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-rw-r--r--core/rostermanager.lua130
1 files changed, 81 insertions, 49 deletions
diff --git a/core/rostermanager.lua b/core/rostermanager.lua
index 0163e343..5e06e3f7 100644
--- a/core/rostermanager.lua
+++ b/core/rostermanager.lua
@@ -1,6 +1,6 @@
-- 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.
@@ -11,15 +11,14 @@
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"
@@ -81,33 +80,56 @@ function roster_push(username, host, jid)
end
function load_roster(username, host)
- log("debug", "load_roster: asked for: "..username.."@"..host);
+ local jid = username.."@"..host;
+ log("debug", "load_roster: asked for: %s", jid);
+ local user = bare_sessions[jid];
local roster;
- if hosts[host] and hosts[host].sessions[username] then
- 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 {};
- if not roster[false] then roster[false] = { }; end
- hosts[host].sessions[username].roster = roster;
- hosts[host].events.fire_event("roster-load", username, host, roster);
- end
- return 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);
- roster = datamanager.load(username, host, "roster") or {};
- 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)
- log("debug", "save_roster: saving roster for "..username.."@"..host);
- if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then
- local roster = hosts[host].sessions[username].roster;
- roster[false].version = (roster[false].version or 1) + 1;
- 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;
@@ -123,7 +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
@@ -145,7 +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
@@ -167,14 +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)
@@ -189,7 +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);
@@ -207,8 +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);
@@ -223,7 +257,7 @@ 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
@@ -240,30 +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)
@@ -271,7 +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
@@ -280,7 +312,7 @@ 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]]