fix: spoof nemesis to avoid script errors in older versions (#1936)

Reviewed-on: #1936
Co-authored-by: Sainan <63328889+Sainan@users.noreply.github.com>
Co-committed-by: Sainan <63328889+Sainan@users.noreply.github.com>

src/controllers/api/inventoryController.ts

@@ -1,5 +1,5 @@
 import { RequestHandler } from "express";
-import { getAccountIdForRequest } from "@/src/services/loginService";
+import { getAccountForRequest } from "@/src/services/loginService";
 import { Inventory, TInventoryDatabaseDocument } from "@/src/models/inventoryModels/inventoryModel";
 import { config } from "@/src/services/configService";
 import allDialogue from "@/static/fixed_responses/allDialogue.json";
@@ -24,11 +24,12 @@ import {
 import { logger } from "@/src/utils/logger";
 import { catBreadHash } from "@/src/helpers/stringHelpers";
 import { Types } from "mongoose";
+import { isNemesisCompatibleWithVersion } from "@/src/helpers/nemesisHelpers";
 
 export const inventoryController: RequestHandler = async (request, response) => {
-    const accountId = await getAccountIdForRequest(request);
+    const account = await getAccountForRequest(request);
 
-    const inventory = await Inventory.findOne({ accountOwnerId: accountId });
+    const inventory = await Inventory.findOne({ accountOwnerId: account._id });
 
     if (!inventory) {
         response.status(400).json({ error: "inventory was undefined" });
@@ -119,12 +120,15 @@ export const inventoryController: RequestHandler = async (request, response) =>
     inventory.LastInventorySync = new Types.ObjectId();
     await inventory.save();
 
-    response.json(await getInventoryResponse(inventory, "xpBasedLevelCapDisabled" in request.query));
+    response.json(
+        await getInventoryResponse(inventory, "xpBasedLevelCapDisabled" in request.query, account.BuildLabel)
+    );
 };
 
 export const getInventoryResponse = async (
     inventory: TInventoryDatabaseDocument,
-    xpBasedLevelCapDisabled: boolean
+    xpBasedLevelCapDisabled: boolean,
+    buildLabel: string | undefined
 ): Promise<IInventoryClient> => {
     const inventoryWithLoadOutPresets = await inventory.populate<{ LoadOutPresets: ILoadoutDatabase }>(
         "LoadOutPresets"
@@ -299,6 +303,15 @@ export const getInventoryResponse = async (
     // Set 2FA enabled so trading post can be used
     inventoryResponse.HWIDProtectEnabled = true;
 
+    // Fix nemesis for older versions
+    if (
+        inventoryResponse.Nemesis &&
+        buildLabel &&
+        !isNemesisCompatibleWithVersion(inventoryResponse.Nemesis, buildLabel)
+    ) {
+        inventoryResponse.Nemesis = undefined;
+    }
+
     return inventoryResponse;
 };
 

src/controllers/api/loginController.ts

@@ -47,7 +47,8 @@ export const loginController: RequestHandler = async (request, response) => {
                 ForceLogoutVersion: 0,
                 ConsentNeeded: false,
                 TrackedSettings: [],
-                Nonce: nonce
+                Nonce: nonce,
+                BuildLabel: buildLabel
             });
             logger.debug("created new account");
             response.json(createLoginResponse(myAddress, newAccount, buildLabel));
@@ -88,6 +89,7 @@ export const loginController: RequestHandler = async (request, response) => {
         account.ClientType = loginRequest.ClientType;
         account.Nonce = nonce;
         account.CountryCode = loginRequest.lang.toUpperCase();
+        account.BuildLabel = buildLabel;
     }
     await account.save();
 

src/controllers/api/missionInventoryUpdateController.ts

@@ -1,6 +1,6 @@
 import { RequestHandler } from "express";
 import { getJSONfromString } from "@/src/helpers/stringHelpers";
-import { getAccountIdForRequest } from "@/src/services/loginService";
+import { getAccountForRequest } from "@/src/services/loginService";
 import { IMissionInventoryUpdateRequest } from "@/src/types/requestTypes";
 import { addMissionInventoryUpdates, addMissionRewards } from "@/src/services/missionInventoryUpdateService";
 import { generateRewardSeed, getInventory } from "@/src/services/inventoryService";
@@ -49,11 +49,11 @@ import { IMissionInventoryUpdateResponse } from "@/src/types/missionTypes";
 */
 //move credit calc in here, return MissionRewards: [] if no reward info
 export const missionInventoryUpdateController: RequestHandler = async (req, res): Promise<void> => {
-    const accountId = await getAccountIdForRequest(req);
+    const account = await getAccountForRequest(req);
     const missionReport = getJSONfromString<IMissionInventoryUpdateRequest>((req.body as string).toString());
     logger.debug("mission report:", missionReport);
 
-    const inventory = await getInventory(accountId);
+    const inventory = await getInventory(account._id.toString());
     const firstCompletion = missionReport.SortieId
         ? inventory.CompletedSorties.indexOf(missionReport.SortieId) == -1
         : false;
@@ -65,7 +65,7 @@ export const missionInventoryUpdateController: RequestHandler = async (req, res)
     ) {
         inventory.RewardSeed = generateRewardSeed();
         await inventory.save();
-        const inventoryResponse = await getInventoryResponse(inventory, true);
+        const inventoryResponse = await getInventoryResponse(inventory, true, account.BuildLabel);
         res.json({
             InventoryJson: JSON.stringify(inventoryResponse),
             MissionRewards: []
@@ -84,7 +84,7 @@ export const missionInventoryUpdateController: RequestHandler = async (req, res)
 
     inventory.RewardSeed = generateRewardSeed();
     await inventory.save();
-    const inventoryResponse = await getInventoryResponse(inventory, true);
+    const inventoryResponse = await getInventoryResponse(inventory, true, account.BuildLabel);
 
     //TODO: figure out when to send inventory. it is needed for many cases.
     res.json({

src/helpers/nemesisHelpers.ts

@@ -6,7 +6,7 @@ import { logger } from "../utils/logger";
 import { IOid } from "../types/commonTypes";
 import { Types } from "mongoose";
 import { addMods, generateRewardSeed } from "../services/inventoryService";
-import { isArchwingMission } from "../services/worldStateService";
+import { isArchwingMission, version_compare } from "../services/worldStateService";
 import { fromStoreItem, toStoreItem } from "../services/itemDataService";
 import { createMessage } from "../services/inboxService";
 
@@ -237,15 +237,39 @@ const corpusVersionThreeWeapons = [
 
 export const getWeaponsForManifest = (manifest: string): readonly string[] => {
     switch (manifest) {
-        case "/Lotus/Types/Game/Nemesis/KuvaLich/KuvaLichManifestVersionSix":
+        case "/Lotus/Types/Game/Nemesis/KuvaLich/KuvaLichManifestVersionSix": // >= 35.6.0
             return kuvaLichVersionSixWeapons;
-        case "/Lotus/Types/Enemies/Corpus/Lawyers/LawyerManifestVersionThree":
-        case "/Lotus/Types/Enemies/Corpus/Lawyers/LawyerManifestVersionFour":
+        case "/Lotus/Types/Enemies/Corpus/Lawyers/LawyerManifestVersionThree": // >= 35.6.0
+        case "/Lotus/Types/Enemies/Corpus/Lawyers/LawyerManifestVersionFour": // >= 37.0.0
             return corpusVersionThreeWeapons;
     }
     throw new Error(`unknown nemesis manifest: ${manifest}`);
 };
 
+export const isNemesisCompatibleWithVersion = (
+    nemesis: { manifest: string; Faction: string },
+    buildLabel: string
+): boolean => {
+    // Anything below 35.6.0 is not going to be okay given our set of supported manifests.
+    if (version_compare(buildLabel, "2024.05.15.11.07") < 0) {
+        return false;
+    }
+
+    if (nemesis.Faction == "FC_INFESTATION") {
+        // Anything below 38.5.0 isn't gonna like an infested lich.
+        if (version_compare(buildLabel, "2025.03.18.16.07") < 0) {
+            return false;
+        }
+    } else if (nemesis.manifest == "/Lotus/Types/Enemies/Corpus/Lawyers/LawyerManifestVersionFour") {
+        // Anything below 37.0.0 isn't gonna know version 4, but version 3 is identical in terms of weapon choices, so we can spoof it to that.
+        if (version_compare(buildLabel, "2024.10.01.11.03") < 0) {
+            nemesis.manifest = "/Lotus/Types/Enemies/Corpus/Lawyers/LawyerManifestVersionThree";
+        }
+    }
+
+    return true;
+};
+
 export const getInnateDamageTag = (
     KillingSuit: string
 ):

src/models/loginModel.ts

@@ -20,6 +20,7 @@ const databaseAccountSchema = new Schema<IDatabaseAccountJson>(
         ConsentNeeded: { type: Boolean, required: true },
         TrackedSettings: { type: [String], default: [] },
         Nonce: { type: Number, default: 0 },
+        BuildLabel: String,
         Dropped: Boolean,
         LatestEventMessageDate: { type: Date, default: 0 },
         LastLoginRewardDate: { type: Number, default: 0 },

src/types/loginTypes.ts

@@ -16,6 +16,7 @@ export interface IAccountAndLoginResponseCommons {
 export interface IDatabaseAccountRequiredFields extends IAccountAndLoginResponseCommons {
     email: string;
     password: string;
+    BuildLabel?: string;
 }
 
 export interface IDatabaseAccount extends IDatabaseAccountRequiredFields {