reduced-moderation.c (#77)

Requested by Mahjong

This works just like +m (moderated) except ops and above will still see messages from non-voiced users, and nobody else in that channel. In addition, the user will not receive an error about the message being lost.

Author: ValwareIRC

files/reduced-moderation.c

@@ -0,0 +1,114 @@
+/*
+  Licence: GPLv3
+  Copyright Ⓒ 2022 Valerie Pond
+  
+  Permissions: By using this module, you agree that it is Free, and you are allowed to make copies
+  and redistrubite this at your own free will, so long as in doing so, the original author and license remain in-tact. 
+
+
+ Reduced moderation: Requested by Mahjong
+
+*/
+/*** <<<MODULE MANAGER START>>>
+module
+{
+		documentation "https://github.com/ValwareIRC/valware-unrealircd-mods/blob/main/reduced-moderation/README.md";
+		troubleshooting "In case of problems, documentation or e-mail me at [email protected]";
+		min-unrealircd-version "6.*";
+		max-unrealircd-version "6.*";
+		post-install-text {
+				"The module is installed. Now all you need to do is add a loadmodule line:";
+				"loadmodule \"third/reduced-moderation\";";
+				"And /REHASH the IRCd.";
+				"The module does not need any other configuration.";
+		}
+}
+*** <<<MODULE MANAGER END>>>
+*/
+
+#include "unrealircd.h"
+
+
+ModuleHeader MOD_HEADER
+  = {
+	"third/reduced-moderation",
+	"1.0",
+	"Reduced Moderation mode (+x)",
+	"Valware",
+	"unrealircd-6",
+	};
+
+/* Global variables */
+Cmode_t EXTCMODE_REDMOD;
+
+/* Forward declarations */
+int redmod_can_send_to_channel(Client *client, Channel *channel, Membership *lp, const char **msg, const char **errmsg, SendType sendtype);
+const char *redmod_pre_local_part(Client *client, Channel *channel, const char *text);
+
+/* Macros */
+#define IsRedMod(channel) (channel->mode.mode & EXTCMODE_REDMOD)
+
+MOD_INIT()
+{
+	CmodeInfo req;
+
+	MARK_AS_GLOBAL_MODULE(modinfo);
+
+	memset(&req, 0, sizeof(req));
+	req.paracount = 0;
+	req.letter = 'x';
+	req.is_ok = extcmode_default_requirechop;
+	CmodeAdd(modinfo->handle, req, &EXTCMODE_REDMOD);
+
+	HookAdd(modinfo->handle, HOOKTYPE_CAN_SEND_TO_CHANNEL, 123, redmod_can_send_to_channel);
+	HookAddConstString(modinfo->handle, HOOKTYPE_PRE_LOCAL_PART, 123, redmod_pre_local_part);
+
+	return MOD_SUCCESS;
+}
+
+MOD_LOAD()
+{
+	return MOD_SUCCESS;
+}
+
+MOD_UNLOAD()
+{
+	return MOD_SUCCESS;
+}
+
+/* Overrides for +m also will override +x */
+int redmod_can_send_to_channel(Client *client, Channel *channel, Membership *m, const char **text, const char **errmsg, SendType sendtype)
+{
+	MessageTag *mtags = NULL;
+	if (IsRedMod(channel) && (!m || !check_channel_access_membership(m, "vhoaq")) &&
+		!op_can_override("channel:override:message:moderated",client,channel,NULL))
+	{
+		Hook *h;
+		for (h = Hooks[HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION]; h; h = h->next)
+		{
+			int i = (*(h->func.intfunc))(client, channel, BYPASS_CHANMSG_MODERATED);
+			if (i == HOOK_ALLOW)
+				return HOOK_CONTINUE;
+			if (i != HOOK_CONTINUE)
+				break;
+		}
+
+		int notice = (sendtype == SEND_TYPE_NOTICE);
+
+		new_message(client, NULL, &mtags);
+		sendto_channel(channel, client, client, "oaq", 0, SEND_ALL, mtags, ":%s %s %s :%s", client->name, (notice ? "NOTICE" : "PRIVMSG"), channel->name, *text);
+		free_message_tags(mtags);
+		*text = NULL;
+
+	}
+
+	return HOOK_CONTINUE;
+}
+
+const char *redmod_pre_local_part(Client *client, Channel *channel, const char *text)
+{
+	if (IsRedMod(channel) && !check_channel_access(client, channel, "v") && !check_channel_access(client, channel, "h"))
+		return NULL;
+	return text;
+}
+