocol = protocol,
Expires = DateTime.Now.AddMinutes(expiresIn)
};
url = client.GetPreSignedURL(request);
}
return url;
}
/// <summary>
/// Uploads the drawing to Amazon S3
/// </summary>
/// <param name="dwgFilePath"></param>
/// <returns>Presigned Url of the uploaded drawing file in Amazon S3</returns>
public static String UploadDrawingToS3(String dwgFilePath)
{
String s3URL = String.Empty;
try
{
if (!System.IO.File.Exists(dwgFilePath))
{
return(s3URL);
}
String keyName = System.IO.Path.GetFileName(dwgFilePath);
//be sure to connect to the endpoint which is the same region of your bucket!
using (Amazon.S3.IAmazonS3 client = new Amazon.S3.AmazonS3Client(Amazon.RegionEndpoint.USWest2))
{
Amazon.S3.Model.PutObjectRequest putRequest1 = new Amazon.S3.Model.PutObjectRequest
{
BucketName = S3BucketName,
Key = keyName,
ContentBody = "sample text"
};
Amazon.S3.Model.PutObjectResponse response1 = client.PutObject(putRequest1);
Amazon.S3.Model.PutObjectRequest putRequest2 = new Amazon.S3.Model.PutObjectRequest
{
BucketName = S3BucketName,
Key = keyName,
FilePath = dwgFilePath,
ContentType = "application/acad"
};
putRequest2.Metadata.Add("x-amz-meta-title", keyName);
Amazon.S3.Model.PutObjectResponse response2 = client.PutObject(putRequest2);
Amazon.S3.Model.GetPreSignedUrlRequest request1 = new Amazon.S3.Model.GetPreSignedUrlRequest
{
BucketName = S3BucketName,
Key = keyName,
Expires = DateTime.Now.AddMinutes(5)
};
s3URL = client.GetPreSignedURL(request1);
Console.WriteLine(s3URL);
}
}
catch (Amazon.S3.AmazonS3Exception amazonS3Exception)
{
if (amazonS3Exception.ErrorCode != null &&
(amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") ||
amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
{
Console.WriteLine("Check the provided AWS Credentials.");
Console.WriteLine("For service sign up go to http://aws.amazon.com/s3");
}
else
{
Console.WriteLine("Error occurred. Message:'{0}' when writing an object", amazonS3Exception.Message);
}
}
return(s3URL);
}
/// <summary>
/// Uploads the drawing to Amazon S3
/// </summary>
/// <param name="dwgFilePath"></param>
/// <returns>Presigned Url of the uploaded drawing file in Amazon S3</returns>
public static String UploadDrawingToS3(String dwgFilePath)
{
String s3URL = String.Empty;
try
{
if (!System.IO.File.Exists(dwgFilePath))
return s3URL;
String keyName = System.IO.Path.GetFileName(dwgFilePath);
using (Amazon.S3.IAmazonS3 client = new Amazon.S3.AmazonS3Client(Amazon.RegionEndpoint.APSoutheast1))
{
Amazon.S3.Model.PutObjectRequest putRequest1 = new Amazon.S3.Model.PutObjectRequest
{
BucketName = S3BucketName,
Key = keyName,
ContentBody = "sample text"
};
Amazon.S3.Model.PutObjectResponse response1 = client.PutObject(putRequest1);
Amazon.S3.Model.PutObjectRequest putRequest2 = new Amazon.S3.Model.PutObjectRequest
{
BucketName = S3BucketName,
Key = keyName,
FilePath = dwgFilePath,
ContentType = "application/acad"
};
putRequest2.Metadata.Add("x-amz-meta-title", keyName);
Amazon.S3.Model.PutObjectResponse response2 = client.PutObject(putRequest2);
Amazon.S3.Model.GetPreSignedUrlRequest request1 = new Amazon.S3.Model.GetPreSignedUrlRequest
{
BucketName = S3BucketName,
Key = keyName,
Expires = DateTime.Now.AddMinutes(5)
};
s3URL = client.GetPreSignedURL(request1);
Console.WriteLine(s3URL);
}
}
catch (Amazon.S3.AmazonS3Exception amazonS3Exception)
{
if (amazonS3Exception.ErrorCode != null &&
(amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") ||
amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
{
Console.WriteLine("Check the provided AWS Credentials.");
Console.WriteLine("For service sign up go to http://aws.amazon.com/s3");
}
else
{
Console.WriteLine("Error occurred. Message:'{0}' when writing an object", amazonS3Exception.Message);
}
}
return s3URL;
}
//TODO: See if this works for streaming private files
//http://anthonyvscode.com/2011/01/11/using-amazon-s3-cloudfront-to-distribute-your-private-files/
//public string StoreStreamingFile(Stream stream, string contentType)
//{
// string key = Guid.NewGuid().ToString("N") + "." + contentType.Split('/').LastOrDefault();
//if (stream.Length > 100000000)
//{
// TransferUtility transferUtility = new TransferUtility(S3Helper.S3ClientInstance);
// TransferUtilityUploadRequest uploadRequest = new TransferUtilityUploadRequest();
// uploadRequest.WithBucketName(Helper.AppConfig.AWS_BucketStreaming)
// .WithKey(key)
// .WithCannedACL(Amazon.S3.Model.S3CannedACL.PublicRead)
// .WithAutoCloseStream(true)
// .WithContentType(contentType)
// .WithStorageClass(Amazon.S3.Model.S3StorageClass.ReducedRedundancy)
// .WithPartSize(10485760)
// .WithTimeout(3600000)
// .WithInputStream(stream);
// transferUtility.Upload(uploadRequest);
//}
//else
//{
//Amazon.S3.Model.PutObjectRequest por = new Amazon.S3.Model.PutObjectRequest();
//por.WithBucketName(Helper.AppConfig.AWS_Bucket)
// .WithKey(key)
// .WithCannedACL(Amazon.S3.Model.S3CannedACL.PublicRead)
// .WithContentType(contentType)
// .WithStorageClass(Amazon.S3.Model.S3StorageClass.ReducedRedundancy)
// .WithTimeout(3600000)
// .WithInputStream(stream);
//Amazon.S3.Model.PutObjectResponse response = S3Helper.S3ClientInstance.PutObject(por);
//}
// return key;
//}
public string GetFileUrl(string key, bool isSSL)
{
DateTime expiration = DateTime.UtcNow.AddDays(1);
Amazon.S3.Model.GetPreSignedUrlRequest req = new Amazon.S3.Model.GetPreSignedUrlRequest();
req.WithBucketName(Helper.AppConfig.AWS_Bucket)
.WithKey(key)
.WithExpires(expiration)
.WithVerb(Amazon.S3.Model.HttpVerb.GET);
return S3Helper.S3ClientInstance.GetPreSignedURL(req);
if (isSSL)
{
req.Protocol = Amazon.S3.Model.Protocol.HTTPS;
}
else
{
req.Protocol = Amazon.S3.Model.Protocol.HTTP;
}
return S3Helper.S3ClientInstance.GetPreSignedURL(req);
}
