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annotate mod_lastlog/mod_lastlog.lua @ 1103:59657e03c25c

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mod_lastlog: Make the command show a help message instead of a traceback when no user given
author Kim Alvefur <zash@zash.se>
date Tue, 09 Jul 2013 09:38:10 +0200
parents 59f031d1cd38
children 1e8b793d8ff9
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4134d0e25242 mod_lastlog: New module to record last time a user authenticated
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1 local datamanager = require "util.datamanager";
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2 local jid = require "util.jid";
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3 local time = os.time;
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4 local log_ip = module:get_option_boolean("lastlog_ip_address", false);
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5 local host = module.host;
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6
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7 module:hook("authentication-success", function(event)
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8 local session = event.session;
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9 if session.username then
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10 datamanager.store(session.username, host, "lastlog", {
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11 event = "login";
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12 timestamp = time(),
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13 ip = log_ip and session.ip or nil,
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14 });
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15 end
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16 end);
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17
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18 module:hook("resource-unbind", function(event)
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19 local session = event.session;
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20 if session.username then
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21 datamanager.store(session.username, host, "lastlog", {
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22 event = "logout";
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23 timestamp = time(),
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24 ip = log_ip and session.ip or nil,
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25 });
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26 end
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27 end);
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28
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29 if module:get_option_boolean("lastlog_stamp_offline") then
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30 local function offline_stamp(event)
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31 local stanza = event.stanza;
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32 local node, to_host = jid.split(stanza.attr.from);
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33 if to_host == host and event.origin == hosts[host] and stanza.attr.type == "unavailable" then
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34 local data = datamanager.load(node, host, "lastlog");
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35 local timestamp = data and data.timestamp;
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36 if timestamp then
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37 stanza:tag("delay", {
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38 xmlns = "urn:xmpp:delay",
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39 from = host,
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40 stamp = datetime.datetime(timestamp),
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41 }):up();
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42 end
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43 end
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44 end
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45
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46 module:hook("pre-presence/bare", offline_stamp);
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47 module:hook("pre-presence/full", offline_stamp);
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48 end
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49
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50 function module.command(arg)
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51 if not arg[1] or arg[1] == "--help" then
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52 require"util.prosodyctl".show_usage([[mod_lastlog <user@host>]], [[Show when user last logged in or out]]);
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53 return 1;
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54 end
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55 local user, host = jid.prepped_split(table.remove(arg, 1));
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56 require"core.storagemanager".initialize_host(host);
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57 local lastlog = assert(datamanager.load(user, host, "lastlog"));
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58 if lastlog then
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59 print(("Last %s: %s"):format(lastlog.event or "login",
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60 lastlog.timestamp and os.date("%Y-%m-%d %H:%M:%S", lastlog.timestamp) or "<unknown>"));
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61 if lastlog.ip then
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62 print("IP address: "..lastlog.ip);
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63 end
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64 else
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65 print("No record found");
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66 end
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67 return 0;
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68 end