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63 lines
2.1 KiB
63 lines
2.1 KiB
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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-- Copyright (C) 2015 Sipwise GmbH <development@sipwise.com>
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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-- TODO: permanent storage
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local st = require "util.stanza";
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local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;
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local jid_bare = require "util.jid".bare;
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local jid_split = require "util.jid".split;
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local sessions = module:shared("sessions");
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module:add_feature("jabber:iq:last");
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local map = {};
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-- lastactivity: any change of presence
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module:hook("pre-presence/bare", function(event)
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local stanza = event.stanza;
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if not(stanza.attr.to) then
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local t = os.time();
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local s = stanza:child_with_name("status");
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s = s and #s.tags == 0 and s[1] or "";
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map[event.origin.username] = {s = s, t = t};
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module:log("debug", string.format("change of presence:%s from:%s",
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tostring(s), tostring(event.origin.username)));
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end
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end, 10);
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local function msg_handler(event)
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local origin, stanza = event.origin, event.stanza;
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local username = jid_split(stanza.attr.from) or origin.username;
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map[username] = {s = "online", t = os.time()};
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module:log("debug", string.format("%s from: %s",
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tostring(stanza.attr.type), tostring(username)));
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end
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-- lastactivity: any message sent
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module:hook("pre-message/bare", msg_handler);
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module:hook("pre-message/full", msg_handler);
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module:hook("iq/bare/jabber:iq:last:query", function(event)
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local origin, stanza = event.origin, event.stanza;
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if stanza.attr.type == "get" then
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local username = jid_split(stanza.attr.to) or origin.username;
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if not stanza.attr.to or is_contact_subscribed(username, module.host, jid_bare(stanza.attr.from)) then
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local seconds, text = nil, "";
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if not sessions[origin.conn] and map[username] then
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seconds = tostring(os.difftime(os.time(), map[username].t));
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text = map[username].s;
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end
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origin.send(st.reply(stanza):tag('query', {xmlns='jabber:iq:last', seconds=seconds}):text(text));
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else
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origin.send(st.error_reply(stanza, 'auth', 'forbidden'));
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end
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return true;
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end
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end);
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