From ece09d41b776472419101092e66aac6df555b18f Mon Sep 17 00:00:00 2001
From: HanzZ <hanzz.k@gmail.com>
Date: Mon, 26 Mar 2012 18:10:25 +0200
Subject: [PATCH] registration.auto_register option

---
 .../libcommuni/singleircnetworkplugin.cpp     | 10 ++++---
 src/config.cpp                                |  1 +
 src/usermanager.cpp                           | 28 +++++++++++++++++++
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/backends/libcommuni/singleircnetworkplugin.cpp b/backends/libcommuni/singleircnetworkplugin.cpp
index f668e543..af44ccfa 100644
--- a/backends/libcommuni/singleircnetworkplugin.cpp
+++ b/backends/libcommuni/singleircnetworkplugin.cpp
@@ -50,10 +50,12 @@ void SingleIRCNetworkPlugin::handleLoginRequest(const std::string &user, const s
 	session->setHost(QString::fromStdString(m_server));
 	session->setPort(6667);
 
-	std::string identify = m_identify;
-	boost::replace_all(identify, "$password", password);
-	boost::replace_all(identify, "$name", legacyName);
-	session->setIdentify(identify);
+	if (!password.empty()) {
+		std::string identify = m_identify;
+		boost::replace_all(identify, "$password", password);
+		boost::replace_all(identify, "$name", legacyName);
+		session->setIdentify(identify);
+	}
 
 	session->open();
 
diff --git a/src/config.cpp b/src/config.cpp
index 5962cc25..816e6fba 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -93,6 +93,7 @@ bool Config::load(std::istream &ifs, boost::program_options::options_description
 		("registration.instructions", value<std::string>()->default_value("Enter your legacy network username and password."), "Instructions showed to user in registration form")
 		("registration.username_label", value<std::string>()->default_value("Legacy network username:"), "Label for username field")
 		("registration.username_mask", value<std::string>()->default_value(""), "Username mask")
+		("registration.auto_register", value<bool>()->default_value(false), "Register new user automatically when the presence arrives.")
 		("registration.encoding", value<std::string>()->default_value("utf8"), "Default encoding in registration form")
 		("registration.require_local_account", value<bool>()->default_value(false), "True if users have to have a local account to register to this transport from remote servers.")
 		("registration.local_username_label", value<std::string>()->default_value("Local username:"), "Label for local usernme field")
diff --git a/src/usermanager.cpp b/src/usermanager.cpp
index 2a9666d4..671509f4 100644
--- a/src/usermanager.cpp
+++ b/src/usermanager.cpp
@@ -214,6 +214,34 @@ void UserManager::handlePresence(Swift::Presence::ref presence) {
 			res.password = m_userRegistry->getUserPassword(userkey);
 		}
 
+		// We allow auto_register feature in gateway-mode. This allows IRC user to register
+		// the transport just by joining the room.
+		if (!m_component->inServerMode()) {
+			if (!registered && CONFIG_BOOL(m_component->getConfig(), "registration.auto_register")) {
+				res.password = "";
+				res.jid = userkey;
+
+				bool isMUC = presence->getPayload<Swift::MUCPayload>() != NULL || *presence->getTo().getNode().c_str() == '#';
+				if (isMUC) {
+					res.uin = presence->getTo().getResource();
+				}
+				else {
+					res.uin = presence->getFrom().toString();
+				}
+				LOG4CXX_INFO(logger, "Auto-registering user " << userkey << " with uin=" << res.uin);
+
+				if (m_storageBackend) {
+					// store user and getUser again to get user ID.
+					m_storageBackend->setUser(res);
+					registered = m_storageBackend->getUser(userkey, res);
+				}
+				else {
+					registered = false;
+				}
+			}
+		}
+
+
 		// Unregistered users are not able to login
 		if (!registered) {
 			LOG4CXX_WARN(logger, "Unregistered user " << userkey << " tried to login");