+-- 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 mainlog = log;
-local function log(type, message)
- mainlog(type, "rostermanager", message);
-end
-local setmetatable = setmetatable;
-local format = string.format;
-local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
-local pairs, ipairs = pairs, ipairs;
-local hosts = hosts;
-require "util.datamanager"
+local log = require "util.logger".init("rostermanager");
+
+local pairs = pairs;
+local tostring = tostring;
+
+local hosts = hosts;
+local bare_sessions = bare_sessions;
-local datamanager = datamanager;
+local datamanager = require "util.datamanager"
local st = require "util.stanza";
module "rostermanager"
end
function roster_push(username, host, jid)
- if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then
+ local roster = jid and jid ~= "pending" and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
+ if roster then
local item = hosts[host].sessions[username].roster[jid];
local stanza = st.iq({type="set"});
- stanza:tag("query", {xmlns = "jabber:iq:roster"});
+ stanza:tag("query", {xmlns = "jabber:iq:roster", ver = tostring(roster[false].version or "1") });
if item then
stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask});
for group in pairs(item.groups) do
else
stanza:tag("item", {jid = jid, subscription = "remove"});
end
- stanza:up();
- stanza:up();
+ stanza:up(); -- move out from item
+ stanza:up(); -- move out from stanza
-- stanza ready
for _, session in pairs(hosts[host].sessions[username].sessions) do
if session.interested then
end
function load_roster(username, host)
- if hosts[host] and hosts[host].sessions[username] then
- local roster = hosts[host].sessions[username].roster;
- if not roster then
- roster = datamanager.load(username, host, "roster") or {};
- hosts[host].sessions[username].roster = roster;
- end
- return roster;
+ local jid = username.."@"..host;
+ log("debug", "load_roster: asked for: %s", jid);
+ local user = bare_sessions[jid];
+ local roster;
+ if user then
+ roster = user.roster;
+ if roster then return roster; end
+ log("debug", "load_roster: loading for new user: %s@%s", username, host);
+ else -- Attempt to load roster for non-loaded user
+ log("debug", "load_roster: loading for offline user: %s@%s", username, host);
+ end
+ local data, err = datamanager.load(username, host, "roster");
+ roster = data or {};
+ if user then user.roster = roster; end
+ if not roster[false] then roster[false] = { broken = err or nil }; end
+ if roster[jid] then
+ roster[jid] = nil;
+ log("warn", "roster for %s has a self-contact", jid);
+ end
+ if not err then
+ hosts[host].events.fire_event("roster-load", username, host, roster);
end
- -- Attempt to load roster for non-loaded user
- return datamanager.load(username, host, "roster") or {};
+ return roster, err;
end
-function save_roster(username, host)
- if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then
- return datamanager.store(username, host, "roster", hosts[host].sessions[username].roster);
+function save_roster(username, host, roster)
+ log("debug", "save_roster: saving roster for %s@%s", username, host);
+ if not roster then
+ roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
+ --if not roster then
+ -- --roster = load_roster(username, host);
+ -- return true; -- roster unchanged, no reason to save
+ --end
+ end
+ if roster then
+ local metadata = roster[false];
+ if not metadata then
+ metadata = {};
+ roster[false] = metadata;
+ end
+ if metadata.version ~= true then
+ metadata.version = (metadata.version or 0) + 1;
+ end
+ if roster[false].broken then return nil, "Not saving broken roster" end
+ return datamanager.store(username, host, "roster", roster);
end
+ log("warn", "save_roster: user had no roster to save");
return nil;
end
function process_inbound_subscription_approval(username, host, jid)
local roster = load_roster(username, host);
local item = roster[jid];
- if item and item.ask and (item.subscription == "none" or item.subscription == "from") then
+ if item and item.ask then
if item.subscription == "none" then
item.subscription = "to";
- else
+ else -- subscription == from
item.subscription = "both";
end
item.ask = nil;
- return datamanager.store(username, host, "roster", roster);
+ return save_roster(username, host, roster);
+ end
+end
+
+function process_inbound_subscription_cancellation(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ local changed = nil;
+ if is_contact_pending_out(username, host, jid) then
+ item.ask = nil;
+ changed = true;
+ end
+ if item then
+ if item.subscription == "to" then
+ item.subscription = "none";
+ changed = true;
+ elseif item.subscription == "both" then
+ item.subscription = "from";
+ changed = true;
+ end
+ end
+ if changed then
+ return save_roster(username, host, roster);
+ end
+end
+
+function process_inbound_unsubscribe(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ local changed = nil;
+ if is_contact_pending_in(username, host, jid) then
+ roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
+ changed = true;
+ end
+ if item then
+ if item.subscription == "from" then
+ item.subscription = "none";
+ changed = true;
+ elseif item.subscription == "both" then
+ item.subscription = "to";
+ changed = true;
+ end
+ end
+ if changed then
+ return save_roster(username, host, roster);
+ end
+end
+
+local function _get_online_roster_subscription(jidA, jidB)
+ local user = bare_sessions[jidA];
+ local item = user and (user.roster[jidB] or { subscription = "none" });
+ return item and item.subscription;
+end
+function is_contact_subscribed(username, host, jid)
+ do
+ local selfjid = username.."@"..host;
+ local subscription = _get_online_roster_subscription(selfjid, jid);
+ if subscription then return (subscription == "both" or subscription == "from"); end
+ local subscription = _get_online_roster_subscription(jid, selfjid);
+ if subscription then return (subscription == "both" or subscription == "to"); end
+ end
+ local roster, err = load_roster(username, host);
+ local item = roster[jid];
+ return item and (item.subscription == "from" or item.subscription == "both"), err;
+end
+
+function is_contact_pending_in(username, host, jid)
+ local roster = load_roster(username, host);
+ return roster.pending and roster.pending[jid];
+end
+function set_contact_pending_in(username, host, jid, pending)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ if item and (item.subscription == "from" or item.subscription == "both") then
+ return; -- false
+ end
+ if not roster.pending then roster.pending = {}; end
+ roster.pending[jid] = true;
+ return save_roster(username, host, roster);
+end
+function is_contact_pending_out(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ return item and item.ask;
+end
+function set_contact_pending_out(username, host, jid) -- subscribe
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ if item and (item.ask or item.subscription == "to" or item.subscription == "both") then
+ return true;
+ end
+ if not item then
+ item = {subscription = "none", groups = {}};
+ roster[jid] = item;
+ end
+ item.ask = "subscribe";
+ log("debug", "set_contact_pending_out: saving roster; set %s@%s.roster[%q].ask=subscribe", username, host, jid);
+ return save_roster(username, host, roster);
+end
+function unsubscribe(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ if not item then return false; end
+ if (item.subscription == "from" or item.subscription == "none") and not item.ask then
+ return true;
+ end
+ item.ask = nil;
+ if item.subscription == "both" then
+ item.subscription = "from";
+ elseif item.subscription == "to" then
+ item.subscription = "none";
+ end
+ return save_roster(username, host, roster);
+end
+function subscribed(username, host, jid)
+ if is_contact_pending_in(username, host, jid) then
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ if not item then -- FIXME should roster item be auto-created?
+ item = {subscription = "none", groups = {}};
+ roster[jid] = item;
+ end
+ if item.subscription == "none" then
+ item.subscription = "from";
+ else -- subscription == to
+ item.subscription = "both";
+ end
+ roster.pending[jid] = nil;
+ -- TODO maybe remove roster.pending if empty
+ return save_roster(username, host, roster);
+ end -- TODO else implement optional feature pre-approval (ask = subscribed)
+end
+function unsubscribed(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ local pending = is_contact_pending_in(username, host, jid);
+ if pending then
+ roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
+ end
+ local subscribed;
+ if item then
+ if item.subscription == "from" then
+ item.subscription = "none";
+ subscribed = true;
+ elseif item.subscription == "both" then
+ item.subscription = "to";
+ subscribed = true;
+ end
+ end
+ local success = (pending or subscribed) and save_roster(username, host, roster);
+ return success, pending, subscribed;
+end
+
+function process_outbound_subscription_request(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ if item and (item.subscription == "none" or item.subscription == "from") then
+ item.ask = "subscribe";
+ return save_roster(username, host, roster);
end
end
-return _M;
\ No newline at end of file
+--[[function process_outbound_subscription_approval(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ if item and (item.subscription == "none" or item.subscription == "from" then
+ item.ask = "subscribe";
+ return save_roster(username, host, roster);
+ end
+end]]
+
+
+
+return _M;
projects / prosody.git / blobdiff