view mod_roster_command/mod_roster_command.lua @ 5186:fa3059e653fa

mod_http_oauth2: Implement the Implicit flow Everyone says this is insecure and bad, but it's also the only thing that makes sense for e.g. pure JavaScript clients, but hey implement this even more complicated thing instead!
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:06:50 +0100
parents f6fdefc5c6ac
children
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-----------------------------------------------------------
-- mod_roster_command: Manage rosters through prosodyctl
-- version 0.02
-----------------------------------------------------------
-- Copyright (C) 2011 Matthew Wild
-- Copyright (C) 2011 Adam Nielsen
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
-----------------------------------------------------------

if module.host ~= "*" then
	module:log("error", "Do not load this module in Prosody, for correct usage see: https://modules.prosody.im/mod_roster_command.html");
	return;
end


-- Workaround for lack of util.startup...
local prosody = _G.prosody;
local hosts = prosody.hosts;
prosody.bare_sessions = prosody.bare_sessions or {};
_G.bare_sessions = _G.bare_sessions or prosody.bare_sessions;

local usermanager = require "core.usermanager";
local rostermanager = require "core.rostermanager";
local storagemanager = require "core.storagemanager";
local jid = require "util.jid";
local warn = require"util.prosodyctl".show_warning;

-- Make a *one-way* subscription. User will see when contact is online,
-- contact will not see when user is online.
function subscribe(user_jid, contact_jid)
	local user_username, user_host = jid.split(user_jid);
	local contact_username, contact_host = jid.split(contact_jid);
	if not hosts[user_host] then
		warn("The host '%s' is not configured for this server.", user_host);
		return;
	end
	if hosts[user_host].users.name == "null" then
		storagemanager.initialize_host(user_host);
		usermanager.initialize_host(user_host);
	end
	-- Update user's roster to say subscription request is pending. Bare hosts (e.g. components) don't have rosters.
	if user_username ~= nil then
		rostermanager.set_contact_pending_out(user_username, user_host, contact_jid);
	end
	if hosts[contact_host] then
		if contact_host ~= user_host and hosts[contact_host].users.name == "null" then
			storagemanager.initialize_host(contact_host);
			usermanager.initialize_host(contact_host);
		end
		-- Update contact's roster to say subscription request is pending...
		rostermanager.set_contact_pending_in(contact_username, contact_host, user_jid);
		-- Update contact's roster to say subscription request approved...
		rostermanager.subscribed(contact_username, contact_host, user_jid);
		-- Update user's roster to say subscription request approved. Bare hosts (e.g. components) don't have rosters.
		if user_username ~= nil then
			rostermanager.process_inbound_subscription_approval(user_username, user_host, contact_jid);
		end
	end
end

-- Make a mutual subscription between jid1 and jid2. Each JID will see
-- when the other one is online.
function subscribe_both(jid1, jid2)
	subscribe(jid1, jid2);
	subscribe(jid2, jid1);
end

-- Unsubscribes user from contact (not contact from user, if subscribed).
function unsubscribe(user_jid, contact_jid)
	local user_username, user_host = jid.split(user_jid);
	local contact_username, contact_host = jid.split(contact_jid);
	if not hosts[user_host] then
		warn("The host '%s' is not configured for this server.", user_host);
		return;
	end
	if hosts[user_host].users.name == "null" then
		storagemanager.initialize_host(user_host);
		usermanager.initialize_host(user_host);
	end
	-- Update user's roster to say subscription is cancelled...
	rostermanager.unsubscribe(user_username, user_host, contact_jid);
	if hosts[contact_host] then
		if contact_host ~= user_host and hosts[contact_host].users.name == "null" then
			storagemanager.initialize_host(contact_host);
			usermanager.initialize_host(contact_host);
		end
		-- Update contact's roster to say subscription is cancelled...
		rostermanager.unsubscribed(contact_username, contact_host, user_jid);
	end
end

-- Cancel any subscription in either direction.
function unsubscribe_both(jid1, jid2)
	unsubscribe(jid1, jid2);
	unsubscribe(jid2, jid1);
end

-- Set the name shown and group used in the contact list
function rename(user_jid, contact_jid, contact_nick, contact_group)
	local user_username, user_host = jid.split(user_jid);
	if not hosts[user_host] then
		warn("The host '%s' is not configured for this server.", user_host);
		return;
	end
	if hosts[user_host].users.name == "null" then
		storagemanager.initialize_host(user_host);
		usermanager.initialize_host(user_host);
	end

	-- Load user's roster and find the contact
	local roster = rostermanager.load_roster(user_username, user_host);
	local item = roster[contact_jid];
	if item then
		if contact_nick then
			item.name = contact_nick;
		end
		if contact_group then
			item.groups = {}; -- Remove from all current groups
			item.groups[contact_group] = true;
		end
		rostermanager.save_roster(user_username, user_host, roster);
	end
end

function remove(user_jid, contact_jid)
	unsubscribe_both(user_jid, contact_jid);
	local user_username, user_host = jid.split(user_jid);
	local roster = rostermanager.load_roster(user_username, user_host);
	roster[contact_jid] = nil;
	rostermanager.save_roster(user_username, user_host, roster);
end

function module.command(arg)
	local command = arg[1];
	if not command then
		warn("Valid subcommands: (un)subscribe(_both) | rename");
		return 0;
	end
	table.remove(arg, 1);
	if command == "subscribe" then
		subscribe(arg[1], arg[2]);
		return 0;
	elseif command == "subscribe_both" then
		subscribe_both(arg[1], arg[2]);
		return 0;
	elseif command == "unsubscribe" then
		unsubscribe(arg[1], arg[2]);
		return 0;
	elseif command == "unsubscribe_both" then
		unsubscribe_both(arg[1], arg[2]);
		return 0;
	elseif command == "remove" then
		remove(arg[1], arg[2]);
		return 0;
	elseif command == "rename" then
		rename(arg[1], arg[2], arg[3], arg[4]);
		return 0;
	else
		warn("Unknown command: %s", command);
		return 1;
	end
	return 0;
end