Shuffle the modules about a bit.

1 files changed, 0 insertions, 501 deletions

diff --git a/src/modules/m_cap.cpp b/src/modules/m_cap.cpp
deleted file mode 100644
index 87eb8f794..000000000
--- a/src/modules/m_cap.cpp
+++ /dev/null
@@ -1,501 +0,0 @@
-/*
- * InspIRCd -- Internet Relay Chat Daemon
- *
- *   Copyright (C) 2018-2023 Sadie Powell <sadie@witchery.services>
- *   Copyright (C) 2015-2016, 2018 Attila Molnar <attilamolnar@hush.com>
- *
- * This file is part of InspIRCd.  InspIRCd is free software: you can
- * redistribute it and/or modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include "inspircd.h"
-#include "modules/reload.h"
-#include "modules/cap.h"
-#include "utility/string.h"
-
-enum
-{
-	// From IRCv3 capability-negotiation-3.1.
-	ERR_INVALIDCAPCMD = 410
-};
-
-namespace Cap
-{
-	class ManagerImpl;
-}
-
-static Cap::ManagerImpl* managerimpl;
-
-class Cap::ManagerImpl final
-	: public Cap::Manager
-	, public ReloadModule::EventListener
-{
-	/** Stores the cap state of a module being reloaded
-	 */
-	struct CapModData final
-	{
-		struct Data final
-		{
-			std::string name;
-			std::vector<std::string> users;
-
-			Data(Capability* cap)
-				: name(cap->GetName())
-			{
-			}
-		};
-		std::vector<Data> caps;
-	};
-
-	typedef insp::flat_map<std::string, Capability*, irc::insensitive_swo> CapMap;
-
-	ExtItem capext;
-	CapMap caps;
-	Events::ModuleEventProvider& evprov;
-
-	static bool CanRequest(LocalUser* user, Ext usercaps, Capability* cap, bool adding)
-	{
-		const bool hascap = ((usercaps & cap->GetMask()) != 0);
-		if (hascap == adding)
-			return true;
-
-		return cap->OnRequest(user, adding);
-	}
-
-	Capability::Bit AllocateBit() const
-	{
-		Capability::Bit used = 0;
-		for (const auto& [_, cap] : caps)
-			used |= cap->GetMask();
-
-		for (size_t i = 0; i < MAX_CAPS; i++)
-		{
-			Capability::Bit bit = (static_cast<Capability::Bit>(1) << i);
-			if (!(used & bit))
-				return bit;
-		}
-		throw ModuleException(creator, "Too many caps");
-	}
-
-	void OnReloadModuleSave(Module* mod, ReloadModule::CustomData& cd) override
-	{
-		ServerInstance->Logs.Debug(MODNAME, "OnReloadModuleSave()");
-		if (mod == creator)
-			return;
-
-		auto* capmoddata = new CapModData();
-		cd.add(this, capmoddata);
-
-		for (const auto& [_, cap] : caps)
-		{
-			// Only save users of caps that belong to the module being reloaded
-			if (cap->creator != mod)
-				continue;
-
-			ServerInstance->Logs.Debug(MODNAME, "Module being reloaded implements cap {}, saving cap users", cap->GetName());
-			capmoddata->caps.emplace_back(cap);
-			CapModData::Data& capdata = capmoddata->caps.back();
-
-			// Populate list with uuids of users who are using the cap
-			for (auto* user : ServerInstance->Users.GetLocalUsers())
-			{
-				if (cap->IsEnabled(user))
-					capdata.users.push_back(user->uuid);
-			}
-		}
-	}
-
-	void OnReloadModuleRestore(Module* mod, void* data) override
-	{
-		CapModData* capmoddata = static_cast<CapModData*>(data);
-		for (const auto& capdata : capmoddata->caps)
-		{
-			Capability* cap = ManagerImpl::Find(capdata.name);
-			if (!cap)
-			{
-				ServerInstance->Logs.Debug(MODNAME, "Cap {} is no longer available after reload", capdata.name);
-				continue;
-			}
-
-			// Set back the cap for all users who were using it before the reload
-			for (const auto& uuid : capdata.users)
-			{
-				auto* user = ServerInstance->Users.FindUUID(uuid);
-				if (!user)
-				{
-					ServerInstance->Logs.Debug(MODNAME, "User {} is gone when trying to restore cap {}", uuid, capdata.name);
-					continue;
-				}
-
-				cap->Set(user, true);
-			}
-		}
-		delete capmoddata;
-	}
-
-public:
-	ManagerImpl(Module* mod, Events::ModuleEventProvider& evprovref)
-		: Cap::Manager(mod)
-		, ReloadModule::EventListener(mod)
-		, capext(mod)
-		, evprov(evprovref)
-	{
-		managerimpl = this;
-	}
-
-	~ManagerImpl() override
-	{
-		for (const auto& [_, cap] : caps)
-			cap->Unregister();
-	}
-
-	void AddCap(Cap::Capability* cap) override
-	{
-		// No-op if the cap is already registered.
-		// This allows modules to call SetActive() on a cap without checking if it's active first.
-		if (cap->IsRegistered())
-			return;
-
-		ServerInstance->Logs.Debug(MODNAME, "Registering cap {}", cap->GetName());
-		cap->bit = AllocateBit();
-		cap->extitem = &capext;
-		caps.emplace(cap->GetName(), cap);
-		ServerInstance->Modules.AddReferent("cap/" + cap->GetName(), cap);
-
-		evprov.Call(&Cap::EventListener::OnCapAddDel, cap, true);
-	}
-
-	void DelCap(Cap::Capability* cap) override
-	{
-		// No-op if the cap is not registered, see AddCap() above
-		if (!cap->IsRegistered())
-			return;
-
-		ServerInstance->Logs.Debug(MODNAME, "Unregistering cap {}", cap->GetName());
-
-		// Fire the event first so modules can still see who is using the cap which is being unregistered
-		evprov.Call(&Cap::EventListener::OnCapAddDel, cap, false);
-
-		// Turn off the cap for all users
-		for (auto* user : ServerInstance->Users.GetLocalUsers())
-			cap->Set(user, false);
-
-		ServerInstance->Modules.DelReferent(cap);
-		cap->Unregister();
-		caps.erase(cap->GetName());
-	}
-
-	Capability* Find(const std::string& capname) const override
-	{
-		CapMap::const_iterator it = caps.find(capname);
-		if (it != caps.end())
-			return it->second;
-		return nullptr;
-	}
-
-	void NotifyValueChange(Capability* cap) override
-	{
-		ServerInstance->Logs.Debug(MODNAME, "Cap {} changed value", cap->GetName());
-		evprov.Call(&Cap::EventListener::OnCapValueChange, cap);
-	}
-
-	Protocol GetProtocol(LocalUser* user) const
-	{
-		return ((capext.Get(user) & CAP_302_BIT) ? CAP_302 : CAP_LEGACY);
-	}
-
-	void Set302Protocol(LocalUser* user)
-	{
-		capext.Set(user, capext.Get(user) | CAP_302_BIT);
-	}
-
-	bool HandleReq(LocalUser* user, const std::string& reqlist)
-	{
-		Ext usercaps = capext.Get(user);
-		irc::spacesepstream ss(reqlist);
-		for (std::string capname; ss.GetToken(capname); )
-		{
-			bool remove = (capname[0] == '-');
-			if (remove)
-				capname.erase(capname.begin());
-
-			Capability* cap = ManagerImpl::Find(capname);
-			if ((!cap) || (!CanRequest(user, usercaps, cap, !remove)))
-				return false;
-
-			if (remove)
-				usercaps = cap->DelFromMask(usercaps);
-			else
-				usercaps = cap->AddToMask(usercaps);
-		}
-
-		capext.Set(user, usercaps);
-		return true;
-	}
-
-	void HandleList(std::vector<std::string>& out, LocalUser* user, bool show_all, bool show_values, bool minus_prefix = false) const
-	{
-		Ext show_caps = (show_all ? ~0 : capext.Get(user));
-
-		for (const auto& [_, cap] : caps)
-		{
-			if (!(show_caps & cap->GetMask()))
-				continue;
-
-			if ((show_all) && (!cap->OnList(user)))
-				continue;
-
-			std::string token;
-			if (minus_prefix)
-				token.push_back('-');
-			token.append(cap->GetName());
-
-			if (show_values)
-			{
-				const std::string* capvalue = cap->GetValue(user);
-				if ((capvalue) && (!capvalue->empty()) && (capvalue->find(' ') == std::string::npos))
-				{
-					token.push_back('=');
-					token.append(*capvalue, 0, MAX_VALUE_LENGTH);
-				}
-			}
-			out.push_back(token);
-		}
-	}
-
-	void HandleClear(LocalUser* user, std::vector<std::string>& result)
-	{
-		HandleList(result, user, false, false, true);
-		capext.Unset(user);
-	}
-};
-
-namespace
-{
-	std::string SerializeCaps(const Extensible* container, bool human)
-	{
-		// XXX: Cast away the const because IS_LOCAL() doesn't handle it
-		LocalUser* user = IS_LOCAL(const_cast<User*>(static_cast<const User*>(container)));
-		if (!user)
-			return {};
-
-		// List requested caps
-		std::vector<std::string> result;
-		managerimpl->HandleList(result, user, false, false);
-
-		// Serialize cap protocol version. If building a human-readable string append a
-		// new token, otherwise append only a single character indicating the version.
-		std::string version;
-		if (human)
-			version.append("capversion=3.");
-		switch (managerimpl->GetProtocol(user))
-		{
-			case Cap::CAP_302:
-				version.push_back('2');
-				break;
-			default:
-				version.push_back('1');
-				break;
-		}
-		result.push_back(version);
-
-		return insp::join(result, ' ');
-	}
-}
-
-Cap::ExtItem::ExtItem(Module* mod)
-	: IntExtItem(mod, "caps", ExtensionType::USER)
-{
-}
-
-std::string Cap::ExtItem::ToHuman(const Extensible* container, void* item) const noexcept
-{
-	return SerializeCaps(container, true);
-}
-
-std::string Cap::ExtItem::ToInternal(const Extensible* container, void* item) const noexcept
-{
-	return SerializeCaps(container, false);
-}
-
-void Cap::ExtItem::FromInternal(Extensible* container, const std::string& value) noexcept
-{
-	if (container->extype != this->extype)
-		return;
-
-	LocalUser* user = IS_LOCAL(static_cast<User*>(container));
-	if (!user)
-		return; // Can't happen
-
-	// Process the cap protocol version which is a single character at the end of the serialized string
-	if (value.back() == '2')
-		managerimpl->Set302Protocol(user);
-
-	// Remove the version indicator from the string passed to HandleReq
-	std::string caplist(value, 0, value.size()-1);
-	managerimpl->HandleReq(user, caplist);
-}
-
-class CapMessage final
-	: public Cap::MessageBase
-{
-public:
-	CapMessage(LocalUser* user, const std::string& subcmd, const std::string& result, bool asterisk)
-		: Cap::MessageBase(subcmd)
-	{
-		SetUser(user);
-		if (asterisk)
-			PushParam("*");
-		PushParamRef(result);
-	}
-};
-
-class CommandCap final
-	: public SplitCommand
-{
-private:
-	Events::ModuleEventProvider evprov;
-	Cap::ManagerImpl manager;
-	ClientProtocol::EventProvider protoevprov;
-
-	void DisplayResult(LocalUser* user, const std::string& subcmd, const std::vector<std::string>& result, bool asterisk)
-	{
-		size_t maxline = ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->ServerName.size() - user->nick.length() - subcmd.length() - 11;
-		std::string line;
-		for (const auto& cap : result)
-		{
-			if (line.length() + cap.length() < maxline)
-			{
-				line.append(cap);
-				line.push_back(' ');
-			}
-			else
-			{
-				DisplaySingleResult(user, subcmd, line, asterisk);
-				line.clear();
-			}
-		}
-		DisplaySingleResult(user, subcmd, line, false);
-	}
-
-	void DisplaySingleResult(LocalUser* user, const std::string& subcmd, const std::string& result, bool asterisk)
-	{
-		CapMessage msg(user, subcmd, result, asterisk);
-		ClientProtocol::Event ev(protoevprov, msg);
-		user->Send(ev);
-	}
-
-public:
-	BoolExtItem holdext;
-
-	CommandCap(Module* mod)
-		: SplitCommand(mod, "CAP", 1)
-		, evprov(mod, "event/cap")
-		, manager(mod, evprov)
-		, protoevprov(mod, name)
-		, holdext(mod, "cap-hold", ExtensionType::USER)
-	{
-		works_before_reg = true;
-	}
-
-	CmdResult HandleLocal(LocalUser* user, const Params& parameters) override
-	{
-		if (!user->IsFullyConnected())
-			holdext.Set(user);
-
-		const std::string& subcommand = parameters[0];
-		if (irc::equals(subcommand, "REQ"))
-		{
-			if (parameters.size() < 2)
-				return CmdResult::FAILURE;
-
-			const std::string replysubcmd = (manager.HandleReq(user, parameters[1]) ? "ACK" : "NAK");
-			DisplaySingleResult(user, replysubcmd, parameters[1], false);
-		}
-		else if (irc::equals(subcommand, "END"))
-		{
-			holdext.Unset(user);
-		}
-		else if (irc::equals(subcommand, "LS") || irc::equals(subcommand, "LIST"))
-		{
-			Cap::Protocol capversion = Cap::CAP_LEGACY;
-			const bool is_ls = (subcommand.length() == 2);
-			if ((is_ls) && (parameters.size() > 1))
-			{
-				unsigned int version = ConvToNum<unsigned int>(parameters[1]);
-				if (version >= 302)
-				{
-					capversion = Cap::CAP_302;
-					manager.Set302Protocol(user);
-				}
-			}
-
-			std::vector<std::string> result;
-			// Show values only if supports v3.2 and doing LS
-			manager.HandleList(result, user, is_ls, ((is_ls) && (capversion != Cap::CAP_LEGACY)));
-			DisplayResult(user, subcommand, result, (capversion != Cap::CAP_LEGACY));
-		}
-		else if (irc::equals(subcommand, "CLEAR") && (manager.GetProtocol(user) == Cap::CAP_LEGACY))
-		{
-			std::vector<std::string> result;
-			manager.HandleClear(user, result);
-			DisplayResult(user, "ACK", result, false);
-		}
-		else
-		{
-			user->WriteNumeric(ERR_INVALIDCAPCMD, subcommand.empty() ? "*" : subcommand, "Invalid CAP subcommand");
-			return CmdResult::FAILURE;
-		}
-
-		return CmdResult::SUCCESS;
-	}
-};
-
-class PoisonCap final
-	: public Cap::Capability
-{
-public:
-	PoisonCap(Module* mod)
-		: Cap::Capability(mod, "inspircd.org/poison")
-	{
-	}
-
-	bool OnRequest(LocalUser* user, bool adding) override
-	{
-		// Reject the attempt to enable this capability.
-		return false;
-	}
-};
-
-class ModuleCap final
-	: public Module
-{
-private:
-	CommandCap cmd;
-	PoisonCap poisoncap;
-
-public:
-	ModuleCap()
-		: Module(VF_VENDOR, "Provides support for the IRCv3 Client Capability Negotiation extension.")
-		, cmd(this)
-		, poisoncap(this)
-	{
-	}
-
-	ModResult OnCheckReady(LocalUser* user) override
-	{
-		return (cmd.holdext.Get(user) ? MOD_RES_DENY : MOD_RES_PASSTHRU);
-	}
-};
-
-MODULE_INIT(ModuleCap)