prosody-modules
fb4a50bf60f1
mod_welcome_page/mod_welcome_page.lua

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mod_welcome_page/mod_welcome_page.lua @ 4542:fb4a50bf60f1

mod_prometheus: Invoke stats collection if in 'manual' mode Since 10d13e0554f9 a special value for statistics_interval "manual" exists, where a module is expected to invoke processing in connection to collection of stats. This makes internal collection and exporting to Prometheus happens at the same time with no chance of timers getting out of sync.
author Kim Alvefur <zash@zash.se>
date Tue, 13 Apr 2021 23:53:53 +0200
parent 4193:8d1e996034ee
child 4605:ffb709728210
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1 local st = require "util.stanza";
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2 local url_escape = require "util.http".urlencode;
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3 local render_html_template = require"util.interpolation".new("%b{}", st.xml_escape, {
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4 urlescape = url_escape;
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5 });
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6
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7 local template_path = module:get_option_string("welcome_page_template_path", module:get_directory().."/html");
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8 local user_vars = module:get_option("welcome_page_variables", {});
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9 local site_name = module:get_option("site_name", module.host);
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10 local invite_only = module:get_option_boolean("registration_invite_only", true);
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11 local open_registration = module:get_option_boolean("welcome_page_open_registration", not invite_only);
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12
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13 module:depends("http");
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14 local invites = module:depends("invites");
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15
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16 local function load_template(path)
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17 local template_file, err = io.open(path);
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18 if not template_file then
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19 error("Unable to load template file: "..tostring(err));
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20 end
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21 local template = template_file:read("*a");
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22 template_file:close();
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23 return template;
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24 end
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25
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26 local template = load_template(template_path.."/index.html");
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27
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28 local function serve_page(event)
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29 event.response.headers["Content-Type"] = "text/html; charset=utf-8";
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30 return render_html_template(template, {
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31 site_name = site_name;
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32 request = event.request;
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33 var = user_vars;
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34 });
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35 end
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36
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37 local function handle_submit(event)
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38 local submission = { allowed = open_registration, request = event.request };
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39 module:fire_event("mod_welcome_page/submission", submission);
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40 if not submission.allowed then
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41 event.response.headers["Content-Type"] = "text/html; charset=utf-8";
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42 return render_html_template(template, {
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43 site_name = site_name;
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44 request = event.request;
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45 var = user_vars;
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46 message = {
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47 class = "alert-danger";
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48 text = submission.reason or "Account creation is not possible at this time";
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49 };
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50 });
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51 end
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52
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53 local invite = invites.create_account(nil, { source = module.name });
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54 if not invite then
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55 return 500;
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56 end
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57
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58 event.response.headers.Location = invite.landing_page or invite.uri;
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59
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60 return 303;
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61 end
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62
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63 local http_files = module:depends("http_files");
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64
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65 module:provides("http", {
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66 default_path = "/";
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67 route = {
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68 ["GET"] = serve_page;
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69 ["GET /*"] = http_files.serve({ path = template_path });
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70 ["POST"] = handle_submit;
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71 };
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72 });