Mercurial > prosody-modules
annotate mod_host_status_check/mod_host_status_check.lua @ 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 |
parents | 3d80f8dba886 |
children |
rev | line source |
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2219
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Three new modules: mod_host_status_check, mod_host_status_heartbeat and mod_http_host_status_check
Matthew Wild <mwild1@gmail.com>
parents:
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1 local time = require "socket".gettime; |
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2 |
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3 local heartbeats = module:shared("/*/host_status_check/heartbeats"); |
5fcf9d558250
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4 local connection_events = module:shared("/*/host_status_check/connection_events"); |
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Matthew Wild <mwild1@gmail.com>
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5 |
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Matthew Wild <mwild1@gmail.com>
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6 if prosody.hosts[module.host].type == "component" and module:get_option_string("component_module") == "component" then |
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Matthew Wild <mwild1@gmail.com>
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7 module:hook("component-authenticated", function () |
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8 connection_events[module.host] = { connected = true; timestamp = time() }; |
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9 end); |
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10 |
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11 -- Note: this event is not in 0.9, and requires a recent 0.10 or trunk build |
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12 module:hook("component-disconnected", function () |
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13 connection_events[module.host] = { connected = false; timestamp = time() }; |
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14 end); |
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15 |
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16 module:hook("stanza/xmpp:prosody.im/heartbeat:heartbeat", function () |
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17 heartbeats[module.host] = time(); |
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18 return true; |
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19 end); |
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20 else |
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21 connection_events[module.host] = { connected = true, timestamp = time() }; |
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22 end |
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23 |
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24 function module.unload() |
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25 connection_events[module.host] = { connected = false, timestamp = time() }; |
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parents:
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26 heartbeats[module.host] = nil; |
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27 end |