public string GetPresignedUrl(string docId, string area, [FromBody] GetPresignedUrlDTO dto)
{
// Could come from request as well
var key = docId + "/" + area + "/" + dto.FileName;
var user = securityContext.GetUser();
Console.WriteLine("Fetched user's data");
Console.WriteLine(user.GivenName);
Console.WriteLine(user.Id);
var metadata = new Dictionary <string, string>
{
{ "userId", user.Id }
};
var url = s3.GeneratePreSignedURLForPut(key, dto, metadata);
return(Jsoner.Convert(new { url, key }));
}
private string GeneratePreSignedURL(string key, HttpVerb verb, GetPresignedUrlDTO dto = null, Dictionary <string, string> metadata = null)
{
double duration = 600;
string urlString = "";
try
{
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest
{
BucketName = GetBucketName(),
Key = key,
Expires = DateTime.UtcNow.AddSeconds(duration),
Verb = verb
};
if (metadata != null)
{
foreach (var item in metadata.Keys)
{
Console.WriteLine("Adding metadata " + item + ":" + metadata[item]);
request.Headers["x-amz-meta-" + item] = metadata[item];
}
}
if (dto != null)
{
request.ResponseHeaderOverrides.ContentType = dto.ContentType;
}
urlString = GetClient().GetPreSignedURL(request);
}
catch (AmazonS3Exception e)
{
Console.WriteLine("Error encountered on server. Message:'{0}' when writing an object", e.Message);
}
catch (Exception e)
{
Console.WriteLine("Unknown encountered on server. Message:'{0}' when writing an object", e.Message);
}
return(urlString);
}
public string GeneratePreSignedURLForPut(string key, GetPresignedUrlDTO dto, Dictionary <string, string> metadata)
{
return(GeneratePreSignedURL(key, HttpVerb.PUT, dto, metadata));
}
public string GeneratePresignedURLForGet(string key, GetPresignedUrlDTO dto = null)
{
return(GeneratePreSignedURL(key, HttpVerb.GET, dto));
}
