//removes a file in S3 cloud
public static void RemoveObjectFromS3(string filePath)
{
AmazonS3 client;
if (CheckS3Credentials())
{
NameValueCollection appConfig =
ConfigurationManager.AppSettings;
string accessKeyID = appConfig["AWSAccessKey"];
string secretAccessKeyID = appConfig["AWSSecretKey"];
using (client = Amazon.AWSClientFactory.CreateAmazonS3Client(
accessKeyID, secretAccessKeyID, RegionEndpoint.USWest1))
{
try
{
DeleteObjectRequest request = new DeleteObjectRequest();
request.WithBucketName(Constants.AmazonS3BucketName)
.WithKey(filePath);
S3Response response = client.DeleteObject(request);
response.Dispose();
}
catch (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 deleting an object"
, amazonS3Exception.Message);
}
}
}
}
}
static void WritingAnObject()
{
try
{
// simple object put
PutObjectRequest request = new PutObjectRequest();
request.WithContentBody("this is a test")
.WithBucketName(bucketName)
.WithKey(keyName);
S3Response response = client.PutObject(request);
response.Dispose();
// put a more complex object with some metadata and http headers.
PutObjectRequest titledRequest = new PutObjectRequest();
titledRequest.WithMetaData("title", "the title")
.WithContentBody("this object has a title")
.WithBucketName(bucketName)
.WithKey(keyName);
using (S3Response responseWithMetadata = client.PutObject(titledRequest))
{
WebHeaderCollection headers = response.Headers;
foreach (string key in headers.Keys)
{
Console.WriteLine("Response Header: {0}, Value: {1}", key, headers.Get(key));
}
}
}
catch (AmazonS3Exception amazonS3Exception)
{
if (amazonS3Exception.ErrorCode != null &&
(amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") ||
amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
{
Console.WriteLine("Please check the provided AWS Credentials.");
Console.WriteLine("If you haven't signed up for Amazon S3, please visit http://aws.amazon.com/s3");
}
else
{
Console.WriteLine("An error occurred with the message '{0}' when writing an object", amazonS3Exception.Message);
}
}
}
public static void WriteObjectRequest(string bucketName, string fileName, Stream fileContent, AmazonS3Client s3Client)
{
if (String.IsNullOrEmpty(fileName))
{
return;
}
PutObjectRequest putObjectRequest = new PutObjectRequest();
putObjectRequest.WithBucketName(bucketName)
.WithKey(fileName)
.WithStorageClass(S3StorageClass.Standard)
.WithCannedACL(S3CannedACL.PublicRead)
.WithInputStream(fileContent);
S3Response response = s3Client.PutObject(putObjectRequest);
response.Dispose();
}
public static String UploadToS3(string fileName, Stream fileContent)
{
if (String.IsNullOrEmpty(fileName))
{
return("");
}
AmazonS3 s3Client = Amazon.AWSClientFactory.CreateAmazonS3Client("AKIAJ4A6DAATIDU6ELAA", "EiA6EILkCp7pqzvnIUhXg3FFOft0j+pA/DtBM8if");
PutObjectRequest putObjectRequest = new PutObjectRequest();
putObjectRequest.WithBucketName("shriners_rms");
putObjectRequest.CannedACL = S3CannedACL.PublicRead;
putObjectRequest.Key = fileName;
putObjectRequest.InputStream = fileContent;
S3Response response = s3Client.PutObject(putObjectRequest);
response.Dispose();
return("http://shriners_rms.s3.amazonaws.com/" + fileName);
}
//removes all files with same prefix in S3 cloud
public static void RemoveAllObjectsWithPrefixS3(string filePath)
{
AmazonS3 client;
if (CheckS3Credentials())
{
NameValueCollection appConfig =
ConfigurationManager.AppSettings;
string accessKeyID = appConfig["AWSAccessKey"];
string secretAccessKeyID = appConfig["AWSSecretKey"];
using (client = Amazon.AWSClientFactory.CreateAmazonS3Client(
accessKeyID, secretAccessKeyID, RegionEndpoint.USWest1))
{
try
{
//first get all objects with the same prefix (in the same "folder")
ListObjectsRequest listRequest = new ListObjectsRequest();
listRequest.WithBucketName(Constants.AmazonS3BucketName)
.WithPrefix(filePath);
ListObjectsResponse listResponse = client.ListObjects(listRequest);
//delete all objects
DeleteObjectsRequest deleteRequest = new DeleteObjectsRequest();
deleteRequest.WithBucketName(Constants.AmazonS3BucketName);
foreach (S3Object obj in listResponse.S3Objects)
{
deleteRequest.AddKey(obj.Key);
}
//if there are any files to delete
if (deleteRequest.Keys.Count > 0)
{
S3Response response = client.DeleteObjects(deleteRequest);
response.Dispose();
}
}
catch (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 deleting an object"
, amazonS3Exception.Message);
}
}
}
}
}
