annotate mod_persisthosts/mod_persisthosts.lua @ 4651:8231774f5bfd

mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8 The `body:sub()` call risks splitting the string in the middle of a multi-byte UTF-8 sequence. This should have been caught by util.stanza validation, but that would have caused some havoc, at the very least causing the notification to not be sent. There have been no reports of this happening. Likely because this module isn't widely deployed among users with languages that use many longer UTF-8 sequences. The util.encodings.utf8.valid() function is O(n) where only the last sequence really needs to be checked, but it's in C and expected to be fast.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Aug 2021 13:22:59 +0200
parents 366fadb5c6e5
children
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c563f4d64302 mod_persisthosts: Module that dynamically creates stub configuration files for dynamically activated hosts
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1 -- mod_persisthosts
c563f4d64302 mod_persisthosts: Module that dynamically creates stub configuration files for dynamically activated hosts
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2 module:set_global();
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4 local set = require"util.set";
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5 local stat = require"lfs".attributes;
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6 local resolve_relative_path = require"core.configmanager".resolve_relative_path;
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8 local vhost_path = module:get_option_string("persisthosts_path", "conf.d");
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9 local path_pattern = resolve_relative_path(prosody.paths.config, vhost_path) .. "/%s.cfg.lua";
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11 local original = set.new();
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12 original:include(prosody.hosts);
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14 module:hook("host-activated", function(host)
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15 if not original:contains(host) then
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16 local path = path_pattern:format(host);
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17 if not stat(path) then
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18 local fh, err = io.open(path, "w");
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19 if fh then
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20 fh:write(("VirtualHost%q\n"):format(host));
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366fadb5c6e5 mod_persisthosts: Fire an event to allow other modules a chance to write to the new config file
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21 module:fire_event("host-persisted", { host = host, file = fh });
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22 fh:close();
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23 module:log("info", "Config file for host '%s' created", host);
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24 else
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25 module:log("error", "Could not open '%s' for writing: %s", path, err or "duno");
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26 end
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27 else
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28 module:log("debug", "File '%s' existed already", path);
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29 end
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30 else
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31 module:log("debug", "VirtualHost '%s' existed already", host);
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32 end
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33 end);
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34