s2/securerandomstring
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Refactor: encapsulate code that will be shared with the sync version.

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Mark Stosberg
2015-08-06 11:36:19 -04:00
parent 327ba5fa09
commit 350fd45086
1 changed files with 7 additions and 3 deletions
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10
lib/secure-random-string.js
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@@ -12,15 +12,19 @@ function srs(options, cb) {
crypto.randomBytes(length, function(ex, buf) {
if (ex) throw ex;
cb(_finish(buf));
});
function _finish (buf) {
var string = buf.toString('base64');
if (options.urlsafe) {
string = string.replace(/\//g,'_').replace(/\+/g,'-');
}
cb(string.substr(0, length));
});
return string.substr(0, length);
}
};
module.exports = srs;