本文整理汇总了C#中Amazon.S3.AmazonS3Client.GetObjectMetadata方法的典型用法代码示例。如果您正苦于以下问题：C# AmazonS3Client.GetObjectMetadata方法的具体用法？C# AmazonS3Client.GetObjectMetadata怎么用？C# AmazonS3Client.GetObjectMetadata使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Amazon.S3.AmazonS3Client的用法示例。
在下文中一共展示了AmazonS3Client.GetObjectMetadata方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: InstanceExists
public bool InstanceExists(Guid instanceKey)
{
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
using (var res = client.GetObjectMetadata(new GetObjectMetadataRequest()
{
BucketName = Context.BucketName,
Key = string.Format("{0}/{1}/{2}", STR_INSTANCES_CONTAINER_PATH, instanceKey.ToString("N"), STR_INFO_FILE_NAME),
})) { return true; }
}
}
catch (AmazonS3Exception awsEx)
{
if (awsEx.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return false;
}
else
{
throw new DeploymentException(string.Format("Failed getting instance with key \"{0}\"", instanceKey), awsEx);
}
}
}示例2: UploadToCdn
private void UploadToCdn()
{
try
{
// one thread only
if (Interlocked.CompareExchange(ref work, 1, 0) == 0)
{
var @continue = false;
try
{
CdnItem item;
if (queue.TryDequeue(out item))
{
@continue = true;
var cdnpath = GetCdnPath(item.Bundle.Path);
var key = new Uri(cdnpath).PathAndQuery.TrimStart('/');
var etag = AmazonS3Util.GenerateChecksumForContent(item.Response.Content, false).ToLowerInvariant();
var config = new AmazonS3Config
{
ServiceURL = "s3.amazonaws.com",
CommunicationProtocol = Protocol.HTTP
};
using (var s3 = new AmazonS3Client(s3publickey, s3privatekey, config))
{
var upload = false;
try
{
var request = new GetObjectMetadataRequest
{
BucketName = s3bucket,
Key = key,
};
using (var response = s3.GetObjectMetadata(request))
{
upload = !string.Equals(etag, response.ETag.Trim('"'), StringComparison.InvariantCultureIgnoreCase);
}
}
catch (AmazonS3Exception ex)
{
if (ex.StatusCode == HttpStatusCode.NotFound)
{
upload = true;
}
else
{
throw;
}
}
if (upload)
{
var request = new PutObjectRequest
{
BucketName = s3bucket,
CannedACL = S3CannedACL.PublicRead,
Key = key,
ContentType = AmazonS3Util.MimeTypeFromExtension(Path.GetExtension(key).ToLowerInvariant()),
};
if (ClientSettings.GZipEnabled)
{
var compressed = new MemoryStream();
using (var compression = new GZipStream(compressed, CompressionMode.Compress, true))
{
new MemoryStream(Encoding.UTF8.GetBytes(item.Response.Content)).CopyTo(compression);
}
request.InputStream = compressed;
request.AddHeader("Content-Encoding", "gzip");
}
else
{
request.ContentBody = item.Response.Content;
}
var cache = TimeSpan.FromDays(365);
request.AddHeader("Cache-Control", string.Format("public, maxage={0}", (int)cache.TotalSeconds));
request.AddHeader("Expires", DateTime.UtcNow.Add(cache).ToString("R"));
request.AddHeader("Etag", etag);
request.AddHeader("Last-Modified", DateTime.UtcNow.ToString("R"));
using (s3.PutObject(request)) { }
}
item.Bundle.CdnPath = cdnpath;
}
}
}
catch (Exception err)
{
log.Error(err);
}
finally
{
work = 0;
if (@continue)
{
Action upload = () => UploadToCdn();
upload.BeginInvoke(null, null);
//.........这里部分代码省略.........
示例3: UpdateIndex
public void UpdateIndex(string path, EntityIndex index)
{
var serialised = SerialiseIndex(index.Entries);
var stream = new MemoryStream(serialised.Length);
var writer = new StreamWriter(stream);
writer.Write(serialised);
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
// Check that the index has not been updated before pushing the change - reduce the risks.
try
{
using (var objectMetaDataResponse = client.GetObjectMetadata(new GetObjectMetadataRequest()
{
BucketName = Context.BucketName,
Key = path,
ETagToMatch = index.ETag
}))
{
}
}
catch (AmazonS3Exception awsEx)
{
if (awsEx.StatusCode != System.Net.HttpStatusCode.NotFound)
throw;
}
using (var putResponse = client.PutObject(new PutObjectRequest()
{
BucketName = Context.BucketName,
Key = path,
GenerateMD5Digest = true,
InputStream = stream
})) { }
}
}
catch (AmazonS3Exception awsEx)
{
throw new DeploymentException("Failed loading group index", awsEx);
}
}示例4: DeployPush
public void DeployPush(string appName, string s3Location, string sourcePath)
{
var s3 = new S3LocationParser(s3Location);
using (var s3Client = new Amazon.S3.AmazonS3Client(Credentials, Amazon.RegionEndpoint.USEast1))
{
var getRequest = new Amazon.S3.Model.GetObjectMetadataRequest
{
BucketName = s3.BucketName,
Key = s3.Key
};
try
{
var getResponse = s3Client.GetObjectMetadata(getRequest);
// If we got this far, the file already exists in the S3 bucket, so get out!
throw new S3KeyAlreadyExistsException(s3);
}
catch (AmazonS3Exception ex)
{
// If we got this far, then it's because the S3 file doesn't exist.
// Therefore, it's OK to upload with this key.
var zipFileName = s3.FileName;
var g = Guid.NewGuid().ToString();
var outputFile = Path.Combine(Path.GetTempPath(), g + ".tmp");
ZipFile.CreateFromDirectory(sourcePath, outputFile);
var zipFile = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), zipFileName);
if (File.Exists(zipFile))
File.Delete(zipFile);
File.Move(outputFile, zipFile);
var putRequest = new Amazon.S3.Model.PutObjectRequest
{
BucketName = s3.BucketName,
FilePath = zipFile,
Key = s3.Key
};
var putResponse = s3Client.PutObject(putRequest);
using (var cdClient = new Amazon.CodeDeploy.AmazonCodeDeployClient(Credentials, Amazon.RegionEndpoint.USEast1))
{
var revLocation = new Amazon.CodeDeploy.Model.RevisionLocation
{
RevisionType = Amazon.CodeDeploy.RevisionLocationType.S3,
S3Location = new Amazon.CodeDeploy.Model.S3Location
{
Bucket = s3.BucketName,
BundleType = Amazon.CodeDeploy.BundleType.Zip,
Key = s3.Key
}
};
var regRequest = new Amazon.CodeDeploy.Model.RegisterApplicationRevisionRequest
{
ApplicationName = appName,
Revision = revLocation
};
var regResponse = cdClient.RegisterApplicationRevision(regRequest);
var x = 0;
}
}
}
}示例5: putObject
public static String putObject(HttpPostedFileBase file, String name)
{
//Create a unique file name with help of the user name that is unique too
String filename = name + file.FileName;
String url = server + bucket + "/" + filename;
using (IAmazonS3 client = new AmazonS3Client(Amazon.RegionEndpoint.EUCentral1))
{
//Check if file exists
var s3FileInfo = new Amazon.S3.IO.S3FileInfo(client, bucket, filename);
if (s3FileInfo.Exists)
{
GetObjectMetadataRequest request = new GetObjectMetadataRequest();
request.BucketName = bucket;
request.Key = filename;
GetObjectMetadataResponse response = client.GetObjectMetadata(request);
//Get tag from Amazon file
String S3Tag = response.ETag.Replace("/", "").Replace("\"", "");
using (var md5 = MD5.Create())
{
using (var stream = file.InputStream)
{
//Get tag from local file
stream.Position = 0;
String fileTag = BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", "").ToLower();
//Compare both tags, if they match there´s no need to upload the image
if (fileTag == S3Tag) return url;
return null;
}
}
}
else
{
int size = file.ContentLength;
//Upload image to amazon s3
PutObjectRequest request = new PutObjectRequest();
request.CannedACL = S3CannedACL.PublicRead;
request.BucketName = bucket;
request.ContentType = file.ContentType;
request.Key = filename;
request.InputStream = file.InputStream;
client.PutObject(request);
//Update traffic after upload
PictogramsDb.UpdateTraffic(name, size);
}
}
return url;
}示例6: ObjectSamples
public void ObjectSamples()
{
{
#region ListObjects Sample
// Create a client
AmazonS3Client client = new AmazonS3Client();
// List all objects
ListObjectsRequest listRequest = new ListObjectsRequest
{
BucketName = "SampleBucket",
};
ListObjectsResponse listResponse;
do
{
// Get a list of objects
listResponse = client.ListObjects(listRequest);
foreach (S3Object obj in listResponse.S3Objects)
{
Console.WriteLine("Object - " + obj.Key);
Console.WriteLine(" Size - " + obj.Size);
Console.WriteLine(" LastModified - " + obj.LastModified);
Console.WriteLine(" Storage class - " + obj.StorageClass);
}
// Set the marker property
listRequest.Marker = listResponse.NextMarker;
} while (listResponse.IsTruncated);
#endregion
}
{
#region GetObject Sample
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a GetObject request
GetObjectRequest request = new GetObjectRequest
{
BucketName = "SampleBucket",
Key = "Item1"
};
// Issue request and remember to dispose of the response
using (GetObjectResponse response = client.GetObject(request))
{
using (StreamReader reader = new StreamReader(response.ResponseStream))
{
string contents = reader.ReadToEnd();
Console.WriteLine("Object - " + response.Key);
Console.WriteLine(" Version Id - " + response.VersionId);
Console.WriteLine(" Contents - " + contents);
}
}
#endregion
}
{
#region GetObjectMetadata Sample
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a GetObjectMetadata request
GetObjectMetadataRequest request = new GetObjectMetadataRequest
{
BucketName = "SampleBucket",
Key = "Item1"
};
// Issue request and view the response
GetObjectMetadataResponse response = client.GetObjectMetadata(request);
Console.WriteLine("Content Length - " + response.ContentLength);
Console.WriteLine("Content Type - " + response.Headers.ContentType);
if (response.Expiration != null)
{
Console.WriteLine("Expiration Date - " + response.Expiration.ExpiryDate);
Console.WriteLine("Expiration Rule Id - " + response.Expiration.RuleId);
}
#endregion
}
{
#region PutObject Sample 1
// Create a client
AmazonS3Client client = new AmazonS3Client();
// Create a PutObject request
PutObjectRequest request = new PutObjectRequest
{
BucketName = "SampleBucket",
Key = "Item1",
//.........这里部分代码省略.........
示例7: TargetAppVersionChanged
public VersionCheckResult TargetAppVersionChanged(Guid targetKey, Guid appKey, Guid localVersionKey)
{
try
{
string localETag;
using (var localKeyStream = Utils.Serialisation.Serialise(localVersionKey))
{
localETag = Utils.Validation.GenerateETag(localKeyStream);
}
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
using (var res = client.GetObjectMetadata(new GetObjectMetadataRequest()
{
BucketName = Context.BucketName,
Key = GetTargetAppVersionInfoPath(targetKey, appKey),
}))
{
if (res.ETag == localETag)
return VersionCheckResult.NotChanged;
else
return VersionCheckResult.Changed;
}
}
}
catch (AmazonS3Exception awsEx)
{
if (awsEx.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return VersionCheckResult.NotSet;
}
else
{
throw new DeploymentException(string.Format("Failed checking for version updates for app with key \"{0}\" and target with the key \"{1}\".", appKey, targetKey), awsEx);
}
}
}示例8: UploadToCdn
private void UploadToCdn()
{
try
{
// one thread only
if (Interlocked.CompareExchange(ref work, 1, 0) == 0)
{
var @continue = false;
try
{
CdnItem item;
if (queue.TryDequeue(out item))
{
@continue = true;
var cdnpath = GetCdnPath(item.Bundle.Path);
var key = new Uri(cdnpath).PathAndQuery.TrimStart('/');
var contentMD5 = Hasher.Base64Hash(item.Response.Content, HashAlg.MD5);
var compressed = new MemoryStream();
if (ClientSettings.GZipEnabled)
{
using (var compression = new GZipStream(compressed, CompressionMode.Compress, true))
{
new MemoryStream(Encoding.UTF8.GetBytes(item.Response.Content)).CopyTo(compression);
}
contentMD5 = Hasher.Base64Hash(compressed.GetCorrectBuffer(), HashAlg.MD5);
}
var config = new AmazonS3Config
{
RegionEndpoint = RegionEndpoint.GetBySystemName(s3region),
UseHttp = true
};
using (var s3 = new AmazonS3Client(s3publickey, s3privatekey, config))
{
var upload = false;
try
{
var request = new GetObjectMetadataRequest
{
BucketName = s3bucket,
Key = key
};
var response = s3.GetObjectMetadata(request);
upload = !string.Equals(contentMD5, response.Metadata["x-amz-meta-etag"], StringComparison.InvariantCultureIgnoreCase);
}
catch (AmazonS3Exception ex)
{
if (ex.StatusCode == HttpStatusCode.NotFound)
{
upload = true;
}
else
{
throw;
}
}
if (upload)
{
var request = new PutObjectRequest
{
BucketName = s3bucket,
CannedACL = S3CannedACL.PublicRead,
Key = key,
ContentType = AmazonS3Util.MimeTypeFromExtension(Path.GetExtension(key).ToLowerInvariant())
};
if (ClientSettings.GZipEnabled)
{
request.InputStream = compressed;
request.Headers.ContentEncoding = "gzip";
}
else
{
request.ContentBody = item.Response.Content;
}
var cache = TimeSpan.FromDays(365);
request.Headers.CacheControl = string.Format("public, maxage={0}", (int) cache.TotalSeconds);
request.Headers.Expires = DateTime.UtcNow.Add(cache);
request.Headers.ContentMD5 = contentMD5;
request.Headers["x-amz-meta-etag"] = contentMD5;
//request.AddHeader("Last-Modified", DateTime.UtcNow.ToString("R"));
s3.PutObject(request);
}
item.Bundle.CdnPath = cdnpath;
}
}
}
catch (Exception err)
{
log.Error(err);
}
finally
{
work = 0;
//.........这里部分代码省略.........
示例9: ScanProfile
//.........这里部分代码省略.........
AmazonS3Client BS3Client = new AmazonS3Client(credential, S3C);
var createddate = abucket.CreationDate;
string owner = "";
string grants = "";
string tags = "";
string lastaccess = "";
string defaultpage = "";
string website = "";
//Now start pulling der einen data.
GetACLRequest GACR = new GetACLRequest();
GACR.BucketName = name;
var ACL = BS3Client.GetACL(GACR);
var grantlist = ACL.AccessControlList;
owner = grantlist.Owner.DisplayName;
foreach (var agrant in grantlist.Grants)
{
if (grants.Length > 1) grants += "\n";
var gName = agrant.Grantee.DisplayName;
var gType = agrant.Grantee.Type.Value;
var aMail = agrant.Grantee.EmailAddress;
if (gType.Equals("Group"))
{
grants += gType + " - " + agrant.Grantee.URI + " - " + agrant.Permission + " - " + aMail ;
}
else
{
grants += gName + " - "+ agrant.Permission + " - " + aMail;
}
}
GetObjectMetadataRequest request = new GetObjectMetadataRequest();
request.BucketName = name;
GetObjectMetadataResponse MDresponse = BS3Client.GetObjectMetadata(request);
lastaccess = MDresponse.LastModified.ToString();
//defaultpage = MDresponse.WebsiteRedirectLocation;
GetBucketWebsiteRequest GBWReq = new GetBucketWebsiteRequest();
GBWReq.BucketName = name;
GetBucketWebsiteResponse GBWRes = BS3Client.GetBucketWebsite(GBWReq);
defaultpage = GBWRes.WebsiteConfiguration.IndexDocumentSuffix;
if (defaultpage != null)
{
website = @"http://" + name + @".s3-website-" + region + @".amazonaws.com/" + defaultpage;
}
//Amazon.S3.Model.req
abucketrow["AccountID"] = accountid;
abucketrow["Profile"] = aprofile;
abucketrow["Bucket"] = name;
abucketrow["Region"] = region;
abucketrow["CreationDate"] = createddate.ToString();
abucketrow["LastAccess"] = lastaccess;
abucketrow["Owner"] = owner;
abucketrow["Grants"] = grants;
abucketrow["WebsiteHosting"] = website;
abucketrow["Logging"] = "X";
abucketrow["Events"] = "X";
abucketrow["Versioning"] = "X";
abucketrow["LifeCycle"] = "X";示例10: VersionExists
internal bool VersionExists(Guid key)
{
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
using (var res = client.GetObjectMetadata(new GetObjectMetadataRequest()
{
BucketName = Context.BucketName,
Key = string.Format("{0}/{1}/{2}", STR_VERSIONS_CONTAINER_PATH, key.ToString("N"), STR_INFO_FILE_NAME),
})) { return true; }
}
}
catch (AmazonS3Exception awsEx)
{
if (awsEx.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return false;
}
else
{
throw new DeploymentException(string.Format("Failed checking if version with key \"{0}\" exists.", key), awsEx);
}
}
catch (Exception ex)
{
throw new DeploymentException(string.Format("Failed checking if version with key \"{0}\" exists.", key), ex);
}
}