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feat: enhance domain validate with regex, support wildcard domain and path validate #150

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feat: enhance domain validate with regex, support wildcard domain and path validate #150

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21 changes: 17 additions & 4 deletions src/sources/http.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,18 +26,31 @@ export const createHTTPSource: SourceFactory<HTTPSourceOptions> = (options) => {
if (!HTTP_RE.test(d)) {
d = "http://" + d;
}
return new URL(d).hostname;
const { hostname, pathname } = new URL(d);
const regExpUrl = `${hostname}${pathname}`.replaceAll("*.", "(\\w*.)?");
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@jameswragg jameswragg Nov 23, 2023

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Allow for multiple subdomains?

Suggested change
const regExpUrl = `${hostname}${pathname}`.replaceAll("*.", "(\\w*.)?");
const regExpUrl = `${hostname}${pathname}`.replaceAll("*.", "(\\w*.)+?");

return new RegExp(`^${regExpUrl}`);
})
.filter(Boolean)
);
const validateDomain = (requestUrl: string): boolean => {
for (const domain of domains) {
if (domain.test(requestUrl)) {
return true;
}
}
return false;
};

return async (id: string, requestOptions) => {
// Check hostname
const hostname = new URL(id).hostname;
// Check hostname and path ( include wildcard subdomain )
const { hostname, pathname } = new URL(id);
if (!hostname) {
throw createError("Hostname is missing", 403, id);
}
if (!requestOptions?.bypassDomain && !domains.has(hostname)) {
if (
!requestOptions?.bypassDomain &&
!validateDomain(`${hostname}${pathname}`)
) {
throw createError("Forbidden host", 403, hostname);
}

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