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resolved security finding by performing safety check on regexp from e… #66

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4 changes: 3 additions & 1 deletion node-scripts/branch-filter.js
Original file line number Diff line number Diff line change
@@ -1,17 +1,19 @@
const core = require("@actions/core");
const github = require("@actions/github");
const lodash = require("lodash");

(function start() {
try {
const issuePrefix = process.env?.ISSUE_PREFIX;
const safeIssuePrefix = lodash.escapeRegExp(issuePrefix);
let ref = process.env?.BRANCH_NAME;
if (!ref) {
ref = github.context.ref;
}
const branchName = ref.substring(ref.lastIndexOf("/") + 1);
console.log(`branchName = ${branchName}`);
core.setOutput("branchName", branchName);
const re = new RegExp("^" + issuePrefix + "(\\d+)");
const re = new RegExp("^" + safeIssuePrefix + "(\\d+)");
const prefixMatches = branchName.match(re);
let matches = "false";
let issueNumber = "";
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