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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013 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"
class CommandShowFile : public Command
{
enum Method
{
SF_MSG,
SF_NOTICE,
SF_NUMERIC
};
std::string introtext;
std::string endtext;
unsigned int intronumeric;
unsigned int textnumeric;
unsigned int endnumeric;
file_cache contents;
Method method;
public:
CommandShowFile(Module* parent, const std::string& cmdname)
: Command(parent, cmdname)
{
}
CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
{
const std::string& sn = ServerInstance->Config->ServerName;
if (method == SF_NUMERIC)
{
if (!introtext.empty())
user->SendText(":%s %03d %s :%s %s", sn.c_str(), intronumeric, user->nick.c_str(), sn.c_str(), introtext.c_str());
for (file_cache::const_iterator i = contents.begin(); i != contents.end(); ++i)
user->SendText(":%s %03d %s :- %s", sn.c_str(), textnumeric, user->nick.c_str(), i->c_str());
user->SendText(":%s %03d %s :%s", sn.c_str(), endnumeric, user->nick.c_str(), endtext.c_str());
}
else
{
const char* msgcmd = (method == SF_MSG ? "PRIVMSG" : "NOTICE");
std::string header = InspIRCd::Format(":%s %s %s :", sn.c_str(), msgcmd, user->nick.c_str());
for (file_cache::const_iterator i = contents.begin(); i != contents.end(); ++i)
user->SendText(header + *i);
}
return CMD_SUCCESS;
}
void UpdateSettings(ConfigTag* tag, const std::vector<std::string>& filecontents)
{
introtext = tag->getString("introtext", "Showing " + name);
endtext = tag->getString("endtext", "End of " + name);
intronumeric = tag->getInt("intronumeric", RPL_RULESTART, 0, 999);
textnumeric = tag->getInt("numeric", RPL_RULES, 0, 999);
endnumeric = tag->getInt("endnumeric", RPL_RULESEND, 0, 999);
std::string smethod = tag->getString("method");
method = SF_NUMERIC;
if (smethod == "msg")
method = SF_MSG;
else if (smethod == "notice")
method = SF_NOTICE;
contents = filecontents;
if (tag->getBool("colors"))
InspIRCd::ProcessColors(contents);
}
};
class ModuleShowFile : public Module
{
std::vector<CommandShowFile*> cmds;
void ReadTag(ConfigTag* tag, std::vector<CommandShowFile*>& newcmds)
{
std::string cmdname = tag->getString("name");
if (cmdname.empty())
throw ModuleException("Empty value for 'name'");
std::transform(cmdname.begin(), cmdname.end(), cmdname.begin(), ::toupper);
const std::string file = tag->getString("file", cmdname);
if (file.empty())
throw ModuleException("Empty value for 'file'");
FileReader reader(file);
CommandShowFile* sfcmd;
Command* handler = ServerInstance->Parser->GetHandler(cmdname);
if (handler)
{
// Command exists, check if it is ours
if (handler->creator != this)
throw ModuleException("Command " + cmdname + " already exists");
// This is our command, make sure we don't have the same entry twice
sfcmd = static_cast<CommandShowFile*>(handler);
if (std::find(newcmds.begin(), newcmds.end(), sfcmd) != newcmds.end())
throw ModuleException("Command " + cmdname + " is already used in a <showfile> tag");
}
else
{
// Command doesn't exist, create it
sfcmd = new CommandShowFile(this, cmdname);
ServerInstance->Modules->AddService(*sfcmd);
}
sfcmd->UpdateSettings(tag, reader.GetVector());
newcmds.push_back(sfcmd);
}
public:
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
std::vector<CommandShowFile*> newcmds;
ConfigTagList tags = ServerInstance->Config->ConfTags("showfile");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
try
{
ReadTag(tag, newcmds);
}
catch (CoreException& ex)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error: " + ex.GetReason() + " at " + tag->getTagLocation());
}
}
// Remove all commands that were removed from the config
std::vector<CommandShowFile*> removed(cmds.size());
std::sort(newcmds.begin(), newcmds.end());
std::set_difference(cmds.begin(), cmds.end(), newcmds.begin(), newcmds.end(), removed.begin());
stdalgo::delete_all(removed);
cmds.swap(newcmds);
}
~ModuleShowFile()
{
stdalgo::delete_all(cmds);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides support for showing text files to users", VF_VENDOR);
}
};
MODULE_INIT(ModuleShowFile)
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