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