private WebRequest CreateRequest(string uri, RequestOperation op)
{
var request = WebRequest.Create(uri);
request.Method = op.Method.ToString().ToUpper();
request.Timeout = Timeout;
request.PreAuthenticate = true;
if (_proxySet)
{
request.Proxy = _proxy;
}
var httpRequest = request as HttpWebRequest;
if (httpRequest != null)
{
httpRequest.AllowAutoRedirect = false;
httpRequest.ReadWriteTimeout = Timeout;
httpRequest.KeepAlive = false;
httpRequest.ProtocolVersion = HttpVersion.Version10;
if (Accept != null)
{
httpRequest.Accept = string.Join(",", Array.ConvertAll(Accept, type => MediaTypeNames.GetMediaType(type)));
}
if (Cookies != null)
{
httpRequest.CookieContainer = Cookies;
}
if (!string.IsNullOrEmpty(UserAgent))
{
httpRequest.UserAgent = UserAgent;
}
}
if (Credentials != null)
{
request.Credentials = Credentials;
}
else if (!string.IsNullOrEmpty(UserName) || !string.IsNullOrEmpty(Password))
{
var uriPrefix = new Uri(uri);
var cred = new NetworkCredential(UserName, Password);
request.Credentials = new CredentialCache
{
{ uriPrefix, "Basic", cred },
{ uriPrefix, "Digest", cred },
{ uriPrefix, "NTLM", cred },
{ uriPrefix, "Kerberos", cred },
{ uriPrefix, "Negotiate", cred }
};
}
else
{
request.Credentials = CredentialCache.DefaultCredentials;
}
if (!string.IsNullOrEmpty(op.ETag))
{
var header = op.Method == HttpMethod.Get
? HttpRequestHeader.IfNoneMatch
: HttpRequestHeader.IfMatch;
request.Headers[header] = op.ETag;
}
var isMultipart = op.Form.Count > 0 || op.Files.Count > 0;
if (op.Resource != null || isMultipart)
{
using (var stream = request.GetRequestStream())
{
var requestStream = isMultipart ? new MemoryStream() : stream;
MediaType?mediaType;
if (op.Resource is ISyndicationResource)
{
mediaType = op.Resource is AtomFeed ? MediaType.Atom : MediaType.AtomEntry;
((ISyndicationResource)op.Resource).Save(requestStream);
}
else if (op.Resource is IXmlSerializable)
{
mediaType = MediaType.Xml;
using (var xmlWriter = XmlWriter.Create(requestStream))
{
((IXmlSerializable)op.Resource).WriteXml(xmlWriter);
}
}
else if (op.Resource is string)
{
mediaType = MediaType.Text;
using (var writer = new StreamWriter(requestStream))
{
writer.Write((string)op.Resource);
}
}
else
{
mediaType = null;
}
if (op.ContentType != null)
{
mediaType = op.ContentType.Value;
}
if (isMultipart)
{
requestStream.Seek(0, SeekOrigin.Begin);
using (var multipart = new MimeMessage())
{
if (mediaType != null)
{
var part = new MimePart(requestStream)
{
ContentType = MediaTypeNames.GetMediaType(mediaType.Value)
};
multipart.Add(part);
}
foreach (var data in op.Form)
{
var part = new MimePart(new MemoryStream(Encoding.UTF8.GetBytes(data.Value)))
{
ContentType = MediaTypeNames.TextMediaType,
ContentTransferEncoding = "binary",
ContentDisposition = new ContentDisposition(DispositionTypeNames.Inline)
{
Parameters = { { "name", data.Key } }
}
};
multipart.Add(part);
}
foreach (var file in op.Files)
{
var contentDisposition = new ContentDisposition(DispositionTypeNames.Attachment);
if (file.FileName != null)
{
if (file.FileName == Encoding.ASCII.GetString(Encoding.ASCII.GetBytes(file.FileName)))
{
contentDisposition.FileName = file.FileName;
}
else
{
contentDisposition.Parameters["filename*"] = string.Format("{0}''{1}", Encoding.UTF8.WebName, HttpUtility.UrlEncode(file.FileName));
}
}
var part = new MimePart(file.Stream)
{
ContentType = !string.IsNullOrEmpty(file.ContentType) ? file.ContentType : "application/octet-stream",
ContentTransferEncoding = "binary",
ContentDisposition = contentDisposition
};
multipart.Add(part);
}
multipart.WriteTo(stream);
request.ContentType = new ContentType("multipart/" + (op.Files.Count > 0 ? "related" : "form-data"))
{
Boundary = multipart.Boundary
}.ToString();
}
}
else if (mediaType != null)
{
request.ContentType = MediaTypeNames.GetMediaType(mediaType.Value);
}
}
}
return(request);
}
private WebRequest CreateRequest(string uri, RequestOperation op)
{
var request = WebRequest.Create(uri);
request.Method = op.Method.ToString().ToUpper();
request.Timeout = Timeout;
request.PreAuthenticate = true;
if (_proxySet)
{
request.Proxy = _proxy;
}
var httpRequest = request as HttpWebRequest;
if (httpRequest != null)
{
httpRequest.AllowAutoRedirect = false;
httpRequest.ReadWriteTimeout = Timeout;
httpRequest.KeepAlive = false;
httpRequest.ProtocolVersion = HttpVersion.Version10;
if (Accept != null)
{
httpRequest.Accept = string.Join(",", Array.ConvertAll(Accept, type => MediaTypeNames.GetMediaType(type)));
}
if (Cookies != null)
{
httpRequest.CookieContainer = Cookies;
}
if (!string.IsNullOrEmpty(UserAgent))
{
httpRequest.UserAgent = UserAgent;
}
}
if (Credentials != null)
{
request.Credentials = Credentials;
}
else if (!string.IsNullOrEmpty(UserName) || !string.IsNullOrEmpty(Password))
{
var uriPrefix = new Uri(uri);
var cred = new NetworkCredential(UserName, Password);
request.Credentials = new CredentialCache
{
{uriPrefix, "Basic", cred},
{uriPrefix, "Digest", cred},
{uriPrefix, "NTLM", cred},
{uriPrefix, "Kerberos", cred},
{uriPrefix, "Negotiate", cred}
};
}
else
{
request.Credentials = CredentialCache.DefaultCredentials;
}
if (!string.IsNullOrEmpty(op.ETag))
{
var header = op.Method == HttpMethod.Get
? HttpRequestHeader.IfNoneMatch
: HttpRequestHeader.IfMatch;
request.Headers[header] = op.ETag;
}
if (op.Resource != null)
{
using (var stream = request.GetRequestStream())
{
var requestStream = op.Files.Count > 0 ? new MemoryStream() : stream;
MediaType mediaType;
if (op.Resource is ISyndicationResource)
{
mediaType = op.Resource is AtomFeed ? MediaType.Atom : MediaType.AtomEntry;
((ISyndicationResource) op.Resource).Save(requestStream);
}
else if (op.Resource is IXmlSerializable)
{
mediaType = MediaType.Xml;
using (var xmlWriter = XmlWriter.Create(requestStream))
{
((IXmlSerializable) op.Resource).WriteXml(xmlWriter);
}
}
else if (op.Resource is string)
{
mediaType = MediaType.Text;
using (var writer = new StreamWriter(requestStream))
{
writer.Write((string) op.Resource);
}
}
else
{
throw new Exception();
}
if (op.ContentType != null)
{
mediaType = op.ContentType.Value;
}
var contentType = MediaTypeNames.GetMediaType(mediaType);
if (op.Files.Count > 0)
{
requestStream.Seek(0, SeekOrigin.Begin);
var part = new MimePart(requestStream) {ContentType = contentType};
using (var multipart = new MimeMessage(part))
{
contentType = new ContentType("multipart/related") {Boundary = multipart.Boundary}.ToString();
foreach (var file in op.Files)
{
var type = !string.IsNullOrEmpty(file.ContentType) ? file.ContentType : "application/octet-stream";
var disposition = new ContentDisposition(DispositionTypeNames.Attachment) {FileName = file.FileName};
part = new MimePart(file.Stream)
{
ContentType = type,
ContentTransferEncoding = "binary",
ContentDisposition = disposition
};
multipart.Add(part);
}
multipart.WriteTo(stream);
}
}
request.ContentType = contentType;
}
}
return request;
}
private void WriteRequestContent(MediaType?contentType, object content, Stream stream)
{
var isMultipart = Form.Count > 0 || Files.Count > 0;
var requestStream = isMultipart ? new MemoryStream() : stream;
if (contentType == null)
{
if (ContentHelper.IsDictionary(content))
{
contentType = MediaType.AtomEntry;
}
else if (ContentHelper.IsCollection(content))
{
contentType = MediaType.Atom;
}
else if (content is IXmlSerializable)
{
contentType = MediaType.Xml;
}
else if (content is string)
{
contentType = MediaType.Text;
}
else if (ContentHelper.IsObject(content))
{
contentType = MediaType.AtomEntry;
}
}
if (contentType != null && content != null)
{
var handler = ContentManager.GetHandler(contentType.Value);
if (handler == null)
{
throw new NotSupportedException(string.Format("Content type '{0}' not supported", contentType));
}
handler.WriteTo(content, requestStream, NamingScheme);
}
if (isMultipart)
{
requestStream.Seek(0, SeekOrigin.Begin);
using (var multipart = new MimeMessage())
{
if (contentType != null)
{
var part = new MimePart(requestStream)
{
ContentType = MediaTypeNames.GetMediaType(contentType.Value)
};
multipart.Add(part);
}
foreach (var data in Form)
{
var part = new MimePart(new MemoryStream(Encoding.UTF8.GetBytes(data.Value)))
{
ContentType = MediaTypeNames.TextMediaType,
ContentTransferEncoding = "binary",
ContentDisposition = "inline; name=" + data.Key
};
multipart.Add(part);
}
foreach (var file in Files)
{
var contentDisposition = "attachment";
if (file.FileName != null)
{
contentDisposition += Encoding.UTF8.GetByteCount(file.FileName) == file.FileName.Length
? "; filename=" + string.Format("\"{0}\"", file.FileName.Replace("\"", "\\\""))
: "; filename*=" + string.Format("{0}''{1}", Encoding.UTF8.WebName, System.Uri.EscapeDataString(file.FileName));
}
var part = new MimePart(file.Stream)
{
ContentType = file.ContentType ?? "application/octet-stream",
ContentTransferEncoding = "binary",
ContentDisposition = contentDisposition
};
multipart.Add(part);
}
multipart.WriteTo(stream);
_request.ContentType = string.Format("multipart/{0}; boundary={1}", (Files.Count > 0 ? "related" : "form-data"), multipart.Boundary);
}
}
else if (contentType != null)
{
_request.ContentType = MediaTypeNames.GetMediaType(contentType.Value);
}
}
