internal virtual void create_env_vars(StringDictionary env_collection, http_message msg) {
http_request req = msg.Request;
http_response res = msg.Response;
DataAccessLayer d = msg.data_layer;
String allheader = "";
//Requirements for POST DATA
if (req.Header.Verb == "POST" | req.Header.Verb == "PUT")
{
env_collection.Add("CONTENT_LENGTH", req.Body.Length.ToString());
env_collection.Add("CONTENT_TYPE",req.Header.GetValue("Content-Type"));
}
// TODO: if you ever implement http authentication or authorization these will need to be adjusted.
env_collection.Add("AUTH_TYPE", "");
env_collection.Add("AUTH_USER", "");
env_collection.Add("REMOTE_USER", "");
//Setup for "ALL_HTTP"
foreach(String key in req.Header.Values.Keys)
{
allheader += String.Format("{0}: {1}\r\n",
"HTTP_" +key.Replace("-","_").ToUpper(),
req.Header.GetValue(key));
env_collection.Add("HTTP_" +key.Replace("-","_").ToUpper(),
req.Header.GetValue(key));
}
env_collection.Add("ALL_HTTP",allheader);
env_collection.Add("ALL_RAW",req.Header.ToString());
env_collection.Add("REQUEST_METHOD", req.Header.Verb.ToUpper());
env_collection.Add("REQUEST_URI", req.Header.Target);
env_collection.Add("SCRIPT_NAME", req.script_name);
env_collection.Add("REMOTE_ADDR",((IPEndPoint)req.Connection.Client.RemoteEndPoint).Address.ToString());
env_collection.Add("REMOTE_PORT", ((IPEndPoint)req.Connection.Client.RemoteEndPoint).Port.ToString ());
env_collection.Add("QUERY_STRING", req.Uri.Query.Replace("?",""));
// TODO: This is a may not alway produce the proper result. PATH_INFO
// is intended to be the part of the path that is left over when
// the scriptname is part of the path i.e https://test.com/index.php/more/path.
// In this example case /more/path would be the PATH_INFO.
env_collection.Add("PATH_INFO", req.Uri.AbsolutePath.Replace(req.script_name,""));
if(msg.ClientStream is SslStream) {
env_collection.Add("SCHEME", "https");
} else {
env_collection.Add("SCHEME", "http");
}
env_collection.Add("REDIRECT_STATUS", res.Header.Statuscode);
env_collection.Add("GATEWAY_INTERFACE","CGI/1.1");
env_collection.Add("SERVER_PROTOCOL",res.Header.Httpversion);
env_collection.Add("COOKIES",req.Header.Cookie);
env_collection.Add("SERVER_PORT",req.Uri.Port.ToString());
env_collection.Add("SERVER_NAME",req.Header.Host);
env_collection.Add("SERVER_SOFTWARE",res.Header.Server);
env_collection.Add("SCRIPT_FILENAME", ((FileDataAccessLayer)d).GetFullPath(req.script_name));
}
internal virtual void worker_DoWork(Object arg)
{
http_message msg = new http_message();
object[] args = (object[])arg;
connection cc = (connection)args[0];
try
{
webserver_plugin_manager scripters = (webserver_plugin_manager)args[1];
msg.ClientConnection = cc;
msg.data_layer = _dataLayer;
msg.ClientEndpoint = cc.Client.Client.RemoteEndPoint;
msg.Status = "REQ";
msg.Request = new http_request();
msg.Request.Initialize(msg.ClientConnection);
worker_ProgressChanged(0, msg);
// Redirect these to fix releative path issues
if (_dataLayer.DirectoryExists (msg.Request.script_name) && !msg.Request.script_name.EndsWith ("/")) {
msg.Response = http_response.Create(msg,true);
msg.Response.Header.Statuscode = "301";
msg.Response.Header.Statusmessage = "Moved";
msg.Response.Header.SetValue ("Location", msg.Request.script_name + "/");
msg.Response.Header.ContentLength = 0;
msg.Response.Respond(msg.ClientConnection.Client,msg.ClientStream);
msg.Status = "FIN";
cc.Processing = false;
return;
}
msg.Status = "DIR";
msg.Response = http_response.Create(msg,true);
_directives.process(new object[]{msg.Request,msg.Response,_dataLayer});
msg.Status = "RAM";
if(!scripters.process(new object[] {msg})) {
// If you are here then no "scripter" processed the request so
// we had better do it.
msg.Status = "RES";
msg.Response = http_response.Create(msg, false);
msg.Response.Respond(msg.ClientConnection.Client, msg.ClientStream);
}
msg.Status = "FIN";
cc.processing = false;
}
catch (Exception ex)
{
msg.Status = "ERR";
#if DEBUG
Console.Error.WriteLine(ex.Message);
Console.Error.WriteLine(ex.StackTrace);
#endif
if(ex is http_exception) {
http_exception he = (http_exception)ex;
msg.Response = he.response;
try{he.send_response(msg.ClientConnection.Client,msg.ClientStream);}catch{}
if(he.close_client_connection) {
msg.ClientConnection.Client.Client.Disconnect(false);
msg.ClientConnection = null;
}
} else {
if(msg.Request != null) {
msg.Response = http_response.CreateBasic(msg.Request,500);
msg.Response.Header.SetValue(
"Server",
String.Format("{0}/{1}",Assembly.GetEntryAssembly().GetName().Name,Assembly.GetEntryAssembly().GetName().Version));
msg.Response.Header.SetValue("ContentType","text/html");
msg.Response.Header.SetValue("Cache-Control","no-cache");
msg.Response.Body = new MemoryStream(Encoding.Default.GetBytes(http_function.CreateBasicHTML(ex.ToString())));
msg.Response.Header.SetValue("Content-Length", msg.Response.Body.Length.ToString());
http_function.SendBasicHtml(msg.ClientStream,msg.Response);
} else {
msg.ClientConnection.Client.Client.Disconnect(false);
msg.ClientConnection = null;
}
}
}
cc.processing = false;
}
public static http_response Create(http_message msg, Boolean basic)
{
http_request req = msg.Request;
http_response res = CreateBasic(req,200);
DataAccessLayer d = msg.data_layer;
String targetfile = HttpUtility.UrlDecode(req.Uri.AbsolutePath);
if (basic)
return res;
// TODO: Support these as test cases come up...
if (req.Header.Verb == "CONNECT" || req.Header.Verb == "OPTIONS" ||
req.Header.Verb == "DELETE" || req.Header.Verb == "PUT" || req.Header.Verb == "TRACE" || req.Header.Verb == "POST" ) {
#if DEBUG
Console.Error.WriteLine("Unsupported Method: " + req.Header.Verb);
#endif
res = CreateBasic(req,501);
res.Header.ContentType = "text/plain; charset=" + Encoding.Default.WebName.ToUpper();
byte[] body = Encoding.Default.GetBytes (res.Header.Statusmessage);
res.Body.Write (body, 0, body.Length);
res.Header.ContentLength = Convert.ToInt32 (res.Body.Length);
return res;
}
if (d.DirectoryExists (targetfile)) {
foreach (string index_file in _index_files) {
if (d.FileExists (d.PathCombine (targetfile, index_file))) {
req.Uri = new HttpUri (HttpUtility.UrlDecode (req.Uri.OriginalString).Replace (targetfile, d.URLPathCombine (req.Uri.AbsolutePath, index_file)));
if(msg.ClientStream is SslStream)
req.Header.Referer = "https://" + req.Header.Host + targetfile;
else
req.Header.Referer = "http://" + req.Header.Host + targetfile;
targetfile = HttpUtility.UrlDecode (req.Uri.AbsolutePath);
req.Header.Target = targetfile;
break;
}
}
}
if (d.DirectoryExists(targetfile))
{
if (_allow_directory_browsing) {
res.Header.Statuscode = "200";
res.Header.Statusmessage = "OK";
res.Header.SetValue("Cache-Control","no-cache");
res.Header.SetValue ("Content-Type", "text/html; charset=" + Encoding.Default.WebName.ToUpper());
String body = "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n<head>\n <meta http-equiv=\"Content-Type\" content=\"text/html; charset=" +
Encoding.Default.WebName + "\" />\n</head>\n<body>\n";
String[] files = d.GetFiles (targetfile);
String scheme = "http://";
if(msg.ClientStream is SslStream)
scheme = "https://";
foreach (String file in files) {
body += String.Format ("<a href=\"{0}\">{1}</a><br>\n", scheme + req.Header.Host + "/" + HttpUtility.UrlEncode (d.URLPathCombine("",file)).Replace ("%2f", "/"), Path.GetFileName (file));
}
body += "\n</body>\n</html>";
byte[] bytes = Encoding.Default.GetBytes (body);
res.Header.SetValue ("Content-Length", bytes.Length.ToString ());
res.Body.Write (bytes, 0, (int)bytes.Length);
res.End = (int)bytes.Length;
} else {
throw new http_exception(req,"Direcotry browsing is not permitted.",null,403);
}
}
else if(d.FileExists(targetfile)) {
if(!_disable_cache && req.Header.Values.ContainsKey("If-Modified-Since") &&
DateTime.Parse(req.Header.GetValue("If-Modified-Since")).ToUniversalTime() ==
d.GetFileDate(targetfile)) {
res.Header.Statuscode = "304";
res.Header.Statusmessage = "Not Modified";
res.Header.SetValue("Expires", DateTime.Now.AddDays(1).ToString("r"));
res.Header.SetValue("Cache-Control","public must-revalidate max-age=3600");
res.Header.SetValue("Last-Modified",d.GetFileDate(targetfile).ToString("r"));
res.Header.ContentLength = 0;
}
else if (req.Header.Values.ContainsKey ("Range")) {
res.Body = d.GetFile(targetfile);
res.Header.Statuscode = "206";
res.Header.Statusmessage = "Partial Content";
string range = req.Header.GetValue ("Range");
string[] rangesplit = range.Split (new string[] { "=", "-" }, StringSplitOptions.RemoveEmptyEntries);
if (rangesplit.Length > 0 && rangesplit [0].ToLower () != "bytes")
throw new http_exception (req,"Range only accepted in bytes!",null,406);
if (rangesplit.Length > 1 && rangesplit [1] != null)
res.Start = Convert.ToInt32 (rangesplit [1]);
if (rangesplit.Length > 2 && rangesplit [2] != null) {
res.End = Convert.ToInt32 (rangesplit [2]);
}
else {
res.End = res.Body.Length;
}
res.Header.ContentLength = Convert.ToInt32 (res.End - res.Start);
res.Header.SetValue("Content-Range",
String.Format("bytes {0}-{1}/{2}",res.Start, res.End -1,res.End));
}
else {
res.Body = d.GetFile(targetfile);
if(res.Body.Length > 1024 * 1024) {
res.Header.SetValue("Accept-Ranges","bytes");
}
res.Header.Statuscode = "200";
res.Header.Statusmessage = "OK";
if(!_disable_cache) {
res.Header.SetValue("Expires", DateTime.Now.AddDays(1).ToString("r"));
res.Header.SetValue("Cache-Control","public must-revalidate max-age=3600");
res.Header.SetValue("Last-Modified",d.GetFileDate(targetfile).ToString("r"));
}
else
res.Header.SetValue("Cache-Control","no-cache");
res.End = res.Body.Length;
res.Header.ContentLength = Convert.ToInt32(res.Body.Length);
}
string ext = Path.GetExtension(req.Uri.AbsolutePath);
res.Header.ContentType = mime_types.GetMimeType(ext);
}
else
{
throw new http_exception(
req,
String.Format("{0} was not found on this server",req.Header.Target),
null,404);
}
return res;
}
