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authorKim Alvefur <zash@zash.se>2021-08-31 11:26:42 +0200
committerKim Alvefur <zash@zash.se>2021-08-31 11:26:42 +0200
commitb430cda5c7c87b20ae26b1d78b61be0ae0013241 (patch)
tree231921ab5ad00e29b0a56d86eb4134769ab29aca /plugins
parent2937b1672bd28c5c40c2a9a11599bdf9f7794ebf (diff)
downloadprosody-b430cda5c7c87b20ae26b1d78b61be0ae0013241.tar.gz
prosody-b430cda5c7c87b20ae26b1d78b61be0ae0013241.zip
mod_mam: Only check for locally generated stanza-ids
Otherwise a message archived by a remote server would be incorrectly silently discarded. This should be safe from spoofing thanks to strip_stanza_id earlier in the event chain.
Diffstat (limited to 'plugins')
-rw-r--r--plugins/mod_mam/mod_mam.lua7
1 files changed, 5 insertions, 2 deletions
diff --git a/plugins/mod_mam/mod_mam.lua b/plugins/mod_mam/mod_mam.lua
index 671967c3..50401aa1 100644
--- a/plugins/mod_mam/mod_mam.lua
+++ b/plugins/mod_mam/mod_mam.lua
@@ -480,8 +480,11 @@ module:hook("pre-message/full", strip_stanza_id_after_other_events, -1);
-- which would not be accurate because it has been archived.
module:hook("message/offline/handle", function(event)
local stanza = event.stanza;
- if stanza:get_child("stanza-id", xmlns_st_id) then
- return true;
+ local user = event.username .. "@" .. host;
+ for st_id in stanza:childtags("stanza-id", xmlns_st_id) do
+ if st_id.attr.by == user then
+ return true;
+ end
end
end, -2);