From 173990157fad6d4507e8ce2dc214e7bf35a17822 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Thu, 19 Dec 2019 10:03:16 +0000 Subject: rostermanager, mod_presence: Support for subscription preapproval (fixes #686) --- core/rostermanager.lua | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'core/rostermanager.lua') diff --git a/core/rostermanager.lua b/core/rostermanager.lua index d551a1b1..7b104339 100644 --- a/core/rostermanager.lua +++ b/core/rostermanager.lua @@ -301,6 +301,11 @@ function is_contact_pending_out(username, host, jid) local item = roster[jid]; return item and item.ask; end +local function is_contact_preapproved(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + return item and (item.approved == "true"); +end local function set_contact_pending_out(username, host, jid) -- subscribe local roster = load_roster(username, host); local item = roster[jid]; @@ -331,9 +336,10 @@ local function unsubscribe(username, host, jid) return save_roster(username, host, roster, jid); end local function subscribed(username, host, jid) + local roster = load_roster(username, host); + local item = roster[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; @@ -345,7 +351,17 @@ local function subscribed(username, host, jid) end roster[false].pending[jid] = nil; return save_roster(username, host, roster, jid); - end -- TODO else implement optional feature pre-approval (ask = subscribed) + elseif not item or item.subscription == "none" or item.subscription == "to" then + -- Contact is not subscribed and has not sent a subscription request. + -- We store a pre-approval as per RFC6121 3.4 + if not item then + item = {subscription = "none", groups = {}}; + roster[jid] = item; + end + item.approved = "true"; + log("debug", "Storing preapproval for %s", jid); + return save_roster(username, host, roster, jid); + end end local function unsubscribed(username, host, jid) local roster = load_roster(username, host); @@ -403,6 +419,7 @@ return { set_contact_pending_in = set_contact_pending_in; is_contact_pending_out = is_contact_pending_out; set_contact_pending_out = set_contact_pending_out; + is_contact_preapproved = is_contact_preapproved; unsubscribe = unsubscribe; subscribed = subscribed; unsubscribed = unsubscribed; -- cgit v1.2.3