TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Core\Security\ContentSecurityPolicy;
+
+use TYPO3\CMS\Core\Type\Map;
+use TYPO3\CMS\Core\Utility\StringUtility;
+
+final class ConsumableNonce implements \Countable, \Stringable
+{
+    private const int MIN_BYTES = 40;
+
+    /**
+     * @internal use the more specific methods `consumeInline()` or `consumeStatic()` instead
+     */
+    public readonly string $value;
+
+    /**
+     * @var Map<mixed, int>
+     */
+    private Map $inlineCount;
+
+    /**
+     * @var Map<mixed, int>
+     */
+    private Map $staticCount;
+
+    public function __construct(?string $value = null)
+    {
+        if ($value === null || strlen($value) < self::MIN_BYTES) {
+            $value = random_bytes(self::MIN_BYTES);
+            $value = StringUtility::base64urlEncode($value);
+        }
+        $this->value = $value;
+        $this->inlineCount = new Map();
+        $this->staticCount = new Map();
+    }
+
+    public function __toString(): string
+    {
+        return $this->consumeInline();
+    }
+
+    public function count(): int
+    {
+        return $this->countInline() + $this->countStatic();
+    }
+
+    public function countInline(mixed $aspect = null): int
+    {
+        if ($aspect === null) {
+            return array_sum($this->inlineCount->values());
+        }
+        return $this->inlineCount[$aspect] ?? 0;
+    }
+
+    public function countStatic(mixed $aspect = null): int
+    {
+        if ($aspect === null) {
+            return array_sum($this->staticCount->values());
+        }
+        return $this->staticCount[$aspect] ?? 0;
+    }
+
+    /**
+     * @internal consider using the more specific methods `consumeInline()` or `consumeStatic()` instead
+     */
+    public function consume(): string
+    {
+        return $this->consumeInline();
+    }
+
+    public function consumeInline(mixed $aspect = 'default'): string
+    {
+        // `\TYPO3\CMS\Core\Type\Map::offsetGet would` have to be `&offsetGet` for increments to work
+        $this->inlineCount[$aspect] = ($this->inlineCount[$aspect] ?? 0) + 1;
+        return $this->value;
+    }
+
+    public function consumeStatic(mixed $aspect = 'default'): string
+    {
+        // `\TYPO3\CMS\Core\Type\Map::offsetGet would` have to be `&offsetGet` for increments to work
+        $this->staticCount[$aspect] = ($this->staticCount[$aspect] ?? 0) + 1;
+        return $this->value;
+    }
+}