订阅页 back 安全护栏:快捷筛选仅透传安全 back(补测试)
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@@ -61,19 +61,31 @@
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<div class="muted mb-10">用于运营快速定位需要处理的订阅集合(口径基于筛选条件组合)。</div>
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@php
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// 快捷筛选:仅保留“上下文”字段(站点/套餐/back/关键词),避免把其它筛选条件叠加导致空结果
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$buildQuickFilterUrl = function (array $overrides) {
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// back 安全护栏:本页大量链接使用 `{!! !!}` 原样输出,必须严控 back 注入与 nested back。
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$incomingBack = (string) request()->query('back', '');
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$safeBackForLinks = (str_starts_with($incomingBack, '/')
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&& !preg_match('/["\'<>]/', $incomingBack)
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// back 本身不应再包含 back(避免无限嵌套导致 URL 膨胀)
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&& !preg_match('/(?:^|[?&])back=/', $incomingBack))
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? $incomingBack
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: '';
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// 快捷筛选:仅保留“上下文”字段(站点/套餐/keyword/安全 back),避免把其它筛选条件叠加导致空结果
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$buildQuickFilterUrl = function (array $overrides) use ($safeBackForLinks) {
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$path = '/' . ltrim(request()->path(), '/');
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$contextKeys = [
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'merchant_id' => 1,
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'plan_id' => 1,
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'back' => 1,
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'keyword' => 1,
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];
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$q = array_intersect_key(request()->query(), $contextKeys);
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if ($safeBackForLinks !== '') {
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$q['back'] = $safeBackForLinks;
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}
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foreach ($overrides as $k => $v) {
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if ($v === null) {
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unset($q[$k]);
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@@ -89,17 +101,10 @@
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return $path . '?' . \Illuminate\Support\Arr::query($q);
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};
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// “全部”:清空筛选,但保留 back(用于返回来源页)
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$incomingBack = (string) request()->query('back', '');
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$safeBack = (str_starts_with($incomingBack, '/')
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&& !preg_match('/["\'<>]/', $incomingBack)
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// back 本身不应再包含 back(避免无限嵌套导致 URL 膨胀)
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&& !preg_match('/(?:^|[?&])back=/', $incomingBack))
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? $incomingBack
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: '';
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// “全部”:清空筛选,但保留安全 back(用于返回来源页)
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$allUrl = '/admin/site-subscriptions';
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if ($safeBack !== '') {
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$allUrl .= '?' . \Illuminate\Support\Arr::query(['back' => $safeBack]);
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if ($safeBackForLinks !== '') {
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$allUrl .= '?' . \Illuminate\Support\Arr::query(['back' => $safeBackForLinks]);
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}
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@endphp
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