1 files changed, 419 insertions, 1 deletions

diff --git a/src/modules/m_httpd.cpp b/src/modules/m_httpd.cpp
index 6ff80ad80..8494863a3 100644
--- a/src/modules/m_httpd.cpp
+++ b/src/modules/m_httpd.cpp
@@ -1 +1,419 @@
-/*       +------------------------------------+
 *       | 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)
\ 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)