Add support for password-protected IRC rooms.

src/bridge/bridge.cpp

@@ -108,7 +108,7 @@ IrcClient* Bridge::get_irc_client(const std::string& hostname)
     }
 }
 
-bool Bridge::join_irc_channel(const Iid& iid, const std::string& username)
+bool Bridge::join_irc_channel(const Iid& iid, const std::string& username, const std::string& password)
 {
   IrcClient* irc = this->get_irc_client(iid.get_server(), username);
   if (iid.get_local().empty())
@@ -135,7 +135,7 @@ bool Bridge::join_irc_channel(const Iid& iid, const std::string& username)
     }
   if (irc->is_channel_joined(iid.get_local()) == false)
     {
-      irc->send_join_command(iid.get_local());
+      irc->send_join_command(iid.get_local(), password);
       return true;
     }
   return false;

src/bridge/bridge.hpp

@@ -58,7 +58,7 @@ public:
    * Try to join an irc_channel, does nothing and return true if the channel
    * was already joined.
    */
-  bool join_irc_channel(const Iid& iid, const std::string& username);
+  bool join_irc_channel(const Iid& iid, const std::string& username, const std::string& password = "");
   void send_channel_message(const Iid& iid, const std::string& body);
   void send_private_message(const Iid& iid, const std::string& body, const std::string& type="PRIVMSG");
   void leave_irc_channel(Iid&& iid, std::string&& status_message);

src/irc/irc_client.cpp

@@ -206,12 +206,12 @@ void IrcClient::send_quit_command(const std::string& reason)
   this->send_message(IrcMessage("QUIT", {reason}));
 }
 
-void IrcClient::send_join_command(const std::string& chan_name)
+void IrcClient::send_join_command(const std::string& chan_name, const std::string& password)
 {
   if (this->welcomed == false)
     this->channels_to_join.push_back(chan_name);
   else
-    this->send_message(IrcMessage("JOIN", {chan_name}));
+    this->send_message(IrcMessage("JOIN", {chan_name, password}));
   this->start();
 }
 

src/irc/irc_client.hpp

@@ -81,7 +81,7 @@ public:
   /**
    * Send the JOIN irc command.
    */
-  void send_join_command(const std::string& chan_name);
+  void send_join_command(const std::string& chan_name, const std::string& password = "");
   /**
    * Send a PRIVMSG command for a channel
    * Return true if the message was actually sent

src/xmpp/xmpp_component.cpp

@@ -338,7 +338,9 @@ void XmppComponent::handle_presence(const Stanza& stanza)
           const std::string own_nick = bridge->get_own_nick(iid);
           if (!own_nick.empty() && own_nick != to.resource)
             bridge->send_irc_nick_change(iid, to.resource);
-          bridge->join_irc_channel(iid, to.resource);
+          XmlNode* x = stanza.get_child("x", MUC_NS);
+          XmlNode* password = x? x->get_child("password", MUC_NS): NULL;
+          bridge->join_irc_channel(iid, to.resource, password? password->get_inner(): "");
         }
       else if (type == "unavailable")
         {