-/* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include <algorithm>
\r#include "modules.h"
\r#include "httpd.h"
\r\r/* $ModDesc: Provides HTTP serving facilities to modules */
\r\rclass ModuleHttpServer;
\r\rstatic ModuleHttpServer* HttpModule;
\rstatic bool claimed;
\r\r/** HTTP socket states
\r */
\renum HttpState
\r{
\r HTTP_LISTEN = 0,
\r HTTP_SERVE_WAIT_REQUEST = 1,
\r HTTP_SERVE_RECV_POSTDATA = 2,
\r HTTP_SERVE_SEND_DATA = 3
\r};
\r\rclass HttpServerSocket;
\r\r/** This class is used to handle HTTP socket timeouts
\r */
\rclass HttpServerTimeout : public InspTimer
\r{
\r private:
\r /** HttpServerSocket we are attached to
\r */
\r HttpServerSocket* s;
\r /** Socketengine the file descriptor is in
\r */
\r SocketEngine* SE;
\r public:
\r /** Attach timeout to HttpServerSocket
\r */
\r HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine);
\r /** Handle timer tick
\r */
\r void Tick(time_t TIME);
\r};
\r\r/** A socket used for HTTP transport
\r */
\rclass HttpServerSocket : public InspSocket
\r{
\r FileReader* index;
\r HttpState InternalState;
\r std::stringstream headers;
\r std::string postdata;
\r std::string request_type;
\r std::string uri;
\r std::string http_version;
\r unsigned int postsize;
\r HttpServerTimeout* Timeout;
\r\r public:
\r\r HttpServerSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, FileReader* index_page) : InspSocket(SI, host, port, listening, maxtime), index(index_page), postsize(0)
\r {
\r InternalState = HTTP_LISTEN;
\r Timeout = NULL;
\r }
\r\r HttpServerSocket(InspIRCd* SI, int newfd, char* ip, FileReader* ind) : InspSocket(SI, newfd, ip), index(ind), postsize(0)
\r {
\r InternalState = HTTP_SERVE_WAIT_REQUEST;
\r Timeout = new HttpServerTimeout(this, Instance->SE);
\r Instance->Timers->AddTimer(Timeout);
\r }
\r\r FileReader* GetIndex()
\r {
\r return index;
\r }
\r\r ~HttpServerSocket()
\r {
\r if (Timeout)
\r {
\r if (Instance->Time() < Timeout->GetTimer())
\r Instance->Timers->DelTimer(Timeout);
\r Timeout = NULL;
\r }
\r }
\r\r virtual int OnIncomingConnection(int newsock, char* ip)
\r {
\r if (InternalState == HTTP_LISTEN)
\r {
\r HttpServerSocket* s = new HttpServerSocket(this->Instance, newsock, ip, index);
\r s = s; /* Stop GCC whining */
\r }
\r return true;
\r }
\r\r virtual void OnClose()
\r {
\r }
\r\r std::string Response(int response)
\r {
\r switch (response)
\r {
\r case 100:
\r return "CONTINUE";
\r case 101:
\r return "SWITCHING PROTOCOLS";
\r case 200:
\r return "OK";
\r case 201:
\r return "CREATED";
\r case 202:
\r return "ACCEPTED";
\r case 203:
\r return "NON-AUTHORITATIVE INFORMATION";
\r case 204:
\r return "NO CONTENT";
\r case 205:
\r return "RESET CONTENT";
\r case 206:
\r return "PARTIAL CONTENT";
\r case 300:
\r return "MULTIPLE CHOICES";
\r case 301:
\r return "MOVED PERMENANTLY";
\r case 302:
\r return "FOUND";
\r case 303:
\r return "SEE OTHER";
\r case 304:
\r return "NOT MODIFIED";
\r case 305:
\r return "USE PROXY";
\r case 307:
\r return "TEMPORARY REDIRECT";
\r case 400:
\r return "BAD REQUEST";
\r case 401:
\r return "UNAUTHORIZED";
\r case 402:
\r return "PAYMENT REQUIRED";
\r case 403:
\r return "FORBIDDEN";
\r case 404:
\r return "NOT FOUND";
\r case 405:
\r return "METHOD NOT ALLOWED";
\r case 406:
\r return "NOT ACCEPTABLE";
\r case 407:
\r return "PROXY AUTHENTICATION REQUIRED";
\r case 408:
\r return "REQUEST TIMEOUT";
\r case 409:
\r return "CONFLICT";
\r case 410:
\r return "GONE";
\r case 411:
\r return "LENGTH REQUIRED";
\r case 412:
\r return "PRECONDITION FAILED";
\r case 413:
\r return "REQUEST ENTITY TOO LARGE";
\r case 414:
\r return "REQUEST-URI TOO LONG";
\r case 415:
\r return "UNSUPPORTED MEDIA TYPE";
\r case 416:
\r return "REQUESTED RANGE NOT SATISFIABLE";
\r case 417:
\r return "EXPECTATION FAILED";
\r case 500:
\r return "INTERNAL SERVER ERROR";
\r case 501:
\r return "NOT IMPLEMENTED";
\r case 502:
\r return "BAD GATEWAY";
\r case 503:
\r return "SERVICE UNAVAILABLE";
\r case 504:
\r return "GATEWAY TIMEOUT";
\r case 505:
\r return "HTTP VERSION NOT SUPPORTED";
\r default:
\r return "WTF";
\r break;
\r \r }
\r }
\r\r void SendHeaders(unsigned long size, int response, const std::string &extraheaders)
\r {
\r time_t local = this->Instance->Time();
\r struct tm *timeinfo = gmtime(&local);
\r this->Write("HTTP/1.1 "+ConvToStr(response)+" "+Response(response)+"\r\nDate: ");
\r this->Write(asctime(timeinfo));
\r if (extraheaders.empty())
\r {
\r this->Write("Content-Type: text/html\r\n");
\r }
\r else
\r {
\r this->Write(extraheaders);
\r }
\r this->Write("Server: InspIRCd/m_httpd.so/1.1\r\nContent-Length: "+ConvToStr(size)+
\r "\r\nConnection: close\r\n\r\n");
\r }
\r\r virtual bool OnDataReady()
\r {
\r char* data = this->Read();
\r\r /* Check that the data read is a valid pointer and it has some content */
\r if (data && *data)
\r {
\r headers << data;
\r\r if (headers.str().find("\r\n\r\n") != std::string::npos)
\r {
\r if (request_type.empty())
\r {
\r headers >> request_type;
\r headers >> uri;
\r headers >> http_version;
\r\r std::transform(request_type.begin(), request_type.end(), request_type.begin(), ::toupper);
\r std::transform(http_version.begin(), http_version.end(), http_version.begin(), ::toupper);
\r }
\r\r if ((InternalState == HTTP_SERVE_WAIT_REQUEST) && (request_type == "POST"))
\r {
\r /* Do we need to fetch postdata? */
\r postdata.clear();
\r InternalState = HTTP_SERVE_RECV_POSTDATA;
\r std::string header_item;
\r while (headers >> header_item)
\r {
\r if (header_item == "Content-Length:")
\r {
\r headers >> header_item;
\r postsize = atoi(header_item.c_str());
\r }
\r }
\r if (!postsize)
\r {
\r InternalState = HTTP_SERVE_SEND_DATA;
\r SendHeaders(0, 400, "");
\r Timeout = new HttpServerTimeout(this, Instance->SE);
\r Instance->Timers->AddTimer(Timeout);
\r }
\r else
\r {
\r std::string::size_type x = headers.str().find("\r\n\r\n");
\r postdata = headers.str().substr(x+4, headers.str().length());
\r /* Get content length and store */
\r if (postdata.length() >= postsize)
\r ServeData();
\r }
\r }
\r else if (InternalState == HTTP_SERVE_RECV_POSTDATA)
\r {
\r /* Add postdata, once we have it all, send the event */
\r postdata.append(data);
\r if (postdata.length() >= postsize)
\r ServeData();
\r }
\r else
\r {
\r ServeData();
\r }
\r return true;
\r }
\r return true;
\r }
\r else
\r {
\r return false;
\r }
\r }
\r\r void ServeData()
\r {
\r /* Headers are complete */
\r InternalState = HTTP_SERVE_SEND_DATA;
\r\r Instance->Timers->DelTimer(Timeout);
\r Timeout = NULL;
\r \r if ((http_version != "HTTP/1.1") && (http_version != "HTTP/1.0"))
\r {
\r SendHeaders(0, 505, "");
\r }
\r else
\r {
\r if ((request_type == "GET") && (uri == "/"))
\r {
\r SendHeaders(index->ContentSize(), 200, "");
\r this->Write(index->Contents());
\r }
\r else
\r {
\r claimed = false;
\r HTTPRequest httpr(request_type,uri,&headers,this,this->GetIP(),postdata);
\r Event e((char*)&httpr, (Module*)HttpModule, "httpd_url");
\r e.Send(this->Instance);
\r if (!claimed)
\r {
\r SendHeaders(0, 404, "");
\r }
\r }
\r }
\r Timeout = new HttpServerTimeout(this, Instance->SE);
\r Instance->Timers->AddTimer(Timeout);
\r }
\r\r void Page(std::stringstream* n, int response, std::string& extraheaders)
\r {
\r SendHeaders(n->str().length(), response, extraheaders);
\r this->Write(n->str());
\r }
\r};
\r\rHttpServerTimeout::HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine) : InspTimer(60, time(NULL)), s(sock), SE(engine)
\r{
\r}
\r\rvoid HttpServerTimeout::Tick(time_t TIME)
\r{
\r SE->DelFd(s);
\r s->Close();
\r}
\r\rclass ModuleHttpServer : public Module
\r{
\r std::vector<HttpServerSocket*> httpsocks;
\r public:
\r\r void ReadConfig()
\r {
\r int port;
\r std::string host;
\r std::string bindip;
\r std::string indexfile;
\r FileReader* index;
\r HttpServerSocket* http;
\r ConfigReader c(ServerInstance);
\r\r httpsocks.clear();
\r\r for (int i = 0; i < c.Enumerate("http"); i++)
\r {
\r host = c.ReadValue("http", "host", i);
\r bindip = c.ReadValue("http", "ip", i);
\r port = c.ReadInteger("http", "port", i, true);
\r indexfile = c.ReadValue("http", "index", i);
\r index = new FileReader(ServerInstance, indexfile);
\r if (!index->Exists())
\r throw ModuleException("Can't read index file: "+indexfile);
\r http = new HttpServerSocket(ServerInstance, bindip, port, true, 0, index);
\r httpsocks.push_back(http);
\r }
\r }
\r\r ModuleHttpServer(InspIRCd* Me) : Module(Me)
\r {
\r ReadConfig();
\r }
\r\r void OnEvent(Event* event)
\r {
\r }
\r\r char* OnRequest(Request* request)
\r {
\r claimed = true;
\r HTTPDocument* doc = (HTTPDocument*)request->GetData();
\r HttpServerSocket* sock = (HttpServerSocket*)doc->sock;
\r sock->Page(doc->GetDocument(), doc->GetResponseCode(), doc->GetExtraHeaders());
\r return NULL;
\r }
\r\r void Implements(char* List)
\r {
\r List[I_OnEvent] = List[I_OnRequest] = 1;
\r }
\r\r virtual ~ModuleHttpServer()
\r {
\r for (size_t i = 0; i < httpsocks.size(); i++)
\r {
\r ServerInstance->SE->DelFd(httpsocks[i]);
\r delete httpsocks[i]->GetIndex();
\r delete httpsocks[i];
\r }
\r }
\r\r virtual Version GetVersion()
\r {
\r return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
\r }
\r};
\r\rMODULE_INIT(ModuleHttpServer)
\r\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include <algorithm>
+#include "modules.h"
+#include "httpd.h"
+
+/* $ModDesc: Provides HTTP serving facilities to modules */
+
+class ModuleHttpServer;
+
+static ModuleHttpServer* HttpModule;
+static bool claimed;
+
+/** HTTP socket states
+ */
+enum HttpState
+{
+ HTTP_LISTEN = 0,
+ HTTP_SERVE_WAIT_REQUEST = 1,
+ HTTP_SERVE_RECV_POSTDATA = 2,
+ HTTP_SERVE_SEND_DATA = 3
+};
+
+class HttpServerSocket;
+
+/** This class is used to handle HTTP socket timeouts
+ */
+class HttpServerTimeout : public InspTimer
+{
+ 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);
+};
+
+/** A socket used for HTTP transport
+ */
+class HttpServerSocket : public InspSocket
+{
+ FileReader* index;
+ HttpState InternalState;
+ std::stringstream headers;
+ std::string postdata;
+ std::string request_type;
+ std::string uri;
+ std::string http_version;
+ unsigned int postsize;
+ HttpServerTimeout* Timeout;
+
+ public:
+
+ HttpServerSocket(InspIRCd* SI, std::string host, int port, bool listening, unsigned long maxtime, FileReader* index_page) : InspSocket(SI, host, port, listening, maxtime), index(index_page), postsize(0)
+ {
+ InternalState = HTTP_LISTEN;
+ Timeout = NULL;
+ }
+
+ HttpServerSocket(InspIRCd* SI, int newfd, char* ip, FileReader* ind) : InspSocket(SI, newfd, ip), index(ind), postsize(0)
+ {
+ InternalState = HTTP_SERVE_WAIT_REQUEST;
+ Timeout = new HttpServerTimeout(this, Instance->SE);
+ Instance->Timers->AddTimer(Timeout);
+ }
+
+ FileReader* GetIndex()
+ {
+ return index;
+ }
+
+ ~HttpServerSocket()
+ {
+ if (Timeout)
+ {
+ if (Instance->Time() < Timeout->GetTimer())
+ Instance->Timers->DelTimer(Timeout);
+ Timeout = NULL;
+ }
+ }
+
+ virtual int OnIncomingConnection(int newsock, char* ip)
+ {
+ if (InternalState == HTTP_LISTEN)
+ {
+ HttpServerSocket* s = new HttpServerSocket(this->Instance, newsock, ip, index);
+ s = s; /* Stop GCC whining */
+ }
+ return true;
+ }
+
+ virtual void OnClose()
+ {
+ }
+
+ std::string Response(int response)
+ {
+ switch (response)
+ {
+ case 100:
+ return "CONTINUE";
+ case 101:
+ return "SWITCHING PROTOCOLS";
+ case 200:
+ return "OK";
+ case 201:
+ return "CREATED";
+ case 202:
+ return "ACCEPTED";
+ case 203:
+ return "NON-AUTHORITATIVE INFORMATION";
+ case 204:
+ return "NO CONTENT";
+ case 205:
+ return "RESET CONTENT";
+ case 206:
+ return "PARTIAL CONTENT";
+ case 300:
+ return "MULTIPLE CHOICES";
+ case 301:
+ return "MOVED PERMENANTLY";
+ case 302:
+ return "FOUND";
+ case 303:
+ return "SEE OTHER";
+ case 304:
+ return "NOT MODIFIED";
+ case 305:
+ return "USE PROXY";
+ case 307:
+ return "TEMPORARY REDIRECT";
+ case 400:
+ return "BAD REQUEST";
+ case 401:
+ return "UNAUTHORIZED";
+ case 402:
+ return "PAYMENT REQUIRED";
+ case 403:
+ return "FORBIDDEN";
+ case 404:
+ return "NOT FOUND";
+ case 405:
+ return "METHOD NOT ALLOWED";
+ case 406:
+ return "NOT ACCEPTABLE";
+ case 407:
+ return "PROXY AUTHENTICATION REQUIRED";
+ case 408:
+ return "REQUEST TIMEOUT";
+ case 409:
+ return "CONFLICT";
+ case 410:
+ return "GONE";
+ case 411:
+ return "LENGTH REQUIRED";
+ case 412:
+ return "PRECONDITION FAILED";
+ case 413:
+ return "REQUEST ENTITY TOO LARGE";
+ case 414:
+ return "REQUEST-URI TOO LONG";
+ case 415:
+ return "UNSUPPORTED MEDIA TYPE";
+ case 416:
+ return "REQUESTED RANGE NOT SATISFIABLE";
+ case 417:
+ return "EXPECTATION FAILED";
+ case 500:
+ return "INTERNAL SERVER ERROR";
+ case 501:
+ return "NOT IMPLEMENTED";
+ case 502:
+ return "BAD GATEWAY";
+ case 503:
+ return "SERVICE UNAVAILABLE";
+ case 504:
+ return "GATEWAY TIMEOUT";
+ case 505:
+ return "HTTP VERSION NOT SUPPORTED";
+ default:
+ return "WTF";
+ break;
+
+ }
+ }
+
+ void SendHeaders(unsigned long size, int response, const std::string &extraheaders)
+ {
+ time_t local = this->Instance->Time();
+ struct tm *timeinfo = gmtime(&local);
+ this->Write("HTTP/1.1 "+ConvToStr(response)+" "+Response(response)+"\r\nDate: ");
+ this->Write(asctime(timeinfo));
+ if (extraheaders.empty())
+ {
+ this->Write("Content-Type: text/html\r\n");
+ }
+ else
+ {
+ this->Write(extraheaders);
+ }
+ this->Write("Server: InspIRCd/m_httpd.so/1.1\r\nContent-Length: "+ConvToStr(size)+
+ "\r\nConnection: close\r\n\r\n");
+ }
+
+ virtual bool OnDataReady()
+ {
+ char* data = this->Read();
+
+ /* Check that the data read is a valid pointer and it has some content */
+ if (data && *data)
+ {
+ headers << data;
+
+ if (headers.str().find("\r\n\r\n") != std::string::npos)
+ {
+ if (request_type.empty())
+ {
+ headers >> request_type;
+ headers >> uri;
+ headers >> http_version;
+
+ 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 ((InternalState == HTTP_SERVE_WAIT_REQUEST) && (request_type == "POST"))
+ {
+ /* Do we need to fetch postdata? */
+ postdata.clear();
+ InternalState = HTTP_SERVE_RECV_POSTDATA;
+ std::string header_item;
+ while (headers >> header_item)
+ {
+ if (header_item == "Content-Length:")
+ {
+ headers >> header_item;
+ postsize = atoi(header_item.c_str());
+ }
+ }
+ if (!postsize)
+ {
+ InternalState = HTTP_SERVE_SEND_DATA;
+ SendHeaders(0, 400, "");
+ Timeout = new HttpServerTimeout(this, Instance->SE);
+ Instance->Timers->AddTimer(Timeout);
+ }
+ else
+ {
+ std::string::size_type x = headers.str().find("\r\n\r\n");
+ postdata = headers.str().substr(x+4, headers.str().length());
+ /* Get content length and store */
+ if (postdata.length() >= postsize)
+ ServeData();
+ }
+ }
+ else if (InternalState == HTTP_SERVE_RECV_POSTDATA)
+ {
+ /* Add postdata, once we have it all, send the event */
+ postdata.append(data);
+ if (postdata.length() >= postsize)
+ ServeData();
+ }
+ else
+ {
+ ServeData();
+ }
+ return true;
+ }
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ void ServeData()
+ {
+ /* Headers are complete */
+ InternalState = HTTP_SERVE_SEND_DATA;
+
+ Instance->Timers->DelTimer(Timeout);
+ Timeout = NULL;
+
+ if ((http_version != "HTTP/1.1") && (http_version != "HTTP/1.0"))
+ {
+ SendHeaders(0, 505, "");
+ }
+ else
+ {
+ if ((request_type == "GET") && (uri == "/"))
+ {
+ SendHeaders(index->ContentSize(), 200, "");
+ this->Write(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);
+ if (!claimed)
+ {
+ SendHeaders(0, 404, "");
+ }
+ }
+ }
+ Timeout = new HttpServerTimeout(this, Instance->SE);
+ Instance->Timers->AddTimer(Timeout);
+ }
+
+ void Page(std::stringstream* n, int response, std::string& extraheaders)
+ {
+ SendHeaders(n->str().length(), response, extraheaders);
+ this->Write(n->str());
+ }
+};
+
+HttpServerTimeout::HttpServerTimeout(HttpServerSocket* sock, SocketEngine* engine) : InspTimer(60, time(NULL)), s(sock), SE(engine)
+{
+}
+
+void HttpServerTimeout::Tick(time_t TIME)
+{
+ SE->DelFd(s);
+ s->Close();
+}
+
+class ModuleHttpServer : public Module
+{
+ std::vector<HttpServerSocket*> httpsocks;
+ public:
+
+ void ReadConfig()
+ {
+ int port;
+ std::string host;
+ std::string bindip;
+ std::string indexfile;
+ FileReader* index;
+ HttpServerSocket* http;
+ ConfigReader c(ServerInstance);
+
+ httpsocks.clear();
+
+ for (int i = 0; i < c.Enumerate("http"); i++)
+ {
+ host = c.ReadValue("http", "host", i);
+ bindip = c.ReadValue("http", "ip", i);
+ port = c.ReadInteger("http", "port", i, true);
+ indexfile = c.ReadValue("http", "index", i);
+ index = new FileReader(ServerInstance, 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);
+ }
+ }
+
+ ModuleHttpServer(InspIRCd* Me) : Module(Me)
+ {
+ ReadConfig();
+ }
+
+ void OnEvent(Event* event)
+ {
+ }
+
+ char* OnRequest(Request* request)
+ {
+ claimed = true;
+ HTTPDocument* doc = (HTTPDocument*)request->GetData();
+ HttpServerSocket* sock = (HttpServerSocket*)doc->sock;
+ sock->Page(doc->GetDocument(), doc->GetResponseCode(), doc->GetExtraHeaders());
+ return NULL;
+ }
+
+ void Implements(char* List)
+ {
+ List[I_OnEvent] = List[I_OnRequest] = 1;
+ }
+
+ virtual ~ModuleHttpServer()
+ {
+ for (size_t i = 0; i < httpsocks.size(); i++)
+ {
+ ServerInstance->SE->DelFd(httpsocks[i]);
+ delete httpsocks[i]->GetIndex();
+ delete httpsocks[i];
+ }
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
+ }
+};
+
+MODULE_INIT(ModuleHttpServer)
projects / user / henk / code / inspircd.git / blobdiff