Mercurial > prosody-modules

annotate mod_offline_email/mod_offline_email.lua @ 5213:dc0f502c12f1

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mod_http_oauth2: Fix authorization code logic I have no idea what it did before or if it even worked. RFC 6749 section 4.1.2 says: > A maximum authorization code lifetime of 10 minutes is RECOMMENDED. So this should prevent use of codes older than 10 minutes and remove them from the cache some time after they expire.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Mar 2023 16:49:43 +0100
parents ee724c7fa8e0
children
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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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6 prosody.unlock_globals(); -- LuaSocket wants to pollute the global scope
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7 local smtp = require "socket.smtp";
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8 prosody.lock_globals();
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10 local smtp_server = module:get_option_string("smtp_server", "localhost");
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11 local smtp_user = module:get_option_string("smtp_username");
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12 local smtp_pass = module:get_option_string("smtp_password");
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14 local smtp_address = module:get_option("smtp_from") or ((smtp_user or "xmpp").."@"..(smtp_server or module.host));
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16 local queue_offline_emails = module:get_option("queue_offline_emails");
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17 if queue_offline_emails == true then queue_offline_emails = 300; end
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19 local send_message_as_email;
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21 module:hook("message/offline/handle", function(event)
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22 local stanza = event.stanza;
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23 local text = stanza:get_child_text("body");
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24 if text then
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25 return send_message_as_email(jid_bare(stanza.attr.to), jid_bare(stanza.attr.from), text);
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26 end
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27 end, 1);
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29 function send_message_as_email(address, from_address, message_text, subject)
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30 module:log("info", "Forwarding offline message to %s via email", address);
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31 local rcpt = "<"..address..">";
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32
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33 local mesgt = {
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34 headers = {
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35 ["content-type"] = 'text/plain; charset=utf-8';
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36 to = address;
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37 subject = subject or ("Offline message from "..jid_bare(from_address));
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38 };
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39 body = message_text;
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40 };
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42 local ok, err = smtp.send{ from = smtp_address, rcpt = rcpt, source = smtp.message(mesgt),
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43 server = smtp_server, user = smtp_user, password = smtp_pass };
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45 if not ok then
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46 module:log("error", "Failed to deliver to %s: %s", tostring(address), tostring(err));
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47 return;
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48 end
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49 return true;
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50 end
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52 if queue_offline_emails then
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53 local queues = {};
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54 local real_send_message_as_email = send_message_as_email;
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55 function send_message_as_email(address, from_address, message_text)
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56 local pair_key = address.."\0"..from_address;
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57 local queue = queues[pair_key];
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58 if not queue then
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59 queue = { from = smtp_address, to = address, messages = {} };
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60 queues[pair_key] = queue;
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62 module:add_timer(queue_offline_emails+5, function ()
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63 module:log("info", "Checking on %s", from_address);
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64 local current_time = os_time();
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65 local diff = current_time - queue.last_message_time;
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66 if diff > queue_offline_emails then
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67 module:log("info", "Enough silence, sending...");
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68 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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69 else
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70 module:log("info", "Next check in %d", queue_offline_emails - diff + 5);
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71 return queue_offline_emails - diff + 5;
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72 end
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73 end);
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74 end
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76 queue.last_message_time = os_time();
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77
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78 local messages = queue.messages;
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79 messages[#messages+1] = message_text;
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80 return true;
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81 end
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82 end