feat: update WASM loading in initLibcurl and enhance error logging in Anisette class

- Added main Anisette class for high-level API.
- Introduced device management with Device class.
- Created HTTP client abstraction for network requests.
- Implemented provisioning session handling with ProvisioningSession class.
- Added utility functions for encoding, decoding, and random generation.
- Established library management with LibraryStore class.
- Integrated WASM loading and bridging with WasmBridge.
- Defined core types and interfaces for the API.
- Set up TypeScript configuration and build scripts.
- Updated package.json for new build and run commands.
- Added bun.lock and package.json for JS dependencies.
- Enhanced error handling and memory management in Rust code.

.claude/settings.local.json

@@ -1,10 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "Bash(cat:*)",
-      "Bash(mkdir:*)"
-    ],
-    "deny": [],
-    "ask": []
-  }
-}

.github/workflows/build.yml

@@ -3,6 +3,7 @@ name: Build WASM
 on:
   push:
     branches: [main]
+    tags: ['v*']
   pull_request:
     branches: [main]
   workflow_dispatch:
@@ -94,3 +95,22 @@ jobs:
             dist/anisette_rs.node.js
             dist/anisette_rs.node.wasm
           generate_release_notes: true
+
+      - name: Setup Node.js
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://npm.pkg.github.com'
+
+      - name: Build TypeScript
+        if: startsWith(github.ref, 'refs/tags/v')
+        working-directory: js/
+        run: npm run build
+
+      - name: Publish to GitHub Packages
+        if: startsWith(github.ref, 'refs/tags/v')
+        working-directory: js/
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -1,3 +1,10 @@
 target/
 test/
 dist/
+cache/
+*.apk
+anisette/*
+js/node_modules/*
+*.so
+*.wasm
+frontend/.vscode/extensions.json

AGENTS.md

@@ -1,91 +1,62 @@
-# AGENTS.md
+# CLAUDE.md
 
-This file provides guidance to Every Agents when working with code in this repository.
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
 
 ## Overview
 
-This crate provides Apple Anisette authentication in browser via WebAssembly. It uses a custom Unicorn Engine fork (https://github.com/lbr77/unicorn/tree/tci-emscripten) to emulate ARM64 Android binaries (`libstoreservicescore.so` + `libCoreADI.so`) for generating Anisette headers.
+Rust/WASM project that emulates ARM64 Android binaries (`libstoreservicescore.so` + `libCoreADI.so`) via a custom Unicorn Engine fork to generate Apple Anisette headers in the browser or Node.js.
 
-**Note**: The Android library blobs (`libstoreservicescore.so`, `libCoreADI.so`) are not included in this repository. Extract them from an APK or obtain separately.
+The Android library blobs are not included — extract from an APK or obtain separately.
 
 ## Build Commands
 
-### Prerequisites
+Must source Emscripten before building WASM:
-
-- Rust nightly (edition 2024)
-- Emscripten SDK (for WASM builds)
-
-### Setup Unicorn Engine
-
-Clone the custom Unicorn repository and checkout to the `tci-emscripten` branch:
-
 ```bash
-git clone https://github.com/lbr77/unicorn.git
+source "/Users/libr/Desktop/Life/emsdk/emsdk_env.sh"
-cd unicorn && git checkout tci-emscripten
 ```
 
-Then build Unicorn for Emscripten:
-
 ```bash
-bash script/rebuild-unicorn.sh
+bun run build          # WASM (debug) + JS bundle
+bun run release        # WASM (release) + JS bundle
+bun run build:js       # JS bundle only (no WASM rebuild)
+bun run build:glue     # WASM only
+bun run build:unicorn  # Rebuild Unicorn (rarely needed)
 ```
 
-The rebuild script handles:
+JS bundle outputs to `dist/anisette.js`. WASM glue outputs to `dist/anisette_rs.node.{js,wasm}` and `dist/anisette_rs.{js,wasm}`.
-- Running `emcmake cmake` with appropriate flags
-- Building only `arm` and `aarch64` architectures
-- Using static archives (`-DUNICORN_LEGACY_STATIC_ARCHIVE=ON`)
 
-### Build WASM Glue
+The `js/package.json` build script also outputs to `../dist/anisette.js` directly.
-
-```bash
-bash script/build-glue.sh           # Debug build
-bash script/build-glue.sh --release # Release build
-```
-
-Outputs:
-- `test/dist/anisette_rs.js` / `.wasm` (web)
-- `test/dist/anisette_rs.node.js` / `.wasm` (Node.js)
-- Copies to `../../frontend/public/anisette/`
-
-### Run Native Example
-
-```bash
-cargo run --example anisette -- <libstoreservicescore.so> <libCoreADI.so> [library_path] [dsid] [apple_root_pem]
-```
-
-### Run Node.js Example
-
-```bash
-node example/run-node.mjs <libstoreservicescore.so> <libCoreADI.so> [library_path] [dsid] [identifier]
-```
 
 ## Architecture
 
-### Core Modules
+### Rust → WASM layer (`src/`)
 
-- **`adi.rs`**: ADI (Apple Device Identity) wrapper — provisioning, OTP requests
+- `exports.rs` — all `#[no_mangle]` C FFI exports. Every new public function must also be added to `EXPORTED_FUNCTIONS` in `script/build-glue.sh` (both `WEB_EXPORTED_FUNCTIONS` and `NODE_EXPORTED_FUNCTIONS` as appropriate).
-- **`emu.rs`**: Unicorn-based ARM64 emulator core — library loading, symbol resolution, function calls
+- `adi.rs` — wraps the emulated ADI library calls
-- **`exports.rs`**: C FFI exports for WASM — `anisette_*` functions
+- `emu.rs` — Unicorn ARM64 emulator core
-- **`device.rs`**: Device identity management — UUIDs, identifiers, persistence
+- `idbfs.rs` — Emscripten IndexedDB FS integration (browser only)
-- **`idbfs.rs`**: IndexedDB filesystem integration for Emscripten
-- **`provisioning.rs`** / **`provisioning_wasm.rs`**: Apple provisioning protocol
 
-### Emulator Memory Layout
+### JS/TS layer (`js/src/`)
 
-- Libraries mapped to import address space with stub hooks
+- `anisette.ts` — main `Anisette` class. **Each `getData()` call fully reinits the WASM state** (new `WasmBridge`, re-writes VFS files, re-calls `initFromBlobs`) to work around a Unicorn emulator bug that causes illegal writes on repeated use.
-- Stack, heap, and return addresses pre-allocated
+- `wasm-bridge.ts` — raw pointer/length marshalling to WASM exports
-- Import hooks dispatch to runtime stubs
+- `wasm-loader.ts` — thin wrapper around `ModuleFactory`; caller must pass `locateFile` via `moduleOverrides` to resolve the `.wasm` path
+- `provisioning.ts` — Apple provisioning HTTP flow (fetches SPIM, sends CPIM)
+- `device.ts` — loads or generates `device.json`
 
-### Public API (exports.rs)
+### Key design decisions
 
-- `anisette_init_from_blobs` — Initialize from library blobs
+- `adi.pb` (provisioning state) lives in the WASM VFS. After provisioning, call `anisette.getAdiPb()` and persist it yourself — it is **not** automatically written to disk.
-- `anisette_is_machine_provisioned` — Check provisioning state
+- `fromSo()` accepts `init.adiPb` and `init.deviceJsonBytes` to restore a previous session into the VFS before init.
-- `anisette_start_provisioning` / `anisette_end_provisioning` — Provisioning flow
+- `loadWasm()` is environment-agnostic — no `node:` imports. Pass `locateFile` in `moduleOverrides`.
-- `anisette_request_otp` — Generate OTP + machine ID headers
+- Browser FS/path gotcha:
+  - Prefer `./anisette/` (not `/anisette`) for `libraryPath` / `provisioningPath`.
+  - The Rust emulation stubs currently hardcode `./anisette` and `./anisette/adi.pb` checks in `src/stub.rs` (`mkdir`/`open`), so absolute paths can break provisioning (e.g. `ADIProvisioningEnd -45054`).
+  - In browser flow, mount IDBFS and run `syncfs(true)` before ADI init to avoid VFS state being overwritten later.
 
-### Data Flow
+### Example usage
 
-1. Load Android `libstoreservicescore.so` + `libCoreADI.so`
+```bash
-2. Initialize device identity (`device.json`)
+NODE_TLS_REJECT_UNAUTHORIZED=0 bun example/anisette-api.mjs \
-3. Provision with Apple (if needed)
+  <libstoreservicescore.so> <libCoreADI.so> [library_path]
-4. Request OTP → `X-Apple-I-MD` + `X-Apple-I-MD-M` headers
+```

CLAUDE.md

@@ -1,91 +1,62 @@
-# AGENTS.md
+# CLAUDE.md
 
-This file provides guidance to Every Agents when working with code in this repository.
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
 
 ## Overview
 
-This crate provides Apple Anisette authentication in browser via WebAssembly. It uses a custom Unicorn Engine fork (https://github.com/lbr77/unicorn/tree/tci-emscripten) to emulate ARM64 Android binaries (`libstoreservicescore.so` + `libCoreADI.so`) for generating Anisette headers.
+Rust/WASM project that emulates ARM64 Android binaries (`libstoreservicescore.so` + `libCoreADI.so`) via a custom Unicorn Engine fork to generate Apple Anisette headers in the browser or Node.js.
 
-**Note**: The Android library blobs (`libstoreservicescore.so`, `libCoreADI.so`) are not included in this repository. Extract them from an APK or obtain separately.
+The Android library blobs are not included — extract from an APK or obtain separately.
 
 ## Build Commands
 
-### Prerequisites
+Must source Emscripten before building WASM:
-
-- Rust nightly (edition 2024)
-- Emscripten SDK (for WASM builds)
-
-### Setup Unicorn Engine
-
-Clone the custom Unicorn repository and checkout to the `tci-emscripten` branch:
-
 ```bash
-git clone https://github.com/lbr77/unicorn.git
+source "/Users/libr/Desktop/Life/emsdk/emsdk_env.sh"
-cd unicorn && git checkout tci-emscripten
 ```
 
-Then build Unicorn for Emscripten:
-
 ```bash
-bash script/rebuild-unicorn.sh
+bun run build          # WASM (debug) + JS bundle
+bun run release        # WASM (release) + JS bundle
+bun run build:js       # JS bundle only (no WASM rebuild)
+bun run build:glue     # WASM only
+bun run build:unicorn  # Rebuild Unicorn (rarely needed)
 ```
 
-The rebuild script handles:
+JS bundle outputs to `dist/anisette.js`. WASM glue outputs to `dist/anisette_rs.node.{js,wasm}` and `dist/anisette_rs.{js,wasm}`.
-- Running `emcmake cmake` with appropriate flags
-- Building only `arm` and `aarch64` architectures
-- Using static archives (`-DUNICORN_LEGACY_STATIC_ARCHIVE=ON`)
 
-### Build WASM Glue
+The `js/package.json` build script also outputs to `../dist/anisette.js` directly.
-
-```bash
-bash script/build-glue.sh           # Debug build
-bash script/build-glue.sh --release # Release build
-```
-
-Outputs:
-- `test/dist/anisette_rs.js` / `.wasm` (web)
-- `test/dist/anisette_rs.node.js` / `.wasm` (Node.js)
-- Copies to `../../frontend/public/anisette/`
-
-### Run Native Example
-
-```bash
-cargo run --example anisette -- <libstoreservicescore.so> <libCoreADI.so> [library_path] [dsid] [apple_root_pem]
-```
-
-### Run Node.js Example
-
-```bash
-node example/run-node.mjs <libstoreservicescore.so> <libCoreADI.so> [library_path] [dsid] [identifier]
-```
 
 ## Architecture
 
-### Core Modules
+### Rust → WASM layer (`src/`)
 
-- **`adi.rs`**: ADI (Apple Device Identity) wrapper — provisioning, OTP requests
+- `exports.rs` — all `#[no_mangle]` C FFI exports. Every new public function must also be added to `EXPORTED_FUNCTIONS` in `script/build-glue.sh` (both `WEB_EXPORTED_FUNCTIONS` and `NODE_EXPORTED_FUNCTIONS` as appropriate).
-- **`emu.rs`**: Unicorn-based ARM64 emulator core — library loading, symbol resolution, function calls
+- `adi.rs` — wraps the emulated ADI library calls
-- **`exports.rs`**: C FFI exports for WASM — `anisette_*` functions
+- `emu.rs` — Unicorn ARM64 emulator core
-- **`device.rs`**: Device identity management — UUIDs, identifiers, persistence
+- `idbfs.rs` — Emscripten IndexedDB FS integration (browser only)
-- **`idbfs.rs`**: IndexedDB filesystem integration for Emscripten
-- **`provisioning.rs`** / **`provisioning_wasm.rs`**: Apple provisioning protocol
 
-### Emulator Memory Layout
+### JS/TS layer (`js/src/`)
 
-- Libraries mapped to import address space with stub hooks
+- `anisette.ts` — main `Anisette` class. **Each `getData()` call fully reinits the WASM state** (new `WasmBridge`, re-writes VFS files, re-calls `initFromBlobs`) to work around a Unicorn emulator bug that causes illegal writes on repeated use.
-- Stack, heap, and return addresses pre-allocated
+- `wasm-bridge.ts` — raw pointer/length marshalling to WASM exports
-- Import hooks dispatch to runtime stubs
+- `wasm-loader.ts` — thin wrapper around `ModuleFactory`; caller must pass `locateFile` via `moduleOverrides` to resolve the `.wasm` path
+- `provisioning.ts` — Apple provisioning HTTP flow (fetches SPIM, sends CPIM)
+- `device.ts` — loads or generates `device.json`
 
-### Public API (exports.rs)
+### Key design decisions
 
-- `anisette_init_from_blobs` — Initialize from library blobs
+- `adi.pb` (provisioning state) lives in the WASM VFS. After provisioning, call `anisette.getAdiPb()` and persist it yourself — it is **not** automatically written to disk.
-- `anisette_is_machine_provisioned` — Check provisioning state
+- `fromSo()` accepts `init.adiPb` and `init.deviceJsonBytes` to restore a previous session into the VFS before init.
-- `anisette_start_provisioning` / `anisette_end_provisioning` — Provisioning flow
+- `loadWasm()` is environment-agnostic — no `node:` imports. Pass `locateFile` in `moduleOverrides`.
-- `anisette_request_otp` — Generate OTP + machine ID headers
+- Browser FS/path gotcha:
+  - Prefer `./anisette/` (not `/anisette`) for `libraryPath` / `provisioningPath`.
+  - The Rust emulation stubs currently hardcode `./anisette` and `./anisette/adi.pb` checks in `src/stub.rs` (`mkdir`/`open`), so absolute paths can break provisioning (e.g. `ADIProvisioningEnd -45054`).
+  - In browser flow, mount IDBFS and run `syncfs(true)` before ADI init to avoid VFS state being overwritten later.
 
-### Data Flow
+### Example usage
 
-1. Load Android `libstoreservicescore.so` + `libCoreADI.so`
+```bash
-2. Initialize device identity (`device.json`)
+NODE_TLS_REJECT_UNAUTHORIZED=0 bun example/anisette-api.mjs \
-3. Provision with Apple (if needed)
+  <libstoreservicescore.so> <libCoreADI.so> [library_path]
-4. Request OTP → `X-Apple-I-MD` + `X-Apple-I-MD-M` headers
+```

README.md

@@ -1,18 +1,134 @@
-# anisette.js
+# anisette-js
 
-use anisette on browser locally! no more third-party server worries.
+Apple Anisette authentication in browser via WebAssembly. Emulates ARM64 Android binaries to generate Anisette headers locally — no third-party servers required.
 
-## usage
+## Features
 
-see examples/
+- **Local execution**: All computation happens in your browser or Node.js process
+- **WASM-based**: Uses Unicorn Engine compiled to WebAssembly for ARM64 emulation
+- **High-level JS/TS API**: Simple async interface, handles provisioning automatically
+- **Single-file bundle**: Distribute as one `.js` + one `.wasm` file
 
-should download apple music apk from [here](https://apps.mzstatic.com/content/android-apple-music-apk/applemusic.apk) and unzip to get arm64 abi.
+## Prerequisites
+
+- Rust nightly (for building the WASM module)
+- Emscripten SDK
+- Bun (for bundling the TypeScript API)
+
+Android library blobs (`libstoreservicescore.so`, `libCoreADI.so`) are not included. Extract them from an Apple Music APK or obtain separately.
+
+## Build
+
+```bash
+# Clone and build custom Unicorn fork
+git clone https://github.com/lbr77/unicorn.git
+cd unicorn && git checkout tci-emscripten
+
+# Build everything (WASM + TS API bundle)
+bash script/build-glue.sh
+
+# Or build just the JS bundle (WASM already built)
+npm run build:js
+```
+
+Output files in `dist/`:
+- `anisette.js` — bundled TS API + glue (single file)
+- `anisette_rs.node.wasm` — WASM binary (required alongside `.js`)
+
+## Usage
+
+### Node.js
+
+```javascript
+import { Anisette, loadWasm } from "./dist/anisette.js";
+import fs from "node:fs/promises";
+
+const wasmModule = await loadWasm();
+
+const storeservices = new Uint8Array(await fs.readFile("libstoreservicescore.so"));
+const coreadi = new Uint8Array(await fs.readFile("libCoreADI.so"));
+
+const anisette = await Anisette.fromSo(storeservices, coreadi, wasmModule);
+
+if (!anisette.isProvisioned) {
+  await anisette.provision();
+}
+
+const headers = await anisette.getData();
+console.log(headers["X-Apple-I-MD"]);
+```
+
+Run the example:
+
+```bash
+node example/anisette-api.mjs libstoreservicescore.so libCoreADI.so ./anisette/
+```
+
+### Browser
+
+For browser usage, use the web-targeted WASM build (`anisette_rs.js` / `.wasm`) and import directly:
+
+```javascript
+import ModuleFactory from "./anisette_rs.js";
+
+const wasmModule = await ModuleFactory({
+  locateFile: (f) => f.endsWith(".wasm") ? "./anisette_rs.wasm" : f
+});
+
+// Use WasmBridge for low-level access, or wrap with the TS API
+```
+
+## API Reference
+
+### `Anisette`
+
+Main class for generating Anisette headers.
+
+**Static methods:**
+
+- `Anisette.fromSo(storeservicescore, coreadi, wasmModule, options?)` — Initialize from library blobs
+- `Anisette.fromSaved(ss, ca, deviceJson, adiPb, wasmModule, options?)` — Restore a saved session
+
+**Instance properties:**
+
+- `isProvisioned: boolean` — Whether the device is provisioned
+
+**Instance methods:**
+
+- `provision()` — Run Apple provisioning flow
+- `getData(): Promise<AnisetteHeaders>` — Generate Anisette headers
+- `getDeviceJson(): Uint8Array` — Serialize device config for persistence
+
+### `loadWasm()`
+
+Loads the WASM module. In Node.js, resolves `.wasm` path relative to the bundle location.
+
+```javascript
+import { loadWasm } from "./dist/anisette.js";
+const wasmModule = await loadWasm();
+```
+
+## Architecture
+
+- **Rust/WASM core** (`src/`): Emulator, ADI wrapper, provisioning protocol
+- **TypeScript API** (`js/src/`): High-level wrapper around WASM exports
+- **Emscripten glue**: Bridges JS and WASM memory, handles VFS
+
+Key modules:
+- `adi.rs` — ADI (Apple Device Identity) provisioning and OTP
+- `emu.rs` — Unicorn-based ARM64 emulator
+- `exports.rs` — C FFI exports for WASM
+- `js/src/anisette.ts` — Main `Anisette` class
+- `js/src/wasm-bridge.ts` — Low-level WASM memory management
+
+## Credits
+
+- [pyprovision-uc](https://github.com/JayFoxRox/pyprovision-uc)
+- [Anisette.py](https://github.com/malmeloo/Anisette.py)
+- [omnisette-server](https://github.com/SideStore/omnisette-server)
+- [unicorn](https://github.com/petabyt/unicorn/tree/tci-emscripten)
 
 
-## credits
+## Known Issue:
 
-[pyprovision-uc](https://github.com/JayFoxRox/pyprovision-uc)
+when requiring Otp for second time there will be a "WRITE UNMAPPED" error which could be avoided by initalizing onemoretime...
-
-[Anisette.py](https://github.com/malmeloo/Anisette.py)
-
-[omnisette-server](https://github.com/SideStore/omnisette-server)

example/anisette-api.mjs

@@ -0,0 +1,65 @@
+/**
+ * Example: using the high-level Anisette JS API (Node.js)
+ *
+ * Usage:
+ *   node example/anisette-api.mjs <libstoreservicescore.so> <libCoreADI.so> [library_path]
+ */
+
+import fs from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath, pathToFileURL } from "node:url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const {Anisette, loadWasm} = await import("../js/dist");
+// const bundlePath = path.join(__dirname, "..", "dist", "anisette.js");
+
+// const { Anisette, loadWasm } = await import(
+//   pathToFileURL(bundlePath).href
+// ).catch(() => {
+//   console.error("Bundle not found. Run: npm run build:js");
+//   process.exit(1);
+// });
+
+const args = process.argv.slice(2);
+if (args.length < 2) {
+  console.error(
+    "usage: node example/anisette-api.mjs <libstoreservicescore.so> <libCoreADI.so> [library_path]"
+  );
+  process.exit(1);
+}
+
+const storeservicesPath = args[0];
+const coreadiPath = args[1];
+const libraryPath = args[2] ?? "./anisette/";
+
+const wasmModule = await loadWasm({ printErr: () => {}});
+
+const storeservices = new Uint8Array(await fs.readFile(storeservicesPath));
+const coreadi = new Uint8Array(await fs.readFile(coreadiPath));
+
+const readOptional = (p) => fs.readFile(p).then((b) => new Uint8Array(b)).catch(() => {console.warn(`Optional file not found: ${p}`); return null; });
+const [adiPb, deviceJsonBytes] = await Promise.all([
+  readOptional(path.join(libraryPath, "adi.pb")),
+  readOptional(path.join(libraryPath, "device.json")),
+]);
+
+const anisette = await Anisette.fromSo(storeservices, coreadi, wasmModule, {
+  init: { libraryPath, adiPb, deviceJsonBytes },
+});
+
+if (!anisette.isProvisioned) {
+  console.log("Device not provisioned — running provisioning...");
+  await anisette.provision();
+  await fs.mkdir(libraryPath, { recursive: true });
+  await fs.writeFile(path.join(libraryPath, "adi.pb"), anisette.getAdiPb());
+  await fs.writeFile(path.join(libraryPath, "device.json"), anisette.getDeviceJson());
+  console.log("Provisioning complete.");
+} else {
+  console.log("Device already provisioned.");
+}
+
+const headers = await anisette.getData();
+console.log(JSON.stringify(headers, null, 2));
+
+
+console.log(JSON.stringify(await anisette.getData(), null, 2));

example/run-node.mjs

@@ -3,7 +3,7 @@ import path from 'node:path';
 import { fileURLToPath, pathToFileURL } from 'node:url';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
-const distDir = path.join(__dirname, 'dist');
+const distDir = path.join(path.join(__dirname, '..'), 'dist')
 const modulePath = path.join(distDir, 'anisette_rs.node.js');
 const wasmPath = path.join(distDir, 'anisette_rs.node.wasm');
 

frontend/.gitignore

@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

frontend/README.md

@@ -0,0 +1,5 @@
+# Vue 3 + Vite
+
+This template should help get you started developing with Vue 3 in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
+
+Learn more about IDE Support for Vue in the [Vue Docs Scaling up Guide](https://vuejs.org/guide/scaling-up/tooling.html#ide-support).

frontend/bun.lock

@@ -0,0 +1,197 @@
+{
+  "lockfileVersion": 1,
+  "configVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "frontend",
+      "dependencies": {
+        "anisette-js": "file:../js",
+        "libcurl.js": "^0.7.4",
+        "vue": "^3.5.25",
+      },
+      "devDependencies": {
+        "@vitejs/plugin-vue": "^6.0.2",
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+    "@vue/compiler-ssr": ["@vue/compiler-ssr@3.5.29", "", { "dependencies": { "@vue/compiler-dom": "3.5.29", "@vue/shared": "3.5.29" } }, "sha512-Y/ARJZE6fpjzL5GH/phJmsFwx3g6t2KmHKHx5q+MLl2kencADKIrhH5MLF6HHpRMmlRAYBRSvv347Mepf1zVNw=="],
+
+    "@vue/reactivity": ["@vue/reactivity@3.5.29", "", { "dependencies": { "@vue/shared": "3.5.29" } }, "sha512-zcrANcrRdcLtmGZETBxWqIkoQei8HaFpZWx/GHKxx79JZsiZ8j1du0VUJtu4eJjgFvU/iKL5lRXFXksVmI+5DA=="],
+
+    "@vue/runtime-core": ["@vue/runtime-core@3.5.29", "", { "dependencies": { "@vue/reactivity": "3.5.29", "@vue/shared": "3.5.29" } }, "sha512-8DpW2QfdwIWOLqtsNcds4s+QgwSaHSJY/SUe04LptianUQ/0xi6KVsu/pYVh+HO3NTVvVJjIPL2t6GdeKbS4Lg=="],
+
+    "@vue/runtime-dom": ["@vue/runtime-dom@3.5.29", "", { "dependencies": { "@vue/reactivity": "3.5.29", "@vue/runtime-core": "3.5.29", "@vue/shared": "3.5.29", "csstype": "^3.2.3" } }, "sha512-AHvvJEtcY9tw/uk+s/YRLSlxxQnqnAkjqvK25ZiM4CllCZWzElRAoQnCM42m9AHRLNJ6oe2kC5DCgD4AUdlvXg=="],
+
+    "@vue/server-renderer": ["@vue/server-renderer@3.5.29", "", { "dependencies": { "@vue/compiler-ssr": "3.5.29", "@vue/shared": "3.5.29" }, "peerDependencies": { "vue": "3.5.29" } }, "sha512-G/1k6WK5MusLlbxSE2YTcqAAezS+VuwHhOvLx2KnQU7G2zCH6KIb+5Wyt6UjMq7a3qPzNEjJXs1hvAxDclQH+g=="],
+
+    "@vue/shared": ["@vue/shared@3.5.29", "", {}, "sha512-w7SR0A5zyRByL9XUkCfdLs7t9XOHUyJ67qPGQjOou3p6GvBeBW+AVjUUmlxtZ4PIYaRvE+1LmK44O4uajlZwcg=="],
+
+    "anisette-js": ["anisette-js@file:../js", { "dependencies": { "@types/node": "^25.3.2" }, "devDependencies": { "typescript": "^5.4.0" } }],
+
+    "csstype": ["csstype@3.2.3", "", {}, "sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ=="],
+
+    "entities": ["entities@7.0.1", "", {}, "sha512-TWrgLOFUQTH994YUyl1yT4uyavY5nNB5muff+RtWaqNVCAK408b5ZnnbNAUEWLTCpum9w6arT70i1XdQ4UeOPA=="],
+
+    "esbuild": ["esbuild@0.27.3", "", { "optionalDependencies": { "@esbuild/aix-ppc64": "0.27.3", "@esbuild/android-arm": "0.27.3", "@esbuild/android-arm64": "0.27.3", "@esbuild/android-x64": "0.27.3", "@esbuild/darwin-arm64": "0.27.3", "@esbuild/darwin-x64": "0.27.3", "@esbuild/freebsd-arm64": "0.27.3", "@esbuild/freebsd-x64": "0.27.3", "@esbuild/linux-arm": "0.27.3", "@esbuild/linux-arm64": "0.27.3", "@esbuild/linux-ia32": "0.27.3", "@esbuild/linux-loong64": "0.27.3", "@esbuild/linux-mips64el": "0.27.3", "@esbuild/linux-ppc64": "0.27.3", "@esbuild/linux-riscv64": "0.27.3", "@esbuild/linux-s390x": "0.27.3", "@esbuild/linux-x64": "0.27.3", "@esbuild/netbsd-arm64": "0.27.3", "@esbuild/netbsd-x64": "0.27.3", "@esbuild/openbsd-arm64": "0.27.3", "@esbuild/openbsd-x64": "0.27.3", "@esbuild/openharmony-arm64": "0.27.3", "@esbuild/sunos-x64": "0.27.3", "@esbuild/win32-arm64": "0.27.3", "@esbuild/win32-ia32": "0.27.3", "@esbuild/win32-x64": "0.27.3" }, "bin": { "esbuild": "bin/esbuild" } }, "sha512-8VwMnyGCONIs6cWue2IdpHxHnAjzxnw2Zr7MkVxB2vjmQ2ivqGFb4LEG3SMnv0Gb2F/G/2yA8zUaiL1gywDCCg=="],
+
+    "estree-walker": ["estree-walker@2.0.2", "", {}, "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w=="],
+
+    "fdir": ["fdir@6.5.0", "", { "peerDependencies": { "picomatch": "^3 || ^4" }, "optionalPeers": ["picomatch"] }, "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg=="],
+
+    "fsevents": ["fsevents@2.3.3", "", { "os": "darwin" }, "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw=="],
+
+    "libcurl.js": ["libcurl.js@0.7.4", "", {}, "sha512-UpvVirvATP7fD0t4rnsxVRuUpPVIo2QvWj4+5JrMsd1KSEvYkON36+COOPAl88hPlGJddk+DfZRvyF7KG7YcSA=="],
+
+    "magic-string": ["magic-string@0.30.21", "", { "dependencies": { "@jridgewell/sourcemap-codec": "^1.5.5" } }, "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ=="],
+
+    "nanoid": ["nanoid@3.3.11", "", { "bin": { "nanoid": "bin/nanoid.cjs" } }, "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w=="],
+
+    "picocolors": ["picocolors@1.1.1", "", {}, "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA=="],
+
+    "picomatch": ["picomatch@4.0.3", "", {}, "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q=="],
+
+    "postcss": ["postcss@8.5.6", "", { "dependencies": { "nanoid": "^3.3.11", "picocolors": "^1.1.1", "source-map-js": "^1.2.1" } }, "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg=="],
+
+    "rollup": ["rollup@4.59.0", "", { "dependencies": { "@types/estree": "1.0.8" }, "optionalDependencies": { "@rollup/rollup-android-arm-eabi": "4.59.0", "@rollup/rollup-android-arm64": "4.59.0", "@rollup/rollup-darwin-arm64": "4.59.0", "@rollup/rollup-darwin-x64": "4.59.0", "@rollup/rollup-freebsd-arm64": "4.59.0", "@rollup/rollup-freebsd-x64": "4.59.0", "@rollup/rollup-linux-arm-gnueabihf": "4.59.0", "@rollup/rollup-linux-arm-musleabihf": "4.59.0", "@rollup/rollup-linux-arm64-gnu": "4.59.0", "@rollup/rollup-linux-arm64-musl": "4.59.0", "@rollup/rollup-linux-loong64-gnu": "4.59.0", "@rollup/rollup-linux-loong64-musl": "4.59.0", "@rollup/rollup-linux-ppc64-gnu": "4.59.0", "@rollup/rollup-linux-ppc64-musl": "4.59.0", "@rollup/rollup-linux-riscv64-gnu": "4.59.0", "@rollup/rollup-linux-riscv64-musl": "4.59.0", "@rollup/rollup-linux-s390x-gnu": "4.59.0", "@rollup/rollup-linux-x64-gnu": "4.59.0", "@rollup/rollup-linux-x64-musl": "4.59.0", "@rollup/rollup-openbsd-x64": "4.59.0", "@rollup/rollup-openharmony-arm64": "4.59.0", "@rollup/rollup-win32-arm64-msvc": "4.59.0", "@rollup/rollup-win32-ia32-msvc": "4.59.0", "@rollup/rollup-win32-x64-gnu": "4.59.0", "@rollup/rollup-win32-x64-msvc": "4.59.0", "fsevents": "~2.3.2" }, "bin": { "rollup": "dist/bin/rollup" } }, "sha512-2oMpl67a3zCH9H79LeMcbDhXW/UmWG/y2zuqnF2jQq5uq9TbM9TVyXvA4+t+ne2IIkBdrLpAaRQAvo7YI/Yyeg=="],
+
+    "source-map-js": ["source-map-js@1.2.1", "", {}, "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA=="],
+
+    "tinyglobby": ["tinyglobby@0.2.15", "", { "dependencies": { "fdir": "^6.5.0", "picomatch": "^4.0.3" } }, "sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ=="],
+
+    "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
+
+    "undici-types": ["undici-types@7.18.2", "", {}, "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w=="],
+
+    "vite": ["vite@7.3.1", "", { "dependencies": { "esbuild": "^0.27.0", "fdir": "^6.5.0", "picomatch": "^4.0.3", "postcss": "^8.5.6", "rollup": "^4.43.0", "tinyglobby": "^0.2.15" }, "optionalDependencies": { "fsevents": "~2.3.3" }, "peerDependencies": { "@types/node": "^20.19.0 || >=22.12.0", "jiti": ">=1.21.0", "less": "^4.0.0", "lightningcss": "^1.21.0", "sass": "^1.70.0", "sass-embedded": "^1.70.0", "stylus": ">=0.54.8", "sugarss": "^5.0.0", "terser": "^5.16.0", "tsx": "^4.8.1", "yaml": "^2.4.2" }, "optionalPeers": ["@types/node", "jiti", "less", "lightningcss", "sass", "sass-embedded", "stylus", "sugarss", "terser", "tsx", "yaml"], "bin": { "vite": "bin/vite.js" } }, "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA=="],
+
+    "vue": ["vue@3.5.29", "", { "dependencies": { "@vue/compiler-dom": "3.5.29", "@vue/compiler-sfc": "3.5.29", "@vue/runtime-dom": "3.5.29", "@vue/server-renderer": "3.5.29", "@vue/shared": "3.5.29" }, "peerDependencies": { "typescript": "*" }, "optionalPeers": ["typescript"] }, "sha512-BZqN4Ze6mDQVNAni0IHeMJ5mwr8VAJ3MQC9FmprRhcBYENw+wOAAjRj8jfmN6FLl0j96OXbR+CjWhmAmM+QGnA=="],
+  }
+}

frontend/index.html

@@ -0,0 +1,12 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Anisette JS Demo</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>

frontend/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "vue": "^3.5.25",
+    "anisette-js": "file:../js",
+    "libcurl.js": "^0.7.4"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^6.0.2",
+    "vite": "^7.3.1"
+  }
+}

frontend/src/App.vue

@@ -0,0 +1,66 @@
+<script setup>
+import { ref } from 'vue'
+import { Anisette, loadWasmModule } from 'anisette-js'
+import { initLibcurl } from './libcurl-init'
+import { LibcurlHttpClient } from './libcurl-http'
+
+const status = ref('Ready')
+const headers = ref(null)
+
+async function runDemo() {
+  try {
+    status.value = 'Loading libcurl...'
+    await initLibcurl()
+    const httpClient = new LibcurlHttpClient()
+
+    status.value = 'Loading WASM...'
+    const wasmModule = await loadWasmModule({ printErr: () => {}})
+
+    status.value = 'Loading library files...'
+    const [ssResp, caResp] = await Promise.all([
+      fetch('/libstoreservicescore.so'),
+      fetch('/libCoreADI.so')
+    ])
+
+    if (!ssResp.ok || !caResp.ok) {
+      throw new Error('Failed to load .so files from public directory')
+    }
+
+    const ssBytes = new Uint8Array(await ssResp.arrayBuffer())
+    const caBytes = new Uint8Array(await caResp.arrayBuffer())
+
+    status.value = 'Initializing Anisette...'
+    const anisette = await Anisette.fromSo(ssBytes, caBytes, wasmModule, {
+      httpClient,
+      init: { libraryPath: './anisette/' }
+    })
+    if (!anisette.isProvisioned) {
+      status.value = 'Provisioning...'
+      await anisette.provision()
+    } else {
+      status.vaule = 'Already provisioned, skipping provisioning step'
+    }
+
+    status.value = 'Getting headers...'
+    headers.value = await anisette.getData()
+    status.value = 'Done'
+  } catch (err) {
+    status.value = `Error: ${err.message}`
+    console.error(err)
+  }
+}
+</script>
+
+<template>
+  <div>
+    <h1>Anisette Vue Demo</h1>
+
+    <div>
+      <button @click="runDemo">Run</button>
+    </div>
+
+    <p>Status: {{ status }}</p>
+
+    <pre v-if="headers">{{ JSON.stringify(headers, null, 2) }}</pre>
+  </div>
+</template>

frontend/src/libcurl-http.ts

@@ -0,0 +1,28 @@
+// Libcurl-based HTTP client for browser
+
+import type { HttpClient } from "anisette-js";
+import { libcurl } from "./libcurl-init";
+
+export class LibcurlHttpClient implements HttpClient {
+  async get(url: string, headers: Record<string, string>): Promise<Uint8Array> {
+    // @ts-ignore
+    const response = (await libcurl.fetch(url, { method: "GET", headers, insecure: true })) as Response;
+    if (!response.ok) {
+      throw new Error(`HTTP GET ${url} failed: ${response.status} ${response.statusText}`);
+    }
+    return new Uint8Array(await response.arrayBuffer());
+  }
+
+  async post(
+    url: string,
+    body: string,
+    headers: Record<string, string>
+  ): Promise<Uint8Array> {
+    // @ts-ignore
+    const response = (await libcurl.fetch(url, { method: "POST", body, headers, insecure: true})) as Response;
+    if (!response.ok) {
+      throw new Error(`HTTP POST ${url} failed: ${response.status} ${response.statusText}`);
+    }
+    return new Uint8Array(await response.arrayBuffer());
+  }
+}

frontend/src/libcurl-init.ts

@@ -0,0 +1,20 @@
+import { libcurl } from "../public/libcurl_full.mjs";
+
+let initialized = false;
+let initPromise: Promise<void> | null = null;
+
+export async function initLibcurl(): Promise<void> {
+  if (initialized) return;
+  if (initPromise) return initPromise;
+  initPromise = (async () => {
+    const wsProto = location.protocol === "https:" ? "wss:" : "ws:";
+    let wsUrl = `${wsProto}//${location.host}/wisp/`;
+    libcurl.set_websocket(wsUrl);
+    await libcurl.load_wasm();
+    initialized = true;
+  })();
+
+  return initPromise;
+}
+
+export { libcurl };

frontend/src/main.js

@@ -0,0 +1,4 @@
+import { createApp } from 'vue'
+import App from './App.vue'
+
+createApp(App).mount('#app')

frontend/src/types/libcurl.d.ts

@@ -0,0 +1,40 @@
+declare module "libcurl.js" {
+  interface LibcurlResponse {
+    ok: boolean;
+    status: number;
+    statusText: string;
+    headers: Headers;
+    raw_headers: [string, string][];
+    text(): Promise<string>;
+    json(): Promise<any>;
+    arrayBuffer(): Promise<ArrayBuffer>;
+  }
+
+  interface LibcurlFetchOptions {
+    method?: string;
+    headers?: Record<string, string> | Headers;
+    body?: string | ArrayBuffer | Uint8Array;
+    redirect?: "follow" | "manual" | "error";
+    proxy?: string;
+    _libcurl_verbose?: number;
+    _libcurl_http_version?: number;
+  }
+
+  interface Libcurl {
+    ready: boolean;
+    onload: (() => void) | null;
+    set_websocket(url: string): void;
+    load_wasm(url?: string): Promise<void>;
+    fetch(url: string, options?: LibcurlFetchOptions): Promise<LibcurlResponse>;
+    get_error_string(code: number): string;
+    get_cacert(): string;
+    version: string;
+  }
+
+  export const libcurl: Libcurl;
+}
+
+declare module "libcurl.js/bundled" {
+  import type { Libcurl } from "libcurl.js";
+  export const libcurl: Libcurl;
+}

frontend/vite.config.js

@@ -0,0 +1,19 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [vue()],
+  optimizeDeps: {
+    exclude: ['anisette-js']
+  },
+  build: {
+    target: 'esnext'
+  },
+  server: {
+    proxy: {
+      "/api": "http://localhost:8080",
+      "/wisp": { target: "ws://localhost:8080", ws: true },
+    },
+  },
+})

js/bun.lock

@@ -0,0 +1,22 @@
+{
+  "lockfileVersion": 1,
+  "configVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "anisette-js",
+      "dependencies": {
+        "@types/node": "^25.3.2",
+      },
+      "devDependencies": {
+        "typescript": "^5.4.0",
+      },
+    },
+  },
+  "packages": {
+    "@types/node": ["@types/node@25.3.2", "", { "dependencies": { "undici-types": "~7.18.0" } }, "sha512-RpV6r/ij22zRRdyBPcxDeKAzH43phWVKEjL2iksqo1Vz3CuBUrgmPpPhALKiRfU7OMCmeeO9vECBMsV0hMTG8Q=="],
+
+    "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
+
+    "undici-types": ["undici-types@7.18.2", "", {}, "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w=="],
+  }
+}

js/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "@lbr77/anisette-js",
+  "version": "0.1.2",
+  "description": "High-level JavaScript/TypeScript API for Apple Anisette headers via WASM",
+  "type": "module",
+  "main": "./dist/index.js",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "browser": "./dist/browser.js",
+      "import": "./dist/index.js",
+      "default": "./dist/index.js"
+    },
+    "./browser": {
+      "types": "./dist/browser.d.ts",
+      "default": "./dist/browser.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "tsc && cp src/anisette_rs.js dist/ && cp src/anisette_rs.node.js dist/",
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "typescript": "^5.4.0"
+  },
+  "dependencies": {
+    "@types/node": "^25.3.2"
+  },
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org/",
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/lbr77/anisette-js.git"
+  }
+}

js/src/anisette.ts

@@ -0,0 +1,297 @@
+// Main Anisette class — the public-facing API
+
+import type { AnisetteHeaders, InitOptions } from "./types.js";
+import type { HttpClient } from "./http.js";
+import { WasmBridge } from "./wasm-bridge.js";
+import { Device } from "./device.js";
+import { LibraryStore } from "./library.js";
+import { ProvisioningSession } from "./provisioning.js";
+import {
+  toBase64,
+  toAppleClientTime,
+  detectLocale,
+  encodeUtf8,
+  decodeUtf8,
+} from "./utils.js";
+
+const DEFAULT_DSID = BigInt(-2);
+const DEFAULT_LIBRARY_PATH = "./anisette/";
+const MD_RINFO = "17106176";
+
+export interface AnisetteOptions {
+  /** Override the HTTP client (useful for testing or custom proxy) */
+  httpClient?: HttpClient;
+  /** DSID to use when requesting OTP (default: -2) */
+  dsid?: bigint;
+  /** Options passed to WASM init */
+  init?: InitOptions;
+}
+
+export class Anisette {
+  private bridge: WasmBridge;
+  private device: Device;
+  private provisioning: ProvisioningSession;
+  private dsid: bigint;
+  private provisioningPath: string;
+  private libraryPath: string;
+  private libs: LibraryStore;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  private wasmModule: any;
+  private identifier: string;
+  private httpClient: HttpClient | undefined;
+
+  private constructor(
+    bridge: WasmBridge,
+    device: Device,
+    provisioning: ProvisioningSession,
+    dsid: bigint,
+    provisioningPath: string,
+    libraryPath: string,
+    libs: LibraryStore,
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    wasmModule: any,
+    identifier: string,
+    httpClient: HttpClient | undefined,
+  ) {
+    this.bridge = bridge;
+    this.device = device;
+    this.provisioning = provisioning;
+    this.dsid = dsid;
+    this.provisioningPath = provisioningPath;
+    this.libraryPath = libraryPath;
+    this.libs = libs;
+    this.wasmModule = wasmModule;
+    this.identifier = identifier;
+    this.httpClient = httpClient;
+  }
+
+  // ---- factory methods ----
+
+  /**
+   * Initialize from the two Android .so library files.
+   * @param storeservicescore - bytes of libstoreservicescore.so
+   * @param coreadi           - bytes of libCoreADI.so
+   */
+  static async fromSo(
+    storeservicescore: Uint8Array,
+    coreadi: Uint8Array,
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    wasmModule: any,
+    options: AnisetteOptions = {}
+  ): Promise<Anisette> {
+    const libs = LibraryStore.fromBlobs(storeservicescore, coreadi);
+    return Anisette._init(libs, wasmModule, options);
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  private static async _init(
+    libs: LibraryStore,
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    wasmModule: any,
+    options: AnisetteOptions
+  ): Promise<Anisette> {
+    const bridge = new WasmBridge(wasmModule);
+    const initOpts = options.init ?? {};
+    const libraryPath = normalizeAdiPath(initOpts.libraryPath ?? DEFAULT_LIBRARY_PATH);
+    const provisioningPath = normalizeAdiPath(initOpts.provisioningPath ?? libraryPath);
+    const dsid = options.dsid ?? DEFAULT_DSID;
+
+    // Mount + load persisted IDBFS first so file state is stable before init.
+    mountIdbfsPaths(bridge, libraryPath, provisioningPath);
+    try {
+      await bridge.syncIdbfsFromStorage();
+    } catch (err) {
+      console.log("[anisette] Failed to sync IDBFS from storage:", err);
+      // Ignore errors - might be first run with no existing data
+    }
+
+    // Load device config from explicit bytes first, then from persisted VFS.
+    const savedDeviceJson =
+      parseDeviceJsonBytes(initOpts.deviceJsonBytes) ??
+      readDeviceJsonFromVfs(bridge, joinPath(libraryPath, "device.json"));
+    const device = Device.fromJson(savedDeviceJson, initOpts.deviceConfig);
+    const identifier = initOpts.identifier ?? device.adiIdentifier;
+
+    // Restore explicit adi.pb into VFS if provided.
+    if (initOpts.adiPb) {
+      bridge.writeVirtualFile(joinPath(provisioningPath, "adi.pb"), initOpts.adiPb);
+    }
+
+    // Keep VFS device.json consistent with the active in-memory device.
+    const deviceJsonBytes = initOpts.deviceJsonBytes ?? encodeUtf8(JSON.stringify(device.toJson(), null, 2));
+    bridge.writeVirtualFile(joinPath(libraryPath, "device.json"), deviceJsonBytes);
+
+    // Initialize WASM ADI
+    bridge.initFromBlobs(
+      libs.storeservicescore,
+      libs.coreadi,
+      libraryPath,
+      provisioningPath,
+      identifier
+    );
+
+    const provisioning = new ProvisioningSession(
+      bridge,
+      device,
+      options.httpClient
+    );
+
+    return new Anisette(bridge, device, provisioning, dsid, provisioningPath, libraryPath, libs, wasmModule, identifier, options.httpClient);
+  }
+
+  // ---- public API ----
+
+  /** Whether the device is currently provisioned. */
+  get isProvisioned(): boolean {
+    return this.bridge.isMachineProvisioned(this.dsid);
+  }
+
+  /** Run the provisioning flow against Apple servers. */
+  async provision(): Promise<void> {
+    await this.provisioning.provision(this.dsid);
+    // Sync provisioning state to IndexedDB (browser only)
+    if (this.bridge.isIdbfsAvailable()) {
+      try {
+        await this.bridge.syncIdbfsToStorage();
+      } catch (err) {
+        console.error("[anisette] Failed to sync to IDBFS:", err);
+      }
+    }
+  }
+
+  /** Read adi.pb from the WASM VFS for persistence. */
+  getAdiPb(): Uint8Array {
+    return this.bridge.readVirtualFile(joinPath(this.provisioningPath, "adi.pb"));
+  }
+
+  /** Generate Anisette headers. Throws if not provisioned. */
+  async getData(): Promise<AnisetteHeaders> {
+    // Reinit WASM state before each call to avoid emulator corruption on repeated use
+    const adiPb = readOptionalFile(
+      this.bridge,
+      joinPath(this.provisioningPath, "adi.pb")
+    );
+    const deviceJsonBytes = encodeUtf8(JSON.stringify(this.device.toJson(), null, 2));
+
+    this.bridge = new WasmBridge(this.wasmModule);
+
+    // Mount + load persisted IDBFS in browser environment
+    if (this.bridge.isIdbfsAvailable()) {
+      mountIdbfsPaths(this.bridge, this.libraryPath, this.provisioningPath);
+      try {
+        await this.bridge.syncIdbfsFromStorage();
+      } catch {
+        // Ignore errors - might be first run or no existing data
+      }
+    }
+
+    if (adiPb) {
+      this.bridge.writeVirtualFile(joinPath(this.provisioningPath, "adi.pb"), adiPb);
+    }
+    this.bridge.writeVirtualFile(joinPath(this.libraryPath, "device.json"), deviceJsonBytes);
+
+    this.bridge.initFromBlobs(this.libs.storeservicescore, this.libs.coreadi, this.libraryPath, this.provisioningPath, this.identifier);
+
+    this.provisioning = new ProvisioningSession(this.bridge, this.device, this.httpClient);
+
+    const { otp, machineId } = this.bridge.requestOtp(this.dsid);
+
+    const now = new Date();
+    const tzOffset = -now.getTimezoneOffset();
+    const tzSign = tzOffset >= 0 ? "+" : "-";
+    const tzHours = String(Math.floor(Math.abs(tzOffset) / 60)).padStart(2, "0");
+    const tzMins = String(Math.abs(tzOffset) % 60).padStart(2, "0");
+    const timezone = `${tzSign}${tzHours}${tzMins}`;
+
+    return {
+      "X-Apple-I-Client-Time": toAppleClientTime(now),
+      "X-Apple-I-MD": toBase64(otp),
+      "X-Apple-I-MD-LU": this.device.localUserUuid,
+      "X-Apple-I-MD-M": toBase64(machineId),
+      "X-Apple-I-MD-RINFO": MD_RINFO,
+      "X-Apple-I-SRL-NO": "0",
+      "X-Apple-I-TimeZone": timezone,
+      "X-Apple-Locale": detectLocale(),
+      "X-MMe-Client-Info": this.device.serverFriendlyDescription,
+      "X-Mme-Device-Id": this.device.uniqueDeviceIdentifier,
+    };
+  }
+
+  /** Serialize device.json bytes for persistence. */
+  getDeviceJson(): Uint8Array {
+    return encodeUtf8(JSON.stringify(this.device.toJson(), null, 2));
+  }
+
+  /** Expose the device for inspection. */
+  getDevice(): Device {
+    return this.device;
+  }
+}
+
+function joinPath(base: string, file: string): string {
+  const b = base.endsWith("/") ? base : `${base}/`;
+  return `${b}${file}`;
+}
+
+function normalizeAdiPath(path: string): string {
+  const trimmed = path.trim().replace(/\\/g, "/");
+  if (!trimmed || trimmed === "." || trimmed === "./" || trimmed === "/") {
+    return "./";
+  }
+
+  const noTrail = trimmed.replace(/\/+$/, "");
+  if (!noTrail || noTrail === ".") {
+    return "./";
+  }
+
+  if (noTrail.startsWith("./") || noTrail.startsWith("../")) {
+    return `${noTrail}/`;
+  }
+  if (noTrail.startsWith("/")) {
+    return `.${noTrail}/`;
+  }
+  return `./${noTrail}/`;
+}
+
+function mountIdbfsPaths(
+  bridge: WasmBridge,
+  libraryPath: string,
+  provisioningPath: string
+): void {
+  const paths = new Set([libraryPath, provisioningPath]);
+  for (const path of paths) {
+    bridge.initIdbfs(path);
+  }
+}
+
+function readOptionalFile(bridge: WasmBridge, path: string): Uint8Array | null {
+  try {
+    return bridge.readVirtualFile(path);
+  } catch {
+    return null;
+  }
+}
+
+function parseDeviceJsonBytes(
+  bytes: Uint8Array | undefined
+): import("./types.js").DeviceJson | null {
+  if (!bytes) {
+    return null;
+  }
+  try {
+    return JSON.parse(decodeUtf8(bytes)) as import("./types.js").DeviceJson;
+  } catch {
+    return null;
+  }
+}
+
+function readDeviceJsonFromVfs(
+  bridge: WasmBridge,
+  path: string
+): import("./types.js").DeviceJson | null {
+  const bytes = readOptionalFile(bridge, path);
+  if (!bytes) {
+    return null;
+  }
+  return parseDeviceJsonBytes(bytes);
+}

js/src/browser.ts

@@ -0,0 +1,25 @@
+//@ts-expect-error no types for the Emscripten module factory
+import ModuleFactory from "./anisette_rs.js";
+export * from './index';
+export type EmscriptenModule = any;
+export interface ModuleOverrides {
+  [key: string]: any;
+}
+
+const wasmUrl = new URL("./anisette_rs.wasm", import.meta.url).href;
+
+export async function loadWasmModule(
+  moduleOverrides: ModuleOverrides = {}
+): Promise<EmscriptenModule> {
+  return ModuleFactory({
+    ...moduleOverrides,
+    locateFile: (filename: string) => {
+      if (filename.endsWith(".wasm")) return wasmUrl;
+      return filename;
+    },
+  });
+}
+
+export const loadWasm = loadWasmModule;
+export const isNodeEnvironment = () => false;
+export const getWasmBinaryPath = () => wasmUrl;

js/src/device.ts

@@ -0,0 +1,64 @@
+// Device identity management — loads or generates device.json
+
+import type { AnisetteDeviceConfig, DeviceJson } from "./types.js";
+import { randomHex, randomUUID } from "./utils.js";
+
+const DEFAULT_CLIENT_INFO =
+  "<MacBookPro13,2> <macOS;13.1;22C65> <com.apple.AuthKit/1 (com.apple.dt.Xcode/3594.4.19)>";
+
+export class Device {
+  readonly uniqueDeviceIdentifier: string;
+  readonly serverFriendlyDescription: string;
+  readonly adiIdentifier: string;
+  readonly localUserUuid: string;
+
+  private constructor(data: DeviceJson) {
+    this.uniqueDeviceIdentifier = data.UUID;
+    this.serverFriendlyDescription = data.clientInfo;
+    this.adiIdentifier = data.identifier;
+    this.localUserUuid = data.localUUID;
+  }
+
+  /** Load from a parsed device.json object, or generate defaults if null. */
+  static fromJson(
+    json: DeviceJson | null,
+    overrides?: Partial<AnisetteDeviceConfig>
+  ): Device {
+    const defaults = Device.generateDefaults();
+    const base: DeviceJson = json ?? {
+      UUID: defaults.uniqueDeviceId,
+      clientInfo: defaults.serverFriendlyDescription,
+      identifier: defaults.adiId,
+      localUUID: defaults.localUserUuid,
+    };
+
+    if (overrides) {
+      if (overrides.uniqueDeviceId) base.UUID = overrides.uniqueDeviceId;
+      if (overrides.serverFriendlyDescription)
+        base.clientInfo = overrides.serverFriendlyDescription;
+      if (overrides.adiId) base.identifier = overrides.adiId;
+      if (overrides.localUserUuid) base.localUUID = overrides.localUserUuid;
+    }
+
+    return new Device(base);
+  }
+
+  /** Serialize back to the device.json wire format. */
+  toJson(): DeviceJson {
+    return {
+      UUID: this.uniqueDeviceIdentifier,
+      clientInfo: this.serverFriendlyDescription,
+      identifier: this.adiIdentifier,
+      localUUID: this.localUserUuid,
+    };
+  }
+
+  static generateDefaults(): AnisetteDeviceConfig {
+    return {
+      serverFriendlyDescription: DEFAULT_CLIENT_INFO,
+      uniqueDeviceId: randomUUID(),
+      adiId: randomHex(8, false),
+      localUserUuid: randomHex(32, true),
+    };
+  }
+}

js/src/http.ts

@@ -0,0 +1,32 @@
+// HTTP client abstraction — allows swapping fetch vs Node.js http in tests
+
+export interface HttpClient {
+  get(url: string, headers: Record<string, string>): Promise<Uint8Array>;
+  post(
+    url: string,
+    body: string,
+    headers: Record<string, string>
+  ): Promise<Uint8Array>;
+}
+
+export class FetchHttpClient implements HttpClient {
+  async get(url: string, headers: Record<string, string>): Promise<Uint8Array> {
+    const response = await fetch(url, { method: "GET", headers });
+    if (!response.ok) {
+      throw new Error(`HTTP GET ${url} failed: ${response.status} ${response.statusText}`);
+    }
+    return new Uint8Array(await response.arrayBuffer());
+  }
+
+  async post(
+    url: string,
+    body: string,
+    headers: Record<string, string>
+  ): Promise<Uint8Array> {
+    const response = await fetch(url, { method: "POST", body, headers });
+    if (!response.ok) {
+      throw new Error(`HTTP POST ${url} failed: ${response.status} ${response.statusText}`);
+    }
+    return new Uint8Array(await response.arrayBuffer());
+  }
+}

js/src/index.ts

@@ -0,0 +1,25 @@
+// Public entry point — re-exports everything users need
+
+export { Anisette } from "./anisette.js";
+export { WasmBridge } from "./wasm-bridge.js";
+export { Device } from "./device.js";
+export { LibraryStore } from "./library.js";
+export { ProvisioningSession } from "./provisioning.js";
+export { FetchHttpClient } from "./http.js";
+export type { HttpClient } from "./http.js";
+export type {
+  AnisetteHeaders,
+  AnisetteDeviceConfig,
+  InitOptions,
+  DeviceJson,
+} from "./types.js";
+export type { AnisetteOptions } from "./anisette.js";
+
+export {
+  loadWasmModule,
+  loadWasmModule as loadWasm,
+  isNodeEnvironment,
+  getWasmBinaryPath,
+  type EmscriptenModule,
+  type ModuleOverrides,
+} from "./wasm-loader.js";

js/src/library.ts

@@ -0,0 +1,40 @@
+// LibraryStore — holds the two required Android .so blobs
+
+const REQUIRED_LIBS = [
+  "libstoreservicescore.so",
+  "libCoreADI.so",
+] as const;
+
+export type LibraryName = (typeof REQUIRED_LIBS)[number];
+
+export class LibraryStore {
+  private libs: Map<LibraryName, Uint8Array>;
+
+  private constructor(libs: Map<LibraryName, Uint8Array>) {
+    this.libs = libs;
+  }
+
+  static fromBlobs(
+    storeservicescore: Uint8Array,
+    coreadi: Uint8Array
+  ): LibraryStore {
+    const map = new Map<LibraryName, Uint8Array>();
+    map.set("libstoreservicescore.so", storeservicescore);
+    map.set("libCoreADI.so", coreadi);
+    return new LibraryStore(map);
+  }
+
+  get(name: LibraryName): Uint8Array {
+    const data = this.libs.get(name);
+    if (!data) throw new Error(`Library not loaded: ${name}`);
+    return data;
+  }
+
+  get storeservicescore(): Uint8Array {
+    return this.get("libstoreservicescore.so");
+  }
+
+  get coreadi(): Uint8Array {
+    return this.get("libCoreADI.so");
+  }
+}

js/src/provisioning.ts

@@ -0,0 +1,159 @@
+// ProvisioningSession — communicates with Apple servers to provision the device
+
+import { fromBase64, toBase64, toAppleClientTime } from "./utils.js";
+import type { WasmBridge } from "./wasm-bridge.js";
+import type { Device } from "./device.js";
+import type { HttpClient } from "./http.js";
+import { FetchHttpClient } from "./http.js";
+
+const LOOKUP_URL = "https://gsa.apple.com/grandslam/GsService2/lookup";
+
+const START_PROVISIONING_BODY = `<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>Header</key>
+  <dict/>
+  <key>Request</key>
+  <dict/>
+</dict>
+</plist>`;
+
+export class ProvisioningSession {
+  private bridge: WasmBridge;
+  private device: Device;
+  private http: HttpClient;
+  private urlBag: Record<string, string> = {};
+
+  constructor(bridge: WasmBridge, device: Device, http?: HttpClient) {
+    this.bridge = bridge;
+    this.device = device;
+    this.http = http ?? new FetchHttpClient();
+  }
+
+  async provision(dsid: bigint): Promise<void> {
+    if (Object.keys(this.urlBag).length === 0) {
+      await this.loadUrlBag();
+    }
+
+    const startUrl = this.urlBag["midStartProvisioning"];
+    const finishUrl = this.urlBag["midFinishProvisioning"];
+    if (!startUrl) throw new Error("url bag missing midStartProvisioning");
+    if (!finishUrl) throw new Error("url bag missing midFinishProvisioning");
+
+    // Step 1: get SPIM from Apple
+    const startBytes = await this.http.post(
+      startUrl,
+      START_PROVISIONING_BODY,
+      this.commonHeaders(true)
+    );
+    const startPlist = parsePlist(startBytes);
+    const spimB64 = plistGetStringInResponse(startPlist, "spim");
+    const spim = fromBase64(spimB64);
+
+    // Step 2: call WASM start_provisioning
+    const { cpim, session } = this.bridge.startProvisioning(dsid, spim);
+    const cpimB64 = toBase64(cpim);
+
+    // Step 3: send CPIM to Apple, get PTM + TK
+    const finishBody = buildFinishBody(cpimB64);
+    const finishBytes = await this.http.post(
+      finishUrl,
+      finishBody,
+      this.commonHeaders(true)
+    );
+    const finishPlist = parsePlist(finishBytes);
+    const ptm = fromBase64(plistGetStringInResponse(finishPlist, "ptm"));
+    const tk = fromBase64(plistGetStringInResponse(finishPlist, "tk"));
+
+    // Step 4: finalize provisioning in WASM
+    this.bridge.endProvisioning(session, ptm, tk);
+  }
+
+  private async loadUrlBag(): Promise<void> {
+    const bytes = await this.http.get(LOOKUP_URL, this.commonHeaders(false));
+    const plist = parsePlist(bytes);
+    const urls = plistGetDict(plist, "urls");
+    this.urlBag = {};
+    for (const [k, v] of Object.entries(urls)) {
+      if (typeof v === "string") this.urlBag[k] = v;
+    }
+  }
+
+  private commonHeaders(includeTime: boolean): Record<string, string> {
+    const headers: Record<string, string> = {
+      "User-Agent": "akd/1.0 CFNetwork/1404.0.5 Darwin/22.3.0",
+      "Content-Type": "application/x-www-form-urlencoded",
+      Connection: "keep-alive",
+      "X-Mme-Device-Id": this.device.uniqueDeviceIdentifier,
+      "X-MMe-Client-Info": this.device.serverFriendlyDescription,
+      "X-Apple-I-MD-LU": this.device.localUserUuid,
+      "X-Apple-Client-App-Name": "Setup",
+    };
+    if (includeTime) {
+      headers["X-Apple-I-Client-Time"] = toAppleClientTime();
+    }
+    return headers;
+  }
+}
+
+// ---- minimal plist XML parser ----
+// We only need to extract string values from Apple's response plists.
+
+interface PlistDict {
+  [key: string]: string | PlistDict;
+}
+
+function parsePlist(bytes: Uint8Array): PlistDict {
+  const xml = new TextDecoder("utf-8").decode(bytes);
+  return parsePlistDict(xml);
+}
+
+function parsePlistDict(xml: string): PlistDict {
+  const result: PlistDict = {};
+  // Match <key>...</key> followed by <string>...</string> or <dict>...</dict>
+  const keyRe = /<key>([^<]*)<\/key>\s*(<string>([^<]*)<\/string>|<dict>([\s\S]*?)<\/dict>)/g;
+  let m: RegExpExecArray | null;
+  while ((m = keyRe.exec(xml)) !== null) {
+    const key = m[1];
+    if (m[3] !== undefined) {
+      result[key] = m[3];
+    } else if (m[4] !== undefined) {
+      result[key] = parsePlistDict(m[4]);
+    }
+  }
+  return result;
+}
+
+function plistGetStringInResponse(plist: PlistDict, key: string): string {
+  const response = plist;
+  const value = (response as PlistDict)[key];
+  if (typeof value !== "string") {
+    throw new Error(`plist Response missing string field: ${key}`);
+  }
+  return value;
+}
+
+function plistGetDict(plist: PlistDict, key: string): PlistDict {
+  const value = plist[key];
+  if (!value || typeof value === "string") {
+    throw new Error(`plist missing dict field: ${key}`);
+  }
+  return value as PlistDict;
+}
+
+function buildFinishBody(cpimB64: string): string {
+  return `<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>Header</key>
+  <dict/>
+  <key>Request</key>
+  <dict>
+    <key>cpim</key>
+    <string>${cpimB64}</string>
+  </dict>
+</dict>
+</plist>`;
+}

js/src/types.ts

@@ -0,0 +1,48 @@
+// Core type definitions for the Anisette JS/TS API
+
+export interface AnisetteDeviceConfig {
+  /** Human-readable device description sent to Apple servers */
+  serverFriendlyDescription: string;
+  /** Unique device UUID (uppercase) */
+  uniqueDeviceId: string;
+  /** ADI identifier (hex string) */
+  adiId: string;
+  /** Local user UUID (uppercase hex) */
+  localUserUuid: string;
+}
+
+export interface AnisetteHeaders {
+  "X-Apple-I-Client-Time": string;
+  "X-Apple-I-MD": string;
+  "X-Apple-I-MD-LU": string;
+  "X-Apple-I-MD-M": string;
+  "X-Apple-I-MD-RINFO": string;
+  "X-Apple-I-SRL-NO": string;
+  "X-Apple-I-TimeZone": string;
+  "X-Apple-Locale": string;
+  "X-MMe-Client-Info": string;
+  "X-Mme-Device-Id": string;
+}
+
+export interface InitOptions {
+  /** Path prefix used inside the WASM virtual filesystem for library files */
+  libraryPath?: string;
+  /** Path prefix used inside the WASM virtual filesystem for provisioning data */
+  provisioningPath?: string;
+  /** ADI identifier override */
+  identifier?: string;
+  /** Override parts of the generated device config */
+  deviceConfig?: Partial<AnisetteDeviceConfig>;
+  /** Existing adi.pb bytes to restore into the WASM VFS (for resuming a provisioned session) */
+  adiPb?: Uint8Array;
+  /** Existing device.json bytes to restore into the WASM VFS */
+  deviceJsonBytes?: Uint8Array;
+}
+
+/** Raw device.json structure as stored on disk / in WASM VFS */
+export interface DeviceJson {
+  UUID: string;
+  clientInfo: string;
+  identifier: string;
+  localUUID: string;
+}

js/src/utils.ts

@@ -0,0 +1,91 @@
+// Utility functions shared across modules
+
+const TEXT_ENCODER = new TextEncoder();
+const TEXT_DECODER = new TextDecoder("utf-8");
+
+/** Encode string to UTF-8 bytes */
+export function encodeUtf8(str: string): Uint8Array {
+  return TEXT_ENCODER.encode(str);
+}
+
+/** Decode UTF-8 bytes to string */
+export function decodeUtf8(bytes: Uint8Array): string {
+  return TEXT_DECODER.decode(bytes);
+}
+
+/** Encode bytes to base64 string */
+export function toBase64(bytes: Uint8Array): string {
+  if (bytes.length === 0) return "";
+  // Works in both browser and Node.js (Node 16+)
+  if (typeof Buffer !== "undefined") {
+    return Buffer.from(bytes).toString("base64");
+  }
+  let binary = "";
+  for (let i = 0; i < bytes.length; i++) {
+    binary += String.fromCharCode(bytes[i]);
+  }
+  return btoa(binary);
+}
+
+/** Decode base64 string to bytes */
+export function fromBase64(b64: string): Uint8Array {
+  if (typeof Buffer !== "undefined") {
+    return new Uint8Array(Buffer.from(b64, "base64"));
+  }
+  const binary = atob(b64);
+  const bytes = new Uint8Array(binary.length);
+  for (let i = 0; i < binary.length; i++) {
+    bytes[i] = binary.charCodeAt(i);
+  }
+  return bytes;
+}
+
+/** Format a Date as Apple client time string (ISO 8601 without milliseconds) */
+export function toAppleClientTime(date: Date = new Date()): string {
+  return date.toISOString().replace(/\.\d{3}Z$/, "Z");
+}
+
+/** Detect locale string in Apple format (e.g. "en_US") */
+export function detectLocale(): string {
+  const locale =
+    (typeof Intl !== "undefined" &&
+      Intl.DateTimeFormat().resolvedOptions().locale) ||
+    "en-US";
+  return locale.replace("-", "_");
+}
+
+/** Generate a random hex string of the given byte length */
+export function randomHex(byteLen: number, uppercase = false): string {
+  const bytes = new Uint8Array(byteLen);
+  if (typeof crypto !== "undefined" && crypto.getRandomValues) {
+    crypto.getRandomValues(bytes);
+  } else {
+    // Node.js fallback
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
+    const nodeCrypto = require("crypto") as typeof import("crypto");
+    const buf = nodeCrypto.randomBytes(byteLen);
+    bytes.set(buf);
+  }
+  let hex = Array.from(bytes)
+    .map((b) => b.toString(16).padStart(2, "0"))
+    .join("");
+  return uppercase ? hex.toUpperCase() : hex;
+}
+
+/** Generate a random UUID v4 (uppercase) */
+export function randomUUID(): string {
+  if (typeof crypto !== "undefined" && crypto.randomUUID) {
+    return crypto.randomUUID().toUpperCase();
+  }
+  // Manual fallback
+  const hex = randomHex(16);
+  return [
+    hex.slice(0, 8),
+    hex.slice(8, 12),
+    "4" + hex.slice(13, 16),
+    ((parseInt(hex[16], 16) & 0x3) | 0x8).toString(16) + hex.slice(17, 20),
+    hex.slice(20, 32),
+  ]
+    .join("-")
+    .toUpperCase();
+}

js/src/wasm-bridge.ts

@@ -0,0 +1,316 @@
+// Low-level bridge to the Emscripten-generated WASM module.
+// Handles all pointer/length marshalling so higher layers never touch raw memory.
+
+export interface StartProvisioningResult {
+  cpim: Uint8Array;
+  session: number;
+}
+
+export interface RequestOtpResult {
+  otp: Uint8Array;
+  machineId: Uint8Array;
+}
+
+export class WasmBridge {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  private m: any;
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  constructor(wasmModule: any) {
+    this.m = wasmModule;
+  }
+
+  // ---- memory helpers ----
+
+  private allocBytes(bytes: Uint8Array): number {
+    const ptr = this.m._malloc(bytes.length) as number;
+    this.m.HEAPU8.set(bytes, ptr);
+    return ptr;
+  }
+
+  private allocCString(value: string | null | undefined): number {
+    if (!value) return 0;
+    const size = (this.m.lengthBytesUTF8(value) as number) + 1;
+    const ptr = this.m._malloc(size) as number;
+    this.m.stringToUTF8(value, ptr, size);
+    return ptr;
+  }
+
+  private readBytes(ptr: number, len: number): Uint8Array {
+    if (!ptr || !len) return new Uint8Array(0);
+    return (this.m.HEAPU8 as Uint8Array).slice(ptr, ptr + len);
+  }
+
+  private free(ptr: number): void {
+    if (ptr) this.m._free(ptr);
+  }
+
+  // ---- error handling ----
+
+  getLastError(): string {
+    const ptr = this.m._anisette_last_error_ptr() as number;
+    const len = this.m._anisette_last_error_len() as number;
+    if (!ptr || !len) return "";
+    const bytes = (this.m.HEAPU8 as Uint8Array).subarray(ptr, ptr + len);
+    return new TextDecoder("utf-8").decode(bytes);
+  }
+
+  private check(result: number, context: string): void {
+    if (result !== 0) {
+      const msg = this.getLastError();
+      throw new Error(`${context}: ${msg || "unknown error"}`);
+    }
+  }
+
+  // ---- public API ----
+
+  /**
+   * Initialize ADI from in-memory library blobs.
+   */
+  initFromBlobs(
+    storeservices: Uint8Array,
+    coreadi: Uint8Array,
+    libraryPath: string,
+    provisioningPath?: string,
+    identifier?: string
+  ): void {
+    const ssPtr = this.allocBytes(storeservices);
+    const caPtr = this.allocBytes(coreadi);
+    const libPtr = this.allocCString(libraryPath);
+    const provPtr = this.allocCString(provisioningPath ?? null);
+    const idPtr = this.allocCString(identifier ?? null);
+
+    try {
+      const result = this.m._anisette_init_from_blobs(
+        ssPtr,
+        storeservices.length,
+        caPtr,
+        coreadi.length,
+        libPtr,
+        provPtr,
+        idPtr
+      ) as number;
+      this.check(result, "anisette_init_from_blobs");
+    } finally {
+      this.free(ssPtr);
+      this.free(caPtr);
+      this.free(libPtr);
+      this.free(provPtr);
+      this.free(idPtr);
+    }
+  }
+
+  /**
+   * Read a file from the WASM virtual filesystem.
+   */
+  readVirtualFile(filePath: string): Uint8Array {
+    const pathPtr = this.allocCString(filePath);
+    try {
+      const result = this.m._anisette_fs_read_file(pathPtr) as number;
+      this.check(result, `anisette_fs_read_file(${filePath})`);
+    } finally {
+      this.free(pathPtr);
+    }
+    const ptr = this.m._anisette_fs_read_ptr() as number;
+    const len = this.m._anisette_fs_read_len() as number;
+    return this.readBytes(ptr, len);
+  }
+
+  /**
+   * Write a file into the WASM virtual filesystem.
+   */
+  writeVirtualFile(filePath: string, data: Uint8Array): void {
+    const pathPtr = this.allocCString(filePath);
+    const dataPtr = this.allocBytes(data);
+    try {
+      const result = this.m._anisette_fs_write_file(
+        pathPtr,
+        dataPtr,
+        data.length
+      ) as number;
+      this.check(result, `anisette_fs_write_file(${filePath})`);
+    } finally {
+      this.free(pathPtr);
+      this.free(dataPtr);
+    }
+  }
+
+  /**
+   * Returns 1 if provisioned, 0 if not, throws on error.
+   */
+  isMachineProvisioned(dsid: bigint): boolean {
+    const result = this.m._anisette_is_machine_provisioned(dsid) as number;
+    if (result < 0) {
+      throw new Error(
+        `anisette_is_machine_provisioned: ${this.getLastError()}`
+      );
+    }
+    return result === 1;
+  }
+
+  /**
+   * Start provisioning — returns CPIM bytes and session handle.
+   */
+  startProvisioning(
+    dsid: bigint,
+    spim: Uint8Array
+  ): StartProvisioningResult {
+    const spimPtr = this.allocBytes(spim);
+    try {
+      const result = this.m._anisette_start_provisioning(
+        dsid,
+        spimPtr,
+        spim.length
+      ) as number;
+      this.check(result, "anisette_start_provisioning");
+    } finally {
+      this.free(spimPtr);
+    }
+
+    const cpimPtr = this.m._anisette_get_cpim_ptr() as number;
+    const cpimLen = this.m._anisette_get_cpim_len() as number;
+    const session = this.m._anisette_get_session() as number;
+
+    return {
+      cpim: this.readBytes(cpimPtr, cpimLen),
+      session,
+    };
+  }
+
+  /**
+   * Finish provisioning with PTM and TK from Apple servers.
+   */
+  endProvisioning(session: number, ptm: Uint8Array, tk: Uint8Array): void {
+    const ptmPtr = this.allocBytes(ptm);
+    const tkPtr = this.allocBytes(tk);
+    try {
+      const result = this.m._anisette_end_provisioning(
+        session,
+        ptmPtr,
+        ptm.length,
+        tkPtr,
+        tk.length
+      ) as number;
+      this.check(result, "anisette_end_provisioning");
+    } finally {
+      this.free(ptmPtr);
+      this.free(tkPtr);
+    }
+  }
+
+  /**
+   * Request OTP — returns OTP bytes and machine ID bytes.
+   */
+  requestOtp(dsid: bigint): RequestOtpResult {
+    const result = this.m._anisette_request_otp(dsid) as number;
+    this.check(result, "anisette_request_otp");
+
+    const otpPtr = this.m._anisette_get_otp_ptr() as number;
+    const otpLen = this.m._anisette_get_otp_len() as number;
+    const midPtr = this.m._anisette_get_mid_ptr() as number;
+    const midLen = this.m._anisette_get_mid_len() as number;
+
+    return {
+      otp: this.readBytes(otpPtr, otpLen),
+      machineId: this.readBytes(midPtr, midLen),
+    };
+  }
+
+  /**
+   * Check if IDBFS is available (browser environment only).
+   */
+  isIdbfsAvailable(): boolean {
+    try {
+      return !!(this.m.FS && this.m.FS.filesystems?.IDBFS);
+    } catch {
+      return false;
+    }
+  }
+
+  /**
+   * Initialize IDBFS for browser persistence.
+   * Only works in browser environments with IDBFS available.
+   */
+  initIdbfs(path: string): void {
+    // Check if FS and IDBFS are available (browser only)
+    if (!this.isIdbfsAvailable()) {
+      return; // Node.js or environment without IDBFS
+    }
+
+    const normalizedPath = this.normalizeMountPath(path);
+
+    // Create directory structure
+    if (normalizedPath !== "/") {
+      try {
+        this.m.FS.mkdirTree(normalizedPath);
+      } catch {
+        // Directory already exists, ignore
+      }
+    }
+
+    // Mount IDBFS
+    try {
+      this.m.FS.mount(this.m.FS.filesystems.IDBFS, {}, normalizedPath);
+    } catch {
+      // Already mounted, ignore
+    }
+  }
+
+  /**
+   * Sync IDBFS from IndexedDB to memory (async).
+   * Must be called after initIdbfs to load existing data from IndexedDB.
+   * Only works in browser environments with IDBFS available.
+   */
+  async syncIdbfsFromStorage(): Promise<void> {
+    if (!this.isIdbfsAvailable()) {
+      return; // IDBFS not available, skip silently
+    }
+
+    return new Promise((resolve, reject) => {
+      this.m.FS.syncfs(true, (err: Error | null) => {
+        if (err) {
+          console.error("[anisette] IDBFS sync from storage failed:", err);
+          reject(err);
+        } else {
+          resolve();
+        }
+      });
+    });
+  }
+
+  /**
+   * Sync IDBFS from memory to IndexedDB (async).
+   * Must be called after modifying files to persist them.
+   * Only works in browser environments with IDBFS available.
+   */
+  async syncIdbfsToStorage(): Promise<void> {
+    if (!this.isIdbfsAvailable()) {
+      return; // IDBFS not available, skip silently
+    }
+
+    return new Promise((resolve, reject) => {
+      this.m.FS.syncfs(false, (err: Error | null) => {
+        if (err) {
+          console.error("[anisette] IDBFS sync to storage failed:", err);
+          reject(err);
+        } else {
+          resolve();
+        }
+      });
+    });
+  }
+
+  private normalizeMountPath(path: string): string {
+    const trimmed = path.trim();
+    const noSlash = trimmed.replace(/\/+$/, "");
+    const noDot = noSlash.startsWith("./") ? noSlash.slice(2) : noSlash;
+
+    if (!noDot || noDot === ".") {
+      return "/";
+    } else if (noDot.startsWith("/")) {
+      return noDot;
+    } else {
+      return "/" + noDot;
+    }
+  }
+}

js/src/wasm-loader.ts

@@ -0,0 +1,94 @@
+// Unified WASM loader with automatic environment detection
+// Uses import.meta.url + protocol detection to support both Node.js and Browser
+//
+// Browser (Vite/Webpack/etc):  https://... or http://... -> anisette_rs.js + .wasm
+// Node.js:                     file://...                 -> anisette_rs.node.js + .wasm
+
+// Get the base URL from import.meta.url
+const MODULE_URL = new URL(import.meta.url);
+const IS_NODE = MODULE_URL.protocol === "file:";
+
+// Determine which WASM build to use based on environment
+const WASM_JS_PATH = IS_NODE
+  ? new URL("../dist/anisette_rs.node.js", MODULE_URL)
+  : new URL("../dist/anisette_rs.js", MODULE_URL);
+
+const WASM_BINARY_PATH = IS_NODE
+  ? new URL("../dist/anisette_rs.node.wasm", MODULE_URL)
+  : new URL("../dist/anisette_rs.wasm", MODULE_URL);
+
+// Module overrides type (Emscripten module configuration)
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type EmscriptenModule = any;
+
+export interface ModuleOverrides {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  [key: string]: any;
+}
+
+/**
+ * Load the Emscripten WASM module with automatic environment detection.
+ *
+ * This function automatically:
+ * - Detects Node.js vs Browser environment via import.meta.url protocol
+ * - Loads the appropriate WASM build (node or web)
+ * - Configures locateFile to find the .wasm binary
+ * - Initializes the module with optional overrides
+ *
+ * @param moduleOverrides - Optional Emscripten module configuration overrides
+ * @returns Initialized Emscripten module with all exports (_malloc, _free, _anisette_* etc.)
+ *
+ * @example
+ * ```ts
+ * // Browser (Vue/React/Next.js) and Node.js - same code!
+ * const module = await loadWasmModule();
+ *
+ * // With custom overrides
+ * const module = await loadWasmModule({
+ *   print: (text: string) => console.log("WASM:", text),
+ *   printErr: (text: string) => console.error("WASM Error:", text),
+ * });
+ * ```
+ */
+export async function loadWasmModule(
+  moduleOverrides: ModuleOverrides = {}
+): Promise<EmscriptenModule> {
+  // Dynamic import of the appropriate Emscripten glue file
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const { default: ModuleFactory } = await import(/* @vite-ignore */ WASM_JS_PATH.href) as { default: (config: ModuleOverrides) => Promise<EmscriptenModule> };
+
+  // In browser: let Emscripten use default fetch behavior
+  // In Node.js: provide locateFile to resolve the .wasm path
+  const config: ModuleOverrides = IS_NODE
+    ? {
+        ...moduleOverrides,
+        locateFile: (filename: string) => {
+          if (filename.endsWith(".wasm")) {
+            // In Node.js, return the absolute file path
+            return WASM_BINARY_PATH.pathname;
+          }
+          return filename;
+        },
+      }
+    : moduleOverrides;
+
+  return ModuleFactory(config);
+}
+
+/**
+ * Convenience function to check if running in Node.js environment.
+ * Uses the same protocol detection as the loader.
+ */
+export function isNodeEnvironment(): boolean {
+  return IS_NODE;
+}
+
+/**
+ * Get the resolved WASM binary path (useful for debugging).
+ */
+export function getWasmBinaryPath(): string {
+  return IS_NODE ? WASM_BINARY_PATH.pathname : WASM_BINARY_PATH.href;
+}
+
+// Re-export for backward compatibility
+export { loadWasmModule as loadWasm };

js/tsconfig.json

@@ -0,0 +1,18 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "lib": ["ES2022", "DOM"],
+    "outDir": "./dist",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist"]
+}

package.json

@@ -3,7 +3,10 @@
   "scripts": {
     "build:unicorn": "bash script/rebuild-unicorn.sh",
     "build:glue": "bash script/build-glue.sh",
-    "build:release": "bash script/build-glue.sh --release",
+    "build:js": "cd js && bun install && bun run build",
-    "run:node": "bun test/run-node.mjs"
+    "build": "bash script/build-glue.sh && cd js && bun install && bun run build",
+    "release": "bash script/build-glue.sh --release && cd js && bun install && bun run build",
+    "run:node": "node example/run-node.mjs",
+    "run:api": "node example/anisette-api.mjs"
   }
 }

script/build-glue.sh

@@ -8,7 +8,7 @@ fi
 
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 TARGET_DIR="${ROOT_DIR}/target/wasm32-unknown-emscripten/${BUILD_MODE}"
-DIST_DIR="${ROOT_DIR}/dist"
+DIST_DIR="${ROOT_DIR}/js/src"
 # EMSDK_DIR="${EMSDK:-/Users/libr/Desktop/Life/emsdk}"
 UNICORN_BUILD_DIR="${UNICORN_BUILD_DIR:-${ROOT_DIR}/../unicorn/build}"
 NODE_DIST_JS="${DIST_DIR}/anisette_rs.node.js"
@@ -16,8 +16,8 @@ NODE_DIST_WASM="${DIST_DIR}/anisette_rs.node.wasm"
 
 
 
-WEB_EXPORTED_FUNCTIONS='["_malloc","_free","_anisette_init_from_blobs","_anisette_is_machine_provisioned","_anisette_start_provisioning","_anisette_end_provisioning","_anisette_request_otp","_anisette_get_cpim_ptr","_anisette_get_cpim_len","_anisette_get_session","_anisette_get_otp_ptr","_anisette_get_otp_len","_anisette_get_mid_ptr","_anisette_get_mid_len","_anisette_last_error_ptr","_anisette_last_error_len","_anisette_fs_write_file","_anisette_idbfs_init","_anisette_idbfs_sync","_anisette_set_identifier","_anisette_set_provisioning_path"]'
+WEB_EXPORTED_FUNCTIONS='["_malloc","_free","_anisette_init_from_blobs","_anisette_is_machine_provisioned","_anisette_start_provisioning","_anisette_end_provisioning","_anisette_request_otp","_anisette_get_cpim_ptr","_anisette_get_cpim_len","_anisette_get_session","_anisette_get_otp_ptr","_anisette_get_otp_len","_anisette_get_mid_ptr","_anisette_get_mid_len","_anisette_last_error_ptr","_anisette_last_error_len","_anisette_fs_write_file","_anisette_fs_read_file","_anisette_fs_read_ptr","_anisette_fs_read_len","_anisette_idbfs_sync","_anisette_set_identifier","_anisette_set_provisioning_path"]'
-NODE_EXPORTED_FUNCTIONS='["_malloc","_free","_anisette_init_from_blobs","_anisette_is_machine_provisioned","_anisette_start_provisioning","_anisette_end_provisioning","_anisette_request_otp","_anisette_get_cpim_ptr","_anisette_get_cpim_len","_anisette_get_session","_anisette_get_otp_ptr","_anisette_get_otp_len","_anisette_get_mid_ptr","_anisette_get_mid_len","_anisette_last_error_ptr","_anisette_last_error_len","_anisette_fs_write_file","_anisette_set_identifier","_anisette_set_provisioning_path"]'
+NODE_EXPORTED_FUNCTIONS='["_malloc","_free","_anisette_init_from_blobs","_anisette_is_machine_provisioned","_anisette_start_provisioning","_anisette_end_provisioning","_anisette_request_otp","_anisette_get_cpim_ptr","_anisette_get_cpim_len","_anisette_get_session","_anisette_get_otp_ptr","_anisette_get_otp_len","_anisette_get_mid_ptr","_anisette_get_mid_len","_anisette_last_error_ptr","_anisette_last_error_len","_anisette_fs_write_file","_anisette_fs_read_file","_anisette_fs_read_ptr","_anisette_fs_read_len","_anisette_set_identifier","_anisette_set_provisioning_path"]'
 WEB_EXPORTED_RUNTIME_METHODS='["FS","HEAPU8","UTF8ToString","stringToUTF8","lengthBytesUTF8"]'
 NODE_EXPORTED_RUNTIME_METHODS='["HEAPU8","UTF8ToString","stringToUTF8","lengthBytesUTF8"]'
 
@@ -66,6 +66,7 @@ emcc \
   -sEXPORT_ES6=1 \
   -sENVIRONMENT=web \
   -sWASM=1 \
+  -sSINGLE_FILE=1 \
   -sALLOW_MEMORY_GROWTH=1 \
   -sINITIAL_MEMORY=268435456 \
   -sWASM_BIGINT=1 \
@@ -81,6 +82,7 @@ emcc \
   -sEXPORT_ES6=1 \
   -sENVIRONMENT=node \
   -sWASM=1 \
+  -sSINGLE_FILE=1 \
   -sALLOW_MEMORY_GROWTH=1 \
   -sINITIAL_MEMORY=268435456 \
   -sWASM_BIGINT=1 \
@@ -91,12 +93,4 @@ emcc \
 
 echo "glue build done:"
 echo "  ${DIST_DIR}/anisette_rs.js"
-echo "  ${DIST_DIR}/anisette_rs.wasm"
+echo "  ${DIST_DIR}/anisette_rs.node.js"
-echo "  ${NODE_DIST_JS}"
-echo "  ${NODE_DIST_WASM}"
-
-# Copy to frontend if directory exists (skip in CI if not present)
-if [[ -d "${ROOT_DIR}/../../frontend/public/anisette" ]]; then
-  cp "${DIST_DIR}/anisette_rs.js" "${ROOT_DIR}/../../frontend/public/anisette/anisette_rs.js"
-  cp "${DIST_DIR}/anisette_rs.wasm" "${ROOT_DIR}/../../frontend/public/anisette/anisette_rs.wasm"
-fi

src/debug.rs

@@ -33,25 +33,25 @@ pub(crate) fn trace_mem_invalid_hook(
     let pc = reg_or_zero(uc, RegisterARM64::PC);
     match access {
         MemType::READ_UNMAPPED => {
-            debug_print(format!(
+            println!(
                 ">>> Missing memory is being READ at 0x{address:x}, data size = {size}, data value = 0x{:x}, PC=0x{pc:x}",
                 value as u64
-            ));
+            );
             dump_registers(uc, "read unmapped");
         }
         MemType::WRITE_UNMAPPED => {
-            debug_print(format!(
+            println!(
                 ">>> Missing memory is being WRITE at 0x{address:x}, data size = {size}, data value = 0x{:x}, PC=0x{pc:x}",
                 value as u64
-            ));
+            );
 
             dump_registers(uc, "write unmapped");
         }
         MemType::FETCH_UNMAPPED => {
-            debug_print(format!(
+            println!(
                 ">>> Missing memory is being FETCH at 0x{address:x}, data size = {size}, data value = 0x{:x}, PC=0x{pc:x}",
                 value as u64
-            ));
+            );
         }
         _ => {}
     }

src/exports.rs

@@ -3,7 +3,7 @@ use std::ffi::{CStr, c_char};
 use std::fs;
 use std::path::Path;
 
-use crate::{Adi, AdiInit, init_idbfs_for_path, sync_idbfs};
+use crate::{Adi, AdiInit, sync_idbfs};
 
 #[derive(Default)]
 struct ExportState {
@@ -13,6 +13,7 @@ struct ExportState {
     session: u32,
     otp: Vec<u8>,
     mid: Vec<u8>,
+    read_buf: Vec<u8>,
 }
 
 thread_local! {
@@ -407,15 +408,15 @@ pub extern "C" fn anisette_fs_write_file(
 }
 
 #[unsafe(no_mangle)]
-pub extern "C" fn anisette_idbfs_init(path: *const c_char) -> i32 {
+pub extern "C" fn anisette_fs_read_file(path: *const c_char) -> i32 {
-    let result = (|| -> Result<(), String> {
+    let result = (|| -> Result<Vec<u8>, String> {
         let path = unsafe { c_string(path)? };
-        init_idbfs_for_path(&path)?;
+        fs::read(&path).map_err(|e| format!("failed to read '{path}': {e}"))
-        Ok(())
     })();
 
     match result {
-        Ok(()) => {
+        Ok(data) => {
+            STATE.with(|state| state.borrow_mut().read_buf = data);
             clear_last_error();
             0
         }
@@ -426,6 +427,16 @@ pub extern "C" fn anisette_idbfs_init(path: *const c_char) -> i32 {
     }
 }
 
+#[unsafe(no_mangle)]
+pub extern "C" fn anisette_fs_read_ptr() -> *const u8 {
+    STATE.with(|state| state.borrow().read_buf.as_ptr())
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn anisette_fs_read_len() -> usize {
+    STATE.with(|state| state.borrow().read_buf.len())
+}
+
 #[unsafe(no_mangle)]
 pub extern "C" fn anisette_idbfs_sync(populate_from_storage: i32) -> i32 {
     let result = sync_idbfs(populate_from_storage != 0);