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- SshKeyField: detect base64-encoded keys from DB so the "Key loaded" badge displays correctly after initial upload - Add COM_MOKOJOOMBACKUP_BACKUPS_N_ITEMS_DELETED language keys for Joomla's AdminController delete feedback message
113 lines
3.7 KiB
PHP
113 lines
3.7 KiB
PHP
<?php
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/**
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* @package MokoSuiteBackup
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* @subpackage com_mokosuitebackup
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* @author Moko Consulting <hello@mokoconsulting.tech>
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* @copyright Copyright (C) 2026 Moko Consulting. All rights reserved.
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* @license GNU General Public License version 3 or later; see LICENSE
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*
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* Custom field for SSH private key input.
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* Supports both file upload (via FileReader JS) and paste-in textarea.
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* The key content is stored in the database, not as a file on disk.
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*/
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namespace Joomla\Component\MokoSuiteBackup\Administrator\Field;
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defined('_JEXEC') or die;
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use Joomla\CMS\Form\FormField;
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use Joomla\CMS\Language\Text;
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class SshKeyField extends FormField
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{
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protected $type = 'SshKey';
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protected function getInput(): string
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{
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$value = $this->value ?? '';
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$id = $this->id;
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$name = $this->name;
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$decoded = !empty($value) ? (base64_decode($value, true) ?: '') : '';
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$hasKey = !empty($value) && ($value === '__KEEP_EXISTING__'
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|| str_contains($value, 'PRIVATE KEY')
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|| str_contains($decoded, 'PRIVATE KEY'));
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$html = '<div id="' . htmlspecialchars($id) . '-wrapper">';
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/* Status badge */
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if ($hasKey) {
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$html .= '<span class="badge bg-success me-2">'
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. '<span class="icon-lock" aria-hidden="true"></span> '
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. Text::_('COM_MOKOJOOMBACKUP_FIELD_SFTP_KEY_LOADED')
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. '</span>';
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}
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/* File upload button */
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$html .= '<label class="btn btn-outline-secondary btn-sm" for="' . htmlspecialchars($id) . '-file">';
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$html .= '<span class="icon-upload" aria-hidden="true"></span> ';
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$html .= $hasKey ? Text::_('COM_MOKOJOOMBACKUP_FIELD_SFTP_KEY_REPLACE') : Text::_('COM_MOKOJOOMBACKUP_FIELD_SFTP_KEY_UPLOAD');
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$html .= '</label>';
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$html .= '<input type="file" id="' . htmlspecialchars($id) . '-file"'
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. ' accept=".pem,.key,.openssh,.ppk,*" style="display:none;"'
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. ' onchange="mokoSshKeyFileSelected(\'' . htmlspecialchars($id) . '\', this)">';
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$html .= '<span id="' . htmlspecialchars($id) . '-status" class="ms-2 text-muted small"></span>';
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if ($hasKey) {
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$html .= ' <button type="button" class="btn btn-sm btn-outline-danger ms-2"'
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. ' onclick="mokoSshKeyClear(\'' . htmlspecialchars($id) . '\')">'
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. '<span class="icon-times" aria-hidden="true"></span> '
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. Text::_('COM_MOKOJOOMBACKUP_FIELD_SFTP_KEY_CLEAR')
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. '</button>';
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}
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/* Hidden field — key data is NEVER rendered as visible text.
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On existing keys, we submit a sentinel value to preserve the DB value
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unless a new file is uploaded or clear is clicked. */
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if ($hasKey) {
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$html .= '<input type="hidden" name="' . htmlspecialchars($name) . '" id="' . htmlspecialchars($id) . '"'
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. ' value="__KEEP_EXISTING__">';
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} else {
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$html .= '<input type="hidden" name="' . htmlspecialchars($name) . '" id="' . htmlspecialchars($id) . '"'
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. ' value="">';
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}
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$html .= '</div>';
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$html .= $this->getScript();
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return $html;
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}
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private function getScript(): string
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{
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return <<<'JS'
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<script>
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function mokoSshKeyFileSelected(fieldId, input) {
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if (!input.files || !input.files[0]) return;
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var file = input.files[0];
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var reader = new FileReader();
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reader.onload = function(e) {
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/* Base64 encode the key before storing in the hidden field */
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var content = e.target.result;
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var encoded = btoa(content);
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document.getElementById(fieldId).value = encoded;
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var status = document.getElementById(fieldId + '-status');
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if (status) status.textContent = file.name + ' uploaded';
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};
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reader.readAsText(file);
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}
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function mokoSshKeyClear(fieldId) {
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document.getElementById(fieldId).value = '';
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var status = document.getElementById(fieldId + '-status');
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if (status) status.textContent = 'Key removed';
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var fileInput = document.getElementById(fieldId + '-file');
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if (fileInput) fileInput.value = '';
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}
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</script>
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JS;
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}
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}
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