| public GetPreSignedURL ( GetPreSignedUrlRequest request ) : string | ||
| request | GetPreSignedUrlRequest | The GetPreSignedUrlRequest that defines the /// parameters of the operation. |
| return | string | |
static void Main()
{
// Connect to Amazon S3 service with authentication
BasicAWSCredentials basicCredentials =
new BasicAWSCredentials("AKIAIIYG27E27PLQ6EWQ",
"hr9+5JrS95zA5U9C6OmNji+ZOTR+w3vIXbWr3/td");
AmazonS3Client s3Client = new AmazonS3Client(basicCredentials);
// Display all S3 buckets
ListBucketsResponse buckets = s3Client.ListBuckets();
foreach (var bucket in buckets.Buckets)
{
Console.WriteLine(bucket.BucketName);
}
// Display and download the files in the first S3 bucket
string bucketName = buckets.Buckets[0].BucketName;
Console.WriteLine("Objects in bucket '{0}':", bucketName);
ListObjectsResponse objects =
s3Client.ListObjects(new ListObjectsRequest() { BucketName = bucketName });
foreach (var s3Object in objects.S3Objects)
{
Console.WriteLine("\t{0} ({1})", s3Object.Key, s3Object.Size);
if (s3Object.Size > 0)
{
// We have a file (not a directory) --> download it
GetObjectResponse objData = s3Client.GetObject(
new GetObjectRequest() { BucketName = bucketName, Key = s3Object.Key });
string s3FileName = new FileInfo(s3Object.Key).Name;
SaveStreamToFile(objData.ResponseStream, s3FileName);
}
}
// Create a new directory and upload a file in it
string path = "uploads/new_folder_" + DateTime.Now.Ticks;
string newFileName = "example.txt";
string fullFileName = path + "/" + newFileName;
string fileContents = "This is an example file created through the Amazon S3 API.";
s3Client.PutObject(new PutObjectRequest() {
BucketName = bucketName,
Key = fullFileName,
ContentBody = fileContents}
);
Console.WriteLine("Created a file in Amazon S3: {0}", fullFileName);
// Share the uploaded file and get a download URL
string uploadedFileUrl = s3Client.GetPreSignedURL(new GetPreSignedUrlRequest()
{
BucketName = bucketName,
Key = fullFileName,
Expires = DateTime.Now.AddYears(5)
});
Console.WriteLine("File download URL: {0}", uploadedFileUrl);
System.Diagnostics.Process.Start(uploadedFileUrl);
}
public virtual string GeneratePreSignedUrl(AmazonS3Client s3Client, string bucketName, string key)
{
// Create the request
var getPreSignedUrlRequest = new GetPreSignedUrlRequest
{
BucketName = bucketName,
Key = key,
Expires = DateTime.Now.AddHours(1.0)
};
// Submit the request
return s3Client.GetPreSignedURL(getPreSignedUrlRequest);
}
static void Main(string[] args)
{
try
{
var client = new AmazonS3Client();
PutObjectResponse putResponse = client.PutObject(new PutObjectRequest
{
BucketName = BUCKET_NAME,
FilePath = TEST_FILE
});
GetObjectResponse getResponse = client.GetObject(new GetObjectRequest
{
BucketName = BUCKET_NAME,
Key = TEST_FILE
});
getResponse.WriteResponseStreamToFile(@"c:\talk\" + TEST_FILE);
var url = client.GetPreSignedURL(new GetPreSignedUrlRequest
{
BucketName = BUCKET_NAME,
Key = TEST_FILE,
Expires = DateTime.Now.AddHours(1)
});
OpenURL(url);
}
catch(Exception e)
{
Console.WriteLine(e.Message);
}
}
public static string GeneratePreSignedURL(string bucketName, string objectKey)
{
string urlString = "";
IAmazonS3 s3Client;
using (s3Client = new AmazonS3Client(Amazon.RegionEndpoint.USEast1))
{
GetPreSignedUrlRequest request1 = new GetPreSignedUrlRequest
{
BucketName = bucketName,
Key = objectKey,
Expires = DateTime.Now.AddMinutes(5)
};
try
{
urlString = s3Client.GetPreSignedURL(request1);
//string url = s3Client.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 void ObtenerRutaAdjunto()
{
string regionAws = "us-west-2";
string usuarioAws = "CondaiUser";
string accessKey = "AKIAIB7EDHV2CPLYDT4A";
string secretKey = "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";
Amazon.Util.ProfileManager.RegisterProfile(usuarioAws, accessKey, secretKey);
Amazon.RegionEndpoint region = Amazon.RegionEndpoint.GetBySystemName(regionAws);
Amazon.Runtime.AWSCredentials credentials = new Amazon.Runtime.StoredProfileAWSCredentials(usuarioAws);
Amazon.S3.IAmazonS3 s3Client = new Amazon.S3.AmazonS3Client(credentials, region);
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest()
{
BucketName = "abccondai",
Key = "Arena.jpg",
Expires = DateTime.Now.AddSeconds(60)
};
var a = s3Client.GetPreSignedURL(request);
}
public override UploadResult Upload(Stream stream, string fileName)
{
if (string.IsNullOrEmpty(s3Settings.AccessKeyID)) Errors.Add("'Access Key' must not be empty.");
if (string.IsNullOrEmpty(s3Settings.SecretAccessKey)) Errors.Add("'Secret Access Key' must not be empty.");
if (string.IsNullOrEmpty(s3Settings.Bucket)) Errors.Add("'Bucket' must not be empty.");
if (GetCurrentRegion(s3Settings) == UnknownEndpoint) Errors.Add("Please select an endpoint.");
if (IsError)
{
return null;
}
var region = GetCurrentRegion(s3Settings);
var s3ClientConfig = new AmazonS3Config();
if (region.AmazonRegion == null)
{
s3ClientConfig.ServiceURL = URLHelpers.ForcePrefix(region.Hostname);
}
else
{
s3ClientConfig.RegionEndpoint = region.AmazonRegion;
}
using (var client = new AmazonS3Client(GetCurrentCredentials(), s3ClientConfig))
{
var putRequest = new GetPreSignedUrlRequest
{
BucketName = s3Settings.Bucket,
Key = GetObjectKey(fileName),
Verb = HttpVerb.PUT,
Expires = DateTime.UtcNow.AddMinutes(5),
ContentType = Helpers.GetMimeType(fileName)
};
var requestHeaders = new NameValueCollection();
requestHeaders["x-amz-acl"] = "public-read";
requestHeaders["x-amz-storage-class"] = GetObjectStorageClass();
putRequest.Headers["x-amz-acl"] = "public-read";
putRequest.Headers["x-amz-storage-class"] = GetObjectStorageClass();
var responseHeaders = SendRequestStreamGetHeaders(client.GetPreSignedURL(putRequest), stream, Helpers.GetMimeType(fileName), requestHeaders, method: HttpMethod.PUT);
if (responseHeaders.Count == 0)
{
Errors.Add("Upload to Amazon S3 failed. Check your access credentials.");
return null;
}
var eTag = responseHeaders.Get("ETag");
if (eTag == null)
{
Errors.Add("Upload to Amazon S3 failed.");
return null;
}
if (GetMd5Hash(stream) == eTag.Replace("\"", ""))
{
return new UploadResult { IsSuccess = true, URL = GetObjectURL(putRequest.Key) };
}
Errors.Add("Upload to Amazon S3 failed, uploaded data did not match.");
return null;
}
}
public virtual string GetUrlForItem(AmazonS3Client s3Client, string key, string bucket)
{
var getPreSignedUrlRequest = new GetPreSignedUrlRequest
{
BucketName = bucket,
Key = key,
Expires = DateTime.Now + TimeSpan.FromMinutes(2)
};
return s3Client.GetPreSignedURL(getPreSignedUrlRequest); ;
}
public void PresignedURLSamples()
{
{
#region GetPreSignedURL Sample 1
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a CopyObject request
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest
{
BucketName = "SampleBucket",
Key = "Item1",
Expires = DateTime.Now.AddMinutes(5)
};
// Get path for request
string path = client.GetPreSignedURL(request);
// Test by getting contents
string contents = GetContents(path);
#endregion
}
{
#region GetPreSignedURL Sample 2
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a CopyObject request
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest
{
BucketName = "SampleBucket",
Key = "Item1",
Expires = DateTime.Now.AddMinutes(5)
};
request.ResponseHeaderOverrides.ContentType = "text/xml+zip";
request.ResponseHeaderOverrides.ContentDisposition = "attachment; filename=dispName.pdf";
request.ResponseHeaderOverrides.CacheControl = "No-cache";
request.ResponseHeaderOverrides.ContentLanguage = "mi, en";
request.ResponseHeaderOverrides.Expires = "Thu, 01 Dec 1994 16:00:00 GMT";
request.ResponseHeaderOverrides.ContentEncoding = "x-gzip";
// Get path for request
string path = client.GetPreSignedURL(request);
// Test by getting contents
string contents = GetContents(path);
#endregion
}
{
#region GetPreSignedURL Sample 3
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a CopyObject request
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest
{
BucketName = "SampleBucket",
Expires = DateTime.Now.AddMinutes(5)
};
// Get path for request
string path = client.GetPreSignedURL(request);
// Retrieve objects
string allObjects = GetContents(path);
#endregion
}
{
#region GetPreSignedURL Sample 4
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a CopyObject request
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest
{
Expires = DateTime.Now.AddMinutes(5)
};
// Get path for request
string path = client.GetPreSignedURL(request);
// Retrieve buckets
string allBuckets = GetContents(path);
#endregion
}
{
#region GetPreSignedURL Sample 5
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a CopyObject request
GetPreSignedUrlRequest request = new GetPreSignedUrlRequest
{
BucketName = "SampleBucket",
Key = "Item1",
Verb = HttpVerb.PUT,
Expires = DateTime.Now.AddDays(10)
};
// Get path for request
string path = client.GetPreSignedURL(request);
// Prepare data
byte[] data = UTF8Encoding.UTF8.GetBytes("Sample text.");
// Configure request
HttpWebRequest httpRequest = WebRequest.Create(path) as HttpWebRequest;
httpRequest.Method = "PUT";
httpRequest.ContentLength = data.Length;
// Write data to stream
Stream requestStream = httpRequest.GetRequestStream();
requestStream.Write(data, 0, data.Length);
requestStream.Close();
// Issue request
HttpWebResponse response = httpRequest.GetResponse() as HttpWebResponse;
#endregion
}
}
