fix(server): handle invalid coordinates (#2648)

server/apps/microservices/src/utils/coordinates.spec.ts

@@ -0,0 +1,46 @@
+import { describe, it, expect } from '@jest/globals';
+import { parseLatitude, parseLongitude } from './coordinates';
+
+describe('parsing latitude from string input', () => {
+  it('returns null for invalid inputs', () => {
+    expect(parseLatitude('')).toBeNull();
+    expect(parseLatitude('NaN')).toBeNull();
+    expect(parseLatitude('Infinity')).toBeNull();
+    expect(parseLatitude('-Infinity')).toBeNull();
+    expect(parseLatitude('90.001')).toBeNull();
+    expect(parseLatitude('-90.000001')).toBeNull();
+    expect(parseLatitude('1000')).toBeNull();
+    expect(parseLatitude('-1000')).toBeNull();
+  });
+
+  it('returns the numeric coordinate for valid inputs', () => {
+    expect(parseLatitude('90')).toBeCloseTo(90);
+    expect(parseLatitude('-90')).toBeCloseTo(-90);
+    expect(parseLatitude('89.999999')).toBeCloseTo(89.999999);
+    expect(parseLatitude('-89.9')).toBeCloseTo(-89.9);
+    expect(parseLatitude('0')).toBeCloseTo(0);
+    expect(parseLatitude('-0.0')).toBeCloseTo(-0.0);
+  });
+});
+
+describe('parsing longitude from string input', () => {
+  it('returns null for invalid inputs', () => {
+    expect(parseLongitude('')).toBeNull();
+    expect(parseLongitude('NaN')).toBeNull();
+    expect(parseLongitude('Infinity')).toBeNull();
+    expect(parseLongitude('-Infinity')).toBeNull();
+    expect(parseLongitude('180.001')).toBeNull();
+    expect(parseLongitude('-180.000001')).toBeNull();
+    expect(parseLongitude('1000')).toBeNull();
+    expect(parseLongitude('-1000')).toBeNull();
+  });
+
+  it('returns the numeric coordinate for valid inputs', () => {
+    expect(parseLongitude('180')).toBeCloseTo(180);
+    expect(parseLongitude('-180')).toBeCloseTo(-180);
+    expect(parseLongitude('179.999999')).toBeCloseTo(179.999999);
+    expect(parseLongitude('-179.9')).toBeCloseTo(-179.9);
+    expect(parseLongitude('0')).toBeCloseTo(0);
+    expect(parseLongitude('-0.0')).toBeCloseTo(-0.0);
+  });
+});

server/apps/microservices/src/utils/coordinates.ts

@@ -0,0 +1,17 @@
+export function parseLatitude(input: string): number | null {
+  const latitude = Number.parseFloat(input);
+
+  if (latitude < -90 || latitude > 90 || Number.isNaN(latitude)) {
+    return null;
+  }
+  return latitude;
+}
+
+export function parseLongitude(input: string): number | null {
+  const longitude = Number.parseFloat(input);
+
+  if (longitude < -180 || longitude > 180 || Number.isNaN(longitude)) {
+    return null;
+  }
+  return longitude;
+}