Software / code / prosody-modules
Changeset
750:8133dd5f266a
mod_readonly: Allow preventing direct modification of certain user data via XMPP
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 27 Jul 2012 02:38:43 +0100 |
| parents | 749:1a7cdc874b8c |
| children | 751:3c37445f26ac |
| files | mod_readonly/mod_readonly.lua |
| diffstat | 1 files changed, 26 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mod_readonly/mod_readonly.lua Fri Jul 27 02:38:43 2012 +0100 @@ -0,0 +1,26 @@ +local st = require "util.stanza"; + +local stores = module:get_option("readonly_stores", { + vcard = { "vcard-temp", "vCard" }; +}); + +local namespaces = {}; +for name, namespace in pairs(stores) do + namespaces[table.concat(namespace, ":")] = name; +end + +function prevent_write(event) + local stanza = event.stanza; + if stanza.attr.type ~= "set" then return; end + local xmlns_and_tag = stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name; + local store_name = namespaces[xmlns_and_tag]; + if store_name then + module:log("warn", "Preventing modification of %s store by %s", store_name, stanza.attr.from); + event.origin.send(st.error_reply(stanza, "cancel", "not-allowed", store_name.." data is read-only")); + return true; -- Block stanza + end +end + +for namespace in pairs(namespaces) do + module:hook("iq/bare/"..namespace, prevent_write, 200); +end
