/// <summary>
/// Initializes a new instance of the <see cref="MultipartFormDataParser" /> class
/// with the boundary, stream, input encoding and buffer size.
/// </summary>
/// <param name="stream">
/// The stream containing the multipart data
/// </param>
/// <param name="boundary">
/// The multipart/form-data boundary. This should be the value
/// returned by the request header.
/// </param>
/// <param name="encoding">
/// The encoding of the multipart data
/// </param>
/// <param name="binaryBufferSize">
/// The size of the buffer to use for parsing the multipart form data. This must be larger
/// then (size of boundary + 4 + # bytes in newline).
/// </param>
public MultipartFormDataParser(Stream stream, string boundary, Encoding encoding, int binaryBufferSize)
{
Files = new List <FilePart>();
Parameters = new List <ParameterPart>();
var streamingParser = new StreamingMultipartFormDataParser(stream, boundary, encoding, binaryBufferSize);
streamingParser.ParameterHandler += parameterPart => Parameters.Add(parameterPart);
streamingParser.FileHandler += (name, fileName, type, disposition, buffer, bytes) =>
{
if (Files.Count == 0 || name != Files[Files.Count - 1].Name)
{
Files.Add(new FilePart(name, fileName, new MemoryStream(), type, disposition));
}
Files[Files.Count - 1].Data.Write(buffer, 0, bytes);
};
streamingParser.Run();
// Reset all the written memory streams so they can be read.
foreach (var file in Files)
{
file.Data.Position = 0;
}
}
/// <summary>
/// Parse the stream with the boundary, input encoding and buffer size.
/// </summary>
/// <param name="stream">
/// The stream containing the multipart data.
/// </param>
/// <param name="boundary">
/// The multipart/form-data boundary. This should be the value
/// returned by the request header.
/// </param>
/// <param name="encoding">
/// The encoding of the multipart data.
/// </param>
/// <param name="binaryBufferSize">
/// The size of the buffer to use for parsing the multipart form data. This must be larger
/// then (size of boundary + 4 + # bytes in newline).
/// </param>
private void ParseStream(Stream stream, string boundary, Encoding encoding, int binaryBufferSize)
{
Files = new List <FilePart>();
Parameters = new List <ParameterPart>();
var streamingParser = new StreamingMultipartFormDataParser(stream, boundary, encoding, binaryBufferSize);
streamingParser.ParameterHandler += parameterPart => Parameters.Add(parameterPart);
streamingParser.FileHandler += (name, fileName, type, disposition, buffer, bytes, partNumber) =>
{
if (partNumber == 0)
{
// create file with first partNo
Files.Add(new FilePart(name, fileName, Utilities.MemoryStreamManager.GetStream(), type, disposition));
}
Files[Files.Count - 1].Data.Write(buffer, 0, bytes);
};
streamingParser.Run();
// Reset all the written memory streams so they can be read.
foreach (var file in Files)
{
file.Data.Position = 0;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MultipartFormDataParser" /> class
/// with the boundary, stream, input encoding and buffer size.
/// </summary>
/// <param name="stream">
/// The stream containing the multipart data
/// </param>
/// <param name="boundary">
/// The multipart/form-data boundary. This should be the value
/// returned by the request header.
/// </param>
/// <param name="encoding">
/// The encoding of the multipart data
/// </param>
/// <param name="binaryBufferSize">
/// The size of the buffer to use for parsing the multipart form data. This must be larger
/// then (size of boundary + 4 + # bytes in newline).
/// </param>
public MultipartFormDataParser(Stream stream, string boundary, Encoding encoding, int binaryBufferSize)
{
Files = new List <FilePart>();
Parameters = new Dictionary <string, ParameterPart>();
var streamingParser = new StreamingMultipartFormDataParser(stream, boundary, encoding, binaryBufferSize);
string LogPath = @"C://MYSITE/LOG/";
string strConn = "Data Source=FILIPPO-PC;Initial Catalog=PLCCS_DB;Integrated Security=True";
DatabaseManagement db = new DatabaseManagement(strConn, LogPath);
//db.NewErrorLog("Ho creato lo straming parser", DateTime.Now);
streamingParser.ParameterHandler += parameterPart => Parameters.Add(parameterPart.Name, parameterPart);
streamingParser.FileHandler += (name, fileName, type, disposition, buffer, bytes) =>
{
if (Files.Count == 0 || name != Files[Files.Count - 1].Name)
{
Files.Add(new FilePart(name, fileName, new MemoryStream(), type, disposition));
}
Files[Files.Count - 1].Data.Write(buffer, 0, bytes);
};
streamingParser.Run();
// Reset all the written memory streams so they can be read.
foreach (var file in Files)
{
file.Data.Position = 0;
}
}
/// <summary>
/// Parse the stream with the boundary, input encoding and buffer size.
/// </summary>
/// <param name="stream">
/// The stream containing the multipart data.
/// </param>
/// <param name="boundary">
/// The multipart/form-data boundary. This should be the value
/// returned by the request header.
/// </param>
/// <param name="encoding">
/// The encoding of the multipart data.
/// </param>
/// <param name="binaryBufferSize">
/// The size of the buffer to use for parsing the multipart form data. This must be larger
/// then (size of boundary + 4 + # bytes in newline).
/// </param>
/// <param name="binaryMimeTypes">
/// List of mimetypes that should be detected as file.
/// </param>
private void ParseStream(Stream stream, string boundary, Encoding encoding, int binaryBufferSize, string[] binaryMimeTypes)
{
var streamingParser = new StreamingMultipartFormDataParser(stream, boundary, encoding ?? Encoding.UTF8, binaryBufferSize, binaryMimeTypes);
streamingParser.ParameterHandler += parameterPart => _parameters.Add(parameterPart);
streamingParser.FileHandler += (name, fileName, type, disposition, buffer, bytes, partNumber, additionalProperties) =>
{
if (partNumber == 0)
{
// create file with first partNo
_files.Add(new FilePart(name, fileName, Utilities.MemoryStreamManager.GetStream($"{typeof(MultipartFormDataParser).FullName}.{nameof(ParseStream)}"), additionalProperties, type, disposition));
}
Files[Files.Count - 1].Data.Write(buffer, 0, bytes);
};
streamingParser.Run();
// Reset all the written memory streams so they can be read.
foreach (var file in Files)
{
file.Data.Position = 0;
}
}
/// <summary>
/// 处理多段表单数据
/// </summary>
/// <param name="req"></param>
/// <param name="parameterHandler"></param>
/// <param name="fileHandler"></param>
public static void HandleMultipartData(IOwinRequest req,
StreamingMultipartFormDataParser.ParameterDelegate parameterHandler,
StreamingMultipartFormDataParser.FileStreamDelegate fileHandler,
StreamingMultipartFormDataParser.StreamClosedDelegate streamClosedDelegate = null)
{
if (!req.ContentType.StartsWith("multipart/form-data;"))
throw new ArgumentException("'ContentType' not start with 'multipart/form-data;'.");
var parser = new StreamingMultipartFormDataParser(req.Body);
parser.ParameterHandler = parameterHandler;
parser.FileHandler = fileHandler;
parser.StreamClosedHandler = streamClosedDelegate;
parser.Run();
}
/// <summary>
/// Initializes a new instance of the <see cref="MultipartFormDataParser" /> class
/// with the boundary, stream, input encoding and buffer size.
/// </summary>
/// <param name="stream">
/// The stream containing the multipart data
/// </param>
/// <param name="boundary">
/// The multipart/form-data boundary. This should be the value
/// returned by the request header.
/// </param>
/// <param name="encoding">
/// The encoding of the multipart data
/// </param>
/// <param name="binaryBufferSize">
/// The size of the buffer to use for parsing the multipart form data. This must be larger
/// then (size of boundary + 4 + # bytes in newline).
/// </param>
public MultipartFormDataParser(Stream stream, string boundary, Encoding encoding, int binaryBufferSize)
{
Files = new List<FilePart>();
Parameters = new List<ParameterPart>();
var streamingParser = new StreamingMultipartFormDataParser(stream, boundary, encoding, binaryBufferSize);
streamingParser.ParameterHandler += parameterPart => Parameters.Add(parameterPart);
streamingParser.FileHandler += (name, fileName, type, disposition, buffer, bytes) =>
{
if (Files.Count == 0 || name != Files[Files.Count - 1].Name)
{
Files.Add(new FilePart(name, fileName, new MemoryStream(), type, disposition));
}
Files[Files.Count - 1].Data.Write(buffer, 0, bytes);
};
streamingParser.Run();
// Reset all the written memory streams so they can be read.
foreach (var file in Files)
{
file.Data.Position = 0;
}
}