prosody
a2e6605303fa
util/envload.lua

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util/envload.lua @ 12205:a2e6605303fa

net.connect: Allow passing TLS context from resolver Only allowing it to be passed directly makes it hard to combine plain (i.e. starttls) and Direct TLS connections in the same connection resolution procedure. But now we can, using chained resolvers!
author Kim Alvefur <zash@zash.se>
date Fri, 21 Jan 2022 17:57:47 +0100
parent 8416:bc9cb23b604a
child 12576:d1aacc6a81ac
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ef1eb65acbba util.envload: New module to abstract Lua 5.1's setfenv and Lua 5.2's load
Florian Zeitz <florob@babelmonkeys.de>
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2011 Florian Zeitz
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3 --
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4 -- This project is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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7 -- luacheck: ignore 113/setfenv 113/loadstring
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8
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9 local load, loadstring, setfenv = load, loadstring, setfenv;
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10 local io_open = io.open;
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11 local envload;
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12 local envloadfile;
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13
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14 if setfenv then
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15 function envload(code, source, env)
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16 local f, err = loadstring(code, source);
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17 if f and env then setfenv(f, env); end
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18 return f, err;
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19 end
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21 function envloadfile(file, env)
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22 local fh, err, errno = io_open(file);
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23 if not fh then return fh, err, errno; end
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24 local f, err = load(function () return fh:read(2048); end, "@"..file);
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25 fh:close();
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26 if f and env then setfenv(f, env); end
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27 return f, err;
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28 end
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29 else
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30 function envload(code, source, env)
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31 return load(code, source, nil, env);
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32 end
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parents:
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33
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34 function envloadfile(file, env)
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35 local fh, err, errno = io_open(file);
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36 if not fh then return fh, err, errno; end
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37 local f, err = load(fh:lines(2048), "@"..file, nil, env);
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38 fh:close();
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39 return f, err;
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parents:
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40 end
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41 end
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parents:
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42
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43 return { envload = envload, envloadfile = envloadfile };