/* ChanServ core functions
  *
  * (C) 2003-2022 Anope Team
  * Contact us at team@anope.org
  *
  * Please read COPYING and README for further details.
  *
  * Based on the original code of Epona by Lara.
  * Based on the original code of Services by Andy Church.
  */
 
 #include "module.h"
 
 class CommandCSUp : public Command
 {
 	void SetModes(User *u, Channel *c)
 	{
 		if (!c->ci)
 			return;
 
 		/* whether or not we are giving modes */
 		bool giving = true;
 		/* whether or not we have given a mode */
 		bool given = false;
 		AccessGroup u_access = c->ci->AccessFor(u);
 
 		for (unsigned i = 0; i < ModeManager::GetStatusChannelModesByRank().size(); ++i)
 		{
 			ChannelModeStatus *cm = ModeManager::GetStatusChannelModesByRank()[i];
 			bool has_priv = u_access.HasPriv("AUTO" + cm->name) || u_access.HasPriv(cm->name);
 
 			if (has_priv)
 			{
 				/* Always give op. If we have already given one mode, don't give more until it has a symbol */
 				if (cm->name == "OP" || !given || (giving && cm->symbol))
 				{
 					c->SetMode(NULL, cm, u->GetUID(), false);
 					/* Now if this contains a symbol don't give any more modes, to prevent setting +qaohv etc on users */
 					giving = !cm->symbol;
 					given = true;
 				}
 			}
 		}
 	}
  public:
 	CommandCSUp(Module *creator) : Command(creator, "chanserv/up", 0, 2)
 	{
 		this->SetDesc(_("Updates a selected nicks status on a channel"));
 		this->SetSyntax(_("[\037channel\037 [\037nick\037]]"));
 	}
 
 	void Execute(CommandSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		if (params.empty())
 		{
 			if (!source.GetUser())
 				return;
 			for (User::ChanUserList::iterator it = source.GetUser()->chans.begin(); it != source.GetUser()->chans.end(); ++it)
 			{
 				Channel *c = it->second->chan;
 				SetModes(source.GetUser(), c);
 			}
 			Log(LOG_COMMAND, source, this, NULL) << "on all channels to update their status modes";
 		}
 		else
 		{
 			const Anope::string &channel = params[0];
 			const Anope::string &nick = params.size() > 1 ? params[1] : source.GetNick();
 
 			Channel *c = Channel::Find(channel);
 
 			if (c == NULL)
 			{
 				source.Reply(CHAN_X_NOT_IN_USE, channel.c_str());
 				return;
 			}
 			else if (!c->ci)
 			{
 				source.Reply(CHAN_X_NOT_REGISTERED, channel.c_str());
 				return;
 			}
 
 			User *u = User::Find(nick, true);
 			User *srcu = source.GetUser();
 			bool override = false;
 
 			if (u == NULL)
 			{
 				source.Reply(NICK_X_NOT_IN_USE, nick.c_str());
 				return;
 			}
 			else if (srcu && !srcu->FindChannel(c))
 			{
 				source.Reply(_("You must be in \002%s\002 to use this command."), c->name.c_str());
 				return;
 			}
 			else if (!u->FindChannel(c))
 			{
 				source.Reply(NICK_X_NOT_ON_CHAN, nick.c_str(), channel.c_str());
 				return;
 			}
 			else if (source.GetUser() && u != source.GetUser() && c->ci->HasExt("PEACE"))
 			{
 				if (c->ci->AccessFor(u) >= c->ci->AccessFor(source.GetUser()))
 				{
 					if (source.HasPriv("chanserv/administration"))
 						override = true;
 					else
 					{
 						source.Reply(ACCESS_DENIED);
 						return;
 					}
 				}
 			}
 
 			Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, c->ci) << "to update the status modes of " << u->nick;
 			SetModes(u, c);
 		}
 
 	}
 
 	bool OnHelp(CommandSource &source, const Anope::string &subcommand) anope_override
 	{
 		this->SendSyntax(source);
 		source.Reply(" ");
 		source.Reply(_("Updates a selected nicks status modes on a channel. If \037nick\037 is\n"
 				"omitted then your status is updated. If \037channel\037 is omitted then\n"
 				"your channel status is updated on every channel you are in."));
 		return true;
 	}
 };
 
 class CommandCSDown : public Command
 {
 	void RemoveAll(User *u, Channel *c)
 	{
 		ChanUserContainer *cu = c->FindUser(u);
 		if (cu != NULL)
 			for (size_t i = cu->status.Modes().length(); i > 0;)
 				c->RemoveMode(NULL, ModeManager::FindChannelModeByChar(cu->status.Modes()[--i]), u->GetUID());
 	}
 
  public:
 	CommandCSDown(Module *creator) : Command(creator, "chanserv/down", 0, 2)
 	{
 		this->SetDesc(_("Removes a selected nicks status from a channel"));
 		this->SetSyntax(_("[\037channel\037 [\037nick\037]]"));
 	}
 
 	void Execute(CommandSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		if (params.empty())
 		{
 			if (!source.GetUser())
 				return;
 			for (User::ChanUserList::iterator it = source.GetUser()->chans.begin(); it != source.GetUser()->chans.end(); ++it)
 			{
 				Channel *c = it->second->chan;
 				RemoveAll(source.GetUser(), c);
 			}
 			Log(LOG_COMMAND, source, this, NULL) << "on all channels to remove their status modes";
 		}
 		else
 		{
 			const Anope::string &channel = params[0];
 			const Anope::string &nick = params.size() > 1 ? params[1] : source.GetNick();
 
 			Channel *c = Channel::Find(channel);
 
 			if (c == NULL)
 			{
 				source.Reply(CHAN_X_NOT_IN_USE, channel.c_str());
 				return;
 			}
 			else if (!c->ci)
 			{
 				source.Reply(CHAN_X_NOT_REGISTERED, channel.c_str());
 				return;
 			}
 
 			User *u = User::Find(nick, true);
 			User *srcu = source.GetUser();
 			bool override = false;
 
 			if (u == NULL)
 			{
 				source.Reply(NICK_X_NOT_IN_USE, nick.c_str());
 				return;
 			}
 			else if (srcu && !srcu->FindChannel(c))
 			{
 				source.Reply(_("You must be in \002%s\002 to use this command."), c->name.c_str());
 				return;
 			}
 			else if (!u->FindChannel(c))
 			{
 				source.Reply(NICK_X_NOT_ON_CHAN, nick.c_str(), channel.c_str());
 				return;
 			}
 			else if (source.GetUser() && u != source.GetUser() && c->ci->HasExt("PEACE"))
 			{
 				if (c->ci->AccessFor(u) >= c->ci->AccessFor(source.GetUser()))
 				{
 					if (source.HasPriv("chanserv/administration"))
 						override = true;
 					else
 					{
 						source.Reply(ACCESS_DENIED);
 						return;
 					}
 				}
 			}
 
 			Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, c->ci) << "to remove the status modes from " << u->nick;
 			RemoveAll(u, c);
 		}
 	}
 
 	bool OnHelp(CommandSource &source, const Anope::string &subcommand) anope_override
 	{
 		this->SendSyntax(source);
 		source.Reply(" ");
 		source.Reply(_("Removes a selected nicks status modes on a channel. If \037nick\037 is\n"
 				"omitted then your status is removed. If \037channel\037 is omitted then\n"
 				"your channel status is removed on every channel you are in."));
 		return true;
 	}
 };
 
 class CSUpDown : public Module
 {
 	CommandCSUp commandcsup;
 	CommandCSDown commandcsdown;
 
  public:
 	CSUpDown(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR),
 		commandcsup(this), commandcsdown(this)
 	{
 
 	}
 };
 
 MODULE_INIT(CSUpDown)

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