diff options
Diffstat (limited to 'plugins/mod_mam')
| -rw-r--r-- | plugins/mod_mam/mod_mam.lua | 151 |
1 files changed, 123 insertions, 28 deletions
diff --git a/plugins/mod_mam/mod_mam.lua b/plugins/mod_mam/mod_mam.lua index e7d89a95..dd498fdd 100644 --- a/plugins/mod_mam/mod_mam.lua +++ b/plugins/mod_mam/mod_mam.lua @@ -25,6 +25,7 @@ local jid_bare = require "util.jid".bare; local jid_split = require "util.jid".split; local jid_prepped_split = require "util.jid".prepped_split; local dataform = require "util.dataforms".new; +local get_form_type = require "util.dataforms".get_type; local host = module.host; local rm_load_roster = require "core.rostermanager".load_roster; @@ -40,6 +41,11 @@ local strip_tags = module:get_option_set("dont_archive_namespaces", { "http://ja local archive_store = module:get_option_string("archive_store", "archive"); local archive = module:open_store(archive_store, "archive"); +local cleanup_after = module:get_option_string("archive_expires_after", "1w"); +local cleanup_interval = module:get_option_number("archive_cleanup_interval", 4 * 60 * 60); +local archive_item_limit = module:get_option_number("storage_archive_item_limit", archive.caps and archive.caps.quota or 1000); +local archive_truncate = math.floor(archive_item_limit * 0.99); + if not archive.find then error("mod_"..(archive._provided_by or archive.name and "storage_"..archive.name).." does not support archiving\n" .."See https://prosody.im/doc/storage and https://prosody.im/doc/archiving for more information"); @@ -98,7 +104,14 @@ module:hook("iq-set/self/"..xmlns_mam..":query", function(event) local qwith, qstart, qend; local form = query:get_child("x", "jabber:x:data"); if form then - local err; + local form_type, err = get_form_type(form); + if not form_type then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid dataform: "..err)); + return true; + elseif form_type ~= xmlns_mam then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Unexpected FORM_TYPE, expected '"..xmlns_mam.."'")); + return true; + end form, err = query_form:data(form); if err then origin.send(st.error_reply(stanza, "modify", "bad-request", select(2, next(err)))); @@ -117,10 +130,12 @@ module:hook("iq-set/self/"..xmlns_mam..":query", function(event) qstart, qend = vstart, vend; end - module:log("debug", "Archive query, id %s with %s from %s until %s", - tostring(qid), qwith or "anyone", - qstart and timestamp(qstart) or "the dawn of time", - qend and timestamp(qend) or "now"); + module:log("debug", "Archive query by %s id=%s with=%s when=%s...%s", + origin.username, + qid or stanza.attr.id, + qwith or "*", + qstart and timestamp(qstart) or "", + qend and timestamp(qend) or ""); -- RSM stuff local qset = rsm.get(query); @@ -128,6 +143,9 @@ module:hook("iq-set/self/"..xmlns_mam..":query", function(event) local reverse = qset and qset.before or false; local before, after = qset and qset.before, qset and qset.after; if type(before) ~= "string" then before = nil; end + if qset then + module:log("debug", "Archive query id=%s rsm=%q", qid or stanza.attr.id, qset); + end -- Load all the data! local data, err = archive:find(origin.username, { @@ -140,7 +158,12 @@ module:hook("iq-set/self/"..xmlns_mam..":query", function(event) }); if not data then - origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err)); + module:log("debug", "Archive query id=%s failed: %s", qid or stanza.attr.id, err); + if err == "item-not-found" then + origin.send(st.error_reply(stanza, "modify", "item-not-found")); + else + origin.send(st.error_reply(stanza, "cancel", "internal-server-error")); + end return true; end local total = tonumber(err); @@ -189,13 +212,13 @@ module:hook("iq-set/self/"..xmlns_mam..":query", function(event) first, last = last, first; end - -- That's all folks! - module:log("debug", "Archive query %s completed", tostring(qid)); - origin.send(st.reply(stanza) :tag("fin", { xmlns = xmlns_mam, queryid = qid, complete = complete }) :add_child(rsm.generate { first = first, last = last, count = total })); + + -- That's all folks! + module:log("debug", "Archive query id=%s completed, %d items returned", qid or stanza.attr.id, complete and count or count - 1); return true; end); @@ -213,13 +236,13 @@ local function shall_store(user, who) end local prefs = get_prefs(user); local rule = prefs[who]; - module:log("debug", "%s's rule for %s is %s", user, who, tostring(rule)); + module:log("debug", "%s's rule for %s is %s", user, who, rule); if rule ~= nil then return rule; end -- Below could be done by a metatable local default = prefs[false]; - module:log("debug", "%s's default rule is %s", user, tostring(default)); + module:log("debug", "%s's default rule is %s", user, default); if default == "roster" then return has_in_roster(user, who); end @@ -242,11 +265,70 @@ local function strip_stanza_id(stanza, user) return stanza; end +local function should_store(stanza, c2s) --> boolean, reason: string + local st_type = stanza.attr.type or "normal"; + -- FIXME pass direction of stanza and use that along with bare/full JID addressing + -- for more accurate MUC / type=groupchat check + + if st_type == "headline" then + -- Headline messages are ephemeral by definition + return false, "headline"; + end + if st_type == "error" and not c2s then + -- Store delivery failure notifications so you know if your own messages were not delivered + return true, "bounce"; + end + if st_type == "groupchat" then + -- MUC messages always go to the full JID, usually archived by the MUC + return false, "groupchat"; + end + if stanza:get_child("no-store", "urn:xmpp:hints") + or stanza:get_child("no-permanent-store", "urn:xmpp:hints") then + -- XXX Experimental XEP + return false, "hint"; + end + if stanza:get_child("store", "urn:xmpp:hints") then + return true, "hint"; + end + if stanza:get_child("body") then + return true, "body"; + end + if stanza:get_child("subject") then + -- XXX Who would send a message with a subject but without a body? + return true, "subject"; + end + if stanza:get_child("encryption", "urn:xmpp:eme:0") then + -- Since we can't know what an encrypted message contains, we assume it's important + -- XXX Experimental XEP + return true, "encrypted"; + end + if stanza:get_child(nil, "urn:xmpp:receipts") then + -- If it's important enough to ask for a receipt then it's important enough to archive + -- and the same applies to the receipt + return true, "receipt"; + end + if stanza:get_child(nil, "urn:xmpp:chat-markers:0") then + -- XXX Experimental XEP + return true, "marker"; + end + if stanza:get_child("x", "jabber:x:conference") + or stanza:find("{http://jabber.org/protocol/muc#user}x/invite") then + return true, "invite"; + end + if stanza:get_child(nil, "urn:xmpp:jingle-message:0") then + -- XXX Experimental XEP + return true, "jingle call"; + end + + -- The IM-NG thing to do here would be to return `not st_to_full` + -- One day ... + return false, "default"; +end + -- Handle messages local function message_handler(event, c2s) local origin, stanza = event.origin, event.stanza; local log = c2s and origin.log or module._log; - local orig_type = stanza.attr.type or "normal"; local orig_from = stanza.attr.from; local orig_to = stanza.attr.to or orig_from; -- Stanza without 'to' are treated as if it was to their own bare jid @@ -259,21 +341,12 @@ local function message_handler(event, c2s) -- Filter out <stanza-id> that claim to be from us event.stanza = strip_stanza_id(stanza, store_user); - -- We store chat messages or normal messages that have a body - if not(orig_type == "chat" or (orig_type == "normal" and stanza:get_child("body")) ) then - log("debug", "Not archiving stanza: %s (type)", stanza:top_tag()); + local should, why = should_store(stanza, c2s); + if not should then + log("debug", "Not archiving stanza: %s (%s)", stanza:top_tag(), why); return; end - -- or if hints suggest we shouldn't - if not stanza:get_child("store", "urn:xmpp:hints") then -- No hint telling us we should store - if stanza:get_child("no-permanent-store", "urn:xmpp:hints") - or stanza:get_child("no-store", "urn:xmpp:hints") then -- Hint telling us we should NOT store - log("debug", "Not archiving stanza: %s (hint)", stanza:top_tag()); - return; - end - end - local clone_for_storage; if not strip_tags:empty() then clone_for_storage = st.clone(stanza); @@ -294,10 +367,31 @@ local function message_handler(event, c2s) -- Check with the users preferences if shall_store(store_user, with) then - log("debug", "Archiving stanza: %s", stanza:top_tag()); + log("debug", "Archiving stanza: %s (%s)", stanza:top_tag(), why); -- And stash it - local ok, err = archive:append(store_user, nil, clone_for_storage, time_now(), with); + local time = time_now(); + local ok, err = archive:append(store_user, nil, clone_for_storage, time, with); + if not ok and err == "quota-limit" then + if type(cleanup_after) == "number" then + module:log("debug", "User '%s' over quota, cleaning archive", store_user); + local cleaned = archive:delete(store_user, { + ["end"] = (os.time() - cleanup_after); + }); + if cleaned then + ok, err = archive:append(store_user, nil, clone_for_storage, time, with); + end + end + if not ok and (archive.caps and archive.caps.truncate) then + module:log("debug", "User '%s' over quota, truncating archive", store_user); + local truncated = archive:delete(store_user, { + truncate = archive_truncate; + }); + if truncated then + ok, err = archive:append(store_user, nil, clone_for_storage, time, with); + end + end + end if ok then local clone_for_other_handlers = st.clone(stanza); local id = ok; @@ -325,8 +419,6 @@ end module:hook("pre-message/bare", strip_stanza_id_after_other_events, -1); module:hook("pre-message/full", strip_stanza_id_after_other_events, -1); -local cleanup_after = module:get_option_string("archive_expires_after", "1w"); -local cleanup_interval = module:get_option_number("archive_cleanup_interval", 4 * 60 * 60); if cleanup_after ~= "never" then local cleanup_storage = module:open_store("archive_cleanup"); local cleanup_map = module:open_store("archive_cleanup", "map"); @@ -361,9 +453,11 @@ if cleanup_after ~= "never" then last_date:set(username, date); end end + local cleanup_time = module:measure("cleanup", "times"); local async = require "util.async"; cleanup_runner = async.runner(function () + local cleanup_done = cleanup_time(); local users = {}; local cut_off = datestamp(os.time() - cleanup_after); for date in cleanup_storage:users() do @@ -397,6 +491,7 @@ if cleanup_after ~= "never" then wait(); end module:log("info", "Deleted %d expired messages for %d users", sum, num_users); + cleanup_done(); end); cleanup_task = module:add_timer(1, function () |