author | Kim Alvefur <zash@zash.se> |
Wed, 05 Mar 2014 17:40:44 +0100 | |
changeset 1328 | 446fcda4ec45 |
parent 1325 | b21236b6b8d8 |
child 1369 | 8be609f5610e |
permissions | -rw-r--r-- |
635 | 1 |
-- XEP-0313: Message Archive Management for Prosody |
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-- Copyright (C) 2011-2012 Kim Alvefur |
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-- |
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-- This file is MIT/X11 licensed. |
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local xmlns_mam = "urn:xmpp:mam:tmp"; |
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local xmlns_delay = "urn:xmpp:delay"; |
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local xmlns_forward = "urn:xmpp:forward:0"; |
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|
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local st = require "util.stanza"; |
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local rsm = module:require "rsm"; |
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local prefs = module:require"mamprefs"; |
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local prefsxml = module:require"mamprefsxml"; |
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local set_prefs, get_prefs = prefs.set, prefs.get; |
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local prefs_to_stanza, prefs_from_stanza = prefsxml.tostanza, prefsxml.fromstanza; |
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local jid_bare = require "util.jid".bare; |
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local jid_split = require "util.jid".split; |
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local jid_prep = require "util.jid".prep; |
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local host = module.host; |
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|
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local rm_load_roster = require "core.rostermanager".load_roster; |
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|
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local getmetatable = getmetatable; |
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local function is_stanza(x) |
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return getmetatable(x) == st.stanza_mt; |
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end |
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|
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local tostring = tostring; |
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local time_now = os.time; |
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local m_min = math.min; |
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local timestamp, timestamp_parse = require "util.datetime".datetime, require "util.datetime".parse; |
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local default_max_items, max_max_items = 20, module:get_option_number("max_archive_query_results", 50); |
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local global_default_policy = module:get_option("default_archive_policy", false); |
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|
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local archive_store = "archive2"; |
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local archive = module:open_store(archive_store, "archive"); |
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if not archive then |
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module:log("error", "Could not open archive storage"); |
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return |
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elseif not archive.find then |
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module:log("error", "mod_%s does not support archiving, switch to mod_storage_sql2", archive._provided_by); |
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return |
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end |
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-- Handle prefs. |
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module:hook("iq/self/"..xmlns_mam..":prefs", function(event) |
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local origin, stanza = event.origin, event.stanza; |
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local user = origin.username; |
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if stanza.attr.type == "get" then |
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local prefs = prefs_to_stanza(get_prefs(user)); |
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local reply = st.reply(stanza):add_child(prefs); |
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return origin.send(reply); |
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else -- type == "set" |
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local new_prefs = stanza:get_child("prefs", xmlns_mam); |
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local prefs = prefs_from_stanza(new_prefs); |
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local ok, err = set_prefs(user, prefs); |
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if not ok then |
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return origin.send(st.error_reply(stanza, "cancel", "internal-server-error", "Error storing preferences: "..tostring(err))); |
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end |
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return origin.send(st.reply(stanza)); |
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end |
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end); |
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|
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-- Handle archive queries |
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module:hook("iq-get/self/"..xmlns_mam..":query", function(event) |
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local origin, stanza = event.origin, event.stanza; |
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local query = stanza.tags[1]; |
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local qid = query.attr.queryid; |
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|
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-- Search query parameters |
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local qwith = query:get_child_text("with"); |
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local qstart = query:get_child_text("start"); |
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local qend = query:get_child_text("end"); |
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module:log("debug", "Archive query, id %s with %s from %s until %s)", |
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tostring(qid), qwith or "anyone", qstart or "the dawn of time", qend or "now"); |
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|
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if qstart or qend then -- Validate timestamps |
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local vstart, vend = (qstart and timestamp_parse(qstart)), (qend and timestamp_parse(qend)) |
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if (qstart and not vstart) or (qend and not vend) then |
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origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid timestamp")) |
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return true |
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end |
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qstart, qend = vstart, vend; |
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end |
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|
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if qwith then -- Validate the 'with' jid |
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local pwith = qwith and jid_prep(qwith); |
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if pwith and not qwith then -- it failed prepping |
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origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid JID")) |
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return true |
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end |
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qwith = jid_bare(pwith); |
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end |
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|
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-- RSM stuff |
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local qset = rsm.get(query); |
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local qmax = m_min(qset and qset.max or default_max_items, max_max_items); |
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local reverse = qset and qset.before or false; |
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local before, after = qset and qset.before, qset and qset.after; |
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if type(before) ~= "string" then before = nil; end |
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|
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-- Load all the data! |
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local data, err = archive:find(origin.username, { |
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mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
1114
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|
105 |
start = qstart; ["end"] = qend; -- Time range |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
1114
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|
106 |
with = qwith; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
107 |
limit = qmax; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
Kim Alvefur <zash@zash.se>
parents:
1114
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|
108 |
before = before; after = after; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
109 |
reverse = reverse; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
110 |
total = true; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
111 |
}); |
558
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|
112 |
|
1116
2345a30dd8b4
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parents:
1114
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|
113 |
if not data then |
1186
a172e7389cf6
mod_mam: Include textual error if archive query failed
Kim Alvefur <zash@zash.se>
parents:
1185
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|
114 |
return origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err)); |
1116
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
115 |
end |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
116 |
local count = err; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
1114
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changeset
|
117 |
|
2345a30dd8b4
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parents:
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|
118 |
-- Wrap it in stuff and deliver |
1325
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|
119 |
local first, last; |
1116
2345a30dd8b4
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parents:
1114
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changeset
|
120 |
for id, item, when in data do |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
Kim Alvefur <zash@zash.se>
parents:
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|
121 |
local fwd_st = st.message{ to = origin.full_jid } |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
122 |
:tag("result", { xmlns = xmlns_mam, queryid = qid, id = id }) |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
123 |
:tag("forwarded", { xmlns = xmlns_forward }) |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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|
124 |
:tag("delay", { xmlns = xmlns_delay, stamp = timestamp(when) }):up(); |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
1114
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|
125 |
|
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
Kim Alvefur <zash@zash.se>
parents:
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|
126 |
if not is_stanza(item) then |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
Kim Alvefur <zash@zash.se>
parents:
1114
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|
127 |
item = st.deserialize(item); |
1112
1dc07833355e
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parents:
1111
diff
changeset
|
128 |
end |
1116
2345a30dd8b4
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Kim Alvefur <zash@zash.se>
parents:
1114
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|
129 |
item.attr.xmlns = "jabber:client"; |
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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changeset
|
130 |
fwd_st:add_child(item); |
701
cc5805f83583
mod_mam: Implement support for Result Set Management in queries.
Kim Alvefur <zash@zash.se>
parents:
675
diff
changeset
|
131 |
|
1325
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|
132 |
if not first then first = id; end |
b21236b6b8d8
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parents:
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|
133 |
last = id; |
1116
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
Kim Alvefur <zash@zash.se>
parents:
1114
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changeset
|
134 |
|
2345a30dd8b4
mod_mam: Update to use 'archive' storage type. Note: this breaks support with 0.9 and older.
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parents:
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changeset
|
135 |
origin.send(fwd_st); |
1112
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mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents:
1111
diff
changeset
|
136 |
end |
1dc07833355e
mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents:
1111
diff
changeset
|
137 |
-- That's all folks! |
1dc07833355e
mod_mam: Use more specific hook
Kim Alvefur <zash@zash.se>
parents:
1111
diff
changeset
|
138 |
module:log("debug", "Archive query %s completed", tostring(qid)); |
705
c9d0ba39a33b
mod_mam: Move RSM pointer to last message into a MAM-namespaced child
Kim Alvefur <zash@zash.se>
parents:
702
diff
changeset
|
139 |
|
1325
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Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents:
1324
diff
changeset
|
140 |
if reverse then first, last = last, first; end |
1113 | 141 |
return origin.send(st.reply(stanza) |
1325
b21236b6b8d8
Backed out changeset 853a382c9bd6
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parents:
1324
diff
changeset
|
142 |
:query(xmlns_mam):add_child(rsm.generate { |
b21236b6b8d8
Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents:
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diff
changeset
|
143 |
first = first, last = last, count = count })); |
523
eff140d53b83
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parents:
diff
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|
144 |
end); |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
145 |
|
558
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mod_mam: Implement archiving preferences.
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parents:
523
diff
changeset
|
146 |
local function has_in_roster(user, who) |
66de25ffc8d9
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parents:
523
diff
changeset
|
147 |
local roster = rm_load_roster(user, host); |
66de25ffc8d9
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parents:
523
diff
changeset
|
148 |
module:log("debug", "%s has %s in roster? %s", user, who, roster[who] and "yes" or "no"); |
798 | 149 |
return roster[who]; |
558
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parents:
523
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|
150 |
end |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
151 |
|
66de25ffc8d9
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parents:
523
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changeset
|
152 |
local function shall_store(user, who) |
66de25ffc8d9
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parents:
523
diff
changeset
|
153 |
-- TODO Cache this? |
66de25ffc8d9
mod_mam: Implement archiving preferences.
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parents:
523
diff
changeset
|
154 |
local prefs = get_prefs(user); |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
155 |
local rule = prefs[who]; |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
156 |
module:log("debug", "%s's rule for %s is %s", user, who, tostring(rule)) |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
157 |
if rule ~= nil then |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
158 |
return rule; |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
159 |
else -- Below could be done by a metatable |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
160 |
local default = prefs[false]; |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
161 |
module:log("debug", "%s's default rule is %s", user, tostring(default)) |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
162 |
if default == nil then |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
163 |
default = global_default_policy; |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
164 |
module:log("debug", "Using global default rule, %s", tostring(default)) |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
165 |
end |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
166 |
if default == "roster" then |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
167 |
return has_in_roster(user, who); |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
168 |
end |
66de25ffc8d9
mod_mam: Implement archiving preferences.
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parents:
523
diff
changeset
|
169 |
return default; |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
170 |
end |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
171 |
end |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
172 |
|
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
173 |
-- Handle messages |
523
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
174 |
local function message_handler(event, c2s) |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
175 |
local origin, stanza = event.origin, event.stanza; |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
176 |
local orig_type = stanza.attr.type or "normal"; |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
177 |
local orig_from = stanza.attr.from; |
1149
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
178 |
local orig_to = stanza.attr.to or orig_from; |
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
179 |
-- Stanza without 'to' are treated as if it was to their own bare jid |
523
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
180 |
|
1150
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
181 |
-- We don't store messages of these types |
523
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
182 |
if orig_type == "error" |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
183 |
or orig_type == "headline" |
671
74efb2db00a6
mod_mam: From the spec: servers SHOULD NOT archive messages that do not have a <body/> child tag.
Thijs Alkemade <thijsalkemade@gmail.com>
parents:
666
diff
changeset
|
184 |
or orig_type == "groupchat" |
1150
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
185 |
-- or that don't have a <body/> |
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
186 |
or not stanza:get_child("body") |
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
187 |
-- or if hints suggest we shouldn't |
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
188 |
or stanza:get_child("no-permanent-store", "urn:xmpp:hints") |
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
189 |
or stanza:get_child("no-store", "urn:xmpp:hints") then |
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
190 |
module:log("debug", "Not archiving stanza: %s (content)", stanza:top_tag()); |
523
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
191 |
return; |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
192 |
end |
eff140d53b83
mod_mam: Add experimental implementation of the Message Archive Management ProtoXEP
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
193 |
|
1149
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
194 |
-- Whos storage do we put it in? |
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
195 |
local store_user = c2s and origin.username or jid_split(orig_to); |
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
196 |
-- And who are they chatting with? |
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
197 |
local with = jid_bare(c2s and orig_to or orig_from); |
558
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
198 |
|
1149
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
199 |
-- Check with the users preferences |
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
200 |
if shall_store(store_user, with) then |
558
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
201 |
module:log("debug", "Archiving stanza: %s", stanza:top_tag()); |
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
202 |
|
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
203 |
-- And stash it |
1149
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
204 |
local ok, id = archive:append(store_user, time_now(), with, stanza); |
1187
d677d1807bb0
mod_mam: Stamp outgoing messages with <archived> as well, but remove it after they should have passed through mod_carbons
Kim Alvefur <zash@zash.se>
parents:
1186
diff
changeset
|
205 |
if ok then |
1149
d055c44a7f61
mod_mam: Clean up and explain the code that determines who's archive we put the message in
Kim Alvefur <zash@zash.se>
parents:
1135
diff
changeset
|
206 |
stanza:tag("archived", { xmlns = xmlns_mam, by = store_user.."@"..host, id = id }):up(); |
672
8ae5317ba032
mod_mam: local tostring and some comments
Kim Alvefur <zash@zash.se>
parents:
671
diff
changeset
|
207 |
end |
558
66de25ffc8d9
mod_mam: Implement archiving preferences.
Kim Alvefur <zash@zash.se>
parents:
523
diff
changeset
|
208 |
else |
1150
296820f18ba6
mod_mam: Add support for XEP-0334: Message Processing Hints
Kim Alvefur <zash@zash.se>
parents:
1149
diff
changeset
|
209 |
module:log("debug", "Not archiving stanza: %s (prefs)", stanza:top_tag()); |
558
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end |
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end |
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|
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local function c2s_message_handler(event) |
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return message_handler(event, true); |
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end |
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|
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-- Stanzas sent by local clients |
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module:hook("pre-message/bare", c2s_message_handler, 2); |
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module:hook("pre-message/full", c2s_message_handler, 2); |
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-- Stanszas to local clients |
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module:hook("message/bare", message_handler, 2); |
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module:hook("message/full", message_handler, 2); |
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|
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local function post_carbons_handler(event) |
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event.stanza:maptags(function(tag) |
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if not ( tag.attr.xmlns == xmlns_mam and tag.name == "archived" ) then |
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return tag; |
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end |
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end); |
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end |
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|
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module:hook("pre-message/bare", post_carbons_handler, 0.9); |
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module:hook("pre-message/full", post_carbons_handler, 0.9); |
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|
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module:add_feature(xmlns_mam); |
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