/// <summary>
/// Validates that the webrequest meets minimum requirements. This will be called when WebRequest method is called.
/// </summary>
public void Validate()
{
if (string.IsNullOrWhiteSpace(Url))
{
throw new Exception("Url is empty");
}
if (!Uri.IsWellFormedUriString(Url, UriKind.RelativeOrAbsolute))
{
throw new Exception("Url is not well formed");
}
if (RawBody?.Length > 1048576)
{
throw new Exception("RawBody cannot be larger than 10mb");
}
if (Headers?.ContainsKey("Content-Type") == true)
{
throw new Exception($"Please use {nameof(ContentType)} property rather than adding Content-Type as a seperate.");
}
}
private async Task <IEnumerable <KeyValuePair <string, string> > > HandleSearch(Headers sparams, User user, string deviceId)
{
var searchCriteria = new SearchCriteria(sparams.GetValueOrDefault("SearchCriteria", ""));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
// sort example: dc:title, dc:date
int?requested = 0;
int?start = 0;
int requestedVal;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
{
requested = requestedVal;
}
int startVal;
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
{
start = startVal;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
foreach (var att in _profile.XmlRootAttributes)
{
didl.SetAttribute(att.Name, att.Value);
}
result.AppendChild(didl);
var folder = (Folder)GetItemFromObjectId(sparams["ContainerID"], user);
var childrenResult = (await GetChildrenSorted(folder, user, searchCriteria, sortCriteria, start, requested).ConfigureAwait(false));
var totalCount = childrenResult.TotalRecordCount;
var provided = childrenResult.Items.Length;
foreach (var i in childrenResult.Items)
{
if (i.IsFolder)
{
var f = (Folder)i;
var childCount = (await GetChildrenSorted(f, user, searchCriteria, sortCriteria, null, 0).ConfigureAwait(false))
.TotalRecordCount;
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, f, childCount, filter));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, i, deviceId, filter));
}
}
var resXML = result.OuterXml;
return(new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("Result", resXML),
new KeyValuePair <string, string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair <string, string>("TotalMatches", totalCount.ToString(_usCulture)),
new KeyValuePair <string, string>("UpdateID", _systemUpdateId.ToString(_usCulture))
});
}
public Response GetResponse(int port = 80, int maxredirect = 10)
{
string content = Method.ToString() + " " + Uri.PathAndQuery + " HTTP/1.1\n";
List <string> headers = new List <string>();
if (!Headers.ContainsKey("User-Agent"))
{
Headers.Add("User-Agent", UserAgent);
}
else
{
Headers.Remove("User-Agent");
Headers.Add("User-Agent", UserAgent);
}
foreach (var p in Headers)
{
headers.Add(p.Key + ":" + p.Value + '\n');
}
for (int i = 0; i < Cookies.Count; i++)
{
headers.Add("Cookie:" + Cookies[i] + '\n');
}
if (referal != null)
{
headers.Add("Referer:" + referal + '\n');
}
headers.Sort(StringComparer.Create(System.Threading.Thread.CurrentThread.CurrentCulture, true));
content += "Host:" + Uri.DnsSafeHost + '\n';
for (int i = 0; i < headers.Count; i++)
{
content += headers[i];
}
if (((POSTContent ?? "") != "") && (Method == HttpRequestMethod.POST))
{
content += "Content-Length:" + POSTContent.Length + '\n';
content += '\n' + POSTContent ?? "";
}
else
{
content += "\n\n";
}
System.Net.Sockets.TcpClient client;
client = new System.Net.Sockets.TcpClient();
client.Connect(Uri.DnsSafeHost, port);
var buf = Encoding.Default.GetBytes(content);
client.GetStream().Write(buf, 0, buf.Length);
var stream = client.GetStream();
List <byte> response = new List <byte>();
string respHeader = "";
int b = 0;
bool endHeader = false;
while ((b = stream.ReadByte()) != -1)
{
if (b == '\n')
{
if ((response.Count == 0) || ((response.Count == 1) && (response[0] == 13)))
{
if (!endHeader)
{
endHeader = true;
response.Clear();
continue;
}
}
response.Add((byte)b);
if (!endHeader)
{
respHeader += Encoding.Default.GetString(response.ToArray());
response.Clear();
}
}
else
{
response.Add((byte)b);
}
}
if (headers.Contains("Connection"))
{
if (Headers["Connection"] == "Close")
{
client.Close();
}
}
else
{
client.Close();
}
string contentType = respHeader.Substring(respHeader.IndexOf("Content-Type:"));
contentType = contentType.Substring(13, contentType.IndexOf('\n') - 13).Trim();
string responseContent = "";
if (contentType.IndexOf("text/") != -1)
{
string charset = (contentType.IndexOf("charset") != -1) ? contentType.Substring(contentType.IndexOf("charset") + 8) : "utf-8";
if (charset.IndexOf(";") != -1)
{
charset = charset.Substring(0, charset.IndexOf(';'));
}
responseContent = Encoding.GetEncoding(charset).GetString(response.ToArray());
}
if ((AutoRedirect) && (maxredirect > 0))
{
string result = respHeader.Substring(0, respHeader.IndexOf('\n')).Trim();
int sci = respHeader.IndexOf("\nSet-Cookie: ");
while (sci != -1)
{
int eqi = respHeader.IndexOf('=', sci);
string name = respHeader.Substring(sci + 13, eqi - sci - 13);
string value = respHeader.Substring(eqi + 1, respHeader.IndexOf(';', sci) - eqi - 1);
if (value != "deleted")
{
if (Cookies.FindIndex((x) => { return(x.Name == name); }) == -1)
{
Cookies.Add(new Cookie()
{
Name = name, Value = value
});
}
else
{
Cookies.Find((x) => { return(x.Name == name); }).Value = value;
}
}
else
{
int index = Cookies.FindIndex((x) => { return(name == x.Name); });
if (index != -1)
{
Cookies.RemoveAt(index);
}
}
sci = respHeader.IndexOf("\nSet-Cookie: ", sci + 1);
}
if (result == "HTTP/1.1 302 Found")
{
string redurl = respHeader.Substring(respHeader.IndexOf("\nLocation:"));
redurl = redurl.Substring(redurl.IndexOf(':') + 1);
redurl = redurl.Substring(0, redurl.IndexOf('\n')).Trim();
if (redurl == "/")
{
redurl = Uri.Scheme + "://" + Uri.Host + "/";
}
Uri reuri = new Uri(redurl);
return((new HttpRequest()
{
Uri = reuri, UserAgent = UserAgent, AutoRedirect = true, Headers = Headers, Cookies = Cookies, referal = Uri.DnsSafeHost + Uri.PathAndQuery
}).GetResponse(port, maxredirect - 1));
}
}
return(new Response(respHeader, responseContent, Cookies.ToArray()));
}
internal void LoadPost(WebServerClient client)
{
if (!Headers.TryGetValue("content-type", out string contentType))
{
return;
}
string contentTypeShort = contentType.BeforeFirst(';').Trim().ToLower();
switch (contentTypeShort)
{
case "application/x-www-form-urlencoded": break;
case "application/octet-stream": break;
case "multipart/form-data": break;
default: throw new WebServerException(WebError.UnknownContent, 0, "Unknown content type!");
}
int size = 0;
{
if (Headers.TryGetValue("content-length", out string sizeStr))
{
int.TryParse(sizeStr, out size);
}
}
// if (size > 20 * 1024 * 1024) throw new CaveWebException(CaveWebError.MaximumSizeExceeded, "Maximum transfer size exceeded!");
if (Headers.ContainsKey("expect"))
{
if (Headers["expect"].Contains("100-continue"))
{
string @continue = $"{Protocol} {(int)HttpStatusCode.Continue} {HttpStatusCode.Continue}";
if (Server.VerboseMode)
{
Trace.TraceInformation($"Request {ID} {@continue}");
}
client.Writer.WriteLine(@continue);
client.Writer.WriteLine();
}
}
byte[] data = null;
if (Headers.TryGetValue("transfer-encoding", out string transferEncoding))
{
switch (transferEncoding.ToLower().Trim())
{
case "chunked":
var buf = new FifoBuffer();
while (true)
{
string line = client.Reader.ReadLine();
int chunkSize = Convert.ToInt32(line, 16);
if (chunkSize == 0)
{
break;
}
byte[] chunkData = client.Reader.ReadBytes(chunkSize);
buf.Enqueue(chunkData);
client.Reader.ReadLine();
}
data = buf.ToArray();
break;
default:
throw new WebServerException(WebError.UnknownContent, 0, string.Format("Unknown transfer encoding {0}", transferEncoding));
}
}
switch (contentTypeShort)
{
case "application/x-www-form-urlencoded":
if (data != null)
{
DecodeUrl(Encoding.ASCII.GetString(data).Replace('+', ' '), true);
}
else
{
DecodeUrl(Encoding.ASCII.GetString(client.Reader.ReadBytes(size)).Replace('+', ' '), true);
}
break;
case "application/octet-stream":
if (data != null)
{
SetPostData(data);
}
else
{
SetPostData(client.Reader.ReadBytes(size));
}
break;
case "multipart/form-data":
if (data != null)
{
DecodeMultiPartFormData(contentType, new DataReader(new MemoryStream(data), newLineMode: NewLineMode.CRLF));
}
else
{
DecodeMultiPartFormData(contentType, client.Reader);
}
break;
default: throw new WebServerException(WebError.UnknownContent, 0, "Unknown content type!");
}
}
private async Task <IEnumerable <KeyValuePair <string, string> > > HandleBrowse(Headers sparams, User user, string deviceId)
{
var id = sparams["ObjectID"];
var flag = sparams["BrowseFlag"];
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var provided = 0;
// Default to null instead of 0
// Upnp inspector sends 0 as requestedCount when it wants everything
int?requestedCount = null;
int?start = 0;
int requestedVal;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
{
requestedCount = requestedVal;
}
int startVal;
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
{
start = startVal;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
//didl.SetAttribute("xmlns:sec", NS_SEC);
result.AppendChild(didl);
var serverItem = GetItemFromObjectId(id, user);
var item = serverItem.Item;
int totalCount;
if (string.Equals(flag, "BrowseMetadata"))
{
totalCount = 1;
if (item.IsFolder || serverItem.StubType.HasValue)
{
var childrenResult = (await GetUserItems(item, serverItem.StubType, user, sortCriteria, start, requestedCount).ConfigureAwait(false));
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, item, serverItem.StubType, null, childrenResult.TotalRecordCount, filter, id));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, item, null, null, deviceId, filter));
}
provided++;
}
else
{
var childrenResult = (await GetUserItems(item, serverItem.StubType, user, sortCriteria, start, requestedCount).ConfigureAwait(false));
totalCount = childrenResult.TotalRecordCount;
provided = childrenResult.Items.Length;
foreach (var i in childrenResult.Items)
{
var childItem = i.Item;
var displayStubType = i.StubType;
if (childItem.IsFolder || displayStubType.HasValue)
{
var childCount = (await GetUserItems(childItem, displayStubType, user, sortCriteria, null, 0).ConfigureAwait(false))
.TotalRecordCount;
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, childItem, displayStubType, item, childCount, filter));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, childItem, item, serverItem.StubType, deviceId, filter));
}
}
}
var resXML = result.OuterXml;
return(new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("Result", resXML),
new KeyValuePair <string, string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair <string, string>("TotalMatches", totalCount.ToString(_usCulture)),
new KeyValuePair <string, string>("UpdateID", _systemUpdateId.ToString(_usCulture))
});
}
public void Resolve()
{
if (Message != "")
{
HttpMethod method;
string[] lines = Message.Replace("\r", "").Split('\n');
Content = Message.Substring(Message.IndexOf("\r\n\r\n")).Replace("\r\n\r\n", "");
foreach (string line in lines)
{
if (line == string.Empty)
{
continue;
}
if (line.Contains("HTTP/"))
{
string[] split = line.Split(' ');
if (Enum.TryParse(split[0], out method))
{
Method = method;
}
else
{
Method = HttpMethod.None;
}
if (Method != HttpMethod.None)
{
Uri uri;
if (Uri.TryCreate(split[1], UriKind.RelativeOrAbsolute, out uri))
{
HttpUri = uri;
}
else
{
Query = split[1];
}
}
Version = split[2];
//Console.WriteLine("Method: " + Method + " Version: " + Version);
}
else
{
//Console.WriteLine("Line: " + line);
string[] split = line.Replace(" ", string.Empty).Split(':');
string key = split[0];
string value = string.Empty;
for (int loop = 1; loop < split.Length; loop++)
{
value += split[loop];
if (loop != split.Length - 1)
{
value += ":";
}
}
//Console.WriteLine("Key: " + split[0] + " Value: " + value);
if (!Headers.ContainsKey(key))
{
Headers.Add(key, value);
}
}
}
}
}
private async Task<IEnumerable<KeyValuePair<string, string>>> HandleBrowse(Headers sparams, User user, string deviceId)
{
var id = sparams["ObjectID"];
var flag = sparams["BrowseFlag"];
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var provided = 0;
// Default to null instead of 0
// Upnp inspector sends 0 as requestedCount when it wants everything
int? requestedCount = null;
int? start = 0;
int requestedVal;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
{
requestedCount = requestedVal;
}
int startVal;
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
{
start = startVal;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
//didl.SetAttribute("xmlns:sec", NS_SEC);
result.AppendChild(didl);
var serverItem = GetItemFromObjectId(id, user);
var item = serverItem.Item;
int totalCount;
if (string.Equals(flag, "BrowseMetadata"))
{
totalCount = 1;
if (item.IsFolder || serverItem.StubType.HasValue)
{
var childrenResult = (await GetUserItems(item, serverItem.StubType, user, sortCriteria, start, requestedCount).ConfigureAwait(false));
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, item, serverItem.StubType, null, childrenResult.TotalRecordCount, filter, id));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, item, null, null, deviceId, filter));
}
provided++;
}
else
{
var childrenResult = (await GetUserItems(item, serverItem.StubType, user, sortCriteria, start, requestedCount).ConfigureAwait(false));
totalCount = childrenResult.TotalRecordCount;
provided = childrenResult.Items.Length;
foreach (var i in childrenResult.Items)
{
var childItem = i.Item;
var displayStubType = i.StubType;
if (childItem.IsFolder || displayStubType.HasValue)
{
var childCount = (await GetUserItems(childItem, displayStubType, user, sortCriteria, null, 0).ConfigureAwait(false))
.TotalRecordCount;
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, childItem, displayStubType, item, childCount, filter));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, childItem, item, serverItem.StubType, deviceId, filter));
}
}
}
var resXML = result.OuterXml;
return new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("Result", resXML),
new KeyValuePair<string,string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair<string,string>("TotalMatches", totalCount.ToString(_usCulture)),
new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
};
}
private void ConnectionTree_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
this.ConnectionListView.Items.Clear();
GridView GridView;
if ((GridView = this.ConnectionListView.View as GridView) != null)
{
while (GridView.Columns.Count > 2)
{
GridView.Columns.RemoveAt(2);
}
}
this.selectedNode = this.ConnectionTree.SelectedItem as TreeNode;
if (this.selectedNode != null)
{
TreeNode[] Children = this.selectedNode.Children;
Dictionary <string, bool> Headers = null;
DisplayableParameters Parameters;
if (Children != null)
{
foreach (TreeNode Child in this.selectedNode.Children)
{
this.ConnectionListView.Items.Add(Child);
if (GridView != null)
{
Parameters = Child.DisplayableParameters;
if (Parameters != null)
{
foreach (Parameter P in Parameters.Ordered)
{
if (P.Id == "NodeId" || P.Id == "Type")
{
continue;
}
if (Headers is null)
{
Headers = new Dictionary <string, bool>();
}
if (!Headers.ContainsKey(P.Id))
{
Headers[P.Id] = true;
GridViewColumn Column = new GridViewColumn()
{
Header = P.Name,
Width = double.NaN,
DisplayMemberBinding = new Binding("DisplayableParameters[" + P.Id + "]")
};
GridView.Columns.Add(Column);
}
}
}
}
}
}
}
MainWindow MainWindow = MainWindow.FindWindow(this);
if (MainWindow != null)
{
MainWindow.SelectionChanged();
}
}
/// <summary>
/// Gets the header.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">The key.</param>
/// <param name="defaultValue">The default value.</param>
/// <returns></returns>
public T GetHeader <T>(string key, T defaultValue = default(T))
{
return(Headers != null && Headers.ContainsKey(key) ? (T)Headers[key] : defaultValue);
}
internal bool Process()
{
//Core.Log.LibVerbose("Connection from {0}:{1}", RemoteAddress, RemotePort);
#region Init
//Core.Log.LibVerbose("Initializing request...");
var request = _streamReader.ReadLine();
if (string.IsNullOrEmpty(request))
{
throw new Exception("Invalid http request line");
}
//Core.Log.LibVerbose("Request: {0}", request);
var newIndex = request.IndexOf(' ', 2);
if (newIndex < 0)
{
throw new Exception("Invalid http request line");
}
var strMethod = request.Substring(0, newIndex);
var lastIndex = newIndex + 1;
newIndex = request.IndexOf(' ', lastIndex);
if (newIndex < 0)
{
throw new Exception("Invalid http request line");
}
RawUrl = request.Substring(lastIndex, newIndex - lastIndex);
HttpVersion = request.Substring(newIndex + 1);
switch (strMethod)
{
case "GET":
Method = HttpMethod.GET;
break;
case "POST":
Method = HttpMethod.POST;
break;
case "OPTIONS":
Method = HttpMethod.OPTIONS;
break;
case "HEAD":
Method = HttpMethod.HEAD;
break;
case "PUT":
Method = HttpMethod.PUT;
break;
case "DELETE":
Method = HttpMethod.DELETE;
break;
case "TRACE":
Method = HttpMethod.TRACE;
break;
default:
throw new Exception("Http method invalid");
}
#endregion
#region Extract Headers
//Core.Log.LibVerbose("Extracting headers...");
string line;
var hostHeader = false;
string host = null;
var contentTypeHeader = false;
while (!string.IsNullOrEmpty(line = _streamReader.ReadLine()))
{
var separator = line.IndexOf(':', 1);
if (separator > -1)
{
var name = line.Substring(0, separator);
var value = line[separator + 1] == ' ' ? line.Substring(separator + 2) : line.Substring(separator + 1);
Headers[name] = value;
if (!hostHeader && name == "Host")
{
host = value;
hostHeader = true;
}
if (!contentTypeHeader && name == "Content-Type")
{
ContentType = value;
contentTypeHeader = true;
}
//Core.Log.LibVerbose("Header: {0}:{1}", name, value);
}
else
{
Core.Log.Warning("Invalid http header line: " + line);
}
}
//Core.Log.LibVerbose("Headers done.");
#endregion
#region Extract Post Data
if (Method == HttpMethod.POST || Method == HttpMethod.PUT)
{
HasPostObject = true;
Core.Log.LibVerbose("Getting Post Data...");
ContentLength = 0;
if (Headers.ContainsKey("Content-Length"))
{
ContentLength = Convert.ToInt32(Headers["Content-Length"]);
if (ContentLength > MaxPostSize)
{
throw new Exception(string.Format("POST Content-Length({0}) too big for this simple server", ContentLength));
}
if (ContentLength > 0)
{
var fReader = new BinaryReader(InputStream, Encoding.UTF8, true);
PostData = fReader.ReadBytes(ContentLength);
}
}
Core.Log.LibVerbose("Post Data done.");
}
#endregion
Url = new Uri("http://" + host + RawUrl);
QueryString = HttpUtility.ParseQueryString(Url.Query);
Form = ContentType == "application/x-www-form-urlencoded" ?
new FormUrlEncodedContentParser(PostData) :
new FormUrlEncodedContentParser();
return(true);
}
/// <summary>
/// True if header exists
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public bool HeaderExists(string name)
{
return(Headers.ContainsKey(name) || NonUniqueHeaders.ContainsKey(name));
}
bool HasHeader(string key)
{
return(Headers.ContainsKey(key));
}
public async Task <T> CreateResponse <T>(RequestData data)
{
var headers = data.Headers;
var method = data.Method;
var url = data.Url;
var content = data.Content;
if (headers != null)
{
foreach (var item in headers)
{
if (Headers.ContainsKey(item.Key))
{
Headers[item.Key] = item.Value;
}
else
{
Headers.Add(item.Key, item.Value);
}
}
}
if (!Headers.ContainsKey("ClientId") && string.IsNullOrWhiteSpace(ConnectId))
{
Headers.Add("ClientId", ConnectId);
}
try
{
var client = HttpClient ?? new HttpClient();
var req = new HttpRequestMessage()
{
RequestUri = new Uri(url),
Method = method,
};
if (content != null)
{
req.Headers.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
req.Content = new StringContent(ToJson(content), Encoding.UTF8, "application/json");
}
foreach (var item in Headers)
{
req.Headers.Add(item.Key, item.Value);
}
var rsp = await client.SendAsync(req);
data.OnStatusCode?.Invoke((int)rsp.StatusCode);
var rspbody = rsp.Content.ReadAsStringAsync().Result;
//if ((int)rsp.StatusCode>=400)
//{
// return default(T);
//}
var result = FromJson <T>(rspbody);
return(result);
}
catch (Exception ex)
{
data.OnStatusCode?.Invoke(999);
data.Catch?.Invoke(ex, data);
Log($"{method.ToString()} {url} {ex.Message}");
}
return(default(T));
}
int ReportedBodyLength()
{
return(Headers.ContainsKey("Content-Length") ? GetContentLength() : 0);
}
bool IsChunked()
{
return(Headers.ContainsKey("Transfer-Encoding") &&
Headers["Transfer-Encoding"].ToLowerInvariant() == "chunked");
}
private IEnumerable<KeyValuePair<string, string>> HandleSearch(Headers sparams, User user, string deviceId)
{
var searchCriteria = new SearchCriteria(sparams.GetValueOrDefault("SearchCriteria", ""));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
// sort example: dc:title, dc:date
var provided = 0;
var requested = 0;
var start = 0;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requested) && requested <= 0)
{
requested = 0;
}
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out start) && start <= 0)
{
start = 0;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
didl.SetAttribute("xmlns:sec", NS_SEC);
result.AppendChild(didl);
var folder = (Folder)GetItemFromObjectId(sparams["ContainerID"], user);
var children = GetChildrenSorted(folder, user, searchCriteria, sortCriteria).ToList();
var totalCount = children.Count;
if (start > 0)
{
children = children.Skip(start).ToList();
}
if (requested > 0)
{
children = children.Take(requested).ToList();
}
provided = children.Count;
foreach (var i in children)
{
if (i.IsFolder)
{
var f = (Folder)i;
var childCount = GetChildrenSorted(f, user, searchCriteria, sortCriteria).Count();
Browse_AddFolder(result, f, childCount, filter);
}
else
{
Browse_AddItem(result, i, user, deviceId, filter);
}
}
var resXML = result.OuterXml;
return new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("Result", resXML),
new KeyValuePair<string,string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair<string,string>("TotalMatches", totalCount.ToString(_usCulture)),
new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
};
}
/// <summary>
/// Writes the response in one-step, and then closes the response stream
/// </summary>
/// <returns><c>true</c>, if written successfully, <c>false</c> otherwise.</returns>
public bool WriteToContext()
{
bool syncWrite = true;
if (_requestMethod != "HEAD")
{
if (JsonBody != null)
{
if (!Chunked && !Headers.ContainsKey("Content-Type"))
{
var accept = _requestHeaders["Accept"];
if (accept != null)
{
if (accept.Contains("*/*") || accept.Contains("application/json"))
{
_responseWriter.AddHeader("Content-Type", "application/json");
}
else if (accept.Contains("text/plain"))
{
_responseWriter.AddHeader("Content-Type", "text/plain; charset=utf-8");
}
else
{
Reset();
_responseWriter.AddHeader("Content-Type", "application/json");
InternalStatus = StatusCode.NotAcceptable;
}
}
}
var json = default(byte[]);
try {
json = JsonBody.AsJson().ToArray();
} catch (Exception e) {
Log.To.Router.E(TAG, "Invalid body on response", e);
json = null;
}
if (!Chunked)
{
_responseWriter.ContentEncoding = Encoding.UTF8;
_responseWriter.ContentLength = json.Length;
}
if (!WriteToStream(json))
{
return(false);
}
}
else if (BinaryBody != null)
{
this["Content-Type"] = BaseContentType;
_responseWriter.ContentEncoding = Encoding.UTF8;
var data = BinaryBody.ToArray();
if (!Chunked)
{
_responseWriter.ContentLength = data.LongLength;
}
if (!WriteToStream(data))
{
return(false);
}
}
else if (MultipartWriter != null)
{
_responseWriter.ContentLength = MultipartWriter.Length;
MultipartWriter.WriteAsync(_responseWriter.OutputStream).ContinueWith(t =>
{
if (t.IsCompleted && t.Result)
{
TryClose();
}
else
{
Log.To.Router.I(TAG, "Multipart async write did not finish properly");
}
});
syncWrite = false;
}
else
{
WriteBodyCallback?.Invoke(this, WriteBodyContext);
}
}
if (syncWrite)
{
TryClose();
}
return(true);
}
public bool HasHeader(string name)
{
return(Headers != null && Headers.ContainsKey(name));
}
/// <summary>
/// Gets the header with the specified key as a string if possible, otherwise null
/// </summary>
public string GetStringHeader(string key)
{
return(Headers.ContainsKey(key) && Headers[key] is string?(string)Headers[key] : null);
}
internal EventMessage(BasicMessage basicMessage)
{
if (basicMessage is EventMessage)
{
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
return;
}
if (basicMessage.ContentType == ContentTypes.CommandReply)
{
/*
* Special Case:
* When an Outbound Socket sends the "connect" command, FreeSwitch responds with a Command-Reply.
* This Command-Reply message contains a CHANNEL_DATA event message buried in its headers.
* In this case, we can hydrate an event message from a message of content type Command-Reply.
*/
if (basicMessage.Headers.ContainsKey(HeaderNames.EventName))
{
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
return;
}
/* otherwise, we'll throw an exception if we get the wrong content-type message passed in*/
throw new InvalidOperationException("Expected content type event/plain, got {0} instead.".Fmt(basicMessage.ContentType));
}
// normally, the content of the event will be in the BasicMessage's body text and will need to be parsed to produce an EventMessage
if (string.IsNullOrEmpty(basicMessage.BodyText))
{
throw new ArgumentException("Message did not contain an event body.");
}
try
{
var delimiterIndex = basicMessage.BodyText.IndexOf("\n\n", StringComparison.Ordinal);
if (delimiterIndex == -1 || delimiterIndex == basicMessage.BodyText.Length - 2)
{
// body text consists of key-value-pair event headers, no body
Headers = basicMessage.BodyText.ParseKeyValuePairs(": ");
BodyText = null;
}
else
{
// ...but some Event Messages also carry a body payload, eg. a BACKGROUND_JOB event
// which is a message carried inside an EventMessage carried inside a BasicMessage..
Headers = basicMessage.BodyText.Substring(0, delimiterIndex).ParseKeyValuePairs(": ");
Debug.Assert(Headers.ContainsKey(HeaderNames.ContentLength));
var contentLength = int.Parse(Headers[HeaderNames.ContentLength]);
Debug.Assert(delimiterIndex + 2 + contentLength <= basicMessage.BodyText.Length, "Message cut off mid-transmission");
var body = basicMessage.BodyText.Substring(delimiterIndex + 2, contentLength);
//remove any \n\n if any
var index = body.IndexOf("\n\n", StringComparison.Ordinal);
BodyText = index > 0 ? body.Substring(0, index) : body;
}
}
catch (Exception ex)
{
Log.ErrorException("Failed to parse body of event", ex);
Log.Error(BodyText);
throw;
}
}
private async Task<IEnumerable<KeyValuePair<string, string>>> HandleSearch(Headers sparams, User user, string deviceId)
{
var searchCriteria = new SearchCriteria(sparams.GetValueOrDefault("SearchCriteria", ""));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
// sort example: dc:title, dc:date
// Default to null instead of 0
// Upnp inspector sends 0 as requestedCount when it wants everything
int? requestedCount = null;
int? start = 0;
int requestedVal;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
{
requestedCount = requestedVal;
}
int startVal;
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
{
start = startVal;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
foreach (var att in _profile.XmlRootAttributes)
{
didl.SetAttribute(att.Name, att.Value);
}
result.AppendChild(didl);
var serverItem = GetItemFromObjectId(sparams["ContainerID"], user);
var item = serverItem.Item;
var childrenResult = (await GetChildrenSorted(item, user, searchCriteria, sortCriteria, start, requestedCount).ConfigureAwait(false));
var totalCount = childrenResult.TotalRecordCount;
var provided = childrenResult.Items.Length;
foreach (var i in childrenResult.Items)
{
if (i.IsFolder)
{
var childCount = (await GetChildrenSorted(i, user, searchCriteria, sortCriteria, null, 0).ConfigureAwait(false))
.TotalRecordCount;
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, i, null, item, childCount, filter));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, i, item, serverItem.StubType, deviceId, filter));
}
}
var resXML = result.OuterXml;
return new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("Result", resXML),
new KeyValuePair<string,string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair<string,string>("TotalMatches", totalCount.ToString(_usCulture)),
new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
};
}
public bool IsCache()
{
bool cache = Headers.ContainsKey("Cache-Control") || Headers.ContainsKey("ETag") || Headers.ContainsKey("If-Modified-Since");
return(cache);
}
