Mercurial > prosody-modules

annotate mod_muc_dicebot/mod_muc_dicebot.lua @ 5549:01a0b67a9afd

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mod_http_oauth2: Add TODO about disabling password grant Per recommendation in draft-ietf-oauth-security-topics-23 it should at the very least be disabled by default. However since this is used by the Snikket web portal some care needs to be taken not to break this, unless it's already broken by other changes to this module.
author Kim Alvefur <zash@zash.se>
date Fri, 16 Jun 2023 00:06:53 +0200
parents 785389a2d2b3
children
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4579
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
1 local muc = module:depends("muc");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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2 local rand = require"util.random";
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3
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4 local s_match = string.match;
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5 local s_gmatch = string.gmatch;
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6 local t_insert = table.insert;
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7 local t_concat = table.concat;
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8
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9 local rooms = module:get_option_set("muc_dicebot_rooms", nil);
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10 local xmlns_nick = "http://jabber.org/protocol/nick";
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11
b305814bd930 mod_muc_dicebot: A thing to roll dice
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12 local function is_room_affected(roomjid)
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13 return not rooms or rooms:contains(roomjid)
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14 end
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15
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Jonas Schäfer <jonas@wielicki.name>
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16 local function roll(sides)
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Jonas Schäfer <jonas@wielicki.name>
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17 if sides > 256 then
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18 return nil, "too many sides"
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19 end
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Jonas Schäfer <jonas@wielicki.name>
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20 local factor = math.floor(256 / sides);
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Jonas Schäfer <jonas@wielicki.name>
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21 local cutoff = sides * factor;
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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22 module:log("error", "%d -> %d %d %d", sides, max, factor, cutoff);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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23 for i=1,10 do
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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24 local randomness = string.byte(rand.bytes(1), 1);
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25 module:log("error", "%d", randomness);
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26 if randomness < cutoff then
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27 return (randomness % sides) + 1
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28 end
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29 end
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Jonas Schäfer <jonas@wielicki.name>
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30 return nil, "failed to find valid number"
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31 end
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32
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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33 local function muc_broadcast_message(event)
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Jonas Schäfer <jonas@wielicki.name>
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34 if not is_room_affected(event.room.jid) then
b305814bd930 mod_muc_dicebot: A thing to roll dice
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35 return
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36 end
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37
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38 local stanza = event.stanza;
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39 local body = stanza:get_child("body");
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40 if not body then
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41 return
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42 end
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43
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b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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44 local text = body:get_text();
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45 module:log("error", "%q %q %q", stanza, body, text);
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Jonas Schäfer <jonas@wielicki.name>
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46 local dice = s_match(text, "^[%.!]r%s(.+)$");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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47 if not dice or dice == "" then
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48 return
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49 end
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50
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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51 local results = {};
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Jonas Schäfer <jonas@wielicki.name>
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52 local count = 0;
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Jonas Schäfer <jonas@wielicki.name>
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53 local sum = 0;
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Jonas Schäfer <jonas@wielicki.name>
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54 for ndice, sep, sides in s_gmatch(dice, "(%d*)([wd]?)(%d+)") do
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55 if not sep or sep == "" then
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Jonas Schäfer <jonas@wielicki.name>
parents:
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56 sides = ndice .. sides
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57 ndice = "1"
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58 end
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59 local ndice = tonumber(ndice);
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60 count = count + ndice;
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61 if count > 100 then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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62 return true
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Jonas Schäfer <jonas@wielicki.name>
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63 end
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Jonas Schäfer <jonas@wielicki.name>
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64 local sides = tonumber(sides);
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65 for i=1,ndice do
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66 local value = roll(sides);
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parents:
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67 t_insert(results, tostring(value));
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68 sum = sum + value;
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69 end
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parents:
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70 end
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Jonas Schäfer <jonas@wielicki.name>
parents:
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71 body:text("\n⇒ "..t_concat(results, " ").." (sum: "..sum..")");
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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72 end
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73
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Jonas Schäfer <jonas@wielicki.name>
parents:
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74 module:hook("muc-broadcast-message", muc_broadcast_message);