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prosody
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plugins/mod_vcard.lua @ 13134:638f627e707f
util.datamanager: Add O(1) list indexing with on-disk index
Index file contains offsets and lengths of each item() which allows
seeking directly to each item and reading it without parsing the entire
file.
Also allows tricks like binary search, assuming items have some defined
order.
We take advantage of the 1-based indexing in tables to store a magic
header in the 0 position, so that table index 1 ends up at file index 1.
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 11 May 2021 02:09:56 +0200 |
parent | 12977:74b9e05af71e |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local st = require "prosody.util.stanza" local jid_split = require "prosody.util.jid".split; local vcards = module:open_store(); module:add_feature("vcard-temp"); local function handle_vcard(event) local session, stanza = event.origin, event.stanza; local to = stanza.attr.to; if stanza.attr.type == "get" then local vCard; if to then local node = jid_split(to); vCard = st.deserialize(vcards:get(node)); -- load vCard for user or server else vCard = st.deserialize(vcards:get(session.username));-- load user's own vCard end if vCard then session.send(st.reply(stanza):add_child(vCard)); -- send vCard! else session.send(st.error_reply(stanza, "cancel", "item-not-found")); end else -- stanza.attr.type == "set" if not to then if vcards:set(session.username, st.preserialize(stanza.tags[1])) then session.send(st.reply(stanza)); else -- TODO unable to write file, file may be locked, etc, what's the correct error? session.send(st.error_reply(stanza, "wait", "internal-server-error")); end else session.send(st.error_reply(stanza, "auth", "forbidden")); end end return true; end module:hook("iq/bare/vcard-temp:vCard", handle_vcard); module:hook("iq/host/vcard-temp:vCard", handle_vcard);