cal.pub0.org/packages/features/ee/common/server/checkLicense.ts

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import cache from "memory-cache";
import { z } from "zod";
import { CONSOLE_URL } from "@calcom/lib/constants";
const CACHING_TIME = 86400000; // 24 hours in milliseconds
const schemaLicenseKey = z
.string()
// .uuid() exists but I'd to fix the situation where the CALCOM_LICENSE_KEY is wrapped in quotes
.regex(/^\"?[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}\"?$/, {
message: "License key must follow UUID format: 8-4-4-4-12",
})
.transform((v) => {
// Remove the double quotes from the license key, as they 404 the fetch.
return v != null && v.length >= 2 && v.charAt(0) == '"' && v.charAt(v.length - 1) == '"'
? v.substring(1, v.length - 1)
: v;
});
async function checkLicense(license: string): Promise<boolean> {
if (!!process.env.NEXT_PUBLIC_IS_E2E) return true;
if (!license) return false;
const url = `${CONSOLE_URL}/api/license?key=${schemaLicenseKey.parse(license)}`;
const cachedResponse = cache.get(url);
if (cachedResponse) {
return cachedResponse;
} else {
try {
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const response = await fetch(url, { mode: "cors" });
const data = await response.json();
cache.put(url, data.valid, CACHING_TIME);
return data.valid;
} catch (error) {
return false;
}
}
}
export default checkLicense;