-- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- 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"
function load_roster(username, host)
local jid = username.."@"..host;
- log("debug", "load_roster: asked for: "..jid);
+ 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: "..username.."@"..host);
+ 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: "..username.."@"..host);
+ log("debug", "load_roster: loading for offline user: %s@%s", username, host);
end
- roster = datamanager.load(username, host, "roster") or {};
+ 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] = { }; end
+ if not roster[false] then roster[false] = { broken = err or nil }; end
if roster[jid] then
roster[jid] = nil;
- log("warn", "roster for "..jid.." has a self-contact");
+ log("warn", "roster for %s has a self-contact", jid);
end
- hosts[host].events.fire_event("roster-load", username, host, roster);
- return roster;
+ if not err then
+ hosts[host].events.fire_event("roster-load", username, host, roster);
+ end
+ return roster, err;
end
function save_roster(username, host, roster)
- log("debug", "save_roster: saving roster for "..username.."@"..host);
+ 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
--end
end
if roster then
- if not roster[false] then roster[false] = {}; end
- roster[false].version = (roster[false].version or 0) + 1;
+ 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");
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)
roster[jid] = item;
end
item.ask = "subscribe";
- log("debug", "set_contact_pending_out: saving roster; set "..username.."@"..host..".roster["..jid.."].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];
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 save_roster(username, host, 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)
projects / prosody.git / blobdiff