/*
 *   IRC - Internet Relay Chat, src/modules/monitor.c
 *   (C) 2021 Bram Matthys and The UnrealIRCd Team
 *
 *   See file AUTHORS in IRC package for additional names of
 *   the programmers.
 *
 *   This program 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; either version 1, or (at your option)
 *   any later version.
 *
 *   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, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "unrealircd.h"

ModuleHeader MOD_HEADER
  = {
	"json-log-tag",
	"5.0",
	"unrealircd.org/json-log tag for S2S and ircops",
	"UnrealIRCd Team",
	"unrealircd-6",
    };

/* Variables */
long CAP_JSON_LOG = 0L;

/* Forward declarations */
int json_log_mtag_is_ok(Client *client, const char *name, const char *value);
int json_log_mtag_should_send_to_client(Client *target);

MOD_TEST()
{
	ModuleSetOptions(modinfo->handle, MOD_OPT_PRIORITY, -1000000001); /* load very early */
	return MOD_SUCCESS;
}

MOD_INIT()
{
	ClientCapabilityInfo cap;
	ClientCapability *c;
	MessageTagHandlerInfo mtag;

	MARK_AS_OFFICIAL_MODULE(modinfo);

	memset(&cap, 0, sizeof(cap));
	cap.name = "unrealircd.org/json-log";
	c = ClientCapabilityAdd(modinfo->handle, &cap, &CAP_JSON_LOG);

	memset(&mtag, 0, sizeof(mtag));
	mtag.name = "unrealircd.org/json-log";
	mtag.is_ok = json_log_mtag_is_ok;
	mtag.should_send_to_client = json_log_mtag_should_send_to_client;
	mtag.clicap_handler = c;
	MessageTagHandlerAdd(modinfo->handle, &mtag);

	ModuleSetOptions(modinfo->handle, MOD_OPT_PRIORITY, 1000000001); /* unload very late */
	return MOD_SUCCESS;
}

MOD_LOAD()
{
	return MOD_SUCCESS;
}

MOD_UNLOAD()
{
	return MOD_SUCCESS;
}

/** This function verifies if the client sending
 * We simply allow from servers without any syntax checking.
 */
int json_log_mtag_is_ok(Client *client, const char *name, const char *value)
{
	if (IsServer(client) || IsMe(client))
		return 1;

	return 0;
}

/** Outgoing filter for this message tag */
int json_log_mtag_should_send_to_client(Client *target)
{
	if (IsServer(target) || (target->local && IsOper(target) && HasCapabilityFast(target, CAP_JSON_LOG)))
		return 1;
	return 0;
}