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add new function uniqidReal()

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This commit is contained in:
Uwe Steinmann 2022-11-02 08:54:52 +01:00
parent e202ff46b8
commit 757d950802
1 changed files with 21 additions and 4 deletions
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25
inc/inc.Utils.php
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@ -695,7 +695,7 @@ function formatComment($an) { /* {{{ */
* @param string $command The command to check
* @return bool True if the command has been found ; otherwise, false.
*/
function commandExists ($command) {
function commandExists ($command) { /* {{{ */
$whereIsCommand = (PHP_OS == 'WINNT') ? 'where' : 'command -v';
$process = proc_open(
@ -718,7 +718,7 @@ function commandExists ($command) {
}
return false;
}
} /* }}} */
/**
* Send a file from disk to the browser
@ -851,7 +851,7 @@ function seed_pass_verify($password, $hash) { /* {{{ */
return (md5($password) == $hash) || password_verify($password, $hash);
} /* }}} */
function resolveTask($task) {
function resolveTask($task) { /* {{{ */
global $dms, $user, $settings, $logger, $fulltextservice, $notifier, $conversionmgr;
if(is_object($task))
@ -862,7 +862,7 @@ function resolveTask($task) {
}
}
return $task;
}
} /* }}} */
/**
* Return nonce for CSP
@ -880,6 +880,23 @@ function createNonce() { /* {{{ */
return base64_encode($bytes);
} /* }}} */
/**
* Create a real uniqid for cryptographic purposes
*
* @ return string
*/
function uniqidReal($lenght = 13) {
// uniqid gives 13 chars, but you could adjust it to your needs.
if (function_exists("random_bytes")) {
$bytes = random_bytes(ceil($lenght / 2));
} elseif (function_exists("openssl_random_pseudo_bytes")) {
$bytes = openssl_random_pseudo_bytes(ceil($lenght / 2));
} else {
throw new Exception("no cryptographically secure random function available");
}
return substr(bin2hex($bytes), 0, $lenght);
}
/**
* Compare function for sorting users by login
*