/// <summary>Deletes files and optionally directories in given path.</summary>
/// <param name="path">Path to delete.</param>
/// <param name="directories">Indicates, whether directories should be also deleted.</param>
private void DeleteInternal(string path, bool directories)
{
path = PathHelper.GetValidPath(path);
var keyVersions = this.Provider
.GetObjectsList(path, directories ? ObjectTypeEnum.FilesAndDirectories : ObjectTypeEnum.Files, true, true, false)
.ConvertAll(p => new KeyVersion()
{
Key = PathHelper.GetObjectKeyFromPath(p, true)
})
.Batch(S3ObjectInfoProvider.MAX_OBJECTS_PER_REQUEST);
foreach (IEnumerable <KeyVersion> source in keyVersions)
{
DeleteObjectsRequest request = new DeleteObjectsRequest()
{
BucketName = AccountInfo.Current.BucketName
};
request.Objects = source.ToList();
try
{
AccountInfo.Current.S3Client.DeleteObjects(request);
}
catch (DeleteObjectsException)
{
throw new Exception($"Some of the directory '{path}' underlying objects weren't deleted correctly");
}
}
this.Provider.DeleteObject(S3ObjectFactory.GetInfo(CMS.IO.Path.EnsureEndBackslash(path)));
}
/// <summary>
/// Initializes new instance of S3 object info with specified bucket name.
/// </summary>
/// <param name="path">Path with file name.</param>
/// <param name="key">Specifies that given path is already object key.</param>
public S3ObjectInfo(string path, bool key)
{
this.Key = key ? path : PathHelper.GetObjectKeyFromPath(path);
if (path == null || !path.EndsWith("\\", StringComparison.Ordinal) || this.Key.EndsWith("/", StringComparison.Ordinal))
{
return;
}
this.Key += "/";
}
/// <summary>
/// Determines whether the given path refers to an existing directory on Amazon S3 storage.
/// </summary>
/// <param name="path">Path to test.</param>
public static bool ExistsInS3Storage(string path)
{
path = PathHelper.GetValidPath(path);
string objectKeyFromPath = PathHelper.GetObjectKeyFromPath(path);
if (!string.IsNullOrEmpty(objectKeyFromPath))
{
return(S3ObjectFactory.Provider.ObjectExists(S3ObjectFactory.GetInfo($"{objectKeyFromPath}/", true)));
}
return(true);
}
/// <summary>Loads metadata from special file from S3 storage.</summary>
/// <param name="path">Path.</param>
private Dictionary <string, string> LoadMetadata(string path)
{
string path1 = $"{path}{METADATA_EXT}";
var dictionary = new Dictionary <string, string>();
var s3ObjectInfo = new S3ObjectInfo(path1);
GetObjectRequest request = new GetObjectRequest
{
BucketName = this.BucketName,
Key = $"{METADATA_FOLDER}{PathHelper.GetObjectKeyFromPath(path1)}"
};
if (path1.StartsWith(Directory.CurrentDirectory, StringComparison.Ordinal))
{
path1 = path1.Substring(Directory.CurrentDirectory.Length);
}
string str1 = Path.Combine(PathHelper.TempPath, $"{METADATA_FOLDER}{path1}");
try
{
using (GetObjectResponse getObjectResponse = this.S3Client.GetObject(request))
{
getObjectResponse.WriteResponseStreamToFile(str1);
}
}
catch (AmazonS3Exception ex)
{
if (ex.StatusCode == HttpStatusCode.NotFound)
{
return(dictionary);
}
}
string str2 = System.IO.File.ReadAllText(str1);
char[] separator = new char[1] {
'#'
};
int num = 1;
foreach (string str3 in str2.Split(separator, (StringSplitOptions)num))
{
char[] chArray = new char[1] {
';'
};
string[] strArray = str3.Split(chArray);
dictionary.Add(strArray[0], strArray[1]);
}
return(dictionary);
}
/// <summary>
/// Returns URL to file. If can be accessed directly then direct URL is generated else URL with GetFile page is generated.
/// </summary>
/// <param name="path">Virtual path starting with ~ or absolute path.</param>
/// <param name="siteName">Site name.</param>
public override string GetFileUrl(string path, string siteName)
{
if (!this.ExistsInS3Storage(path))
{
return(null);
}
string objectKeyFromPath = PathHelper.GetObjectKeyFromPath(path);
if (AmazonHelper.PublicAccess)
{
return($"{AmazonHelper.EndPoint}/{objectKeyFromPath}".ToLowerCSafe());
}
string downloadPath = AmazonHelper.GetDownloadPath(objectKeyFromPath);
return(this.ResolveUrl(downloadPath));
}
/// <summary>Saves metadata to special file into S3 storage.</summary>
/// <param name="path">Path.</param>
/// <param name="metadata">Metadata.</param>
private void SaveMetadata(string path, Dictionary <string, string> metadata)
{
string path1 = $"{path}{METADATA_EXT}";
var sb = new StringBuilder();
foreach (var keyValuePair in metadata)
{
sb.Append($"{keyValuePair.Key};{keyValuePair.Value}#");
}
this.S3Client.PutObject(new PutObjectRequest()
{
BucketName = this.BucketName,
ContentBody = sb.ToString(),
Key = $"{METADATA_FOLDER}{PathHelper.GetObjectKeyFromPath(path1)}"
});
}
/// <summary>Prepares files for import. Converts them to lower case.</summary>
/// <param name="path">Path.</param>
public override void PrepareFilesForImport(string path)
{
path = PathHelper.GetValidPath(path);
foreach (string objects in this.Provider.GetObjectsList(path, ObjectTypeEnum.FilesAndDirectories, true, false, true))
{
IS3ObjectInfo info1 = S3ObjectFactory.GetInfo(PathHelper.GetObjectKeyFromPath(objects, false), true);
string lowerInvariant = info1.Key.ToLowerInvariant();
if (lowerInvariant != info1.Key)
{
IS3ObjectInfo info2 = S3ObjectFactory.GetInfo(info1.Key, true);
IS3ObjectInfo info3 = S3ObjectFactory.GetInfo(lowerInvariant, true);
this.Provider.CopyObjects(info2, info3);
this.Provider.DeleteObject(info2);
}
}
}
/// <summary>
/// Returns list with objects from given bucket and under given path.
/// </summary>
/// <param name="path">Path.</param>
/// <param name="type">Specifies which objects are returned (files, directories, both).</param>
/// <param name="useFlatListing">Whether flat listing is used (all files from all subdirectories all in the result).</param>
/// <param name="lower">Specifies whether path should be lowered inside method.</param>
/// <param name="useCache">Indicates if results should be primary taken from cache to get better performance</param>
/// <remarks>
/// In order to allow to distinguish between files and directories, directories are listed with a trailing backslash.
/// </remarks>
public List <string> GetObjectsList(string path, ObjectTypeEnum type, bool useFlatListing = false, bool lower = true, bool useCache = true)
{
string bucketName = GetBucketName(path);
if (string.IsNullOrEmpty(bucketName))
{
return(null);
}
var request = new ListObjectsRequest
{
BucketName = bucketName
};
if (!string.IsNullOrEmpty(path))
{
request.Prefix = PathHelper.GetObjectKeyFromPath(path).TrimEnd('/') + "/";
}
if (!useFlatListing)
{
request.Delimiter = "/";
}
var source1 = new HashSet <string>();
string key = $"{request.Prefix }|{type.ToString("F")}|{useFlatListing}|{lower}";
if (useCache && AbstractStockHelper <RequestStockHelper> .Contains(STORAGE_KEY, key, false))
{
CMS.IO.Directory.LogDirectoryOperation(path, "GetObjectListFromCache", "Custom Amazon");
var source2 = AbstractStockHelper <RequestStockHelper> .GetItem(STORAGE_KEY, key, false) as HashSet <string>;
if (source2 == null)
{
return(new List <string>());
}
return(source2.ToList());
}
ListObjectsResponse listObjectsResponse;
do
{
listObjectsResponse = this.S3Client.ListObjects(request);
if (type == ObjectTypeEnum.Directories && !useFlatListing)
{
foreach (string commonPrefix in listObjectsResponse.CommonPrefixes)
{
source1.Add($"{path}\\{CMS.IO.Path.GetFileName(commonPrefix.TrimEnd('/'))}\\");
}
}
else
{
bool isDirectory = type == ObjectTypeEnum.FilesAndDirectories || type == ObjectTypeEnum.Directories;
bool isFile = type == ObjectTypeEnum.FilesAndDirectories || type == ObjectTypeEnum.Files;
foreach (S3Object s3Object in listObjectsResponse.S3Objects)
{
bool directory = s3Object.Key.EndsWith("/", StringComparison.Ordinal);
if (directory && isDirectory || !directory && isFile)
{
source1.Add(PathHelper.GetPathFromObjectKey(s3Object.Key, true, directory, lower));
}
}
}
if (listObjectsResponse.IsTruncated)
{
request.Marker = listObjectsResponse.NextMarker;
}
}while (listObjectsResponse.IsTruncated);
source1.Remove(PathHelper.GetPathFromObjectKey(request.Prefix, true, true, lower));
CMS.IO.Directory.LogDirectoryOperation(path, "ListObjects", "Custom Amazon");
AbstractStockHelper <RequestStockHelper> .AddToStorage(STORAGE_KEY, key, (object)source1, false);
return(source1.ToList());
}
