diff --git a/README.md b/README.md
index 76ad03be..2d132964 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
You can view this website on GitHub Pages: https://ipfs.github.io/public-gateway-checker/
-[](https://ipfs.github.io/public-gateway-checker/)
+[](https://ipfs.github.io/public-gateway-checker/)
**NOTE:** All of these (except `ipfs.io` and `dweb.link`) are hosted by third-parties and should be treated as such.
diff --git a/app.js b/app.js
index 37ab4079..c1ce839c 100644
--- a/app.js
+++ b/app.js
@@ -8,6 +8,13 @@ const HASH_TO_TEST = 'bafybeifx7yeb55armcsxwwitkymga5xf53dxiarykms3ygqic223w5sk3
const SCRIPT_HASH = 'bafybeietzsezxbgeeyrmwicylb5tpvf7yutrm3bxrfaoulaituhbi7q6yi';
const HASH_STRING = 'Hello from IPFS Gateway Checker';
+const ipfs_http_client = window.IpfsHttpClient({
+ host: 'ipfs.io',
+ port: 443,
+ protocol: 'https'
+});
+
+
let checker = document.getElementById('checker');
checker.nodes = [];
@@ -169,6 +176,75 @@ Origin.prototype.onerror = function() {
this.tag.textContent = '❌';
};
+let Flag = function(parent, hostname) {
+ this.parent = parent;
+ this.tag = document.createElement("div");
+ this.tag.className = "Flag";
+ this.tag.textContent = '';
+
+ let ask = true;
+
+ try{
+ let savedSTR = localStorage.getItem(hostname);
+ if (savedSTR) {
+ let saved = JSON.parse(savedSTR);
+ let now = Date.now();
+ let savedTime = saved.time;
+ let elapsed = now - savedTime;
+ let expiration = 7 * 24 * 60 * 60 * 1000; // 7 days
+ if (elapsed < expiration) {
+ ask = false;
+ this.onResponse(saved);
+ }
+ }
+ } catch(e) {
+ console.error(`error while getting savedSTR for ${hostname}`, e)
+ }
+
+ if (ask) {
+ setTimeout(() => {
+ let request = new XMLHttpRequest();
+ request.open('GET', `https://cloudflare-dns.com/dns-query?name=${hostname}&type=A`);
+ request.setRequestHeader("accept", "application/dns-json");
+ request.onreadystatechange = async () => {
+ if (4 == request.readyState) {
+ if (200 == request.status) {
+ try {
+ let response = JSON.parse(request.responseText);
+ let ip = null;
+ for (let i = 0; i < response.Answer.length && !ip; i++) {
+ let answer = response.Answer[i];
+ if (1 == answer.type) {
+ ip = answer.data;
+ }
+ }
+ if (ip) {
+ let geoipResponse = await window.IpfsGeoip.lookup(ipfs_http_client, ip);
+ if (geoipResponse && geoipResponse.country_code) {
+ this.onResponse(geoipResponse);
+ geoipResponse.time = Date.now();
+ let resposeSTR = JSON.stringify(geoipResponse);
+ localStorage.setItem(hostname, resposeSTR);
+ }
+ }
+ } catch(e) {
+ console.error(`error while getting DNS A record for ${hostname}`, e)
+ }
+ }
+ }
+ };
+ request.onerror = (e) => {};
+ request.send();
+ }, 500 * Flag.requests++); // 2 / second, request limit
+ }
+};
+
+Flag.prototype.onResponse = function(response) {
+ this.tag.style["background-image"] = `url('https://ipfs.io/ipfs/QmaYjj5BHGAWfopTdE8ESzypbuthsZqTeqz9rEuh3EJZi6/${response.country_code.toLowerCase()}.svg')`;
+ this.tag.title = response.country_name;
+};
+
+Flag.requests = 0;
let Node = function(parent, gateway, index) {
this.parent = parent;
@@ -185,11 +261,15 @@ let Node = function(parent, gateway, index) {
this.origin = new Origin(this);
this.tag.append(this.origin.tag);
+
this.link = document.createElement("div");
let gatewayAndHash = gateway.replace(':hash', HASH_TO_TEST);
this.link.url = new URL(gatewayAndHash);
this.link.textContent = gatewayHostname(this.link.url);
this.link.className = "Link";
+
+ this.flag = new Flag(this, this.link.textContent);
+ this.tag.append(this.flag.tag);
this.tag.append(this.link);
this.took = document.createElement("div");
diff --git a/index.html b/index.html
index 2d98de26..86832b8b 100644
--- a/index.html
+++ b/index.html
@@ -8,6 +8,8 @@
+
+
@@ -27,5 +29,5 @@
-
+