51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
async function goat_counter_analytics(context) {
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// We require some env vars to be set. If they are not, fail the request
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if (!context.env.GOAT_COUNTER_API_KEY) {
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return new Response('$GOAT_COUNTER_API_KEY is not set', { status: 500, headers: { 'Content-Type': 'text/plain' } });
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}
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if (!context.env.GOAT_COUNTER_SITE_CODE) {
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return new Response('$GOAT_COUNTER_SITE_CODE is not set', { status: 500, headers: { 'Content-Type': 'text/plain' } });
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}
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// Parse the request URL
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let url = new URL(context.request.url);
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// Build the payload to send to GoatCounter
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var payload = {
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hits: [
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{
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path: url.pathname,
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query: url.search,
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ref: context.request.headers.get('Referer'),
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location: context.request.cf.country,
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user_agent: context.request.headers.get('User-Agent'),
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session: context.request.cf.botManagement.ja3Hash
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}
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]
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};
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// Count the goat
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fetch(`https://${context.env.GOAT_COUNTER_SITE_CODE}.goatcounter.com/api/v0/count`, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'Authorization': 'Bearer ' + context.env.GOAT_COUNTER_API_KEY,
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},
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body: JSON.stringify(payload),
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});
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// Execute the rest of the request chain
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let response = await context.next();
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// For debugging, allow the requester to expose the body through a response header
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if (url.searchParams.get('goat-counter-debug') == 'true') {
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response.headers.set('X-GoatCounter-Payload', JSON.stringify(payload));
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}
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// Return the response
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return response;
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}
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// Chaining
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export const onRequest = [goat_counter_analytics]; |