/// <summary>
/// Download zip files
/// </summary>
/// <param name="feed"></param>
/// <param name="creds"></param>
/// <param name="baseDirectory"></param>
static void DownloadFiles(Feed feed, S3Creds creds, string baseDirectory)
{
var s3Client = new AmazonS3Client(GetTemporaryCredentialsAsync(creds), bucketRegion);
try
{
var arr = feed.location.Split('/');
var bucketName = arr[2].Replace("s3://", "").Trim();
var baseKey = feed.location.Replace("s3://" + arr[2], "").Trim().TrimStart('/');
foreach(var file in feed.files)
{
GetObjectRequest request = new GetObjectRequest
{
BucketName = bucketName,
Key = baseKey + "/" + file
};
Log(string.Format("Downloading.. {0}" , request.Key));
using (GetObjectResponse response = s3Client.GetObjectAsync(request).Result)
{
response.WriteResponseStreamToFile
(string.Concat(baseDirectory , feed.Id , @"\" + file));
}
}
}
catch (AmazonS3Exception e)
{
Log(string.Format("Error encountered ***. Message:'{0}' when writing an object", e.Message));
}
catch (Exception e)
{
Log(string.Format("Unknown encountered on server. Message:'{0}' when writing an object", e.Message));
}
}
/// <summary>
/// Download meta data file....
/// </summary>
/// <param name="feed"></param>
/// <param name="creds"></param>
/// <param name="baseDirectory"></param>
static async Task DownloadMetaFiles(Feed feed, S3Creds creds, string baseDirectory)
{
var s3Client = new AmazonS3Client(GetTemporaryCredentialsAsync(creds), bucketRegion);
try
{
var arr = feed.metaDataFile.Split('/');
var bucketName = arr[2].Replace("s3://", "").Trim();
var baseKey = feed.metaDataFile.Replace("s3://" + arr[2], "").Trim().TrimStart('/');
Console.WriteLine(baseKey);
GetObjectRequest request = new GetObjectRequest
{
BucketName = bucketName,
Key = baseKey
};
using (GetObjectResponse response = await s3Client.GetObjectAsync(request))
{
response.WriteResponseStreamToFile(string.Concat
(baseDirectory , feed.Id + @"\_" , Path.GetFileName(baseKey)));
}
}
catch (AmazonS3Exception e)
{
Console.WriteLine("Error encountered ***. 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);
}
}
private static SessionAWSCredentials GetTemporaryCredentialsAsync(S3Creds cred)
{
return new SessionAWSCredentials
(cred.accessKeyId, cred.secretAccessKey, cred.sessionToken);
}
