Mercurial > prosody-modules

annotate mod_offline_email/mod_offline_email.lua @ 2608:362ca94192ee

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mod_smacks: Add resumed session to event "smacks-hibernation-end" Older versions of this event only have the "intermediate" session in event.session (the one used to resume the existing session), but not the resumed one. This adds event.resumed which contains the resumed one alongside to event.session.
author tmolitor <thilo@eightysoft.de>
date Sat, 11 Mar 2017 01:37:28 +0100
parents f1a0a0754b87
children bd71c97de1d0
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2 local jid_bare = require "util.jid".bare;
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3 local os_time = os.time;
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4 local t_concat = table.concat;
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5 local smtp = require "socket.smtp";
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6
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7 local smtp_server = module:get_option_string("smtp_server", "localhost");
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8 local smtp_user = module:get_option_string("smtp_username");
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9 local smtp_pass = module:get_option_string("smtp_password");
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11 local smtp_address = module:get_option("smtp_from") or ((smtp_user or "xmpp").."@"..(smtp_server or module.host));
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13 local queue_offline_emails = module:get_option("queue_offline_emails");
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14 if queue_offline_emails == true then queue_offline_emails = 300; end
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16 local send_message_as_email;
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18 module:hook("message/offline/handle", function(event)
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19 local stanza = event.stanza;
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20 local text = stanza:get_child_text("body");
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21 if text then
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22 return send_message_as_email(jid_bare(stanza.attr.to), jid_bare(stanza.attr.from), text);
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23 end
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24 end, 1);
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26 function send_message_as_email(address, from_address, message_text, subject)
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27 module:log("info", "Forwarding offline message to %s via email", address);
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28 local rcpt = "<"..address..">";
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29
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30 local mesgt = {
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31 headers = {
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32 to = address;
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33 subject = subject or ("Offline message from "..jid_bare(from_address));
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34 };
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35 body = message_text;
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36 };
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38 local ok, err = smtp.send{ from = smtp_address, rcpt = rcpt, source = smtp.message(mesgt),
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39 server = smtp_server, user = smtp_user, password = smtp_pass };
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41 if not ok then
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42 module:log("error", "Failed to deliver to %s: %s", tostring(address), tostring(err));
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43 return;
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44 end
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45 return true;
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46 end
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48 if queue_offline_emails then
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49 local queues = {};
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50 local real_send_message_as_email = send_message_as_email;
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51 function send_message_as_email(address, from_address, message_text)
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52 local pair_key = address.."\0"..from_address;
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53 local queue = queues[pair_key];
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54 if not queue then
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55 queue = { from = smtp_address, to = address, messages = {} };
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56 queues[pair_key] = queue;
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58 module:add_timer(queue_offline_emails+5, function ()
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59 module:log("info", "Checking on %s", from_address);
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60 local current_time = os_time();
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61 local diff = current_time - queue.last_message_time;
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62 if diff > queue_offline_emails then
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63 module:log("info", "Enough silence, sending...");
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64 real_send_message_as_email(address, from_address, t_concat(queue.messages, "\n"), "You have "..#queue.messages.." offline message"..(#queue.messages == 1 and "" or "s").." from "..from_address)
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65 else
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66 module:log("info", "Next check in %d", queue_offline_emails - diff + 5);
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67 return queue_offline_emails - diff + 5;
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68 end
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69 end);
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70 end
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72 queue.last_message_time = os_time();
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74 local messages = queue.messages;
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75 messages[#messages+1] = message_text;
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76 return true;
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77 end
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78 end