Mercurial > prosody-modules
annotate mod_watchuntrusted/mod_watchuntrusted.lua @ 5571:ca3c2d11823c
mod_pubsub_feeds: Track latest timestamp seen in feeds instead of last poll
This should ensure that an entry that has a publish timestmap after the
previously oldest post, but before the time of the last poll check, is
published to the node.
Previously if an entry would be skipped if it was published at 13:00
with a timestamp of 12:30, where the last poll was at 12:45.
For feeds that lack a timestamp, it now looks for the first post that is
not published, assuming that the feed is in reverse chronological order,
then iterates back up from there.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 25 Jun 2023 16:27:55 +0200 |
parents | 0e78523f8c20 |
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rev | line source |
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1188
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mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
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1 local jid_prep = require "util.jid".prep; |
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2 |
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3 local secure_auth = module:get_option_boolean("s2s_secure_auth", false); |
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4 local secure_domains, insecure_domains = |
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5 module:get_option_set("s2s_secure_domains", {})._items, module:get_option_set("s2s_insecure_domains", {})._items; |
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6 |
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7 local ignore_domains = module:get_option_set("untrusted_ignore_domains", {})._items; |
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8 |
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9 local untrusted_fail_watchers = module:get_option_set("untrusted_fail_watchers", module:get_option("admins", {})) / jid_prep; |
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10 local untrusted_fail_notification = module:get_option("untrusted_fail_notification", "Establishing a secure connection from $from_host to $to_host failed. Certificate hash: $sha256. $errors"); |
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11 |
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12 local msg_type = module:get_option_string("untrusted_message_type", "chat"); |
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13 |
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14 local st = require "util.stanza"; |
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16 local notified_about_already = { }; |
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17 |
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18 module:hook_global("s2s-check-certificate", function (event) |
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19 local session, host = event.session, event.host; |
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mod_watchuntrusted: Skip connections to/from unknown hosts (fixes possible traceback)
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20 if not host then return end |
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21 local conn = session.conn:socket(); |
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22 local local_host = session.direction == "outgoing" and session.from_host or session.to_host; |
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23 |
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24 if not (local_host == module:get_host()) then return end |
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25 |
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26 module:log("debug", "Checking certificate..."); |
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27 local certificate_is_valid = false; |
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28 |
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29 if session.cert_chain_status == "valid" and session.cert_identity_status == "valid" then |
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30 certificate_is_valid = true; |
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31 end |
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32 |
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33 local must_secure = secure_auth; |
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34 |
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35 if not must_secure and secure_domains[host] then |
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36 must_secure = true; |
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37 elseif must_secure and insecure_domains[host] then |
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38 must_secure = false; |
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39 end |
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40 |
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41 if must_secure and not certificate_is_valid and not notified_about_already[host] and not ignore_domains[host] then |
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42 notified_about_already[host] = os.time(); |
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43 local _, errors = conn:getpeerverification(); |
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44 local error_message = ""; |
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45 |
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46 for depth, t in pairs(errors or {}) do |
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47 if #t > 0 then |
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48 error_message = error_message .. "Error with certificate " .. (depth - 1) .. ": " .. table.concat(t, ", ") .. ". "; |
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49 end |
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50 end |
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51 |
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52 if session.cert_identity_status then |
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53 error_message = error_message .. "This certificate is " .. session.cert_identity_status .. " for " .. host .. "."; |
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54 end |
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55 |
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56 local replacements = { |
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57 sha1 = event.cert and event.cert:digest("sha1") or "(No certificate)", |
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58 sha256 = event.cert and event.cert:digest("sha256") or "(No certificate)", |
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59 errors = error_message |
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60 }; |
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61 |
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62 local message = st.message({ type = msg_type, from = local_host }, |
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63 untrusted_fail_notification:gsub("%$([%w_]+)", function (v) |
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64 return event[v] or session and session[v] or replacements and replacements[v] or nil; |
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65 end)); |
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66 for jid in untrusted_fail_watchers do |
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67 module:log("debug", "Notifying %s", jid); |
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68 message.attr.to = jid; |
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69 module:send(message); |
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70 end |
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71 end |
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72 end, -0.5); |
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73 |
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74 module:add_timer(14400, function (now) |
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75 for host, time in pairs(notified_about_already) do |
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76 if time + 86400 < now then |
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77 notified_about_already[host] = nil; |
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78 end |
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79 end |
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80 return 14400; |
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81 end) |