From 930fd98e48f68b050d3938607bf420844fabbc37 Mon Sep 17 00:00:00 2001
From: Attila Molnar <attilamolnar@hush.com>
Date: Sat, 16 May 2015 16:49:37 +0200
Subject: Move Channel::UserList() from core to cmd_names

---
 src/coremods/core_channel/cmd_names.cpp    | 66 +++++++++++++++++++++++++++++-
 src/coremods/core_channel/core_channel.cpp |  4 +-
 src/coremods/core_channel/core_channel.h   |  9 ++++
 3 files changed, 77 insertions(+), 2 deletions(-)

(limited to 'src/coremods/core_channel')

diff --git a/src/coremods/core_channel/cmd_names.cpp b/src/coremods/core_channel/cmd_names.cpp
index 20faae774..9ae58d6fa 100644
--- a/src/coremods/core_channel/cmd_names.cpp
+++ b/src/coremods/core_channel/cmd_names.cpp
@@ -24,6 +24,8 @@
 CommandNames::CommandNames(Module* parent)
 	: Command(parent, "NAMES", 0, 0)
 	, secretmode(parent, "secret")
+	, privatemode(parent, "private")
+	, invisiblemode(parent, "invisible")
 {
 	syntax = "{<channel>{,<channel>}}";
 }
@@ -54,7 +56,7 @@ CmdResult CommandNames::Handle (const std::vector<std::string>& parameters, User
 		bool has_user = c->HasUser(user);
 		if ((!c->IsModeSet(secretmode)) || (has_user) || (user->HasPrivPermission("channels/auspex")))
 		{
-			c->UserList(user, has_user);
+			SendNames(user, c, has_user);
 			return CMD_SUCCESS;
 		}
 	}
@@ -62,3 +64,65 @@ CmdResult CommandNames::Handle (const std::vector<std::string>& parameters, User
 	user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str());
 	return CMD_FAILURE;
 }
+
+void CommandNames::SendNames(User* user, Channel* chan, bool isinside)
+{
+	bool has_privs = user->HasPrivPermission("channels/auspex");
+
+	std::string list;
+	if (chan->IsModeSet(secretmode))
+		list.push_back('@');
+	else if (chan->IsModeSet(privatemode))
+		list.push_back('*');
+	else
+		list.push_back('=');
+
+	list.push_back(' ');
+	list.append(chan->name).append(" :");
+	std::string::size_type pos = list.size();
+
+	const size_t maxlen = ServerInstance->Config->Limits.MaxLine - 10 - ServerInstance->Config->ServerName.size() - user->nick.size();
+	std::string prefixlist;
+	std::string nick;
+	const Channel::MemberMap& members = chan->GetUsers();
+	for (Channel::MemberMap::const_iterator i = members.begin(); i != members.end(); ++i)
+	{
+		if ((!isinside) && (i->first->IsModeSet(invisiblemode)) && (!has_privs))
+		{
+			// Member is invisible and we are not supposed to show them
+			continue;
+		}
+
+		Membership* const memb = i->second;
+
+		prefixlist.clear();
+		char prefix = memb->GetPrefixChar();
+		if (prefix)
+			prefixlist.push_back(prefix);
+		nick = i->first->nick;
+
+		ModResult res;
+		FIRST_MOD_RESULT(OnNamesListItem, res, (user, memb, prefixlist, nick));
+
+		// See if a module wants us to exclude this user from NAMES
+		if (res == MOD_RES_DENY)
+			continue;
+
+		if (list.size() + prefixlist.length() + nick.length() + 1 > maxlen)
+		{
+			// List overflowed into multiple numerics
+			user->WriteNumeric(RPL_NAMREPLY, list);
+
+			// Erase all nicks, keep the constant part
+			list.erase(pos);
+		}
+
+		list.append(prefixlist).append(nick).push_back(' ');
+	}
+
+	// Only send the user list numeric if there is at least one user in it
+	if (list.size() != pos)
+		user->WriteNumeric(RPL_NAMREPLY, list);
+
+	user->WriteNumeric(RPL_ENDOFNAMES, "%s :End of /NAMES list.", chan->name.c_str());
+}
diff --git a/src/coremods/core_channel/core_channel.cpp b/src/coremods/core_channel/core_channel.cpp
index ac590ebcc..99ad74d3d 100644
--- a/src/coremods/core_channel/core_channel.cpp
+++ b/src/coremods/core_channel/core_channel.cpp
@@ -42,7 +42,9 @@ class CoreModChannel : public Module
 		{
 			if (chan->topicset)
 				Topic::ShowTopic(localuser, chan);
-			chan->UserList(localuser);
+
+			// Show all members of the channel, including invisible (+i) users
+			cmdnames.SendNames(localuser, chan, true);
 		}
 	}
 
diff --git a/src/coremods/core_channel/core_channel.h b/src/coremods/core_channel/core_channel.h
index f3efa3d67..7e213b5a5 100644
--- a/src/coremods/core_channel/core_channel.h
+++ b/src/coremods/core_channel/core_channel.h
@@ -86,6 +86,8 @@ class CommandTopic : public SplitCommand
 class CommandNames : public Command
 {
 	ChanModeReference secretmode;
+	ChanModeReference privatemode;
+	UserModeReference invisiblemode;
 
  public:
 	/** Constructor for names.
@@ -98,6 +100,13 @@ class CommandNames : public Command
 	 * @return A value from CmdResult to indicate command success or failure.
 	 */
 	CmdResult Handle(const std::vector<std::string>& parameters, User *user);
+
+	/** Spool the NAMES list for a given channel to the given user
+	 * @param user User to spool the NAMES list to
+	 * @param chan Channel whose nicklist to send
+	 * @param isinside If true, the user is inside the channel, if not then false
+	 */
+	void SendNames(User* user, Channel* chan, bool isinside);
 };
 
 /** Handle /KICK.
-- 
cgit v1.2.3