prosody
194469fb46f9
util/session.lua

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util/session.lua @ 12514:194469fb46f9

net.server_epoll: Wrap LuaSocket object earlier to reuse option setting method Since it provides some protection and error handling in the form of logging.
author Kim Alvefur <zash@zash.se>
date Fri, 16 Jul 2021 00:57:42 +0200
parent 10110:3fa3872588a8
child 12640:999b1c59af6f
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33fbc835697d util.session: How would you even send anything to a session?
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1 local initialize_filters = require "util.filters".initialize;
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2 local logger = require "util.logger";
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3
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4 local function new_session(typ)
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5 local session = {
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6 type = typ .. "_unauthed";
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7 base_type = typ;
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8 };
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9 return session;
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10 end
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11
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12 local function set_id(session)
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13 local id = session.base_type .. tostring(session):match("%x+$"):lower();
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14 session.id = id;
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15 return session;
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16 end
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17
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18 local function set_logger(session)
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19 local log = logger.init(session.id);
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20 session.log = log;
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21 return session;
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22 end
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23
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24 local function set_conn(session, conn)
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25 session.conn = conn;
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26 session.ip = conn:ip();
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27 return session;
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28 end
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29
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30 local function set_send(session)
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31 local conn = session.conn;
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32 if not conn then
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33 function session.send(data)
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34 session.log("debug", "Discarding data sent to unconnected session: %s", data);
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35 return false;
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36 end
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37 return session;
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38 end
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39 local filter = initialize_filters(session);
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40 local w = conn.write;
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41 session.send = function (t)
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42 if t.name then
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43 t = filter("stanzas/out", t);
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44 end
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45 if t then
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46 t = filter("bytes/out", tostring(t));
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47 if t then
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48 local ret, err = w(conn, t);
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49 if not ret then
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50 session.log("debug", "Error writing to connection: %s", err);
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51 return false, err;
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52 end
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53 end
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54 end
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55 return true;
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56 end
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57 return session;
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58 end
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59
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60 return {
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61 new = new_session;
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62 set_id = set_id;
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63 set_logger = set_logger;
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64 set_conn = set_conn;
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65 set_send = set_send;
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66 }