/// <summary> /// Return the RAW request header. /// </summary> public static void RegisterRAWRequestHandler(this HTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, HTTPMethod HTTPMethod = null) { HTTPServer.AddMethodCallback(Hostname, HTTPMethod: HTTPMethod ?? HTTPMethod.GET, URITemplate: URITemplate, HTTPDelegate: async Request => { return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, CacheControl = "no-cache", Connection = "close", ContentType = HTTPContentType.TEXT_UTF8, Content = ("Incoming http connection from '" + Request.RemoteSocket + "'" + Environment.NewLine + Environment.NewLine + Request.RawHTTPHeader + Environment.NewLine + Environment.NewLine + "Method => " + Request.HTTPMethod + Environment.NewLine + "URL => " + Request.URI + Environment.NewLine + "QueryString => " + Request.QueryString + Environment.NewLine + "Protocol => " + Request.ProtocolName + Environment.NewLine + "Version => " + Request.ProtocolVersion + Environment.NewLine).ToUTF8Bytes() }); }); }
/// <summary> /// Register a MovedTemporarily handler. /// </summary> public static void RegisterMovedTemporarilyHandler(this HTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, String URITarget) { HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate, HTTPDelegate: async Request => HTTPTools.MovedTemporarily(Request, URITarget)); }
/// <summary> /// Creates a new hostname node. /// </summary> /// <param name="Hostname">The hostname(s) for this (virtual) http service.</param> /// <param name="RequestHandler">The default delegate to call for any request to this hostname.</param> /// <param name="HostAuthentication">This and all subordinated nodes demand an explicit host authentication.</param> /// <param name="DefaultErrorHandler">The default error handling delegate.</param> internal HostnameNode(HTTPHostname Hostname, HTTPAuthentication HostAuthentication = null, HTTPDelegate RequestHandler = null, HTTPDelegate DefaultErrorHandler = null) { #region Check Hostname if (Hostname == null) { throw new ArgumentNullException("Hostname", "The given HTTP hostname must not be null!"); } var HostHeader = Hostname.ToString().Split(new Char[1] { ':' }, StringSplitOptions.None).Select(v => v.Trim()).ToArray(); UInt16 HostPort = 80; // 1.2.3.4 => 1.2.3.4:80 // 1.2.3.4:80 => ok // 1.2.3.4 : 80 => ok // 1.2.3.4:* => ok // 1.2.3.4:a => invalid // 1.2.3.4:80: => ok // 1.2.3.4:80:0 => invalid // rfc 2616 - 3.2.2 // If the port is empty or not given, port 80 is assumed. if (HostHeader.Length == 1) { this._Hostname = HTTPHostname.Parse(Hostname + ":" + HostPort); } else if ((HostHeader.Length == 2 && (!UInt16.TryParse(HostHeader[1], out HostPort) && HostHeader[1] != "*")) || HostHeader.Length > 2) { throw new ArgumentException("Invalid Hostname!", "Hostname"); } else { this._Hostname = HTTPHostname.Parse(HostHeader[0] + ":" + HostHeader[1]); } #endregion this._HostAuthentication = (HostAuthentication != null) ? HostAuthentication : _ => true; this._RequestHandler = RequestHandler; this._DefaultErrorHandler = DefaultErrorHandler; this._URINodes = new Dictionary <String, URINode>(); this._ErrorHandlers = new Dictionary <HTTPStatusCode, HTTPDelegate>(); }
/// <summary> /// Register a EventStream handler. /// </summary> public static void RegisterEventStreamHandler(this HTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, String EventSource) { HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate, HTTPDelegate: async Request => { var _LastEventId = 0UL; var _Client_LastEventId = 0UL; var _EventSource = HTTPServer.GetEventSource(EventSource); if (Request.TryGet <UInt64>("Last-Event-Id", out _Client_LastEventId)) { _LastEventId = _Client_LastEventId; } //_LastEventId = 0; var _HTTPEvents = (from _HTTPEvent in _EventSource.GetAllEventsGreater(_LastEventId) where _HTTPEvent != null select _HTTPEvent.ToString()) .ToArray(); // For thread safety! // Transform HTTP events into an UTF8 string var _ResourceContent = String.Empty; if (_HTTPEvents.Length > 0) { _ResourceContent = Environment.NewLine + _HTTPEvents.Aggregate((a, b) => a + Environment.NewLine + b); } _ResourceContent += Environment.NewLine + "retry: " + _EventSource.RetryIntervall.TotalMilliseconds + Environment.NewLine + Environment.NewLine; return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = HTTPContentType.EVENTSTREAM, CacheControl = "no-cache", Connection = "keep-alive", Content = _ResourceContent.ToUTF8Bytes() }); }); }
/// <summary> /// Returns resources from the given file system location. /// </summary> /// <param name="HTTPServer">A HTTP server.</param> /// <param name="URITemplate">An URI template.</param> /// <param name="DefaultFilename">The default file to load.</param> public static void RegisterWatchedFileSystemFolder(this IHTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, String FileSystemLocation, String HTTPSSE_EventIdentification, String HTTPSSE_URITemplate, // Func<String[], String> ResourcePath, String DefaultFilename = "index.html") { #region Setup file system watcher var watcher = new FileSystemWatcher() { Path = FileSystemLocation, NotifyFilter = NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.LastWrite, //Filter = "*.html",//|*.css|*.js|*.json", IncludeSubdirectories = true, InternalBufferSize = 4 * 4096 }; watcher.Created += (s, e) => FileWasChanged(HTTPServer, HTTPSSE_EventIdentification, e.ChangeType.ToString(), e.FullPath.Remove(0, FileSystemLocation.Length).Replace(Path.DirectorySeparatorChar, '/')); watcher.Changed += (s, e) => FileWasChanged(HTTPServer, HTTPSSE_EventIdentification, e.ChangeType.ToString(), e.FullPath.Remove(0, FileSystemLocation.Length).Replace(Path.DirectorySeparatorChar, '/')); watcher.Renamed += FileWasRenamed; watcher.Deleted += (s, e) => FileWasChanged(HTTPServer, HTTPSSE_EventIdentification, e.ChangeType.ToString(), e.FullPath.Remove(0, FileSystemLocation.Length).Replace(Path.DirectorySeparatorChar, '/')); watcher.Error += FileWatcherError; #endregion HTTPServer.AddEventSource(HTTPSSE_EventIdentification, URITemplate: HTTPSSE_URITemplate); HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate + (URITemplate.EndsWith("/", StringComparison.InvariantCulture) ? "{ResourceName}" : "/{ResourceName}"), HTTPContentType.PNG, HTTPDelegate: async Request => { HTTPContentType ResponseContentType = null; var NumberOfTemplateParameters = URITemplate.Count(c => c == '{'); var FilePath = (Request.ParsedURIParameters != null && Request.ParsedURIParameters.Length > NumberOfTemplateParameters) ? Request.ParsedURIParameters.Last().Replace('/', Path.DirectorySeparatorChar) : DefaultFilename.Replace('/', Path.DirectorySeparatorChar); try { var FileStream = File.OpenRead(FileSystemLocation + Path.DirectorySeparatorChar + FilePath); if (FileStream != null) { #region Choose HTTP Content Type based on the file name extention... ResponseContentType = HTTPContentType.ForFileExtention(FilePath.Remove(0, FilePath.LastIndexOf(".", StringComparison.InvariantCulture) + 1), () => HTTPContentType.OCTETSTREAM).FirstOrDefault(); #endregion #region Create HTTP Response return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = ResponseContentType, ContentStream = FileStream, CacheControl = "public, max-age=300", //Expires = "Mon, 25 Jun 2015 21:31:12 GMT", KeepAlive = new KeepAliveType(TimeSpan.FromMinutes(5), 500), Connection = "Keep-Alive" }); #endregion } } catch (FileNotFoundException e) { } return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = HTTPContentType.TEXT_UTF8, Content = "Error 404 - Not found!".ToUTF8Bytes(), CacheControl = "no-cache", Connection = "close", }); }, AllowReplacement: URIReplacement.Fail); // And now my watch begins... watcher.EnableRaisingEvents = true; }
/// <summary> /// Returns resources from the given file system location. /// </summary> /// <param name="HTTPServer">A HTTP server.</param> /// <param name="Hostname">The HTTP hostname.</param> /// <param name="URITemplate">An URI template.</param> /// <param name="ResourcePath">The path to the file within the assembly.</param> /// <param name="DefaultFilename">The default file to load.</param> public static void RegisterFilesystemFolder(this IHTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, Func <String[], String> ResourcePath, String DefaultFilename = "index.html") { HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate + (URITemplate.EndsWith("/", StringComparison.InvariantCulture) ? "{ResourceName}" : "/{ResourceName}"), HTTPContentType: HTTPContentType.PNG, HTTPDelegate: async Request => { HTTPContentType ResponseContentType = null; var NumberOfTemplateParameters = URITemplate.Count(c => c == '{'); var FilePath = (Request.ParsedURIParameters != null && Request.ParsedURIParameters.Length > NumberOfTemplateParameters) ? Request.ParsedURIParameters.Last().Replace('/', Path.DirectorySeparatorChar) : DefaultFilename.Replace('/', Path.DirectorySeparatorChar); var FileStream = File.OpenRead(ResourcePath(Request.ParsedURIParameters) + Path.DirectorySeparatorChar + FilePath); if (FileStream != null) { #region Choose HTTP Content Type based on the file name extention... var FileName = FilePath.Substring(FilePath.LastIndexOf("/") + 1); // Get the appropriate content type based on the suffix of the requested resource switch (FileName.Remove(0, FileName.LastIndexOf(".") + 1)) { case "htm": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "html": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "css": ResponseContentType = HTTPContentType.CSS_UTF8; break; case "gif": ResponseContentType = HTTPContentType.GIF; break; case "jpg": ResponseContentType = HTTPContentType.JPEG; break; case "jpeg": ResponseContentType = HTTPContentType.JPEG; break; case "svg": ResponseContentType = HTTPContentType.SVG; break; case "png": ResponseContentType = HTTPContentType.PNG; break; case "ico": ResponseContentType = HTTPContentType.ICO; break; case "swf": ResponseContentType = HTTPContentType.SWF; break; case "js": ResponseContentType = HTTPContentType.JAVASCRIPT_UTF8; break; case "txt": ResponseContentType = HTTPContentType.TEXT_UTF8; break; default: ResponseContentType = HTTPContentType.OCTETSTREAM; break; } #endregion #region Create HTTP Response return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = ResponseContentType, ContentStream = FileStream, CacheControl = "public, max-age=300", //Expires = "Mon, 25 Jun 2015 21:31:12 GMT", KeepAlive = new KeepAliveType(TimeSpan.FromMinutes(5), 500), Connection = "Keep-Alive", }); #endregion } else { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, CacheControl = "no-cache", Connection = "close", } }; }, AllowReplacement: URIReplacement.Fail); return; }
/// <summary> /// Returns a resource from the given file system location. /// </summary> /// <param name="HTTPServer">A HTTP server.</param> /// <param name="Hostname">The HTTP hostname.</param> /// <param name="URITemplate">An URI template.</param> /// <param name="ResourceFilenameBuilder">The path to the file within the assembly.</param> /// <param name="DefaultFile">If an error occures, return this file.</param> /// <param name="ResponseContentType">Set the HTTP MIME content-type of the file. If null try to autodetect the content type based on the filename extention.</param> /// <param name="CacheControl">Set the HTTP cache control response header.</param> public static void RegisterFilesystemFile(this IHTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, Func <String[], String> ResourceFilenameBuilder, String DefaultFile = null, HTTPContentType ResponseContentType = null, String CacheControl = "no-cache") { #region Get the appropriate content type based on the suffix returned by the ResourceFilenameBuilder // NumberOfTemplateParameters var _ResourceFilename = ResourceFilenameBuilder(Enumerable.Repeat("", URITemplate.Count(c => c == '{')).ToArray()); if (ResponseContentType == null) { switch (_ResourceFilename.Remove(0, _ResourceFilename.LastIndexOf(".") + 1)) { case "htm": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "html": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "css": ResponseContentType = HTTPContentType.CSS_UTF8; break; case "gif": ResponseContentType = HTTPContentType.GIF; break; case "jpg": ResponseContentType = HTTPContentType.JPEG; break; case "jpeg": ResponseContentType = HTTPContentType.JPEG; break; case "svg": ResponseContentType = HTTPContentType.SVG; break; case "png": ResponseContentType = HTTPContentType.PNG; break; case "ico": ResponseContentType = HTTPContentType.ICO; break; case "swf": ResponseContentType = HTTPContentType.SWF; break; case "js": ResponseContentType = HTTPContentType.JAVASCRIPT_UTF8; break; case "txt": ResponseContentType = HTTPContentType.TEXT_UTF8; break; default: ResponseContentType = HTTPContentType.OCTETSTREAM; break; } } #endregion HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate, HTTPContentType: ResponseContentType, HTTPDelegate: async Request => { var ResourceFilename = ResourceFilenameBuilder(Request.ParsedURIParameters); if (!File.Exists(ResourceFilename) && DefaultFile != null) { ResourceFilename = DefaultFile; } if (File.Exists(ResourceFilename)) { var FileStream = File.OpenRead(ResourceFilename); if (FileStream != null) { return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = ResponseContentType, ContentStream = FileStream, CacheControl = CacheControl, Connection = "close", }); } } return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, CacheControl = "no-cache", Connection = "close", }); }, AllowReplacement: URIReplacement.Fail); return; }
/// <summary> /// Returns internal resources embedded within the given assembly. /// </summary> /// <param name="HTTPServer">A HTTP server.</param> /// <param name="Hostname">The HTTP hostname.</param> /// <param name="URITemplate">An URI template.</param> /// <param name="ResourcePath">The path to the file within the assembly.</param> /// <param name="ResourceAssembly">Optionally the assembly where the resources are located (default: the calling assembly).</param> /// <param name="DefaultFilename">The default file to load.</param> /// <param name="HTTPRealm">An optional realm for HTTP basic authentication.</param> /// <param name="HTTPLogin">An optional login for HTTP basic authentication.</param> /// <param name="HTTPPassword">An optional password for HTTP basic authentication.</param> public static void RegisterResourcesFolder(this IHTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, String ResourcePath, Assembly ResourceAssembly = null, String DefaultFilename = "index.html", String HTTPRealm = null, String HTTPLogin = null, String HTTPPassword = null) { if (ResourceAssembly == null) { ResourceAssembly = Assembly.GetCallingAssembly(); } HTTPDelegate GetEmbeddedResources = async Request => { #region Check HTTP Basic Authentication if (HTTPLogin.IsNotNullOrEmpty() && HTTPPassword.IsNotNullOrEmpty()) { if (Request.Authorization == null || Request.Authorization.Username != HTTPLogin || Request.Authorization.Password != HTTPPassword) { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.Unauthorized, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, WWWAuthenticate = @"Basic realm=""" + HTTPRealm + @"""", ContentType = HTTPContentType.TEXT_UTF8, Content = "Unauthorized Access!".ToUTF8Bytes(), Connection = "close" } } ; } #endregion HTTPContentType ResponseContentType = null; var FilePath = (Request.ParsedURIParameters != null && Request.ParsedURIParameters.Length > 0) ? Request.ParsedURIParameters.Last().Replace("/", ".") : DefaultFilename.Replace("/", "."); var FileStream = ResourceAssembly.GetManifestResourceStream(ResourcePath + "." + FilePath); if (FileStream != null) { #region Choose HTTP Content Type based on the file name extention... var FileName = FilePath.Substring(FilePath.LastIndexOf("/") + 1); // Get the appropriate content type based on the suffix of the requested resource switch (FileName.Remove(0, FileName.LastIndexOf(".") + 1)) { case "htm": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "html": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "css": ResponseContentType = HTTPContentType.CSS_UTF8; break; case "gif": ResponseContentType = HTTPContentType.GIF; break; case "jpg": ResponseContentType = HTTPContentType.JPEG; break; case "jpeg": ResponseContentType = HTTPContentType.JPEG; break; case "svg": ResponseContentType = HTTPContentType.SVG; break; case "png": ResponseContentType = HTTPContentType.PNG; break; case "ico": ResponseContentType = HTTPContentType.ICO; break; case "swf": ResponseContentType = HTTPContentType.SWF; break; case "js": ResponseContentType = HTTPContentType.JAVASCRIPT_UTF8; break; case "txt": ResponseContentType = HTTPContentType.TEXT_UTF8; break; case "xml": ResponseContentType = HTTPContentType.XML_UTF8; break; default: ResponseContentType = HTTPContentType.OCTETSTREAM; break; } #endregion #region Create HTTP Response return(new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = ResponseContentType, ContentStream = FileStream, CacheControl = "public, max-age=300", //Expires = "Mon, 25 Jun 2015 21:31:12 GMT", KeepAlive = new KeepAliveType(TimeSpan.FromMinutes(5), 500), Connection = "Keep-Alive", }); #endregion } else { #region Try to find a appropriate customized errorpage... Stream ErrorStream = null; Request.BestMatchingAcceptType = Request.Accept.BestMatchingContentType(new HTTPContentType[] { HTTPContentType.HTML_UTF8, HTTPContentType.TEXT_UTF8 }); if (Request.BestMatchingAcceptType == HTTPContentType.HTML_UTF8) { ResponseContentType = HTTPContentType.HTML_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourcePath.Substring(0, ResourcePath.LastIndexOf(".")) + ".ErrorPages." + "404.html"); } else if (Request.BestMatchingAcceptType == HTTPContentType.TEXT_UTF8) { ResponseContentType = HTTPContentType.TEXT_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourcePath.Substring(0, ResourcePath.LastIndexOf(".")) + ".ErrorPages." + "404.txt"); } else if (Request.BestMatchingAcceptType == HTTPContentType.JSON_UTF8) { ResponseContentType = HTTPContentType.JSON_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourcePath.Substring(0, ResourcePath.LastIndexOf(".")) + ".ErrorPages." + "404.js"); } else if (Request.BestMatchingAcceptType == HTTPContentType.XML_UTF8) { ResponseContentType = HTTPContentType.XML_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourcePath.Substring(0, ResourcePath.LastIndexOf(".")) + ".ErrorPages." + "404.xml"); } else if (Request.BestMatchingAcceptType == HTTPContentType.ALL) { ResponseContentType = HTTPContentType.HTML_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourcePath.Substring(0, ResourcePath.LastIndexOf(".")) + ".ErrorPages." + "404.html"); } if (ErrorStream != null) { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = ResponseContentType, ContentStream = ErrorStream, CacheControl = "no-cache", Connection = "close", } } ; #endregion #region ...or send a default error page! else { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, CacheControl = "no-cache", Connection = "close", } }; #endregion } }; // ~/map HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate.EndsWith("/", StringComparison.InvariantCulture) ? URITemplate.Substring(0, URITemplate.Length) : URITemplate, HTTPDelegate: GetEmbeddedResources); // ~/map/ HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate + (URITemplate.EndsWith("/", StringComparison.InvariantCulture) ? "" : "/"), HTTPDelegate: GetEmbeddedResources); // ~/map/file.name HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate + (URITemplate.EndsWith("/", StringComparison.InvariantCulture) ? "{ResourceName}" : "/{ResourceName}"), HTTPDelegate: GetEmbeddedResources); }
/// <summary> /// Returns internal resources embedded within the given assembly. /// </summary> /// <param name="HTTPServer">A HTTP server.</param> /// <param name="Hostname">The HTTP hostname.</param> /// <param name="URITemplate">An URI template.</param> /// <param name="ResourceAssembly">The assembly where the resources are located.</param> /// <param name="ResourceFilename">The path to the file within the assembly.</param> /// <param name="ResponseContentType">Set the HTTP MIME content-type of the file. If null try to autodetect the content type based on the filename extention.</param> /// <param name="CacheControl">Set the HTTP cache control response header.</param> public static void RegisterResourcesFile(this IHTTPServer HTTPServer, HTTPHostname Hostname, String URITemplate, Assembly ResourceAssembly, String ResourceFilename, HTTPContentType ResponseContentType = null, String CacheControl = "no-cache") { #region Get the appropriate content type based on the suffix of the requested resource if (ResponseContentType == null) { switch (ResourceFilename.Remove(0, ResourceFilename.LastIndexOf(".") + 1)) { case "htm": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "html": ResponseContentType = HTTPContentType.HTML_UTF8; break; case "css": ResponseContentType = HTTPContentType.CSS_UTF8; break; case "gif": ResponseContentType = HTTPContentType.GIF; break; case "jpg": ResponseContentType = HTTPContentType.JPEG; break; case "jpeg": ResponseContentType = HTTPContentType.JPEG; break; case "svg": ResponseContentType = HTTPContentType.SVG; break; case "png": ResponseContentType = HTTPContentType.PNG; break; case "ico": ResponseContentType = HTTPContentType.ICO; break; case "swf": ResponseContentType = HTTPContentType.SWF; break; case "js": ResponseContentType = HTTPContentType.JAVASCRIPT_UTF8; break; case "txt": ResponseContentType = HTTPContentType.TEXT_UTF8; break; case "xml": ResponseContentType = HTTPContentType.XML_UTF8; break; default: ResponseContentType = HTTPContentType.OCTETSTREAM; break; } } #endregion HTTPServer.AddMethodCallback(Hostname, HTTPMethod.GET, URITemplate, HTTPContentType: ResponseContentType, HTTPDelegate: async Request => { var FileStream = ResourceAssembly.GetManifestResourceStream(ResourceFilename); if (FileStream != null) { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, ContentType = ResponseContentType, ContentStream = FileStream, CacheControl = CacheControl, Connection = "close", } } ; else { #region Try to find a appropriate customized errorpage... Stream ErrorStream = null; Request.BestMatchingAcceptType = Request.Accept.BestMatchingContentType(new HTTPContentType[] { HTTPContentType.HTML_UTF8, HTTPContentType.TEXT_UTF8 }); if (Request.BestMatchingAcceptType == HTTPContentType.HTML_UTF8) { ResponseContentType = HTTPContentType.HTML_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourceFilename.Substring(0, ResourceFilename.LastIndexOf(".")) + ".ErrorPages." + "404.html"); } else if (Request.BestMatchingAcceptType == HTTPContentType.TEXT_UTF8) { ResponseContentType = HTTPContentType.TEXT_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourceFilename.Substring(0, ResourceFilename.LastIndexOf(".")) + ".ErrorPages." + "404.txt"); } else if (Request.BestMatchingAcceptType == HTTPContentType.JSON_UTF8) { ResponseContentType = HTTPContentType.JSON_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourceFilename.Substring(0, ResourceFilename.LastIndexOf(".")) + ".ErrorPages." + "404.js"); } else if (Request.BestMatchingAcceptType == HTTPContentType.XML_UTF8) { ResponseContentType = HTTPContentType.XML_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourceFilename.Substring(0, ResourceFilename.LastIndexOf(".")) + ".ErrorPages." + "404.xml"); } else if (Request.BestMatchingAcceptType == HTTPContentType.ALL) { ResponseContentType = HTTPContentType.HTML_UTF8; ErrorStream = ResourceAssembly.GetManifestResourceStream(ResourceFilename.Substring(0, ResourceFilename.LastIndexOf(".")) + ".ErrorPages." + "404.html"); } if (ErrorStream != null) { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, ContentType = ResponseContentType, ContentStream = ErrorStream, CacheControl = "no-cache", Connection = "close", } } ; #endregion #region ...or send a default error page! else { return new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.NotFound, Server = HTTPServer.DefaultServerName, Date = DateTime.Now, CacheControl = "no-cache", Connection = "close", } }; #endregion } }, AllowReplacement: URIReplacement.Fail); return; }
// Method Callbacks #region (internal) AddHandler(HTTPDelegate, Hostname = "*", URITemplate = "/", HTTPMethod = null, HTTPContentType = null, HostAuthentication = null, URIAuthentication = null, HTTPMethodAuthentication = null, ContentTypeAuthentication = null, DefaultErrorHandler = null) /// <summary> /// Add a method callback for the given URI template. /// </summary> /// <param name="HTTPDelegate">A delegate called for each incoming HTTP request.</param> /// <param name="Hostname">The HTTP hostname.</param> /// <param name="URITemplate">The URI template.</param> /// <param name="HTTPMethod">The HTTP method.</param> /// <param name="HTTPContentType">The HTTP content type.</param> /// <param name="HostAuthentication">Whether this method needs explicit host authentication or not.</param> /// <param name="URIAuthentication">Whether this method needs explicit uri authentication or not.</param> /// <param name="HTTPMethodAuthentication">Whether this method needs explicit HTTP method authentication or not.</param> /// <param name="ContentTypeAuthentication">Whether this method needs explicit HTTP content type authentication or not.</param> /// <param name="DefaultErrorHandler">The default error handler.</param> internal void AddHandler(HTTPDelegate HTTPDelegate, HTTPHostname Hostname = null, String URITemplate = "/", HTTPMethod HTTPMethod = null, HTTPContentType HTTPContentType = null, HTTPAuthentication HostAuthentication = null, HTTPAuthentication URIAuthentication = null, HTTPAuthentication HTTPMethodAuthentication = null, HTTPAuthentication ContentTypeAuthentication = null, HTTPDelegate DefaultErrorHandler = null, URIReplacement AllowReplacement = URIReplacement.Fail) { lock (Lock) { #region Initial Checks if (HTTPDelegate == null) { throw new ArgumentNullException("HTTPDelegate", "The given parameter must not be null!"); } if (Hostname == null) { Hostname = HTTPHostname.Any; } if (URITemplate.IsNullOrEmpty()) { URITemplate = "/"; } if (HTTPMethod == null && HTTPContentType != null) { throw new ArgumentNullException("If HTTPMethod is null the HTTPContentType must also be null!"); } #endregion #region AddOrUpdate HostNode HostnameNode _HostnameNode = null; if (!_HostnameNodes.TryGetValue(Hostname, out _HostnameNode)) { _HostnameNode = new HostnameNode(Hostname, HostAuthentication, HTTPDelegate, DefaultErrorHandler); _HostnameNodes.Add(Hostname, _HostnameNode); } #endregion _HostnameNode.AddHandler(HTTPDelegate, URITemplate, HTTPMethod, HTTPContentType, URIAuthentication, HTTPMethodAuthentication, ContentTypeAuthentication, DefaultErrorHandler, AllowReplacement); } }
/// <summary> /// Add a method call back for the given URI template and /// add a HTTP Sever Sent Events source. /// </summary> /// <param name="EventIdentification">The unique identification of the event source.</param> /// <param name="URITemplate">The URI template.</param> /// /// <param name="MaxNumberOfCachedEvents">Maximum number of cached events.</param> /// <param name="RetryIntervall">The retry intervall.</param> /// <param name="LogfileName">A delegate to create a filename for storing and reloading events.</param> /// /// <param name="Hostname">The HTTP host.</param> /// <param name="HTTPMethod">The HTTP method.</param> /// <param name="HTTPContentType">The HTTP content type.</param> /// /// <param name="HostAuthentication">Whether this method needs explicit host authentication or not.</param> /// <param name="URIAuthentication">Whether this method needs explicit uri authentication or not.</param> /// <param name="HTTPMethodAuthentication">Whether this method needs explicit HTTP method authentication or not.</param> /// /// <param name="DefaultErrorHandler">The default error handler.</param> internal HTTPEventSource AddEventSource(String EventIdentification, String URITemplate, UInt32 MaxNumberOfCachedEvents = 500, TimeSpan?RetryIntervall = null, Func <String, DateTime, String> LogfileName = null, HTTPHostname Hostname = null, HTTPMethod HTTPMethod = null, HTTPContentType HTTPContentType = null, HTTPAuthentication HostAuthentication = null, HTTPAuthentication URIAuthentication = null, HTTPAuthentication HTTPMethodAuthentication = null, HTTPDelegate DefaultErrorHandler = null) { lock (Lock) { #region Get or Create Event Source HTTPEventSource _HTTPEventSource; if (!_EventSources.TryGetValue(EventIdentification, out _HTTPEventSource)) { _HTTPEventSource = _EventSources.AddAndReturnValue(EventIdentification, new HTTPEventSource(EventIdentification, MaxNumberOfCachedEvents, RetryIntervall, LogfileName)); } #endregion #region Define HTTP Delegate HTTPDelegate _HTTPDelegate = Request => { var _LastEventId = 0UL; var _Client_LastEventId = 0UL; var _EventSource = GetEventSource(EventIdentification); if (Request.TryGet <UInt64>("Last-Event-ID", out _Client_LastEventId)) { _LastEventId = _Client_LastEventId; } var _HTTPEvents = (from _HTTPEvent in _EventSource.GetAllEventsGreater(_LastEventId) where _HTTPEvent != null select _HTTPEvent.ToString()) .ToArray(); // For thread safety! // Transform HTTP events into an UTF8 string var _ResourceContent = String.Empty; if (_HTTPEvents.Length > 0) { _ResourceContent = Environment.NewLine + _HTTPEvents.Aggregate((a, b) => a + Environment.NewLine + b) + Environment.NewLine; } else { _ResourceContent += Environment.NewLine + "retry: " + ((UInt32)_EventSource.RetryIntervall.TotalMilliseconds) + Environment.NewLine + Environment.NewLine; } return(Task.FromResult <HTTPResponse>( new HTTPResponseBuilder(Request) { HTTPStatusCode = HTTPStatusCode.OK, ContentType = HTTPContentType.EVENTSTREAM, CacheControl = "no-cache", Connection = "keep-alive", KeepAlive = new KeepAliveType(TimeSpan.FromSeconds(2 * _EventSource.RetryIntervall.TotalSeconds)), Content = _ResourceContent.ToUTF8Bytes() })); }; #endregion AddHandler(_HTTPDelegate, Hostname, URITemplate, HTTPMethod ?? HTTPMethod.GET, HTTPContentType.EVENTSTREAM, HostAuthentication, URIAuthentication, HTTPMethodAuthentication, null, DefaultErrorHandler); return(_HTTPEventSource); } }
/// <summary> /// Return the best matching method handler for the given parameters. /// </summary> internal HTTPDelegate GetHandler(HTTPHostname Host, String URI, HTTPMethod HTTPMethod = null, Func <HTTPContentType[], HTTPContentType> HTTPContentTypeSelector = null, Action <IEnumerable <String> > ParsedURIParametersDelegate = null) { Host = Host ?? HTTPHostname.Any; URI = URI.IsNullOrEmpty() ? "/" : URI; HTTPMethod = HTTPMethod ?? HTTPMethod.GET; HTTPContentTypeSelector = HTTPContentTypeSelector ?? (v => HTTPContentType.HTML_UTF8); lock (Lock) { #region Get HostNode or "*" or fail HostnameNode _HostNode = null; if (!_HostnameNodes.TryGetValue(Host, out _HostNode)) { if (!_HostnameNodes.TryGetValue(HTTPHostname.Any, out _HostNode)) { return(null); } } //return GetErrorHandler(Host, URL, HTTPMethod, HTTPContentType, HTTPStatusCode.BadRequest); #endregion #region Try to find the best matching URLNode... var _RegexList = from __URLNode in _HostNode.URINodes.Values select new { URLNode = __URLNode, Regex = __URLNode.URIRegex }; var _AllTemplates = from _RegexTupel in _RegexList select new { URLNode = _RegexTupel.URLNode, Match = _RegexTupel.Regex.Match(URI) }; var _Matches = from _Match in _AllTemplates where _Match.Match.Success orderby 100 * _Match.URLNode.SortLength + _Match.URLNode.ParameterCount descending select new { URLNode = _Match.URLNode, Match = _Match.Match }; #endregion #region ...or return HostNode if (!_Matches.Any()) { //if (_HostNode.RequestHandler != null) // return _HostNode.RequestHandler; return(null); } #endregion HTTPMethodNode _HTTPMethodNode = null; ContentTypeNode _HTTPContentTypeNode = null; // Caused e.g. by the naming of the variables within the // URI templates, there could be multiple matches! //foreach (var _Match in _Matches) //{ // Use best matching URL Handler! var _Match2 = _Matches.First(); #region Copy MethodHandler Parameters var _Parameters = new List <String>(); for (var i = 1; i < _Match2.Match.Groups.Count; i++) { //_Parameters.Add(_Match2.Match.Groups[i].Value.RemoveLastSlash()); _Parameters.Add(_Match2.Match.Groups[i].Value); } var ParsedURIParametersDelegateLocal = ParsedURIParametersDelegate; if (ParsedURIParametersDelegateLocal != null) { ParsedURIParametersDelegate(_Parameters); } #endregion // If HTTPMethod was found... if (_Match2.URLNode.HTTPMethods.TryGetValue(HTTPMethod, out _HTTPMethodNode)) { var BestMatchingContentType = HTTPContentTypeSelector(_HTTPMethodNode.HTTPContentTypes.Keys.ToArray()); // Get HTTPContentTypeNode if (!_HTTPMethodNode.HTTPContentTypes.TryGetValue(BestMatchingContentType, out _HTTPContentTypeNode)) { return(_HTTPMethodNode.RequestHandler); } return(_HTTPContentTypeNode.RequestHandler); } //} // No HTTPMethod was found => return best matching URL Handler return(_Match2.URLNode.RequestHandler); //return GetErrorHandler(Host, URL, HTTPMethod, HTTPContentType, HTTPStatusCode.BadRequest); } }