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annotate mod_flash_policy/mod_flash_policy.lua @ 4989:b74d592df9e2

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mod_http_muc_log: Remove dead code This might be something left over since a different variant where the loop went like `for n = i-1, i-100, -1 do ... end` i.e. it went trough a fixed number of items instead of all the page until the current message. Then it would have needed something to stop going over the end, but since the checks are simple it shouldn't be much of a problem looping over even a very busy day.
author Kim Alvefur <zash@zash.se>
date Tue, 16 Aug 2022 01:27:59 +0200
parents 7dbde05b48a9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4219f69be1cf Let session.send() actually send the config string
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1 local filters = require "util.filters";
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2 local config = {}
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3 config.file = module:get_option_string("crossdomain_file", "");
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4 config.string = module:get_option_string("crossdomain_string", [[<?xml version="1.0"?><!DOCTYPE cross-domain-policy SYSTEM "/xml/dtds/cross-domain-policy.dtd"><cross-domain-policy><site-control permitted-cross-domain-policies="master-only"/><allow-access-from domain="*" /></cross-domain-policy>]]);
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5 local string = ''
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6 if not config.file ~= '' then
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7 local f = assert(io.open(config.file));
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8 string = f:read("*all");
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9 else
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10 string = config.string
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11 end
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12
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13 module:log("debug", "crossdomain string: "..string);
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14
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15 module:set_global();
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17 function filter_policy(data, session)
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18 -- Since we only want to check the first block of data, remove the filter
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19 filters.remove_filter(session, "bytes/in", filter_policy);
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20 if data == "<policy-file-request/>\0" then
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21 session.send(string.."\0");
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22 return nil; -- Drop data to prevent it reaching the XMPP parser
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23 else
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24 return data; -- Pass data through, it wasn't a policy request
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25 end
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26
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27 end
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29 function filter_session(session)
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30 if session.type == "c2s_unauthed" then
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31 filters.add_filter(session, "bytes/in", filter_policy, -1);
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32 end
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33 end
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34
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35 function module.load()
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36 filters.add_filter_hook(filter_session);
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37 end
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38
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39 function module.unload()
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40 filters.remove_filter_hook(filter_session);
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41 end