first commit

2025-11-22 09:54:51 -05:00
commit 07a07ab49f
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+namespace Kint\Parser;
+
+use Kint\Value\AbstractValue;
+use Kint\Value\Context\BaseContext;
+use Kint\Value\Representation\ValueRepresentation;
+use Kint\Value\StringValue;
+
+class Base64Plugin extends AbstractPlugin implements PluginCompleteInterface
+{
+    /**
+     * The minimum length before a string will be considered for base64 decoding.
+     */
+    public static int $min_length_hard = 16;
+
+    /**
+     * The minimum length before the base64 decoding will take precedence.
+     */
+    public static int $min_length_soft = 50;
+
+    public function getTypes(): array
+    {
+        return ['string'];
+    }
+
+    public function getTriggers(): int
+    {
+        return Parser::TRIGGER_SUCCESS;
+    }
+
+    public function parseComplete(&$var, AbstractValue $v, int $trigger): AbstractValue
+    {
+        if (\strlen($var) < self::$min_length_hard || \strlen($var) % 4) {
+            return $v;
+        }
+
+        if (\preg_match('/^[A-Fa-f0-9]+$/', $var)) {
+            return $v;
+        }
+
+        if (!\preg_match('/^[A-Za-z0-9+\\/=]+$/', $var)) {
+            return $v;
+        }
+
+        $data = \base64_decode($var, true);
+
+        if (false === $data) {
+            return $v;
+        }
+
+        $c = $v->getContext();
+
+        $base = new BaseContext('base64_decode('.$c->getName().')');
+        $base->depth = $c->getDepth() + 1;
+
+        if (null !== ($ap = $c->getAccessPath())) {
+            $base->access_path = 'base64_decode('.$ap.')';
+        }
+
+        $data = $this->getParser()->parse($data, $base);
+        $data->flags |= AbstractValue::FLAG_GENERATED;
+
+        if (!$data instanceof StringValue || false === $data->getEncoding()) {
+            return $v;
+        }
+
+        $r = new ValueRepresentation('Base64', $data);
+
+        if (\strlen($var) > self::$min_length_soft) {
+            $v->addRepresentation($r, 0);
+        } else {
+            $v->addRepresentation($r);
+        }
+
+        return $v;
+    }
+}