Revision 34
Added by Manuela almost 7 years ago
branches/main/admin/interface/version.php | ||
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44 | 44 |
if (!defined('VERSION_LOADED')) { |
45 | 45 |
$sInfo = ' |
46 | 46 |
VERSION = "2.11.0-RC1" |
47 |
REVISION = "33"
|
|
47 |
REVISION = "34"
|
|
48 | 48 |
SP = "" |
49 | 49 |
'; |
50 | 50 |
foreach (parse_ini_string($sInfo) as $item=>$value) { |
branches/main/framework/initialize.php | ||
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274 | 274 |
if (!defined('MAX_DATETIME')) { define('MAX_DATETIME', ((2**31)-1)); } |
275 | 275 |
/* -------------------------------------------------------- */ |
276 | 276 |
if ( !defined('WB_PATH')) { define('WB_PATH', dirname(__DIR__)); } |
277 |
// activate Autoloader |
|
277 |
// activate PHP5 randomizer compatibility layer ----------------------------------------------------- |
|
278 |
if (PHP_MAJOR_VERSION < 7 && is_readable(WB_PATH.'/include/Paragonie/random.php')) { |
|
279 |
include_once WB_PATH.'/include/Paragonie/random.php'; |
|
280 |
} |
|
281 |
// activate Autoloader ------------------------------------------------------------------- |
|
278 | 282 |
if (!class_exists('\bin\CoreAutoloader')) { |
279 | 283 |
include __DIR__.'/CoreAutoloader.php'; |
280 | 284 |
} |
branches/main/include/Paragonie/LICENSE | ||
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1 |
The MIT License (MIT) |
|
2 |
|
|
3 |
Copyright (c) 2015 Paragon Initiative Enterprises |
|
4 |
|
|
5 |
Permission is hereby granted, free of charge, to any person obtaining a copy |
|
6 |
of this software and associated documentation files (the "Software"), to deal |
|
7 |
in the Software without restriction, including without limitation the rights |
|
8 |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
9 |
copies of the Software, and to permit persons to whom the Software is |
|
10 |
furnished to do so, subject to the following conditions: |
|
11 |
|
|
12 |
The above copyright notice and this permission notice shall be included in all |
|
13 |
copies or substantial portions of the Software. |
|
14 |
|
|
15 |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
16 |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
17 |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
18 |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
19 |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
20 |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
21 |
SOFTWARE. |
|
22 |
|
branches/main/include/Paragonie/byte_safe_strings.php | ||
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1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
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28 |
|
|
29 |
if (!is_callable('RandomCompat_strlen')) { |
|
30 |
if ( |
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31 |
defined('MB_OVERLOAD_STRING') && |
|
32 |
ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING |
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33 |
) { |
|
34 |
/** |
|
35 |
* strlen() implementation that isn't brittle to mbstring.func_overload |
|
36 |
* |
|
37 |
* This version uses mb_strlen() in '8bit' mode to treat strings as raw |
|
38 |
* binary rather than UTF-8, ISO-8859-1, etc |
|
39 |
* |
|
40 |
* @param string $binary_string |
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41 |
* |
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42 |
* @throws TypeError |
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43 |
* |
|
44 |
* @return int |
|
45 |
*/ |
|
46 |
function RandomCompat_strlen($binary_string) |
|
47 |
{ |
|
48 |
if (!is_string($binary_string)) { |
|
49 |
throw new TypeError( |
|
50 |
'RandomCompat_strlen() expects a string' |
|
51 |
); |
|
52 |
} |
|
53 |
|
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54 |
return (int) mb_strlen($binary_string, '8bit'); |
|
55 |
} |
|
56 |
|
|
57 |
} else { |
|
58 |
/** |
|
59 |
* strlen() implementation that isn't brittle to mbstring.func_overload |
|
60 |
* |
|
61 |
* This version just used the default strlen() |
|
62 |
* |
|
63 |
* @param string $binary_string |
|
64 |
* |
|
65 |
* @throws TypeError |
|
66 |
* |
|
67 |
* @return int |
|
68 |
*/ |
|
69 |
function RandomCompat_strlen($binary_string) |
|
70 |
{ |
|
71 |
if (!is_string($binary_string)) { |
|
72 |
throw new TypeError( |
|
73 |
'RandomCompat_strlen() expects a string' |
|
74 |
); |
|
75 |
} |
|
76 |
return (int) strlen($binary_string); |
|
77 |
} |
|
78 |
} |
|
79 |
} |
|
80 |
|
|
81 |
if (!is_callable('RandomCompat_substr')) { |
|
82 |
|
|
83 |
if ( |
|
84 |
defined('MB_OVERLOAD_STRING') |
|
85 |
&& |
|
86 |
ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING |
|
87 |
) { |
|
88 |
/** |
|
89 |
* substr() implementation that isn't brittle to mbstring.func_overload |
|
90 |
* |
|
91 |
* This version uses mb_substr() in '8bit' mode to treat strings as raw |
|
92 |
* binary rather than UTF-8, ISO-8859-1, etc |
|
93 |
* |
|
94 |
* @param string $binary_string |
|
95 |
* @param int $start |
|
96 |
* @param int $length (optional) |
|
97 |
* |
|
98 |
* @throws TypeError |
|
99 |
* |
|
100 |
* @return string |
|
101 |
*/ |
|
102 |
function RandomCompat_substr($binary_string, $start, $length = null) |
|
103 |
{ |
|
104 |
if (!is_string($binary_string)) { |
|
105 |
throw new TypeError( |
|
106 |
'RandomCompat_substr(): First argument should be a string' |
|
107 |
); |
|
108 |
} |
|
109 |
|
|
110 |
if (!is_int($start)) { |
|
111 |
throw new TypeError( |
|
112 |
'RandomCompat_substr(): Second argument should be an integer' |
|
113 |
); |
|
114 |
} |
|
115 |
|
|
116 |
if ($length === null) { |
|
117 |
/** |
|
118 |
* mb_substr($str, 0, NULL, '8bit') returns an empty string on |
|
119 |
* PHP 5.3, so we have to find the length ourselves. |
|
120 |
*/ |
|
121 |
$length = RandomCompat_strlen($binary_string) - $start; |
|
122 |
} elseif (!is_int($length)) { |
|
123 |
throw new TypeError( |
|
124 |
'RandomCompat_substr(): Third argument should be an integer, or omitted' |
|
125 |
); |
|
126 |
} |
|
127 |
|
|
128 |
// Consistency with PHP's behavior |
|
129 |
if ($start === RandomCompat_strlen($binary_string) && $length === 0) { |
|
130 |
return ''; |
|
131 |
} |
|
132 |
if ($start > RandomCompat_strlen($binary_string)) { |
|
133 |
return ''; |
|
134 |
} |
|
135 |
|
|
136 |
return (string) mb_substr($binary_string, $start, $length, '8bit'); |
|
137 |
} |
|
138 |
|
|
139 |
} else { |
|
140 |
|
|
141 |
/** |
|
142 |
* substr() implementation that isn't brittle to mbstring.func_overload |
|
143 |
* |
|
144 |
* This version just uses the default substr() |
|
145 |
* |
|
146 |
* @param string $binary_string |
|
147 |
* @param int $start |
|
148 |
* @param int $length (optional) |
|
149 |
* |
|
150 |
* @throws TypeError |
|
151 |
* |
|
152 |
* @return string |
|
153 |
*/ |
|
154 |
function RandomCompat_substr($binary_string, $start, $length = null) |
|
155 |
{ |
|
156 |
if (!is_string($binary_string)) { |
|
157 |
throw new TypeError( |
|
158 |
'RandomCompat_substr(): First argument should be a string' |
|
159 |
); |
|
160 |
} |
|
161 |
|
|
162 |
if (!is_int($start)) { |
|
163 |
throw new TypeError( |
|
164 |
'RandomCompat_substr(): Second argument should be an integer' |
|
165 |
); |
|
166 |
} |
|
167 |
|
|
168 |
if ($length !== null) { |
|
169 |
if (!is_int($length)) { |
|
170 |
throw new TypeError( |
|
171 |
'RandomCompat_substr(): Third argument should be an integer, or omitted' |
|
172 |
); |
|
173 |
} |
|
174 |
|
|
175 |
return (string) substr($binary_string, $start, $length); |
|
176 |
} |
|
177 |
|
|
178 |
return (string) substr($binary_string, $start); |
|
179 |
} |
|
180 |
} |
|
181 |
} |
|
0 | 182 |
branches/main/include/Paragonie/cast_to_int.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!is_callable('RandomCompat_intval')) { |
|
30 |
|
|
31 |
/** |
|
32 |
* Cast to an integer if we can, safely. |
|
33 |
* |
|
34 |
* If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX) |
|
35 |
* (non-inclusive), it will sanely cast it to an int. If you it's equal to |
|
36 |
* ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats |
|
37 |
* lose precision, so the <= and => operators might accidentally let a float |
|
38 |
* through. |
|
39 |
* |
|
40 |
* @param int|float $number The number we want to convert to an int |
|
41 |
* @param bool $fail_open Set to true to not throw an exception |
|
42 |
* |
|
43 |
* @return float|int |
|
44 |
* @psalm-suppress InvalidReturnType |
|
45 |
* |
|
46 |
* @throws TypeError |
|
47 |
*/ |
|
48 |
function RandomCompat_intval($number, $fail_open = false) |
|
49 |
{ |
|
50 |
if (is_int($number) || is_float($number)) { |
|
51 |
$number += 0; |
|
52 |
} elseif (is_numeric($number)) { |
|
53 |
$number += 0; |
|
54 |
} |
|
55 |
|
|
56 |
if ( |
|
57 |
is_float($number) |
|
58 |
&& |
|
59 |
$number > ~PHP_INT_MAX |
|
60 |
&& |
|
61 |
$number < PHP_INT_MAX |
|
62 |
) { |
|
63 |
$number = (int) $number; |
|
64 |
} |
|
65 |
|
|
66 |
if (is_int($number)) { |
|
67 |
return (int) $number; |
|
68 |
} elseif (!$fail_open) { |
|
69 |
throw new TypeError( |
|
70 |
'Expected an integer.' |
|
71 |
); |
|
72 |
} |
|
73 |
return $number; |
|
74 |
} |
|
75 |
} |
|
0 | 76 |
branches/main/include/Paragonie/error_polyfill.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!class_exists('Error', false)) { |
|
30 |
// We can't really avoid making this extend Exception in PHP 5. |
|
31 |
class Error extends Exception |
|
32 |
{ |
|
33 |
|
|
34 |
} |
|
35 |
} |
|
36 |
|
|
37 |
if (!class_exists('TypeError', false)) { |
|
38 |
if (is_subclass_of('Error', 'Exception')) { |
|
39 |
class TypeError extends Error |
|
40 |
{ |
|
41 |
|
|
42 |
} |
|
43 |
} else { |
|
44 |
class TypeError extends Exception |
|
45 |
{ |
|
46 |
|
|
47 |
} |
|
48 |
} |
|
49 |
} |
|
0 | 50 |
branches/main/include/Paragonie/random.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* @version 2.0.10 |
|
7 |
* @released 2017-03-13 |
|
8 |
* |
|
9 |
* The MIT License (MIT) |
|
10 |
* |
|
11 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
12 |
* |
|
13 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
14 |
* of this software and associated documentation files (the "Software"), to deal |
|
15 |
* in the Software without restriction, including without limitation the rights |
|
16 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
17 |
* copies of the Software, and to permit persons to whom the Software is |
|
18 |
* furnished to do so, subject to the following conditions: |
|
19 |
* |
|
20 |
* The above copyright notice and this permission notice shall be included in |
|
21 |
* all copies or substantial portions of the Software. |
|
22 |
* |
|
23 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
24 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
25 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
26 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
27 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
28 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
29 |
* SOFTWARE. |
|
30 |
*/ |
|
31 |
|
|
32 |
if (!defined('PHP_VERSION_ID')) { |
|
33 |
// This constant was introduced in PHP 5.2.7 |
|
34 |
$RandomCompatversion = array_map('intval', explode('.', PHP_VERSION)); |
|
35 |
define( |
|
36 |
'PHP_VERSION_ID', |
|
37 |
$RandomCompatversion[0] * 10000 |
|
38 |
+ $RandomCompatversion[1] * 100 |
|
39 |
+ $RandomCompatversion[2] |
|
40 |
); |
|
41 |
$RandomCompatversion = null; |
|
42 |
} |
|
43 |
|
|
44 |
/** |
|
45 |
* PHP 7.0.0 and newer have these functions natively. |
|
46 |
*/ |
|
47 |
if (PHP_VERSION_ID >= 70000) { |
|
48 |
return; |
|
49 |
} |
|
50 |
|
|
51 |
if (!defined('RANDOM_COMPAT_READ_BUFFER')) { |
|
52 |
define('RANDOM_COMPAT_READ_BUFFER', 8); |
|
53 |
} |
|
54 |
|
|
55 |
$RandomCompatDIR = dirname(__FILE__); |
|
56 |
|
|
57 |
require_once $RandomCompatDIR . '/byte_safe_strings.php'; |
|
58 |
require_once $RandomCompatDIR . '/cast_to_int.php'; |
|
59 |
require_once $RandomCompatDIR . '/error_polyfill.php'; |
|
60 |
|
|
61 |
if (!is_callable('random_bytes')) { |
|
62 |
/** |
|
63 |
* PHP 5.2.0 - 5.6.x way to implement random_bytes() |
|
64 |
* |
|
65 |
* We use conditional statements here to define the function in accordance |
|
66 |
* to the operating environment. It's a micro-optimization. |
|
67 |
* |
|
68 |
* In order of preference: |
|
69 |
* 1. Use libsodium if available. |
|
70 |
* 2. fread() /dev/urandom if available (never on Windows) |
|
71 |
* 3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM) |
|
72 |
* 4. COM('CAPICOM.Utilities.1')->GetRandom() |
|
73 |
* |
|
74 |
* See RATIONALE.md for our reasoning behind this particular order |
|
75 |
*/ |
|
76 |
if (extension_loaded('libsodium')) { |
|
77 |
// See random_bytes_libsodium.php |
|
78 |
if (PHP_VERSION_ID >= 50300 && is_callable('\\Sodium\\randombytes_buf')) { |
|
79 |
require_once $RandomCompatDIR . '/random_bytes_libsodium.php'; |
|
80 |
} elseif (method_exists('Sodium', 'randombytes_buf')) { |
|
81 |
require_once $RandomCompatDIR . '/random_bytes_libsodium_legacy.php'; |
|
82 |
} |
|
83 |
} |
|
84 |
|
|
85 |
/** |
|
86 |
* Reading directly from /dev/urandom: |
|
87 |
*/ |
|
88 |
if (DIRECTORY_SEPARATOR === '/') { |
|
89 |
// DIRECTORY_SEPARATOR === '/' on Unix-like OSes -- this is a fast |
|
90 |
// way to exclude Windows. |
|
91 |
$RandomCompatUrandom = true; |
|
92 |
$RandomCompat_basedir = ini_get('open_basedir'); |
|
93 |
|
|
94 |
if (!empty($RandomCompat_basedir)) { |
|
95 |
$RandomCompat_open_basedir = explode( |
|
96 |
PATH_SEPARATOR, |
|
97 |
strtolower($RandomCompat_basedir) |
|
98 |
); |
|
99 |
$RandomCompatUrandom = (array() !== array_intersect( |
|
100 |
array('/dev', '/dev/', '/dev/urandom'), |
|
101 |
$RandomCompat_open_basedir |
|
102 |
)); |
|
103 |
$RandomCompat_open_basedir = null; |
|
104 |
} |
|
105 |
|
|
106 |
if ( |
|
107 |
!is_callable('random_bytes') |
|
108 |
&& |
|
109 |
$RandomCompatUrandom |
|
110 |
&& |
|
111 |
@is_readable('/dev/urandom') |
|
112 |
) { |
|
113 |
// Error suppression on is_readable() in case of an open_basedir |
|
114 |
// or safe_mode failure. All we care about is whether or not we |
|
115 |
// can read it at this point. If the PHP environment is going to |
|
116 |
// panic over trying to see if the file can be read in the first |
|
117 |
// place, that is not helpful to us here. |
|
118 |
|
|
119 |
// See random_bytes_dev_urandom.php |
|
120 |
require_once $RandomCompatDIR . '/random_bytes_dev_urandom.php'; |
|
121 |
} |
|
122 |
// Unset variables after use |
|
123 |
$RandomCompat_basedir = null; |
|
124 |
} else { |
|
125 |
$RandomCompatUrandom = false; |
|
126 |
} |
|
127 |
|
|
128 |
/** |
|
129 |
* mcrypt_create_iv() |
|
130 |
* |
|
131 |
* We only want to use mcypt_create_iv() if: |
|
132 |
* |
|
133 |
* - random_bytes() hasn't already been defined |
|
134 |
* - the mcrypt extensions is loaded |
|
135 |
* - One of these two conditions is true: |
|
136 |
* - We're on Windows (DIRECTORY_SEPARATOR !== '/') |
|
137 |
* - We're not on Windows and /dev/urandom is readabale |
|
138 |
* (i.e. we're not in a chroot jail) |
|
139 |
* - Special case: |
|
140 |
* - If we're not on Windows, but the PHP version is between |
|
141 |
* 5.6.10 and 5.6.12, we don't want to use mcrypt. It will |
|
142 |
* hang indefinitely. This is bad. |
|
143 |
* - If we're on Windows, we want to use PHP >= 5.3.7 or else |
|
144 |
* we get insufficient entropy errors. |
|
145 |
*/ |
|
146 |
if ( |
|
147 |
!is_callable('random_bytes') |
|
148 |
&& |
|
149 |
// Windows on PHP < 5.3.7 is broken, but non-Windows is not known to be. |
|
150 |
(DIRECTORY_SEPARATOR === '/' || PHP_VERSION_ID >= 50307) |
|
151 |
&& |
|
152 |
// Prevent this code from hanging indefinitely on non-Windows; |
|
153 |
// see https://bugs.php.net/bug.php?id=69833 |
|
154 |
( |
|
155 |
DIRECTORY_SEPARATOR !== '/' || |
|
156 |
(PHP_VERSION_ID <= 50609 || PHP_VERSION_ID >= 50613) |
|
157 |
) |
|
158 |
&& |
|
159 |
extension_loaded('mcrypt') |
|
160 |
) { |
|
161 |
// See random_bytes_mcrypt.php |
|
162 |
require_once $RandomCompatDIR . '/random_bytes_mcrypt.php'; |
|
163 |
} |
|
164 |
$RandomCompatUrandom = null; |
|
165 |
|
|
166 |
/** |
|
167 |
* This is a Windows-specific fallback, for when the mcrypt extension |
|
168 |
* isn't loaded. |
|
169 |
*/ |
|
170 |
if ( |
|
171 |
!is_callable('random_bytes') |
|
172 |
&& |
|
173 |
extension_loaded('com_dotnet') |
|
174 |
&& |
|
175 |
class_exists('COM') |
|
176 |
) { |
|
177 |
$RandomCompat_disabled_classes = preg_split( |
|
178 |
'#\s*,\s*#', |
|
179 |
strtolower(ini_get('disable_classes')) |
|
180 |
); |
|
181 |
|
|
182 |
if (!in_array('com', $RandomCompat_disabled_classes)) { |
|
183 |
try { |
|
184 |
$RandomCompatCOMtest = new COM('CAPICOM.Utilities.1'); |
|
185 |
if (method_exists($RandomCompatCOMtest, 'GetRandom')) { |
|
186 |
// See random_bytes_com_dotnet.php |
|
187 |
require_once $RandomCompatDIR . '/random_bytes_com_dotnet.php'; |
|
188 |
} |
|
189 |
} catch (com_exception $e) { |
|
190 |
// Don't try to use it. |
|
191 |
} |
|
192 |
} |
|
193 |
$RandomCompat_disabled_classes = null; |
|
194 |
$RandomCompatCOMtest = null; |
|
195 |
} |
|
196 |
|
|
197 |
/** |
|
198 |
* throw new Exception |
|
199 |
*/ |
|
200 |
if (!is_callable('random_bytes')) { |
|
201 |
/** |
|
202 |
* We don't have any more options, so let's throw an exception right now |
|
203 |
* and hope the developer won't let it fail silently. |
|
204 |
* |
|
205 |
* @param mixed $length |
|
206 |
* @return void |
|
207 |
* @throws Exception |
|
208 |
*/ |
|
209 |
function random_bytes($length) |
|
210 |
{ |
|
211 |
unset($length); // Suppress "variable not used" warnings. |
|
212 |
throw new Exception( |
|
213 |
'There is no suitable CSPRNG installed on your system' |
|
214 |
); |
|
215 |
} |
|
216 |
} |
|
217 |
} |
|
218 |
|
|
219 |
if (!is_callable('random_int')) { |
|
220 |
require_once $RandomCompatDIR . '/random_int.php'; |
|
221 |
} |
|
222 |
|
|
223 |
$RandomCompatDIR = null; |
|
0 | 224 |
branches/main/include/Paragonie/random_bytes_com_dotnet.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!is_callable('random_bytes')) { |
|
30 |
/** |
|
31 |
* Windows with PHP < 5.3.0 will not have the function |
|
32 |
* openssl_random_pseudo_bytes() available, so let's use |
|
33 |
* CAPICOM to work around this deficiency. |
|
34 |
* |
|
35 |
* @param int $bytes |
|
36 |
* |
|
37 |
* @throws Exception |
|
38 |
* |
|
39 |
* @return string |
|
40 |
*/ |
|
41 |
function random_bytes($bytes) |
|
42 |
{ |
|
43 |
try { |
|
44 |
$bytes = RandomCompat_intval($bytes); |
|
45 |
} catch (TypeError $ex) { |
|
46 |
throw new TypeError( |
|
47 |
'random_bytes(): $bytes must be an integer' |
|
48 |
); |
|
49 |
} |
|
50 |
|
|
51 |
if ($bytes < 1) { |
|
52 |
throw new Error( |
|
53 |
'Length must be greater than 0' |
|
54 |
); |
|
55 |
} |
|
56 |
|
|
57 |
$buf = ''; |
|
58 |
if (!class_exists('COM')) { |
|
59 |
throw new Error( |
|
60 |
'COM does not exist' |
|
61 |
); |
|
62 |
} |
|
63 |
$util = new COM('CAPICOM.Utilities.1'); |
|
64 |
$execCount = 0; |
|
65 |
|
|
66 |
/** |
|
67 |
* Let's not let it loop forever. If we run N times and fail to |
|
68 |
* get N bytes of random data, then CAPICOM has failed us. |
|
69 |
*/ |
|
70 |
do { |
|
71 |
$buf .= base64_decode($util->GetRandom($bytes, 0)); |
|
72 |
if (RandomCompat_strlen($buf) >= $bytes) { |
|
73 |
/** |
|
74 |
* Return our random entropy buffer here: |
|
75 |
*/ |
|
76 |
return RandomCompat_substr($buf, 0, $bytes); |
|
77 |
} |
|
78 |
++$execCount; |
|
79 |
} while ($execCount < $bytes); |
|
80 |
|
|
81 |
/** |
|
82 |
* If we reach here, PHP has failed us. |
|
83 |
*/ |
|
84 |
throw new Exception( |
|
85 |
'Could not gather sufficient random data' |
|
86 |
); |
|
87 |
} |
|
88 |
} |
|
0 | 89 |
branches/main/include/Paragonie/random_bytes_dev_urandom.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!defined('RANDOM_COMPAT_READ_BUFFER')) { |
|
30 |
define('RANDOM_COMPAT_READ_BUFFER', 8); |
|
31 |
} |
|
32 |
|
|
33 |
if (!is_callable('random_bytes')) { |
|
34 |
/** |
|
35 |
* Unless open_basedir is enabled, use /dev/urandom for |
|
36 |
* random numbers in accordance with best practices |
|
37 |
* |
|
38 |
* Why we use /dev/urandom and not /dev/random |
|
39 |
* @ref http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers |
|
40 |
* |
|
41 |
* @param int $bytes |
|
42 |
* |
|
43 |
* @throws Exception |
|
44 |
* |
|
45 |
* @return string |
|
46 |
*/ |
|
47 |
function random_bytes($bytes) |
|
48 |
{ |
|
49 |
static $fp = null; |
|
50 |
/** |
|
51 |
* This block should only be run once |
|
52 |
*/ |
|
53 |
if (empty($fp)) { |
|
54 |
/** |
|
55 |
* We use /dev/urandom if it is a char device. |
|
56 |
* We never fall back to /dev/random |
|
57 |
*/ |
|
58 |
$fp = fopen('/dev/urandom', 'rb'); |
|
59 |
if (!empty($fp)) { |
|
60 |
$st = fstat($fp); |
|
61 |
if (($st['mode'] & 0170000) !== 020000) { |
|
62 |
fclose($fp); |
|
63 |
$fp = false; |
|
64 |
} |
|
65 |
} |
|
66 |
|
|
67 |
if (!empty($fp)) { |
|
68 |
/** |
|
69 |
* stream_set_read_buffer() does not exist in HHVM |
|
70 |
* |
|
71 |
* If we don't set the stream's read buffer to 0, PHP will |
|
72 |
* internally buffer 8192 bytes, which can waste entropy |
|
73 |
* |
|
74 |
* stream_set_read_buffer returns 0 on success |
|
75 |
*/ |
|
76 |
if (is_callable('stream_set_read_buffer')) { |
|
77 |
stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER); |
|
78 |
} |
|
79 |
if (is_callable('stream_set_chunk_size')) { |
|
80 |
stream_set_chunk_size($fp, RANDOM_COMPAT_READ_BUFFER); |
|
81 |
} |
|
82 |
} |
|
83 |
} |
|
84 |
|
|
85 |
try { |
|
86 |
$bytes = RandomCompat_intval($bytes); |
|
87 |
} catch (TypeError $ex) { |
|
88 |
throw new TypeError( |
|
89 |
'random_bytes(): $bytes must be an integer' |
|
90 |
); |
|
91 |
} |
|
92 |
|
|
93 |
if ($bytes < 1) { |
|
94 |
throw new Error( |
|
95 |
'Length must be greater than 0' |
|
96 |
); |
|
97 |
} |
|
98 |
|
|
99 |
/** |
|
100 |
* This if() block only runs if we managed to open a file handle |
|
101 |
* |
|
102 |
* It does not belong in an else {} block, because the above |
|
103 |
* if (empty($fp)) line is logic that should only be run once per |
|
104 |
* page load. |
|
105 |
*/ |
|
106 |
if (!empty($fp)) { |
|
107 |
/** |
|
108 |
* @var int |
|
109 |
*/ |
|
110 |
$remaining = $bytes; |
|
111 |
|
|
112 |
/** |
|
113 |
* @var string|bool |
|
114 |
*/ |
|
115 |
$buf = ''; |
|
116 |
|
|
117 |
/** |
|
118 |
* We use fread() in a loop to protect against partial reads |
|
119 |
*/ |
|
120 |
do { |
|
121 |
/** |
|
122 |
* @var string|bool |
|
123 |
*/ |
|
124 |
$read = fread($fp, $remaining); |
|
125 |
if (!is_string($read)) { |
|
126 |
if ($read === false) { |
|
127 |
/** |
|
128 |
* We cannot safely read from the file. Exit the |
|
129 |
* do-while loop and trigger the exception condition |
|
130 |
* |
|
131 |
* @var string|bool |
|
132 |
*/ |
|
133 |
$buf = false; |
|
134 |
break; |
|
135 |
} |
|
136 |
} |
|
137 |
/** |
|
138 |
* Decrease the number of bytes returned from remaining |
|
139 |
*/ |
|
140 |
$remaining -= RandomCompat_strlen($read); |
|
141 |
/** |
|
142 |
* @var string|bool |
|
143 |
*/ |
|
144 |
$buf = $buf . $read; |
|
145 |
} while ($remaining > 0); |
|
146 |
|
|
147 |
/** |
|
148 |
* Is our result valid? |
|
149 |
*/ |
|
150 |
if (is_string($buf)) { |
|
151 |
if (RandomCompat_strlen($buf) === $bytes) { |
|
152 |
/** |
|
153 |
* Return our random entropy buffer here: |
|
154 |
*/ |
|
155 |
return $buf; |
|
156 |
} |
|
157 |
} |
|
158 |
} |
|
159 |
|
|
160 |
/** |
|
161 |
* If we reach here, PHP has failed us. |
|
162 |
*/ |
|
163 |
throw new Exception( |
|
164 |
'Error reading from source device' |
|
165 |
); |
|
166 |
} |
|
167 |
} |
|
0 | 168 |
branches/main/include/Paragonie/random_bytes_libsodium.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!is_callable('random_bytes')) { |
|
30 |
/** |
|
31 |
* If the libsodium PHP extension is loaded, we'll use it above any other |
|
32 |
* solution. |
|
33 |
* |
|
34 |
* libsodium-php project: |
|
35 |
* @ref https://github.com/jedisct1/libsodium-php |
|
36 |
* |
|
37 |
* @param int $bytes |
|
38 |
* |
|
39 |
* @throws Exception |
|
40 |
* |
|
41 |
* @return string |
|
42 |
*/ |
|
43 |
function random_bytes($bytes) |
|
44 |
{ |
|
45 |
try { |
|
46 |
$bytes = RandomCompat_intval($bytes); |
|
47 |
} catch (TypeError $ex) { |
|
48 |
throw new TypeError( |
|
49 |
'random_bytes(): $bytes must be an integer' |
|
50 |
); |
|
51 |
} |
|
52 |
|
|
53 |
if ($bytes < 1) { |
|
54 |
throw new Error( |
|
55 |
'Length must be greater than 0' |
|
56 |
); |
|
57 |
} |
|
58 |
|
|
59 |
/** |
|
60 |
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be |
|
61 |
* generated in one invocation. |
|
62 |
*/ |
|
63 |
if ($bytes > 2147483647) { |
|
64 |
$buf = ''; |
|
65 |
for ($i = 0; $i < $bytes; $i += 1073741824) { |
|
66 |
$n = ($bytes - $i) > 1073741824 |
|
67 |
? 1073741824 |
|
68 |
: $bytes - $i; |
|
69 |
$buf .= \Sodium\randombytes_buf($n); |
|
70 |
} |
|
71 |
} else { |
|
72 |
$buf = \Sodium\randombytes_buf($bytes); |
|
73 |
} |
|
74 |
|
|
75 |
if ($buf !== false) { |
|
76 |
if (RandomCompat_strlen($buf) === $bytes) { |
|
77 |
return $buf; |
|
78 |
} |
|
79 |
} |
|
80 |
|
|
81 |
/** |
|
82 |
* If we reach here, PHP has failed us. |
|
83 |
*/ |
|
84 |
throw new Exception( |
|
85 |
'Could not gather sufficient random data' |
|
86 |
); |
|
87 |
} |
|
88 |
} |
|
0 | 89 |
branches/main/include/Paragonie/random_bytes_libsodium_legacy.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!is_callable('random_bytes')) { |
|
30 |
/** |
|
31 |
* If the libsodium PHP extension is loaded, we'll use it above any other |
|
32 |
* solution. |
|
33 |
* |
|
34 |
* libsodium-php project: |
|
35 |
* @ref https://github.com/jedisct1/libsodium-php |
|
36 |
* |
|
37 |
* @param int $bytes |
|
38 |
* |
|
39 |
* @throws Exception |
|
40 |
* |
|
41 |
* @return string |
|
42 |
*/ |
|
43 |
function random_bytes($bytes) |
|
44 |
{ |
|
45 |
try { |
|
46 |
$bytes = RandomCompat_intval($bytes); |
|
47 |
} catch (TypeError $ex) { |
|
48 |
throw new TypeError( |
|
49 |
'random_bytes(): $bytes must be an integer' |
|
50 |
); |
|
51 |
} |
|
52 |
|
|
53 |
if ($bytes < 1) { |
|
54 |
throw new Error( |
|
55 |
'Length must be greater than 0' |
|
56 |
); |
|
57 |
} |
|
58 |
|
|
59 |
/** |
|
60 |
* @var string |
|
61 |
*/ |
|
62 |
$buf = ''; |
|
63 |
|
|
64 |
/** |
|
65 |
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be |
|
66 |
* generated in one invocation. |
|
67 |
*/ |
|
68 |
if ($bytes > 2147483647) { |
|
69 |
for ($i = 0; $i < $bytes; $i += 1073741824) { |
|
70 |
$n = ($bytes - $i) > 1073741824 |
|
71 |
? 1073741824 |
|
72 |
: $bytes - $i; |
|
73 |
$buf .= Sodium::randombytes_buf((int) $n); |
|
74 |
} |
|
75 |
} else { |
|
76 |
$buf .= Sodium::randombytes_buf((int) $bytes); |
|
77 |
} |
|
78 |
|
|
79 |
if (is_string($buf)) { |
|
80 |
if (RandomCompat_strlen($buf) === $bytes) { |
|
81 |
return $buf; |
|
82 |
} |
|
83 |
} |
|
84 |
|
|
85 |
/** |
|
86 |
* If we reach here, PHP has failed us. |
|
87 |
*/ |
|
88 |
throw new Exception( |
|
89 |
'Could not gather sufficient random data' |
|
90 |
); |
|
91 |
} |
|
92 |
} |
|
0 | 93 |
branches/main/include/Paragonie/random_bytes_mcrypt.php | ||
---|---|---|
1 |
<?php |
|
2 |
/** |
|
3 |
* Random_* Compatibility Library |
|
4 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
5 |
* |
|
6 |
* The MIT License (MIT) |
|
7 |
* |
|
8 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
9 |
* |
|
10 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
11 |
* of this software and associated documentation files (the "Software"), to deal |
|
12 |
* in the Software without restriction, including without limitation the rights |
|
13 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
14 |
* copies of the Software, and to permit persons to whom the Software is |
|
15 |
* furnished to do so, subject to the following conditions: |
|
16 |
* |
|
17 |
* The above copyright notice and this permission notice shall be included in |
|
18 |
* all copies or substantial portions of the Software. |
|
19 |
* |
|
20 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
21 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
23 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
24 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
25 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
26 |
* SOFTWARE. |
|
27 |
*/ |
|
28 |
|
|
29 |
if (!is_callable('random_bytes')) { |
|
30 |
/** |
|
31 |
* Powered by ext/mcrypt (and thankfully NOT libmcrypt) |
|
32 |
* |
|
33 |
* @ref https://bugs.php.net/bug.php?id=55169 |
|
34 |
* @ref https://github.com/php/php-src/blob/c568ffe5171d942161fc8dda066bce844bdef676/ext/mcrypt/mcrypt.c#L1321-L1386 |
|
35 |
* |
|
36 |
* @param int $bytes |
|
37 |
* |
|
38 |
* @throws Exception |
|
39 |
* |
|
40 |
* @return string |
|
41 |
*/ |
|
42 |
function random_bytes($bytes) |
|
43 |
{ |
|
44 |
try { |
|
45 |
$bytes = RandomCompat_intval($bytes); |
|
46 |
} catch (TypeError $ex) { |
|
47 |
throw new TypeError( |
|
48 |
'random_bytes(): $bytes must be an integer' |
|
49 |
); |
|
50 |
} |
|
51 |
|
|
52 |
if ($bytes < 1) { |
|
53 |
throw new Error( |
|
54 |
'Length must be greater than 0' |
|
55 |
); |
|
56 |
} |
|
57 |
|
|
58 |
$buf = @mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM); |
|
59 |
if ( |
|
60 |
$buf !== false |
|
61 |
&& |
|
62 |
RandomCompat_strlen($buf) === $bytes |
|
63 |
) { |
|
64 |
/** |
|
65 |
* Return our random entropy buffer here: |
|
66 |
*/ |
|
67 |
return $buf; |
|
68 |
} |
|
69 |
|
|
70 |
/** |
|
71 |
* If we reach here, PHP has failed us. |
|
72 |
*/ |
|
73 |
throw new Exception( |
|
74 |
'Could not gather sufficient random data' |
|
75 |
); |
|
76 |
} |
|
77 |
} |
|
0 | 78 |
branches/main/include/Paragonie/random_int.php | ||
---|---|---|
1 |
<?php |
|
2 |
|
|
3 |
if (!is_callable('random_int')) { |
|
4 |
/** |
|
5 |
* Random_* Compatibility Library |
|
6 |
* for using the new PHP 7 random_* API in PHP 5 projects |
|
7 |
* |
|
8 |
* The MIT License (MIT) |
|
9 |
* |
|
10 |
* Copyright (c) 2015 - 2017 Paragon Initiative Enterprises |
|
11 |
* |
|
12 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
13 |
* of this software and associated documentation files (the "Software"), to deal |
|
14 |
* in the Software without restriction, including without limitation the rights |
|
15 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
16 |
* copies of the Software, and to permit persons to whom the Software is |
|
17 |
* furnished to do so, subject to the following conditions: |
|
18 |
* |
|
19 |
* The above copyright notice and this permission notice shall be included in |
|
20 |
* all copies or substantial portions of the Software. |
|
21 |
* |
|
22 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
23 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
24 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
|
25 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
26 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
27 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
|
28 |
* SOFTWARE. |
|
29 |
*/ |
|
30 |
|
|
31 |
/** |
|
32 |
* Fetch a random integer between $min and $max inclusive |
|
33 |
* |
|
34 |
* @param int $min |
|
35 |
* @param int $max |
|
36 |
* |
|
37 |
* @throws Exception |
|
38 |
* |
|
39 |
* @return int |
|
40 |
*/ |
|
41 |
function random_int($min, $max) |
|
42 |
{ |
|
43 |
/** |
|
44 |
* Type and input logic checks |
|
45 |
* |
|
46 |
* If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX) |
|
47 |
* (non-inclusive), it will sanely cast it to an int. If you it's equal to |
|
48 |
* ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats |
|
49 |
* lose precision, so the <= and => operators might accidentally let a float |
|
50 |
* through. |
|
51 |
*/ |
|
52 |
|
|
53 |
try { |
|
54 |
$min = RandomCompat_intval($min); |
|
55 |
} catch (TypeError $ex) { |
|
56 |
throw new TypeError( |
|
57 |
'random_int(): $min must be an integer' |
|
58 |
); |
|
59 |
} |
|
60 |
|
|
61 |
try { |
|
62 |
$max = RandomCompat_intval($max); |
|
63 |
} catch (TypeError $ex) { |
|
64 |
throw new TypeError( |
|
65 |
'random_int(): $max must be an integer' |
|
66 |
); |
|
67 |
} |
|
68 |
|
|
69 |
/** |
|
70 |
* Now that we've verified our weak typing system has given us an integer, |
|
71 |
* let's validate the logic then we can move forward with generating random |
|
72 |
* integers along a given range. |
|
73 |
*/ |
|
74 |
if ($min > $max) { |
|
75 |
throw new Error( |
|
76 |
'Minimum value must be less than or equal to the maximum value' |
|
77 |
); |
|
78 |
} |
|
79 |
|
|
80 |
if ($max === $min) { |
|
81 |
return (int) $min; |
|
82 |
} |
|
83 |
|
|
84 |
/** |
|
85 |
* Initialize variables to 0 |
|
86 |
* |
|
87 |
* We want to store: |
|
88 |
* $bytes => the number of random bytes we need |
|
89 |
* $mask => an integer bitmask (for use with the &) operator |
|
90 |
* so we can minimize the number of discards |
|
91 |
*/ |
|
92 |
$attempts = $bits = $bytes = $mask = $valueShift = 0; |
|
93 |
|
|
94 |
/** |
|
95 |
* At this point, $range is a positive number greater than 0. It might |
|
96 |
* overflow, however, if $max - $min > PHP_INT_MAX. PHP will cast it to |
|
97 |
* a float and we will lose some precision. |
|
98 |
*/ |
|
99 |
$range = $max - $min; |
|
100 |
|
|
101 |
/** |
|
102 |
* Test for integer overflow: |
|
103 |
*/ |
|
104 |
if (!is_int($range)) { |
|
105 |
|
|
106 |
/** |
|
107 |
* Still safely calculate wider ranges. |
|
108 |
* Provided by @CodesInChaos, @oittaa |
|
109 |
* |
|
110 |
* @ref https://gist.github.com/CodesInChaos/03f9ea0b58e8b2b8d435 |
|
111 |
* |
|
112 |
* We use ~0 as a mask in this case because it generates all 1s |
|
113 |
* |
|
114 |
* @ref https://eval.in/400356 (32-bit) |
|
115 |
* @ref http://3v4l.org/XX9r5 (64-bit) |
|
116 |
*/ |
|
117 |
$bytes = PHP_INT_SIZE; |
|
118 |
$mask = ~0; |
|
119 |
|
|
120 |
} else { |
|
121 |
|
|
122 |
/** |
|
123 |
* $bits is effectively ceil(log($range, 2)) without dealing with |
|
124 |
* type juggling |
|
125 |
*/ |
|
126 |
while ($range > 0) { |
|
127 |
if ($bits % 8 === 0) { |
|
128 |
++$bytes; |
|
129 |
} |
|
130 |
++$bits; |
|
131 |
$range >>= 1; |
|
132 |
$mask = $mask << 1 | 1; |
|
133 |
} |
|
134 |
$valueShift = $min; |
|
135 |
} |
|
136 |
|
|
137 |
$val = 0; |
|
138 |
/** |
|
139 |
* Now that we have our parameters set up, let's begin generating |
|
140 |
* random integers until one falls between $min and $max |
|
141 |
*/ |
|
142 |
do { |
|
143 |
/** |
|
144 |
* The rejection probability is at most 0.5, so this corresponds |
|
145 |
* to a failure probability of 2^-128 for a working RNG |
|
146 |
*/ |
|
147 |
if ($attempts > 128) { |
|
148 |
throw new Exception( |
|
149 |
'random_int: RNG is broken - too many rejections' |
|
150 |
); |
|
151 |
} |
|
152 |
|
|
153 |
/** |
|
154 |
* Let's grab the necessary number of random bytes |
|
155 |
*/ |
|
156 |
$randomByteString = random_bytes($bytes); |
|
157 |
|
|
158 |
/** |
|
159 |
* Let's turn $randomByteString into an integer |
|
160 |
* |
|
161 |
* This uses bitwise operators (<< and |) to build an integer |
|
162 |
* out of the values extracted from ord() |
|
163 |
* |
|
164 |
* Example: [9F] | [6D] | [32] | [0C] => |
|
165 |
* 159 + 27904 + 3276800 + 201326592 => |
|
166 |
* 204631455 |
|
167 |
*/ |
|
168 |
$val &= 0; |
|
169 |
for ($i = 0; $i < $bytes; ++$i) { |
|
170 |
$val |= ord($randomByteString[$i]) << ($i * 8); |
|
171 |
} |
|
172 |
|
|
173 |
/** |
|
174 |
* Apply mask |
|
175 |
*/ |
|
176 |
$val &= $mask; |
|
177 |
$val += $valueShift; |
|
178 |
|
|
179 |
++$attempts; |
|
180 |
/** |
|
181 |
* If $val overflows to a floating point number, |
|
182 |
* ... or is larger than $max, |
|
183 |
* ... or smaller than $min, |
|
184 |
* then try again. |
|
185 |
*/ |
|
186 |
} while (!is_int($val) || $val > $max || $val < $min); |
|
187 |
|
|
188 |
return (int) $val; |
|
189 |
} |
|
190 |
} |
|
0 | 191 |
Also available in: Unified diff
added 3th party random_int PHP5 compatibility layer