prosody
033ea8b46d6a
plugins/mod_announce.lua

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plugins/mod_announce.lua @ 13144:033ea8b46d6a

mod_storage_sql: Compose a keyval+ store out of keyval and map store methods Removes the need for the shim in storagemanager. The methods only really access the 'store' property of the first (self) argument, so this is safe.
author Kim Alvefur <zash@zash.se>
date Sat, 10 Jun 2023 16:39:48 +0200
parent 12977:74b9e05af71e
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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 = require "prosody.util.stanza", require "prosody.util.jid";
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10
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11 local hosts = prosody.hosts;
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12
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13 function send_to_online(message, host)
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14 local sessions;
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15 if host then
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16 sessions = { [host] = hosts[host] };
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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 module:send(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 module:default_permission("prosody:admin", ":send-announcement");
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37
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38 -- Old <message>-based jabberd-style announcement sending
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39 function handle_announcement(event)
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40 local stanza = event.stanza;
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41 -- luacheck: ignore 211/node
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42 local node, host, resource = jid.split(stanza.attr.to);
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43
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44 if resource ~= "announce/online" then
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45 return; -- Not an announcement
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46 end
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47
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48 if not module:may(":send-announcement", event) then
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49 -- Not allowed!
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50 module:log("warn", "Non-admin '%s' tried to send server announcement", stanza.attr.from);
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51 return;
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52 end
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53
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54 module:log("info", "Sending server announcement to all online users");
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55 local message = st.clone(stanza);
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56 message.attr.type = "headline";
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57 message.attr.from = host;
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58
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59 local c = send_to_online(message, host);
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60 module:log("info", "Announcement sent to %d online users", c);
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61 return true;
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62 end
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63 module:hook("message/host", handle_announcement);
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64
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65 -- Ad-hoc command (XEP-0133)
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66 local dataforms_new = require "prosody.util.dataforms".new;
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67 local announce_layout = dataforms_new{
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68 title = "Making an Announcement";
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69 instructions = "Fill out this form to make an announcement to all\nactive users of this service.";
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70
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71 { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
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72 { name = "subject", type = "text-single", label = "Subject" };
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73 { name = "announcement", type = "text-multi", required = true, label = "Announcement" };
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74 };
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75
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76 function announce_handler(_, data, state)
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77 if state then
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78 if data.action == "cancel" then
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79 return { status = "canceled" };
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80 end
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81
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82 local fields = announce_layout:data(data.form);
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83
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84 module:log("info", "Sending server announcement to all online users");
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85 local message = st.message({type = "headline"}, fields.announcement):up()
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86 :tag("subject"):text(fields.subject or "Announcement");
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87
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88 local count = send_to_online(message, data.to);
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89
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90 module:log("info", "Announcement sent to %d online users", count);
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91 return { status = "completed", info = ("Announcement sent to %d online users"):format(count) };
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92 else
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93 return { status = "executing", actions = {"next", "complete", default = "complete"}, form = announce_layout }, "executing";
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94 end
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95 end
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96
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97 module:depends "adhoc";
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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:provides("adhoc", announce_desc);
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101