Mercurial > prosody-modules
view mod_flash_policy/mod_flash_policy.lua @ 5296:0f5657db1cfc
mod_isolate_host: handle server-generated stanzas
The hook for setting the no_host_isolation is only called for c2s
sessions. This does not work for stanzas generated by the server,
such as PEP notifications or presence probe answers.
To handle that, we do per-stanza checks for the case that the origin
is local.
author | Jonas Schäfer <jonas@wielicki.name> |
---|---|
date | Sat, 01 Apr 2023 12:03:08 +0200 |
parents | 7dbde05b48a9 |
children |
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local filters = require "util.filters"; local config = {} config.file = module:get_option_string("crossdomain_file", ""); 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>]]); local string = '' if not config.file ~= '' then local f = assert(io.open(config.file)); string = f:read("*all"); else string = config.string end module:log("debug", "crossdomain string: "..string); module:set_global(); function filter_policy(data, session) -- Since we only want to check the first block of data, remove the filter filters.remove_filter(session, "bytes/in", filter_policy); if data == "<policy-file-request/>\0" then session.send(string.."\0"); return nil; -- Drop data to prevent it reaching the XMPP parser else return data; -- Pass data through, it wasn't a policy request end end function filter_session(session) if session.type == "c2s_unauthed" then filters.add_filter(session, "bytes/in", filter_policy, -1); end end function module.load() filters.add_filter_hook(filter_session); end function module.unload() filters.remove_filter_hook(filter_session); end