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Fix potential exponential backtracking in regex in utils.parseExtensionSource

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Shivam Mathur 2022-01-22 02:25:58 +05:30
parent 9ca9ab33ef
commit c38f1acc38
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2 changed files with 3 additions and 2 deletions
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2
dist/index.js vendored
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@ -1177,7 +1177,7 @@ async function customPackage(pkg, type, version, os_version) {
}
exports.customPackage = customPackage;
async function parseExtensionSource(extension, prefix) {
const regex = /(\w+)-(.+:\/\/.+(?:[.:].+)+\/)?([\w.-]+)\/([\w.-]+)@(.+)/;
const regex = /(\w+)-(\w+:\/\/.{1,253}(?:[.:][^:/\s]{2,63})+\/)?([\w.-]+)\/([\w.-]+)@(.+)/;
const matches = regex.exec(extension);
matches[2] = matches[2] ? matches[2].slice(0, -1) : 'https://github.com';
return await joins('\nadd_extension_from_source', ...matches.splice(1, matches.length), prefix);

3
src/utils.ts
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@ -492,7 +492,8 @@ export async function parseExtensionSource(
prefix: string
): Promise<string> {
// Groups: extension, domain url, org, repo, release
const regex = /(\w+)-(.+:\/\/.+(?:[.:].+)+\/)?([\w.-]+)\/([\w.-]+)@(.+)/;
const regex =
/(\w+)-(\w+:\/\/.{1,253}(?:[.:][^:/\s]{2,63})+\/)?([\w.-]+)\/([\w.-]+)@(.+)/;
const matches = regex.exec(extension) as RegExpExecArray;
matches[2] = matches[2] ? matches[2].slice(0, -1) : 'https://github.com';
return await joins(