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Use function random_bytes() of PHP7 if available

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This commit is contained in:
Frederic Guillot 2015-12-07 20:51:59 -05:00
parent af17459593
commit 0ec12c64c3
1 changed files with 5 additions and 2 deletions
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7
models/config.php
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@ -235,8 +235,11 @@ function check_csrf($token)
// Generate a token from /dev/urandom or with uniqid() if open_basedir is enabled
function generate_token()
{
if (function_exists('openssl_random_pseudo_bytes')) {
return bin2hex(openssl_random_pseudo_bytes(25));
if (function_exists('random_bytes')) {
return bin2hex(random_bytes(30));
}
else if (function_exists('openssl_random_pseudo_bytes')) {
return bin2hex(openssl_random_pseudo_bytes(30));
}
else if (ini_get('open_basedir') === '' && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
return hash('sha256', file_get_contents('/dev/urandom', false, null, 0, 30));