/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* 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.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "account.h"
#include "u_listmode.h"
/* $ModDesc: Povides support for ircu-style services accounts, including chmode +R, etc. */
/** Channel mode +r - mark a channel as identified
*/
class Channel_r : public ModeHandler
{
public:
Channel_r(InspIRCd* Instance) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_CHANNEL, false) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool)
{
// only a u-lined server may add or remove the +r mode.
if (IS_REMOTE(source) || ServerInstance->ULine(source->nick.c_str()) || ServerInstance->ULine(source->server))
{
// Only change the mode if it's not redundant
if ((adding && !channel->IsModeSet('r')) || (!adding && channel->IsModeSet('r')))
{
channel->SetMode('r',adding);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
else
{
source->WriteNumeric(500, "%s :Only a server may modify the +r channel mode", source->nick.c_str());
return MODEACTION_DENY;
}
}
};
/** User mode +r - mark a user as identified
*/
class User_r : public ModeHandler
{
public:
User_r(InspIRCd* Instance) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_USER, false) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool servermode)
{
if (servermode || IS_REMOTE(source) || ServerInstance->ULine(source->nick.c_str()) || ServerInstance->ULine(source->server))
{
if ((adding && !dest->IsModeSet('r')) || (!adding && dest->IsModeSet('r')))
{
dest->SetMode('r',adding);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
else
{
source->WriteNumeric(500, "%s :Only a server may modify the +r user mode", source->nick.c_str());
return MODEACTION_DENY;
}
}
};
/** Channel mode +R - unidentified users cannot join
*/
class AChannel_R : public SimpleChannelModeHandler
{
public:
AChannel_R(InspIRCd* Instance) : SimpleChannelModeHandler(Instance, 'R') { }
};
/** User mode +R - unidentified users cannot message
*/
class AUser_R : public SimpleUserModeHandler
{
public:
AUser_R(InspIRCd* Instance) : SimpleUserModeHandler(Instance, 'R') { }
};
/** Channel mode +M - unidentified users cannot message channel
*/
class AChannel_M : public SimpleChannelModeHandler
{
public:
AChannel_M(InspIRCd* Instance) : SimpleChannelModeHandler(Instance, 'M') { }
};
class ModuleServicesAccount : public Module
{
AChannel_R* m1;
AChannel_M* m2;
AUser_R* m3;
Channel_r *m4;
User_r *m5;
public:
ModuleServicesAccount(InspIRCd* Me) : Module(Me)
{
m1 = new AChannel_R(ServerInstance);
m2 = new AChannel_M(ServerInstance);
m3 = new AUser_R(ServerInstance);
m4 = new Channel_r(ServerInstance);
m5 = new User_r(ServerInstance);
if (!ServerInstance->Modes->AddMode(m1) || !ServerInstance->Modes->AddMode(m2) || !ServerInstance->Modes->AddMode(m3) || !ServerInstance->Modes->AddMode(m4) || !ServerInstance->Modes->AddMode(m5))
throw ModuleException("Some other module has claimed our modes!");
Implementation eventlist[] = { I_OnWhois, I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserPreJoin, I_OnCheckBan,
I_OnSyncUserMetaData, I_OnUserQuit, I_OnCleanup, I_OnDecodeMetaData, I_On005Numeric, I_OnCheckInvite, I_OnUserPostNick };
ServerInstance->Modules->Attach(eventlist, this, 11);
}
virtual void On005Numeric(std::string &t)
{
ServerInstance->AddExtBanChar('R');
ServerInstance->AddExtBanChar('M');
}
/* <- :twisted.oscnet.org 330 w00t2 w00t2 w00t :is logged in as */
virtual void OnWhois(User* source, User* dest)
{
std::string *account;
dest->GetExt("accountname", account);
if (account)
{
ServerInstance->SendWhoisLine(source, dest, 330, "%s %s %s :is logged in as", source->nick.c_str(), dest->nick.c_str(), account->c_str());
}
if (dest->IsModeSet('r'))
{
/* user is registered */
ServerInstance->SendWhoisLine(source, dest, 307, "%s %s :is a registered nick", source->nick.c_str(), dest->nick.c_str());
}
}
virtual void OnUserPostNick(User* user, const std::string &oldnick)
{
/* On nickchange, if they have +r, remove it */
if (user->IsModeSet('r') && assign(user->nick) != oldnick)
{
std::vector<std::string> modechange;
modechange.push_back(user->nick);
modechange.push_back("-r");
ServerInstance->SendMode(modechange, user);
}
}
virtual int OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (!IS_LOCAL(user))
return 0;
std::string *account;
bool is_registered = user->GetExt("accountname", account);
is_registered = is_registered && !account->empty();
if ((ServerInstance->ULine(user->nick.c_str())) || (ServerInstance->ULine(user->server)))
{
// user is ulined, can speak regardless
return 0;
}
if (target_type == TYPE_CHANNEL)
{
Channel* c = (Channel*)dest;
if (c->IsModeSet('M') && !is_registered)
{
// user messaging a +M channel and is not registered
user->WriteNumeric(477, ""+std::string(user->nick)+" "+std::string(c->name)+" :You need to be identified to a registered account to message this channel");
return 1;
}
if (account)
{
if (c->GetExtBanStatus(*account, 'M') < 0)
{
// may not speak (text is deliberately vague, so they don't know which restriction to evade)
user->WriteNumeric(477, ""+std::string(user->nick)+" "+std::string(c->name)+" :You may not speak in this channel");
return 1;
}
}
}
else if (target_type == TYPE_USER)
{
User* u = (User*)dest;
if (u->IsModeSet('R') && !is_registered)
{
// user messaging a +R user and is not registered
user->WriteNumeric(477, ""+ user->nick +" "+ u->nick +" :You need to be identified to a registered account to message this user");
return 1;
}
}
return 0;
}
virtual int OnCheckBan(User* user, Channel* chan)
{
std::string* account;
if (!user->GetExt("accountname", account))
return 0;
return chan->GetExtBanStatus(*account, 'R');
}
virtual int OnCheckInvite(User *user, Channel *c)
{
std::string* account;
if (!IS_LOCAL(user) || !user->GetExt("accountname", account))
return 0;
Module* ExceptionModule = ServerInstance->Modules->Find("m_inviteexception.so");
if (ExceptionModule)
{
if (ListModeRequest(this, ExceptionModule, *account, 'R', c).Send())
{
// account name is exempt
return 1;
}
}
return 0;
}
virtual int OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreMessage(user, dest, target_type, text, status, exempt_list);
}
virtual int OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
{
if (!IS_LOCAL(user))
return 0;
std::string *account;
bool is_registered = user->GetExt("accountname", account);
is_registered = is_registered && !account->empty();
if (chan)
{
if ((ServerInstance->ULine(user->nick.c_str())) || (ServerInstance->ULine(user->server)))
{
// user is ulined, won't be stopped from joining
return 0;
}
if (chan->IsModeSet('R'))
{
if (!is_registered)
{
// joining a +R channel and not identified
user->WriteNumeric(477, user->nick + " " + chan->name + " :You need to be identified to a registered account to join this channel");
return 1;
}
}
}
return 0;
}
// Whenever the linking module wants to send out data, but doesnt know what the data
// represents (e.g. it is metadata, added to a User or Channel by a module) then
// this method is called. We should use the ProtoSendMetaData function after we've
// corrected decided how the data should look, to send the metadata on its way if
// it is ours.
virtual void OnSyncUserMetaData(User* user, Module* proto, void* opaque, const std::string &extname, bool displayable)
{
// check if the linking module wants to know about OUR metadata
if (extname == "accountname")
{
// check if this user has an swhois field to send
std::string* account;
user->GetExt("accountname", account);
if (account)
{
// remove any accidental leading/trailing spaces
trim(*account);
// call this function in the linking module, let it format the data how it
// sees fit, and send it on its way. We dont need or want to know how.
proto->ProtoSendMetaData(opaque,TYPE_USER,user,extname,*account);
}
}
}
// when a user quits, tidy up their metadata
virtual void OnUserQuit(User* user, const std::string &message, const std::string &oper_message)
{
std::string* account;
user->GetExt("accountname", account);
if (account)
{
user->Shrink("accountname");
delete account;
}
}
// if the module is unloaded, tidy up all our dangling metadata
virtual void OnCleanup(int target_type, void* item)
{
if (target_type == TYPE_USER)
{
User* user = (User*)item;
std::string* account;
user->GetExt("accountname", account);
if (account)
{
user->Shrink("accountname");
delete account;
}
}
}
// Whenever the linking module receives metadata from another server and doesnt know what
// to do with it (of course, hence the 'meta') it calls this method, and it is up to each
// module in turn to figure out if this metadata key belongs to them, and what they want
// to do with it.
// In our case we're only sending a single string around, so we just construct a std::string.
// Some modules will probably get much more complex and format more detailed structs and classes
// in a textual way for sending over the link.
virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
{
// check if its our metadata key, and its associated with a user
if ((target_type == TYPE_USER) && (extname == "accountname"))
{
User* dest = (User*)target;
std::string* account;
if (dest->GetExt("accountname", account)) {
// remove old account so that we can set new (or leave unset)
dest->Shrink("accountname");
delete account;
}
if (!extdata.empty())
{
account = new std::string(extdata);
// remove any accidental leading/trailing spaces
trim(*account);
dest->Extend("accountname", account);
if (IS_LOCAL(dest))
dest->WriteNumeric(900, "%s %s %s :You are now logged in as %s",
dest->nick.c_str(), dest->GetFullHost().c_str(), account->c_str(), account->c_str());
AccountData ac;
ac.user = dest;
ac.account = *account;
Event n((char*)&ac, this, "account_login");
n.Send(ServerInstance);
}
}
}
virtual ~ModuleServicesAccount()
{
ServerInstance->Modes->DelMode(m1);
ServerInstance->Modes->DelMode(m2);
ServerInstance->Modes->DelMode(m3);
ServerInstance->Modes->DelMode(m4);
ServerInstance->Modes->DelMode(m5);
delete m1;
delete m2;
delete m3;
delete m4;
delete m5;
}
virtual Version GetVersion()
{
return Version("$Id$",VF_COMMON|VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleServicesAccount)
