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mod_http_host_status_check/README.markdown @ 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> |
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date | Sun, 22 Aug 2021 13:22:59 +0200 |
parent | 2241:2a16a6c67288 |
child | 5923:694b62d8a82f |
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--- labels: Stage-Beta summary: HTTP Host Status Check ... Introduction ============ This module exposes serves over HTTP the information collected by [mod\_host\_status\_check] and [mod\_host\_status\_heartbeat] in a convenient format for automated monitoring tools. Configuration ============= [mod\_http\_status\_check] relies on Prosodys HTTP server and mod\_http for serving HTTP requests. See [Prosodys HTTP server documentation][doc:http] for information about how to configure ports, HTTP Host names etc. Simply add this module to modules\_enabled for the host you would like to serve it from. There is a single configuration option: ``` {.lua} -- The maximum number of seconds that a host can go without sending a heartbeat, -- before we mark it as TIMEOUT (default: 5) status_check_heartbeat_threshold = 5; ``` Compatibility ============= Works with Prosody 0.9.x and later.