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Update v1.0.6

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Bhanu Slathia
2016-02-16 23:24:52 +05:30
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### Version 1.2.0 - 2015-02-05
* Whitespace and other cosmetic changes
* Added a changelog.
* We now ship with a command line utility to build a PHP Archive from the
command line.
Every time we publish a new release, we will also upload a .phar
to Github. Our public key is signed by our GPG key.
### Version 1.1.6 - 2015-01-29
* Eliminate `open_basedir` warnings by detecting this configuration setting.
(Thanks [@oucil](https://github.com/oucil) for reporting this.)
* Added install instructions to the README.
* Documentation cleanup (there is, in fact, no `MCRYPT_CREATE_IV` constant, I
meant to write `MCRYPT_DEV_URANDOM`)
### Version 1.1.5 - 2016-01-06
Prevent fatal errors on platforms with older versions of libsodium.
### Version 1.1.4 - 2015-12-10
Thanks [@narfbg](https://github.com/narfbg) for [critiquing the previous patch](https://github.com/paragonie/random_compat/issues/79#issuecomment-163590589)
and suggesting a fix.
### Version 1.1.3 - 2015-12-09
The test for COM in disabled_classes is now case-insensitive.
### Version 1.1.2 - 2015-12-09
Don't instantiate COM if it's a disabled class. Removes the E_WARNING on Windows.
### Version 1.1.1 - 2015-11-30
Fix a performance issue with `/dev/urandom` buffering.
### Version 1.1.0 - 2015-11-09
Fix performance issues with ancient versions of PHP on Windows, but dropped
support for PHP < 5.4.1 without mcrypt on Windows 7+ in the process. Since this
is a BC break, semver dictates a minor version bump.
### Version 1.0.10 - 2015-10-23
* Avoid a performance killer with OpenSSL on Windows PHP 5.3.0 - 5.3.3 that was
affecting [WordPress users](https://core.trac.wordpress.org/ticket/34409).
* Use `$var = null` instead of `unset($var)` to avoid triggering the garbage
collector and slowing things down.
### Version 1.0.9 - 2015-10-20
There is an outstanding issue `mcrypt_create_iv()` and PHP 7's `random_bytes()`
on Windows reported by [@nicolas-grekas](https://github.com/nicolas-grekas) caused by `proc_open()` and environment
variable handling (discovered by Appveyor when developing Symfony).
Since the break is consistent, it's not our responsibility to fix it, but we
should fail the same way PHP 7 will (i.e. throw an `Exception` rather than raise
an error and then throw an `Exception`).
### Version 1.0.8 - 2015-10-18
* Fix usability issues with Windows (`new COM('CAPICOM.Utilities.1')` is not
always available).
* You can now test all the possible drivers by running `phpunit.sh each` in the
`tests` directory.
### Version 1.0.7 - 2015-10-16
Several large integer handling bugfixes were contributed by [@oittaa](https://github.com/oittaa).
### Version 1.0.6 - 2015-10-15
Don't let the version number fool you, this was a pretty significant change.
1. Added support for ext-libsodium, if it exists on the system. This is morally
equivalent to adding `getrandom(2)` support without having to expose the
syscall interface in PHP-land.
2. Relaxed open_basedir restrictions. In previous versions, if open_basedir was
set, PHP wouldn't even try to read from `/dev/urandom`. Now it will still do
so if you can.
3. Fixed integer casting inconsistencies between random_compat and PHP 7.
4. Handle edge cases where an integer overflow turns one of the parameters into
a float.
One change that we discussed was making `random_bytes()` and `random_int()`
strict typed; meaning you could *only* pass integers to either function. While
most veteran programmers are probably only doing this already (we strongly
encourage it), it wouldn't be consistent with how these functions behave in PHP
7. Please use these functions responsibly.
We've had even more of the PHP community involved in this release; the
contributors list has been updated. If I forgot anybody, I promise you it's not
because your contributions (either code or ideas) aren't valued, it's because
I'm a bit overloaded with information at the moment. Please let me know
immediately and I will correct my oversight.
Thanks everyone for helping make random_compat better.
### Version 1.0.5 - 2015-10-08
Got rid of the methods in the `Throwable` interface, which was causing problems
on PHP 5.2. While we would normally not care about 5.2 (since [5.4 and earlier are EOL'd](https://secure.php.net/supported-versions.php)),
we do want to encourage widespread adoption (e.g. [Wordpress](https://core.trac.wordpress.org/ticket/28633)).
### Version 1.0.4 - 2015-10-02
Removed redundant `if()` checks, since `lib/random.php` is the entrypoint people
should use.
### Version 1.0.3 - 2015-10-02
This release contains bug fixes contributed by the community.
* Avoid a PHP Notice when PHP is running without the mbstring extension
* Use a compatible version of PHPUnit for testing on older versions of PHP
Although none of these bugs were outright security-affecting, updating ASAP is
still strongly encouraged.
### Version 1.0.2 - 2015-09-23
Less strict input validation on `random_int()` parameters. PHP 7's `random_int()`
accepts strings and floats that look like numbers, so we should too.
Thanks [@dd32](https://github.com/@dd32) for correcting this oversight.
### Version 1.0.1 - 2015-09-10
Instead of throwing an Exception immediately on insecure platforms, only do so
when `random_bytes()` is invoked.
### Version 1.0.0 - 2015-09-07
Our API is now stable and forward-compatible with the CSPRNG features in PHP 7
(as of 7.0.0 RC3).
A lot of great people have contributed their time and expertise to make this
compatibility library possible. That this library has reached a stable release
is more a reflection on the community than it is on PIE.
We are confident that random_compat will serve as the simplest and most secure
CSPRNG interface available for PHP5 projects.
### Version 0.9.7 (pre-release) - 2015-09-01
An attempt to achieve compatibility with Error/TypeError in the RFC.
This should be identical to 1.0.0 sans any last-minute changes or performance enhancements.
### Version 0.9.6 (pre-release) - 2015-08-06
* Split the implementations into their own file (for ease of auditing)
* Corrected the file type check after `/dev/urandom` has been opened (thanks
[@narfbg](https://github.com/narfbg) and [@jedisct1](https://github.com/jedisct1))
### Version 0.9.5 (pre-release) - 2015-07-31
* Validate that `/dev/urandom` is a character device
* Reported by [@lokdnet](https://twitter.com/lokdnet)
* Investigated by [@narfbg](https://github.com/narfbg) and [frymaster](http://stackoverflow.com/users/1226810/frymaster) on [StackOverflow](http://stackoverflow.com/q/31631066/2224584)
* Remove support for `/dev/arandom` which is an old OpenBSD feature, thanks [@jedisct1](https://github.com/jedisct1)
* Prevent race conditions on the `filetype()` check, thanks [@jedisct1](https://github.com/jedisct1)
* Buffer file reads to 8 bytes (performance optimization; PHP defaults to 8192 bytes)
### Version 0.9.4 (pre-release) - 2015-07-27
* Add logic to verify that `/dev/arandom` and `/dev/urandom` are actually devices.
* Some clean-up in the comments
### Version 0.9.3 (pre-release) - 2015-07-22
Unless the Exceptions change to PHP 7 fails, this should be the last pre-release
version. If need be, we'll make one more pre-release version with compatible
behavior.
Changes since 0.9.2:
* Prioritize `/dev/arandom` and `/dev/urandom` over mcrypt.
[@oittaa](https://github.com/oittaa) removed the -1 and +1 juggling on `$range` calculations for `random_int()`
* Whitespace and comment clean-up, plus better variable names
* Actually put a description in the composer.json file...
### Version 0.9.2 (pre-release) - 2015-07-16
* Consolidated `$range > PHP_INT_MAX` logic with `$range <= PHP_INT_MAX` (thanks
[@oittaa](https://github.com/oittaa) and [@CodesInChaos](https://github.com/CodesInChaos))
* `tests/phpunit.sh` now also runs the tests with `mbstring.func_overload` and
`open_basedir`
* Style consistency, whitespace cleanup, more meaningful variable names
### Version 0.9.1 (pre-release) - 2015-07-09
* Return random values on integer ranges > `PHP_INT_MAX` (thanks [@CodesInChaos](https://github.com/CodesInChaos))
* Determined CSPRNG preference:
1. `mcrypt_create_iv()` with `MCRYPT_DEV_URANDOM`
2. `/dev/arandom`
3. `/dev/urandom`
4. `openssl_random_pseudo_bytes()`
* Optimized backend selection (thanks [@lt](https://github.com/lt))
* Fix #3 (thanks [@scottchiefbaker](https://github.com/scottchiefbaker))
### Version 0.9.0 (pre-release) - 2015-07-07
This should be a sane polyfill for PHP 7's `random_bytes()` and `random_int()`.
We hesitate to call it production ready until it has received sufficient third
party review.

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## Errata (Design Decisions)
### Reasoning Behind the Order of Preferred Random Data Sources
The order is:
1. `libsodium if available`
2. `fread() /dev/urandom if available`
3. `mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM)`
4. `COM('CAPICOM.Utilities.1')->GetRandom()`
5. `openssl_random_pseudo_bytes()`
If libsodium is available, we get random data from it. This is the preferred
method on all OSes, but libsodium is not very widely installed, so other
fallbacks are available.
Next, we read `/dev/urandom` (if it exists). This is the preferred file to read
for random data for cryptographic purposes for BSD and Linux.
Despite [strongly urging people not to use mcrypt in their projects](https://paragonie.com/blog/2015/05/if-you-re-typing-word-mcrypt-into-your-code-you-re-doing-it-wrong),
because libmcrypt is abandonware and the API puts too much responsibility on the
implementor, we prioritize `mcrypt_create_iv()` with `MCRYPT_DEV_URANDOM` above
the remaining implementations.
The reason is simple: `mcrypt_create_iv()` is part of PHP's `ext/mcrypt` code,
and is not part `libmcrypt`. It actually does the right thing:
* On Unix-based operating systems, it reads from `/dev/urandom`, which is the
sane and correct thing to do.
* On Windows, it reads from `CryptGenRandom`, which is an exclusively Windows
way to get random bytes.
If we're on Windows and don't have access to `mcrypt`, we use `CAPICOM.Utilities.1`.
Finally, we use `openssl_random_pseudo_bytes()` **as a last resort**, due to
[PHP bug #70014](https://bugs.php.net/bug.php?id=70014). Internally, this
function calls `RAND_pseudo_bytes()`, which has been [deprecated](https://github.com/paragonie/random_compat/issues/5)
by the OpenSSL team. Furthermore, [it might silently return weak random data](https://github.com/paragonie/random_compat/issues/6#issuecomment-119564973)
if it is called before OpenSSL's **userspace** CSPRNG is seeded. Also,
[you want the OS CSPRNG, not a userspace CSPRNG](http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers/).

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The MIT License (MIT)
Copyright (c) 2015 Paragon Initiative Enterprises
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.

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# random_compat
[![Build Status](https://travis-ci.org/paragonie/random_compat.svg?branch=master)](https://travis-ci.org/paragonie/random_compat)
[![Scrutinizer](https://scrutinizer-ci.com/g/paragonie/random_compat/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/paragonie/random_compat)
PHP 5.x polyfill for `random_bytes()` and `random_int()` created and maintained
by [Paragon Initiative Enterprises](https://paragonie.com).
Although this library *should* function in earlier versions of PHP, we will only
consider issues relevant to [supported PHP versions](https://secure.php.net/supported-versions.php).
**If you are using an unsupported version of PHP, please upgrade as soon as possible.**
## Important
Although this library has been examined by some security experts in the PHP
community, there will always be a chance that we overlooked something. Please
ask your favorite trusted hackers to hammer it for implementation errors and
bugs before even thinking about deploying it in production.
**Do not use the master branch, use a [stable release](https://github.com/paragonie/random_compat/releases/latest).**
For the background of this library, please refer to our blog post on
[Generating Random Integers and Strings in PHP](https://paragonie.com/blog/2015/07/how-safely-generate-random-strings-and-integers-in-php).
### Usability Notice
If PHP cannot safely generate random data, this library will throw an `Exception`.
It will never fall back to insecure random data. If this keeps happening, upgrade
to a newer version of PHP immediately.
## Installing
**With [Composer](https://getcomposer.org):**
composer require paragonie/random_compat
**Signed PHP Archive:**
As of version 1.2.0, we also ship an ECDSA-signed PHP Archive with each stable
release on Github.
1. Download [the `.phar`, `.phar.pubkey`, and `.phar.pubkey.asc`](https://github.com/paragonie/random_compat/releases/latest) files.
2. (**Recommended** but not required) Verify the PGP signature of `.phar.pubkey`
(contained within the `.asc` file) using the [PGP public key for Paragon Initiative Enterprises](https://paragonie.com/static/gpg-public-key.txt).
3. Extract both `.phar` and `.phar.pubkey` files to the same directory.
4. `require_once "/path/to/random_compat.phar";`
5. When a new version is released, you only need to replace the `.phar` file;
the `.pubkey` will not change (unless our signing key is ever compromised).
**Manual Installation:**
1. Download [a stable release](https://github.com/paragonie/random_compat/releases/latest).
2. Extract the files into your project.
3. `require_once "/path/to/random_compat/lib/random.php";`
## Usage
This library exposes the [CSPRNG functions added in PHP 7](https://secure.php.net/manual/en/ref.csprng.php)
for use in PHP 5 projects. Their behavior should be identical.
### Generate a string of random bytes
```php
try {
$string = random_bytes(32);
} catch (TypeError $e) {
// Well, it's an integer, so this IS unexpected.
die("An unexpected error has occurred");
} catch (Error $e) {
// This is also unexpected because 32 is a reasonable integer.
die("An unexpected error has occurred");
} catch (Exception $e) {
// If you get this message, the CSPRNG failed hard.
die("Could not generate a random string. Is our OS secure?");
}
var_dump(bin2hex($string));
// string(64) "5787c41ae124b3b9363b7825104f8bc8cf27c4c3036573e5f0d4a91ad2eeac6f"
```
### Generate a random integer between two given integers (inclusive)
```php
try {
$int = random_int(0,255);
} catch (TypeError $e) {
// Well, it's an integer, so this IS unexpected.
die("An unexpected error has occurred");
} catch (Error $e) {
// This is also unexpected because 0 and 255 are both reasonable integers.
die("An unexpected error has occurred");
} catch (Exception $e) {
// If you get this message, the CSPRNG failed hard.
die("Could not generate a random string. Is our OS secure?");
}
var_dump($int);
// int(47)
```
### Exception handling
When handling exceptions and errors you must account for differences between
PHP 5 and PHP7.
The differences:
* Catching `Error` works, so long as it is caught before `Exception`.
* Catching `Exception` has different behavior, without previously catching `Error`.
* There is *no* portable way to catch all errors/exceptions.
#### Our recommendation
**Always** catch `Error` before `Exception`.
#### Example
```php
try {
return random_int(1, $userInput);
} catch (TypeError $e) {
// This is okay, so long as `Error` is caught before `Exception`.
throw new Exception('Please enter a number!');
} catch (Error $e) {
// This is required, if you do not need to do anything just rethrow.
throw $e;
} catch (Exception $e) {
// This is optional and maybe omitted if you do not want to handle errors
// during generation.
throw new InternalServerErrorException(
'Oops, our server is bust and cannot generate any random data.',
500,
$e
);
}
```
## Contributors
This project would not be anywhere near as excellent as it is today if it
weren't for the contributions of the following individuals:
* [@AndrewCarterUK (Andrew Carter)](https://github.com/AndrewCarterUK)
* [@asgrim (James Titcumb)](https://github.com/asgrim)
* [@bcremer (Benjamin Cremer)](https://github.com/bcremer)
* [@CodesInChaos (Christian Winnerlein)](https://github.com/CodesInChaos)
* [@chriscct7 (Chris Christoff)](https://github.com/chriscct7)
* [@cs278 (Chris Smith)](https://github.com/cs278)
* [@cweagans (Cameron Eagans)](https://github.com/cweagans)
* [@dd32 (Dion Hulse)](https://github.com/dd32)
* [@geggleto (Glenn Eggleton)](https://github.com/geggleto)
* [@ircmaxell (Anthony Ferrara)](https://github.com/ircmaxell)
* [@jedisct1 (Frank Denis)](https://github.com/jedisct1)
* [@juliangut (Julián Gutiérrez)](https://github.com/juliangut)
* [@kelunik (Niklas Keller)](https://github.com/kelunik)
* [@lt (Leigh)](https://github.com/lt)
* [@MasonM (Mason Malone)](https://github.com/MasonM)
* [@mmeyer2k (Michael M)](https://github.com/mmeyer2k)
* [@narfbg (Andrey Andreev)](https://github.com/narfbg)
* [@nicolas-grekas (Nicolas Grekas)](https://github.com/nicolas-grekas)
* [@oittaa](https://github.com/oittaa)
* [@oucil (Kevin Farley)](https://github.com/oucil)
* [@redragonx (Stephen Chavez)](https://github.com/redragonx)
* [@rchouinard (Ryan Chouinard)](https://github.com/rchouinard)
* [@SammyK (Sammy Kaye Powers)](https://github.com/SammyK)
* [@scottchiefbaker (Scott Baker)](https://github.com/scottchiefbaker)
* [@skyosev (Stoyan Kyosev)](https://github.com/skyosev)
* [@stof (Christophe Coevoet)](https://github.com/stof)
* [@teohhanhui (Teoh Han Hui)](https://github.com/teohhanhui)
* [@tom-- (Tom Worster)](https://github.com/tom--)
* [@tsyr2ko](https://github.com/tsyr2ko)
* [@trowski (Aaron Piotrowski)](https://github.com/trowski)
* [@twistor (Chris Lepannen)](https://github.com/twistor)
* [@voku (Lars Moelleken)](https://github.com/voku)
* [@xabbuh (Christian Flothmann)](https://github.com/xabbuh)

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# An Invitation to Security Researchers
Every company says they take security "very seriously." Rather than bore anyone
with banal boilerplate, here are some quick answers followed by detailed
elaboration. If you have any questions about our policies, please email them to
`scott@paragonie.com`.
## Quick Answers
* There is no compulsion to disclose vulnerabilities privately, but we
appreciate a head's up.
* `security@paragonie.com` will get your reports to the right person. Our GPG
fingerprint, should you decide to encrypt your report, is
`7F52 D5C6 1D12 55C7 3136 2E82 6B97 A1C2 8264 04DA`.
* **YES**, we will reward security researchers who disclose vulnerabilities in
our software.
* In most cases, **No Proof-of-Concept Required.**
## How to Report a Security Bug to Paragon Initiative Enterprises
### There is no compulsion to disclose privately.
We believe vulnerability disclosure style is a personal choice and enjoy working
with a diverse community. We understand and appreciate the importance of Full
Disclosure in the history and practice of security research.
We would *like* to know about high-severity bugs before they become public
knowledge, so we can fix them in a timely manner, but **we do not believe in
threatening researchers or trying to enforce vulnerability embargoes**.
Ultimately, if you discover a security-affecting vulnerability, what you do with
it is your choice. We would like to work with people, and to celebrate and
reward their skill, experience, and dedication. We appreciate being informed of
our mistakes so we can learn from them and build a better product. Our goal is
to empower the community.
### Where to Send Security Vulnerabilities
Our security email address is `security@paragonie.com`. Also feel free to open a
new issue on Github if you want to disclose publicly.
```
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Version: GnuPG
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ha+F/SAEJ0jEquM4TfKWWU2S5V5vgPPpIQSYRnhQW4b1
=xJPW
-----END PGP PUBLIC KEY BLOCK-----
```
### We Will Reward Security Researchers
**This process has not been formalized; nor have dollar amounts been
discussed.**
However, if you report a valid security-affecting bug, we will compensate you
for the time spent finding the vulnerability and reward you for being a good
neighbor.
#### What does a "valid" bug mean?
There are two sides to this:
1. Some have spammed projects with invalid bug reports hoping to collect
bounties for pressing a button and running an automated analysis tool. This
is not cool.
2. There is a potential for the developers of a project to declare all security
bug reports as invalid to save money.
Our team members have an established history of reporting vulnerabilities to
large open source projects. **We aren't in the business of ripping people off.**
When in doubt, our policy is to err on the side of generosity.
### No Proof-of-Concept Required
We might ask for one if we feel we do not understand some of the details
pertaining to a specific vulnerability. We certainly appreciate them if you
include them in your report, but we believe **the burden lies with the developer
to prove their software *is* secure** rather than with the researcher to prove
that it isn't.
In our experience, most bugs are simpler to fix than they are to exploit.

35
vendor/paragonie/random_compat/composer.json vendored Normal file
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{
"name": "paragonie/random_compat",
"description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
"keywords": [
"csprng",
"random",
"pseudorandom"
],
"license": "MIT",
"type": "library",
"authors": [
{
"name": "Paragon Initiative Enterprises",
"email": "security@paragonie.com",
"homepage": "https://paragonie.com"
}
],
"support": {
"issues": "https://github.com/paragonie/random_compat/issues",
"email": "info@paragonie.com",
"source": "https://github.com/paragonie/random_compat"
},
"require": {
"php": ">=5.2.0"
},
"require-dev": {
"phpunit/phpunit": "4.*|5.*"
},
"suggest": {
"ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
},
"autoload": {
"files": ["lib/random.php"]
}
}

5
vendor/paragonie/random_compat/dist/random_compat.phar.pubkey vendored Normal file
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-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEEd+wCqJDrx5B4OldM0dQE0ZMX+lx1ZWm
pui0SUqD4G29L3NGsz9UhJ/0HjBdbnkhIK5xviT0X5vtjacF6ajgcCArbTB+ds+p
+h7Q084NuSuIpNb6YPfoUFgC/CL9kAoc
-----END PUBLIC KEY-----

11
vendor/paragonie/random_compat/dist/random_compat.phar.pubkey.asc vendored Normal file
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-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (MingW32)
iQEcBAABAgAGBQJWtW1hAAoJEGuXocKCZATaJf0H+wbZGgskK1dcRTsuVJl9IWip
QwGw/qIKI280SD6/ckoUMxKDCJiFuPR14zmqnS36k7N5UNPnpdTJTS8T11jttSpg
1LCmgpbEIpgaTah+cELDqFCav99fS+bEiAL5lWDAHBTE/XPjGVCqeehyPYref4IW
NDBIEsvnHPHPLsn6X5jq4+Yj5oUixgxaMPiR+bcO4Sh+RzOVB6i2D0upWfRXBFXA
NNnsg9/zjvoC7ZW73y9uSH+dPJTt/Vgfeiv52/v41XliyzbUyLalf02GNPY+9goV
JHG1ulEEBJOCiUD9cE1PUIJwHA/HqyhHIvV350YoEFiHl8iSwm7SiZu5kPjaq74=
=B6+8
-----END PGP SIGNATURE-----

173
vendor/paragonie/random_compat/lib/byte_safe_strings.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
if (!function_exists('RandomCompat_strlen')) {
if (
defined('MB_OVERLOAD_STRING') &&
ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
) {
/**
* strlen() implementation that isn't brittle to mbstring.func_overload
*
* This version uses mb_strlen() in '8bit' mode to treat strings as raw
* binary rather than UTF-8, ISO-8859-1, etc
*
* @param string $binary_string
*
* @throws TypeError
*
* @return int
*/
function RandomCompat_strlen($binary_string)
{
if (!is_string($binary_string)) {
throw new TypeError(
'RandomCompat_strlen() expects a string'
);
}
return mb_strlen($binary_string, '8bit');
}
} else {
/**
* strlen() implementation that isn't brittle to mbstring.func_overload
*
* This version just used the default strlen()
*
* @param string $binary_string
*
* @throws TypeError
*
* @return int
*/
function RandomCompat_strlen($binary_string)
{
if (!is_string($binary_string)) {
throw new TypeError(
'RandomCompat_strlen() expects a string'
);
}
return strlen($binary_string);
}
}
}
if (!function_exists('RandomCompat_substr')) {
if (
defined('MB_OVERLOAD_STRING')
&&
ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
) {
/**
* substr() implementation that isn't brittle to mbstring.func_overload
*
* This version uses mb_substr() in '8bit' mode to treat strings as raw
* binary rather than UTF-8, ISO-8859-1, etc
*
* @param string $binary_string
* @param int $start
* @param int $length (optional)
*
* @throws TypeError
*
* @return string
*/
function RandomCompat_substr($binary_string, $start, $length = null)
{
if (!is_string($binary_string)) {
throw new TypeError(
'RandomCompat_substr(): First argument should be a string'
);
}
if (!is_int($start)) {
throw new TypeError(
'RandomCompat_substr(): Second argument should be an integer'
);
}
if ($length === null) {
/**
* mb_substr($str, 0, NULL, '8bit') returns an empty string on
* PHP 5.3, so we have to find the length ourselves.
*/
$length = RandomCompat_strlen($length) - $start;
} elseif (!is_int($length)) {
throw new TypeError(
'RandomCompat_substr(): Third argument should be an integer, or omitted'
);
}
return mb_substr($binary_string, $start, $length, '8bit');
}
} else {
/**
* substr() implementation that isn't brittle to mbstring.func_overload
*
* This version just uses the default substr()
*
* @param string $binary_string
* @param int $start
* @param int $length (optional)
*
* @throws TypeError
*
* @return string
*/
function RandomCompat_substr($binary_string, $start, $length = null)
{
if (!is_string($binary_string)) {
throw new TypeError(
'RandomCompat_substr(): First argument should be a string'
);
}
if (!is_int($start)) {
throw new TypeError(
'RandomCompat_substr(): Second argument should be an integer'
);
}
if ($length !== null) {
if (!is_int($length)) {
throw new TypeError(
'RandomCompat_substr(): Third argument should be an integer, or omitted'
);
}
return substr($binary_string, $start, $length);
}
return substr($binary_string, $start);
}
}
}

71
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
if (!function_exists('RandomCompat_intval')) {
/**
* Cast to an integer if we can, safely.
*
* If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX)
* (non-inclusive), it will sanely cast it to an int. If you it's equal to
* ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats
* lose precision, so the <= and => operators might accidentally let a float
* through.
*
* @param int|float $number The number we want to convert to an int
* @param boolean $fail_open Set to true to not throw an exception
*
* @return int (or float if $fail_open)
*
* @throws TypeError
*/
function RandomCompat_intval($number, $fail_open = false)
{
if (is_numeric($number)) {
$number += 0;
}
if (
is_float($number)
&&
$number > ~PHP_INT_MAX
&&
$number < PHP_INT_MAX
) {
$number = (int) $number;
}
if (is_int($number) || $fail_open) {
return $number;
}
throw new TypeError(
'Expected an integer.'
);
}
}

42
vendor/paragonie/random_compat/lib/error_polyfill.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
if (!class_exists('Error', false)) {
// We can't really avoid making this extend Exception in PHP 5.
class Error extends Exception
{
}
}
if (!class_exists('TypeError', false)) {
class TypeError extends Error
{
}
}

207
vendor/paragonie/random_compat/lib/random.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
if (!defined('PHP_VERSION_ID')) {
// This constant was introduced in PHP 5.2.7
$RandomCompatversion = explode('.', PHP_VERSION);
define(
'PHP_VERSION_ID',
$RandomCompatversion[0] * 10000
+ $RandomCompatversion[1] * 100
+ $RandomCompatversion[2]
);
$RandomCompatversion = null;
}
if (PHP_VERSION_ID < 70000) {
if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
define('RANDOM_COMPAT_READ_BUFFER', 8);
}
$RandomCompatDIR = dirname(__FILE__);
require_once $RandomCompatDIR.'/byte_safe_strings.php';
require_once $RandomCompatDIR.'/cast_to_int.php';
require_once $RandomCompatDIR.'/error_polyfill.php';
if (!function_exists('random_bytes')) {
/**
* PHP 5.2.0 - 5.6.x way to implement random_bytes()
*
* We use conditional statements here to define the function in accordance
* to the operating environment. It's a micro-optimization.
*
* In order of preference:
* 1. Use libsodium if available.
* 2. fread() /dev/urandom if available (never on Windows)
* 3. mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM)
* 4. COM('CAPICOM.Utilities.1')->GetRandom()
* 5. openssl_random_pseudo_bytes() (absolute last resort)
*
* See ERRATA.md for our reasoning behind this particular order
*/
if (extension_loaded('libsodium')) {
// See random_bytes_libsodium.php
if (PHP_VERSION_ID >= 50300 && function_exists('\\Sodium\\randombytes_buf')) {
require_once $RandomCompatDIR.'/random_bytes_libsodium.php';
} elseif (method_exists('Sodium', 'randombytes_buf')) {
require_once $RandomCompatDIR.'/random_bytes_libsodium_legacy.php';
}
}
/**
* Reading directly from /dev/urandom:
*/
if (DIRECTORY_SEPARATOR === '/') {
// DIRECTORY_SEPARATOR === '/' on Unix-like OSes -- this is a fast
// way to exclude Windows.
$RandomCompatUrandom = true;
$RandomCompat_basedir = ini_get('open_basedir');
if (!empty($RandomCompat_basedir)) {
$RandomCompat_open_basedir = explode(
PATH_SEPARATOR,
strtolower($RandomCompat_basedir)
);
$RandomCompatUrandom = in_array(
'/dev',
$RandomCompat_open_basedir
);
$RandomCompat_open_basedir = null;
}
if (
!function_exists('random_bytes')
&&
$RandomCompatUrandom
&&
@is_readable('/dev/urandom')
) {
// Error suppression on is_readable() in case of an open_basedir
// or safe_mode failure. All we care about is whether or not we
// can read it at this point. If the PHP environment is going to
// panic over trying to see if the file can be read in the first
// place, that is not helpful to us here.
// See random_bytes_dev_urandom.php
require_once $RandomCompatDIR.'/random_bytes_dev_urandom.php';
}
// Unset variables after use
$RandomCompatUrandom = null;
$RandomCompat_basedir = null;
}
/**
* mcrypt_create_iv()
*/
if (
!function_exists('random_bytes')
&&
PHP_VERSION_ID >= 50307
&&
extension_loaded('mcrypt')
) {
// See random_bytes_mcrypt.php
require_once $RandomCompatDIR.'/random_bytes_mcrypt.php';
}
if (
!function_exists('random_bytes')
&&
extension_loaded('com_dotnet')
&&
class_exists('COM')
) {
$RandomCompat_disabled_classes = preg_split(
'#\s*,\s*#',
strtolower(ini_get('disable_classes'))
);
if (!in_array('com', $RandomCompat_disabled_classes)) {
try {
$RandomCompatCOMtest = new COM('CAPICOM.Utilities.1');
if (method_exists($RandomCompatCOMtest, 'GetRandom')) {
// See random_bytes_com_dotnet.php
require_once $RandomCompatDIR.'/random_bytes_com_dotnet.php';
}
} catch (com_exception $e) {
// Don't try to use it.
}
}
$RandomCompat_disabled_classes = null;
$RandomCompatCOMtest = null;
}
/**
* openssl_random_pseudo_bytes()
*/
if (
(
// Unix-like with PHP >= 5.3.0 or
(
DIRECTORY_SEPARATOR === '/'
&&
PHP_VERSION_ID >= 50300
)
||
// Windows with PHP >= 5.4.1
PHP_VERSION_ID >= 50401
)
&&
!function_exists('random_bytes')
&&
extension_loaded('openssl')
) {
// See random_bytes_openssl.php
require_once $RandomCompatDIR.'/random_bytes_openssl.php';
}
/**
* throw new Exception
*/
if (!function_exists('random_bytes')) {
/**
* We don't have any more options, so let's throw an exception right now
* and hope the developer won't let it fail silently.
*/
function random_bytes($length)
{
throw new Exception(
'There is no suitable CSPRNG installed on your system'
);
}
}
}
if (!function_exists('random_int')) {
require_once $RandomCompatDIR.'/random_int.php';
}
$RandomCompatDIR = null;
}

81
vendor/paragonie/random_compat/lib/random_bytes_com_dotnet.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
/**
* Windows with PHP < 5.3.0 will not have the function
* openssl_random_pseudo_bytes() available, so let's use
* CAPICOM to work around this deficiency.
*
* @param int $bytes
*
* @throws Exception
*
* @return string
*/
function random_bytes($bytes)
{
try {
$bytes = RandomCompat_intval($bytes);
} catch (TypeError $ex) {
throw new TypeError(
'random_bytes(): $bytes must be an integer'
);
}
if ($bytes < 1) {
throw new Error(
'Length must be greater than 0'
);
}
$buf = '';
$util = new COM('CAPICOM.Utilities.1');
$execCount = 0;
/**
* Let's not let it loop forever. If we run N times and fail to
* get N bytes of random data, then CAPICOM has failed us.
*/
do {
$buf .= base64_decode($util->GetRandom($bytes, 0));
if (RandomCompat_strlen($buf) >= $bytes) {
/**
* Return our random entropy buffer here:
*/
return RandomCompat_substr($buf, 0, $bytes);
}
++$execCount;
} while ($execCount < $bytes);
/**
* If we reach here, PHP has failed us.
*/
throw new Exception(
'Could not gather sufficient random data'
);
}

148
vendor/paragonie/random_compat/lib/random_bytes_dev_urandom.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
define('RANDOM_COMPAT_READ_BUFFER', 8);
}
/**
* Unless open_basedir is enabled, use /dev/urandom for
* random numbers in accordance with best practices
*
* Why we use /dev/urandom and not /dev/random
* @ref http://sockpuppet.org/blog/2014/02/25/safely-generate-random-numbers
*
* @param int $bytes
*
* @throws Exception
*
* @return string
*/
function random_bytes($bytes)
{
static $fp = null;
/**
* This block should only be run once
*/
if (empty($fp)) {
/**
* We use /dev/urandom if it is a char device.
* We never fall back to /dev/random
*/
$fp = fopen('/dev/urandom', 'rb');
if (!empty($fp)) {
$st = fstat($fp);
if (($st['mode'] & 0170000) !== 020000) {
fclose($fp);
$fp = false;
}
}
if (!empty($fp)) {
/**
* stream_set_read_buffer() does not exist in HHVM
*
* If we don't set the stream's read buffer to 0, PHP will
* internally buffer 8192 bytes, which can waste entropy
*
* stream_set_read_buffer returns 0 on success
*/
if (function_exists('stream_set_read_buffer')) {
stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
}
if (function_exists('stream_set_chunk_size')) {
stream_set_chunk_size($fp, RANDOM_COMPAT_READ_BUFFER);
}
}
}
try {
$bytes = RandomCompat_intval($bytes);
} catch (TypeError $ex) {
throw new TypeError(
'random_bytes(): $bytes must be an integer'
);
}
if ($bytes < 1) {
throw new Error(
'Length must be greater than 0'
);
}
/**
* This if() block only runs if we managed to open a file handle
*
* It does not belong in an else {} block, because the above
* if (empty($fp)) line is logic that should only be run once per
* page load.
*/
if (!empty($fp)) {
$remaining = $bytes;
$buf = '';
/**
* We use fread() in a loop to protect against partial reads
*/
do {
$read = fread($fp, $remaining);
if ($read === false) {
/**
* We cannot safely read from the file. Exit the
* do-while loop and trigger the exception condition
*/
$buf = false;
break;
}
/**
* Decrease the number of bytes returned from remaining
*/
$remaining -= RandomCompat_strlen($read);
$buf .= $read;
} while ($remaining > 0);
/**
* Is our result valid?
*/
if ($buf !== false) {
if (RandomCompat_strlen($buf) === $bytes) {
/**
* Return our random entropy buffer here:
*/
return $buf;
}
}
}
/**
* If we reach here, PHP has failed us.
*/
throw new Exception(
'Error reading from source device'
);
}

86
vendor/paragonie/random_compat/lib/random_bytes_libsodium.php vendored Normal file
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@@ -0,0 +1,86 @@
<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
/**
* If the libsodium PHP extension is loaded, we'll use it above any other
* solution.
*
* libsodium-php project:
* @ref https://github.com/jedisct1/libsodium-php
*
* @param int $bytes
*
* @throws Exception
*
* @return string
*/
function random_bytes($bytes)
{
try {
$bytes = RandomCompat_intval($bytes);
} catch (TypeError $ex) {
throw new TypeError(
'random_bytes(): $bytes must be an integer'
);
}
if ($bytes < 1) {
throw new Error(
'Length must be greater than 0'
);
}
/**
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
* generated in one invocation.
*/
if ($bytes > 2147483647) {
$buf = '';
for ($i = 0; $i < $bytes; $i += 1073741824) {
$n = ($bytes - $i) > 1073741824
? 1073741824
: $bytes - $i;
$buf .= \Sodium\randombytes_buf($n);
}
} else {
$buf = \Sodium\randombytes_buf($bytes);
}
if ($buf !== false) {
if (RandomCompat_strlen($buf) === $bytes) {
return $buf;
}
}
/**
* If we reach here, PHP has failed us.
*/
throw new Exception(
'Could not gather sufficient random data'
);
}

86
vendor/paragonie/random_compat/lib/random_bytes_libsodium_legacy.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
/**
* If the libsodium PHP extension is loaded, we'll use it above any other
* solution.
*
* libsodium-php project:
* @ref https://github.com/jedisct1/libsodium-php
*
* @param int $bytes
*
* @throws Exception
*
* @return string
*/
function random_bytes($bytes)
{
try {
$bytes = RandomCompat_intval($bytes);
} catch (TypeError $ex) {
throw new TypeError(
'random_bytes(): $bytes must be an integer'
);
}
if ($bytes < 1) {
throw new Error(
'Length must be greater than 0'
);
}
/**
* \Sodium\randombytes_buf() doesn't allow more than 2147483647 bytes to be
* generated in one invocation.
*/
if ($bytes > 2147483647) {
$buf = '';
for ($i = 0; $i < $bytes; $i += 1073741824) {
$n = ($bytes - $i) > 1073741824
? 1073741824
: $bytes - $i;
$buf .= Sodium::randombytes_buf($n);
}
} else {
$buf = Sodium::randombytes_buf($bytes);
}
if ($buf !== false) {
if (RandomCompat_strlen($buf) === $bytes) {
return $buf;
}
}
/**
* If we reach here, PHP has failed us.
*/
throw new Exception(
'Could not gather sufficient random data'
);
}

76
vendor/paragonie/random_compat/lib/random_bytes_mcrypt.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
/**
* Powered by ext/mcrypt (and thankfully NOT libmcrypt)
*
* @ref https://bugs.php.net/bug.php?id=55169
* @ref https://github.com/php/php-src/blob/c568ffe5171d942161fc8dda066bce844bdef676/ext/mcrypt/mcrypt.c#L1321-L1386
*
* @param int $bytes
*
* @throws Exception
*
* @return string
*/
function random_bytes($bytes)
{
try {
$bytes = RandomCompat_intval($bytes);
} catch (TypeError $ex) {
throw new TypeError(
'random_bytes(): $bytes must be an integer'
);
}
if ($bytes < 1) {
throw new Error(
'Length must be greater than 0'
);
}
$buf = @mcrypt_create_iv($bytes, MCRYPT_DEV_URANDOM);
if (
$buf !== false
&&
RandomCompat_strlen($buf) === $bytes
) {
/**
* Return our random entropy buffer here:
*/
return $buf;
}
/**
* If we reach here, PHP has failed us.
*/
throw new Exception(
'Could not gather sufficient random data'
);
}

83
vendor/paragonie/random_compat/lib/random_bytes_openssl.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
/**
* Since openssl_random_pseudo_bytes() uses openssl's
* RAND_pseudo_bytes() API, which has been marked as deprecated by the
* OpenSSL team, this is our last resort before failure.
*
* @ref https://www.openssl.org/docs/crypto/RAND_bytes.html
*
* @param int $bytes
*
* @throws Exception
*
* @return string
*/
function random_bytes($bytes)
{
try {
$bytes = RandomCompat_intval($bytes);
} catch (TypeError $ex) {
throw new TypeError(
'random_bytes(): $bytes must be an integer'
);
}
if ($bytes < 1) {
throw new Error(
'Length must be greater than 0'
);
}
/**
* $secure is passed by reference. If it's set to false, fail. Note
* that this will only return false if this function fails to return
* any data.
*
* @ref https://github.com/paragonie/random_compat/issues/6#issuecomment-119564973
*/
$secure = true;
$buf = openssl_random_pseudo_bytes($bytes, $secure);
if (
$buf !== false
&&
$secure
&&
RandomCompat_strlen($buf) === $bytes
) {
return $buf;
}
/**
* If we reach here, PHP has failed us.
*/
throw new Exception(
'Could not gather sufficient random data'
);
}

191
vendor/paragonie/random_compat/lib/random_int.php vendored Normal file
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<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* 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.
*/
/**
* Fetch a random integer between $min and $max inclusive
*
* @param int $min
* @param int $max
*
* @throws Exception
*
* @return int
*/
function random_int($min, $max)
{
/**
* Type and input logic checks
*
* If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX)
* (non-inclusive), it will sanely cast it to an int. If you it's equal to
* ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats
* lose precision, so the <= and => operators might accidentally let a float
* through.
*/
try {
$min = RandomCompat_intval($min);
} catch (TypeError $ex) {
throw new TypeError(
'random_int(): $min must be an integer'
);
}
try {
$max = RandomCompat_intval($max);
} catch (TypeError $ex) {
throw new TypeError(
'random_int(): $max must be an integer'
);
}
/**
* Now that we've verified our weak typing system has given us an integer,
* let's validate the logic then we can move forward with generating random
* integers along a given range.
*/
if ($min > $max) {
throw new Error(
'Minimum value must be less than or equal to the maximum value'
);
}
if ($max === $min) {
return $min;
}
/**
* Initialize variables to 0
*
* We want to store:
* $bytes => the number of random bytes we need
* $mask => an integer bitmask (for use with the &) operator
* so we can minimize the number of discards
*/
$attempts = $bits = $bytes = $mask = $valueShift = 0;
/**
* At this point, $range is a positive number greater than 0. It might
* overflow, however, if $max - $min > PHP_INT_MAX. PHP will cast it to
* a float and we will lose some precision.
*/
$range = $max - $min;
/**
* Test for integer overflow:
*/
if (!is_int($range)) {
/**
* Still safely calculate wider ranges.
* Provided by @CodesInChaos, @oittaa
*
* @ref https://gist.github.com/CodesInChaos/03f9ea0b58e8b2b8d435
*
* We use ~0 as a mask in this case because it generates all 1s
*
* @ref https://eval.in/400356 (32-bit)
* @ref http://3v4l.org/XX9r5 (64-bit)
*/
$bytes = PHP_INT_SIZE;
$mask = ~0;
} else {
/**
* $bits is effectively ceil(log($range, 2)) without dealing with
* type juggling
*/
while ($range > 0) {
if ($bits % 8 === 0) {
++$bytes;
}
++$bits;
$range >>= 1;
$mask = $mask << 1 | 1;
}
$valueShift = $min;
}
/**
* Now that we have our parameters set up, let's begin generating
* random integers until one falls between $min and $max
*/
do {
/**
* The rejection probability is at most 0.5, so this corresponds
* to a failure probability of 2^-128 for a working RNG
*/
if ($attempts > 128) {
throw new Exception(
'random_int: RNG is broken - too many rejections'
);
}
/**
* Let's grab the necessary number of random bytes
*/
$randomByteString = random_bytes($bytes);
if ($randomByteString === false) {
throw new Exception(
'Random number generator failure'
);
}
/**
* Let's turn $randomByteString into an integer
*
* This uses bitwise operators (<< and |) to build an integer
* out of the values extracted from ord()
*
* Example: [9F] | [6D] | [32] | [0C] =>
* 159 + 27904 + 3276800 + 201326592 =>
* 204631455
*/
$val = 0;
for ($i = 0; $i < $bytes; ++$i) {
$val |= ord($randomByteString[$i]) << ($i * 8);
}
/**
* Apply mask
*/
$val &= $mask;
$val += $valueShift;
++$attempts;
/**
* If $val overflows to a floating point number,
* ... or is larger than $max,
* ... or smaller than $min,
* then try again.
*/
} while (!is_int($val) || $val > $max || $val < $min);
return (int) $val;
}

57
vendor/paragonie/random_compat/other/build_phar.php vendored Normal file
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<?php
$dist = dirname(__DIR__).'/dist';
if (!is_dir($dist)) {
mkdir($dist, 0755);
}
if (file_exists($dist.'/random_compat.phar')) {
unlink($dist.'/random_compat.phar');
}
$phar = new Phar(
$dist.'/random_compat.phar',
FilesystemIterator::CURRENT_AS_FILEINFO | \FilesystemIterator::KEY_AS_FILENAME,
'random_compat.phar'
);
rename(
dirname(__DIR__).'/lib/random.php',
dirname(__DIR__).'/lib/index.php'
);
$phar->buildFromDirectory(dirname(__DIR__).'/lib');
rename(
dirname(__DIR__).'/lib/index.php',
dirname(__DIR__).'/lib/random.php'
);
/**
* If we pass an (optional) path to a private key as a second argument, we will
* sign the Phar with OpenSSL.
*
* If you leave this out, it will produce an unsigned .phar!
*/
if ($argc > 1) {
if (!@is_readable($argv[1])) {
echo 'Could not read the private key file:', $argv[1], "\n";
exit(255);
}
$pkeyFile = file_get_contents($argv[1]);
$private = openssl_get_privatekey($pkeyFile);
if ($private !== false) {
$pkey = '';
openssl_pkey_export($private, $pkey);
$phar->setSignatureAlgorithm(Phar::OPENSSL, $pkey);
/**
* Save the corresponding public key to the file
*/
if (!@is_readable($dist.'/random_compat.phar.pubkey')) {
$details = openssl_pkey_get_details($private);
file_put_contents(
$dist.'/random_compat.phar.pubkey',
$details['key']
);
}
} else {
echo 'An error occurred reading the private key from OpenSSL.', "\n";
exit(255);
}
}