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annotate mod_post_msg/mod_post_msg.lua @ 4210:a0937b5cfdcb

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mod_invites_page: Remove preauth URI button This button is incompatible with the majority of XMPP clients around, yet based on feedback from users, many are drawn to click it when they have any XMPP client installed already. In the case where the user already has software installed, we would prefer them to select it from the software list so they can follow the setup process suited to their specific client (we already track which software supports preauth URIs). If their client is not listed, they can still use the manual registration link instead.
author Matthew Wild <mwild1@gmail.com>
date Fri, 16 Oct 2020 11:03:38 +0100
parents 926aaaeb0d21
children
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1 module:depends"http"
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2
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3 local jid_split = require "util.jid".split;
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4 local jid_prep = require "util.jid".prep;
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5 local msg = require "util.stanza".message;
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6 local test_password = require "core.usermanager".test_password;
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7 local b64_decode = require "util.encodings".base64.decode;
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8 local formdecode = require "net.http".formdecode;
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9 local xml = require"util.xml";
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10 local json = require "util.json";
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11
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12 local function require_valid_user(f)
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13 return function(event, path)
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14 local request = event.request;
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15 local response = event.response;
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16 local headers = request.headers;
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17 if not headers.authorization then
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18 response.headers.www_authenticate = ("Basic realm=%q"):format(module.host.."/"..module.name);
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19 return 401
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20 end
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21 local from_jid, password = b64_decode(headers.authorization:match"[^ ]*$"):match"([^:]*):(.*)";
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22 from_jid = jid_prep(from_jid);
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23 if from_jid and password then
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24 local user, host = jid_split(from_jid);
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25 local ok, err = test_password(user, host, password);
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26 if ok and user and host then
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27 module:log("debug", "Authed as %s", from_jid);
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28 return f(event, path, from_jid);
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29 elseif err then
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30 module:log("debug", "User failed authentication: %s", err);
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31 end
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32 end
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33 return 401
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34 end
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35 end
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36
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37 local function handle_post(event, path, authed_user)
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38 local request = event.request;
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39 local response = event.response;
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40 local headers = request.headers;
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41
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42 local body_type = headers.content_type;
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43 local to = jid_prep(path);
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44 local message;
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45 if body_type == "text/plain" then
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46 if to and request.body then
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47 message = msg({ to = to, from = authed_user, type = "chat"},request.body);
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48 end
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49 elseif body_type == "application/x-www-form-urlencoded" then
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50 local post_body = formdecode(request.body);
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51 message = msg({ to = post_body.to or to, from = authed_user,
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52 type = post_body.type or "chat"}, post_body.body);
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53 if post_body.html then
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54 local html, err = xml.parse([[<body xmlns="http://www.w3.org/1999/xhtml">]]..post_body.html..[[</body>]]);
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55 if not html then
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56 module:log("warn", "mod_post_msg: invalid XML: %s", err);
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57 return 400;
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58 end
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59 message:tag("html", {xmlns="http://jabber.org/protocol/xhtml-im"}):add_child(html):up();
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60 end
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61 elseif body_type == "application/json" then
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62 local post_body = json.decode(request.body);
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63 if not post_body then return 400; end
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64 message = msg({ to = post_body.to or to, from = authed_user,
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65 type = post_body.type or "chat"}, post_body.body);
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66 else
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67 return 415;
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68 end
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69 if message and message.attr.to then
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70 module:log("debug", "Sending %s", tostring(message));
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71 module:send(message);
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72 return 201;
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73 end
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74 return 422;
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75 end
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76
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77 module:provides("http", {
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78 default_path = "/msg";
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79 route = {
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80 ["POST /*"] = require_valid_user(handle_post);
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81 OPTIONS = function(e)
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82 local headers = e.response.headers;
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83 headers.allow = "POST";
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84 headers.accept = "application/x-www-form-urlencoded, text/plain";
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85 return 200;
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86 end;
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87 }
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88 });