1 files changed, 70 insertions, 0 deletions
diff --git a/packages/integrations/cloudflare/src/utils/getCFObject.ts b/packages/integrations/cloudflare/src/utils/getCFObject.ts
new file mode 100644
index 000000000..7a4cd8a0c
--- /dev/null
+++ b/packages/integrations/cloudflare/src/utils/getCFObject.ts
@@ -0,0 +1,70 @@
+import type { IncomingRequestCfProperties } from '@cloudflare/workers-types/experimental';
+
+export async function getCFObject(
+	runtimeMode: string
+): Promise<IncomingRequestCfProperties | void> {
+	const CF_ENDPOINT = 'https://workers.cloudflare.com/cf.json';
+	const CF_FALLBACK: IncomingRequestCfProperties = {
+		asOrganization: '',
+		asn: 395747,
+		colo: 'DFW',
+		city: 'Austin',
+		region: 'Texas',
+		regionCode: 'TX',
+		metroCode: '635',
+		postalCode: '78701',
+		country: 'US',
+		continent: 'NA',
+		timezone: 'America/Chicago',
+		latitude: '30.27130',
+		longitude: '-97.74260',
+		clientTcpRtt: 0,
+		httpProtocol: 'HTTP/1.1',
+		requestPriority: 'weight=192;exclusive=0',
+		tlsCipher: 'AEAD-AES128-GCM-SHA256',
+		tlsVersion: 'TLSv1.3',
+		tlsClientAuth: {
+			certPresented: '0',
+			certVerified: 'NONE',
+			certRevoked: '0',
+			certIssuerDN: '',
+			certSubjectDN: '',
+			certIssuerDNRFC2253: '',
+			certSubjectDNRFC2253: '',
+			certIssuerDNLegacy: '',
+			certSubjectDNLegacy: '',
+			certSerial: '',
+			certIssuerSerial: '',
+			certSKI: '',
+			certIssuerSKI: '',
+			certFingerprintSHA1: '',
+			certFingerprintSHA256: '',
+			certNotBefore: '',
+			certNotAfter: '',
+		},
+		edgeRequestKeepAliveStatus: 0,
+		hostMetadata: undefined,
+		clientTrustScore: 99,
+		botManagement: {
+			corporateProxy: false,
+			verifiedBot: false,
+			ja3Hash: '25b4882c2bcb50cd6b469ff28c596742',
+			staticResource: false,
+			detectionIds: [],
+			score: 99,
+		},
+	};
+
+	if (runtimeMode === 'local') {
+		return CF_FALLBACK;
+	} else if (runtimeMode === 'remote') {
+		try {
+			const res = await fetch(CF_ENDPOINT);
+			const cfText = await res.text();
+			const storedCf = JSON.parse(cfText);
+			return storedCf;
+		} catch (e: any) {
+			return CF_FALLBACK;
+		}
+	}
+}