/// <summary>
/// Initializes a new instance of the <see cref="Response"/> class.
/// </summary>
/// <param name="context">Context that the response will be sent through.</param>
/// <param name="request">Request that the response is for.</param>
/// <exception cref="FormatException">Version must start with 'HTTP/'</exception>
public Response(IHttpContext context, IRequest request)
{
_context = context;
HttpVersion = request.HttpVersion;
Reason = ""; // 可以在此定制
Status = HttpStatusCode.OK;
ContentType = new ContentTypeHeader("text/html");
Encoding = request.Encoding;
_headers = CreateHeaderCollection();
}
/// <summary>
/// Initializes a new instance of the <see cref="Response"/> class.
/// </summary>
/// <param name="version">HTTP Version.</param>
/// <param name="code">HTTP status code.</param>
/// <param name="reason">Why the status code was selected.</param>
/// <exception cref="FormatException">Version must start with 'HTTP/'</exception>
public Response(string version, HttpStatusCode code, string reason)
{
if (!version.StartsWith("HTTP/"))
throw new FormatException("Version must start with 'HTTP/'");
Status = code;
Reason = reason;
HttpVersion = version;
ContentType = new ContentTypeHeader("text/html");
Encoding = Encoding.UTF8;
_headers = CreateHeaderCollection();
}
/// <summary>
///
/// </summary>
/// <param name="stream">Stream containing the content</param>
/// <param name="contentType">Content type header</param>
/// <param name="encoding">Stream encoding</param>
/// <returns>Collection with all parameters.</returns>
/// <exception cref="FormatException">Body format is invalid for the specified content type.</exception>
/// <exception cref="InternalServerException">Failed to read all bytes from body stream.</exception>
public DecodedData Decode(Stream stream, ContentTypeHeader contentType, Encoding encoding)
{
if (stream == null || stream.Length == 0)
return null;
if (encoding == null)
encoding = Encoding.UTF8;
try
{
var content = new byte[stream.Length];
int bytesRead = stream.Read(content, 0, content.Length);
if (bytesRead != content.Length)
throw new InternalServerException("Failed to read all bytes from body stream.");
return new DecodedData { Parameters = ParameterParser.Parse(new BufferReader(content, encoding)) };
}
catch (ArgumentException err)
{
throw new FormatException(err.Message, err);
}
}
/// <summary>
/// Decode body stream
/// </summary>
/// <param name="stream">Stream containing the content</param>
/// <param name="contentType">Content type header</param>
/// <param name="encoding">Stream encoding</param>
/// <returns>Decoded data.</returns>
/// <exception cref="FormatException">Body format is invalid for the specified content type.</exception>
/// <exception cref="InternalServerException">Something unexpected failed.</exception>
/// <exception cref="ArgumentNullException"><c>stream</c> is <c>null</c>.</exception>
public DecodedData Decode(Stream stream, ContentTypeHeader contentType, Encoding encoding)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (contentType == null)
throw new ArgumentNullException("contentType");
if (encoding == null)
throw new ArgumentNullException("encoding");
//multipart/form-data, boundary=AaB03x
string boundry = contentType.Parameters["boundary"];
if (boundry == null)
throw new FormatException("Missing boundary in content type.");
var multipart = new HttpMultipart(stream, boundry, encoding);
var form = new DecodedData();
/*
FileStream stream1 = new FileStream("C:\\temp\\mimebody.tmp", FileMode.Create);
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
stream1.Write(bytes, 0, bytes.Length);
stream1.Flush();
stream1.Close();
*/
HttpMultipart.Element element;
while ((element = multipart.ReadNextElement()) != null)
{
if (string.IsNullOrEmpty(element.Name))
throw new FormatException("Error parsing request. Missing value name.\nElement: " + element);
if (!string.IsNullOrEmpty(element.Filename))
{
if (string.IsNullOrEmpty(element.ContentType))
throw new FormatException("Error parsing request. Value '" + element.Name +
"' lacks a content type.");
// Read the file data
var buffer = new byte[element.Length];
stream.Seek(element.Start, SeekOrigin.Begin);
stream.Read(buffer, 0, (int)element.Length);
// Generate a filename
string originalFileName = element.Filename;
string internetCache = Environment.GetFolderPath(Environment.SpecialFolder.InternetCache);
// if the internet path doesn't exist, assume mono and /var/tmp
string path = string.IsNullOrEmpty(internetCache)
? Path.Combine("var", "tmp")
: Path.Combine(internetCache.Replace("\\\\", "\\"), "tmp");
element.Filename = Path.Combine(path, Math.Abs(element.Filename.GetHashCode()) + ".tmp");
// If the file exists generate a new filename
while (File.Exists(element.Filename))
element.Filename = Path.Combine(path, Math.Abs(element.Filename.GetHashCode() + 1) + ".tmp");
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
File.WriteAllBytes(element.Filename, buffer);
var file = new HttpFile
{
Name = element.Name,
OriginalFileName = originalFileName,
ContentType = element.ContentType,
TempFileName = element.Filename
};
form.Files.Add(file);
}
else
{
var buffer = new byte[element.Length];
stream.Seek(element.Start, SeekOrigin.Begin);
stream.Read(buffer, 0, (int)element.Length);
form.Parameters.Add(HttpUtility.UrlDecode(element.Name), encoding.GetString(buffer));
}
}
return form;
}
