-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd 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, version 2.
*
- * ---------------------------------------------------
+ * 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, see <http://www.gnu.org/licenses/>.
*/
-#include "inspircd.h"
-#include "xline.h"
-
-#include "m_spanningtree/treesocket.h"
-#include "m_spanningtree/treeserver.h"
-#include "m_spanningtree/utils.h"
-
-/* $ModDep: m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/treesocket.h */
+#include "inspircd.h"
+#include "commands.h"
/** FTOPIC command */
-bool TreeSocket::ForceTopic(const std::string &source, std::deque<std::string> ¶ms)
+CmdResult CommandFTopic::Handle(User* user, std::vector<std::string>& params)
{
- if (params.size() != 4)
- return true;
- time_t ts = atoi(params[1].c_str());
- std::string nsource = source;
- Channel* c = this->Instance->FindChan(params[0]);
- if (c)
- {
- if ((ts >= c->topicset) || (c->topic.empty()))
- {
- User* user = this->Instance->FindNick(source);
+ Channel* c = ServerInstance->FindChan(params[0]);
+ if (!c)
+ return CMD_FAILURE;
+
+ if (c->age < ServerCommand::ExtractTS(params[1]))
+ // Our channel TS is older, nothing to do
+ return CMD_FAILURE;
- if (c->topic != params[3])
- {
- // Update topic only when it differs from current topic
- c->topic.assign(params[3], 0, Instance->Config->Limits.MaxTopic);
- if (!user)
- {
- c->WriteChannelWithServ(Instance->Config->ServerName, "TOPIC %s :%s", c->name.c_str(), c->topic.c_str());
- }
- else
- {
- c->WriteChannel(user, "TOPIC %s :%s", c->name.c_str(), c->topic.c_str());
- }
- }
+ // Channel::topicset is initialized to 0 on channel creation, so their ts will always win if we never had a topic
+ time_t ts = ServerCommand::ExtractTS(params[2]);
+ if (ts < c->topicset)
+ return CMD_FAILURE;
- // Always update setter and settime.
- c->setby.assign(params[2], 0, 127);
- c->topicset = ts;
+ // The topic text is always the last parameter
+ const std::string& newtopic = params.back();
- /*
- * Take careful note of what happens here;
- * Above, we display the topic change to the server IF the topic incoming is different to the topic already set.
- * HERE, we find the server the user that sent this topic is on, so we *do not* send topics back to the link they just
- * came from. This *cannot* be easily merged with the above check!
- *
- * Thanks to Anope and Namegduf for finally helping me isolate this
- * -- w00t (5th/aug/2008)
- */
- if (user)
- {
- nsource = user->server;
- }
+ // If there is a setter in the message use that, otherwise use the message source
+ const std::string& setter = ((params.size() > 4) ? params[3] : (ServerInstance->Config->FullHostInTopic ? user->GetFullHost() : user->nick));
- /* all done, send it on its way */
- params[3] = ":" + params[3];
- User* u = Instance->FindNick(nsource);
- if (u)
- Utils->DoOneToAllButSender(u->uuid,"FTOPIC",params,u->server);
- else
- Utils->DoOneToAllButSender(source,"FTOPIC",params,nsource);
- }
+ /*
+ * If the topics were updated at the exact same second, accept
+ * the remote only when it's "bigger" than ours as defined by
+ * string comparision, so non-empty topics always overridde
+ * empty topics if their timestamps are equal
+ *
+ * Similarly, if the topic texts are equal too, keep one topic
+ * setter and discard the other
+ */
+ if (ts == c->topicset)
+ {
+ // Discard if their topic text is "smaller"
+ if (c->topic > newtopic)
+ return CMD_FAILURE;
+ // If the texts are equal in addition to the timestamps, decide which setter to keep
+ if ((c->topic == newtopic) && (c->setby >= setter))
+ return CMD_FAILURE;
}
- return true;
+
+ c->SetTopic(user, newtopic, ts, &setter);
+ return CMD_SUCCESS;
}
+// Used when bursting and in reply to RESYNC, contains topic setter as the 4th parameter
+CommandFTopic::Builder::Builder(Channel* chan)
+ : CmdBuilder("FTOPIC")
+{
+ push(chan->name);
+ push_int(chan->age);
+ push_int(chan->topicset);
+ push(chan->setby);
+ push_last(chan->topic);
+}
+
+// Used when changing the topic, the setter is the message source
+CommandFTopic::Builder::Builder(User* user, Channel* chan)
+ : CmdBuilder(user, "FTOPIC")
+{
+ push(chan->name);
+ push_int(chan->age);
+ push_int(chan->topicset);
+ push_last(chan->topic);
+}
projects / user / henk / code / inspircd.git / blobdiff