1 files changed, 131 insertions, 0 deletions
diff --git a/modules/nickserv/ns_identify.cpp b/modules/nickserv/ns_identify.cpp
new file mode 100644
index 000000000..e945c6ece
--- /dev/null
+++ b/modules/nickserv/ns_identify.cpp
@@ -0,0 +1,131 @@
+/* NickServ core functions
+ *
+ * (C) 2003-2024 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 NSIdentifyRequest final
+	: public IdentifyRequest
+{
+	CommandSource source;
+	Command *cmd;
+
+public:
+	NSIdentifyRequest(Module *o, CommandSource &s, Command *c, const Anope::string &acc, const Anope::string &pass) : IdentifyRequest(o, acc, pass), source(s), cmd(c) { }
+
+	void OnSuccess() override
+	{
+		if (!source.GetUser())
+			return;
+
+		User *u = source.GetUser();
+		NickAlias *na = NickAlias::Find(GetAccount());
+
+		if (!na)
+			source.Reply(NICK_X_NOT_REGISTERED, GetAccount().c_str());
+		else
+		{
+			if (u->IsIdentified())
+				Log(LOG_COMMAND, source, cmd) << "to log out of account " << u->Account()->display;
+
+			Log(LOG_COMMAND, source, cmd) << "and identified for account " << na->nc->display;
+			source.Reply(_("Password accepted - you are now recognized."));
+			u->Identify(na);
+		}
+	}
+
+	void OnFail() override
+	{
+		if (source.GetUser())
+		{
+			bool accountexists = NickAlias::Find(GetAccount()) != NULL;
+			Log(LOG_COMMAND, source, cmd) << "and failed to identify to" << (accountexists ? " " : " nonexistent ") << "account " << GetAccount();
+			if (accountexists)
+			{
+				source.Reply(PASSWORD_INCORRECT);
+				source.GetUser()->BadPassword();
+			}
+			else
+				source.Reply(NICK_X_NOT_REGISTERED, GetAccount().c_str());
+		}
+	}
+};
+
+class CommandNSIdentify final
+	: public Command
+{
+public:
+	CommandNSIdentify(Module *creator) : Command(creator, "nickserv/identify", 1, 2)
+	{
+		this->SetDesc(_("Identify yourself with your password"));
+		this->SetSyntax(_("[\037account\037] \037password\037"));
+		this->AllowUnregistered(true);
+		this->RequireUser(true);
+	}
+
+	void Execute(CommandSource &source, const std::vector<Anope::string> &params) override
+	{
+		User *u = source.GetUser();
+
+		const Anope::string &nick = params.size() == 2 ? params[0] : u->nick;
+		Anope::string pass = params[params.size() - 1];
+
+		NickAlias *na = NickAlias::Find(nick);
+		if (na && na->nc->HasExt("NS_SUSPENDED"))
+		{
+			source.Reply(NICK_X_SUSPENDED, na->nick.c_str());
+			return;
+		}
+
+		if (u->Account() && na && u->Account() == na->nc)
+		{
+			source.Reply(_("You are already identified."));
+			return;
+		}
+
+		unsigned int maxlogins = Config->GetModule(this->owner)->Get<unsigned int>("maxlogins");
+		if (na && maxlogins && na->nc->users.size() >= maxlogins)
+		{
+			source.Reply(_("Account \002%s\002 has already reached the maximum number of simultaneous logins (%u)."), na->nc->display.c_str(), maxlogins);
+			return;
+		}
+
+		auto *req = new NSIdentifyRequest(owner, source, this, na ? na->nc->display : nick, pass);
+		FOREACH_MOD(OnCheckAuthentication, (u, req));
+		req->Dispatch();
+	}
+
+	bool OnHelp(CommandSource &source, const Anope::string &subcommand) override
+	{
+		this->SendSyntax(source);
+		source.Reply(" ");
+		source.Reply(_("Tells %s that you are really the owner of this\n"
+				"nick.  Many commands require you to authenticate yourself\n"
+				"with this command before you use them.  The password\n"
+				"should be the same one you sent with the \002REGISTER\002\n"
+				"command."), source.service->nick.c_str());
+		return true;
+	}
+};
+
+class NSIdentify final
+	: public Module
+{
+	CommandNSIdentify commandnsidentify;
+
+public:
+	NSIdentify(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR),
+		commandnsidentify(this)
+	{
+
+	}
+};
+
+MODULE_INIT(NSIdentify)