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Fix code scanning alert #2: DOM text reinterpreted as HTML #17

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merged 1 commit into from
Sep 19, 2024
Merged

Fix code scanning alert #2: DOM text reinterpreted as HTML #17

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12 changes: 7 additions & 5 deletions ui/components/blockexplorer/SearchBar.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import { useRouter } from "next/router";
import { ethers } from "ethers";
import { localhost } from "wagmi/chains";
import { getLocalProvider } from "~~/utils/scaffold-eth";
import DOMPurify from "dompurify";

const provider = getLocalProvider(localhost);
export const SearchBar = () => {
Expand All @@ -11,20 +12,21 @@ export const SearchBar = () => {

const handleSearch = async (event: React.FormEvent) => {
event.preventDefault();
if (ethers.utils.isHexString(searchInput)) {
const sanitizedInput = DOMPurify.sanitize(searchInput);
if (ethers.utils.isHexString(sanitizedInput)) {
try {
const tx = await provider?.getTransaction(searchInput);
const tx = await provider?.getTransaction(sanitizedInput);
if (tx) {
router.push(`/blockexplorer/transaction/${searchInput}`);
router.push(`/blockexplorer/transaction/${sanitizedInput}`);
return;
}
} catch (error) {
console.error("Failed to fetch transaction:", error);
}
}

if (ethers.utils.isAddress(searchInput)) {
router.push(`/blockexplorer/address/${searchInput}`);
if (ethers.utils.isAddress(sanitizedInput)) {
router.push(`/blockexplorer/address/${sanitizedInput}`);
return;
}
};
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3 changes: 2 additions & 1 deletion ui/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,8 @@
"use-debounce": "10.0.3",
"usehooks-ts": "3.1.0",
"wagmi": "2.12.12",
"zustand": "^4.5.5"
"zustand": "^4.5.5",
"dompurify": "^3.1.6"
},
"devDependencies": {
"@trivago/prettier-plugin-sort-imports": "^4.3.0",
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