134 lines
4.1 KiB
C++
134 lines
4.1 KiB
C++
#ifndef XMPP_COMPONENT_INCLUDED
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# define XMPP_COMPONENT_INCLUDED
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#include <network/socket_handler.hpp>
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#include <xmpp/xmpp_parser.hpp>
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#include <bridge/bridge.hpp>
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#include <unordered_map>
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#include <memory>
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#include <string>
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/**
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* An XMPP component, communicating with an XMPP server using the protocole
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* described in XEP-0114: Jabber Component Protocol
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*
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* TODO: implement XEP-0225: Component Connections
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*/
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class XmppComponent: public SocketHandler
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{
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public:
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explicit XmppComponent(const std::string& hostname, const std::string& secret);
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~XmppComponent();
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void on_connected() override final;
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void on_connection_close() override final;
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void parse_in_buffer() override final;
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/**
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* Connect to the XMPP server
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*/
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void start();
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/**
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* Serialize the stanza and add it to the out_buf to be sent to the
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* server.
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*/
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void send_stanza(const Stanza& stanza);
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/**
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* Handle the opening of the remote stream
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*/
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void on_remote_stream_open(const XmlNode& node);
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/**
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* Handle the closing of the remote stream
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*/
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void on_remote_stream_close(const XmlNode& node);
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/**
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* Handle received stanzas
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*/
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void on_stanza(const Stanza& stanza);
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/**
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* Send an error stanza. Message being the name of the element inside the
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* stanza, and explanation being a short human-readable sentence
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* describing the error.
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*/
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void send_stream_error(const std::string& message, const std::string& explanation);
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/**
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* Send the closing signal for our document (not closing the connection though).
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*/
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void close_document();
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/**
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* Send a message from from@served_hostname, with the given body
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*/
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void send_message(const std::string& from, Xmpp::body&& body, const std::string& to);
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/**
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* Send a join from a new participant
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*/
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void send_user_join(const std::string& from,
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const std::string& nick,
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const std::string& realjid,
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const std::string& to);
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/**
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* Send the self join to the user
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*/
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void send_self_join(const std::string& from, const std::string& nick, const std::string& to);
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/**
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* Send the MUC topic to the user
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*/
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void send_topic(const std::string& from, Xmpp::body&& xmpp_topic, const std::string& to);
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/**
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* Send a (non-private) message to the MUC
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*/
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void send_muc_message(const std::string& muc_name, const std::string& nick, Xmpp::body&& body, const std::string& jid_to);
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/**
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* Send an unavailable presence for this nick
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*/
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void send_muc_leave(std::string&& muc_name, std::string&& nick, Xmpp::body&& message, const std::string& jid_to, const bool self);
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/**
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* Indicate that a participant changed his nick
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*/
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void send_nick_change(const std::string& muc_name, const std::string& old_nick, const std::string& new_nick, const std::string& jid_to, const bool self);
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/**
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* An user is kicked from a room
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*/
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void kick_user(const std::string& muc_name,
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const std::string& target,
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const std::string& reason,
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const std::string& author,
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const std::string& jid_to);
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/**
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* Handle the various stanza types
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*/
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void handle_handshake(const Stanza& stanza);
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void handle_presence(const Stanza& stanza);
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void handle_message(const Stanza& stanza);
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void handle_iq(const Stanza& stanza);
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private:
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/**
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* Return the bridge associated with the given full JID. Create a new one
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* if none already exist.
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*/
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Bridge* get_user_bridge(const std::string& user_jid);
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XmppParser parser;
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std::string stream_id;
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std::string served_hostname;
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std::string secret;
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bool authenticated;
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std::unordered_map<std::string, std::function<void(const Stanza&)>> stanza_handlers;
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/**
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* One bridge for each user of the component. Indexed by the user's full
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* jid
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*/
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std::unordered_map<std::string, std::unique_ptr<Bridge>> bridges;
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XmppComponent(const XmppComponent&) = delete;
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XmppComponent(XmppComponent&&) = delete;
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XmppComponent& operator=(const XmppComponent&) = delete;
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XmppComponent& operator=(XmppComponent&&) = delete;
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};
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#endif // XMPP_COMPONENT_INCLUDED
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