prosody
638f627e707f
plugins/mod_invites_adhoc.lua

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plugins/mod_invites_adhoc.lua @ 13134:638f627e707f

util.datamanager: Add O(1) list indexing with on-disk index Index file contains offsets and lengths of each item() which allows seeking directly to each item and reading it without parsing the entire file. Also allows tricks like binary search, assuming items have some defined order. We take advantage of the 1-based indexing in tables to store a magic header in the 0 position, so that table index 1 ends up at file index 1.
author Kim Alvefur <zash@zash.se>
date Tue, 11 May 2021 02:09:56 +0200
parent 12977:74b9e05af71e
child 13170:082c7d856e61
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1 -- XEP-0401: Easy User Onboarding
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2 local dataforms = require "prosody.util.dataforms";
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3 local datetime = require "prosody.util.datetime";
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4 local split_jid = require "prosody.util.jid".split;
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5
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6 local new_adhoc = module:require("adhoc").new;
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7
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8 -- Whether local users can invite other users to create an account on this server
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9 local allow_user_invites = module:get_option_boolean("allow_user_invites", false);
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10 -- Who can see and use the contact invite command. It is strongly recommended to
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11 -- keep this available to all local users. To allow/disallow invite-registration
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12 -- on the server, use the option above instead.
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13 local allow_contact_invites = module:get_option_boolean("allow_contact_invites", true);
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14
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15 module:default_permission(allow_user_invites and "prosody:user" or "prosody:admin", ":invite-users");
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16
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17 local invites;
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18 if prosody.shutdown then -- COMPAT hack to detect prosodyctl
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19 invites = module:depends("invites");
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20 end
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21
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22 local invite_result_form = dataforms.new({
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23 title = "Your invite has been created",
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24 {
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25 name = "url" ;
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26 var = "landing-url";
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27 label = "Invite web page";
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28 desc = "Share this link";
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29 },
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30 {
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31 name = "uri";
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32 label = "Invite URI";
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33 desc = "This alternative link can be opened with some XMPP clients";
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34 },
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35 {
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36 name = "expire";
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37 label = "Invite valid until";
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38 },
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39 });
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40
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41 -- This is for checking if the specified JID may create invites
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42 -- that allow people to register accounts on this host.
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43 local function may_invite_new_users(context)
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44 return module:may(":invite-users", context);
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45 end
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46
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47 module:depends("adhoc");
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48
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49 -- This command is available to all local users, even if allow_user_invites = false
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50 -- If allow_user_invites is false, creating an invite still works, but the invite will
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51 -- not be valid for registration on the current server, only for establishing a roster
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52 -- subscription.
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53 module:provides("adhoc", new_adhoc("Create new contact invite", "urn:xmpp:invite#invite",
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54 function (_, data)
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55 local username, host = split_jid(data.from);
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56 if host ~= module.host then
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57 return {
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58 status = "completed";
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59 error = {
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60 message = "This command is only available to users of "..module.host;
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61 };
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62 };
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63 end
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64 local invite = invites.create_contact(username, may_invite_new_users(data), {
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65 source = data.from
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66 });
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67 --TODO: check errors
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68 return {
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69 status = "completed";
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70 form = {
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71 layout = invite_result_form;
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72 values = {
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73 uri = invite.uri;
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74 url = invite.landing_page;
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75 expire = datetime.datetime(invite.expires);
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76 };
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77 };
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78 };
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79 end, allow_contact_invites and "local_user" or "admin"));
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80
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81 -- This is an admin-only command that creates a new invitation suitable for registering
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82 -- a new account. It does not add the new user to the admin's roster.
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83 module:provides("adhoc", new_adhoc("Create new account invite", "urn:xmpp:invite#create-account",
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84 function (_, data)
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85 local invite = invites.create_account(nil, {
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86 source = data.from
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87 });
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88 --TODO: check errors
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89 return {
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90 status = "completed";
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91 form = {
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92 layout = invite_result_form;
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93 values = {
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94 uri = invite.uri;
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95 url = invite.landing_page;
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96 expire = datetime.datetime(invite.expires);
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97 };
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98 };
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99 };
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100 end, "admin"));