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clientnotify.cpp
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clientnotify.cpp
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/*
* Copyright (C) 2004-2015 ZNC, see the NOTICE file for details.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <znc/znc.h>
#include <znc/User.h>
using std::set;
class CClientNotifyMod : public CModule {
protected:
CString m_sMethod;
bool m_bNewOnly{};
bool m_bOnDisconnect{};
set<CString> m_sClientsSeen;
void SaveSettings() {
SetNV("method", m_sMethod);
SetNV("newonly", m_bNewOnly ? "1" : "0");
SetNV("ondisconnect", m_bOnDisconnect ? "1" : "0");
}
void SendNotification(const CString& sMessage) {
if (m_sMethod == "message") {
GetUser()->PutStatus(sMessage, nullptr, GetClient());
} else if (m_sMethod == "notice") {
GetUser()->PutStatusNotice(sMessage, nullptr, GetClient());
}
}
public:
MODCONSTRUCTOR(CClientNotifyMod) {
AddHelpCommand();
AddCommand("Method", static_cast<CModCommand::ModCmdFunc>(
&CClientNotifyMod::OnMethodCommand),
"<message|notice|off>", "Sets the notify method");
AddCommand("NewOnly", static_cast<CModCommand::ModCmdFunc>(
&CClientNotifyMod::OnNewOnlyCommand),
"<on|off>",
"Turns notifications for unseen IP addresses on or off");
AddCommand("OnDisconnect", static_cast<CModCommand::ModCmdFunc>(
&CClientNotifyMod::OnDisconnectCommand),
"<on|off>",
"Turns notifications for clients disconnecting on or off");
AddCommand("Show", static_cast<CModCommand::ModCmdFunc>(
&CClientNotifyMod::OnShowCommand),
"", "Show the current settings");
}
bool OnLoad(const CString& sArgs, CString& sMessage) override {
m_sMethod = GetNV("method");
if (m_sMethod != "notice" && m_sMethod != "message" &&
m_sMethod != "off") {
m_sMethod = "message";
}
// default = off for these:
m_bNewOnly = (GetNV("newonly") == "1");
m_bOnDisconnect = (GetNV("ondisconnect") == "1");
return true;
}
void OnClientLogin() override {
CString sRemoteIP = GetClient()->GetRemoteIP();
if (!m_bNewOnly ||
m_sClientsSeen.find(sRemoteIP) == m_sClientsSeen.end()) {
SendNotification(
"Another client authenticated as your user. "
"Use the 'ListClients' command to see all " +
CString(GetUser()->GetAllClients().size()) + " clients.");
// the set<> will automatically disregard duplicates:
m_sClientsSeen.insert(sRemoteIP);
}
}
void OnClientDisconnect() override {
if (m_bOnDisconnect) {
SendNotification(
"A client disconnected from your user. "
"Use the 'ListClients' command to see the " +
CString(GetUser()->GetAllClients().size()) +
" remaining client(s).");
}
}
void OnMethodCommand(const CString& sCommand) {
const CString& sArg = sCommand.Token(1, true).AsLower();
if (sArg != "notice" && sArg != "message" && sArg != "off") {
PutModule("Usage: Method <message|notice|off>");
return;
}
m_sMethod = sArg;
SaveSettings();
PutModule("Saved.");
}
void OnNewOnlyCommand(const CString& sCommand) {
const CString& sArg = sCommand.Token(1, true).AsLower();
if (sArg.empty()) {
PutModule("Usage: NewOnly <on|off>");
return;
}
m_bNewOnly = sArg.ToBool();
SaveSettings();
PutModule("Saved.");
}
void OnDisconnectCommand(const CString& sCommand) {
const CString& sArg = sCommand.Token(1, true).AsLower();
if (sArg.empty()) {
PutModule("Usage: OnDisconnect <on|off>");
return;
}
m_bOnDisconnect = sArg.ToBool();
SaveSettings();
PutModule("Saved.");
}
void OnShowCommand(const CString& sLine) {
PutModule("Current settings: Method: " + m_sMethod +
", for unseen IP addresses only: " + CString(m_bNewOnly) +
", notify on disconnecting clients: " +
CString(m_bOnDisconnect));
}
};
template <>
void TModInfo<CClientNotifyMod>(CModInfo& Info) {
Info.SetWikiPage("clientnotify");
}
USERMODULEDEFS(CClientNotifyMod,
"Notifies you when another IRC client logs into or out of your "
"account. Configurable.")