s2/securerandomstring
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s2
2015-08-21 08:48:40 +02:00
parent 6d46d068cc
commit 3358bf21fc
1 changed files with 14 additions and 14 deletions
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28
lib/secure-random-string.js
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@@ -9,25 +9,25 @@ function srs(options, cb) {
} }
var length = options['length'] || 32; var length = options['length'] || 32;
// async path // async path
if (cb) { if (cb) {
crypto.randomBytes(length, function(ex, buf) { crypto.randomBytes(length, function(ex, buf) {
if (ex) throw ex; if (ex) throw ex;
return cb(_finish(buf)); return cb(_finish(buf));
}); });
} }
// sync path // sync path
else { else {
return _finish(crypto.randomBytes(length)); return _finish(crypto.randomBytes(length));
} }
function _finish (buf) { function _finish (buf) {
var string = buf.toString('base64'); var string = buf.toString('base64');
if (options.urlsafe) { if (options.urlsafe) {
string = string.replace(/\//g,'_').replace(/\+/g,'-'); string = string.replace(/\//g,'_').replace(/\+/g,'-');
} }
return string.substr(0, length); return string.substr(0, length);
} }
}; };