prosody-modules
e384b91d0aa7
mod_clean_roster/mod_clean_roster.lua
Software / code / prosody-modules
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mod_clean_roster/mod_clean_roster.lua @ 5085:e384b91d0aa7
mod_clean_roster: Clean out invalid characters from roster entires
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Tue, 22 Nov 2022 16:59:52 +0100 |
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| 5084:dda2af7ed02f | 5085:e384b91d0aa7 |
|---|---|
| 1 local s_find = string.find; | |
| 2 | |
| 3 local pctl = require "util.prosodyctl"; | |
| 4 | |
| 5 local rostermanager = require "core.rostermanager"; | |
| 6 local storagemanager = require "core.storagemanager"; | |
| 7 local usermanager = require "core.usermanager"; | |
| 8 | |
| 9 -- copypaste from util.stanza | |
| 10 local function valid_xml_cdata(str, attr) | |
| 11 return not s_find(str, attr and "[^\1\9\10\13\20-~\128-\247]" or "[^\9\10\13\20-~\128-\247]"); | |
| 12 end | |
| 13 | |
| 14 function module.command(_arg) | |
| 15 if select(2, pctl.isrunning()) then | |
| 16 pctl.show_warning("Stop Prosody before running this command"); | |
| 17 return 1; | |
| 18 end | |
| 19 | |
| 20 for hostname, host in pairs(prosody.hosts) do | |
| 21 if hostname ~= "*" then | |
| 22 if host.users.name == "null" then | |
| 23 storagemanager.initialize_host(hostname); | |
| 24 usermanager.initialize_host(hostname); | |
| 25 end | |
| 26 local fixes = 0; | |
| 27 for username in host.users.users() do | |
| 28 local roster = rostermanager.load_roster(username, hostname); | |
| 29 local changed = false; | |
| 30 for contact, item in pairs(roster) do | |
| 31 if contact ~= false then | |
| 32 if item.name and not valid_xml_cdata(item.name, false) then | |
| 33 item.name = item.name:gsub("[^\9\10\13\20-~\128-\247]", "�"); | |
| 34 fixes = fixes + 1; | |
| 35 changed = true; | |
| 36 end | |
| 37 local clean_groups = {}; | |
| 38 for group in pairs(item.groups) do | |
| 39 if valid_xml_cdata(group, false) then | |
| 40 clean_groups[group] = true; | |
| 41 else | |
| 42 clean_groups[group:gsub("[^\9\10\13\20-~\128-\247]", "�")] = true; | |
| 43 fixes = fixes + 1; | |
| 44 changed = true; | |
| 45 end | |
| 46 end | |
| 47 item.groups = clean_groups; | |
| 48 else | |
| 49 -- pending entries etc | |
| 50 end | |
| 51 end | |
| 52 if changed then | |
| 53 assert(rostermanager.save_roster(username, hostname, roster)); | |
| 54 end | |
| 55 end | |
| 56 pctl.show_message("Fixed %d items on host %s", fixes, hostname); | |
| 57 end | |
| 58 end | |
| 59 return 0; | |
| 60 end |
