public static bool Read(int skin, IFileEntry file,
ref Dictionary<String, String> animations, Logger logger)
{
bool result = true;
logger.Event("Parsing animation list: " + file.FileName );
try
{
// Get the data from the archive
MemoryStream myInput = new MemoryStream( file.GetContent() );
StreamReader reader = new StreamReader(myInput);
ParseAnimations(skin, reader, ref animations);
reader.Close();
myInput.Close();
}
catch
{
logger.Error("Failed to parse animation list: " + file.FileName);
result = false;
animations.Clear();
}
return result;
}
public static bool Read(IFileEntry file, ref InibinFile data, Logger logger)
{
bool result = true;
logger.Event("Reading inibin: " + file.FileName);
try
{
// Get the data from the archive
MemoryStream myInput = new MemoryStream( file.GetContent() );
result = ReadCharacterInibin(myInput, ref data, logger);
int end = file.FileName.LastIndexOf("/");
String directory = file.FileName.Substring(0, end);
String archive = file.GetRootPath();
archive = archive.Replace("\\", "/");
end = archive.LastIndexOf("/");
archive = archive.Substring(0, end);
data.directory = new DirectoryInfo(archive + "/" + directory);
myInput.Close();
}
catch(Exception e)
{
logger.Error("Unable to open memory stream: " + file.FileName);
logger.Error(e.Message);
result = false;
}
return result;
}
public FileMatch(IFileEntry sourceFile, IFileEntry destinationFile)
{
if (sourceFile == null)
{
throw new ArgumentNullException("sourceFile");
}
if (destinationFile == null)
{
throw new ArgumentNullException("destinationFile");
}
this.SourceFile = sourceFile;
this.DestinationFile = destinationFile;
}
/// <summary>
/// Read in binary .anm file from RAF.
/// </summary>
/// <param name="file">The file.</param>
/// <param name="data">The contents of the file are stored in here.</param>
/// <returns></returns>
public static bool Read(IFileEntry file, ref ANMFile data, Logger logger)
{
bool result = true;
logger.Event("Reading anm: " + file.FileName);
try
{
// Get the data from the archive
MemoryStream myInput = new MemoryStream( file.GetContent() );
result = ReadBinary(myInput, ref data, logger);
myInput.Close();
}
catch(Exception e)
{
logger.Error("Unable to open memory stream: " + file.FileName);
logger.Error(e.Message);
result = false;
}
return result;
}
/// <summary>
/// Initialize<br/>
/// 初始化<br/>
/// </summary>
/// <param name="fileEntry">File entry</param>
public FileEntryResult(IFileEntry fileEntry) :
this(fileEntry, null, Pair.Create <long?, long?>(null, null))
{
}
public Task ArchiveAsync(IFileEntry fileEntry, CancellationToken cancellationToken = default)
{
return(Task.CompletedTask);
}
public Task CreateAsync(IFileEntry fileEntry, Stream stream, CancellationToken cancellationToken = default)
{
fileEntry.FileLocation = "Fake.txt";
return(Task.CompletedTask);
}
public FileEndedEventArgs(IFileEntry file, bool success)
{
File = file;
Success = success;
}
/// <inheritdoc/> public abstract void MoveEntry(IFileEntry entry, string newPath);
public IFileSystemFile GetFileSystemFile(IFileEntry fileEntry)
{
return new FileSystemFile(fileEntry);
}
/// <inheritdoc/>
public Task UpdateFileWrittenAsync(IFileEntry fileEntry, long position, byte[] data)
{
return(Written.InvokeAsync(new(fileEntry, position, data) ));
}
/// <summary>
/// 获取局部文件流列表
/// </summary>
/// <param name="filenames"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="totalLength"></param>
/// <param name="actualLength"></param>
/// <param name="actualStart"></param>
/// <param name="actualEnd"></param>
/// <returns></returns>
public static IEnumerable <IFileEntry> GetEntries(IEnumerable <string> filenames, long start, long end, out long totalLength, out long actualLength, out long actualStart, out long actualEnd, out bool outOfRange)
{
outOfRange = false;
if (filenames != null && filenames.Any())
{
actualStart = start;
actualEnd = end;
IEnumerable <IFileEntry> entries = GetEntries(filenames, out totalLength);
if (entries.Any())
{
if (start >= totalLength - 1)
{
actualStart = 0;
}
if (end < 0)
{
actualEnd = totalLength - 1;
}
actualLength = actualEnd - actualStart + 1;
if (end >= totalLength || start >= totalLength || (end >= 0 && start > end))
{
outOfRange = true;
return(entries.ToArray());
}
long slot = 0, slot0 = 0;
int skip = 0;
int take = 0;
foreach (IFileEntry file in entries)
{
slot += file.Length;
if (start >= slot) // skip掉它！
{
skip++;
slot0 = slot;
}
else if (end < 0) // 全部读取，则直接中断循环即可
{
take = entries.Count() - skip;
break;
}
else if (end <= slot) // take它！为什么用<=而不是<？ 答：如果end=slot，则表示取序号0的1个字节，所以这个entry还是应该take
{
take++;
}
else
{
break;
}
}
entries = entries.Skip(skip).Take(take).ToArray();
IFileEntry firstFile = entries.First();
firstFile.StartPosition = start - slot0;
if (end >= 0)
{
IFileEntry lastFile = entries.Last();
lastFile.EndPosition = lastFile.Length + end - slot;
}
return(entries);
}
}
totalLength = actualLength = actualStart = 0;
actualEnd = -1;
return(new IFileEntry[0]);
}
/// <summary>
/// Write byte array to file
/// </summary>
/// <param name="entry">File entry</param>
/// <param name="bytes">Byte array</param>
public static void WriteAllBytes(this IFileEntry entry, byte[] bytes)
{
using (var stream = entry.OpenWrite()) {
stream.Write(bytes, 0, bytes.Length);
}
}
/// <summary>
/// Initialize<br/>
/// 初始化<br/>
/// </summary>
/// <param name="fileEntry">File entry</param>
/// <param name="bytesRange">Range request in bytes</param>
public FileEntryResult(IFileEntry fileEntry, Pair <long?, long?> bytesRange) :
this(fileEntry, null, bytesRange)
{
}
/// <summary>
/// Initialize<br/>
/// 初始化<br/>
/// </summary>
/// <param name="fileEntry">File entry</param>
/// <param name="ifModifiedSince">Cached modify time received from client</param>
public FileEntryResult(IFileEntry fileEntry, DateTime?ifModifiedSince) :
this(fileEntry, ifModifiedSince, Pair.Create <long?, long?>(null, null))
{
}
/// <summary>
/// A default <see cref="FileEndedEventArgs"/> constructor.
/// </summary>
/// <param name="file">File that is ended.</param>
/// <param name="success">Result of file end upload.</param>
/// <param name="fileInvalidReason">Reason for file failure.</param>
public FileEndedEventArgs(IFileEntry file, bool success, FileInvalidReason fileInvalidReason)
{
File = file;
Success = success;
FileInvalidReason = fileInvalidReason;
}
public RemoteFileEntryStream(IJSFileModule jsModule, ElementReference elementRef, IFileEntry fileEntry, IFileEntryNotifier fileEntryNotifier, int maxMessageSize, TimeSpan segmentFetchTimeout, CancellationToken cancellationToken)
{
this.jsModule = jsModule;
this.elementRef = elementRef;
this.fileEntry = fileEntry;
this.fileEntryNotifier = fileEntryNotifier;
this.maxMessageSize = maxMessageSize;
this.segmentFetchTimeout = segmentFetchTimeout;
fillBufferCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
var pipe = new Pipe(new(pauseWriterThreshold: this.maxMessageSize, resumeWriterThreshold: this.maxMessageSize) );
pipeReader = pipe.Reader;
_ = FillBuffer(pipe.Writer, fillBufferCts.Token);
}
/// <inheritdoc/>
public virtual Task MoveEntryAsync(IFileEntry entry, string newPath)
{
MoveEntry(entry, newPath);
return(Task.CompletedTask);
}
public FileWrittenEventArgs(IFileEntry file, long position, byte[] data)
{
File = file;
Position = position;
Data = data;
}
public async Task DeleteAsync(IFileEntry fileEntry, CancellationToken cancellationToken = default)
{
await _client.DeleteObjectAsync(_bucketName, fileEntry.FileLocation, cancellationToken);
}
public FileProgressedEventArgs(IFileEntry file, double progress)
{
File = file;
Progress = progress;
}
public Task <byte[]> ReadAsync(IFileEntry fileEntry, CancellationToken cancellationToken = default)
{
return(Task.FromResult(Encoding.UTF8.GetBytes("The content is generated by Fake Storage Manager.")));
}
public FileStartedEventArgs(IFileEntry file)
{
File = file;
}
public void CopyFile(IFileEntry source, IFileEntry destination)
{
File.Copy(source.FilePath, destination.FilePath, true);
}
internal Task UpdateFileEndedAsync(IFileEntry fileEntry, bool success)
{
return(Ended.InvokeAsync(new FileEndedEventArgs(fileEntry, success)));
}
public FileSystemFile(IFileEntry fileEntry)
{
this.fileEntry = fileEntry;
}
internal Task UpdateFileWrittenAsync(IFileEntry fileEntry, long position, byte[] data)
{
return(Written.InvokeAsync(new FileWrittenEventArgs(fileEntry, position, data)));
}
public FileInstance(IFileEntry entry, ReadOnlyFileSystem fileSystem)
{
FileEntry = entry;
FileSystem = fileSystem;
}
protected void Page_Load(object sender, EventArgs e)
{
/*
* 需求
* 1、支持存储扩展：磁盘文件系统..........................DONE
* 2、支持存储扩展：MongoDB GridFS........................DONE
* 3、支持GFS存储
* 4、支持FTP存储
* 5、支持下载断点续传....................................DONE
* 6、支持文件压缩
* 7、支持文件合并........................................DONE
* 8、支持css/js压缩 .....................................DONE
* 9、支持客户端缓存（强验证 弱验证）.....................DONE
*/
Response.ClearHeaders();
string filename = Request["f"];
if (!string.IsNullOrEmpty(filename))
{
string mimeType;
IEnumerable <string> filenames = FileHelper.ParseFilenames(filename, out mimeType);
Response.ContentType = mimeType;
long start = 0, end = 0, length, totalLength;
DateTime lastModified;
string range =
Request.Headers["Range"],
ifrangeETag = Request.Headers["If-Range"],
ifnmETag = Request.Headers["If-None-Match"],
eTag = FileHelper.GetETag(filenames, out lastModified, true);
Response.Cache.SetMaxAge(TimeSpan.FromMinutes(1));
// If-None-Matched的处理（304的处理）
if (string.IsNullOrEmpty(range) && !string.IsNullOrEmpty(ifnmETag) && ifnmETag == eTag) // 在不存在Range的前提下，如果存在etag，并且匹配，则返回304（除非有range）
{
End304(eTag);
return;
}
if (!string.IsNullOrEmpty(range))
{
Response.AddHeader("Accept-Ranges", "bytes");
ParseRange(range, out start, out end);
//eTag = FileHelper.GetETag(lastModified, start, end);
// If-Range的处理
if (!string.IsNullOrEmpty(ifrangeETag) && ifrangeETag != eTag) // 在range存在的前提下，如果有if-range，并且客户端文件已经失效，则返回整个服务器端文件（设置起始均为0，重新设置etag）
{
start = 0;
end = -1;
//Response.StatusCode = 200;
}
else
{
Response.StatusCode = 206; // HTTP 206: partial content(局部内容)
}
}
// 输出文件内容
IEnumerable <IFileEntry> entries;
if (Response.StatusCode == 206)
{
bool outOfRange;
entries = FileHelper.GetEntries(filenames, start, end, out totalLength, out length, out start, out end, out outOfRange);
if (outOfRange && ifrangeETag != null)
{
Response.StatusCode = 200;
}
else
{
Response.AddHeader("Content-Range", string.Format(end >= totalLength - 1 ? "bytes {0}-/{2}" : "bytes {0}-{1}/{2}", start, end, totalLength));
if (outOfRange)
{
EndResponse(416);
return;
}
}
}
else
{
entries = FileHelper.GetEntries(filenames, out length);
}
if (!entries.Any())
{
EndResponse(404);
return;
}
if (Response.StatusCode == 200)
{
if (Request.QueryString["min"] != null)
{
entries = new IFileEntry[] { new MiniFileEntry {
Entries = entries
} };
length = entries.First().Length;
}
Response.Cache.SetLastModified(lastModified);
}
Response.AddHeader("Content-Length", length.ToString());
Response.AddHeader("ETag", eTag);
FileHelper.OutputTo(entries, Response.OutputStream);
Response.End();
}
else
{
EndResponse(403);
}
}
