Files
webgui/plugins/dynamix/EncryptionSettings.page
2017-08-17 00:25:41 +02:00

115 lines
4.5 KiB
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Menu="UserPreferences"
Title="Encryption Settings"
Icon="encryption-settings.png"
---
<?PHP
/* Copyright 2005-2017, Lime Technology
* Copyright 2012-2017, Bergware International.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*/
?>
<?
$keyfile = file_exists($var['luksKeyfile']) ? $var['luksKeyfile'] : '';
$online = $var['fsState']=='Stopped' ? '' : 'disabled';
?>
<script>
<?if ($keyfile):?>
function checkInput(form) {
form.keyfile.disabled = true;
return true;
}
function toggleButton(checked) {
$('input[name="#apply"]').prop('disabled',!checked);
}
<?else:?>
function checkInput(form) {
if (form.text.value || form.file.value) {
form.input.disabled = true;
form.local.disabled = true;
return true;
}
return false;
}
function selectInput(form) {
if (form.input.value == 'text') {
form.file.value = '';
form.local.value = '';
$('#text').show(); $('#file').hide();
} else {
form.text.value = '';
form.textConf.value = '';
$('#text').hide(); $('#file').show();
}
form.apply.disabled = true;
}
function showPass(checked) {
$('input[name="text"],input[name="textConf"]').attr('type',checked ? 'text' : 'password');
}
function getFileContent(event,form) {
var input = event.target;
var reader = new FileReader();
reader.onload = function(){form.file.value = reader.result; form.apply.disabled = false;};
reader.readAsText(input.files[0]);
}
<?endif;?>
</script>
<form markdown="1" name="encrypt_settings" method="POST" action="/update.php" target="progressFrame" onsubmit="return checkInput(this)">
<input type="hidden" name="#file" value="unused">
<input type="hidden" name="#include" value="webGui/include/KeyUpload.php">
<input type="hidden" name="file" value="">
Encryption key:
: &nbsp;<?=$keyfile ?: 'Not present'?>
> Shows the path and name of the current keyfile, if present.
>
> This keyfile is read upon array start and is used to encrypt/decrypt content of devices which have encryption enabled.
<?if ($keyfile):?>
Delete <input type="checkbox" name="keyfile" onchange="toggleButton(this.checked)">
: <input type="submit" name="#apply" value="Delete" disabled><input type="button" value="Done" class="lock" onclick="done()">
> The keyfile can be deleted in order to create a new encryption key. This however will invalidate all existing encrypted content.
> Devices need to be reformatted and content is permanently lost when the encryption key is changed.
>
> For the really 'paranoid'. It is allowed to delete the keyfile *after* the array is started and re-enter the keyfile *while* the array is stopped.
> This ensures there is no *clear* encryption key present on the system when the array is online.
<?else:?>
Encryption input:
: <select name="input" size="1" onchange="selectInput(this.form)"<?=$online?>>
<?=mk_option(1, "text", "Passphrase")?>
<?=mk_option(1, "file", "Keyfile")?>
</select>
> Select manual input or file input of the encryption key. Note that the encryption key needs to be re-entered each time the system is rebooted.
>
> The array will **not** start automatically when encrypted volumes are present.
<div id="text" markdown="1">
Passphrase:
: <input type="password" name="text" maxlength="512" value=""<?=$online?>><?if (!$online):?><input id="eye" type="checkbox" onchange="showPass(this.checked)">show passphrase<?endif;?>
Retype passphrase:
: <input type="password" name="textConf" maxlength="512" value=""<?=$online?> onKeyUp="this.form.apply.disabled=(this.form.text.value!=this.form.textConf.value)">
> Enter a secure passphrase as encryption key. The passphrase can be up to 512 characters. **Memorize** this passphrase, if lost device content can not be recovered.
</div>
<div id="file" markdown="1" style="display:none">
Keyfile:
: <input type="file" name="local" onchange="getFileContent(event,this.form)"<?=$online?>>
> Select a local keyfile with a stored encryption key. **Keep** your local keyfile secured, if lost device content can not be recovered.
</div>
<input type="button" value="Benchmark" onclick="openBox('/webGui/include/CryptoBenchmark.php','Encryption Benchmarking',600,640)">
: <input type="submit" name="apply" value="Apply" class="lock"><input type="button" value="Done" onclick="done()"><?if ($online):?>Array must be <span class="strong big">Stopped</span> to change<?endif;?>
<?endif;?>
</form>