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enhance random_string, block public email replies

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Friendika 2011-08-10 21:06:35 -07:00
parent 06408664db
commit 684ebd2ed8
5 changed files with 16 additions and 6 deletions
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13
include/text.php
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@ -19,11 +19,18 @@ function replace_macros($s,$r) {
}}
// random hex string, 64 chars max
// random string, there are 86 characters max in text mode, 128 for hex
// output is urlsafe
define('RANDOM_STRING_HEX', 0x00 );
define('RANDOM_STRING_TEXT', 0x01 );
if(! function_exists('random_string')) {
function random_string($size = 64) {
return(substr(hash('sha256',uniqid(rand(),true)),0,$size));
function random_string($size = 64,$type = RANDOM_STRING_HEX) {
// generate a bit of entropy and run it through the whirlpool
$s = hash('whirlpool', (string) rand() . uniqid(rand(),true) . (string) rand(),(($type == RANDOM_STRING_TEXT) ? true : false));
$s = (($type == RANDOM_STRING_TEXT) ? str_replace("\n","",base64url_encode($s,true)) : $s);
return(substr($s,0,$size));
}}
/**