Merge pull request #1567 from dgw/preview-length-abort
Abort image prefetch if Content-Length exceeds limit
This commit is contained in:
commit
08edc434ca
@ -159,7 +159,14 @@ function fetch(uri, cb) {
|
||||
var limit = Helper.config.prefetchMaxImageSize * 1024;
|
||||
req
|
||||
.on("response", function(res) {
|
||||
if (!(/^image\/.+/.test(res.headers["content-type"]))) {
|
||||
if (/^image\/.+/.test(res.headers["content-type"])) {
|
||||
// response is an image
|
||||
// if Content-Length header reports a size exceeding the prefetch limit, abort fetch
|
||||
const contentLength = parseInt(res.headers["content-length"], 10) || 0;
|
||||
if (contentLength > limit) {
|
||||
req.abort();
|
||||
}
|
||||
} else {
|
||||
// if not image, limit download to 50kb, since we need only meta tags
|
||||
// twitter.com sends opengraph meta tags within ~20kb of data for individual tweets
|
||||
limit = 1024 * 50;
|
||||
|
Loading…
Reference in New Issue
Block a user