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fix(backup): address second round of PR review findings

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- api_v3: guard opts_dict with isinstance check after json.loads so a
  non-object JSON payload (null, array, etc.) returns a 400 instead of a
  500 AttributeError
- backup_manager: wrap tmp ZIP creation and os.replace in try/except so
  the .zip.tmp temp file is always removed on any failure
- backup_manager: replace hardcoded Path("/tmp/_zip_check") sentinel in
  validate_backup with a proper tempfile.TemporaryDirectory() so path
  traversal checks are portable and leave no artifacts
- backup_restore.html: detect partial-success responses (plugins_failed or
  errors non-empty) even when status is 'success' and render yellow/warning
  styling and notify instead of green

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Chuck
2026-04-27 12:03:47 -04:00
parent b609b9e9e1
commit 3d44e15a0d
3 changed files with 60 additions and 49 deletions
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9
web_interface/templates/v3/partials/backup_restore.html
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@@ -313,11 +313,14 @@
throw new Error(payload.message || msgs || 'Restore had errors');
}
const data = payload.data || {};
const hasPartial = (data.plugins_failed || []).length > 0 || (data.errors || []).length > 0;
const result = document.getElementById('restore-result');
result.className = 'bg-green-50 border-green-200 text-green-800 border rounded-md p-4';
result.className = (hasPartial
? 'bg-yellow-50 border-yellow-200 text-yellow-800'
: 'bg-green-50 border-green-200 text-green-800') + ' border rounded-md p-4';
result.classList.remove('hidden');
result.innerHTML = `
<h3 class="font-medium mb-2">Restore complete</h3>
<h3 class="font-medium mb-2">${hasPartial ? 'Restore complete with warnings' : 'Restore complete'}</h3>
<div><strong>Restored:</strong> ${(data.restored || []).map(escapeHtml).join(', ') || 'none'}</div>
<div><strong>Skipped:</strong> ${(data.skipped || []).map(escapeHtml).join(', ') || 'none'}</div>
<div><strong>Plugins installed:</strong> ${(data.plugins_installed || []).map(escapeHtml).join(', ') || 'none'}</div>
@@ -325,7 +328,7 @@
<div><strong>Errors:</strong> ${(data.errors || []).map(escapeHtml).join('; ') || 'none'}</div>
<p class="mt-2">Restart the display service to apply all changes.</p>
`;
notify('Restore complete', 'success');
notify(hasPartial ? 'Restore complete with warnings' : 'Restore complete', hasPartial ? 'warning' : 'success');
} catch (err) {
notify('Restore failed: ' + err.message, 'error');
} finally {