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97 lines
3.0 KiB
97 lines
3.0 KiB
-- Prosody IM
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-- Copyright (C) 2014-2015 Sipwise GmbH <development@sipwise.com>
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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module:set_global();
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local ut = require "util.table";
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local jid = require "util.jid";
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local array = require "util.array";
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local redis = require 'redis';
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local redis_config = {
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port = 6739, host = "127.0.0.1",
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server_id = "0", redis_db = "2"
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};
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local redis_client;
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local redis_sessions = module:shared("redis_sessions");
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local function test_connection()
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if not redis_client then return nil end;
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local ok, _ = pcall(redis_client.ping, redis_client);
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if not ok then
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redis_client = nil;
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end
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end
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local function client_connect()
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redis_client = redis.connect(redis_config.host, redis_config.port);
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--module:log("debug", "connected to redis server %s:%d",
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--redis_config.host, redis_config.port);
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if redis_config.redis_db then
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redis_client:select(redis_config.redis_db);
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end
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end
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local function resource_bind(event)
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local session = event.session;
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local node, domain, resource = jid.split(session.full_jid);
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local full_jid, bare_jid = session.full_jid, node.."@"..domain;
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module:log("debug", "resource-bind from %s", session.host);
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module:log("debug", "save [%s]=%s", full_jid, redis_config.server_id);
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if not test_connection() then client_connect() end
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redis_client:set(full_jid, redis_config.server_id);
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module:log("debug", "append [%s]=>%s:%s", bare_jid, redis_config.server_id, resource);
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redis_client:sadd(bare_jid, redis_config.server_id..":"..resource);
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end
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local function resource_unbind(event)
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local session, _ = event.session, event.error;
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local node, domain, resource = jid.split(session.full_jid);
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local full_jid, bare_jid = session.full_jid, node.."@"..domain;
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module:log("debug", "resource-unbind from %s", session.host);
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module:log("debug", "remove [%s]=%s", full_jid, redis_config.server_id);
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if not test_connection() then client_connect() end
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redis_client:del(full_jid);
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module:log("debug", "remove [%s]=>%s:%s", bare_jid, redis_config.server_id, resource);
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redis_client:srem(bare_jid, redis_config.server_id..":"..resource);
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end
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local function split_key(key)
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local t = ut.string.explode(':', key);
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return t[1], t[2];
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end
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function redis_sessions.get_hosts(j)
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local node, domain = jid.split(j);
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local bare_jid = node.."@"..domain;
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local res = {};
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local l, h, r;
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module:log("debug", "search session:%s host", bare_jid);
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if not test_connection() then client_connect() end
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l = redis_client:smembers(bare_jid);
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--module:log("debug", "l:%s", ut.table.tostring(l));
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for _,v in pairs(l) do
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h, r = split_key(v);
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--module:log("debug", "h:%s r:%s", tostring(h), tostring(r));
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if not res[h] then res[h] = array() end
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res[h]:push(r);
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end
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return res;
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end
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function module.load()
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redis_config = module:get_option("redis_sessions_auth", redis_config);
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end
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function module.add_host(module)
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module:hook("resource-bind", resource_bind, 200);
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module:hook("resource-unbind", resource_unbind, 200);
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module:log("debug", "hooked at %s", module:get_host());
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end
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