s2smanager: Remove the infamous 'as per RFC' log message entirely (it happens too...
[prosody.git] / core / rostermanager.lua
index b5698fc5f30cb7411371a374596c1cc7ac926046..516983a9dfcb934af9f0b8837bb42f7aa41180ea 100644 (file)
@@ -1,20 +1,9 @@
--- Prosody IM v0.1
--- Copyright (C) 2008 Matthew Wild
--- Copyright (C) 2008 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
 -- 
--- This program is free software; you can redistribute it and/or
--- modify it under the terms of the GNU General Public License
--- as published by the Free Software Foundation; either version 2
--- of the License, or (at your option) any later version.
--- 
--- This program is distributed in the hope that it will be useful,
--- but WITHOUT ANY WARRANTY; without even the implied warranty of
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--- GNU General Public License for more details.
--- 
--- You should have received a copy of the GNU General Public License
--- along with this program; if not, write to the Free Software
--- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
 --
 
 
@@ -26,8 +15,10 @@ local setmetatable = setmetatable;
 local format = string.format;
 local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
 local pairs, ipairs = pairs, ipairs;
+local tostring = tostring;
 
 local hosts = hosts;
+local bare_sessions = bare_sessions;
 
 local datamanager = require "util.datamanager"
 local st = require "util.stanza";
@@ -65,10 +56,11 @@ function remove_from_roster(session, jid)
 end
 
 function roster_push(username, host, jid)
-       if jid ~= "pending" and 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
@@ -90,26 +82,43 @@ function roster_push(username, host, jid)
 end
 
 function load_roster(username, host)
-       log("debug", "load_roster: asked for: "..username.."@"..host);
-       if hosts[host] and hosts[host].sessions[username] then
-               local roster = hosts[host].sessions[username].roster;
-               if not roster then
-                       log("debug", "load_roster: loading for new user: "..username.."@"..host);
-                       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: "..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: "..username.."@"..host);
+       else -- Attempt to load roster for non-loaded user
+               log("debug", "load_roster: loading for offline user: "..username.."@"..host);
+       end
+       roster = datamanager.load(username, host, "roster") or {};
+       if user then user.roster = roster; end
+       if not roster[false] then roster[false] = { }; end
+       if roster[jid] then
+               roster[jid] = nil;
+               log("warn", "roster for "..jid.." has a self-contact");
        end
-       -- Attempt to load roster for non-loaded user
-       log("debug", "load_roster: loading for offline user: "..username.."@"..host);
-       return datamanager.load(username, host, "roster") or {};
+       hosts[host].events.fire_event("roster-load", username, host, roster);
+       return roster;
 end
 
-function save_roster(username, host)
+function save_roster(username, host, roster)
        log("debug", "save_roster: saving roster for "..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);
+       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
+               if not roster[false] then roster[false] = {}; end
+               roster[false].version = (roster[false].version or 0) + 1;
+               return datamanager.store(username, host, "roster", roster);
+       end
+       log("warn", "save_roster: user had no roster to save");
        return nil;
 end
 
@@ -123,7 +132,7 @@ function process_inbound_subscription_approval(username, host, jid)
                        item.subscription = "both";
                end
                item.ask = nil;
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end
 end
 
@@ -145,7 +154,7 @@ function process_inbound_subscription_cancellation(username, host, jid)
                end
        end
        if changed then
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end
 end
 
@@ -167,7 +176,7 @@ function process_inbound_unsubscribe(username, host, jid)
                end
        end
        if changed then
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end
 end
 
@@ -189,7 +198,7 @@ function set_contact_pending_in(username, host, jid, pending)
        end
        if not roster.pending then roster.pending = {}; end
        roster.pending[jid] = true;
-       return datamanager.store(username, host, "roster", roster);
+       return save_roster(username, host, roster);
 end
 function is_contact_pending_out(username, host, jid)
        local roster = load_roster(username, host);
@@ -208,7 +217,7 @@ function set_contact_pending_out(username, host, jid) -- subscribe
        end
        item.ask = "subscribe";
        log("debug", "set_contact_pending_out: saving roster; set "..username.."@"..host..".roster["..jid.."].ask=subscribe");
-       return datamanager.store(username, host, "roster", roster);
+       return save_roster(username, host, roster);
 end
 function unsubscribe(username, host, jid)
        local roster = load_roster(username, host);
@@ -223,12 +232,16 @@ function unsubscribe(username, host, jid)
        elseif item.subscription == "to" then
                item.subscription = "none";
        end
-       return datamanager.store(username, host, "roster", roster);
+       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
@@ -236,7 +249,7 @@ function subscribed(username, host, jid)
                end
                roster.pending[jid] = nil;
                -- TODO maybe remove roster.pending if empty
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end -- TODO else implement optional feature pre-approval (ask = subscribed)
 end
 function unsubscribed(username, host, jid)
@@ -258,7 +271,7 @@ function unsubscribed(username, host, jid)
                end
        end
        if changed then
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end
 end
 
@@ -267,7 +280,7 @@ function process_outbound_subscription_request(username, host, jid)
        local item = roster[jid];
        if item and (item.subscription == "none" or item.subscription == "from") then
                item.ask = "subscribe";
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end
 end
 
@@ -276,10 +289,10 @@ end
        local item = roster[jid];
        if item and (item.subscription == "none" or item.subscription == "from" then
                item.ask = "subscribe";
-               return datamanager.store(username, host, "roster", roster);
+               return save_roster(username, host, roster);
        end
 end]]
 
 
 
-return _M;
\ No newline at end of file
+return _M;