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[devtools] Restrict sourcemap URLs

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Moonchild 2022-04-09 01:25:04 +02:00 • committed by roytam1
commit 168e8bebd0
1 changed files with 13 additions and 0 deletions
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13
devtools/client/framework/source-map-worker.js
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@ -23,6 +23,19 @@ function enableSourceMaps() {
function _resolveSourceMapURL(source) {
const { url = "", sourceMapURL = "" } = source;
const UNSUPPORTED_PROTOCOLS = ["chrome://", "resource://"];
if (path.isURL(sourceMapURL) && UNSUPPORTED_PROTOCOLS.some(protocol => sourceMapURL.startsWith(protocol))) {
// If it's an internal protocol, don't allow it and return empty.
return "";
}
if (path.isURL(sourceMapURL) && sourceMapURL.startsWith("file://")) {
// Only allow file:// source maps from file:// docs
if (!url.startsWith("file://")) {
return "";
}
}
if (path.isURL(sourceMapURL) || url == "") {
// If it's already a full URL or the source doesn't have a URL,
// don't resolve anything.