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blockuser.cpp
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blockuser.cpp
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/*
* Copyright (C) 2004-2013 See the AUTHORS file for details.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <znc/User.h>
#include <znc/IRCNetwork.h>
#include <znc/IRCSock.h>
#include <znc/znc.h>
using std::vector;
#define MESSAGE "Your account has been disabled. Contact your administrator."
class CBlockUser : public CModule {
public:
MODCONSTRUCTOR(CBlockUser) {}
virtual ~CBlockUser() {}
virtual bool OnLoad(const CString& sArgs, CString& sMessage) {
VCString vArgs;
VCString::iterator it;
MCString::iterator it2;
// Load saved settings
for (it2 = BeginNV(); it2 != EndNV(); ++it2) {
// Ignore errors
Block(it2->first);
}
// Parse arguments, each argument is a user name to block
sArgs.Split(" ", vArgs, false);
for (it = vArgs.begin(); it != vArgs.end(); ++it) {
if (!Block(*it)) {
sMessage = "Could not block [" + *it + "]";
return false;
}
}
return true;
}
virtual EModRet OnLoginAttempt(CSmartPtr<CAuthBase> Auth) {
if (IsBlocked(Auth->GetUsername())) {
Auth->RefuseLogin(MESSAGE);
return HALT;
}
return CONTINUE;
}
void OnModCommand(const CString& sCommand) {
CString sCmd = sCommand.Token(0);
if (!m_pUser->IsAdmin()) {
PutModule("Access denied");
return;
}
if (sCmd.Equals("list")) {
CTable Table;
MCString::iterator it;
Table.AddColumn("Blocked user");
for (it = BeginNV(); it != EndNV(); ++it) {
Table.AddRow();
Table.SetCell("Blocked user", it->first);
}
if (PutModule(Table) == 0)
PutModule("No users blocked");
} else if (sCmd.Equals("block")) {
CString sUser = sCommand.Token(1, true);
if (m_pUser->GetUserName().Equals(sUser)) {
PutModule("You can't block yourself");
return;
}
if (Block(sUser))
PutModule("Blocked [" + sUser + "]");
else
PutModule("Could not block [" + sUser + "] (misspelled?)");
} else if (sCmd.Equals("unblock")) {
CString sUser = sCommand.Token(1, true);
if (DelNV(sUser))
PutModule("Unblocked [" + sUser + "]");
else
PutModule("This user is not blocked");
} else {
PutModule("Commands: list, block [user], unblock [user]");
}
}
bool OnEmbeddedWebRequest(CWebSock& WebSock, const CString& sPageName, CTemplate& Tmpl) {
if (sPageName == "webadmin/user" && WebSock.GetSession()->IsAdmin()) {
CString sAction = Tmpl["WebadminAction"];
if (sAction == "display") {
Tmpl["Blocked"] = CString(IsBlocked(Tmpl["Username"]));
Tmpl["Self"] = CString(Tmpl["Username"].Equals(WebSock.GetSession()->GetUser()->GetUserName()));
return true;
}
if (sAction == "change" && WebSock.GetParam("embed_blockuser_presented").ToBool()) {
if (Tmpl["Username"].Equals(WebSock.GetSession()->GetUser()->GetUserName()) &&
WebSock.GetParam("embed_blockuser_block").ToBool()) {
WebSock.GetSession()->AddError("You can't block yourself");
} else if (WebSock.GetParam("embed_blockuser_block").ToBool()) {
if (!WebSock.GetParam("embed_blockuser_old").ToBool()) {
if (Block(Tmpl["Username"])) {
WebSock.GetSession()->AddSuccess("Blocked [" + Tmpl["Username"] + "]");
} else {
WebSock.GetSession()->AddError("Couldn't block [" + Tmpl["Username"] + "]");
}
}
} else if (WebSock.GetParam("embed_blockuser_old").ToBool()){
if (DelNV(Tmpl["Username"])) {
WebSock.GetSession()->AddSuccess("Unblocked [" + Tmpl["Username"] + "]");
} else {
WebSock.GetSession()->AddError("User [" + Tmpl["Username"] + "is not blocked");
}
}
return true;
}
}
return false;
}
private:
bool IsBlocked(const CString& sUser) {
MCString::iterator it;
for (it = BeginNV(); it != EndNV(); ++it) {
if (sUser == it->first) {
return true;
}
}
return false;
}
bool Block(const CString& sUser) {
CUser *pUser = CZNC::Get().FindUser(sUser);
if (!pUser)
return false;
// Disconnect all clients
vector<CClient*> vpClients = pUser->GetAllClients();
vector<CClient*>::iterator it;
for (it = vpClients.begin(); it != vpClients.end(); ++it) {
(*it)->PutStatusNotice(MESSAGE);
(*it)->Close(Csock::CLT_AFTERWRITE);
}
// Disconnect all networks from irc
vector<CIRCNetwork*> vNetworks = pUser->GetNetworks();
for (vector<CIRCNetwork*>::iterator it2 = vNetworks.begin(); it2 != vNetworks.end(); ++it2) {
(*it2)->SetIRCConnectEnabled(false);
}
SetNV(pUser->GetUserName(), "");
return true;
}
};
template<> void TModInfo<CBlockUser>(CModInfo& Info) {
Info.SetWikiPage("blockuser");
Info.SetHasArgs(true);
Info.SetArgsHelpText("Enter one or more user names. Separate them by spaces.");
}
GLOBALMODULEDEFS(CBlockUser, "Block certain users from logging in")