Mercurial > prosody-modules
annotate mod_flash_policy/mod_flash_policy.lua @ 4537:53ee391ca689
mod_smacks: Fix traceback due to session being destroyed in send()
Sending something can cause the OS to notice that the connection is dead
and then the connection can be dead at this point. More likely if
opportunistic_writes is enabled.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 01 Apr 2021 11:35:26 +0200 |
parents | 7dbde05b48a9 |
children |
rev | line source |
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394
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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1 local filters = require "util.filters"; |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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2 local config = {} |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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3 config.file = module:get_option_string("crossdomain_file", ""); |
395 | 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>]]); |
394
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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changeset
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5 local string = '' |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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changeset
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6 if not config.file ~= '' then |
395 | 7 local f = assert(io.open(config.file)); |
8 string = f:read("*all"); | |
394
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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changeset
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9 else |
395 | 10 string = config.string |
394
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Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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11 end |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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12 |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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13 module:log("debug", "crossdomain string: "..string); |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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changeset
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14 |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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15 module:set_global(); |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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16 |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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17 function filter_policy(data, session) |
395 | 18 -- Since we only want to check the first block of data, remove the filter |
19 filters.remove_filter(session, "bytes/in", filter_policy); | |
20 if data == "<policy-file-request/>\0" then | |
21 session.send(string.."\0"); | |
22 return nil; -- Drop data to prevent it reaching the XMPP parser | |
23 else | |
24 return data; -- Pass data through, it wasn't a policy request | |
25 end | |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
395
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26 |
394
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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27 end |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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28 |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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29 function filter_session(session) |
395 | 30 if session.type == "c2s_unauthed" then |
31 filters.add_filter(session, "bytes/in", filter_policy, -1); | |
32 end | |
394
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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33 end |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
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34 |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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35 function module.load() |
395 | 36 filters.add_filter_hook(filter_session); |
394
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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37 end |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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38 |
4219f69be1cf
Let session.send() actually send the config string
leonbogaert@gmail.com
parents:
379
diff
changeset
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39 function module.unload() |
395 | 40 filters.remove_filter_hook(filter_session); |
379 | 41 end |