annotate mod_http_stats_stream/mod_http_stats_stream.lua @ 5170:4d6af8950016

mod_muc_moderation: Derive role from reserved nickname if occupant When using a different client to moderate than the one used to participate in the chat, e.g. a command line tool like clix, there's no occupant and no role to use in the permission check. Previously the default role based on affiliation was used. Now if you are present in the room using your reserved nick, the role you have there is used in the permission check instead of the default affiliation-derived role.
author Kim Alvefur <zash@zash.se>
date Sun, 19 Feb 2023 18:17:37 +0100
parents bac3dae031ee
children
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1 module:set_global();
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2
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3 local statsman = require "core.statsmanager";
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4 local http = require "net.http.server";
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5 local json = require "util.json";
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6
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7 assert(statsman.get_stats, "not compatible with trunk based on openmetrics");
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8
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9 local sessions = {};
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10
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11 local function updates_client_closed(response)
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12 module:log("debug", "Streamstats client closed");
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13 sessions[response] = nil;
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14 end
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15
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16 local function get_updates(event)
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17 local request, response = event.request, event.response;
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18
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19 response.on_destroy = updates_client_closed;
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20
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21 response.headers.content_type = "text/event-stream";
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22 response.headers.x_accel_buffering = "no"; -- for nginx maybe?
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23 local resp = http.prepare_header(response);
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24 table.insert(resp, "event: stats-full\r\n");
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25 table.insert(resp, "data: ");
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26 table.insert(resp, json.encode(statsman.get_stats()));
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27 table.insert(resp, "\r\n\r\n");
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28 response.conn:write(table.concat(resp));
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29
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30 sessions[response] = request;
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31 return true;
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32 end
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34
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35 module:hook("stats-updated", function (event)
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36 local data = table.concat({
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37 "event: stats-updated";
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38 "data: "..json.encode(event.changed_stats);
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39 "";
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40 "";
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41 }, "\r\n")
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42 for response in pairs(sessions) do
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43 response.conn:write(data);
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44 end
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45 end);
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46
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47
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48 module:depends("http");
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49 module:provides("http", {
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50 route = {
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51 GET = get_updates;
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52 }
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53 });