Mercurial > prosody-modules

annotate mod_clean_roster/mod_clean_roster.lua @ 5085:e384b91d0aa7

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