src/modules/m_httpd_stats.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "httpd.h"
  16 #include "protocol.h"
  17
  18 /* $ModDesc: Provides statistics over HTTP via m_httpd.so */
  19
  20 class ModuleHttpStats : public Module
  21 {
  22         static std::map<char, char const*> const &entities;
  23         std::string stylesheet;
  24         bool changed;
  25
  26  public:
  27
  28         void ReadConfig()
  29         {
  30                 ConfigReader c;
  31                 this->stylesheet = c.ReadValue("httpstats", "stylesheet", 0);
  32         }
  33
  34         ModuleHttpStats()       {
  35                 ReadConfig();
  36                 this->changed = true;
  37                 Implementation eventlist[] = { I_OnEvent };
  38                 ServerInstance->Modules->Attach(eventlist, this, 1);
  39         }
  40
  41         std::string Sanitize(const std::string &str)
  42         {
  43                 std::string ret;
  44                 ret.reserve(str.length() * 2);
  45
  46                 for (std::string::const_iterator x = str.begin(); x != str.end(); ++x)
  47                 {
  48                         std::map<char, char const*>::const_iterator it = entities.find(*x);
  49
  50                         if (it != entities.end())
  51                         {
  52                                 ret += '&';
  53                                 ret += it->second;
  54                                 ret += ';';
  55                         }
  56                         else if (*x < 32 || *x > 126)
  57                         {
  58                                 int n = (unsigned char)*x;
  59                                 ret += ("&#" + ConvToStr(n) + ";");
  60                         }
  61                         else
  62                         {
  63                                 ret += *x;
  64                         }
  65                 }
  66                 return ret;
  67         }
  68
  69         void DumpMeta(std::stringstream& data, Extensible* ext)
  70         {
  71                 data << "<metadata>";
  72                 for(Extensible::ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); i++)
  73                 {
  74                         ExtensionItem* item = i->first;
  75                         std::string value = item->serialize(FORMAT_USER, ext, i->second);
  76                         if (!value.empty())
  77                                 data << "<meta name=\"" << item->key << "\">" << Sanitize(value) << "</meta>";
  78                         else if (!item->key.empty())
  79                                 data << "<meta name=\"" << item->key << "\"/>";
  80                 }
  81                 data << "</metadata>";
  82         }
  83
  84         void OnEvent(Event& event)
  85         {
  86                 std::stringstream data("");
  87
  88                 if (event.id == "httpd_url")
  89                 {
  90                         ServerInstance->Logs->Log("m_http_stats", DEBUG,"Handling httpd event");
  91                         HTTPRequest* http = (HTTPRequest*)&event;
  92
  93                         if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
  94                         {
  95                                 data << "<inspircdstats>";
  96
  97                                 data << "<server><name>" << ServerInstance->Config->ServerName << "</name><gecos>"
  98                                         << Sanitize(ServerInstance->Config->ServerDesc) << "</gecos><version>"
  99                                         << Sanitize(ServerInstance->GetVersionString()) << "</version></server>";
 100
 101                                 data << "<general>";
 102                                 data << "<usercount>" << ServerInstance->Users->clientlist->size() << "</usercount>";
 103                                 data << "<channelcount>" << ServerInstance->chanlist->size() << "</channelcount>";
 104                                 data << "<opercount>" << ServerInstance->Users->all_opers.size() << "</opercount>";
 105                                 data << "<socketcount>" << (ServerInstance->SE->GetUsedFds()) << "</socketcount><socketmax>" << ServerInstance->SE->GetMaxFds() << "</socketmax><socketengine>" << ServerInstance->SE->GetName() << "</socketengine>";
 106
 107                                 time_t current_time = 0;
 108                                 current_time = ServerInstance->Time();
 109                                 time_t server_uptime = current_time - ServerInstance->startup_time;
 110                                 struct tm* stime;
 111                                 stime = gmtime(&server_uptime);
 112                                 data << "<uptime><days>" << stime->tm_yday << "</days><hours>" << stime->tm_hour << "</hours><mins>" << stime->tm_min << "</mins><secs>" << stime->tm_sec << "</secs><boot_time_t>" << ServerInstance->startup_time << "</boot_time_t></uptime>";
 113
 114                                 data << "<isupport>" << Sanitize(ServerInstance->Config->data005) << "</isupport></general>";
 115                                 data << "<modulelist>";
 116                                 std::vector<std::string> module_names = ServerInstance->Modules->GetAllModuleNames(0);
 117
 118                                 for (std::vector<std::string>::iterator i = module_names.begin(); i != module_names.end(); ++i)
 119                                 {
 120                                         Module* m = ServerInstance->Modules->Find(i->c_str());
 121                                         Version v = m->GetVersion();
 122                                         data << "<module><name>" << *i << "</name><version>" << v.version << "</version><description>" << Sanitize(v.description) << "</description></module>";
 123                                 }
 124                                 data << "</modulelist>";
 125                                 data << "<channellist>";
 126
 127                                 for (chan_hash::const_iterator a = ServerInstance->chanlist->begin(); a != ServerInstance->chanlist->end(); ++a)
 128                                 {
 129                                         Channel* c = a->second;
 130
 131                                         data << "<channel>";
 132                                         data << "<usercount>" << c->GetUsers()->size() << "</usercount><channelname>" << c->name << "</channelname>";
 133                                         data << "<channeltopic>";
 134                                         data << "<topictext>" << Sanitize(c->topic) << "</topictext>";
 135                                         data << "<setby>" << Sanitize(c->setby) << "</setby>";
 136                                         data << "<settime>" << c->topicset << "</settime>";
 137                                         data << "</channeltopic>";
 138                                         data << "<channelmodes>" << Sanitize(c->ChanModes(true)) << "</channelmodes>";
 139                                         const UserMembList* ulist = c->GetUsers();
 140
 141                                         for (UserMembCIter x = ulist->begin(); x != ulist->end(); ++x)
 142                                         {
 143                                                 Membership* memb = x->second;
 144                                                 data << "<channelmember><uid>" << memb->user->uuid << "</uid><privs>"
 145                                                         << Sanitize(c->GetAllPrefixChars(x->first)) << "</privs><modes>"
 146                                                         << memb->modes << "</modes>";
 147                                                 DumpMeta(data, memb);
 148                                                 data << "</channelmember>";
 149                                         }
 150
 151                                         DumpMeta(data, c);
 152
 153                                         data << "</channel>";
 154                                 }
 155
 156                                 data << "</channellist><userlist>";
 157
 158                                 for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); ++a)
 159                                 {
 160                                         User* u = a->second;
 161
 162                                         data << "<user>";
 163                                         data << "<nickname>" << u->nick << "</nickname><uuid>" << u->uuid << "</uuid><realhost>"
 164                                                 << u->host << "</realhost><displayhost>" << u->dhost << "</displayhost><gecos>"
 165                                                 << Sanitize(u->fullname) << "</gecos><server>" << u->server << "</server>";
 166                                         if (IS_AWAY(u))
 167                                                 data << "<away>" << Sanitize(u->awaymsg) << "</away><awaytime>" << u->awaytime << "</awaytime>";
 168                                         if (IS_OPER(u))
 169                                                 data << "<opertype>" << Sanitize(u->oper->NameStr()) << "</opertype>";
 170                                         data << "<modes>" << u->FormatModes() << "</modes><ident>" << Sanitize(u->ident) << "</ident>";
 171                                         LocalUser* lu = IS_LOCAL(u);
 172                                         if (lu)
 173                                                 data << "<port>" << lu->GetServerPort() << "</port><servaddr>"
 174                                                         << irc::sockets::satouser(&lu->server_sa) << "</servaddr>";
 175                                         data << "<ipaddress>" << u->GetIPString() << "</ipaddress>";
 176
 177                                         DumpMeta(data, u);
 178
 179                                         data << "</user>";
 180                                 }
 181
 182                                 data << "</userlist><serverlist>";
 183
 184                                 ProtoServerList sl;
 185                                 ServerInstance->PI->GetServerList(sl);
 186
 187                                 for (ProtoServerList::iterator b = sl.begin(); b != sl.end(); ++b)
 188                                 {
 189                                         data << "<server>";
 190                                         data << "<servername>" << b->servername << "</servername>";
 191                                         data << "<parentname>" << b->parentname << "</parentname>";
 192                                         data << "<gecos>" << b->gecos << "</gecos>";
 193                                         data << "<usercount>" << b->usercount << "</usercount>";
 194 // This is currently not implemented, so, commented out.
 195 //                                      data << "<opercount>" << b->opercount << "</opercount>";
 196                                         data << "<lagmillisecs>" << b->latencyms << "</lagmillisecs>";
 197                                         data << "</server>";
 198                                 }
 199
 200                                 data << "</serverlist>";
 201
 202                                 data << "</inspircdstats>";
 203
 204                                 /* Send the document back to m_httpd */
 205                                 HTTPDocumentResponse response(this, *http, &data, 200);
 206                                 response.headers.SetHeader("X-Powered-By", "m_httpd_stats.so");
 207                                 response.headers.SetHeader("Content-Type", "text/xml");
 208                                 response.Send();
 209                         }
 210                 }
 211         }
 212
 213         virtual ~ModuleHttpStats()
 214         {
 215         }
 216
 217         virtual Version GetVersion()
 218         {
 219                 return Version("Provides statistics over HTTP via m_httpd.so", VF_VENDOR);
 220         }
 221 };
 222
 223 static std::map<char, char const*> const &init_entities()
 224 {
 225         static std::map<char, char const*> entities;
 226         entities['<'] = "lt";
 227         entities['>'] = "gt";
 228         entities['&'] = "amp";
 229         entities['"'] = "quot";
 230         return entities;
 231 }
 232
 233 std::map<char, char const*> const &ModuleHttpStats::entities = init_entities ();
 234
 235 MODULE_INIT(ModuleHttpStats)