Mercurial > prosody-modules

annotate mod_muc_eventsource/mod_muc_eventsource.lua @ 5646:d67980d9e12d

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mod_http_oauth2: Apply refresh token ttl to refresh token instead of grant The intent in 59d5fc50f602 was for refresh tokens to extend the lifetime of the grant, but the refresh token ttl was applied to the grant and mod_tokenauth does not change it, leading to the grant expiring regardless of refresh token usage. This makes grant lifetimes unlimited, which seems to be standard practice in the wild.
author Kim Alvefur <zash@zash.se>
date Mon, 11 Sep 2023 10:48:31 +0200
parents 39485b9bbdd6
children
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1 module:depends("http");
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2 local nodeprep = require "util.encodings".stringprep.nodeprep;
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4 local jid_split = require "util.jid".split;
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5 local json = require "util.json";
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6
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7 local streams = {};
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9 function client_closed(response)
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10 local node = response._eventsource_node;
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11 module:log("debug", "Destroying client for %q", node);
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12 streams[node][response] = nil;
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13 if next(streams[node]) == nil then
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14 streams[node] = nil;
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15 end
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16 end
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18 function serve_stream(event, node)
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19 local response = event.response;
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20
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21 node = nodeprep(node);
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22 if node == nil then
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23 return 400;
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24 end
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25
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26 module:log("debug", "Client subscribed to: %s", node);
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28 response.on_destroy = client_closed;
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29 response._eventsource_node = node;
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31 response.conn:write(table.concat({
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32 "HTTP/1.1 200 OK";
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33 "Content-Type: text/event-stream";
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34 "Access-Control-Allow-Origin: *";
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35 "Access-Control-Allow-Methods: GET";
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36 "Access-Control-Max-Age: 7200";
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37 "";
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38 "";
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39 }, "\r\n"));
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40
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41 local clientlist = streams[node];
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42 if not clientlist then
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43 clientlist = {};
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44 streams[node] = clientlist;
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45 end
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46 clientlist[response] = response.conn;
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47
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48 return true;
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49 end
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50
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51 function handle_message(event)
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52 local room, stanza = event.room, event.stanza;
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53 local node = (jid_split(event.room.jid));
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54 local clientlist = streams[node];
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55 if not clientlist then module:log("debug", "No clients for %q", node); return; end
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56
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57 -- Extract body from message
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58 local body = event.stanza:get_child_text("body");
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59 if not body then
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60 return;
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61 end
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62 local nick = select(3, jid_split(stanza.attr.from));
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63 -- Encode body and broadcast to eventsource subscribers
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64 local json_data = json.encode({
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65 nick = nick;
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66 body = body;
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67 });
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68 local data = "data: "..json_data:gsub("\n", "\ndata: \n").."\n\n";
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69 for response, conn in pairs(clientlist) do
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70 conn:write(data);
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71 end
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72 end
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73
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74 module:provides("http", {
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75 name = "eventsource";
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76 route = {
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77 ["GET /*"] = serve_stream;
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78 };
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79 });
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82 module:hook("muc-broadcast-message", handle_message);