annotate mod_muc_offline_delivery/README.md @ 5285:8e1f1eb00b58

mod_sasl2_fast: Fix harmless off-by-one error (invalidates existing tokens!) Problem: This was causing the key to become "<token>--cur" instead of the expected "<token>-cur". As the same key was used by the code to both set and get, it still worked. Rationale for change: Although it worked, it's unintended, inconsistent and messy. It increases the chances of future bugs due to the unexpected format. Side-effects of change: Existing '--cur' entries will not be checked after this change, and therefore existing FAST clients will fail to authenticate until they attempt password auth and obtain a new FAST token. Existing '--cur' entries in storage will not be cleaned up by this commit, but this is considered a minor issue, and okay for the relatively few FAST deployments.
author Matthew Wild <mwild1@gmail.com>
date Wed, 29 Mar 2023 16:12:15 +0100
parents 3b7847c9bd26
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1 ---
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2 labels:
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3 - 'Stage-Alpha'
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4 summary: 'Support for sending MUC messages to offline users'
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5 ...
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7 Introduction
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8 ============
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9
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10 This module implements support for sending messages in a MUC to affiliated users
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11 who are not in the room. This is a custom extension by Tigase to allow push notifications
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12 from MUCs to users who are not currently connected.
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14 It is planned that this will evolve to a XEP in the near future.
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16 The protocol is described below. It is implemented in the Siskin client for iOS.
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18 Details
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19 =======
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21 Add to modules_enabled under your MUC component (i.e. **not** the global modules_enabled
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22 list). There are no configuration options.
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24 Compatibility
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25 =============
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27 Requires Prosody trunk (0.12) for the API introduced in commit 336cba957c88.
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29 Protocol
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30 ========
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32 To enable this feature, a client must fetch the registration form from a MUC,
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33 as per XEP-0045. The form will include the usual field for nickname (this is
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34 required), and also a boolean field named `{http://tigase.org/protocol/muc}offline`.
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36 Submit the form with that field set to true, and the MUC will forward messages
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37 to your bare JID when you are not connected to the room. Two things to note:
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39 1. This will achieve nothing unless your server is capable of handling these
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40 messages correctly.
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41 2. Messages are only sent when you are not in the room. This includes other
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42 resources of the same account.