Jan-Niclas LoosenandClaude Sonnet 5.5
165e61d7fe
- Divi-Vollformat: headingLevel nur h1 bis h6 (ValueCleaner, StoredNodeGuard, ShortformWriter); sonst ließ sich für Konten ohne unfiltered_html ein Skript-Element erzeugen. - content-update, divi-update und wp-settings-update sind destructive, damit MCP-Clients nachfragen. - mcp-adapter/execute-ability und get-ability-info nehmen auf dem OAuth-Server nur lit/-Abilities an. - release-publish.sh übergibt den Gitea-Token per Konfigurationsdatei statt als curl-Argument. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
534 lines
23 KiB
PHP
534 lines
23 KiB
PHP
<?php
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declare(strict_types=1);
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namespace LIT\MCP\Tests\Unit\Integrations\Divi\Compose;
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use LIT\MCP\Integrations\Divi\BlockTree\Block;
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use LIT\MCP\Integrations\Divi\BlockTree\NodeIndex;
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use LIT\MCP\Integrations\Divi\BlockTree\Parser;
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use LIT\MCP\Integrations\Divi\BlockTree\Serializer;
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use LIT\MCP\Integrations\Divi\Compose\StoredNodeGuard;
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use LIT\MCP\Integrations\Divi\Compose\ValueCleaner;
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use LIT\MCP\Integrations\Divi\Compose\ValueSanitizer;
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use LIT\MCP\Integrations\Divi\Compose\VariableRef;
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use LIT\MCP\Integrations\Divi\Pages\DynamicContentMap;
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use LIT\MCP\Tests\Support\ComposeFixture;
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use LIT\MCP\Tests\Support\DiviFixtures;
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use PHPUnit\Framework\TestCase;
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/**
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* E6 with rulings P2/P3: stored nodes that move to another post are refused (never cleaned) for
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* users without unfiltered_html when they carry anything such a user could not write through the
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* Divi tools. The malicious rows use benign probes only (data-probe, a <script> that logs nothing).
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*/
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final class StoredNodeGuardTest extends TestCase
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{
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private const PROBE_HTML = '<iframe data-probe="1"></iframe>';
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private const PROBE_SCRIPT = '<script data-probe="1">/* probe */</script>';
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private static function guard(
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bool $unfiltered = false,
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bool $listUsers = true,
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bool $readPrivate = true
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): StoredNodeGuard {
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$references = new VariableRef(
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DiviFixtures::designSystem(),
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DynamicContentMap::fromOptions(DiviFixtures::dynamicContentRegistry())
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);
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$sanitizer = ComposeFixture::sanitizer($unfiltered, $listUsers, $readPrivate);
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$cleaner = new ValueCleaner(DiviFixtures::catalog(), $references, $sanitizer);
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return new StoredNodeGuard($cleaner, $references, $sanitizer);
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}
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private static function block(string $markup): Block
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{
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return (new Parser())->parse($markup)->children()[0];
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}
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/**
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* A void block the way WordPress/Divi serialize it: quotes inside strings (so inside a
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* $variable(…)$ payload) become " – ruling P2.
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*
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* @param array<string, mixed> $attrs
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*/
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private static function node(string $name, array $attrs): string
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{
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return '<!-- wp:' . $name . ' ' . Serializer::attributes($attrs) . ' /-->';
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}
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/** @param array<string, mixed> $settings */
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private static function ref(string $name, array $settings): string
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{
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return VariableRef::MARKER . json_encode(
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['type' => 'content', 'value' => ['name' => $name, 'settings' => (object) $settings]],
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JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR
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) . VariableRef::END;
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}
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/** @return array<string, mixed> */
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private static function desktop(mixed $value): array
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{
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return ['desktop' => ['value' => $value]];
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}
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private static function text(string $html): string
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{
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return self::node('divi/text', ['content' => ['innerContent' => self::desktop($html)]]);
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}
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public function testBuilderContentWithInstancesAndLinksPasses(): void
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{
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$index = NodeIndex::build((new Parser())->parse(DiviFixtures::markup('stage3/page--globale-instanzen.html')));
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$link = self::block(self::node('divi/button', ['button' => ['innerContent' => self::desktop([
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'text' => 'Kontakt',
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'linkUrl' => self::ref('post_link_url_page', ['post_id' => '839']),
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])]]));
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$title = self::block(self::text(self::ref('post_title', ['before' => 'Titel:', 'after' => ''])));
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self::assertFalse($link->isOpaque(), 'the link must really be parsed (P2)');
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self::assertFalse($title->isOpaque());
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self::assertSame([], self::guard()->problems($index->find('s0')));
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self::assertSame([], self::guard()->problems($index->find('g0')));
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self::assertSame([], self::guard()->problems($link));
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self::assertSame([], self::guard()->problems($title));
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$rich = self::block(self::text('<p>Tom & <strong>Jerry</strong></p>'));
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self::assertSame([], self::guard()->problems($rich));
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}
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/** @return array<string, array{string}> */
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public static function libraryEntries(): array
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{
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return [
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'global section' => ['stage3/library-global--globaler-abschnitt.html'],
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'global module' => ['stage3/library-global--globales-modul.html'],
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'full page layout' => ['stage3/library--layout-ganze-seite.html'],
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'section' => ['stage3/library--library-abschnitt.html'],
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'module' => ['stage3/library--library-modul.html'],
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'row' => ['stage3/library--library-zeile.html'],
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];
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}
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/** @dataProvider libraryEntries */
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public function testRealLibraryEntriesPass(string $fixture): void
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{
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$document = (new Parser())->parse(DiviFixtures::markup($fixture));
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foreach ($document->children() as $root) {
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self::assertSame([], self::guard()->problems($root));
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}
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}
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/** @return array<string, array{string, string, 2?: bool}> Markup, part of the problem, parsed opaque. */
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public static function refused(): array
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{
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$section = static fn (string $inner): string => '<!-- wp:divi/section --><!-- wp:divi/row -->'
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. '<!-- wp:divi/column -->'
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. $inner . '<!-- /wp:divi/column --><!-- /wp:divi/row --><!-- /wp:divi/section -->';
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return [
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// P3: builder-only paths (S7/S26).
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'custom css' => [
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self::node('divi/text', ['css' => self::desktop(['freeForm' => 'body{display:none}'])]),
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'"css"',
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],
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'custom css of a sub-element' => [
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self::node('divi/blurb', ['title' => ['css' => self::desktop(['freeForm' => 'a{}'])]]),
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'title.css',
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],
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'html attributes' => [
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self::node('divi/text', ['module' => ['decoration' => ['attributes' => self::desktop([
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'attributes' => [['name' => 'data-probe', 'value' => '1']],
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])]]]),
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'module.decoration.attributes',
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],
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'own html before the module' => [
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self::node('divi/text', ['module' => ['advanced' => ['html' => self::desktop([
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'htmlBefore' => self::PROBE_SCRIPT,
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])]]]),
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'module.advanced.html',
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],
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'own html below a state value' => [
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self::node('divi/text', ['module' => ['advanced' => self::desktop([
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'html' => ['htmlBefore' => self::PROBE_SCRIPT],
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])]]),
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'module.advanced.html',
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],
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'interactions (P16)' => [
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self::node('divi/text', ['module' => ['decoration' => ['interactions' => self::desktop([
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'interactions' => [[
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'trigger' => 'click',
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'effect' => 'addAttribute',
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'attributeName' => 'data-probe',
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'attributeValue' => '1',
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]],
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])]]]),
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'module.decoration.interactions',
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],
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'lottie source (P19)' => [
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self::node('divi/lottie', ['lottie' => ['innerContent' => self::desktop([
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'src' => 'https://probe.example/anim.json',
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'trigger' => 'onLoad',
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])]]),
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'lottie.innerContent',
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],
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// Code module (E6).
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'code module' => [
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self::node('divi/code', ['content' => ['innerContent' => self::desktop(self::PROBE_SCRIPT)]]),
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'Code-Modul',
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],
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'code module deep inside a section' => [$section('<!-- wp:divi/code /-->'), 'Code-Modul'],
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// P3: non-Divi blocks and raw text parts.
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'core html block' => [
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'<!-- wp:html -->' . self::PROBE_HTML . '<!-- /wp:html -->',
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'kein Divi-Block',
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],
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'core block inside a section' => [
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$section('<!-- wp:paragraph --><p data-probe="1">x</p><!-- /wp:paragraph -->'),
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'kein Divi-Block',
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],
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'raw text between blocks' => [$section(self::PROBE_HTML), 'Freitext'],
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'divi 4 shortcode between blocks' => [$section('[et_pb_code]probe[/et_pb_code]'), 'Freitext'],
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// P3: opaque blocks.
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'undecodable attributes' => ['<!-- wp:divi/text {"content":kaputt} /-->', 'nicht lesbar', true],
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'global module reference on a plain block' => [
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self::node('divi/text', ['globalModule' => '5']),
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'nicht lesbar',
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true,
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],
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'instance without block name' => [
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self::node('divi/global-layout', ['globalModule' => '5']),
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'nicht lesbar',
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true,
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],
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'instance with local attributes that are no object' => [
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self::node(
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'divi/global-layout',
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['globalModule' => '5', 'blockName' => 'divi/text', 'localAttrs' => 'x']
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),
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'nicht lesbar',
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true,
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],
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'instance of a code module' => [
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self::node('divi/global-layout', ['globalModule' => '5', 'blockName' => 'divi/code']),
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'Code-Modul',
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true,
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],
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'css in the local attributes of an instance' => [
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self::node('divi/global-layout', [
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'globalModule' => '5',
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'blockName' => 'divi/text',
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'localAttrs' => ['css' => self::desktop(['freeForm' => 'a{}'])],
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]),
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'"css"',
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true,
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],
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'rich text in the local attributes of an instance' => [
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self::node('divi/global-layout', [
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'globalModule' => '5',
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'blockName' => 'divi/text',
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'localAttrs' => ['content' => ['innerContent' => self::desktop(self::PROBE_HTML)]],
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]),
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'content.innerContent',
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true,
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],
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'script in the snapshot of an instance' => [
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'<!-- wp:divi/global-layout {"globalModule":"5","blockName":"divi/section"} --><!-- wp:divi/row -->'
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. '<!-- wp:divi/column -->' . self::text(self::PROBE_SCRIPT)
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. '<!-- /wp:divi/column --><!-- /wp:divi/row --><!-- /wp:divi/global-layout -->',
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'content.innerContent',
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true,
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],
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// P3: rich text that is not kses-stable.
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'probe element in rich text' => [self::text('<p>Hallo</p>' . self::PROBE_HTML), 'content.innerContent'],
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'script in rich text' => [self::text(self::PROBE_SCRIPT), 'content.innerContent'],
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'script in a text field' => [
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self::node('divi/heading', ['title' => ['innerContent' => self::desktop(self::PROBE_SCRIPT)]]),
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'title.innerContent',
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],
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'script url' => [
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self::node('divi/button', ['button' => ['innerContent' => self::desktop([
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'text' => 'Kontakt',
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'linkUrl' => 'javascript:void(0)',
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])]]),
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'button.innerContent',
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],
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'url the sanitizer would change' => [
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self::node('divi/button', ['button' => ['innerContent' => self::desktop([
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'linkUrl' => 'https://kunde.test/"data-probe="1',
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])]]),
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'button.innerContent.linkUrl',
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],
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'odd key inside a value' => [
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self::node('divi/text', ['module' => ['decoration' => ['spacing' => self::desktop([
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'<b data-probe="1">' => '1px',
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])]]]),
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'Schlüssel',
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],
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'instance with a non-numeric library id' => [
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self::node('divi/global-layout', ['globalModule' => '5x', 'blockName' => 'divi/text']),
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'nicht lesbar',
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true,
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],
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// Hardening (audit I1): Divi renders the first textual "globalModule":"<digits>" of the opener.
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'instance with two library ids (duplicate key)' => [
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'<!-- wp:divi/global-layout {"globalModule":"5","blockName":"divi/text","globalModule":"7"} /-->',
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'nicht lesbar',
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true,
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],
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'instance with a second library id in its local attributes' => [
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self::node('divi/global-layout', [
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'globalModule' => '5',
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'blockName' => 'divi/text',
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'localAttrs' => ['module' => ['globalModule' => '7']],
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]),
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'nicht lesbar',
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true,
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],
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'instance whose library id is escaped in the markup' => [
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'<!-- wp:divi/global-layout {"globalModule":"' . chr(92) . 'u0035","blockName":"divi/text"} /-->',
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'nicht lesbar',
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true,
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],
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'instance with library id zero' => [
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self::node('divi/global-layout', ['globalModule' => '000', 'blockName' => 'divi/text']),
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'nicht lesbar',
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true,
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],
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'control character' => [self::text('<p>a' . chr(1) . 'b</p>'), 'Steuerzeichen'],
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// Stored $variable references: the same check as client references (VariableRef).
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'script in before' => [
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self::text(self::ref('post_title', ['before' => self::PROBE_SCRIPT, 'after' => ''])),
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'Divi-Verweis mit Einstellungen',
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],
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'probe html in after' => [
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self::text(self::ref('post_title', ['before' => '', 'after' => self::PROBE_HTML])),
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'Divi-Verweis mit Einstellungen',
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],
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'protected meta' => [self::text(self::ref('custom_meta__edit_lock', [])), 'custom_meta__edit_lock'],
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'enable_html' => [
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self::text(self::ref('post_meta_key', [
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'before' => '',
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'select_meta_key' => 'custom_meta_telefon',
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'enable_html' => 'on',
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])),
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'enable_html',
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],
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'reference embedded in text' => [
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self::text('<p>Hallo ' . self::ref('post_title', []) . '</p>'),
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'allein im Wert',
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],
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'content reference as a link' => [
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self::node('divi/button', ['button' => ['innerContent' => self::desktop([
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'linkUrl' => self::ref('post_title', ['before' => self::PROBE_HTML]),
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])]]),
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'button.innerContent',
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],
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];
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}
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/** Divi renders "0123" as entry 123 (intval) – such an instance is a readable reference. */
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public function testALibraryIdWithLeadingZerosIsAnInstance(): void
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{
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$block = self::block(self::node('divi/global-layout', ['globalModule' => '0123', 'blockName' => 'divi/text']));
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self::assertSame([], self::guard()->problems($block));
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}
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/** @dataProvider refused */
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public function testRefusesWhatTheUserCouldNotWriteForUsersWithoutUnfilteredHtml(
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string $markup,
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string $problem,
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bool $opaque = false
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): void {
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$block = self::block($markup);
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self::assertSame($opaque, $block->isOpaque(), 'the row must parse as intended (P2)');
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$problems = self::guard()->problems($block);
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self::assertNotSame([], $problems);
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self::assertStringContainsString($problem, implode(' | ', $problems));
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self::assertSame([], self::guard(true)->problems($block), 'unfiltered_html may carry it');
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}
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public function testNamesEveryProblemOnceAndLeavesTheNodeUntouched(): void
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{
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$markup = '<!-- wp:divi/section --><!-- wp:divi/row --><!-- wp:divi/column -->'
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. self::node('divi/code', []) . self::node('divi/code', [])
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. self::text(self::PROBE_SCRIPT)
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. '<!-- /wp:divi/column --><!-- /wp:divi/row --><!-- /wp:divi/section -->';
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$block = self::block($markup);
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$problems = self::guard()->problems($block);
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self::assertCount(2, $problems);
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self::assertSame($markup, Serializer::block($block));
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}
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/**
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* Like esc_url_raw() for an editor: only allowed protocols, characters outside its list go, and a
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* value without scheme that does not start with "/", "#" or "?" gets "http://" (so url() changes
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* relative links like "kontakt/"). $keepProtocolRelative decides what "//host" becomes.
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*/
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private static function wpLikeGuard(bool $keepProtocolRelative = true): StoredNodeGuard
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{
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$inner = ComposeFixture::sanitizer();
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$sanitizer = new class ($inner, $keepProtocolRelative) implements ValueSanitizer {
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public function __construct(private ValueSanitizer $inner, private bool $keepProtocolRelative)
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{
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}
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public function text(string $value): string
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{
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return $this->inner->text($value);
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}
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public function html(string $value): string
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{
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return $this->inner->html($value);
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}
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public function code(string $value): string
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{
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return $this->inner->code($value);
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}
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public function url(string $value): string
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{
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$allowed = '|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\[\]\x80-\xff]|i';
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$value = (string) preg_replace($allowed, '', trim($value));
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if (str_starts_with($value, '//')) {
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return $this->keepProtocolRelative ? $value : 'http:' . $value;
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}
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if (preg_match('/^([a-z][a-z0-9+.-]*):/i', $value, $scheme) === 1) {
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return in_array(strtolower($scheme[1]), ['http', 'https', 'mailto', 'tel'], true) ? $value : '';
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}
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return preg_match('/^[\/#?]/', $value) === 1 ? $value : 'http://' . $value;
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}
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public function allowsUnfilteredHtml(): bool
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{
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return false;
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}
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public function canListUsers(): bool
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{
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return $this->inner->canListUsers();
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}
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public function canReadPrivatePosts(): bool
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{
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return $this->inner->canReadPrivatePosts();
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}
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public function postTypeExists(string $type): bool
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{
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return $this->inner->postTypeExists($type);
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}
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public function canReadPost(int $id): bool
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{
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return $this->inner->canReadPost($id);
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}
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public function linkTargetType(int $id): ?string
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{
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return $this->inner->linkTargetType($id);
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}
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};
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$references = new VariableRef(
|
||
DiviFixtures::designSystem(),
|
||
DynamicContentMap::fromOptions(DiviFixtures::dynamicContentRegistry())
|
||
);
|
||
|
||
$cleaner = new ValueCleaner(DiviFixtures::catalog(), $references, $sanitizer);
|
||
|
||
return new StoredNodeGuard($cleaner, $references, $sanitizer);
|
||
}
|
||
|
||
private static function link(string $url): Block
|
||
{
|
||
return self::block(self::node('divi/button', ['button' => ['innerContent' => self::desktop([
|
||
'text' => 'Kontakt',
|
||
'linkUrl' => $url,
|
||
])]]));
|
||
}
|
||
|
||
/** Ruling P18: relative links stay copyable although esc_url_raw() would change them. */
|
||
public function testRelativeLinksWithoutSchemePass(): void
|
||
{
|
||
$accepted = ['kontakt/', '/pfad', '#anker', '?q=1', 'https://kunde.test/a?b=1#c', 'mailto:info@kunde.test'];
|
||
foreach ($accepted as $url) {
|
||
self::assertSame([], self::wpLikeGuard()->problems(self::link($url)), $url);
|
||
}
|
||
}
|
||
|
||
/** Ruling P18: every value with a scheme must survive url() unchanged; odd relative values are refused. */
|
||
public function testLinksWithASchemeOrOddCharactersAreRefused(): void
|
||
{
|
||
$refused = [
|
||
'javascript:alert(1)',
|
||
'JaVaScRiPt:alert(1)',
|
||
'java' . chr(9) . 'script:alert(1)',
|
||
'data:text/html,probe',
|
||
'kontakt/"data-probe="1',
|
||
"kontakt/'x",
|
||
'kontakt/ x',
|
||
'kontakt/<b>',
|
||
'\\evil.example',
|
||
'/\\evil.example',
|
||
];
|
||
foreach ($refused as $url) {
|
||
self::assertFalse(self::link($url)->isOpaque(), $url);
|
||
self::assertNotSame([], self::wpLikeGuard()->problems(self::link($url)), $url);
|
||
}
|
||
|
||
// Protocol-relative: only when url() leaves it as it is.
|
||
self::assertSame([], self::wpLikeGuard()->problems(self::link('//evil.example')));
|
||
self::assertNotSame([], self::wpLikeGuard(false)->problems(self::link('//evil.example')));
|
||
}
|
||
|
||
/** Audit L1: copied loops need the same rights as written ones – also for accounts with unfiltered_html. */
|
||
public function testACopiedLoopNeedsTheRightsItsSettingsNeed(): void
|
||
{
|
||
$user = self::block(self::node('divi/text', ['module' => ['advanced' => ['loop' => self::desktop(
|
||
['enable' => 'on', 'queryType' => 'user_roles']
|
||
)]]]));
|
||
$private = self::block(self::node('divi/text', ['module' => ['advanced' => ['loop' => self::desktop(
|
||
['enable' => 'on', 'queryType' => 'post_types', 'subTypes' => []]
|
||
)]]]));
|
||
|
||
foreach ([false, true] as $unfiltered) {
|
||
self::assertStringContainsString(
|
||
'list_users',
|
||
implode(' ', self::guard($unfiltered, false, true)->problems($user))
|
||
);
|
||
self::assertStringContainsString(
|
||
'read_private_posts',
|
||
implode(' ', self::guard($unfiltered, true, false)->problems($private))
|
||
);
|
||
}
|
||
self::assertSame([], self::guard(true, true, true)->problems($user));
|
||
self::assertSame([], self::guard(true, true, true)->problems($private));
|
||
}
|
||
|
||
/** Security audit 2026-11, B1: a copied heading keeps h1 to h6 only – "script" would become an element. */
|
||
public function testACopiedHeadingTagMustBeH1ToH6(): void
|
||
{
|
||
$heading = static fn (string $level): Block => self::block(self::node('divi/heading', ['title' => [
|
||
'decoration' => ['font' => ['font' => ['desktop' => ['value' => ['headingLevel' => $level]]]]],
|
||
]]));
|
||
|
||
self::assertSame([], self::guard()->problems($heading('h2')));
|
||
foreach (['script', 'H2', 'h9', 'h2><script>'] as $level) {
|
||
$problems = self::guard()->problems($heading($level));
|
||
|
||
self::assertNotSame([], $problems, $level);
|
||
self::assertStringContainsString('headingLevel', implode(' | ', $problems));
|
||
}
|
||
}
|
||
}
|