Mercurial > prosody-modules

annotate mod_muc_dicebot/mod_muc_dicebot.lua @ 5401:c8d04ac200fc

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mod_http_oauth2: Reject loopback URIs as client_uri This really should be a proper website with info, https://localhost is not good enough. Ideally we'd validate that it's got proper DNS and is actually reachable, but triggering HTTP or even DNS lookups seems like it would carry abuse potential that would best to avoid.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:20:55 +0200
parents 785389a2d2b3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
b305814bd930 mod_muc_dicebot: A thing to roll dice
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4 local s_match = string.match;
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5 local s_gmatch = string.gmatch;
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Jonas Schäfer <jonas@wielicki.name>
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6 local t_insert = table.insert;
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Jonas Schäfer <jonas@wielicki.name>
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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);
b305814bd930 mod_muc_dicebot: A thing to roll dice
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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
b305814bd930 mod_muc_dicebot: A thing to roll dice
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15
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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16 local function roll(sides)
b305814bd930 mod_muc_dicebot: A thing to roll dice
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
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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20 local factor = math.floor(256 / sides);
b305814bd930 mod_muc_dicebot: A thing to roll dice
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>
parents:
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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);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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25 module:log("error", "%d", randomness);
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Jonas Schäfer <jonas@wielicki.name>
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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
b305814bd930 mod_muc_dicebot: A thing to roll dice
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>
parents:
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34 if not is_room_affected(event.room.jid) then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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35 return
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36 end
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37
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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38 local stanza = event.stanza;
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Jonas Schäfer <jonas@wielicki.name>
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39 local body = stanza:get_child("body");
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785389a2d2b3 mod_muc_dicebot: ignore messages without 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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Jonas Schäfer <jonas@wielicki.name>
parents:
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45 module:log("error", "%q %q %q", stanza, body, text);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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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>
parents:
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47 if not dice or dice == "" then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
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48 return
b305814bd930 mod_muc_dicebot: A thing to roll dice
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49 end
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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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 = {};
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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52 local count = 0;
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Jonas Schäfer <jonas@wielicki.name>
parents:
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53 local sum = 0;
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Jonas Schäfer <jonas@wielicki.name>
parents:
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54 for ndice, sep, sides in s_gmatch(dice, "(%d*)([wd]?)(%d+)") do
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Jonas Schäfer <jonas@wielicki.name>
parents:
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55 if not sep or sep == "" then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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56 sides = ndice .. sides
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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57 ndice = "1"
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58 end
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Jonas Schäfer <jonas@wielicki.name>
parents:
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59 local ndice = tonumber(ndice);
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Jonas Schäfer <jonas@wielicki.name>
parents:
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60 count = count + ndice;
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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61 if count > 100 then
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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62 return true
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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63 end
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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64 local sides = tonumber(sides);
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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65 for i=1,ndice do
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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66 local value = roll(sides);
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Jonas Schäfer <jonas@wielicki.name>
parents:
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67 t_insert(results, tostring(value));
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parents:
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68 sum = sum + value;
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parents:
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69 end
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Jonas Schäfer <jonas@wielicki.name>
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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Jonas Schäfer <jonas@wielicki.name>
parents:
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73
b305814bd930 mod_muc_dicebot: A thing to roll dice
Jonas Schäfer <jonas@wielicki.name>
parents:
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74 module:hook("muc-broadcast-message", muc_broadcast_message);