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mod_debug_omemo: Fix traceback in case of zero devices Turns out ipairs(nil) in Lua 5.4 does not throw until the first iterator.
author Kim Alvefur <zash@zash.se>
date Mon, 13 Sep 2021 21:47:01 +0200
parents d3080767ead3
children 41ddb782320c
line wrap: on
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<!DOCTYPE html>
<html>
<head>
<style>
/*

MIT License

Copyright (c) 2020 Simple.css (Kev Quirk)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
*/

:root {
  --sans-font: -apple-system, BlinkMacSystemFont, "Avenir Next", Avenir, "Nimbus Sans L", Roboto, Noto, "Segoe UI", Arial, Helvetica, "Helvetica Neue", sans-serif;
  --mono-font: Consolas, Menlo, Monaco, "Andale Mono", "Ubuntu Mono", monospace;

  --base-fontsize: 1.15rem;

  --header-scale: 1.25;

  --line-height: 1.618;

  /* Default (light) theme */
  --bg: #FFF;
  --accent-bg: #F5F7FF;
  --text: #212121;
  --text-light: #585858;
  --border: #D8DAE1;
  --accent: #0D47A1;
  --accent-light: #90CAF9;
  --code: #D81B60;
  --preformatted: #444;
  --marked: #FFDD33;
  --disabled: #EFEFEF;
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #212121;
    --accent-bg: #2B2B2B;
    --text: #DCDCDC;
    --text-light: #ABABAB;
    --border: #666;
    --accent: #FFB300;
    --accent-light: #FFECB3;
    --code: #F06292;
    --preformatted: #CCC;
    --disabled: #111;
  }

  img, video {
    opacity: .6;
  }
}

html {
  /* Set the font globally */
  font-family: var(--sans-font);
}

/* Make the body a nice central block */
body {
  color: var(--text);
  background: var(--bg);
  font-size: var(--base-fontsize);
  line-height: var(--line-height);
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  flex: 1;
  margin: 0 auto;
  max-width: 45rem;
  padding: 0 .5rem;
  overflow-x: hidden;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* Fix line height when title wraps */
h1, h2, h3 {
  line-height: 1.1;
}

/* Format headers */
h1 {
  font-size: calc(var(--base-fontsize) * var(--header-scale) * var(--header-scale) * var(--header-scale) * var(--header-scale));
  margin-top: calc(var(--line-height) * 1.5rem);
}

h2 {
  font-size: calc(var(--base-fontsize) * var(--header-scale) * var(--header-scale) * var(--header-scale));
  margin-top: calc(var(--line-height) * 1.5rem);
}

h3 {
  font-size: calc(var(--base-fontsize) * var(--header-scale) * var(--header-scale));
  margin-top: calc(var(--line-height) * 1.5rem);
}

h4 {
  font-size: calc(var(--base-fontsize) * var(--header-scale));
  margin-top: calc(var(--line-height) * 1.5rem);
}

h5 {
  font-size: var(--base-fontsize);
  margin-top: calc(var(--line-height) * 1.5rem);
}

h6 {
  font-size: calc(var(--base-fontsize) / var(--header-scale));
  margin-top: calc(var(--line-height) * 1.5rem);
}

/* Format links & buttons */
a,
a:visited {
  color: var(--accent);
}

a:hover {
  text-decoration: none;
}

/* Format tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5rem 0;
}

td,
th {
  border: 1px solid var(--border);
  text-align: left;
  padding: .5rem;
}

th {
  background: var(--accent-bg);
  font-weight: bold;
}

tr:nth-child(even) {
  background: var(--accent-bg);
}

/* Lists */
ol, ul {
  padding-left: 3rem;
}
</style>
</head>
<body>
<div class="container">
	<h1>OMEMO encryption information</h1>
	<p>OMEMO is an end-to-end encryption technology that protects communication between
	   users on the XMPP network. Find out more information <a href="https://conversations.im/omemo/">about OMEMO</a>
	   and <a href="https://omemo.top/">a list of OMEMO-capable software</a>.
	</p>

	<p>If you are on this page, it may mean that you received an encrypted message that your client could not decrypt.
	   Some possible causes of this problem are:</p>
	<ul>
	  <li>Your XMPP client does not support OMEMO, or does not have it enabled.</li>
	  <li>Your server software is too old (Prosody 0.11.x is recommended) or misconfigured.</li>
	  <li>The sender's client, or your client, has a bug in its OMEMO support.</li>
	</ul>
	
	<h2>Advanced information</h2>
	<p>Here you can find some advanced information that may be useful
	   when debugging why an OMEMO message could not be decrypted. You may
	   share this page privately with XMPP developers to help them
	   diagnose your problem.
	</p>

	<h3>Message status</h3>

	<p>This was an {message.encryption} {message.direction} {message.type} message. The sending device id was <tt>{omemo.sender_id}</tt>.</p>

	<h4>Recipient devices</h4>
	<table class="table">
	<tr>
		<th>Device ID</th>
		<th>Status</th>
		<th>Comment</th>
	</tr>
	{rids%<tr>
		<td>{idx}</td>
		<td>{item.status?Unknown device} {item.prekey&<span class="badge badge-warning">Used pre-key</span>}</td>
		<td>{item.comment?}</td>
	</tr>}
	</table>

	<h3>Account status</h3>
	<p>{user}'s account has {omemo.status} with OMEMO.</p>

	<h4>Registered OMEMO devices</h4>
	<table class="table">
		<tr>
			<th>Device ID</th>
			<th>Status</th>
			<th>Bundle</th>
			<th>Access</th>
		</tr>
		{omemo.devices%<tr>
			<td>{idx?<i>N/A</i>}</td>
			<td>{item.status?<i>N/A</i>}</td>
			<td>{item.bundle?<i>N/A</i>}</td>
			<td>{item.access_model?<i>N/A</i>}</td>
		</tr>}
	</table>
</div>
</body>
</html>