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zerobin_ynh/sources/lib/serversalt.php
2013-12-24 13:37:55 +01:00

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PHP

<?php
// Generate a large random hexadecimal salt.
function generateRandomSalt()
{
$randomSalt='';
for($i=0;$i<16;$i++) { $randomSalt.=base_convert(mt_rand(),10,16); }
return $randomSalt;
}
/* Return this ZeroBin server salt.
This is a random string which is unique to each ZeroBin installation.
It is automatically created if not present.
Salt is used:
- to generate unique VizHash in discussions (which are not reproductible across ZeroBin servers)
- to generate unique deletion token (which are not re-usable across ZeroBin servers)
*/
function getServerSalt()
{
$saltfile = 'data/salt.php';
if (!is_file($saltfile))
file_put_contents($saltfile,'<?php /* |'.generateRandomSalt().'| */ ?>');
$items=explode('|',file_get_contents($saltfile));
return $items[1];
}
?>