mod_s2s: Log certificate identity validation result
[prosody.git] / core / rostermanager.lua
index 877d0b21122d1bddbbe5a7f39d31c3745c81e26c..5e06e3f7a4203ec5c82971f638f4b81322c9e74a 100644 (file)
@@ -1,6 +1,6 @@
--- Prosody IM v0.4
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- 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 log = require "util.logger".init("rostermanager");
 
-local setmetatable = setmetatable;
-local format = string.format;
-local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
-local pairs, ipairs = pairs, ipairs;
+local pairs = pairs;
+local tostring = tostring;
 
 local hosts = hosts;
+local bare_sessions = bare_sessions;
 
 local datamanager = require "util.datamanager"
+local um_user_exists = require "core.usermanager".user_exists;
 local st = require "util.stanza";
 
 module "rostermanager"
@@ -54,10 +54,11 @@ 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
@@ -79,26 +80,58 @@ 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: %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
-       -- 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 {};
+       if not err then
+               hosts[host].events.fire_event("roster-load", username, host, roster);
+       end
+       return roster, err;
 end
 
-function save_roster(username, host)
-       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);
+function save_roster(username, host, roster)
+       if not um_user_exists(username, host) then
+               log("debug", "not saving roster for %s@%s: the user doesn't exist", username, host);
+               return nil;
+       end
+
+       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
 
@@ -112,7 +145,7 @@ 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
 
@@ -134,7 +167,7 @@ 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
 
@@ -156,14 +189,26 @@ 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
 
+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)
-       local roster = load_roster(username, host);
+       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");
+       return item and (item.subscription == "from" or item.subscription == "both"), err;
 end
 
 function is_contact_pending_in(username, host, jid)
@@ -178,7 +223,7 @@ 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);
@@ -196,8 +241,8 @@ function set_contact_pending_out(username, host, jid) -- subscribe
                roster[jid] = item;
        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);
+       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);
@@ -212,12 +257,16 @@ 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
@@ -225,30 +274,28 @@ 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)
        local roster = load_roster(username, host);
        local item = roster[jid];
        local pending = is_contact_pending_in(username, host, jid);
-       local changed = nil;
-       if is_contact_pending_in(username, host, jid) then
+       if pending then
                roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
-               changed = true;
        end
+       local subscribed;
        if item then
                if item.subscription == "from" then
                        item.subscription = "none";
-                       changed = true;
+                       subscribed = true;
                elseif item.subscription == "both" then
                        item.subscription = "to";
-                       changed = true;
+                       subscribed = true;
                end
        end
-       if changed then
-               return datamanager.store(username, host, "roster", roster);
-       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)
@@ -256,7 +303,7 @@ 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
 
@@ -265,10 +312,10 @@ 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;