54 lines
2.3 KiB
PHP
54 lines
2.3 KiB
PHP
<?php
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namespace Tests\Unit;
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use App\Support\BackUrl;
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use PHPUnit\Framework\TestCase;
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class BackUrlSanitizeForLinksTest extends TestCase
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{
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public function test_sanitize_for_links_should_accept_simple_relative_path(): void
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{
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$this->assertSame('/admin/platform-orders', BackUrl::sanitizeForLinks('/admin/platform-orders'));
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}
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public function test_sanitize_for_links_should_reject_absolute_urls(): void
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{
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$this->assertSame('', BackUrl::sanitizeForLinks('https://evil.com/a'));
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$this->assertSame('', BackUrl::sanitizeForLinks('http://evil.com/a'));
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// 协议相对 URL
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$this->assertSame('', BackUrl::sanitizeForLinks('//evil.com/a'));
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}
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public function test_sanitize_for_links_should_reject_quotes_and_angle_brackets(): void
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{
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?keyword="a"'));
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$this->assertSame('', BackUrl::sanitizeForLinks("/admin/x?keyword='a'"));
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?a=<b>'));
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?a=>'));
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// 控制字符/CRLF 注入
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$this->assertSame('', BackUrl::sanitizeForLinks("/admin/x?x=1\nSet-Cookie:evil=1"));
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?x=1%0aSet-Cookie:evil=1'));
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}
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public function test_sanitize_for_links_should_reject_nested_back_param(): void
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{
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?back=/admin/y'));
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?a=1&back=/admin/y'));
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?a=1&b=2&back=/admin/y'));
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// 二次编码绕过：%26back%3D 在浏览器/中间层解码后会变回 &back=，因此也应拒绝
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?a=1%26back%3D/admin/y'));
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$this->assertSame('', BackUrl::sanitizeForLinks('/admin/x?a=1%2526back%253D/admin/y'));
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}
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public function test_sanitize_for_links_should_reject_paths_not_starting_with_slash(): void
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{
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$this->assertSame('', BackUrl::sanitizeForLinks('admin/platform-orders'));
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$this->assertSame('', BackUrl::sanitizeForLinks('../admin/platform-orders'));
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$this->assertSame('', BackUrl::sanitizeForLinks('javascript:alert(1)'));
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}
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}
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