Add IP location service

assets/js/ip_location_service.js

@@ -0,0 +1,43 @@
+/**
+ * IP location service client
+ *
+ * @author Pierre Hubert
+ */
+
+/**
+ * Apply location information where requested
+ */
+async function apply_location_information() {
+  for (const el of document.querySelectorAll("locateip")) {
+    if (el.hasAttribute("updated"))
+        continue;
+
+    el.setAttribute("updated", "1");
+
+    try {
+        if(typeof IP_LOCATION_API === undefined)
+            throw new Error("IP location service is undefined!");
+
+        const URL = IP_LOCATION_API + "?ip=" + el.getAttribute("ip");
+        const res = await (await fetch(URL)).json();
+
+        if (res.country_code === undefined || res.country_name === undefined)
+            throw new Error("IP location information unavailable!");
+        
+        let loc = "<img src='/assets/img/countries/" + res.country_code.toLowerCase() + ".png' style='height: 1em;' /> ";
+
+        if (res.region_name !== undefined && res.region_name !== "")
+            loc += res.region_name + " (" + res.country_name + ")";
+        else
+            loc += res.country_name;
+        
+        el.innerHTML = loc;
+        
+    } catch(e) {
+        console.error(e);
+        el.innerHTML = "Unavailable";
+    }
+  }
+}
+
+window.addEventListener("load", () => apply_location_information());