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If there are not at least ten bytes in the arraybuffer, return a null unarchiver

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codedread 2019-03-08 08:19:37 -08:00
parent e07990c4db
commit f6fe788693
1 changed files with 4 additions and 0 deletions
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4
archive/archive.js
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@ -343,6 +343,10 @@ bitjs.archive.Untarrer = class extends bitjs.archive.Unarchiver {
* @return {bitjs.archive.Unarchiver} * @return {bitjs.archive.Unarchiver}
*/ */
bitjs.archive.GetUnarchiver = function(ab, opt_pathToBitJS) { bitjs.archive.GetUnarchiver = function(ab, opt_pathToBitJS) {
if (ab.byteLength < 10) {
return null;
}
let unarchiver = null; let unarchiver = null;
const pathToBitJS = opt_pathToBitJS || ''; const pathToBitJS = opt_pathToBitJS || '';
const h = new Uint8Array(ab, 0, 10); const h = new Uint8Array(ab, 0, 10);