improve(webui): Handle nonce being invalidated by client logging in (#239)

static/webui/script.js

@@ -6,6 +6,24 @@ function doLogin() {
 }
 
 function loginFromLocalStorage() {
+    doLoginRequest(
+        data => {
+            if (single.getCurrentPath() == "/webui/") {
+                single.loadRoute("/webui/inventory");
+            }
+            $(".displayname").text(data.DisplayName);
+            window.accountId = data.id;
+            window.authz = "accountId=" + data.id + "&nonce=" + data.Nonce;
+            updateInventory();
+        },
+        () => {
+            logout();
+            alert("Login failed");
+        }
+    );
+}
+
+function doLoginRequest(succ_cb, fail_cb) {
     const req = $.post({
         url: "/api/login.php",
         contentType: "text/plain",
@@ -20,19 +38,22 @@ function loginFromLocalStorage() {
             PS: "W0RFXVN0ZXZlIGxpa2VzIGJpZyBidXR0cw==" // anti-cheat data
         })
     });
-    req.done(data => {
+    req.done(succ_cb);
-        if (single.getCurrentPath() == "/webui/") {
+    req.fail(fail_cb);
-            single.loadRoute("/webui/inventory");
 }
-        $(".displayname").text(data.DisplayName);
+
-        window.accountId = data.id;
+function revalidateAuthz(succ_cb) {
+    return doLoginRequest(
+        data => {
             window.authz = "accountId=" + data.id + "&nonce=" + data.Nonce;
-        updateInventory();
+            succ_cb();
-    });
+        },
-    req.fail(() => {
+        () => {
             logout();
-        alert("Login failed");
+            alert("Your credentials are no longer valid.");
-    });
+            single.loadRoute("/webui/"); // Show login screen
+        }
+    );
 }
 
 function logout() {
@@ -176,6 +197,7 @@ function doAcquireWarframe() {
         $("#warframe-to-acquire").addClass("is-invalid").focus();
         return;
     }
+    revalidateAuthz(() => {
         const req = $.post({
             url: "/custom/addItem",
             contentType: "application/json",
@@ -189,6 +211,7 @@ function doAcquireWarframe() {
             document.getElementById("warframe-to-acquire").value = "";
             updateInventory();
         });
+    });
 }
 
 $("#warframe-to-acquire").on("input", () => {
@@ -201,6 +224,7 @@ function doAcquireWeapon() {
         $("#weapon-to-acquire").addClass("is-invalid").focus();
         return;
     }
+    revalidateAuthz(() => {
         const req = $.post({
             url: "/custom/addItem",
             contentType: "application/json",
@@ -214,6 +238,7 @@ function doAcquireWeapon() {
             document.getElementById("weapon-to-acquire").value = "";
             updateInventory();
         });
+    });
 }
 
 $("#weapon-to-acquire").on("input", () => {
@@ -228,6 +253,7 @@ function addGearExp(category, oid, xp) {
             XP: xp
         }
     ];
+    revalidateAuthz(() => {
         $.post({
             url: "/api/missionInventoryUpdate.php?" + window.authz,
             contentType: "text/plain",
@@ -235,6 +261,7 @@ function addGearExp(category, oid, xp) {
         }).done(function () {
             updateInventory();
         });
+    });
 }
 
 function disposeOfGear(category, oid) {
@@ -248,6 +275,7 @@ function disposeOfGear(category, oid) {
             String: oid
         }
     ];
+    revalidateAuthz(() => {
         $.post({
             url: "/api/sell.php?" + window.authz,
             contentType: "text/plain",
@@ -255,6 +283,7 @@ function disposeOfGear(category, oid) {
         }).done(function () {
             updateInventory();
         });
+    });
 }
 
 function doAcquireMiscItems() {
@@ -263,6 +292,7 @@ function doAcquireMiscItems() {
         $("#miscitem-type").addClass("is-invalid").focus();
         return;
     }
+    revalidateAuthz(() => {
         $.post({
             url: "/api/missionInventoryUpdate.php?" + window.authz,
             contentType: "text/plain",
@@ -277,6 +307,7 @@ function doAcquireMiscItems() {
         }).done(function () {
             alert("Successfully added.");
         });
+    });
 }
 
 $("#miscitem-name").on("input", () => {
@@ -301,6 +332,7 @@ function doAcquireRiven() {
         return;
     }
     const uniqueName = "/Lotus/Upgrades/Mods/Randomized/" + $("#addriven-type").val();
+    revalidateAuthz(() => {
         // Add riven type to inventory
         $.post({
             url: "/api/missionInventoryUpdate.php?" + window.authz,
@@ -340,6 +372,7 @@ function doAcquireRiven() {
                 }
             });
         });
+    });
 }
 
 $("#addriven-fingerprint").on("input", () => {