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annotate mod_csi_simple_compat/mod_csi_simple_compat.lua @ 4651:8231774f5bfd

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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>
date Sun, 22 Aug 2021 13:22:59 +0200
parents fcea7cf91702
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4006
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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1 local st = require "util.stanza";
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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2
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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3 local important_payloads = module:get_option_set("csi_important_payloads", { });
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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4
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Kim Alvefur <zash@zash.se>
parents:
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5 module:hook("csi-is-stanza-important", function (event)
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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6 local stanza = event.stanza;
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 if st.is_stanza(stanza) then
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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8 for important in important_payloads do
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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9 if stanza:find(important) then
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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10 return true;
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Kim Alvefur <zash@zash.se>
parents:
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11 end
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Kim Alvefur <zash@zash.se>
parents:
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12 end
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
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parents:
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13 end
fcea7cf91702 mod_csi_simple_compat: Module for Prosody 0.11 that adds a setting available from Prosody 0.12
Kim Alvefur <zash@zash.se>
parents:
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14 end);