public async Task <MultipartReader> GetMultipartReader(HttpRequest request)
{
FormOptions _defaultFormOptions = new FormOptions();
var boundary = await Task.Run(() => MultipartRequest.GetBoundary(MediaTypeHeaderValue.Parse(request.ContentType), _defaultFormOptions.MultipartBoundaryLengthLimit));
var reader = new MultipartReader(boundary, request.Body);
return(reader);
}
public async Task <string> ValidateImportRequestData(HttpRequest request)
{
FormOptions _defaultFormOptions = new FormOptions();
var accumulator = new KeyValueAccumulator();
string filePath = Path.GetTempFileName();
var boundary = MultipartRequest.GetBoundary(MediaTypeHeaderValue.Parse(request.ContentType), _defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
var hasContentDispositionHeader = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out ContentDispositionHeaderValue contentDisposition);
if (hasContentDispositionHeader)
{
if (MultipartRequest.HasFileContentDisposition(contentDisposition))
{
using (var targetStream = File.Create(filePath))
{
await section.Body.CopyToAsync(targetStream);
}
}
else if (MultipartRequest.HasFormDataContentDisposition(contentDisposition))
{
var key = HeaderUtilities.RemoveQuotes(contentDisposition.Name).ToString();
var encoding = GetEncoding(section);
using (var streamReader = new StreamReader(
section.Body,
encoding,
detectEncodingFromByteOrderMarks: true,
bufferSize: 1024,
leaveOpen: true))
{
var value = await streamReader.ReadToEndAsync();
if (String.Equals(value, "undefined", StringComparison.OrdinalIgnoreCase))
{
value = String.Empty;
}
accumulator.Append(key, value);
if (accumulator.ValueCount > _defaultFormOptions.ValueCountLimit)
{
throw new InvalidDataException($"For key count limit {_defaultFormOptions.ValueCountLimit} exceeded");
}
}
}
}
section = await reader.ReadNextSectionAsync();
}
return(filePath);
}
public bool IsMultipartContent(HttpRequest request)
{
try
{
if (!MultipartRequest.IsMultipartContentType(request.ContentType))
{
return(false);
}
else
{
return(true);
}
}
catch (Exception)
{
throw;
}
}
public async Task <bool> IsMultipartContent(HttpRequest request)
{
try
{
var isMultipart = await Task.Run(() => MultipartRequest.IsMultipartContentType(request.ContentType));
if (!isMultipart)
{
return(false);
}
else
{
return(true);
}
}
catch (Exception)
{
throw;
}
}
public PicasaPicture UploadPicture(string title, string description, string mime_type, Stream input)
{
if (title == null)
{
throw new ArgumentNullException("title");
}
if (input == null)
{
throw new ArgumentNullException("input");
}
if (!input.CanRead)
{
throw new ArgumentException("Cannot read from stream", "input");
}
string url = GDataApi.GetURLForUpload(conn.User, id);
if (url == null)
{
throw new UnauthorizedAccessException("You are not authorized to upload to this album.");
}
MultipartRequest request = new MultipartRequest(conn, url);
MemoryStream ms = null;
if (UploadProgress != null)
{
// We do 'manual' buffering
request.Request.AllowWriteStreamBuffering = false;
ms = new MemoryStream();
request.OutputStream = ms;
}
request.BeginPart(true);
request.AddHeader("Content-Type: application/atom+xml; \r\n", true);
string upload = GetXmlForUpload(title, description);
request.WriteContent(upload);
request.EndPart(false);
request.BeginPart();
request.AddHeader("Content-Type: " + mime_type + "\r\n", true);
byte [] data = new byte [8192];
int nread;
while ((nread = input.Read(data, 0, data.Length)) > 0)
{
request.WritePartialContent(data, 0, nread);
}
request.EndPartialContent();
request.EndPart(true); // It won't call Close() on the MemoryStream
if (UploadProgress != null)
{
int req_length = (int)ms.Length;
request.Request.ContentLength = req_length;
DoUploadProgress(title, 0, req_length);
using (Stream req_stream = request.Request.GetRequestStream()) {
byte [] buffer = ms.GetBuffer();
int nwrite = 0;
int offset;
for (offset = 0; offset < req_length; offset += nwrite)
{
nwrite = System.Math.Min(16384, req_length - offset);
req_stream.Write(buffer, offset, nwrite);
// The progress uses the actual request size, not file size.
DoUploadProgress(title, offset, req_length);
}
DoUploadProgress(title, offset, req_length);
}
}
string received = request.GetResponseAsString();
XmlDocument doc = new XmlDocument();
doc.LoadXml(received);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
XmlUtil.AddDefaultNamespaces(nsmgr);
XmlNode entry = doc.SelectSingleNode("atom:entry", nsmgr);
return(new PicasaPicture(conn, this, entry, nsmgr));
}
public async Task <bool> SendMailAsync(MailMessage message, IMailServerSettings settings)
{
var mgSettings = settings as MailgunMailServerSettings;
if (string.IsNullOrEmpty(mgSettings.Domain))
{
return(false);
}
var request = new MultipartRequest();
if (message.Subject != null)
{
request.AddField("subject", message.Subject);
}
if (message.From != null)
{
request.AddField("from", ComposeEmailDisplayAndAddress(message.From.DisplayName, message.From.Address));
}
if (message.To != null && message.To.Count > 0)
{
foreach (var to in message.To)
{
request.AddField("to", ComposeEmailDisplayAndAddress(to.DisplayName, to.Address));
}
}
if (message.CC != null)
{
foreach (var to in message.CC)
{
request.AddField("cc", ComposeEmailDisplayAndAddress(to.DisplayName, to.Address));
}
}
if (message.Bcc != null)
{
foreach (var to in message.Bcc)
{
request.AddField("bcc", ComposeEmailDisplayAndAddress(to.DisplayName, to.Address));
}
}
if (message.ReplyToList != null && message.ReplyToList.Count > 0)
{
request.AddField("h:Reply-To",
string.Join(",",
message.ReplyToList.Select(x => ComposeEmailDisplayAndAddress(x.DisplayName, x.Address))));
}
foreach (var key in message.Headers.AllKeys)
{
if (key.StartsWith("h:") || key.StartsWith("o:") || key.StartsWith("v:"))
{
var values = message.Headers.GetValues(key);
foreach (var value in values)
{
request.AddField(key, value);
}
}
else if (key.StartsWith("Mailgun:")) // Any mailgun header to pass. "Mailgun:" will be stripped from the key.
{
var values = message.Headers.GetValues(key);
var keyPart = key.Remove(0, 8);
foreach (var value in values)
{
request.AddField(keyPart, value);
}
}
else if (key == "X-Mailgun-Tag") // Compatibility with SMTP api
{
var values = message.Headers.GetValues(key);
foreach (var value in values)
{
request.AddField("o:tag", value);
}
}
}
var hasHtmlBody = false;
var hasTextBody = false;
if (!string.IsNullOrWhiteSpace(message.Body))
{
request.AddField(message.IsBodyHtml ? "html" : "text", message.Body);
if (message.IsBodyHtml)
{
hasHtmlBody = true;
}
else
{
hasTextBody = true;
}
}
if (!hasHtmlBody)
{
var content = message.AlternateViews.FirstOrDefault(x => x.ContentType.MediaType == "text/html");
if (content != null)
{
request.AddField("html", content);
}
}
if (!hasTextBody)
{
var content = message.AlternateViews.FirstOrDefault(x => x.ContentType.MediaType == "text/plain");
if (content != null)
{
request.AddField("text", content);
}
}
if (message.Attachments != null)
{
foreach (var attachment in message.Attachments)
{
var fileStream = attachment.ContentStream as FileStream;
if (fileStream == null)
{
continue;
}
if (attachment.ContentDisposition.Inline)
{
request.AddFile(
"inline",
fileStream.Name,
attachment.ContentId,
attachment.ContentType.MediaType);
}
else
{
request.AddFile(
"attachment",
fileStream.Name,
attachment.Name,
attachment.ContentType.MediaType);
}
}
}
var url = string.Format("https://api.mailgun.net/v3/{0}/messages", mgSettings.Domain);
var webRequest = (HttpWebRequest)WebRequest.Create(url);
webRequest.Method = "POST";
webRequest.ContentType = request.ContentTypeHeader;
webRequest.Timeout = mgSettings.ConnectionTimeout;
webRequest.Headers.Add("Authorization", "basic " + Convert.ToBase64String(Encoding.ASCII.GetBytes($"api:{mgSettings.ApiKey}")));
using (var stream = await webRequest.GetRequestStreamAsync())
{
await request.SendAsync(stream);
}
try
{
using (var response = (HttpWebResponse)(await webRequest.GetResponseAsync()))
{
if (response == null || response.StatusCode != HttpStatusCode.OK)
{
throw new WebException(
string.Format("Status {0} returned from MailGun API",
response == null ? 0 : (Int32)response.StatusCode));
}
if (!response.ContentType.StartsWith("application/json"))
{
throw new WebException(
string.Format("Invalid response returned from MailGun API",
response == null ? 0 : (Int32)response.StatusCode));
}
}
}
catch (WebException ex)
{
HttpWebResponse response = null;
if (ex.Response != null)
{
response = (HttpWebResponse)ex.Response;
}
// Figure out more data about the error
string responseData = "";
try
{
responseData = new StreamReader(response.GetResponseStream()).ReadToEnd();
}
catch
{
// Rethrow default
throw ex;
}
// Rethrow
throw new WebException(ex.Message + ": " + responseData, ex, ex.Status, ex.Response);
}
return(true); // Consumed it
}
public object Any(MultipartRequest request) => request;
public PicasaPicture UploadPicture(string title, string description, string mime_type, Stream input)
{
if (title == null)
throw new ArgumentNullException ("title");
if (input == null)
throw new ArgumentNullException ("input");
if (!input.CanRead)
throw new ArgumentException ("Cannot read from stream", "input");
string url = GDataApi.GetURLForUpload (conn.User, id);
if (url == null)
throw new UnauthorizedAccessException ("You are not authorized to upload to this album.");
MultipartRequest request = new MultipartRequest (conn, url);
FileStream fs = null;
try {
if (UploadProgress != null) {
// We do 'manual' buffering
request.Request.AllowWriteStreamBuffering = false;
fs = new FileStream (Path.GetTempFileName (), FileMode.OpenOrCreate, FileAccess.Read | FileAccess.Write,
FileShare.None);
request.OutputStream = fs;
}
request.BeginPart (true);
request.AddHeader ("Content-Type: application/atom+xml; \r\n", true);
string upload = GetXmlForUpload (title, description);
request.WriteContent (upload);
request.EndPart (false);
request.BeginPart ();
request.AddHeader ("Content-Type: " + mime_type + "\r\n", true);
byte [] data = new byte [8192];
int nread;
while ((nread = input.Read (data, 0, data.Length)) > 0) {
request.WritePartialContent (data, 0, nread);
}
request.EndPartialContent ();
request.EndPart (true); // It won't call Close() on the MemoryStream
if (UploadProgress != null) {
int req_length = (int) fs.Length;
request.Request.ContentLength = req_length;
fs.Position = 0;
DoUploadProgress (title, 0, req_length);
using (Stream req_stream = request.Request.GetRequestStream ()) {
while ((nread = fs.Read (data, 0, data.Length)) > 0) {
req_stream.Write (data, 0, nread);
// The progress uses the actual request size, not file size.
DoUploadProgress (title, fs.Position, req_length);
}
DoUploadProgress (title, fs.Position, req_length);
}
}
} finally {
if (fs != null) {
string name = fs.Name;
fs.Close ();
File.Delete (name);
}
}
string received = request.GetResponseAsString ();
XmlDocument doc = new XmlDocument ();
doc.LoadXml (received);
XmlNamespaceManager nsmgr = new XmlNamespaceManager (doc.NameTable);
XmlUtil.AddDefaultNamespaces (nsmgr);
XmlNode entry = doc.SelectSingleNode ("atom:entry", nsmgr);
return new PicasaPicture (conn, this, entry, nsmgr);
}
public PicasaPicture UploadPicture(string title, string description, string mime_type, Stream input)
{
if (title == null)
throw new ArgumentNullException ("title");
if (input == null)
throw new ArgumentNullException ("input");
if (!input.CanRead)
throw new ArgumentException ("Cannot read from stream", "input");
string url = GDataApi.GetURLForUpload (conn.User, id);
if (url == null)
throw new UnauthorizedAccessException ("You are not authorized to upload to this album.");
MultipartRequest request = new MultipartRequest (conn, url);
MemoryStream ms = null;
if (UploadProgress != null) {
// We do 'manual' buffering
request.Request.AllowWriteStreamBuffering = false;
ms = new MemoryStream ();
request.OutputStream = ms;
}
request.BeginPart (true);
request.AddHeader ("Content-Type: application/atom+xml; \r\n", true);
string upload = GetXmlForUpload (title, description);
request.WriteContent (upload);
request.EndPart (false);
request.BeginPart ();
request.AddHeader ("Content-Type: " + mime_type + "\r\n", true);
byte [] data = new byte [8192];
int nread;
while ((nread = input.Read (data, 0, data.Length)) > 0) {
request.WritePartialContent (data, 0, nread);
}
request.EndPartialContent ();
request.EndPart (true); // It won't call Close() on the MemoryStream
if (UploadProgress != null) {
int req_length = (int) ms.Length;
request.Request.ContentLength = req_length;
DoUploadProgress (title, 0, req_length);
using (Stream req_stream = request.Request.GetRequestStream ()) {
byte [] buffer = ms.GetBuffer ();
int nwrite = 0;
int offset;
for (offset = 0; offset < req_length; offset += nwrite) {
nwrite = System.Math.Min (16384, req_length - offset);
req_stream.Write (buffer, offset, nwrite);
// The progress uses the actual request size, not file size.
DoUploadProgress (title, offset, req_length);
}
DoUploadProgress (title, offset, req_length);
}
}
string received = request.GetResponseAsString ();
XmlDocument doc = new XmlDocument ();
doc.LoadXml (received);
XmlNamespaceManager nsmgr = new XmlNamespaceManager (doc.NameTable);
XmlUtil.AddDefaultNamespaces (nsmgr);
XmlNode entry = doc.SelectSingleNode ("atom:entry", nsmgr);
return new PicasaPicture (conn, this, entry, nsmgr);
}
