1: | <?php |
2: | |
3: | /* |
4: | * The MIT License (MIT) |
5: | * |
6: | * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com) |
7: | * |
8: | * Permission is hereby granted, free of charge, to any person obtaining a copy of |
9: | * this software and associated documentation files (the "Software"), to deal in |
10: | * the Software without restriction, including without limitation the rights to |
11: | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
12: | * the Software, and to permit persons to whom the Software is furnished to do so, |
13: | * subject to the following conditions: |
14: | * |
15: | * The above copyright notice and this permission notice shall be included in all |
16: | * copies or substantial portions of the Software. |
17: | * |
18: | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19: | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
20: | * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
21: | * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
22: | * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
23: | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
24: | */ |
25: | |
26: | namespace Kint\Parser; |
27: | |
28: | use Kint\Object\BasicObject; |
29: | use Kint\Object\Representation\Representation; |
30: | |
31: | class Base64Plugin extends Plugin |
32: | { |
33: | /** |
34: | * The minimum length before a string will be considered for base64 decoding. |
35: | * |
36: | * @var int |
37: | */ |
38: | public static $min_length_hard = 16; |
39: | |
40: | /** |
41: | * The minimum length before the base64 decoding will take precedence. |
42: | * |
43: | * @var int |
44: | */ |
45: | public static $min_length_soft = 50; |
46: | |
47: | public function getTypes() |
48: | { |
49: | return array('string'); |
50: | } |
51: | |
52: | public function getTriggers() |
53: | { |
54: | return Parser::TRIGGER_SUCCESS; |
55: | } |
56: | |
57: | public function parse(&$var, BasicObject &$o, $trigger) |
58: | { |
59: | if (\strlen($var) < self::$min_length_hard || \strlen($var) % 4) { |
60: | return; |
61: | } |
62: | |
63: | if (\preg_match('/^[A-Fa-f0-9]+$/', $var)) { |
64: | return; |
65: | } |
66: | |
67: | if (!\preg_match('/^[A-Za-z0-9+\\/=]+$/', $var)) { |
68: | return; |
69: | } |
70: | |
71: | /** @var false|string */ |
72: | $data = \base64_decode($var, true); |
73: | |
74: | if (false === $data) { |
75: | return; |
76: | } |
77: | |
78: | $base_obj = new BasicObject(); |
79: | $base_obj->depth = $o->depth + 1; |
80: | $base_obj->name = 'base64_decode('.$o->name.')'; |
81: | |
82: | if ($o->access_path) { |
83: | $base_obj->access_path = 'base64_decode('.$o->access_path.')'; |
84: | } |
85: | |
86: | $r = new Representation('Base64'); |
87: | $r->contents = $this->parser->parse($data, $base_obj); |
88: | |
89: | if (\strlen($var) > self::$min_length_soft) { |
90: | $o->addRepresentation($r, 0); |
91: | } else { |
92: | $o->addRepresentation($r); |
93: | } |
94: | } |
95: | } |
96: |