1 files changed, 17 insertions, 0 deletions
diff --git a/api/src/util/ipAddress.ts b/api/src/util/ipAddress.ts
index 0a724daa..c6239426 100644
--- a/api/src/util/ipAddress.ts
+++ b/api/src/util/ipAddress.ts
@@ -60,6 +60,7 @@ const exampleData = {
status: 200
};
+//TODO add function that support both ip and domain names
export async function IPAnalysis(ip: string): Promise<typeof exampleData> {
const { ipdataApiKey } = Config.get().security;
if (!ipdataApiKey) return { ...exampleData, ip };
@@ -79,3 +80,19 @@ export function getIpAdress(req: Request): string {
// @ts-ignore
return req.headers[Config.get().security.forwadedFor] || req.socket.remoteAddress;
}
+
+
+export function distanceBetweenLocations(loc1: any, loc2: any): number {
+ return distanceBetweenCoords(loc1.latitude, loc1.longitude, loc2.latitude, loc2.longitude);
+}
+
+//Haversine function
+function distanceBetweenCoords(lat1: number, lon1: number, lat2: number, lon2: number) {
+ const p = 0.017453292519943295; // Math.PI / 180
+ const c = Math.cos;
+ const a = 0.5 - c((lat2 - lat1) * p) / 2 +
+ c(lat1 * p) * c(lat2 * p) *
+ (1 - c((lon2 - lon1) * p)) / 2;
+
+ return 12742 * Math.asin(Math.sqrt(a)); // 2 * R; R = 6371 km
+}
\ No newline at end of file
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