prosody
c1b687a5818d
plugins/mod_announce.lua

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plugins/mod_announce.lua @ 3268:c1b687a5818d

mod_auth_internal_hashed: Don't assume user doesn't exist if no recognizable authentication data is found.
author Waqas Hussain <waqas20@gmail.com>
date Tue, 15 Jun 2010 09:11:10 +0500
parent 3228:65e5dfcf5a9f
child 3275:05c1d8269043
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local st, jid, set = require "util.stanza", require "util.jid", require "util.set";
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10
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11 local is_admin = require "core.usermanager".is_admin;
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12 local admins = set.new(config.get(module:get_host(), "core", "admins"));
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13
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14 function send_to_online(message, server)
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15 if server then
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16 sessions = { [server] = hosts[server] };
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17 else
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18 sessions = hosts;
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19 end
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20
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21 local c = 0;
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22 for hostname, host_session in pairs(sessions) do
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23 if host_session.sessions then
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24 message.attr.from = hostname;
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25 for username in pairs(host_session.sessions) do
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26 c = c + 1;
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27 message.attr.to = username.."@"..hostname;
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28 core_post_stanza(host_session, message);
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29 end
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30 end
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31 end
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32
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33 return c;
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34 end
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35
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36
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37 -- Old <message>-based jabberd-style announcement sending
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38 function handle_announcement(data)
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39 local origin, stanza = data.origin, data.stanza;
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40 local host, resource = select(2, jid.split(stanza.attr.to));
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41
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42 if resource ~= "announce/online" then
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43 return; -- Not an announcement
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44 end
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45
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46 if not is_admin(stanza.attr.from) then
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47 -- Not an admin? Not allowed!
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48 module:log("warn", "Non-admin %s tried to send server announcement", tostring(jid.bare(stanza.attr.from)));
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49 return;
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50 end
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51
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52 module:log("info", "Sending server announcement to all online users");
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53 local host_session = hosts[host];
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54 local message = st.clone(stanza);
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55 message.attr.type = "headline";
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56 message.attr.from = host;
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57
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58 local c = send_to_online(message, host);
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59 module:log("info", "Announcement sent to %d online users", c);
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60 return true;
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61 end
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62 module:hook("message/host", handle_announcement);
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63
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64 -- Ad-hoc command (XEP-0133)
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65 local dataforms_new = require "util.dataforms".new;
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66 local announce_layout = dataforms_new{
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67 title = "Making an Announcement";
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68 instructions = "Fill out this form to make an announcement to all\nactive users of this service.";
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69
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70 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
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71 { name = "subject", type = "text-single", label = "Subject" };
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72 { name = "announcement", type = "text-multi", required = true, label = "Announcement" };
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73 };
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74
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75 function announce_handler(self, data, state)
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76 if state then
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77 if data.action == "cancel" then
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78 return { status = "canceled" };
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79 end
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80
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81 local fields = announce_layout:data(data.form);
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82
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83 module:log("info", "Sending server announcement to all online users");
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84 local message = st.message({type = "headline"}, fields.announcement):up()
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85 :tag("subject"):text(fields.subject or "Announcement");
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86
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87 local count = send_to_online(message, data.to);
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88
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89 module:log("info", "Announcement sent to %d online users", count);
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90 return { status = "completed", info = ("Announcement sent to %d online users"):format(count) };
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91 else
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92 return { status = "executing", form = announce_layout }, "executing";
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93 end
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94
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95 return true;
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96 end
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97
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98 local adhoc_new = module:require "adhoc".new;
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99 local announce_desc = adhoc_new("Send Announcement to Online Users", "http://jabber.org/protocol/admin#announce", announce_handler, "admin");
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100 module:add_item("adhoc", announce_desc);
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101