prepare to actually use the settings somewhat

options/options.js

@@ -1,3 +1,86 @@
+
+function isFirefox() {
+    testPlain = navigator.userAgent.indexOf('Firefox') !== -1;
+    if (testPlain) {
+        return testPlain
+    }
+    testTorBrowser = navigator.userAgent.indexOf('Tor') !== -1;
+    if (testTorBrowser) {
+        return testTorBrowser
+    }
+    return false
+}
+
+function setupProxy() {
+
+    let proxy_scheme = "http"
+    let proxy_host = "127.0.0.1"
+    let proxy_port = 4444
+
+    var defaultSettings = {
+        proxy_scheme: proxy_scheme,
+        proxy_value: [proxy_host, proxy_port]
+    };
+
+    function checkStoredSettings(storedSettings) {
+        if (!storedSettings.proxy_scheme || !storedSettings.proxy_value) {
+            browser.storage.local.set(defaultSettings);
+        }
+    }
+
+    function onError(e) {
+      console.error(e);
+    }
+
+    const gettingStoredSettings = browser.storage.local.get();
+    gettingStoredSettings.then(checkStoredSettings, onError);
+
+    if (isFirefox()) {
+        if (proxy_scheme == "http") {
+            var proxySettings = {
+                proxyType: "manual",
+                http: proxy_host+":"+proxy_port,
+                passthrough: "",
+                httpProxyAll: true
+            };
+            browser.proxy.settings.set({value:proxySettings});
+            console.log("i2p settings created for Firefox")
+        }
+    }else{
+        var config = {
+            mode: "fixed_servers",
+            rules: {
+                proxyForHttp: {
+                    scheme: proxy_scheme,
+                    host: proxy_host,
+                    port: proxy_port
+                },
+                proxyForFtp: {
+                    scheme: proxy_scheme,
+                    host: proxy_host,
+                    port: proxy_port
+                },
+                proxyForHttps: {
+                    scheme: proxy_scheme,
+                    host: proxy_host,
+                    port: proxy_port
+                },
+                fallbackProxy: {
+                    scheme: proxy_scheme,
+                    host: proxy_host,
+                    port: proxy_port
+                }
+            }
+        };
+        chrome.proxy.settings.set(
+            {value: config, scope: 'regular'},
+            function() {});
+        console.log("i2p settings created for Chromium")
+    }
+
+}
+
+
 /*
 Store the currently selected settings using browser.storage.local.
 */
@@ -38,6 +121,7 @@ function storeSettings() {
     proxy_host,
     proxy_port,
   });
+  setupProxy()
 }
 
 /*
@@ -74,3 +158,4 @@ On clicking the save button, save the currently selected settings.
 */
 const saveButton = document.querySelector("#save-button");
 saveButton.addEventListener("click", storeSettings);
+