prosody-modules
2393dbae51ed
mod_groups_muc_bookmarks/mod_groups_muc_bookmarks.lua

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mod_groups_muc_bookmarks/mod_groups_muc_bookmarks.lua @ 5416:2393dbae51ed

mod_http_oauth2: Add option for specifying TTL of registered clients Meant to simplify configuration, since TTL vs ignoring expiration is expected to be the main thing one would want to configure. Unsure what the implications of having unlimited lifetime of clients are, given no way to revoke them currently, short of rotating the signing secret. On one hand, it would be annoying to have the client expire. On the other hand, it is trivial to re-register it.
author Kim Alvefur <zash@zash.se>
date Thu, 04 May 2023 18:41:33 +0200
parent 4863:fdf50c4d23a3
child 5709:d5ff386dc97f
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1 local jid_split = require "util.jid".split;
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2
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3 local st = require "util.stanza";
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4
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5 local mod_groups = module:depends("groups_internal")
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6 local mod_pep = module:depends("pep")
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7
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8 local XMLNS_BM2 = "urn:xmpp:bookmarks:1";
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9 local XMLNS_XEP0060 = "http://jabber.org/protocol/pubsub";
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10
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11 local default_options = {
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12 ["persist_items"] = true;
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13 ["max_items"] = "max";
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14 ["send_last_published_item"] = "never";
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15 ["access_model"] = "whitelist";
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16 };
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17
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18 local function get_current_bookmarks(jid, service)
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19 local ok, items = service:get_items(XMLNS_BM2, jid)
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20 if not ok then
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21 if items == "item-not-found" then
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22 return {}, nil;
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23 else
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24 return nil, items;
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25 end
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26 end
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27 return items or {};
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28 end
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29
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30 local function update_bookmark(jid, service, room, bookmark)
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31 local ok, err = service:publish(XMLNS_BM2, jid, room, bookmark, default_options);
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32 if ok then
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33 module:log("debug", "found existing matching bookmark, updated")
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34 else
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35 module:log("error", "failed to update bookmarks: %s", err)
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36 end
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37 end
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38
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39 local function find_matching_bookmark(storage, room)
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40 return storage[room];
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41 end
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42
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43 local function inject_bookmark(jid, room, autojoin, name)
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44 local pep_service = mod_pep.get_pep_service(jid_split(jid))
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45
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46 local current, err = get_current_bookmarks(jid, pep_service);
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47 if err then
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48 module:log("error", "Could not retrieve existing bookmarks for %s: %s", jid, err);
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49 return;
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50 end
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51 local found = find_matching_bookmark(current, room)
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52 if found then
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53 local existing = found:get_child("conference", XMLNS_BM2);
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54 if autojoin ~= nil then
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55 existing.attr.autojoin = autojoin and "true" or "false"
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56 end
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57 if name ~= nil then
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58 -- do not change already configured names
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59 if not existing.attr.name then
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60 existing.attr.name = name
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61 end
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62 end
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63 else
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64 module:log("debug", "no existing bookmark found, adding new")
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65 found = st.stanza("item", { xmlns = XMLNS_XEP0060; id = room })
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66 :tag("conference", { xmlns = XMLNS_BM2; name = name; autojoin = autojoin and "true" or "false"; })
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67 end
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68
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69 update_bookmark(jid, pep_service, room, found)
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70 end
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71
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72 local function remove_bookmark(jid, room, autojoin, name)
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73 local pep_service = mod_pep.get_pep_service(jid_split(jid))
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74
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75 return pep_service:retract(XMLNS_BM2, jid, room, st.stanza("retract", { id = room }));
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76 end
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77
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78 local function handle_user_added(event)
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79 if not event.group_info.muc_jid then
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80 module:log("debug", "ignoring user added event on group %s because it has no MUC", event.id)
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81 return
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82 end
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83 local jid = event.user .. "@" .. event.host
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84 inject_bookmark(jid, event.group_info.muc_jid, true, event.group_info.name)
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85 end
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86
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87 local function handle_user_removed(event)
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88 if not event.group_info.muc_jid then
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89 module:log("debug", "ignoring user removed event on group %s because it has no MUC", event.id)
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90 return
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91 end
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92 -- Removing the bookmark is fine as the user just lost any privilege to
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93 -- be in the MUC (as group MUCs are members-only).
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94 local jid = event.user .. "@" .. event.host
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95 remove_bookmark(jid, event.group_info.muc_jid, true, event.group_info.name)
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96 end
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97
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98 module:hook("group-user-added", handle_user_added)
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99 module:hook("group-user-removed", handle_user_removed)