public string UploadImageToS3(AST.Address addr, Bitmap b, string secret)
{
// convert Bitmap to MemoryStream
MemoryStream stream = new MemoryStream();
b.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
// the image name is the md
var imagename = GetImageName(addr);
// the url to the bitmap
string url;
// upload MemoryStream to S3
using (AmazonS3 client = Amazon.AWSClientFactory.CreateAmazonS3Client(_id, secret))
{
// generate url
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest()
{
BucketName = _s3bucket,
Key = imagename,
Verb = HttpVerb.GET,
Expires = DateTime.Now.AddMonths(24)
};
url = client.GetPreSignedURL(request);
// upload image
var tu = new Amazon.S3.Transfer.TransferUtility(client);
tu.Upload(stream, _s3bucket, imagename);
}
return(url);
}
public override string SavePrivate(string domain, string path, Stream stream, DateTime expires)
{
using (AmazonS3 client = GetClient())
{
var request = new PutObjectRequest();
string objectKey = MakePath(domain, path);
request.WithBucketName(_bucket)
.WithKey(objectKey)
.WithCannedACL(S3CannedACL.BucketOwnerFullControl)
.WithContentType("application/octet-stream")
.WithMetaData("private-expire", expires.ToFileTimeUtc().ToString());
var headers = new NameValueCollection();
headers.Add("Cache-Control", string.Format("public, maxage={0}", (int)TimeSpan.FromDays(5).TotalSeconds));
headers.Add("Etag", (DateTime.UtcNow.Ticks).ToString());
headers.Add("Last-Modified", DateTime.UtcNow.ToString("R"));
headers.Add("Expires", DateTime.UtcNow.Add(TimeSpan.FromDays(5)).ToString("R"));
headers.Add("Content-Disposition", "attachment");
request.AddHeaders(headers);
request.WithInputStream(stream);
client.PutObject(request);
//Get presigned url
GetPreSignedUrlRequest pUrlRequest = new GetPreSignedUrlRequest()
.WithBucketName(_bucket)
.WithExpires(expires)
.WithKey(objectKey)
.WithProtocol(Protocol.HTTP)
.WithVerb(HttpVerb.GET);
string url = client.GetPreSignedURL(pUrlRequest);
//TODO: CNAME!
return(url);
}
}
/// <summary>
/// Determines whether an S3 bucket exists or not.
/// This is done by:
/// 1. Creating a PreSigned Url for the bucket (with an expiry date at the end of this decade)
/// 2. Making a HEAD request to the Url
/// </summary>
/// <param name="bucketName">The name of the bucket to check.</param>
/// <param name="client">The Amazon S3 Client to use for S3 specific operations.</param>
/// <returns></returns>
public static bool DoesS3BucketExist(string bucketName, AmazonS3 client)
{
if (client == null)
{
throw new ArgumentNullException("client", "The s3Client cannot be null!");
}
if (String.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException("bucketName", "The bucketName cannot be null or the empty string!");
}
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.BucketName = bucketName;
request.Expires = new DateTime(2019, 12, 31);
request.Verb = HttpVerb.HEAD;
request.Protocol = Protocol.HTTP;
Uri url = new Uri(client.GetPreSignedURL(request));
HttpWebRequest httpRequest = WebRequest.Create(url) as HttpWebRequest;
httpRequest.Method = "HEAD";
bool response = true;
try
{
httpRequest.BeginGetResponse(asyncResponse =>
{
HttpWebResponse httpResponse = (HttpWebResponse)httpRequest.EndGetResponse(asyncResponse);
if (null != httpResponse)
{
response = true;
}
}, httpRequest);
}
catch (WebException we)
{
using (HttpWebResponse errorResponse = we.Response as HttpWebResponse)
{
if (errorResponse != null)
{
HttpStatusCode code = errorResponse.StatusCode;
return(code != HttpStatusCode.NotFound &&
code != HttpStatusCode.BadRequest);
}
// The Error Response is null which is indicative of either
// a bad request or some other problem
response = false;
}
}
return(response);
}
public static String MakeUrl(AmazonS3 s3Client, string filekey)
{
string preSignedURL = s3Client.GetPreSignedURL(new GetPreSignedUrlRequest()
{
BucketName = BUCKET_NAME,
Key = filekey,
Expires = System.DateTime.Now.AddYears(10)
});
return(preSignedURL);
}
/// <summary>
/// Determines whether an S3 bucket exists or not.
/// This is done by:
/// 1. Creating a PreSigned Url for the bucket (with an expiry date at the end of this decade)
/// 2. Making a HEAD request to the Url
/// </summary>
/// <param name="bucketName">The name of the bucket to check.</param>
/// <param name="s3Client">The Amazon S3 Client to use for S3 specific operations.</param>
/// <returns></returns>
public static bool DoesS3BucketExist(string bucketName, AmazonS3 s3Client)
{
if (s3Client == null)
{
throw new ArgumentNullException("s3Client", "The s3Client cannot be null!");
}
if (String.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException("bucketName", "The bucketName cannot be null or the empty string!");
}
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.BucketName = bucketName;
request.Expires = new DateTime(2019, 12, 31);
request.Verb = HttpVerb.HEAD;
request.Protocol = Protocol.HTTP;
string url = s3Client.GetPreSignedURL(request);
HttpWebRequest httpRequest = WebRequest.Create(url) as HttpWebRequest;
httpRequest.Method = "HEAD";
AmazonS3Client concreteClient = s3Client as AmazonS3Client;
if (concreteClient != null)
{
concreteClient.ConfigureProxy(httpRequest);
}
try
{
HttpWebResponse httpResponse = httpRequest.GetResponse() as HttpWebResponse;
// If all went well, the bucket was found!
return(true);
}
catch (WebException we)
{
using (HttpWebResponse errorResponse = we.Response as HttpWebResponse)
{
if (errorResponse != null)
{
HttpStatusCode code = errorResponse.StatusCode;
return(code != HttpStatusCode.NotFound &&
code != HttpStatusCode.BadRequest);
}
// The Error Response is null which is indicative of either
// a bad request or some other problem
return(false);
}
}
}
public string GeneratePreSignedURL(String sFolder, String objectKey)
{
AmazonS3 client = AWSClientFactory.CreateAmazonS3Client(S3ACCESSKEY, S3SECRETKEY);
string BUCKET_NAME = ConfigurationManager.AppSettings["AWSBUCKET"];
string urlString;
if (sFolder != "")
{
urlString = sFolder + "/";
}
else
{
urlString = "";
}
GetPreSignedUrlRequest request1 = new GetPreSignedUrlRequest
{
BucketName = BUCKET_NAME,
Key = objectKey,
Expires = DateTime.Now.AddMinutes(5),
Protocol = Amazon.S3.Model.Protocol.HTTP
};
try
{
urlString = client.GetPreSignedURL(request1);
}
catch (AmazonS3Exception amazonS3Exception)
{
if (amazonS3Exception.ErrorCode != null &&
(amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId")
||
amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
{
Console.WriteLine("Check the provided AWS Credentials.");
Console.WriteLine(
"To sign up for service, go to http://aws.amazon.com/s3");
}
else
{
Console.WriteLine(
"Error occurred. Message:'{0}' when listing objects",
amazonS3Exception.Message);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(urlString);
}
public Uri FetchFileUrl(string sObjectKey)
{
AmazonS3 client = AWSClientFactory.CreateAmazonS3Client(S3ACCESSKEY, S3SECRETKEY);
string S3_KEY = ConfigurationManager.AppSettings["AWSS3KEY"];
string BUCKET_NAME = ConfigurationManager.AppSettings["AWSBUCKET"];
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.WithBucketName(BUCKET_NAME);
request.WithKey(sObjectKey);
request.WithProtocol(Protocol.HTTP);
request.WithExpires(DateTime.Now.AddMinutes(3));
return(new Uri(client.GetPreSignedURL(request), UriKind.Absolute));
}
public static String MakeUrl(AmazonS3 s3Client)
{
string preSignedURL = s3Client.GetPreSignedURL(new GetPreSignedUrlRequest()
{
BucketName = BUCKET_NAME,
Key = S3_KEY,
Expires = System.DateTime.Now.AddMinutes(30),
Protocol = Protocol.HTTP
});
//Console.WriteLine(preSignedURL);
return(preSignedURL);
}
public override string SavePrivate(string domain, string path, Stream stream, DateTime expires)
{
using (AmazonS3 client = GetClient())
{
var objectKey = MakePath(domain, path);
var request = new Amazon.S3.Transfer.TransferUtilityUploadRequest
{
BucketName = _bucket,
Key = objectKey,
CannedACL = S3CannedACL.BucketOwnerFullControl,
ContentType = "application/octet-stream",
};
request.WithMetadata("private-expire", expires.ToFileTimeUtc().ToString(CultureInfo.InvariantCulture));
var headers = new NameValueCollection();
headers.Add("Cache-Control", string.Format("public, maxage={0}", (int)TimeSpan.FromDays(5).TotalSeconds));
headers.Add("Etag", (DateTime.UtcNow.Ticks).ToString(CultureInfo.InvariantCulture));
headers.Add("Last-Modified", DateTime.UtcNow.ToString("R"));
headers.Add("Expires", DateTime.UtcNow.Add(TimeSpan.FromDays(5)).ToString("R"));
headers.Add("Content-Disposition", "attachment");
request.AddHeaders(headers);
request.InputStream = stream;
new Amazon.S3.Transfer.TransferUtility(client).Upload(request);
//Get presigned url
var pUrlRequest = new GetPreSignedUrlRequest
{
BucketName = _bucket,
Expires = expires,
Key = objectKey,
Protocol = Protocol.HTTP,
Verb = HttpVerb.GET
};
string url = client.GetPreSignedURL(pUrlRequest);
//TODO: CNAME!
return(url);
}
}
public static bool DoesS3BucketExist(string bucketName, AmazonS3 s3Client)
{
bool flag;
if (s3Client == null)
{
throw new ArgumentNullException("s3Client", "The s3Client cannot be null!");
}
if (string.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException("bucketName", "The bucketName cannot be null or the empty string!");
}
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.BucketName = bucketName;
request.Expires = new DateTime(0x7e3, 12, 0x1f);
request.Verb = HttpVerb.HEAD;
HttpWebRequest request2 = WebRequest.Create(s3Client.GetPreSignedURL(request)) as HttpWebRequest;
request2.Method = "HEAD";
try
{
request2.GetResponse();
flag = true;
}
catch (WebException exception)
{
using (HttpWebResponse response = exception.Response as HttpWebResponse)
{
if (response != null)
{
HttpStatusCode statusCode = response.StatusCode;
return((statusCode != HttpStatusCode.NotFound) && (statusCode != HttpStatusCode.BadRequest));
}
flag = false;
}
}
return(flag);
}
/// <summary>
/// Determines whether an S3 bucket exists or not.
/// This is done by:
/// 1. Creating a PreSigned Url for the bucket (with an expiry date at the end of this decade)
/// 2. Making a HEAD request to the Url
/// </summary>
/// <param name="bucketName">The name of the bucket to check.</param>
/// <param name="s3Client">The Amazon S3 Client to use for S3 specific operations.</param>
/// <returns></returns>
public static bool DoesS3BucketExist(string bucketName, AmazonS3 s3Client)
{
if (s3Client == null)
{
throw new ArgumentNullException("s3Client", "The s3Client cannot be null!");
}
if (String.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException("bucketName", "The bucketName cannot be null or the empty string!");
}
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.BucketName = bucketName;
request.Expires = new DateTime(2019, 12, 31);
request.Verb = HttpVerb.HEAD;
request.Protocol = Protocol.HTTP;
string url = s3Client.GetPreSignedURL(request);
HttpWebRequest httpRequest = WebRequest.Create(url) as HttpWebRequest;
httpRequest.Method = "HEAD";
try
{
HttpWebResponse httpResponse = httpRequest.GetResponse() as HttpWebResponse;
// If all went well, the bucket was found!
return true;
}
catch (WebException we)
{
using (HttpWebResponse errorResponse = we.Response as HttpWebResponse)
{
if (errorResponse != null)
{
HttpStatusCode code = errorResponse.StatusCode;
return code != HttpStatusCode.NotFound &&
code != HttpStatusCode.BadRequest;
}
// The Error Response is null which is indicative of either
// a bad request or some other problem
return false;
}
}
}
public static bool DoesS3BucketExist(string bucketName, AmazonS3 s3Client)
{
bool flag;
if (s3Client == null)
{
throw new ArgumentNullException("s3Client", "The s3Client cannot be null!");
}
if (string.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException("bucketName", "The bucketName cannot be null or the empty string!");
}
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.BucketName = bucketName;
request.Expires = new DateTime(0x7e3, 12, 0x1f);
request.Verb = HttpVerb.HEAD;
HttpWebRequest request2 = WebRequest.Create(s3Client.GetPreSignedURL(request)) as HttpWebRequest;
request2.Method = "HEAD";
try
{
request2.GetResponse();
flag = true;
}
catch (WebException exception)
{
using (HttpWebResponse response = exception.Response as HttpWebResponse)
{
if (response != null)
{
HttpStatusCode statusCode = response.StatusCode;
return ((statusCode != HttpStatusCode.NotFound) && (statusCode != HttpStatusCode.BadRequest));
}
flag = false;
}
}
return flag;
}
public static String MakeUrl(AmazonS3 s3Client, string filekey)
{
string preSignedURL = s3Client.GetPreSignedURL(new GetPreSignedUrlRequest()
{
BucketName = BUCKET_NAME,
Key = filekey,
Expires = System.DateTime.Now.AddYears(10)
});
return preSignedURL;
}
public string GenerateURL(string objectName)
{
AmazonS3 s3Client = Amazon.AWSClientFactory.CreateAmazonS3Client(AWSKey, AWSSecretKey);
string url = "";
try
{
using (s3Client)
{
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest();
request.WithBucketName(bucketName);
request.WithKey(prefix + objectName);
if (expires == 0)
{
request.WithExpires(DateTime.Now.AddYears(20));
}
else
{
request.WithExpires(DateTime.Now.AddDays(expires));
}
url = s3Client.GetPreSignedURL(request);
}
}
catch (AmazonS3Exception)
{
}
if (!isPrivate)
{
url = url.Substring(0, url.IndexOf("?")); //remove QS
}
if (!https)
{
url = url.Replace(@"https://", @"http://");
}
if (shorten)
{
//create is.gd url
string resp = "";
try
{
string isgd = @"http://is.gd/create.php?format=simple&url=" + System.Uri.EscapeDataString(url);
resp = new System.Net.WebClient().DownloadString(isgd);
}
catch (Exception) { }
if (resp != "")
{
url = resp;
if (appendExt)
{
if (System.IO.Path.GetExtension(objectName).ToLower() == "png")
{
url += "?" + System.IO.Path.GetExtension(objectName).ToLower();
}
else
{
url += "?" + System.IO.Path.GetFileName(objectName).ToLower();
}
}
}
}
return(url);
}
