1 files changed, 105 insertions, 0 deletions
diff --git a/src/clientprotocol.cpp b/src/clientprotocol.cpp
new file mode 100644
index 000000000..a732855a5
--- /dev/null
+++ b/src/clientprotocol.cpp
@@ -0,0 +1,105 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2016 Attila Molnar <attilamolnar@hush.com>
+ *
+ * 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"
+
+ClientProtocol::Serializer::Serializer(Module* mod, const char* Name)
+	: DataProvider(mod, std::string("serializer/") + Name)
+	, evprov(mod, "event/messagetag")
+{
+}
+
+bool ClientProtocol::Serializer::HandleTag(LocalUser* user, const std::string& tagname, std::string& tagvalue, TagMap& tags) const
+{
+	// Catch and block empty tags
+	if (tagname.empty())
+		return false;
+
+	const ::Events::ModuleEventProvider::SubscriberList& list = evprov.GetSubscribers();
+	for (::Events::ModuleEventProvider::SubscriberList::const_iterator i = list.begin(); i != list.end(); ++i)
+	{
+		MessageTagProvider* const tagprov = static_cast<MessageTagProvider*>(*i);
+		const ModResult res = tagprov->OnClientProtocolProcessTag(user, tagname, tagvalue);
+		if (res == MOD_RES_ALLOW)
+			return tags.insert(std::make_pair(tagname, MessageTagData(tagprov, tagvalue))).second;
+		else if (res == MOD_RES_DENY)
+			break;
+	}
+
+	// No module handles the tag but that's not an error
+	return true;
+}
+
+ClientProtocol::TagSelection ClientProtocol::Serializer::MakeTagWhitelist(LocalUser* user, const TagMap& tagmap) const
+{
+	TagSelection tagwl;
+	for (TagMap::const_iterator i = tagmap.begin(); i != tagmap.end(); ++i)
+	{
+		const MessageTagData& tagdata = i->second;
+		if (tagdata.tagprov->ShouldSendTag(user, tagdata))
+			tagwl.Select(tagmap, i);
+	}
+	return tagwl;
+}
+
+const ClientProtocol::SerializedMessage& ClientProtocol::Serializer::SerializeForUser(LocalUser* user, Message& msg)
+{
+	if (!msg.msginit_done)
+	{
+		msg.msginit_done = true;
+		FOREACH_MOD_CUSTOM(evprov, MessageTagProvider, OnClientProtocolPopulateTags, (msg));
+	}
+	return msg.GetSerialized(Message::SerializedInfo(this, MakeTagWhitelist(user, msg.GetTags())));
+}
+
+const ClientProtocol::SerializedMessage& ClientProtocol::Message::GetSerialized(const SerializedInfo& serializeinfo) const
+{
+	// First check if the serialized line they're asking for is in the cache
+	for (SerializedList::const_iterator i = serlist.begin(); i != serlist.end(); ++i)
+	{
+		const SerializedInfo& curr = i->first;
+		if (curr == serializeinfo)
+			return i->second;
+	}
+
+	// Not cached, generate it and put it in the cache for later use
+	serlist.push_back(std::make_pair(serializeinfo, serializeinfo.serializer->Serialize(*this, serializeinfo.tagwl)));
+	return serlist.back().second;
+}
+
+void ClientProtocol::Event::GetMessagesForUser(LocalUser* user, MessageList& messagelist)
+{
+	if (!eventinit_done)
+	{
+		eventinit_done = true;
+		FOREACH_MOD_CUSTOM(*event, EventHook, OnEventInit, (*this));
+	}
+
+	// Most of the time there's only a single message but in rare cases there are more
+	if (initialmsg)
+		messagelist.assign(1, initialmsg);
+	else
+		messagelist = *initialmsglist;
+
+	// Let modules modify the message list
+	ModResult res;
+	FIRST_MOD_RESULT_CUSTOM(*event, EventHook, OnPreEventSend, res, (user, *this, messagelist));
+	if (res == MOD_RES_DENY)
+		messagelist.clear();
+}