+-- Prosody IM v0.2
+-- Copyright (C) 2008 Matthew Wild
+-- Copyright (C) 2008 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.
+--
+
+
-local mainlog = log;
-local function log(type, message)
- mainlog(type, "rostermanager", message);
-end
+
+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;
-require "util.datamanager"
+local hosts = hosts;
-local datamanager = datamanager;
+local datamanager = require "util.datamanager"
+local st = require "util.stanza";
module "rostermanager"
-function getroster(username, host)
- return {
- ["mattj@localhost"] = true,
- ["tobias@getjabber.ath.cx"] = true,
- ["waqas@getjabber.ath.cx"] = true,
- ["thorns@getjabber.ath.cx"] = true,
- ["idw@getjabber.ath.cx"] = true,
- }
--- return datamanager.load(username, host, "roster") or {};
+function add_to_roster(session, jid, item)
+ if session.roster then
+ local old_item = session.roster[jid];
+ session.roster[jid] = item;
+ if save_roster(session.username, session.host) then
+ return true;
+ else
+ session.roster[jid] = old_item;
+ return nil, "wait", "internal-server-error", "Unable to save roster";
+ end
+ else
+ return nil, "auth", "not-authorized", "Session's roster not loaded";
+ end
end
+function remove_from_roster(session, jid)
+ if session.roster then
+ local old_item = session.roster[jid];
+ session.roster[jid] = nil;
+ if save_roster(session.username, session.host) then
+ return true;
+ else
+ session.roster[jid] = old_item;
+ return nil, "wait", "internal-server-error", "Unable to save roster";
+ end
+ else
+ return nil, "auth", "not-authorized", "Session's roster not loaded";
+ end
+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 item = hosts[host].sessions[username].roster[jid];
+ local stanza = st.iq({type="set"});
+ stanza:tag("query", {xmlns = "jabber:iq:roster"});
+ if item then
+ stanza:tag("item", {jid = jid, subscription = item.subscription, name = item.name, ask = item.ask});
+ for group in pairs(item.groups) do
+ stanza:tag("group"):text(group):up();
+ end
+ else
+ stanza:tag("item", {jid = jid, subscription = "remove"});
+ end
+ 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
+ -- FIXME do we need to set stanza.attr.to?
+ session.send(stanza);
+ end
+ end
+ end
+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;
+ 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 {};
+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);
+ end
+ 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 then
+ if item.subscription == "none" then
+ item.subscription = "to";
+ else -- subscription == from
+ item.subscription = "both";
+ end
+ item.ask = nil;
+ return datamanager.store(username, host, "roster", 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 datamanager.store(username, host, "roster", 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 datamanager.store(username, host, "roster", roster);
+ end
+end
+
+function is_contact_subscribed(username, host, jid)
+ local roster = load_roster(username, host);
+ local item = roster[jid];
+ return item and (item.subscription == "from" or item.subscription == "both");
+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 datamanager.store(username, host, "roster", 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 "..username.."@"..host..".roster["..jid.."].ask=subscribe");
+ return datamanager.store(username, host, "roster", 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 datamanager.store(username, host, "roster", 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 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 datamanager.store(username, host, "roster", 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
+ 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 datamanager.store(username, host, "roster", roster);
+ end
+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 datamanager.store(username, host, "roster", roster);
+ end
+end
+
+--[[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 datamanager.store(username, host, "roster", roster);
+ end
+end]]
+
+
+
return _M;
\ No newline at end of file
projects / prosody.git / blobdiff