]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_httpd.cpp
Remove InspIRCd* parameters and fields
[user/henk/code/inspircd.git] / src / modules / m_httpd.cpp
index 56a24119f254b7ebfb3e9a4d35815af88b80d923..e9d05d3e54c11c93fd63efb4cfd894466ff8c5d1 100644 (file)
@@ -2,8 +2,8 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
@@ -26,32 +26,9 @@ static bool claimed;
  */
 enum HttpState
 {
-       HTTP_LISTEN = 0,
-       HTTP_SERVE_WAIT_REQUEST = 1, /* Waiting for a full request */
-       HTTP_SERVE_RECV_POSTDATA = 2, /* Waiting to finish recieving POST data */
-       HTTP_SERVE_SEND_DATA = 3 /* Sending response */
-};
-
-class HttpServerSocket;
-
-/** This class is used to handle HTTP socket timeouts
- */
-class HttpServerTimeout : public Timer
-{
- private:
-       /** HttpServerSocket we are attached to
-        */
-       HttpServerSocket* s;
-       /** Socketengine the file descriptor is in
-        */
-       SocketEngine* SE;
- public:
-       /** Attach timeout to HttpServerSocket
-        */
-       HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine);
-       /** Handle timer tick
-        */
-       void Tick(time_t TIME);
+       HTTP_SERVE_WAIT_REQUEST = 0, /* Waiting for a full request */
+       HTTP_SERVE_RECV_POSTDATA = 1, /* Waiting to finish recieving POST data */
+       HTTP_SERVE_SEND_DATA = 2 /* Sending response */
 };
 
 /** A socket used for HTTP transport
@@ -60,7 +37,8 @@ class HttpServerSocket : public BufferedSocket
 {
        FileReader* index;
        HttpState InternalState;
-       
+       std::string ip;
+
        HTTPHeaders headers;
        std::string reqbuffer;
        std::string postdata;
@@ -68,25 +46,13 @@ class HttpServerSocket : public BufferedSocket
        std::string request_type;
        std::string uri;
        std::string http_version;
-       bool keepalive;
-       
-       HttpServerTimeout* Timeout;
-       bool DataSinceLastTick;
-       friend class HttpServerTimeout;
-       
- public:
 
-       HttpServerSocket(InspIRCd* SI, std::string shost, int iport, bool listening, unsigned long maxtime, FileReader* index_page) : BufferedSocket(SI, shost, iport, listening, maxtime), index(index_page), postsize(0)
-       {
-               InternalState = HTTP_LISTEN;
-               Timeout = NULL;
-       }
+ public:
 
-       HttpServerSocket(InspIRCd* SI, int newfd, char* ip, FileReader* ind) : BufferedSocket(SI, newfd, ip), index(ind), postsize(0), keepalive(false), DataSinceLastTick(false)
+       HttpServerSocket(int newfd, const char* IP, FileReader* ind)
+               : BufferedSocket(newfd), index(ind), ip(IP), postsize(0)
        {
                InternalState = HTTP_SERVE_WAIT_REQUEST;
-               Timeout = new HttpServerTimeout(this, Instance->SE);
-               Instance->Timers->AddTimer(Timeout);
        }
 
        FileReader* GetIndex()
@@ -96,38 +62,9 @@ class HttpServerSocket : public BufferedSocket
 
        ~HttpServerSocket()
        {
-               if (Timeout)
-               {
-                       if (Instance->Time() < Timeout->GetTimer())
-                               Instance->Timers->DelTimer(Timeout);
-                       Timeout = NULL;
-               }
-       }
-       
-       void ResetRequest()
-       {
-               headers.Clear();
-               postdata.clear();
-               postsize = 0;
-               request_type.clear();
-               uri.clear();
-               http_version.clear();
-               InternalState = HTTP_SERVE_WAIT_REQUEST;
-               
-               if (reqbuffer.size())
-                       CheckRequestBuffer();
-       }
-       
-       virtual int OnIncomingConnection(int newsock, char* ip)
-       {
-               if (InternalState == HTTP_LISTEN)
-               {
-                       new HttpServerSocket(this->Instance, newsock, ip, index);
-               }
-               return true;
        }
 
-       virtual void OnClose()
+       virtual void OnError(BufferedSocketError)
        {
        }
 
@@ -218,152 +155,131 @@ class HttpServerSocket : public BufferedSocket
                        default:
                                return "WTF";
                        break;
-                               
+
                }
        }
-       
+
        void SendHTTPError(int response)
        {
                HTTPHeaders empty;
                std::string data = "<html><head></head><body>Server error "+ConvToStr(response)+": "+Response(response)+"<br>"+
                                   "<small>Powered by <a href='http://www.inspircd.org'>InspIRCd</a></small></body></html>";
-               
+
                SendHeaders(data.length(), response, empty);
-               this->Write(data);
-               
-               if (keepalive)
-                       ResetRequest();
+               WriteData(data);
        }
-       
+
        void SendHeaders(unsigned long size, int response, HTTPHeaders &rheaders)
        {
 
-               this->Write(http_version + " "+ConvToStr(response)+" "+Response(response)+"\r\n");
+               WriteData(http_version + " "+ConvToStr(response)+" "+Response(response)+"\r\n");
 
-               time_t local = this->Instance->Time();
+               time_t local = ServerInstance->Time();
                struct tm *timeinfo = gmtime(&local);
                char *date = asctime(timeinfo);
                date[strlen(date) - 1] = '\0';
                rheaders.CreateHeader("Date", date);
-               
-               rheaders.CreateHeader("Server", "InspIRCd/m_httpd.so/1.1");
+
+               rheaders.CreateHeader("Server", "InspIRCd/m_httpd.so/1.2");
                rheaders.SetHeader("Content-Length", ConvToStr(size));
-               
+
                if (size)
                        rheaders.CreateHeader("Content-Type", "text/html");
                else
                        rheaders.RemoveHeader("Content-Type");
-               
-               if (rheaders.GetHeader("Connection") == "Close")
-                       keepalive = false;
-               else if (rheaders.GetHeader("Connection") == "Keep-Alive" && !headers.IsSet("Connection"))
-                       keepalive = true;
-               else if (!rheaders.IsSet("Connection") && !keepalive)
-                       rheaders.SetHeader("Connection", "Close");
-               
-               this->Write(rheaders.GetFormattedHeaders());
-               this->Write("\r\n");
-               
-               if (!size && keepalive)
-                       ResetRequest();
+
+               /* Supporting Connection: keep-alive causes a whole world of hurt syncronizing timeouts,
+                * so remove it, its not essential for what we need.
+                */
+               rheaders.SetHeader("Connection", "Close");
+
+               WriteData(rheaders.GetFormattedHeaders());
+               WriteData("\r\n");
        }
 
-       virtual bool OnDataReady()
+       void OnDataReady()
        {
-               const char* data = this->Read();
-
-               /* Check that the data read is a valid pointer and it has some content */
-               if (!data || !*data)
-                       return false;
-               
-               DataSinceLastTick = true;
-               
                if (InternalState == HTTP_SERVE_RECV_POSTDATA)
                {
-                       postdata.append(data);
+                       postdata.append(recvq);
                        if (postdata.length() >= postsize)
                                ServeData();
                }
                else
                {
-                       reqbuffer.append(data);
-                       
+                       reqbuffer.append(recvq);
+
                        if (reqbuffer.length() >= 8192)
                        {
-                               Instance->Log(DEBUG, "m_httpd dropped connection due to an oversized request buffer");
+                               ServerInstance->Logs->Log("m_httpd",DEBUG, "m_httpd dropped connection due to an oversized request buffer");
                                reqbuffer.clear();
-                               return false;
+                               SetError("Buffer");
                        }
-                       
+
                        if (InternalState == HTTP_SERVE_WAIT_REQUEST)
                                CheckRequestBuffer();
                }
-               
-               return true;
        }
-       
+
        void CheckRequestBuffer()
        {
                std::string::size_type reqend = reqbuffer.find("\r\n\r\n");
                if (reqend == std::string::npos)
                        return;
-               
+
                // We have the headers; parse them all
                std::string::size_type hbegin = 0, hend;
                while ((hend = reqbuffer.find("\r\n", hbegin)) != std::string::npos)
                {
                        if (hbegin == hend)
                                break;
-                       
+
                        if (request_type.empty())
                        {
                                std::istringstream cheader(std::string(reqbuffer, hbegin, hend - hbegin));
                                cheader >> request_type;
                                cheader >> uri;
                                cheader >> http_version;
-                               
+
                                if (request_type.empty() || uri.empty() || http_version.empty())
                                {
                                        SendHTTPError(400);
                                        return;
                                }
-                               
+
                                hbegin = hend + 2;
                                continue;
                        }
-                       
+
                        std::string cheader = reqbuffer.substr(hbegin, hend - hbegin);
-                       
+
                        std::string::size_type fieldsep = cheader.find(':');
                        if ((fieldsep == std::string::npos) || (fieldsep == 0) || (fieldsep == cheader.length() - 1))
                        {
                                SendHTTPError(400);
                                return;
                        }
-                       
+
                        headers.SetHeader(cheader.substr(0, fieldsep), cheader.substr(fieldsep + 2));
-                       
+
                        hbegin = hend + 2;
                }
-               
+
                reqbuffer.erase(0, reqend + 4);
-               
+
                std::transform(request_type.begin(), request_type.end(), request_type.begin(), ::toupper);
                std::transform(http_version.begin(), http_version.end(), http_version.begin(), ::toupper);
-               
+
                if ((http_version != "HTTP/1.1") && (http_version != "HTTP/1.0"))
                {
                        SendHTTPError(505);
                        return;
                }
-               
-               if (strcasecmp(headers.GetHeader("Connection").c_str(), "keep-alive") == 0)
-                       keepalive = true;
-               
+
                if (headers.IsSet("Content-Length") && (postsize = atoi(headers.GetHeader("Content-Length").c_str())) != 0)
                {
                        InternalState = HTTP_SERVE_RECV_POSTDATA;
-                       
+
                        if (reqbuffer.length() >= postsize)
                        {
                                postdata = reqbuffer.substr(0, postsize);
@@ -374,13 +290,13 @@ class HttpServerSocket : public BufferedSocket
                                postdata = reqbuffer;
                                reqbuffer.clear();
                        }
-                       
+
                        if (postdata.length() >= postsize)
                                ServeData();
-                       
+
                        return;
                }
-               
+
                ServeData();
        }
 
@@ -392,17 +308,22 @@ class HttpServerSocket : public BufferedSocket
                {
                        HTTPHeaders empty;
                        SendHeaders(index->ContentSize(), 200, empty);
-                       this->Write(index->Contents());
+                       WriteData(index->Contents());
                }
                else
                {
                        claimed = false;
-                       HTTPRequest httpr(request_type,uri,&headers,this,this->GetIP(),postdata);
-                       Event e((char*)&httpr, (Module*)HttpModule, "httpd_url");
-                       e.Send(this->Instance);
+                       HTTPRequest httpr(request_type,uri,&headers,this,ip,postdata);
+                       Event acl((char*)&httpr, (Module*)HttpModule, "httpd_acl");
+                       acl.Send();
                        if (!claimed)
                        {
-                               SendHTTPError(404);
+                               Event e((char*)&httpr, (Module*)HttpModule, "httpd_url");
+                               e.Send();
+                               if (!claimed)
+                               {
+                                       SendHTTPError(404);
+                               }
                        }
                }
        }
@@ -410,38 +331,35 @@ class HttpServerSocket : public BufferedSocket
        void Page(std::stringstream* n, int response, HTTPHeaders *hheaders)
        {
                SendHeaders(n->str().length(), response, *hheaders);
-               this->Write(n->str());
-               
-               if (!keepalive)
-               {
-                       Instance->SE->DelFd(this);
-                       this->Close();
-               }
-               else
-                       this->ResetRequest();
+               WriteData(n->str());
        }
 };
 
-HttpServerTimeout::HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine) : Timer(15, time(NULL), true), s(sock), SE(engine)
+/** Spawn HTTP sockets from a listener
+ */
+class HttpListener : public ListenSocketBase
 {
-}
+       FileReader* index;
 
-void HttpServerTimeout::Tick(time_t TIME)
-{
-       if (!s->DataSinceLastTick)
+ public:
+       HttpListener(FileReader *idx, int port, const std::string &addr) : ListenSocketBase(port, addr)
+       {
+               this->index = idx;
+       }
+
+       virtual void OnAcceptReady(int nfd)
        {
-               SE->DelFd(s);
-               s->Close();
-               s->Timeout = NULL;
-               this->CancelRepeat();
+               int port;
+               std::string incomingip;
+               irc::sockets::satoap(&client, incomingip, port);
+               new HttpServerSocket(nfd, incomingip.c_str(), index);
        }
-       else
-               s->DataSinceLastTick = false;
-}
+};
 
 class ModuleHttpServer : public Module
 {
-       std::vector<HttpServerSocket*> httpsocks;
+       std::vector<HttpServerSocket *> httpsocks;
+       std::vector<HttpListener *> httplisteners;
  public:
 
        void ReadConfig()
@@ -451,10 +369,11 @@ class ModuleHttpServer : public Module
                std::string bindip;
                std::string indexfile;
                FileReader* index;
-               HttpServerSocket* http;
-               ConfigReader c(ServerInstance);
+               HttpListener *http;
+               ConfigReader c;
 
-               httpsocks.clear();
+               httpsocks.clear(); // XXX this will BREAK if this module is made rehashable
+               httplisteners.clear();
 
                for (int i = 0; i < c.Enumerate("http"); i++)
                {
@@ -462,16 +381,15 @@ class ModuleHttpServer : public Module
                        bindip = c.ReadValue("http", "ip", i);
                        port = c.ReadInteger("http", "port", i, true);
                        indexfile = c.ReadValue("http", "index", i);
-                       index = new FileReader(ServerInstance, indexfile);
+                       index = new FileReader(indexfile);
                        if (!index->Exists())
                                throw ModuleException("Can't read index file: "+indexfile);
-                       http = new HttpServerSocket(ServerInstance, bindip, port, true, 0, index);
-                       httpsocks.push_back(http);
+                       http = new HttpListener(index, port, (char *)bindip.c_str()); // XXX this cast SUCKS.
+                       httplisteners.push_back(http);
                }
        }
 
-       ModuleHttpServer(InspIRCd* Me) : Module(Me)
-       {
+       ModuleHttpServer()      {
                ReadConfig();
                HttpModule = this;
                Implementation eventlist[] = { I_OnRequest };
@@ -490,18 +408,22 @@ class ModuleHttpServer : public Module
 
        virtual ~ModuleHttpServer()
        {
+               for (size_t i = 0; i < httplisteners.size(); i++)
+               {
+                       delete httplisteners[i];
+               }
+
                for (size_t i = 0; i < httpsocks.size(); i++)
                {
                        ServerInstance->SE->DelFd(httpsocks[i]);
                        httpsocks[i]->Close();
                        delete httpsocks[i]->GetIndex();
                }
-               ServerInstance->BufferedSocketCull();
        }
 
        virtual Version GetVersion()
        {
-               return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
+               return Version("Provides HTTP serving facilities to modules", VF_VENDOR | VF_SERVICEPROVIDER, API_VERSION);
        }
 };