Mercurial > prosody-modules

annotate mod_inotify_reload/mod_inotify_reload.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 82207f936f1f
children
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1 -- mod_inotify_reload
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2 -- Reloads modules when their files change
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3 -- Depends on linotify: https://github.com/hoelzro/linotify
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4
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5 module:set_global();
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6
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7 local inotify = require "inotify";
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8 local modulemanager = require "core.modulemanager";
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9
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10 local inh = inotify.init();
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11
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12 local watches = {};
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13 local watch_ids = {};
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14
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15 require"net.server".watchfd(inh:fileno(), function()
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16 local events = inh:read();
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17 for _, event in ipairs(events) do
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18 local mod = watches[watch_ids[event.wd]];
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19 if mod then
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20 local host, name = mod.host, mod.name;
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21 module:log("debug", "Reloading changed module mod_%s on %s", name, host);
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22 modulemanager.reload(host, name);
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23 else
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24 module:log("warn", "no watch for %d", event.wd);
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25 end
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26 end
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27 end);
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28
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29 function watch_module(name, host, path)
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30 local id, err = inh:addwatch(path, inotify.IN_CLOSE_WRITE);
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31 if not id then return nil, err; end
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32 local k = host.."\0"..name;
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33 watches[k] = { id = id, path = path, name = name, host = host };
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34 watch_ids[id] = k;
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35 module:log("debug", "Watching %s:%s with id %d", name, host, id);
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36 return true;
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37 end
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38
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39 function unwatch_module(name, host)
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40 local k = host.."\0"..name;
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41 if not watches[k] then
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42 module:log("warn", "Not watching %s:%s", name, host);
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43 return nil, "not-watching";
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44 end
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45 local id = watches[k].id;
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46 local ok, err = inh:rmwatch(id);
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47 module:log("info", "Removed watch %d", id);
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48 watches[k] = nil;
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49 watch_ids[id] = nil;
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50 return ok, err;
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51 end
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52
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53 function module_loaded(event)
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54 local host, name = event.host, event.module;
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55 local path = modulemanager.get_module(host, name).module.path;
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56 if not path then
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57 module:log("warn", "Couldn't watch mod_%s, no path", name);
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58 return;
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59 end
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60 if watch_module(name, host, path) then
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61 module:log("debug", "Watching mod_%s", name);
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62 end
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63 end
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64
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65 function module_unloaded(event)
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66 unwatch_module(event.module, event.host);
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67 end
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68
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69 function module.add_host(module)
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70 module:hook("module-loaded", module_loaded);
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71 module:hook("module-unloaded", module_unloaded);
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72 end
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73
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74 module:hook("module-loaded", module_loaded);
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75 module:hook("module-unloaded", module_unloaded);
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76