v013

You'd think something like this would exist on npm somewhere.

.gitlab-ci.yml

@@ -0,0 +1,16 @@
+image: node:12-buster
+
+cache:
+  paths:
+    - node_modules/
+
+stages:
+  - build
+
+do_build:
+  stage: build
+  script:
+    - npm install
+    - npm run build
+    - npm test
+

CHANGELOG.md

@@ -0,0 +1,58 @@
+# CHANGELOG
+
+## v013
+
+- IDZ: Miscellaneous refactoring (Tau)
+- Chunithm: Add stubs to support Amazon Plus (Felix)
+
+## v012
+
+- Chunithm: Fix large data loads (NeumPhis)
+- Chunithm: Add some support for older versions (NeumPhis)
+- Chunithm: Fix large data loads (Felix)
+- Chunithm: Enable all events (Felix)
+- Chunithm: Remove server maintenance period (Felix)
+- Chunithm: Fix data loss (esterTion)
+- Chunithm: Add some support for older versions (esterTion)
+- IDZ: Team-related fixes (Emi Midnight)
+- Add support for newer AIME card services (cxm)
+- Chunithm: Enable ticket system (Rob)
+- Chunithm: Implement Recent Rating feature (seika1)
+- Chunithm: Fix User Activity feature (seika1)
+
+## v011
+
+- IDZ: Fix loading of >10 cars in garage (Tau)
+
+## v010
+
+- Chunithm: Bug fix: Fix new database creation and repair affected databases. Again. (Tau)
+  Switch to a different SQLite native code extension. C compiler is no longer required. (Tau)
+
+## v009
+
+- IDZ: Display team banners in attract loop rankings (Tau)
+- Chunithm: Bug fix: Fix new database creation and repair affected databases (Tau)
+
+## v008
+
+- Implement auras in IDZ (BemaniWitch)
+- Fix user ratings (NeumPhis)
+- Load and save course results (NeumPhis)
+- Load and save user duel list (Felix)
+
+## v007
+
+- Fix IDZ team creation (Tau)
+- Fix startup script working directory (Tau)
+
+## v006
+
+- Fix Chunithm HTTP POST size limit (Tau)
+
+## v005
+
+- Initial public release (Tau)
+  - Chunithm v1.30.00 Amazon
+  - Initial D Zero v1.21.00
+  - Initial D Zero v1.31.00

package.json

@@ -5,7 +5,7 @@
   "main": "src/index.js",
   "private": true,
   "dependencies": {
-    "better-sqlite3": "^5.4.3",
+    "@decafcode/sqlite": "^2.0.0",
     "compression": "^1.7.3",
     "date-fns": "^1.30.1",
     "debug": "^4.1.1",
@@ -20,7 +20,6 @@
     "supports-color": "^7.1.0"
   },
   "devDependencies": {
-    "@types/better-sqlite3": "^5.4.0",
     "@types/compression": "^0.0.36",
     "@types/debug": "^4.1.5",
     "@types/dotenv": "^6.1.1",
@@ -28,12 +27,12 @@
     "@types/jest": "^24.0.11",
     "@types/multiparty": "^0.0.32",
     "@types/node": "^12.11.7",
-    "jest": "^24.5.0",
-    "jest-haste-map": "^24.5.0",
+    "jest": "^26.4.2",
+    "jest-haste-map": "^26.3.0",
     "jest-resolve": "^24.5.0",
     "prettier": "^1.16.4",
-    "ts-jest": "^24.0.0",
-    "typescript": "^3.6.4",
+    "ts-jest": "^26.3.0",
+    "typescript": "^3.8.3",
     "utility-types": "^3.6.1"
   },
   "scripts": {

schema/init/cm.sql

@@ -82,6 +82,44 @@ create table "cm_user_activity" (
     )
 );
 
+create table "cm_user_charge" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "charge_id" integer not null,
+    "stock" integer not null,
+    "purchase_date" text not null,
+    "valid_date" text not null,
+    "param1" integer not null,
+    "param2" integer not null,
+    "param_date" text not null,
+    constraint "cm_user_charge_uq" unique ("profile_id", "charge_id")
+);
+
+create table "cm_user_course" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "course_id" integer not null,
+    "class_id" integer not null,
+    "play_count" integer not null,
+    "score_max" integer not null,
+    "is_full_combo" text not null,
+    "is_all_justice" text not null,
+    "is_success" text not null,
+    "score_rank" integer not null,
+    "event_id" integer not null,
+    "last_play_date" text not null,
+    "param1" integer not null,
+    "param2" integer not null,
+    "param3" integer not null,
+    "param4" integer not null,
+    "is_clear" text not null,
+    constraint "cm_user_course_uq" unique ("profile_id", "course_id")
+);
+
 create table "cm_user_data_ex" (
     "id" integer primary key not null
             references "cm_user_data"("id")
@@ -122,6 +160,23 @@ create table "cm_user_data_ex" (
     "ext_long5" integer not null
 );
 
+create table "cm_user_duel_list" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "duel_id" integer not null,
+    "progress" integer not null,
+    "point" integer not null,
+    "is_clear" boolean not null,
+    "last_play_date" text not null,
+    "param1" integer not null,
+    "param2" integer not null,
+    "param3" integer not null,
+    "param4" integer not null,
+    constraint "cm_user_duel_list_uq" unique ("profile_id", "duel_id")
+);
+
 create table "cm_user_character" (
     "id" integer primary key not null,
     "profile_id" integer not null
@@ -302,3 +357,16 @@ create table "cm_user_playlog" (
     "place_name" text not null,
     "is_maimai" text not null
 );
+
+create table "cm_user_recent_rating" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "sort_order" integer not null,
+    "music_id" integer not null,
+    "difficult_id" integer not null,
+    "rom_version_code" integer not null,
+    "score" integer not null,
+    constraint "cm_user_recent_rating_uq" unique ("profile_id", "sort_order")
+);

schema/migrate/M0012-cm-user-course-fix.sql

@@ -0,0 +1,23 @@
+-- This was not present in new DBs initialized to schema version 11.
+create table if not exists "cm_user_course" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "course_id" integer not null,
+    "class_id" integer not null,
+    "play_count" integer not null,
+    "score_max" integer not null,
+    "is_full_combo" text not null,
+    "is_all_justice" text not null,
+    "is_success" text not null,
+    "score_rank" integer not null,
+    "event_id" integer not null,
+    "last_play_date" text not null,
+    "param1" integer not null,
+    "param2" integer not null,
+    "param3" integer not null,
+    "param4" integer not null,
+    "is_clear" text not null,
+    constraint "cm_user_course_uq" unique ("profile_id", "course_id")
+);

schema/migrate/M0013-cm-user-duel-list-fix.sql

@@ -0,0 +1,17 @@
+-- This was also not present in the db init scripts...
+create table if not exists "cm_user_duel_list" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "duel_id" integer not null,
+    "progress" integer not null,
+    "point" integer not null,
+    "is_clear" boolean not null,
+    "last_play_date" text not null,
+    "param1" integer not null,
+    "param2" integer not null,
+    "param3" integer not null,
+    "param4" integer not null,
+    constraint "cm_user_duel_list_uq" unique ("profile_id", "duel_id")
+);

schema/migrate/M0014-cm-user-charge.sql

@@ -0,0 +1,14 @@
+create table if not exists "cm_user_charge" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "charge_id" integer not null,
+    "stock" integer not null,
+    "purchase_date" text not null,
+    "valid_date" text not null,
+    "param1" integer not null,
+    "param2" integer not null,
+    "param_date" text not null,
+    constraint "cm_user_charge_uq" unique ("profile_id", "charge_id")
+);

schema/migrate/M0015-cm-user-recent-rating.sql

@@ -0,0 +1,31 @@
+create table if not exists "cm_user_recent_rating" (
+    "id" integer primary key not null,
+    "profile_id" integer not null
+            references "cm_user_data"("id")
+            on delete cascade,
+    "sort_order" integer not null,
+    "music_id" integer not null,
+    "difficult_id" integer not null,
+    "rom_version_code" integer not null,
+    "score" integer not null,
+    constraint "cm_user_recent_rating_uq" unique ("profile_id", "sort_order")
+);
+
+-- Prepopulate this table by backfilling the most recent 30 scores per user.
+-- This isn't exactly correct since not every recent score should go in here, but it's probably close enough.
+INSERT INTO cm_user_recent_rating (profile_id, sort_order, music_id, difficult_id, rom_version_code, score)
+SELECT * FROM (
+    SELECT
+        profile_id,
+        row_number()
+            OVER (PARTITION BY profile_id ORDER BY user_play_date DESC) AS sort_order,
+        music_id,
+        level AS difficult_id,
+        '1030000' AS rom_version_code,
+    score
+    FROM cm_user_playlog
+    WHERE
+        difficult_id < 4    -- skip world's end
+    ORDER BY profile_id ASC, user_play_date DESC
+)
+WHERE sort_order <= 30;

src/aimedb/decoder.test.ts

@@ -105,7 +105,7 @@ test("decode lookup", () => {
 
   const obj = decode(req);
 
-  expect(obj.type).toBe("lookup");
+  expect(obj.type).toBe("lookup2");
   expect(obj.gameId).toBe("SDBT");
   expect(obj.keychipId).toBe("A69E01A9999");
   expect(obj.luid).toBe("01036495850523030676");

src/aimedb/decoder.ts

@@ -31,6 +31,15 @@ function readFeliCaLookupRequest(msg: Buffer): Request.FeliCaLookupRequest {
   };
 }
 
+function readFeliCaLookupRequest2(msg: Buffer): Request.FeliCaLookup2Request {
+  return {
+    ...begin(msg),
+    type: "felica_lookup2",
+    idm: msg.slice(0x0030, 0x0038).toString("hex"),
+    pmm: msg.slice(0x0038, 0x0040).toString("hex"),
+  };
+}
+
 function readLogRequest(msg: Buffer): Request.LogRequest {
   // idk what any of this stuff means yet
   // field20 and field28 appear to be an aime id but that is all.
@@ -98,6 +107,7 @@ readers.set(0x0009, readLogRequest);
 readers.set(0x000b, readCampaignRequest);
 readers.set(0x000d, readRegisterRequest);
 readers.set(0x000f, readLookupRequest2);
+readers.set(0x0011, readFeliCaLookupRequest2);
 readers.set(0x0064, readHelloRequest);
 readers.set(0x0066, readGoodbyeRequest);
 

src/aimedb/encoder.ts

@@ -14,7 +14,7 @@ registerLevels.set("segaid", 2);
 function begin(length: number) {
   const buf = Buffer.alloc(length);
 
-  buf.writeUInt16LE(0xa13e, 0x0000); // Magic?
+  buf.writeUInt16LE(0xa13e, 0x0000); // Magic: aime
   buf.writeUInt16LE(0x3087, 0x0002); // ???
   buf.writeUInt16LE(length, 0x0006);
 
@@ -43,6 +43,18 @@ export class Encoder extends Transform {
 
         break;
 
+      case "felica_lookup2":
+        buf = begin(0x0140);
+        buf.writeUInt16LE(0x0012, 0x0004); // cmd code
+        buf.writeUInt16LE(msg.status, 0x0008);
+        buf.writeInt32LE(msg.aimeId || -1, 0x0020);
+        buf.writeUInt32LE(0xffffffff, 0x0024); // FF
+        buf.writeUInt32LE(0xffffffff, 0x0028); // FF
+        buf.write(msg.accessCode, 0x002c, "hex");
+        buf.writeUInt16LE(0x0001, 0x0037); // 00 01
+
+        break;
+
       case "hello":
         buf = begin(0x0020);
         buf.writeUInt16LE(0x0065, 0x0004); // cmd code

src/aimedb/handler.ts

@@ -46,6 +46,28 @@ function feliCaLookup(
   return { type: req.type, status: 1, accessCode };
 }
 
+async function feliCaLookup2(
+  rep: Repositories,
+  req: Req.FeliCaLookup2Request,
+  now: Date
+): Promise<Res.FeliCaLookup2Response> {
+  debug("FeliCa access code lookup");
+
+  const num = BigInt("0x" + req.idm);
+  let accessCode = num.toString();
+
+  while (accessCode.length < 20) {
+    accessCode = "0" + accessCode;
+  }
+
+  return {
+    type: req.type,
+    status: 1,
+    accessCode,
+    aimeId: await rep.cards().lookup(accessCode, now),
+  };
+}
+
 async function lookup(
   rep: Repositories,
   req: Req.LookupRequest,
@@ -115,6 +137,9 @@ export async function dispatch(
     case "felica_lookup":
       return feliCaLookup(rep, req, now);
 
+    case "felica_lookup2":
+      return feliCaLookup2(rep, req, now);
+
     case "lookup":
       return lookup(rep, req, now);
 

src/aimedb/request.ts

@@ -9,6 +9,12 @@ export interface FeliCaLookupRequest extends AimeRequestBase {
   pmm: string;
 }
 
+export interface FeliCaLookup2Request extends AimeRequestBase {
+  type: "felica_lookup2";
+  idm: string;
+  pmm: string;
+}
+
 export interface RegisterRequest extends AimeRequestBase {
   type: "register";
   luid: string;
@@ -50,6 +56,7 @@ export interface GoodbyeRequest {
 
 export type AimeRequest =
   | FeliCaLookupRequest
+  | FeliCaLookup2Request
   | CampaignRequest
   | GoodbyeRequest
   | HelloRequest

src/aimedb/response.ts

@@ -11,6 +11,12 @@ export interface FeliCaLookupResponse extends AimeResponseBase {
   accessCode: string;
 }
 
+export interface FeliCaLookup2Response extends AimeResponseBase {
+  type: "felica_lookup2";
+  accessCode: string;
+  aimeId?: AimeId;
+}
+
 export interface CampaignResponse extends AimeResponseBase {
   type: "campaign";
 }
@@ -44,6 +50,7 @@ export interface RegisterResponse extends AimeResponseBase {
 
 export type AimeResponse =
   | FeliCaLookupResponse
+  | FeliCaLookup2Response
   | CampaignResponse
   | HelloResponse
   | LogResponse

src/aimedb/sql.ts

@@ -19,8 +19,8 @@ class CardRepositoryImpl implements CardRepository {
       return undefined;
     }
 
-    const id = row.id;
-    const extId = row.ext_id;
+    const id = row.id!;
+    const extId = row.ext_id!;
 
     const touchSql = sql
       .update("aime_player")

src/checkdb.ts

@@ -111,7 +111,7 @@ export default async function checkdb(db: DataSource): Promise<void> {
     const row = await db.transaction(txn => txn.fetchRow(stmt));
 
     if (row !== undefined) {
-      maybe = parseInt(row.schemaver);
+      maybe = parseInt(row.schemaver!);
     }
   } catch (e) {
     return db.transaction(initdb);

src/chunithm/handler/getGameCharge.ts

@@ -1,13 +1,30 @@
+import { GameChargeJson } from "../proto/gameCharge";
 import { Repositories } from "../repo";
 import { GetGameChargeRequest } from "../request/getGameCharge";
 import { GetGameChargeResponse } from "../response/getGameCharge";
+import { CHARGE_IDS } from "../static/charge";
 
 export default async function getGameCharge(
   rep: Repositories,
   req: GetGameChargeRequest
 ): Promise<GetGameChargeResponse> {
+  const gameChargeList: GameChargeJson[] = [];
+
+  for (const [i, charge] of CHARGE_IDS.entries()) {
+    gameChargeList.push({
+      chargeId: charge.id.toString(),
+      orderId: (i+1).toString(),
+      price: charge.price.toString(),
+      salePrice: charge.salePrice.toString(),
+      startDate: "2017-12-05 07:00:00.0",
+      endDate: "2029-12-31 23:59:59.0",
+      saleStartDate: "2017-12-05 07:00:00.0",
+      saleEndDate: "2030-12-31 23:59:59.0"
+    });
+  }
+
   return {
-    length: "0",
-    gameChargeList: [],
+    length: gameChargeList.length.toString(),
+    gameChargeList,
   };
 }

src/chunithm/handler/getGameEvent.ts

@@ -1,14 +1,27 @@
+import { GameEventJson } from "../proto/gameEvent";
 import { Repositories } from "../repo";
 import { GetGameEventRequest } from "../request/getGameEvent";
 import { GetGameEventResponse } from "../response/getGameEvent";
+import { EVENT_IDS } from "../static/event";
 
 export default async function getGameEvent(
   rep: Repositories,
   req: GetGameEventRequest
 ): Promise<GetGameEventResponse> {
+  const gameEventList: GameEventJson[] = [];
+
+  for (const id of EVENT_IDS) {
+    gameEventList.push({
+      type: req.type,
+      id: id.toString(),
+      startDate: "2017-12-05 07:00:00.0",
+      endDate: "2099-12-31 00:00:00.0",
+    });
+  }
+
   return {
     type: req.type,
-    length: "0",
-    gameEventList: [],
+    length: gameEventList.length.toString(),
+    gameEventList,
   };
 }

src/chunithm/handler/getGameSetting.ts

@@ -1,3 +1,4 @@
+import { writeDate } from "../proto/base";
 import { Repositories } from "../repo";
 import { GetGameSettingRequest } from "../request/getGameSetting";
 import { GetGameSettingResponse } from "../response/getGameSetting";
@@ -6,19 +7,25 @@ export default async function getGameSetting(
   rep: Repositories,
   req: GetGameSettingRequest
 ): Promise<GetGameSettingResponse> {
+  const rebootStartTime = new Date();
+  rebootStartTime.setHours(rebootStartTime.getHours() - 3);
+
+  const rebootEndTime = new Date();
+  rebootEndTime.setHours(rebootEndTime.getHours() - 2);
+
   return {
     gameSetting: {
       dataVersion: "1",
       isMaintenance: "false",
       requestInterval: "10",
-      rebootStartTime: "0",
-      rebootEndTime: "0",
+      rebootStartTime: writeDate(rebootStartTime),
+      rebootEndTime: writeDate(rebootEndTime),
       isBackgroundDistribute: "false",
-      maxCountCharacter: "999",
-      maxCountItem: "999",
-      maxCountMusic: "999",
+      maxCountCharacter: "300",
+      maxCountItem: "300",
+      maxCountMusic: "100",
     },
     isDumpUpload: "false",
-    isAou: "false",
+    isAou: "true",
   };
 }

src/chunithm/handler/getUserCharge.ts

@@ -1,3 +1,5 @@
+import { readAimeId } from "../proto/base";
+import { writeUserCharge } from "../proto/userCharge";
 import { Repositories } from "../repo";
 import { GetUserChargeRequest } from "../request/getUserCharge";
 import { GetUserChargeResponse } from "../response/getUserCharge";
@@ -6,9 +8,14 @@ export default async function getUserCharge(
   rep: Repositories,
   req: GetUserChargeRequest
 ): Promise<GetUserChargeResponse> {
+  const aimeId = readAimeId(req.userId);
+
+  const profileId = await rep.userData().lookup(aimeId);
+  const items = await rep.userCharge().load(profileId);
+
   return {
     userId: req.userId,
-    length: "0",
-    userChargeList: [],
+    length: items.length.toString(),
+    userChargeList: items.map(writeUserCharge),
   };
 }

src/chunithm/handler/getUserCourse.ts

@@ -18,7 +18,6 @@ export default async function getUserCourse(
     .userCourse()
     .load(profileId, { limit: maxCount, offset: nextIndex });
 
-
   return {
     userId: req.userId,
     length: items.length.toString(),

src/chunithm/handler/getUserFavoriteMusic.ts

@@ -0,0 +1,23 @@
+import { Repositories } from "../repo";
+import { GetUserFavoriteMusicRequest } from "../request/getUserFavoriteMusic";
+import { GetUserFavoriteMusicResponse } from "../response/getUserFavoriteMusic";
+import { readAimeId } from "../proto/base";
+
+export default async function getUserFavoriteMusic(
+  rep: Repositories,
+  req: GetUserFavoriteMusicRequest
+): Promise<GetUserFavoriteMusicResponse> {
+  const aimeId = readAimeId(req.userId);
+
+  const profileId = await rep.userData().lookup(aimeId);
+
+  /*
+   * `Chunithm Amazon Plus` does not appear to save a favorites list and there
+   * is no user-accessible favorites function from what I can tell.
+   */
+  return {
+    userId: req.userId,
+    length: "0",
+    userFavoriteMusicList: [],
+  };
+}

src/chunithm/handler/getUserItem.ts

@@ -47,7 +47,7 @@ export default async function getUserItem(
 
   // Pack the next pagination cookie into bigint compound form
 
-  const xout = itemKindN * itemKindMul + BigInt(maxCount + items.length);
+  const xout = itemKindN * itemKindMul + nextIndexN + BigInt(items.length);
 
   // Done:
 

src/chunithm/handler/getUserRecentRating.ts

@@ -2,7 +2,7 @@ import { Repositories } from "../repo";
 import { GetUserRecentRatingRequest } from "../request/getUserRecentRating";
 import { GetUserRecentRatingResponse } from "../response/getUserRecentRating";
 import { readAimeId } from "../proto/base";
-import { writeUserRecentRatingFromLog } from "../proto/userRecentRating";
+import { writeUserRecentRating } from "../proto/userRecentRating";
 
 export default async function getUserRecentRating(
   rep: Repositories,
@@ -12,11 +12,11 @@ export default async function getUserRecentRating(
 
   const profileId = await rep.userData().lookup(aimeId);
   // Return recent 30 plays to calculate rating
-  const items = await rep.userPlaylog().loadLatest(profileId, 30);
+  const items = await rep.userRecentRating().load(profileId);
 
   return {
     userId: req.userId,
     length: items.length.toString(),
-    userRecentRatingList: items.map(writeUserRecentRatingFromLog),
+    userRecentRatingList: items.map(writeUserRecentRating),
   };
 }

src/chunithm/handler/index.ts

@@ -18,6 +18,7 @@ import getUserCourse from "./getUserCourse";
 import getUserData from "./getUserData";
 import getUserDataEx from "./getUserDataEx";
 import getUserDuel from "./getUserDuel";
+import getUserFavoriteMusic from "./getUserFavoriteMusic";
 import getUserItem from "./getUserItem";
 import getUserMap from "./getUserMap";
 import getUserMusic from "./getUserMusic";
@@ -32,6 +33,7 @@ import upsertClientError from "./upsertClientError";
 import upsertClientSetting from "./upsertClientSetting";
 import upsertClientTestmode from "./upsertClientTestmode";
 import upsertUserAll from "./upsertUserAll";
+import upsertUserChargelogApi from "./upsertUserChargelogApi";
 import createSqlWrapper from "../sql";
 import { DataSource } from "../../sql";
 
@@ -98,12 +100,14 @@ export default function chunithm(db: DataSource) {
   wrapper.rpc("/GetUserDataApi", getUserData);
   wrapper.rpc("/GetUserDataExApi", getUserDataEx);
   wrapper.rpc("/GetUserDuelApi", getUserDuel);
+  wrapper.rpc("/GetUserFavoriteMusicApi", getUserFavoriteMusic);
   wrapper.rpc("/GetUserItemApi", getUserItem);
   wrapper.rpc("/GetUserMapApi", getUserMap);
   wrapper.rpc("/GetUserMusicApi", getUserMusic);
   wrapper.rpc("/GetUserOptionApi", getUserOption);
   wrapper.rpc("/GetUserOptionExApi", getUserOptionEx);
   wrapper.rpc("/GetUserPreviewApi", getUserPreview);
+  wrapper.rpc("/GetUserRecentPlayerApi", getUserRecentRating);
   wrapper.rpc("/GetUserRecentRatingApi", getUserRecentRating);
   wrapper.rpc("/GetUserRegionApi", getUserRegion);
   wrapper.rpc("/UpsertClientBookkeepingApi", upsertClientBookkeeping);
@@ -112,6 +116,7 @@ export default function chunithm(db: DataSource) {
   wrapper.rpc("/UpsertClientSettingApi", upsertClientSetting);
   wrapper.rpc("/UpsertClientTestmodeApi", upsertClientTestmode);
   wrapper.rpc("/UpsertUserAllApi", upsertUserAll);
+  wrapper.rpc("/UpsertUserChargelogApi", upsertUserChargelogApi)
 
   const app = express();
 

src/chunithm/handler/upsertUserAll.ts

@@ -13,6 +13,8 @@ import { readUserActivity } from "../proto/userActivity";
 import { readUserDataEx } from "../proto/userDataEx";
 import { readUserDuelList } from "../proto/userDuelList";
 import { readUserPlaylog } from "../proto/userPlaylog";
+import { readUserCharge } from "../proto/userCharge";
+import { readUserRecentRating } from "../proto/userRecentRating";
 import { readUserCourse } from "../proto/userCourse";
 
 // It shouldn't need to be said really, but seeing as this message (A) requires
@@ -67,6 +69,10 @@ export default async function upsertUserAll(
     await rep.userPlaylog().save(profileId, readUserPlaylog(item));
   }
 
+  for (const item of payload.userChargeList || []) {
+    await rep.userCharge().save(profileId, readUserCharge(item));
+  }
+
   for (const item of payload.userCourseList || []) {
     await rep.userCourse().save(profileId, readUserCourse(item));
   }
@@ -79,5 +85,12 @@ export default async function upsertUserAll(
     await rep.userDuelList().save(profileId, readUserDuelList(item));
   }
 
+  await rep
+    .userRecentRating()
+    .save(
+      profileId,
+      (payload.userRecentRatingList || []).map(readUserRecentRating)
+    );
+
   return { returnCode: "1" };
 }

src/chunithm/handler/upsertUserChargelogApi.ts

@@ -0,0 +1,12 @@
+import { Repositories } from "../repo";
+import { UpsertUserChargelogApiRequest } from "../request/upsertUserChargelogApi";
+import { UpsertUserChargelogApiResponse } from "../response/upsertUserChargelogApi";
+
+export default async function UpsertUserChargelogApi(
+  rep: Repositories,
+  req: UpsertUserChargelogApiRequest
+): Promise<UpsertUserChargelogApiResponse> {
+  return {
+    returnCode: "1",
+  };
+}

src/chunithm/model/userCharge.ts

@@ -0,0 +1,9 @@
+export interface UserChargeItem {
+  chargeId: number;
+  stock: number;
+  purchaseDate: Date;
+  validDate: Date;
+  param1: number;
+  param2: number;
+  paramDate: Date;
+}

src/chunithm/proto/userCharge.ts

@@ -0,0 +1,20 @@
+import { Crush, readDate, writeObject } from "./base";
+import { UserChargeItem } from "../model/userCharge";
+
+export type UserChargeJson = Crush<UserChargeItem>;
+
+export function readUserCharge(json: UserChargeJson): UserChargeItem {
+  return {
+    chargeId: parseInt(json.chargeId),
+    stock: parseInt(json.stock),
+    purchaseDate: readDate(json.purchaseDate),
+    validDate: readDate(json.validDate),
+    param1: parseInt(json.param1),
+    param2: parseInt(json.param2),
+    paramDate: readDate(json.paramDate),
+  };
+}
+
+export function writeUserCharge(obj: UserChargeItem): UserChargeJson {
+  return writeObject(obj);
+}

src/chunithm/proto/userRecentRating.ts

@@ -20,15 +20,3 @@ export function writeUserRecentRating(
 ): UserRecentRatingJson {
   return writeObject(obj);
 }
-
-export function writeUserRecentRatingFromLog(
-  obj: UserPlaylogItem
-): UserRecentRatingJson {
-  return {
-    musicId: obj.musicId.toString(),
-    difficultId: obj.level.toString(),
-    // game version not saved in play log, just return a fixed version now
-    romVersionCode: "1030000",
-    score: obj.score.toString(),
-  };
-}

src/chunithm/repo/index.ts

@@ -1,9 +1,8 @@
-import { UserCourseRepository } from "./userCourse";
-
 export { Page } from "./_defs";
 
 import { UserActivityRepository } from "./userActivity";
 import { UserCharacterRepository } from "./userCharacter";
+import { UserCourseRepository } from "./userCourse";
 import { UserDataRepository } from "./userData";
 import { UserDataExRepository } from "./userDataEx";
 import { UserDuelListRepository } from "./userDuelList";
@@ -13,12 +12,16 @@ import { UserItemRepository } from "./userItem";
 import { UserMapRepository } from "./userMap";
 import { UserMusicRepository } from "./userMusic";
 import { UserPlaylogRepository } from "./userPlaylog";
+import { UserChargeRepository } from "./userCharge";
+import { UserRecentRatingRepository } from "./userRecentRating";
 
 export interface Repositories {
   userActivity(): UserActivityRepository;
 
   userCharacter(): UserCharacterRepository;
 
+  userCourse(): UserCourseRepository;
+
   userData(): UserDataRepository;
 
   userDataEx(): UserDataExRepository;
@@ -37,5 +40,9 @@ export interface Repositories {
 
   userPlaylog(): UserPlaylogRepository;
 
+  userCharge(): UserChargeRepository;
+
   userCourse(): UserCourseRepository;
+
+  userRecentRating(): UserRecentRatingRepository;
 }

src/chunithm/repo/userCharge.ts

@@ -0,0 +1,4 @@
+import { UserChargeItem } from "../model/userCharge";
+import { RepositoryN } from "./_defs";
+
+export type UserChargeRepository = RepositoryN<UserChargeItem>;

src/chunithm/repo/userRecentRating.ts

@@ -0,0 +1,12 @@
+import { UserDataItem } from "../model/userData";
+import { UserRecentRatingItem } from "../model/userRecentRating";
+import { Id } from "../../model";
+
+export interface UserRecentRatingRepository {
+  load(profileId: Id<UserDataItem>): Promise<UserRecentRatingItem[]>;
+
+  save(
+    profileId: Id<UserDataItem>,
+    objs: UserRecentRatingItem[]
+  ): Promise<void>;
+}

src/chunithm/request/getUserFavoriteMusic.ts

@@ -0,0 +1,4 @@
+export interface GetUserFavoriteMusicRequest {
+  /** Integer, AiMe ID */
+  userId: string;
+}

src/chunithm/request/upsertUserAll.ts

@@ -8,6 +8,7 @@ import { UserMusicDetailJson } from "../proto/userMusic";
 import { UserActivityJson } from "../proto/userActivity";
 import { UserRecentRatingJson } from "../proto/userRecentRating";
 import { UserPlaylogJson } from "../proto/userPlaylog";
+import { UserChargeJson } from "../proto/userCharge";
 import { UserCourseJson } from "../proto/userCourse";
 import { UserDataExJson } from "../proto/userDataEx";
 import { UserDuelListJson } from "../proto/userDuelList";
@@ -27,6 +28,7 @@ export interface UpsertUserAllRequest {
     userActivityList?: UserActivityJson[];
     userRecentRatingList?: UserRecentRatingJson[];
     userPlaylogList?: UserPlaylogJson[];
+    userChargeList?: UserChargeJson[];
     userCourseList?: UserCourseJson[];
     userDataEx?: UserDataExJson[];
     userDuelList?: UserDuelListJson[];

src/chunithm/request/upsertUserChargelogApi.ts

@@ -0,0 +1,24 @@
+export interface UpsertUserChargelogApiRequest {
+    userId: string;
+
+    userChargelog: {
+        chargeId: string,
+        price: string,
+        purchaseDate: Date,
+        playCount: string,
+        playerRating: string,
+        placeId: string,
+        regionId: string,
+        clientId: string
+    };
+
+    userCharge: {
+        chargeId: string,
+        stock: string,
+        purchaseDate: Date,
+        validDate: Date,
+        param1: string,
+        param2: string,
+        paramDate: Date
+    };
+}

src/chunithm/response/getUserCharge.ts

@@ -1,3 +1,5 @@
+import { UserChargeJson } from "../proto/userCharge";
+
 export interface GetUserChargeResponse {
   /** Integer, AiMe ID */
   userId: string;
@@ -5,6 +7,5 @@ export interface GetUserChargeResponse {
   /** Integer, number of results returned */
   length: string;
 
-  /** TBD */
-  userChargeList: [];
+  userChargeList: UserChargeJson[];
 }

src/chunithm/response/getUserFavoriteMusic.ts

@@ -0,0 +1,10 @@
+export interface GetUserFavoriteMusicResponse {
+  /** Integer, AiMe ID */
+  userId: string;
+
+  /** Integer, number of results returned */
+  length: string;
+
+  /** TBD */
+  userFavoriteMusicList: [];
+}

src/chunithm/response/upsertUserChargelogApi.ts

@@ -0,0 +1,3 @@
+export interface UpsertUserChargelogApiResponse {
+    returnCode: string;
+}

src/chunithm/sql/_factory.ts

@@ -1,5 +1,7 @@
 import { SqlUserActivityRepository } from "./userActivity";
 import { SqlUserCharacterRepository } from "./userCharacter";
+import { SqlUserChargeRepository } from "./userCharge";
+import { SqlUserCourseRepository } from "./userCourse";
 import { SqlUserDataRepository } from "./userData";
 import { SqlUserDataExRepository } from "./userDataEx";
 import { SqlUserDuelListRepository } from "./userDuelList";
@@ -9,9 +11,12 @@ import { SqlUserItemRepository } from "./userItem";
 import { SqlUserMapRepository } from "./userMap";
 import { SqlUserMusicRepository } from "./userMusic";
 import { SqlUserPlaylogRepository } from "./userPlaylog";
+import { SqlUserRecentRatingRepository } from "./userRecentRating";
 import { Repositories } from "../repo";
 import { UserActivityRepository } from "../repo/userActivity";
 import { UserCharacterRepository } from "../repo/userCharacter";
+import { UserChargeRepository } from "../repo/userCharge";
+import { UserCourseRepository } from "../repo/userCourse";
 import { UserDataRepository } from "../repo/userData";
 import { UserDataExRepository } from "../repo/userDataEx";
 import { UserDuelListRepository } from "../repo/userDuelList";
@@ -21,9 +26,8 @@ import { UserItemRepository } from "../repo/userItem";
 import { UserMapRepository } from "../repo/userMap";
 import { UserMusicRepository } from "../repo/userMusic";
 import { UserPlaylogRepository } from "../repo/userPlaylog";
+import { UserRecentRatingRepository } from "../repo/userRecentRating";
 import { Transaction } from "../../sql";
-import { UserCourseRepository } from "../repo/userCourse";
-import { SqlUserCourseRepository } from "./userCourse";
 
 export class SqlRepositories implements Repositories {
   constructor(private readonly _txn: Transaction) {}
@@ -36,6 +40,14 @@ export class SqlRepositories implements Repositories {
     return new SqlUserCharacterRepository(this._txn);
   }
 
+  userCharge(): UserChargeRepository {
+    return new SqlUserChargeRepository(this._txn);
+  }
+
+  userCourse(): UserCourseRepository {
+    return new SqlUserCourseRepository(this._txn);
+  }
+
   userData(): UserDataRepository {
     return new SqlUserDataRepository(this._txn);
   }
@@ -72,7 +84,7 @@ export class SqlRepositories implements Repositories {
     return new SqlUserPlaylogRepository(this._txn);
   }
 
-  userCourse(): UserCourseRepository {
-    return new SqlUserCourseRepository(this._txn);
+  userRecentRating(): UserRecentRatingRepository {
+    return new SqlUserRecentRatingRepository(this._txn);
   }
 }

src/chunithm/sql/userActivity.ts

@@ -28,7 +28,9 @@ export class SqlUserActivityRepository implements UserActivityRepository {
       .select("*")
       .from("cm_user_activity")
       .where("profile_id", profileId)
-      .where("kind", kind);
+      .where("kind", kind)
+      .orderBy("sort_number DESC")
+      .limit(100);
 
     const rows = await this._txn.fetchRows(stmt);
 

src/chunithm/sql/userCharge.ts

@@ -0,0 +1,47 @@
+import sql from "sql-bricks-postgres";
+import { createSqlMapper, T } from "../../sql/util";
+import { UserChargeRepository } from "../repo/userCharge";
+import { Id } from "../../model";
+import { Page } from "../repo";
+import { UserDataItem } from "../model/userData";
+import { UserChargeItem } from "../model/userCharge";
+import { Transaction } from "../../sql";
+
+const { readRow, writeRow, colNames } = createSqlMapper({
+  chargeId: T.number,
+  stock: T.number,
+  purchaseDate: T.Date,
+  validDate: T.Date,
+  param1: T.number,
+  param2: T.number,
+  paramDate: T.Date,
+});
+
+export class SqlUserChargeRepository implements UserChargeRepository {
+  constructor(private readonly _txn: Transaction) {}
+
+  async load(profileId: Id<UserDataItem>): Promise<UserChargeItem[]> {
+    const stmt = sql
+      .select("*")
+      .from("cm_user_charge")
+      .where("profile_id", profileId);
+
+    const rows = await this._txn.fetchRows(stmt);
+
+    return rows.map(readRow);
+  }
+
+  save(profileId: Id<UserDataItem>, obj: UserChargeItem): Promise<void> {
+    const stmt = sql
+      .insert("cm_user_charge", {
+        id: this._txn.generateId(),
+        profile_id: profileId,
+        ...writeRow(obj),
+      })
+      .onConflict("profile_id", "charge_id")
+      .doUpdate(colNames);
+
+    return this._txn.modify(stmt);
+  }
+
+}

src/chunithm/sql/userCourse.ts

@@ -37,7 +37,10 @@ export class SqlUserCourseRepository implements UserCourseRepository {
       .from("cm_user_course")
       .where("profile_id", profileId);
 
-    if (page) {
+    /**
+     * UserCourse has no paging before CHUNITHM Amazon
+     */
+    if (page && !isNaN(page.limit)) {
       stmt.limit(page.limit).offset(page.offset);
     }
 

src/chunithm/sql/userDataEx.ts

@@ -56,7 +56,47 @@ export class SqlUserDataExRepository implements UserDataExRepository {
     const row = await this._txn.fetchRow(stmt);
 
     if (row === undefined) {
-      throw new Error("UserDataEx record not found");
+      /**
+       * When upgrading from CHUNITHM Star Plus & earlier
+       * to Amazon, there is no UserDataEx, so we return
+       * a "default" row.
+       */
+      return {
+        compatibleCmVersion: "",
+        medal: 0,
+        mapIconId: 0,
+        voiceId: 0,
+        ext1: 0,
+        ext2: 0,
+        ext3: 0,
+        ext4: 0,
+        ext5: 0,
+        ext6: 0,
+        ext7: 0,
+        ext8: 0,
+        ext9: 0,
+        ext10: 0,
+        ext11: 0,
+        ext12: 0,
+        ext13: 0,
+        ext14: 0,
+        ext15: 0,
+        ext16: 0,
+        ext17: 0,
+        ext18: 0,
+        ext19: 0,
+        ext20: 0,
+        extStr1: "",
+        extStr2: "",
+        extStr3: "",
+        extStr4: "",
+        extStr5: "",
+        extLong1: 0n,
+        extLong2: 0n,
+        extLong3: 0n,
+        extLong4: 0n,
+        extLong5: 0n,
+      };
     }
 
     return readRow(row);

src/chunithm/sql/userMusic.ts

@@ -34,14 +34,22 @@ export class SqlUserMusicRepository implements UserMusicRepository {
     profileId: Id<UserDataItem>,
     page?: Page
   ): Promise<UserMusicDetailItem[]> {
+    const preStmt = sql
+      .select("DISTINCT(music_id)")
+      .from("cm_user_music")
+      .where("profile_id", profileId)
+      .orderBy("music_id");
+    if (page) {
+      preStmt.limit(page.limit).offset(page.offset);
+    }
+    const preRows = await this._txn.fetchRows(preStmt);
+    const musicIds = preRows.map(r => r.music_id);
+
     const stmt = sql
       .select("*")
       .from("cm_user_music")
-      .where("profile_id", profileId);
-
-    if (page) {
-      stmt.limit(page.limit).offset(page.offset);
-    }
+      .where("profile_id", profileId)
+      .and(sql.in('music_id', musicIds));
 
     const rows = await this._txn.fetchRows(stmt);
 

src/chunithm/sql/userRecentRating.ts

@@ -0,0 +1,60 @@
+import sql from "sql-bricks-postgres";
+
+import { Id } from "../../model";
+import { UserDataItem } from "../model/userData";
+import { UserRecentRatingItem } from "../model/userRecentRating";
+import { UserRecentRatingRepository } from "../repo/userRecentRating";
+import { Transaction } from "../../sql";
+import { T, createSqlMapper } from "../../sql/util";
+
+const { readRow, writeRow, colNames } = createSqlMapper({
+  musicId: T.number,
+  difficultId: T.number,
+  romVersionCode: T.number,
+  score: T.number,
+});
+
+export class SqlUserRecentRatingRepository
+  implements UserRecentRatingRepository {
+  constructor(private readonly _txn: Transaction) {}
+
+  async load(profileId: Id<UserDataItem>): Promise<UserRecentRatingItem[]> {
+    const stmt = sql
+      .select("music_id", "difficult_id", "rom_version_code", "score")
+      .from("cm_user_recent_rating")
+      .where("profile_id", profileId)
+      .order("sort_order ASC");
+
+    const rows = await this._txn.fetchRows(stmt);
+
+    return rows.map(readRow);
+  }
+
+  save(
+    profileId: Id<UserDataItem>,
+    objs: UserRecentRatingItem[]
+  ): Promise<void> {
+    // Don't do anything if there's nothing to save,
+    // since trying to execute an empty insert statement fails.
+    if (objs.length === 0) {
+      return Promise.resolve();
+    }
+
+    const stmt = sql
+      .insert(
+        "cm_user_recent_rating",
+        objs.map((obj, idx) => {
+          return {
+            id: this._txn.generateId(),
+            profile_id: profileId,
+            sort_order: idx + 1,
+            ...writeRow(obj),
+          };
+        })
+      )
+      .onConflict("profile_id", "sort_order")
+      .doUpdate(colNames);
+
+    return this._txn.modify(stmt);
+  }
+}

src/chunithm/static/charge.ts

@@ -0,0 +1,17 @@
+export const CHARGE_IDS = Object.freeze([
+  {
+    id: 2310, //World's End ticket x5
+    price: 1,
+    salePrice: 1,
+  },
+  {
+    id: 2060, //4x bonus ticket
+    price: 1,
+    salePrice: 1,
+  },
+  {
+    id: 2230, //6 songs premium ticket
+    price: 2,
+    salePrice: 2,
+  },
+]);

src/chunithm/static/event.ts

@@ -0,0 +1,854 @@
+export const EVENT_IDS = Object.freeze([
+  // A000
+  0,
+  1506,
+  1604,
+  1702,
+  1953,
+  2206,
+  2353,
+  2553,
+  2804,
+  2999,
+  3000,
+  3001,
+  3002,
+  3003,
+  3006,
+  3007,
+  3008,
+  3009,
+  3010,
+  3011,
+  3012,
+  3013,
+  3014,
+  3015,
+  3016,
+  3017,
+  3018,
+  3019,
+  3020,
+  3021,
+  3026,
+  3027,
+  20003,
+
+  // A014
+  3004,
+  3005,
+  3022,
+  3023,
+  3024,
+  3025,
+  3028,
+  3029,
+  3030,
+  3031,
+  3032,
+  3100,
+  3101,
+  3102,
+  3103,
+  3104,
+  3150,
+  3151,
+  3152,
+  3153,
+  3154,
+  3155,
+  3156,
+  3157,
+  3158,
+  3159,
+  3160,
+  3161,
+  3162,
+  3163,
+  3164,
+  3165,
+  3166,
+  3167,
+  3168,
+  3169,
+  3200,
+  3201,
+  3202,
+  3203,
+  3204,
+  3205,
+  3206,
+  3207,
+  3208,
+  3209,
+  3210,
+  3211,
+  3212,
+  3213,
+  3214,
+  3215,
+  3216,
+  3217,
+  3218,
+  3219,
+  3250,
+  3251,
+  3252,
+  3253,
+  3254,
+  3255,
+  3256,
+  3257,
+  3258,
+  3259,
+  3260,
+  3261,
+  3262,
+  3263,
+  3300,
+  3301,
+  3302,
+  3303,
+  3304,
+  3305,
+  3306,
+  3307,
+  3308,
+  3309,
+  3310,
+  3311,
+  3350,
+  3351,
+  3352,
+  3353,
+  3400,
+  3401,
+  3402,
+  3403,
+  3404,
+  3405,
+  3406,
+  3407,
+  3408,
+  3409,
+  3410,
+  3411,
+  3412,
+  3413,
+  3414,
+  3415,
+  3416,
+  3417,
+  3450,
+  3451,
+  3452,
+  3453,
+  3454,
+  3455,
+
+  // A017
+  3500,
+  3501,
+  3502,
+  3503,
+  3504,
+  3505,
+  3506,
+  3507,
+  3508,
+  3509,
+  3510,
+  3511,
+  3512,
+  3513,
+  3514,
+  3515,
+  3550,
+  3551,
+  3552,
+  3553,
+  3554,
+  3555,
+  3556,
+  3557,
+  3580,
+  3581,
+
+  // Other event IDs for Chunithm Amazon
+  1,
+  10,
+  11,
+  100,
+  101,
+  102,
+  103,
+  200,
+  201,
+  202,
+  203,
+  300,
+  301,
+  400,
+  401,
+  500,
+  501,
+  700,
+  701,
+  810,
+  820,
+  821,
+  830,
+  831,
+  832,
+  834,
+  835,
+  840,
+  841,
+  842,
+  843,
+  850,
+  851,
+  852,
+  853,
+  860,
+  861,
+  862,
+  863,
+  864,
+  865,
+  870,
+  871,
+  872,
+  873,
+  880,
+  890,
+  891,
+  900,
+  901,
+  902,
+  903,
+  904,
+  905,
+  906,
+  907,
+  908,
+  909,
+  910,
+  911,
+  912,
+  913,
+  914,
+  915,
+  916,
+  917,
+  918,
+  930,
+  931,
+  932,
+  933,
+  934,
+  935,
+  936,
+  937,
+  938,
+  939,
+  940,
+  941,
+  942,
+  943,
+  944,
+  945,
+  946,
+  947,
+  960,
+  961,
+  962,
+  963,
+  964,
+  965,
+  966,
+  967,
+  968,
+  969,
+  990,
+  991,
+  992,
+  993,
+  994,
+  995,
+  996,
+  997,
+  998,
+  999,
+  1000,
+  1001,
+  1002,
+  1003,
+  1004,
+  1005,
+  1006,
+  1020,
+  1021,
+  1022,
+  1023,
+  1024,
+  1025,
+  1026,
+  1027,
+  1028,
+  1029,
+  1030,
+  1031,
+  1050,
+  1051,
+  1052,
+  1053,
+  1054,
+  1055,
+  1056,
+  1057,
+  1058,
+  1059,
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+  2902,
+  2903,
+  2950,
+  2951,
+  2952,
+  2953,
+  8001,
+  20000,
+  20001,
+  20002,
+  20004,
+]);

src/idz/common/aes.ts

@@ -0,0 +1,43 @@
+import { Decipher, Cipher, createCipheriv, createDecipheriv } from "crypto";
+
+import { ByteStream } from "../../util/stream";
+
+export const BLOCK_SIZE = 16;
+
+export default class AesEcbStream implements ByteStream {
+  private readonly _dec: Decipher;
+  private readonly _enc: Cipher;
+
+  constructor(private _stm: ByteStream, keybuf: Buffer) {
+    this._dec = createDecipheriv("aes-128-ecb", keybuf, null).setAutoPadding(
+      false
+    );
+    this._enc = createCipheriv("aes-128-ecb", keybuf, null).setAutoPadding(
+      false
+    );
+  }
+
+  close() {
+    this._stm.close();
+  }
+
+  async read(nbytes: number): Promise<Buffer> {
+    if (nbytes % BLOCK_SIZE !== 0) {
+      throw new Error("Attempted to read partial cipher block");
+    }
+
+    const ciphertext = await this._stm.read(nbytes);
+
+    return this._dec.update(ciphertext);
+  }
+
+  async write(buf: Buffer): Promise<void> {
+    if (buf.length % BLOCK_SIZE !== 0) {
+      throw new Error("Attempted to write partial cipher block");
+    }
+
+    const ciphertext = this._enc.update(buf);
+
+    await this._stm.write(ciphertext);
+  }
+}

src/idz/common/bigint.ts

@@ -1,4 +1,17 @@
-export function byteString(n: bigint, length: number) {
+export function readBigInt(buf: Buffer) {
+  let result = 0n;
+
+  for (let i = 0; i < buf.length; i++) {
+    const shift = 8n * BigInt(i);
+    const byte = buf.readUInt8(i);
+
+    result |= BigInt(byte) << shift;
+  }
+
+  return result;
+}
+
+export function writeBigInt(n: bigint, length: number) {
   const result = Buffer.alloc(length);
 
   for (let i = 0; i < length; i++) {

src/idz/common/index.ts

@@ -0,0 +1,4 @@
+import setup from "./setup";
+
+export { BLOCK_SIZE } from "./aes";
+export default setup;

src/idz/common/setup.ts

@@ -0,0 +1,70 @@
+import { Socket } from "net";
+
+import AesEcbStream from "./aes";
+import { readBigInt, modPow, writeBigInt } from "./bigint";
+import IoByteStream from "../../util/stream";
+
+interface RsaKey {
+  N: bigint;
+  d: bigint;
+  e: bigint;
+  hashN: number;
+}
+
+// Proof-of-concept, so we only ever use one of the ten RSA key pairs
+const rsaKey = {
+  N: 4922323266120814292574970172377860734034664704992758249880018618131907367614177800329506877981986877921220485681998287752778495334541127048495486311792061n,
+  d: 1163847742215766215216916151663017691387519688859977157498780867776436010396072628219119707788340687440419444081289736279466637153082223960965411473296473n,
+  e: 3961365081960959178294197133768419551060435043430437330799371731939550352626564261219865471710058480523874787120718634318364066605378505537556570049131337n,
+  hashN: 2662304617,
+};
+
+// Proof-of-concept, so we only use one fixed session key
+const aesKey = Buffer.from("ffddeeccbbaa99887766554433221100", "hex");
+
+function writeServerHello(aesKey: Buffer, rsaKey: RsaKey) {
+  const M = readBigInt(aesKey);
+  const keyEnc = modPow(M, rsaKey.e, rsaKey.N);
+  const result = Buffer.alloc(0x48);
+
+  result.set(writeBigInt(keyEnc, 0x40), 0x00);
+  result.writeUInt32LE(0x01020304, 0x40); // Meaning is unknown
+  result.writeUInt32LE(rsaKey.hashN, 0x44);
+
+  return result;
+}
+
+function readClientHello(buf: Buffer) {
+  const magic = buf.readUInt32LE(0x00);
+
+  if (magic !== 0x01020304) {
+    throw new Error(
+      "Invalid magic number, cryptographic processing probably incorrect."
+    );
+  }
+
+  return {
+    pcbId: buf.slice(0x04, 0x0f).toString("ascii"),
+    protocol: buf.slice(0x10, 0x13).toString("ascii"),
+    model: buf.slice(0x18, 0x0c).toString("ascii"),
+  };
+}
+
+export default async function setup(socket: Socket) {
+  const tcpStream = new IoByteStream(socket);
+  const serverHello = writeServerHello(aesKey, rsaKey);
+
+  await tcpStream.write(serverHello);
+
+  const aesStream = new AesEcbStream(tcpStream, aesKey);
+
+  const response = await aesStream.read(0x30);
+
+  if (response.length !== 0x30) {
+    throw new Error("Truncated client hello");
+  }
+
+  const clientHello = readClientHello(response);
+
+  return { aesStream, clientHello };
+}

src/idz/index.ts

@@ -1,35 +0,0 @@
-import logger from "debug";
-import { Socket } from "net";
-
-import { dispatch } from "./handler";
-import { setup } from "./setup";
-import { DataSource } from "../sql";
-import { SqlRepositories } from "./sql";
-
-const debug = logger("app:idz:session");
-
-export default function idz(db: DataSource) {
-  return async function(socket: Socket) {
-    const { input, output } = setup(socket);
-
-    debug("Connection opened");
-
-    try {
-      for await (const req of input) {
-        const res = await db.transaction(txn =>
-          dispatch(new SqlRepositories(txn), req)
-        );
-
-        output.write(res);
-      }
-    } catch (e) {
-      if (debug.enabled) {
-        debug("Error: %s", e.stack);
-      }
-    }
-
-    debug("Connection closed");
-
-    input.end();
-  };
-}

src/idz/setup.ts

@@ -1,75 +0,0 @@
-import { createCipheriv, createDecipheriv } from "crypto";
-import { Socket } from "net";
-import { pipeline as pipelineWithCallback } from "stream";
-import { promisify } from "util";
-
-import { byteString, modPow } from "./bigint";
-import { Decoder } from "./decoder";
-import { Encoder } from "./encoder";
-import { Request } from "./request";
-import { Response } from "./response";
-
-// Drops the stupid mandatory callback parameter crap
-
-const pipeline = promisify(pipelineWithCallback);
-
-// Proof-of-concept, so we only ever use one of the ten RSA key pairs
-// (SEGA shipped their central server private keys for god knows what reason)
-
-const key = {
-  N: 4922323266120814292574970172377860734034664704992758249880018618131907367614177800329506877981986877921220485681998287752778495334541127048495486311792061n,
-  d: 1163847742215766215216916151663017691387519688859977157498780867776436010396072628219119707788340687440419444081289736279466637153082223960965411473296473n,
-  e: 3961365081960959178294197133768419551060435043430437330799371731939550352626564261219865471710058480523874787120718634318364066605378505537556570049131337n,
-  hashN: 2662304617,
-};
-
-// Proof-of-concept, so we only use one fixed session key
-const sessionKey = 0xffddeeccbbaa99887766554433221100n;
-
-interface Session {
-  input: AsyncIterable<Request> & {
-    end: () => void;
-  };
-  output: {
-    write: (res: Response) => void;
-  };
-}
-
-function doNothing() {}
-
-export function setup(socket: Socket): Session {
-  //
-  // Construct and transmit setup message
-  //
-
-  const keyEnc = modPow(sessionKey, key.e, key.N);
-  const msg = Buffer.alloc(0x48);
-
-  msg.set(byteString(keyEnc, 0x40), 0x00);
-  msg.writeUInt32LE(0x01020304, 0x40); // Meaning of this field is unknown
-  msg.writeUInt32LE(key.hashN, 0x44);
-
-  socket.write(msg);
-
-  //
-  // Set up pipeline
-  //
-
-  const input = new Decoder();
-  const output = new Encoder();
-  const keybuf = byteString(sessionKey, 0x10);
-
-  pipeline(
-    socket,
-    createDecipheriv("aes-128-ecb", keybuf, null).setAutoPadding(false),
-    input
-  ).catch(doNothing);
-
-  pipeline(
-    output,
-    createCipheriv("aes-128-ecb", keybuf, null).setAutoPadding(false),
-    socket
-  ).catch(doNothing);
-
-  return { input, output };
-}

src/idz/userdb/decoder/createAutoTeam.ts

@@ -1,5 +1,5 @@
 import { CreateAutoTeamRequest } from "../request/createAutoTeam";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 createAutoTeam.msgCode = 0x007b;
 createAutoTeam.msgLen = 0x0010;

src/idz/userdb/decoder/createProfile.ts

@@ -3,7 +3,7 @@ import iconv from "iconv-lite";
 import { car } from "./_car";
 import { chara } from "./_chara";
 import { CreateProfileRequest } from "../request/createProfile";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 createProfile.msgCode = 0x0066;
 createProfile.msgLen = 0x00c0;

src/idz/userdb/decoder/createTeam.ts

@@ -1,7 +1,7 @@
 import iconv from "iconv-lite";
 
 import { CreateTeamRequest } from "../request/createTeam";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 createTeam.msgCode = 0x0071;
 createTeam.msgLen = 0x0050;

src/idz/userdb/decoder/discoverProfile.ts

@@ -1,5 +1,5 @@
 import { DiscoverProfileRequest } from "../request/discoverProfile";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 discoverProfile.msgCode = 0x006b;
 discoverProfile.msgLen = 0x0010;

src/idz/userdb/decoder/index.ts

@@ -1,5 +1,4 @@
 import logger from "debug";
-import { Transform } from "stream";
 
 import { checkTeamName } from "./checkTeamName";
 import { createProfile } from "./createProfile";
@@ -49,8 +48,10 @@ import { updateTeamPoints } from "./updateTeamPoints";
 import { updateUiReport } from "./updateUiReport";
 import { updateUserLog } from "./updateUserLog";
 import { lockProfileExtend } from "./lockProfileExtend";
+import { BLOCK_SIZE } from "../../common";
+import { ByteStream } from "../../../util/stream";
 
-const debug = logger("app:idz:decoder");
+const debug = logger("app:idz:userdb:decoder");
 
 export type ReaderFn = ((buf: Buffer) => Request) & {
   msgCode: number;
@@ -119,88 +120,53 @@ for (const fn of funcList) {
   msgLengths.set(fn.msgCode, fn.msgLen);
 }
 
-function readHeader(buf: Buffer) {
-  return {
-    blah: "blah",
-  };
-}
+async function readRequest(stm: ByteStream): Promise<Request | undefined> {
+  const head = await stm.read(BLOCK_SIZE);
 
-export class Decoder extends Transform {
-  state: Buffer;
-
-  constructor() {
-    super({
-      readableObjectMode: true,
-      writableObjectMode: true,
-    });
-
-    this.state = Buffer.alloc(0);
+  if (head.length === 0) {
+    // Connection closed
+    return undefined;
   }
 
-  _transform(chunk: Buffer, encoding, callback) {
-    this.state = Buffer.concat([this.state, chunk]);
+  const msgCode = head.readUInt16LE(0x0000);
+  const msgLen = msgLengths.get(msgCode);
 
-    // Read header
+  if (msgLen === undefined) {
+    throw new Error(`Message ${msgCode.toString(16)}: Unknown command code`);
+  }
 
-    if (this.state.length < 0x04) {
-      return callback(null);
+  const tail = await stm.read(msgLen - BLOCK_SIZE);
+  const msg = Buffer.concat([head, tail]);
+
+  if (msg.length < msgLen) {
+    throw new Error(`Message ${msgCode.toString(16)}: Truncated read`);
+  }
+
+  if (debug.enabled) {
+    debug("Raw: %s", msg.toString("hex"));
+  }
+
+  const reader = readerFns.get(msgCode);
+
+  if (reader === undefined) {
+    throw new Error(`Message ${msgCode.toString(16)}: No read handler`);
+  }
+
+  const payload = reader(msg);
+
+  debug("Payload: %j", payload);
+
+  return payload;
+}
+
+export default async function* readRequestStream(stm: ByteStream) {
+  while (true) {
+    const req = await readRequest(stm);
+
+    if (req === undefined) {
+      return;
     }
 
-    const magic = this.state.readUInt32LE(0);
-
-    if (magic !== 0x01020304) {
-      return callback(
-        new Error(
-          "Invalid magic number, cryptographic processing probably incorrect."
-        )
-      );
-    }
-
-    if (this.state.length < 0x30) {
-      return callback(null);
-    }
-
-    const header = readHeader(this.state);
-
-    if (this.state.length < 0x32) {
-      return callback(null);
-    }
-
-    const msgCode = this.state.readUInt16LE(0x30);
-    const msgLen = msgLengths.get(msgCode);
-
-    if (msgLen === undefined) {
-      return callback(
-        new Error(
-          `Unknown command code ${msgCode.toString(16)}, cannot continue`
-        )
-      );
-    }
-
-    if (this.state.length < 0x30 + msgLen) {
-      return callback(null);
-    }
-
-    const reqBuf = this.state.slice(0, 0x30 + msgLen);
-    const payloadBuf = reqBuf.slice(0x30);
-
-    if (debug.enabled) {
-      debug("Raw: %s", reqBuf.toString("hex"));
-      debug("Header: %j", header);
-    }
-
-    const reader = readerFns.get(msgCode);
-
-    if (reader === undefined) {
-      return callback(
-        new Error(`No reader for command code ${msgCode.toString(16)}`)
-      );
-    }
-
-    const payload = reader(payloadBuf);
-
-    debug("Payload: %j", payload);
-
-    return callback(null, payload);
+    yield req;
   }
 }

src/idz/userdb/decoder/load2on2.ts

@@ -1,7 +1,7 @@
 import { ExtId } from "../model/base";
 import { Team } from "../model/team";
 import { Load2on2Request1, Load2on2Request2 } from "../request/load2on2";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 load2on2_v1.msgCode = 0x00b0;
 load2on2_v1.msgLen = 0x0010;

src/idz/userdb/decoder/loadEventInfo.ts

@@ -1,5 +1,5 @@
 import { LoadEventInfoRequest } from "../request/loadEventInfo";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadEventInfo.msgCode = 0x00be;
 loadEventInfo.msgLen = 0x0010;

src/idz/userdb/decoder/loadGacha.ts

@@ -1,5 +1,5 @@
 import { LoadGachaRequest } from "../request/loadGacha";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadGacha.msgCode = 0x00c1;
 loadGacha.msgLen = 0x0010;

src/idz/userdb/decoder/loadGarage.ts

@@ -1,5 +1,5 @@
 import { LoadGarageRequest } from "../request/loadGarage";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadGarage.msgCode = 0x0090;
 loadGarage.msgLen = 0x0010;

src/idz/userdb/decoder/loadGeneralReward.ts

@@ -2,7 +2,7 @@ import {
   LoadGeneralRewardRequest1,
   LoadGeneralRewardRequest2,
 } from "../request/loadGeneralReward";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadGeneralReward1.msgCode = 0x009c;
 loadGeneralReward1.msgLen = 0x0010;

src/idz/userdb/decoder/loadProfile.ts

@@ -2,7 +2,7 @@ import {
   LoadProfileRequest2,
   LoadProfileRequest3,
 } from "../request/loadProfile";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadProfile2.msgCode = 0x0067;
 loadProfile2.msgLen = 0x0020;

src/idz/userdb/decoder/loadStocker.ts

@@ -1,5 +1,5 @@
 import { LoadStockerRequest } from "../request/loadStocker";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadStocker.msgCode = 0x00a7;
 loadStocker.msgLen = 0x0010;

src/idz/userdb/decoder/loadTopTen1.ts

@@ -4,7 +4,7 @@ import {
   LoadTopTenRequest,
   LoadTopTenRequestSelector,
 } from "../request/loadTopTen";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadTopTen1.msgCode = 0x00b5;
 loadTopTen1.msgLen = 0x00e0;

src/idz/userdb/decoder/loadTopTen2.ts

@@ -4,7 +4,7 @@ import {
   LoadTopTenRequest,
   LoadTopTenRequestSelector,
 } from "../request/loadTopTen";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 loadTopTen2.msgCode = 0x012c;
 loadTopTen2.msgLen = 0x0110;

src/idz/userdb/decoder/lockProfileExtend.ts

@@ -1,5 +1,5 @@
 import { LockProfileExtendRequest } from "../request/lockProfileExtend";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 lockProfileExtend.msgCode = 0x006d;
 lockProfileExtend.msgLen = 0x0020;

src/idz/userdb/decoder/msg00AD.ts

@@ -1,7 +1,7 @@
 import { Message00AD } from "../request/msg00AD";
 
 msg00AD.msgCode = 0x00ad;
-msg00AD.msgLen = 0x061c;
+msg00AD.msgLen = 0x0620;
 
 export function msg00AD(buf: Buffer): Message00AD {
   return { type: "msg_00AD_req" };

src/idz/userdb/decoder/saveNewCar.ts

@@ -1,6 +1,6 @@
 import { car } from "./_car";
 import { SaveNewCarRequest } from "../request/saveNewCar";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 saveNewCar.msgCode = 0x0079;
 saveNewCar.msgLen = 0x0090;

src/idz/userdb/decoder/saveProfile2.ts

@@ -3,7 +3,7 @@ import { mission } from "./_mission";
 import { BackgroundCode, CourseNo, TitleCode } from "../model/base";
 import { SaveProfileRequest2 } from "../request/saveProfile";
 import { bitmap } from "./_bitmap";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 saveProfile2.msgCode = 0x0068;
 saveProfile2.msgLen = 0x0940;

src/idz/userdb/decoder/saveProfile3.ts

@@ -3,7 +3,7 @@ import { mission } from "./_mission";
 import { BackgroundCode, CourseNo, TitleCode } from "../model/base";
 import { SaveProfileRequest2 } from "../request/saveProfile";
 import { bitmap } from "./_bitmap";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 saveProfile3.msgCode = 0x0138;
 saveProfile3.msgLen = 0x0a70;

src/idz/userdb/decoder/saveSettings.ts

@@ -1,5 +1,5 @@
 import { SaveSettingsRequest } from "../request/saveSettings";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 saveSettings.msgCode = 0x00a5;
 saveSettings.msgLen = 0x0020;

src/idz/userdb/decoder/saveStocker.ts

@@ -2,7 +2,7 @@ import { bitmap } from "./_bitmap";
 import { chara } from "./_chara";
 import { CarSelector } from "../model/car";
 import { SaveStockerRequest } from "../request/saveStocker";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 saveStocker.msgCode = 0x00a6;
 saveStocker.msgLen = 0x00c0;

src/idz/userdb/decoder/saveTimeAttack.ts

@@ -1,7 +1,7 @@
 import { RouteNo } from "../model/base";
 import { CarSelector } from "../model/car";
 import { SaveTimeAttackRequest } from "../request/saveTimeAttack";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 function saveTimeAttack(buf: Buffer): SaveTimeAttackRequest {
   return {

src/idz/userdb/decoder/updateTeamLeader.ts

@@ -1,7 +1,7 @@
 import { ExtId } from "../model/base";
 import { Team } from "../model/team";
 import { UpdateTeamLeaderRequest } from "../request/updateTeamLeader";
-import { AimeId } from "../../model";
+import { AimeId } from "../../../model";
 
 updateTeamLeader.msgCode = 0x008a;
 updateTeamLeader.msgLen = 0x0020;