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annotate mod_inotify_reload/mod_inotify_reload.lua @ 5617:d8622797e315

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mod_http_oauth2: Shorten default token validity periods With refresh tokens, short lifetime for access tokens is not a problem. The arbitrary choice of one hour seems reasonable. RFC 6749 has it as example value. One week for refresh tokens matching the default archive retention period. This means that a client that remains unused for one week will have to sign in again. An actively used client will continually push that forward with each used refresh token.
author Kim Alvefur <zash@zash.se>
date Mon, 24 Jul 2023 01:30:14 +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