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authorVasudev Kamath <vasudev@copyninja.info>2016-10-23 21:09:41 +0530
committerVasudev Kamath <vasudev@copyninja.info>2016-10-23 21:09:41 +0530
commit4e4de7284e6e4d89d182ea459823bbec1e408842 (patch)
tree47e0ed5216b48649b138f168f61fddca2b0c076a /louloulibs/xmpp/xmpp_component.hpp
parentdfb3a6edfacf2f16a8a63690b3e8058b6295d1a3 (diff)
parenteda4b75b1cff83336e87da90efca9fd6b4ced2c7 (diff)
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Updated version 3.0 from 'upstream/3.0'
with Debian dir 0f18938e98f5a466f36719f60cef0490163ab845
Diffstat (limited to 'louloulibs/xmpp/xmpp_component.hpp')
-rw-r--r--louloulibs/xmpp/xmpp_component.hpp243
1 files changed, 243 insertions, 0 deletions
diff --git a/louloulibs/xmpp/xmpp_component.hpp b/louloulibs/xmpp/xmpp_component.hpp
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+++ b/louloulibs/xmpp/xmpp_component.hpp
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+#pragma once
+
+
+#include <xmpp/adhoc_commands_handler.hpp>
+#include <network/tcp_socket_handler.hpp>
+#include <xmpp/xmpp_parser.hpp>
+#include <xmpp/body.hpp>
+
+#include <unordered_map>
+#include <memory>
+#include <string>
+#include <map>
+
+#define STREAM_NS "http://etherx.jabber.org/streams"
+#define COMPONENT_NS "jabber:component:accept"
+#define MUC_NS "http://jabber.org/protocol/muc"
+#define MUC_USER_NS MUC_NS"#user"
+#define MUC_ADMIN_NS MUC_NS"#admin"
+#define DISCO_NS "http://jabber.org/protocol/disco"
+#define DISCO_ITEMS_NS DISCO_NS"#items"
+#define DISCO_INFO_NS DISCO_NS"#info"
+#define XHTMLIM_NS "http://jabber.org/protocol/xhtml-im"
+#define STANZA_NS "urn:ietf:params:xml:ns:xmpp-stanzas"
+#define STREAMS_NS "urn:ietf:params:xml:ns:xmpp-streams"
+#define VERSION_NS "jabber:iq:version"
+#define ADHOC_NS "http://jabber.org/protocol/commands"
+#define PING_NS "urn:xmpp:ping"
+
+/**
+ * An XMPP component, communicating with an XMPP server using the protocole
+ * described in XEP-0114: Jabber Component Protocol
+ *
+ * TODO: implement XEP-0225: Component Connections
+ */
+class XmppComponent: public TCPSocketHandler
+{
+public:
+ explicit XmppComponent(std::shared_ptr<Poller> poller, const std::string& hostname, const std::string& secret);
+ virtual ~XmppComponent() = default;
+
+ XmppComponent(const XmppComponent&) = delete;
+ XmppComponent(XmppComponent&&) = delete;
+ XmppComponent& operator=(const XmppComponent&) = delete;
+ XmppComponent& operator=(XmppComponent&&) = delete;
+
+ void on_connection_failed(const std::string& reason) override final;
+ void on_connected() override final;
+ void on_connection_close(const std::string& error) override final;
+ void parse_in_buffer(const size_t size) override final;
+
+ /**
+ * Returns a unique id, to be used in the 'id' element of our iq stanzas.
+ */
+ static std::string next_id();
+ bool is_document_open() const;
+ /**
+ * Connect to the XMPP server.
+ */
+ void start();
+ /**
+ * Reset the component so we can use the component on a new XMPP stream
+ */
+ void reset();
+ /**
+ * Serialize the stanza and add it to the out_buf to be sent to the
+ * server.
+ */
+ void send_stanza(const Stanza& stanza);
+ /**
+ * Handle the opening of the remote stream
+ */
+ void on_remote_stream_open(const XmlNode& node);
+ /**
+ * Handle the closing of the remote stream
+ */
+ void on_remote_stream_close(const XmlNode& node);
+ /**
+ * Handle received stanzas
+ */
+ void on_stanza(const Stanza& stanza);
+ /**
+ * Send an error stanza. Message being the name of the element inside the
+ * stanza, and explanation being a short human-readable sentence
+ * describing the error.
+ */
+ void send_stream_error(const std::string& message, const std::string& explanation);
+ /**
+ * Send error stanza, described in http://xmpp.org/rfcs/rfc6120.html#stanzas-error
+ */
+ void send_stanza_error(const std::string& kind, const std::string& to, const std::string& from,
+ const std::string& id, const std::string& error_type,
+ const std::string& defined_condition, const std::string& text,
+ const bool fulljid=true);
+ /**
+ * Send the closing signal for our document (not closing the connection though).
+ */
+ void close_document();
+ /**
+ * Send a message from from@served_hostname, with the given body
+ *
+ * If fulljid is false, the provided 'from' doesn't contain the
+ * server-part of the JID and must be added.
+ */
+ void send_message(const std::string& from, Xmpp::body&& body,
+ const std::string& to, const std::string& type,
+ const bool fulljid=false);
+ /**
+ * Send a join from a new participant
+ */
+ void send_user_join(const std::string& from,
+ const std::string& nick,
+ const std::string& realjid,
+ const std::string& affiliation,
+ const std::string& role,
+ const std::string& to,
+ const bool self);
+ /**
+ * Send an error to indicate that the user tried to join an invalid room
+ */
+ void send_invalid_room_error(const std::string& muc_jid,
+ const std::string& nick,
+ const std::string& to);
+ /**
+ * Send an error to indicate that the user tried to send a message to an
+ * invalid user.
+ */
+ void send_invalid_user_error(const std::string& user_name,
+ const std::string& to);
+ /**
+ * Send the MUC topic to the user
+ */
+ void send_topic(const std::string& from, Xmpp::body&& xmpp_topic, const std::string& to, const std::string& who);
+ /**
+ * Send a (non-private) message to the MUC
+ */
+ void send_muc_message(const std::string& muc_name, const std::string& nick, Xmpp::body&& body, const std::string& jid_to);
+ /**
+ * Send an unavailable presence for this nick
+ */
+ void send_muc_leave(const std::string& muc_name, std::string&& nick, Xmpp::body&& message, const std::string& jid_to, const bool self);
+ /**
+ * Indicate that a participant changed his nick
+ */
+ void send_nick_change(const std::string& muc_name,
+ const std::string& old_nick,
+ const std::string& new_nick,
+ const std::string& affiliation,
+ const std::string& role,
+ const std::string& jid_to,
+ const bool self);
+ /**
+ * An user is kicked from a room
+ */
+ void kick_user(const std::string& muc_name,
+ const std::string& target,
+ const std::string& reason,
+ const std::string& author,
+ const std::string& jid_to);
+ /**
+ * Send a generic presence error
+ */
+ void send_presence_error(const std::string& muc_name,
+ const std::string& nickname,
+ const std::string& jid_to,
+ const std::string& type,
+ const std::string& condition,
+ const std::string& error_code,
+ const std::string& text);
+ /**
+ * Send a presence from the MUC indicating a change in the role and/or
+ * affiliation of a participant
+ */
+ void send_affiliation_role_change(const std::string& muc_name,
+ const std::string& target,
+ const std::string& affiliation,
+ const std::string& role,
+ const std::string& jid_to);
+ /**
+ * Send a result IQ with the gateway disco informations.
+ */
+ void send_self_disco_info(const std::string& id, const std::string& jid_to);
+ /**
+ * Send a result IQ with the given version, or the gateway version if the
+ * passed string is empty.
+ */
+ void send_version(const std::string& id, const std::string& jid_to, const std::string& jid_from,
+ const std::string& version="");
+ /**
+ * Send the list of all available ad-hoc commands to that JID. The list is
+ * different depending on what JID made the request.
+ */
+ void send_adhoc_commands_list(const std::string& id, const std::string& requester_jid, const std::string& from_jid,
+ const bool with_admin_only, const AdhocCommandsHandler& adhoc_handler);
+ /**
+ * Send an iq version request
+ */
+ void send_iq_version_request(const std::string& from,
+ const std::string& jid_to);
+ /**
+ * Send an empty iq of type result
+ */
+ void send_iq_result(const std::string& id, const std::string& to_jid, const std::string& from);
+ void send_iq_result_full_jid(const std::string& id, const std::string& to_jid,
+ const std::string& from_full_jid);
+
+ void handle_handshake(const Stanza& stanza);
+ void handle_error(const Stanza& stanza);
+
+ virtual void after_handshake() {}
+
+ /**
+ * Whether or not we ever succeeded our authentication to the XMPP server
+ */
+ bool ever_auth;
+ /**
+ * Whether or not this is the first consecutive try on connecting to the
+ * XMPP server. We use this to delay the connection attempt for a few
+ * seconds, if it is not the first try.
+ */
+ bool first_connection_try;
+
+private:
+ /**
+ * Return a buffer provided by the XML parser, to read data directly into
+ * it, and avoiding some unnecessary copy.
+ */
+ void* get_receive_buffer(const size_t size) const override final;
+ XmppParser parser;
+ std::string stream_id;
+ std::string secret;
+ bool authenticated;
+ /**
+ * Whether or not OUR XMPP document is open
+ */
+ bool doc_open;
+protected:
+ std::string served_hostname;
+
+ std::unordered_map<std::string, std::function<void(const Stanza&)>> stanza_handlers;
+ AdhocCommandsHandler adhoc_commands_handler;
+};
+
+