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-rw-r--r--src-tauri/src/core/config.rs14
-rw-r--r--src-tauri/src/core/downloader.rs444
-rw-r--r--src-tauri/src/core/fabric.rs274
-rw-r--r--src-tauri/src/core/forge.rs336
-rw-r--r--src-tauri/src/core/game_version.rs47
-rw-r--r--src-tauri/src/core/java.rs727
-rw-r--r--src-tauri/src/core/manifest.rs154
-rw-r--r--src-tauri/src/core/maven.rs263
-rw-r--r--src-tauri/src/core/mod.rs4
-rw-r--r--src-tauri/src/core/rules.rs7
-rw-r--r--src-tauri/src/core/version_merge.rs244
-rw-r--r--src-tauri/src/main.rs508
-rw-r--r--src-tauri/src/utils/zip.rs75
13 files changed, 3022 insertions, 75 deletions
diff --git a/src-tauri/src/core/config.rs b/src-tauri/src/core/config.rs
index d6d594f..43c8145 100644
--- a/src-tauri/src/core/config.rs
+++ b/src-tauri/src/core/config.rs
@@ -13,6 +13,13 @@ pub struct LauncherConfig {
pub width: u32,
pub height: u32,
pub download_threads: u32, // concurrent download threads (1-128)
+ pub custom_background_path: Option<String>,
+ pub enable_gpu_acceleration: bool,
+ pub enable_visual_effects: bool,
+ pub active_effect: String,
+ pub theme: String,
+ pub log_upload_service: String, // "paste.rs" or "pastebin.com"
+ pub pastebin_api_key: Option<String>,
}
impl Default for LauncherConfig {
@@ -24,6 +31,13 @@ impl Default for LauncherConfig {
width: 854,
height: 480,
download_threads: 32,
+ custom_background_path: None,
+ enable_gpu_acceleration: false,
+ enable_visual_effects: true,
+ active_effect: "constellation".to_string(),
+ theme: "dark".to_string(),
+ log_upload_service: "paste.rs".to_string(),
+ pastebin_api_key: None,
}
}
}
diff --git a/src-tauri/src/core/downloader.rs b/src-tauri/src/core/downloader.rs
index 3add9b7..bf6334f 100644
--- a/src-tauri/src/core/downloader.rs
+++ b/src-tauri/src/core/downloader.rs
@@ -1,17 +1,415 @@
use futures::StreamExt;
use serde::{Deserialize, Serialize};
+use sha1::Digest as Sha1Digest;
use std::path::PathBuf;
-use std::sync::atomic::{AtomicU64, AtomicUsize, Ordering};
+use std::sync::atomic::{AtomicBool, AtomicU64, AtomicUsize, Ordering};
use std::sync::Arc;
-use tauri::{Emitter, Window};
-use tokio::io::AsyncWriteExt;
+use tauri::{AppHandle, Emitter, Manager, Window};
+use tokio::io::{AsyncSeekExt, AsyncWriteExt};
use tokio::sync::Semaphore;
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DownloadTask {
pub url: String,
pub path: PathBuf,
+ #[serde(default)]
pub sha1: Option<String>,
+ #[serde(default)]
+ pub sha256: Option<String>,
+}
+
+/// Metadata for resumable downloads stored in .part.meta file
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DownloadMetadata {
+ pub url: String,
+ pub file_name: String,
+ pub total_size: u64,
+ pub downloaded_bytes: u64,
+ pub checksum: Option<String>,
+ pub timestamp: u64,
+ pub segments: Vec<DownloadSegment>,
+}
+
+/// A download segment for multi-segment parallel downloading
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DownloadSegment {
+ pub start: u64,
+ pub end: u64,
+ pub downloaded: u64,
+ pub completed: bool,
+}
+
+/// Progress event for Java download
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct JavaDownloadProgress {
+ pub file_name: String,
+ pub downloaded_bytes: u64,
+ pub total_bytes: u64,
+ pub speed_bytes_per_sec: u64,
+ pub eta_seconds: u64,
+ pub status: String, // "Downloading", "Extracting", "Verifying", "Completed", "Paused", "Error"
+ pub percentage: f32,
+}
+
+/// Pending download task for queue persistence
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PendingJavaDownload {
+ pub major_version: u32,
+ pub image_type: String,
+ pub download_url: String,
+ pub file_name: String,
+ pub file_size: u64,
+ pub checksum: Option<String>,
+ pub install_path: String,
+ pub created_at: u64,
+}
+
+/// Download queue for persistence
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct DownloadQueue {
+ pub pending_downloads: Vec<PendingJavaDownload>,
+}
+
+impl DownloadQueue {
+ /// Load download queue from file
+ pub fn load(app_handle: &AppHandle) -> Self {
+ let queue_path = app_handle
+ .path()
+ .app_data_dir()
+ .unwrap()
+ .join("download_queue.json");
+ if queue_path.exists() {
+ if let Ok(content) = std::fs::read_to_string(&queue_path) {
+ if let Ok(queue) = serde_json::from_str(&content) {
+ return queue;
+ }
+ }
+ }
+ Self::default()
+ }
+
+ /// Save download queue to file
+ pub fn save(&self, app_handle: &AppHandle) -> Result<(), String> {
+ let queue_path = app_handle
+ .path()
+ .app_data_dir()
+ .unwrap()
+ .join("download_queue.json");
+ let content = serde_json::to_string_pretty(self).map_err(|e| e.to_string())?;
+ std::fs::write(&queue_path, content).map_err(|e| e.to_string())?;
+ Ok(())
+ }
+
+ /// Add a pending download
+ pub fn add(&mut self, download: PendingJavaDownload) {
+ // Remove existing download for same version/type
+ self.pending_downloads.retain(|d| {
+ !(d.major_version == download.major_version && d.image_type == download.image_type)
+ });
+ self.pending_downloads.push(download);
+ }
+
+ /// Remove a completed or cancelled download
+ pub fn remove(&mut self, major_version: u32, image_type: &str) {
+ self.pending_downloads.retain(|d| {
+ !(d.major_version == major_version && d.image_type == image_type)
+ });
+ }
+}
+
+/// Global cancel flag for Java downloads
+pub static JAVA_DOWNLOAD_CANCELLED: AtomicBool = AtomicBool::new(false);
+
+/// Reset the cancel flag
+pub fn reset_java_download_cancel() {
+ JAVA_DOWNLOAD_CANCELLED.store(false, Ordering::SeqCst);
+}
+
+/// Cancel the current Java download
+pub fn cancel_java_download() {
+ JAVA_DOWNLOAD_CANCELLED.store(true, Ordering::SeqCst);
+}
+
+/// Check if download is cancelled
+pub fn is_java_download_cancelled() -> bool {
+ JAVA_DOWNLOAD_CANCELLED.load(Ordering::SeqCst)
+}
+
+/// Determine optimal segment count based on file size
+fn get_segment_count(file_size: u64) -> usize {
+ if file_size < 20 * 1024 * 1024 {
+ 1 // < 20MB: single segment
+ } else if file_size < 100 * 1024 * 1024 {
+ 4 // 20-100MB: 4 segments
+ } else {
+ 8 // > 100MB: 8 segments
+ }
+}
+
+/// Download a large file with resume support and progress events
+pub async fn download_with_resume(
+ app_handle: &AppHandle,
+ url: &str,
+ dest_path: &PathBuf,
+ checksum: Option<&str>,
+ total_size: u64,
+) -> Result<(), String> {
+ reset_java_download_cancel();
+
+ let part_path = dest_path.with_extension(
+ dest_path
+ .extension()
+ .map(|e| format!("{}.part", e.to_string_lossy()))
+ .unwrap_or_else(|| "part".to_string()),
+ );
+ let meta_path = PathBuf::from(format!("{}.meta", part_path.display()));
+ let file_name = dest_path
+ .file_name()
+ .unwrap_or_default()
+ .to_string_lossy()
+ .to_string();
+
+ // Load or create metadata
+ let mut metadata = if meta_path.exists() {
+ let content = tokio::fs::read_to_string(&meta_path)
+ .await
+ .map_err(|e| e.to_string())?;
+ serde_json::from_str(&content).unwrap_or_else(|_| create_new_metadata(url, &file_name, total_size, checksum))
+ } else {
+ create_new_metadata(url, &file_name, total_size, checksum)
+ };
+
+ // Create parent directory
+ if let Some(parent) = dest_path.parent() {
+ tokio::fs::create_dir_all(parent)
+ .await
+ .map_err(|e| e.to_string())?;
+ }
+
+ // Open or create part file
+ let file = tokio::fs::OpenOptions::new()
+ .create(true)
+ .write(true)
+ .read(true)
+ .open(&part_path)
+ .await
+ .map_err(|e| format!("Failed to open part file: {}", e))?;
+
+ let file = Arc::new(tokio::sync::Mutex::new(file));
+ let client = reqwest::Client::new();
+ let progress = Arc::new(AtomicU64::new(metadata.downloaded_bytes));
+ let start_time = std::time::Instant::now();
+ let last_progress_bytes = Arc::new(AtomicU64::new(metadata.downloaded_bytes));
+
+ // Download segments concurrently
+ let segment_count = metadata.segments.len();
+ let semaphore = Arc::new(Semaphore::new(segment_count.min(8)));
+ let mut handles = Vec::new();
+
+ for (idx, segment) in metadata.segments.iter().enumerate() {
+ if segment.completed {
+ continue;
+ }
+
+ let client = client.clone();
+ let url = url.to_string();
+ let file = file.clone();
+ let progress = progress.clone();
+ let semaphore = semaphore.clone();
+ let segment_start = segment.start + segment.downloaded;
+ let segment_end = segment.end;
+ let app_handle = app_handle.clone();
+ let file_name = file_name.clone();
+ let total_size = total_size;
+ let last_progress_bytes = last_progress_bytes.clone();
+ let start_time = start_time.clone();
+
+ let handle = tokio::spawn(async move {
+ let _permit = semaphore.acquire().await.unwrap();
+
+ if is_java_download_cancelled() {
+ return Err("Download cancelled".to_string());
+ }
+
+ // Send Range request
+ let range = format!("bytes={}-{}", segment_start, segment_end);
+ let response = client
+ .get(&url)
+ .header("Range", &range)
+ .send()
+ .await
+ .map_err(|e| format!("Request failed: {}", e))?;
+
+ if !response.status().is_success() && response.status() != reqwest::StatusCode::PARTIAL_CONTENT {
+ return Err(format!("Server returned error: {}", response.status()));
+ }
+
+ let mut stream = response.bytes_stream();
+ let mut current_pos = segment_start;
+
+ while let Some(chunk_result) = stream.next().await {
+ if is_java_download_cancelled() {
+ return Err("Download cancelled".to_string());
+ }
+
+ let chunk = chunk_result.map_err(|e| format!("Stream error: {}", e))?;
+ let chunk_len = chunk.len() as u64;
+
+ // Write to file at correct position
+ {
+ let mut file_guard = file.lock().await;
+ file_guard
+ .seek(std::io::SeekFrom::Start(current_pos))
+ .await
+ .map_err(|e| format!("Seek error: {}", e))?;
+ file_guard
+ .write_all(&chunk)
+ .await
+ .map_err(|e| format!("Write error: {}", e))?;
+ }
+
+ current_pos += chunk_len;
+ let total_downloaded = progress.fetch_add(chunk_len, Ordering::Relaxed) + chunk_len;
+
+ // Emit progress event (throttled)
+ let last_bytes = last_progress_bytes.load(Ordering::Relaxed);
+ if total_downloaded - last_bytes > 100 * 1024 || total_downloaded >= total_size {
+ last_progress_bytes.store(total_downloaded, Ordering::Relaxed);
+
+ let elapsed = start_time.elapsed().as_secs_f64();
+ let speed = if elapsed > 0.0 {
+ (total_downloaded as f64 / elapsed) as u64
+ } else {
+ 0
+ };
+ let remaining = total_size.saturating_sub(total_downloaded);
+ let eta = if speed > 0 { remaining / speed } else { 0 };
+ let percentage = (total_downloaded as f32 / total_size as f32) * 100.0;
+
+ let _ = app_handle.emit(
+ "java-download-progress",
+ JavaDownloadProgress {
+ file_name: file_name.clone(),
+ downloaded_bytes: total_downloaded,
+ total_bytes: total_size,
+ speed_bytes_per_sec: speed,
+ eta_seconds: eta,
+ status: "Downloading".to_string(),
+ percentage,
+ },
+ );
+ }
+ }
+
+ Ok::<usize, String>(idx)
+ });
+
+ handles.push(handle);
+ }
+
+ // Wait for all segments
+ let mut all_success = true;
+ for handle in handles {
+ match handle.await {
+ Ok(Ok(idx)) => {
+ metadata.segments[idx].completed = true;
+ }
+ Ok(Err(e)) => {
+ all_success = false;
+ if e.contains("cancelled") {
+ // Save progress for resume
+ metadata.downloaded_bytes = progress.load(Ordering::Relaxed);
+ let meta_content = serde_json::to_string_pretty(&metadata).map_err(|e| e.to_string())?;
+ tokio::fs::write(&meta_path, meta_content).await.ok();
+ return Err(e);
+ }
+ }
+ Err(e) => {
+ all_success = false;
+ eprintln!("Segment task panicked: {}", e);
+ }
+ }
+ }
+
+ if !all_success {
+ // Save progress
+ metadata.downloaded_bytes = progress.load(Ordering::Relaxed);
+ let meta_content = serde_json::to_string_pretty(&metadata).map_err(|e| e.to_string())?;
+ tokio::fs::write(&meta_path, meta_content).await.ok();
+ return Err("Some segments failed".to_string());
+ }
+
+ // Verify checksum if provided
+ if let Some(expected) = checksum {
+ let _ = app_handle.emit(
+ "java-download-progress",
+ JavaDownloadProgress {
+ file_name: file_name.clone(),
+ downloaded_bytes: total_size,
+ total_bytes: total_size,
+ speed_bytes_per_sec: 0,
+ eta_seconds: 0,
+ status: "Verifying".to_string(),
+ percentage: 100.0,
+ },
+ );
+
+ let data = tokio::fs::read(&part_path)
+ .await
+ .map_err(|e| format!("Failed to read file for verification: {}", e))?;
+
+ if !verify_checksum(&data, Some(expected), None) {
+ // Checksum failed, delete files and retry
+ tokio::fs::remove_file(&part_path).await.ok();
+ tokio::fs::remove_file(&meta_path).await.ok();
+ return Err("Checksum verification failed".to_string());
+ }
+ }
+
+ // Rename part file to final destination
+ tokio::fs::rename(&part_path, dest_path)
+ .await
+ .map_err(|e| format!("Failed to rename file: {}", e))?;
+
+ // Clean up metadata file
+ tokio::fs::remove_file(&meta_path).await.ok();
+
+ Ok(())
+}
+
+/// Create new download metadata with segments
+fn create_new_metadata(url: &str, file_name: &str, total_size: u64, checksum: Option<&str>) -> DownloadMetadata {
+ let segment_count = get_segment_count(total_size);
+ let segment_size = total_size / segment_count as u64;
+ let mut segments = Vec::new();
+
+ for i in 0..segment_count {
+ let start = i as u64 * segment_size;
+ let end = if i == segment_count - 1 {
+ total_size - 1
+ } else {
+ (i as u64 + 1) * segment_size - 1
+ };
+ segments.push(DownloadSegment {
+ start,
+ end,
+ downloaded: 0,
+ completed: false,
+ });
+ }
+
+ DownloadMetadata {
+ url: url.to_string(),
+ file_name: file_name.to_string(),
+ total_size,
+ downloaded_bytes: 0,
+ checksum: checksum.map(|s| s.to_string()),
+ timestamp: std::time::SystemTime::now()
+ .duration_since(std::time::UNIX_EPOCH)
+ .unwrap()
+ .as_secs(),
+ segments,
+ }
}
#[derive(Debug, Clone, Serialize, Deserialize)]
@@ -25,6 +423,32 @@ pub struct ProgressEvent {
pub total_downloaded_bytes: u64,
}
+/// calculate SHA256 hash of data
+pub fn compute_sha256(data: &[u8]) -> String {
+ let mut hasher = sha2::Sha256::new();
+ hasher.update(data);
+ hex::encode(hasher.finalize())
+}
+
+/// calculate SHA1 hash of data
+pub fn compute_sha1(data: &[u8]) -> String {
+ let mut hasher = sha1::Sha1::new();
+ hasher.update(data);
+ hex::encode(hasher.finalize())
+}
+
+/// verify file checksum, prefer SHA256, fallback to SHA1
+pub fn verify_checksum(data: &[u8], sha256: Option<&str>, sha1: Option<&str>) -> bool {
+ if let Some(expected) = sha256 {
+ return compute_sha256(data) == expected;
+ }
+ if let Some(expected) = sha1 {
+ return compute_sha1(data) == expected;
+ }
+ // No checksum provided, default to true
+ true
+}
+
/// Snapshot of global progress state
struct ProgressSnapshot {
completed_files: usize,
@@ -129,17 +553,17 @@ pub async fn download_files(
let _permit = semaphore.acquire().await.unwrap();
let file_name = task.path.file_name().unwrap().to_string_lossy().to_string();
- // 1. Check if file exists and verify SHA1
+ // 1. Check if file exists and verify checksum
if task.path.exists() {
emit_progress(&window, &file_name, "Verifying", 0, 0, &progress.snapshot());
- if let Some(expected_sha1) = &task.sha1 {
+ if task.sha256.is_some() || task.sha1.is_some() {
if let Ok(data) = tokio::fs::read(&task.path).await {
- let mut hasher = sha1::Sha1::new();
- use sha1::Digest;
- hasher.update(&data);
- let result = hex::encode(hasher.finalize());
- if &result == expected_sha1 {
+ if verify_checksum(
+ &data,
+ task.sha256.as_deref(),
+ task.sha1.as_deref(),
+ ) {
// Already valid, skip download
let skipped_size = tokio::fs::metadata(&task.path)
.await
diff --git a/src-tauri/src/core/fabric.rs b/src-tauri/src/core/fabric.rs
new file mode 100644
index 0000000..fd38f41
--- /dev/null
+++ b/src-tauri/src/core/fabric.rs
@@ -0,0 +1,274 @@
+//! Fabric Loader support module.
+//!
+//! This module provides functionality to:
+//! - Fetch available Fabric loader versions from the Fabric Meta API
+//! - Generate version JSON files for Fabric-enabled Minecraft versions
+//! - Install Fabric loader for a specific Minecraft version
+
+use serde::{Deserialize, Serialize};
+use std::error::Error;
+use std::path::PathBuf;
+
+const FABRIC_META_URL: &str = "https://meta.fabricmc.net/v2";
+
+/// Represents a Fabric loader version from the Meta API.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricLoaderVersion {
+ pub separator: String,
+ pub build: i32,
+ pub maven: String,
+ pub version: String,
+ pub stable: bool,
+}
+
+/// Represents a Fabric intermediary mapping version.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricIntermediaryVersion {
+ pub maven: String,
+ pub version: String,
+ pub stable: bool,
+}
+
+/// Represents a combined loader + intermediary version entry.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricLoaderEntry {
+ pub loader: FabricLoaderVersion,
+ pub intermediary: FabricIntermediaryVersion,
+ #[serde(rename = "launcherMeta")]
+ pub launcher_meta: FabricLauncherMeta,
+}
+
+/// Launcher metadata from Fabric Meta API.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricLauncherMeta {
+ pub version: i32,
+ pub libraries: FabricLibraries,
+ #[serde(rename = "mainClass")]
+ pub main_class: FabricMainClass,
+}
+
+/// Libraries required by Fabric loader.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricLibraries {
+ pub client: Vec<FabricLibrary>,
+ pub common: Vec<FabricLibrary>,
+ pub server: Vec<FabricLibrary>,
+}
+
+/// A single Fabric library dependency.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricLibrary {
+ pub name: String,
+ pub url: Option<String>,
+}
+
+/// Main class configuration for Fabric.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricMainClass {
+ pub client: String,
+ pub server: String,
+}
+
+/// Represents a Minecraft version supported by Fabric.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct FabricGameVersion {
+ pub version: String,
+ pub stable: bool,
+}
+
+/// Information about an installed Fabric version.
+#[derive(Debug, Serialize, Clone)]
+pub struct InstalledFabricVersion {
+ pub id: String,
+ pub minecraft_version: String,
+ pub loader_version: String,
+ pub path: PathBuf,
+}
+
+/// Fetch all Minecraft versions supported by Fabric.
+///
+/// # Returns
+/// A list of game versions that have Fabric intermediary mappings available.
+pub async fn fetch_supported_game_versions(
+) -> Result<Vec<FabricGameVersion>, Box<dyn Error + Send + Sync>> {
+ let url = format!("{}/versions/game", FABRIC_META_URL);
+ let resp = reqwest::get(&url)
+ .await?
+ .json::<Vec<FabricGameVersion>>()
+ .await?;
+ Ok(resp)
+}
+
+/// Fetch all available Fabric loader versions.
+///
+/// # Returns
+/// A list of all Fabric loader versions, ordered by build number (newest first).
+pub async fn fetch_loader_versions(
+) -> Result<Vec<FabricLoaderVersion>, Box<dyn Error + Send + Sync>> {
+ let url = format!("{}/versions/loader", FABRIC_META_URL);
+ let resp = reqwest::get(&url)
+ .await?
+ .json::<Vec<FabricLoaderVersion>>()
+ .await?;
+ Ok(resp)
+}
+
+/// Fetch Fabric loader versions available for a specific Minecraft version.
+///
+/// # Arguments
+/// * `game_version` - The Minecraft version (e.g., "1.20.4")
+///
+/// # Returns
+/// A list of loader entries with full metadata for the specified game version.
+pub async fn fetch_loaders_for_game_version(
+ game_version: &str,
+) -> Result<Vec<FabricLoaderEntry>, Box<dyn Error + Send + Sync>> {
+ let url = format!("{}/versions/loader/{}", FABRIC_META_URL, game_version);
+ let resp = reqwest::get(&url)
+ .await?
+ .json::<Vec<FabricLoaderEntry>>()
+ .await?;
+ Ok(resp)
+}
+
+/// Fetch the version JSON profile for a specific Fabric loader + game version combination.
+///
+/// # Arguments
+/// * `game_version` - The Minecraft version (e.g., "1.20.4")
+/// * `loader_version` - The Fabric loader version (e.g., "0.15.6")
+///
+/// # Returns
+/// The raw version JSON as a `serde_json::Value` that can be saved to the versions directory.
+pub async fn fetch_version_profile(
+ game_version: &str,
+ loader_version: &str,
+) -> Result<serde_json::Value, Box<dyn Error + Send + Sync>> {
+ let url = format!(
+ "{}/versions/loader/{}/{}/profile/json",
+ FABRIC_META_URL, game_version, loader_version
+ );
+ let resp = reqwest::get(&url)
+ .await?
+ .json::<serde_json::Value>()
+ .await?;
+ Ok(resp)
+}
+
+/// Generate the version ID for a Fabric installation.
+///
+/// # Arguments
+/// * `game_version` - The Minecraft version
+/// * `loader_version` - The Fabric loader version
+///
+/// # Returns
+/// The version ID string (e.g., "fabric-loader-0.15.6-1.20.4")
+pub fn generate_version_id(game_version: &str, loader_version: &str) -> String {
+ format!("fabric-loader-{}-{}", loader_version, game_version)
+}
+
+/// Install Fabric loader for a specific Minecraft version.
+///
+/// This creates the version JSON file in the versions directory.
+/// The actual library downloads happen during game launch.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `game_version` - The Minecraft version (e.g., "1.20.4")
+/// * `loader_version` - The Fabric loader version (e.g., "0.15.6")
+///
+/// # Returns
+/// Information about the installed version.
+pub async fn install_fabric(
+ game_dir: &PathBuf,
+ game_version: &str,
+ loader_version: &str,
+) -> Result<InstalledFabricVersion, Box<dyn Error + Send + Sync>> {
+ // Fetch the version profile from Fabric Meta
+ let profile = fetch_version_profile(game_version, loader_version).await?;
+
+ // Get the version ID from the profile or generate it
+ let version_id = profile
+ .get("id")
+ .and_then(|v| v.as_str())
+ .map(|s| s.to_string())
+ .unwrap_or_else(|| generate_version_id(game_version, loader_version));
+
+ // Create the version directory
+ let version_dir = game_dir.join("versions").join(&version_id);
+ tokio::fs::create_dir_all(&version_dir).await?;
+
+ // Write the version JSON
+ let json_path = version_dir.join(format!("{}.json", version_id));
+ let json_content = serde_json::to_string_pretty(&profile)?;
+ tokio::fs::write(&json_path, json_content).await?;
+
+ Ok(InstalledFabricVersion {
+ id: version_id,
+ minecraft_version: game_version.to_string(),
+ loader_version: loader_version.to_string(),
+ path: json_path,
+ })
+}
+
+/// Check if Fabric is installed for a specific version combination.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `game_version` - The Minecraft version
+/// * `loader_version` - The Fabric loader version
+///
+/// # Returns
+/// `true` if the version JSON exists, `false` otherwise.
+pub fn is_fabric_installed(game_dir: &PathBuf, game_version: &str, loader_version: &str) -> bool {
+ let version_id = generate_version_id(game_version, loader_version);
+ let json_path = game_dir
+ .join("versions")
+ .join(&version_id)
+ .join(format!("{}.json", version_id));
+ json_path.exists()
+}
+
+/// List all installed Fabric versions in the game directory.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+///
+/// # Returns
+/// A list of installed Fabric version IDs.
+pub async fn list_installed_fabric_versions(
+ game_dir: &PathBuf,
+) -> Result<Vec<String>, Box<dyn Error + Send + Sync>> {
+ let versions_dir = game_dir.join("versions");
+ let mut installed = Vec::new();
+
+ if !versions_dir.exists() {
+ return Ok(installed);
+ }
+
+ let mut entries = tokio::fs::read_dir(&versions_dir).await?;
+ while let Some(entry) = entries.next_entry().await? {
+ let name = entry.file_name().to_string_lossy().to_string();
+ if name.starts_with("fabric-loader-") {
+ // Verify the JSON file exists
+ let json_path = entry.path().join(format!("{}.json", name));
+ if json_path.exists() {
+ installed.push(name);
+ }
+ }
+ }
+
+ Ok(installed)
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn test_generate_version_id() {
+ assert_eq!(
+ generate_version_id("1.20.4", "0.15.6"),
+ "fabric-loader-0.15.6-1.20.4"
+ );
+ }
+}
diff --git a/src-tauri/src/core/forge.rs b/src-tauri/src/core/forge.rs
new file mode 100644
index 0000000..0f17bcc
--- /dev/null
+++ b/src-tauri/src/core/forge.rs
@@ -0,0 +1,336 @@
+//! Forge Loader support module.
+//!
+//! This module provides functionality to:
+//! - Fetch available Forge versions from the Forge promotions API
+//! - Install Forge loader for a specific Minecraft version
+//!
+//! Note: Forge installation is more complex than Fabric, especially for versions 1.13+.
+//! This implementation focuses on the basic JSON generation approach.
+//! For full Forge 1.13+ support, processor execution would need to be implemented.
+
+use serde::{Deserialize, Serialize};
+use std::error::Error;
+use std::path::PathBuf;
+
+const FORGE_PROMOTIONS_URL: &str =
+ "https://files.minecraftforge.net/net/minecraftforge/forge/promotions_slim.json";
+const FORGE_MAVEN_URL: &str = "https://maven.minecraftforge.net/";
+
+/// Represents a Forge version entry.
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct ForgeVersion {
+ pub version: String,
+ pub minecraft_version: String,
+ #[serde(default)]
+ pub recommended: bool,
+ #[serde(default)]
+ pub latest: bool,
+}
+
+/// Forge promotions response from the API.
+#[derive(Debug, Deserialize)]
+struct ForgePromotions {
+ promos: std::collections::HashMap<String, String>,
+}
+
+/// Information about an installed Forge version.
+#[derive(Debug, Serialize, Clone)]
+pub struct InstalledForgeVersion {
+ pub id: String,
+ pub minecraft_version: String,
+ pub forge_version: String,
+ pub path: PathBuf,
+}
+
+/// Fetch all Minecraft versions supported by Forge.
+///
+/// # Returns
+/// A list of Minecraft version strings that have Forge available.
+pub async fn fetch_supported_game_versions() -> Result<Vec<String>, Box<dyn Error + Send + Sync>> {
+ let promos = fetch_promotions().await?;
+
+ let mut versions: Vec<String> = promos
+ .promos
+ .keys()
+ .filter_map(|key| {
+ // Keys are like "1.20.4-latest", "1.20.4-recommended"
+ let parts: Vec<&str> = key.split('-').collect();
+ if parts.len() >= 2 {
+ Some(parts[0].to_string())
+ } else {
+ None
+ }
+ })
+ .collect();
+
+ // Deduplicate and sort
+ versions.sort();
+ versions.dedup();
+ versions.reverse(); // Newest first
+
+ Ok(versions)
+}
+
+/// Fetch Forge promotions data.
+async fn fetch_promotions() -> Result<ForgePromotions, Box<dyn Error + Send + Sync>> {
+ let resp = reqwest::get(FORGE_PROMOTIONS_URL)
+ .await?
+ .json::<ForgePromotions>()
+ .await?;
+ Ok(resp)
+}
+
+/// Fetch available Forge versions for a specific Minecraft version.
+///
+/// # Arguments
+/// * `game_version` - The Minecraft version (e.g., "1.20.4")
+///
+/// # Returns
+/// A list of Forge versions available for the specified game version.
+pub async fn fetch_forge_versions(
+ game_version: &str,
+) -> Result<Vec<ForgeVersion>, Box<dyn Error + Send + Sync>> {
+ let promos = fetch_promotions().await?;
+ let mut versions = Vec::new();
+
+ // Look for both latest and recommended
+ let latest_key = format!("{}-latest", game_version);
+ let recommended_key = format!("{}-recommended", game_version);
+
+ if let Some(latest) = promos.promos.get(&latest_key) {
+ versions.push(ForgeVersion {
+ version: latest.clone(),
+ minecraft_version: game_version.to_string(),
+ recommended: false,
+ latest: true,
+ });
+ }
+
+ if let Some(recommended) = promos.promos.get(&recommended_key) {
+ // Don't duplicate if recommended == latest
+ if !versions.iter().any(|v| v.version == *recommended) {
+ versions.push(ForgeVersion {
+ version: recommended.clone(),
+ minecraft_version: game_version.to_string(),
+ recommended: true,
+ latest: false,
+ });
+ } else {
+ // Mark the existing one as both
+ if let Some(v) = versions.iter_mut().find(|v| v.version == *recommended) {
+ v.recommended = true;
+ }
+ }
+ }
+
+ Ok(versions)
+}
+
+/// Generate the version ID for a Forge installation.
+///
+/// # Arguments
+/// * `game_version` - The Minecraft version
+/// * `forge_version` - The Forge version
+///
+/// # Returns
+/// The version ID string (e.g., "1.20.4-forge-49.0.38")
+pub fn generate_version_id(game_version: &str, forge_version: &str) -> String {
+ format!("{}-forge-{}", game_version, forge_version)
+}
+
+/// Install Forge for a specific Minecraft version.
+///
+/// Note: This creates a basic version JSON. For Forge 1.13+, the full installation
+/// requires running the Forge installer processors, which is not yet implemented.
+/// This basic implementation works for legacy Forge versions (<1.13) and creates
+/// the structure needed for modern Forge (libraries will need to be downloaded
+/// separately).
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `game_version` - The Minecraft version (e.g., "1.20.4")
+/// * `forge_version` - The Forge version (e.g., "49.0.38")
+///
+/// # Returns
+/// Information about the installed version.
+pub async fn install_forge(
+ game_dir: &PathBuf,
+ game_version: &str,
+ forge_version: &str,
+) -> Result<InstalledForgeVersion, Box<dyn Error + Send + Sync>> {
+ let version_id = generate_version_id(game_version, forge_version);
+
+ // Create basic version JSON structure
+ // Note: This is a simplified version. Full Forge installation requires
+ // downloading the installer and running processors.
+ let version_json = create_forge_version_json(game_version, forge_version)?;
+
+ // Create the version directory
+ let version_dir = game_dir.join("versions").join(&version_id);
+ tokio::fs::create_dir_all(&version_dir).await?;
+
+ // Write the version JSON
+ let json_path = version_dir.join(format!("{}.json", version_id));
+ let json_content = serde_json::to_string_pretty(&version_json)?;
+ tokio::fs::write(&json_path, json_content).await?;
+
+ Ok(InstalledForgeVersion {
+ id: version_id,
+ minecraft_version: game_version.to_string(),
+ forge_version: forge_version.to_string(),
+ path: json_path,
+ })
+}
+
+/// Create a basic Forge version JSON.
+///
+/// This creates a minimal version JSON that inherits from vanilla and adds
+/// the Forge libraries. For full functionality with Forge 1.13+, the installer
+/// would need to be run to patch the game.
+fn create_forge_version_json(
+ game_version: &str,
+ forge_version: &str,
+) -> Result<serde_json::Value, Box<dyn Error + Send + Sync>> {
+ let version_id = generate_version_id(game_version, forge_version);
+ let forge_maven_coord = format!(
+ "net.minecraftforge:forge:{}-{}",
+ game_version, forge_version
+ );
+
+ // Determine main class based on version
+ // Forge 1.13+ uses different launchers
+ let (main_class, libraries) = if is_modern_forge(game_version) {
+ // Modern Forge (1.13+) uses cpw.mods.bootstraplauncher
+ (
+ "cpw.mods.bootstraplauncher.BootstrapLauncher".to_string(),
+ vec![
+ create_library_entry(&forge_maven_coord, Some(FORGE_MAVEN_URL)),
+ create_library_entry(
+ &format!(
+ "net.minecraftforge:forge:{}-{}:universal",
+ game_version, forge_version
+ ),
+ Some(FORGE_MAVEN_URL),
+ ),
+ ],
+ )
+ } else {
+ // Legacy Forge uses LaunchWrapper
+ (
+ "net.minecraft.launchwrapper.Launch".to_string(),
+ vec![
+ create_library_entry(&forge_maven_coord, Some(FORGE_MAVEN_URL)),
+ create_library_entry("net.minecraft:launchwrapper:1.12", None),
+ ],
+ )
+ };
+
+ let json = serde_json::json!({
+ "id": version_id,
+ "inheritsFrom": game_version,
+ "type": "release",
+ "mainClass": main_class,
+ "libraries": libraries,
+ "arguments": {
+ "game": [],
+ "jvm": []
+ }
+ });
+
+ Ok(json)
+}
+
+/// Create a library entry for the version JSON.
+fn create_library_entry(name: &str, maven_url: Option<&str>) -> serde_json::Value {
+ let mut entry = serde_json::json!({
+ "name": name
+ });
+
+ if let Some(url) = maven_url {
+ entry["url"] = serde_json::Value::String(url.to_string());
+ }
+
+ entry
+}
+
+/// Check if the Minecraft version uses modern Forge (1.13+).
+fn is_modern_forge(game_version: &str) -> bool {
+ let parts: Vec<&str> = game_version.split('.').collect();
+ if parts.len() >= 2 {
+ if let (Ok(major), Ok(minor)) = (parts[0].parse::<u32>(), parts[1].parse::<u32>()) {
+ return major > 1 || (major == 1 && minor >= 13);
+ }
+ }
+ false
+}
+
+/// Check if Forge is installed for a specific version combination.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `game_version` - The Minecraft version
+/// * `forge_version` - The Forge version
+///
+/// # Returns
+/// `true` if the version JSON exists, `false` otherwise.
+pub fn is_forge_installed(game_dir: &PathBuf, game_version: &str, forge_version: &str) -> bool {
+ let version_id = generate_version_id(game_version, forge_version);
+ let json_path = game_dir
+ .join("versions")
+ .join(&version_id)
+ .join(format!("{}.json", version_id));
+ json_path.exists()
+}
+
+/// List all installed Forge versions in the game directory.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+///
+/// # Returns
+/// A list of installed Forge version IDs.
+pub async fn list_installed_forge_versions(
+ game_dir: &PathBuf,
+) -> Result<Vec<String>, Box<dyn Error + Send + Sync>> {
+ let versions_dir = game_dir.join("versions");
+ let mut installed = Vec::new();
+
+ if !versions_dir.exists() {
+ return Ok(installed);
+ }
+
+ let mut entries = tokio::fs::read_dir(&versions_dir).await?;
+ while let Some(entry) = entries.next_entry().await? {
+ let name = entry.file_name().to_string_lossy().to_string();
+ if name.contains("-forge-") {
+ // Verify the JSON file exists
+ let json_path = entry.path().join(format!("{}.json", name));
+ if json_path.exists() {
+ installed.push(name);
+ }
+ }
+ }
+
+ Ok(installed)
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn test_generate_version_id() {
+ assert_eq!(
+ generate_version_id("1.20.4", "49.0.38"),
+ "1.20.4-forge-49.0.38"
+ );
+ }
+
+ #[test]
+ fn test_is_modern_forge() {
+ assert!(!is_modern_forge("1.12.2"));
+ assert!(is_modern_forge("1.13"));
+ assert!(is_modern_forge("1.20.4"));
+ assert!(is_modern_forge("1.21"));
+ }
+}
diff --git a/src-tauri/src/core/game_version.rs b/src-tauri/src/core/game_version.rs
index 572882f..c62e232 100644
--- a/src-tauri/src/core/game_version.rs
+++ b/src-tauri/src/core/game_version.rs
@@ -1,11 +1,15 @@
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
-#[derive(Debug, Deserialize)]
+/// Represents a Minecraft version JSON, supporting both vanilla and modded (Fabric/Forge) formats.
+/// Modded versions use `inheritsFrom` to reference a parent vanilla version.
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct GameVersion {
pub id: String,
- pub downloads: Downloads,
+ /// Optional for mod loaders that inherit from vanilla
+ pub downloads: Option<Downloads>,
+ /// Optional for mod loaders that inherit from vanilla
#[serde(rename = "assetIndex")]
- pub asset_index: AssetIndex,
+ pub asset_index: Option<AssetIndex>,
pub libraries: Vec<Library>,
#[serde(rename = "mainClass")]
pub main_class: String,
@@ -14,66 +18,77 @@ pub struct GameVersion {
pub arguments: Option<Arguments>,
#[serde(rename = "javaVersion")]
pub java_version: Option<JavaVersion>,
+ /// For mod loaders: the vanilla version this inherits from
+ #[serde(rename = "inheritsFrom")]
+ pub inherits_from: Option<String>,
+ /// Fabric/Forge may specify a custom assets version
+ pub assets: Option<String>,
+ /// Release type (release, snapshot, old_beta, etc.)
+ #[serde(rename = "type")]
+ pub version_type: Option<String>,
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct Downloads {
pub client: DownloadArtifact,
pub server: Option<DownloadArtifact>,
}
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct DownloadArtifact {
- pub sha1: String,
- pub size: u64,
+ pub sha1: Option<String>,
+ pub size: Option<u64>,
pub url: String,
pub path: Option<String>,
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct AssetIndex {
pub id: String,
pub sha1: String,
pub size: u64,
pub url: String,
#[serde(rename = "totalSize")]
- pub total_size: u64,
+ pub total_size: Option<u64>,
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct Library {
pub downloads: Option<LibraryDownloads>,
pub name: String,
pub rules: Option<Vec<Rule>>,
pub natives: Option<serde_json::Value>,
+ /// Maven repository URL for mod loader libraries
+ pub url: Option<String>,
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct Rule {
pub action: String, // "allow" or "disallow"
pub os: Option<OsRule>,
+ pub features: Option<serde_json::Value>, // Feature-based rules (e.g., is_demo_user, has_quick_plays_support)
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct OsRule {
pub name: Option<String>, // "linux", "osx", "windows"
pub version: Option<String>, // Regex
pub arch: Option<String>, // "x86"
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct LibraryDownloads {
pub artifact: Option<DownloadArtifact>,
pub classifiers: Option<serde_json::Value>, // Complex, simplifying for now
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct Arguments {
pub game: Option<serde_json::Value>,
pub jvm: Option<serde_json::Value>,
}
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct JavaVersion {
pub component: String,
#[serde(rename = "majorVersion")]
diff --git a/src-tauri/src/core/java.rs b/src-tauri/src/core/java.rs
index 9cf3053..8341138 100644
--- a/src-tauri/src/core/java.rs
+++ b/src-tauri/src/core/java.rs
@@ -1,6 +1,15 @@
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
use std::process::Command;
+use tauri::AppHandle;
+use tauri::Emitter;
+use tauri::Manager;
+
+use crate::core::downloader::{self, JavaDownloadProgress, DownloadQueue, PendingJavaDownload};
+use crate::utils::zip;
+
+const ADOPTIUM_API_BASE: &str = "https://api.adoptium.net/v3";
+const CACHE_DURATION_SECS: u64 = 24 * 60 * 60; // 24 hours
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct JavaInstallation {
@@ -9,6 +18,590 @@ pub struct JavaInstallation {
pub is_64bit: bool,
}
+/// Java image type: JRE or JDK
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum ImageType {
+ Jre,
+ Jdk,
+}
+
+impl Default for ImageType {
+ fn default() -> Self {
+ Self::Jre
+ }
+}
+
+impl std::fmt::Display for ImageType {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ match self {
+ Self::Jre => write!(f, "jre"),
+ Self::Jdk => write!(f, "jdk"),
+ }
+ }
+}
+
+/// Java release information for UI display
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct JavaReleaseInfo {
+ pub major_version: u32,
+ pub image_type: String,
+ pub version: String,
+ pub release_name: String,
+ pub release_date: Option<String>,
+ pub file_size: u64,
+ pub checksum: Option<String>,
+ pub download_url: String,
+ pub is_lts: bool,
+ pub is_available: bool,
+ pub architecture: String,
+}
+
+/// Java catalog containing all available versions
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct JavaCatalog {
+ pub releases: Vec<JavaReleaseInfo>,
+ pub available_major_versions: Vec<u32>,
+ pub lts_versions: Vec<u32>,
+ pub cached_at: u64,
+}
+
+impl Default for JavaCatalog {
+ fn default() -> Self {
+ Self {
+ releases: Vec::new(),
+ available_major_versions: Vec::new(),
+ lts_versions: Vec::new(),
+ cached_at: 0,
+ }
+ }
+}
+
+/// Adoptium `/v3/assets/latest/{version}/hotspot` API response structures
+#[derive(Debug, Clone, Deserialize)]
+pub struct AdoptiumAsset {
+ pub binary: AdoptiumBinary,
+ pub release_name: String,
+ pub version: AdoptiumVersionData,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct AdoptiumBinary {
+ pub os: String,
+ pub architecture: String,
+ pub image_type: String,
+ pub package: AdoptiumPackage,
+ #[serde(default)]
+ pub updated_at: Option<String>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct AdoptiumPackage {
+ pub name: String,
+ pub link: String,
+ pub size: u64,
+ pub checksum: Option<String>, // SHA256
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct AdoptiumVersionData {
+ pub major: u32,
+ pub minor: u32,
+ pub security: u32,
+ pub semver: String,
+ pub openjdk_version: String,
+}
+
+/// Adoptium available releases response
+#[derive(Debug, Clone, Deserialize)]
+pub struct AvailableReleases {
+ pub available_releases: Vec<u32>,
+ pub available_lts_releases: Vec<u32>,
+ pub most_recent_lts: Option<u32>,
+ pub most_recent_feature_release: Option<u32>,
+}
+
+/// Java download information from Adoptium
+#[derive(Debug, Clone, Serialize)]
+pub struct JavaDownloadInfo {
+ pub version: String,
+ pub release_name: String,
+ pub download_url: String,
+ pub file_name: String,
+ pub file_size: u64,
+ pub checksum: Option<String>,
+ pub image_type: String,
+}
+
+/// Get the Adoptium OS name for the current platform
+pub fn get_adoptium_os() -> &'static str {
+ #[cfg(target_os = "linux")]
+ {
+ // Check if Alpine Linux (musl libc)
+ if std::path::Path::new("/etc/alpine-release").exists() {
+ return "alpine-linux";
+ }
+ "linux"
+ }
+ #[cfg(target_os = "macos")]
+ {
+ "mac"
+ }
+ #[cfg(target_os = "windows")]
+ {
+ "windows"
+ }
+ #[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "windows")))]
+ {
+ "linux" // fallback
+ }
+}
+
+/// Get the Adoptium Architecture name for the current architecture
+pub fn get_adoptium_arch() -> &'static str {
+ #[cfg(target_arch = "x86_64")]
+ {
+ "x64"
+ }
+ #[cfg(target_arch = "aarch64")]
+ {
+ "aarch64"
+ }
+ #[cfg(target_arch = "x86")]
+ {
+ "x86"
+ }
+ #[cfg(target_arch = "arm")]
+ {
+ "arm"
+ }
+ #[cfg(not(any(
+ target_arch = "x86_64",
+ target_arch = "aarch64",
+ target_arch = "x86",
+ target_arch = "arm"
+ )))]
+ {
+ "x64" // fallback
+ }
+}
+
+/// Get the default Java installation directory for DropOut
+pub fn get_java_install_dir(app_handle: &AppHandle) -> PathBuf {
+ app_handle.path().app_data_dir().unwrap().join("java")
+}
+
+/// Get the cache file path for Java catalog
+fn get_catalog_cache_path(app_handle: &AppHandle) -> PathBuf {
+ app_handle
+ .path()
+ .app_data_dir()
+ .unwrap()
+ .join("java_catalog_cache.json")
+}
+
+/// Load cached Java catalog if not expired
+pub fn load_cached_catalog(app_handle: &AppHandle) -> Option<JavaCatalog> {
+ let cache_path = get_catalog_cache_path(app_handle);
+ if !cache_path.exists() {
+ return None;
+ }
+
+ let content = std::fs::read_to_string(&cache_path).ok()?;
+ let catalog: JavaCatalog = serde_json::from_str(&content).ok()?;
+
+ let now = std::time::SystemTime::now()
+ .duration_since(std::time::UNIX_EPOCH)
+ .unwrap()
+ .as_secs();
+
+ if now - catalog.cached_at < CACHE_DURATION_SECS {
+ Some(catalog)
+ } else {
+ None
+ }
+}
+
+/// Save Java catalog to cache
+pub fn save_catalog_cache(app_handle: &AppHandle, catalog: &JavaCatalog) -> Result<(), String> {
+ let cache_path = get_catalog_cache_path(app_handle);
+ let content = serde_json::to_string_pretty(catalog).map_err(|e| e.to_string())?;
+ std::fs::write(&cache_path, content).map_err(|e| e.to_string())?;
+ Ok(())
+}
+
+/// Clear Java catalog cache
+pub fn clear_catalog_cache(app_handle: &AppHandle) -> Result<(), String> {
+ let cache_path = get_catalog_cache_path(app_handle);
+ if cache_path.exists() {
+ std::fs::remove_file(&cache_path).map_err(|e| e.to_string())?;
+ }
+ Ok(())
+}
+
+/// Fetch complete Java catalog from Adoptium API with platform availability check
+pub async fn fetch_java_catalog(app_handle: &AppHandle, force_refresh: bool) -> Result<JavaCatalog, String> {
+ // Check cache first unless force refresh
+ if !force_refresh {
+ if let Some(cached) = load_cached_catalog(app_handle) {
+ return Ok(cached);
+ }
+ }
+
+ let os = get_adoptium_os();
+ let arch = get_adoptium_arch();
+ let client = reqwest::Client::new();
+
+ // 1. Fetch available releases
+ let releases_url = format!("{}/info/available_releases", ADOPTIUM_API_BASE);
+ let available: AvailableReleases = client
+ .get(&releases_url)
+ .header("Accept", "application/json")
+ .send()
+ .await
+ .map_err(|e| format!("Failed to fetch available releases: {}", e))?
+ .json()
+ .await
+ .map_err(|e| format!("Failed to parse available releases: {}", e))?;
+
+ let mut releases = Vec::new();
+
+ // 2. Fetch details for each major version
+ for major_version in &available.available_releases {
+ for image_type in &["jre", "jdk"] {
+ let url = format!(
+ "{}/assets/latest/{}/hotspot?os={}&architecture={}&image_type={}",
+ ADOPTIUM_API_BASE, major_version, os, arch, image_type
+ );
+
+ match client
+ .get(&url)
+ .header("Accept", "application/json")
+ .send()
+ .await
+ {
+ Ok(response) => {
+ if response.status().is_success() {
+ if let Ok(assets) = response.json::<Vec<AdoptiumAsset>>().await {
+ if let Some(asset) = assets.into_iter().next() {
+ let release_date = asset.binary.updated_at.clone();
+ releases.push(JavaReleaseInfo {
+ major_version: *major_version,
+ image_type: image_type.to_string(),
+ version: asset.version.semver.clone(),
+ release_name: asset.release_name.clone(),
+ release_date,
+ file_size: asset.binary.package.size,
+ checksum: asset.binary.package.checksum,
+ download_url: asset.binary.package.link,
+ is_lts: available.available_lts_releases.contains(major_version),
+ is_available: true,
+ architecture: asset.binary.architecture.clone(),
+ });
+ }
+ }
+ } else {
+ // Platform not available for this version/type
+ releases.push(JavaReleaseInfo {
+ major_version: *major_version,
+ image_type: image_type.to_string(),
+ version: format!("{}.x", major_version),
+ release_name: format!("jdk-{}", major_version),
+ release_date: None,
+ file_size: 0,
+ checksum: None,
+ download_url: String::new(),
+ is_lts: available.available_lts_releases.contains(major_version),
+ is_available: false,
+ architecture: arch.to_string(),
+ });
+ }
+ }
+ Err(_) => {
+ // Network error, mark as unavailable
+ releases.push(JavaReleaseInfo {
+ major_version: *major_version,
+ image_type: image_type.to_string(),
+ version: format!("{}.x", major_version),
+ release_name: format!("jdk-{}", major_version),
+ release_date: None,
+ file_size: 0,
+ checksum: None,
+ download_url: String::new(),
+ is_lts: available.available_lts_releases.contains(major_version),
+ is_available: false,
+ architecture: arch.to_string(),
+ });
+ }
+ }
+ }
+ }
+
+ let now = std::time::SystemTime::now()
+ .duration_since(std::time::UNIX_EPOCH)
+ .unwrap()
+ .as_secs();
+
+ let catalog = JavaCatalog {
+ releases,
+ available_major_versions: available.available_releases,
+ lts_versions: available.available_lts_releases,
+ cached_at: now,
+ };
+
+ // Save to cache
+ let _ = save_catalog_cache(app_handle, &catalog);
+
+ Ok(catalog)
+}
+
+/// Get Adoptium API download info for a specific Java version and image type
+///
+/// # Arguments
+/// * `major_version` - Java major version (e.g., 8, 11, 17)
+/// * `image_type` - JRE or JDK
+///
+/// # Returns
+/// * `Ok(JavaDownloadInfo)` - Download information
+/// * `Err(String)` - Error message
+pub async fn fetch_java_release(
+ major_version: u32,
+ image_type: ImageType,
+) -> Result<JavaDownloadInfo, String> {
+ let os = get_adoptium_os();
+ let arch = get_adoptium_arch();
+
+ let url = format!(
+ "{}/assets/latest/{}/hotspot?os={}&architecture={}&image_type={}",
+ ADOPTIUM_API_BASE, major_version, os, arch, image_type
+ );
+
+ let client = reqwest::Client::new();
+ let response = client
+ .get(&url)
+ .header("Accept", "application/json")
+ .send()
+ .await
+ .map_err(|e| format!("Network request failed: {}", e))?;
+
+ if !response.status().is_success() {
+ return Err(format!(
+ "Adoptium API returned error: {} - The version/platform might be unavailable",
+ response.status()
+ ));
+ }
+
+ let assets: Vec<AdoptiumAsset> = response
+ .json()
+ .await
+ .map_err(|e| format!("Failed to parse API response: {}", e))?;
+
+ let asset = assets
+ .into_iter()
+ .next()
+ .ok_or_else(|| format!("Java {} {} download not found", major_version, image_type))?;
+
+ Ok(JavaDownloadInfo {
+ version: asset.version.semver.clone(),
+ release_name: asset.release_name,
+ download_url: asset.binary.package.link,
+ file_name: asset.binary.package.name,
+ file_size: asset.binary.package.size,
+ checksum: asset.binary.package.checksum,
+ image_type: asset.binary.image_type,
+ })
+}
+
+/// Fetch available Java versions from Adoptium API
+pub async fn fetch_available_versions() -> Result<Vec<u32>, String> {
+ let url = format!("{}/info/available_releases", ADOPTIUM_API_BASE);
+
+ let response = reqwest::get(url)
+ .await
+ .map_err(|e| format!("Network request failed: {}", e))?;
+
+ #[derive(Deserialize)]
+ struct AvailableReleases {
+ available_releases: Vec<u32>,
+ }
+
+ let releases: AvailableReleases = response
+ .json()
+ .await
+ .map_err(|e| format!("Failed to parse response: {}", e))?;
+
+ Ok(releases.available_releases)
+}
+
+/// Download and install Java with resume support and progress events
+///
+/// # Arguments
+/// * `app_handle` - Tauri app handle for accessing app directories
+/// * `major_version` - Java major version (e.g., 8, 11, 17)
+/// * `image_type` - JRE or JDK
+/// * `custom_path` - Optional custom installation path
+///
+/// # Returns
+/// * `Ok(JavaInstallation)` - Information about the successfully installed Java
+pub async fn download_and_install_java(
+ app_handle: &AppHandle,
+ major_version: u32,
+ image_type: ImageType,
+ custom_path: Option<PathBuf>,
+) -> Result<JavaInstallation, String> {
+ // 1. Fetch download information
+ let info = fetch_java_release(major_version, image_type).await?;
+ let file_name = info.file_name.clone();
+
+ // 2. Prepare installation directory
+ let install_base = custom_path.unwrap_or_else(|| get_java_install_dir(app_handle));
+ let version_dir = install_base.join(format!("temurin-{}-{}", major_version, image_type));
+
+ std::fs::create_dir_all(&install_base)
+ .map_err(|e| format!("Failed to create installation directory: {}", e))?;
+
+ // 3. Add to download queue for persistence
+ let mut queue = DownloadQueue::load(app_handle);
+ queue.add(PendingJavaDownload {
+ major_version,
+ image_type: image_type.to_string(),
+ download_url: info.download_url.clone(),
+ file_name: info.file_name.clone(),
+ file_size: info.file_size,
+ checksum: info.checksum.clone(),
+ install_path: install_base.to_string_lossy().to_string(),
+ created_at: std::time::SystemTime::now()
+ .duration_since(std::time::UNIX_EPOCH)
+ .unwrap()
+ .as_secs(),
+ });
+ queue.save(app_handle)?;
+
+ // 4. Download the archive with resume support
+ let archive_path = install_base.join(&info.file_name);
+
+ // Check if we need to download
+ let need_download = if archive_path.exists() {
+ if let Some(expected_checksum) = &info.checksum {
+ let data = std::fs::read(&archive_path)
+ .map_err(|e| format!("Failed to read downloaded file: {}", e))?;
+ !downloader::verify_checksum(&data, Some(expected_checksum), None)
+ } else {
+ false
+ }
+ } else {
+ true
+ };
+
+ if need_download {
+ // Use resumable download
+ downloader::download_with_resume(
+ app_handle,
+ &info.download_url,
+ &archive_path,
+ info.checksum.as_deref(),
+ info.file_size,
+ )
+ .await?;
+ }
+
+ // 5. Emit extracting status
+ let _ = app_handle.emit(
+ "java-download-progress",
+ JavaDownloadProgress {
+ file_name: file_name.clone(),
+ downloaded_bytes: info.file_size,
+ total_bytes: info.file_size,
+ speed_bytes_per_sec: 0,
+ eta_seconds: 0,
+ status: "Extracting".to_string(),
+ percentage: 100.0,
+ },
+ );
+
+ // 6. Extract
+ // If the target directory exists, remove it first
+ if version_dir.exists() {
+ std::fs::remove_dir_all(&version_dir)
+ .map_err(|e| format!("Failed to remove old version directory: {}", e))?;
+ }
+
+ std::fs::create_dir_all(&version_dir)
+ .map_err(|e| format!("Failed to create version directory: {}", e))?;
+
+ let top_level_dir = if info.file_name.ends_with(".tar.gz") || info.file_name.ends_with(".tgz") {
+ zip::extract_tar_gz(&archive_path, &version_dir)?
+ } else if info.file_name.ends_with(".zip") {
+ zip::extract_zip(&archive_path, &version_dir)?;
+ // Find the top-level directory inside the extracted folder
+ find_top_level_dir(&version_dir)?
+ } else {
+ return Err(format!("Unsupported archive format: {}", info.file_name));
+ };
+
+ // 7. Clean up downloaded archive
+ let _ = std::fs::remove_file(&archive_path);
+
+ // 8. Locate java executable
+ // macOS has a different structure: jdk-xxx/Contents/Home/bin/java
+ // Linux/Windows: jdk-xxx/bin/java
+ let java_home = version_dir.join(&top_level_dir);
+ let java_bin = if cfg!(target_os = "macos") {
+ java_home.join("Contents").join("Home").join("bin").join("java")
+ } else if cfg!(windows) {
+ java_home.join("bin").join("java.exe")
+ } else {
+ java_home.join("bin").join("java")
+ };
+
+ if !java_bin.exists() {
+ return Err(format!(
+ "Installation completed but Java executable not found: {}",
+ java_bin.display()
+ ));
+ }
+
+ // 9. Verify installation
+ let installation = check_java_installation(&java_bin)
+ .ok_or_else(|| "Failed to verify Java installation".to_string())?;
+
+ // 10. Remove from download queue
+ queue.remove(major_version, &image_type.to_string());
+ queue.save(app_handle)?;
+
+ // 11. Emit completed status
+ let _ = app_handle.emit(
+ "java-download-progress",
+ JavaDownloadProgress {
+ file_name,
+ downloaded_bytes: info.file_size,
+ total_bytes: info.file_size,
+ speed_bytes_per_sec: 0,
+ eta_seconds: 0,
+ status: "Completed".to_string(),
+ percentage: 100.0,
+ },
+ );
+
+ Ok(installation)
+}
+
+/// Find the top-level directory inside the extracted folder
+fn find_top_level_dir(extract_dir: &PathBuf) -> Result<String, String> {
+ let entries: Vec<_> = std::fs::read_dir(extract_dir)
+ .map_err(|e| format!("Failed to read directory: {}", e))?
+ .filter_map(|e| e.ok())
+ .filter(|e| e.path().is_dir())
+ .collect();
+
+ if entries.len() == 1 {
+ Ok(entries[0].file_name().to_string_lossy().to_string())
+ } else {
+ // No single top-level directory, return empty string
+ Ok(String::new())
+ }
+}
+
/// Detect Java installations on the system
pub fn detect_java_installations() -> Vec<JavaInstallation> {
let mut installations = Vec::new();
@@ -256,3 +849,137 @@ pub fn get_recommended_java(required_major_version: Option<u64>) -> Option<JavaI
installations.into_iter().next()
}
}
+
+/// Detect all installed Java versions (including system installations and DropOut downloads)
+pub fn detect_all_java_installations(app_handle: &AppHandle) -> Vec<JavaInstallation> {
+ let mut installations = detect_java_installations();
+
+ // Add DropOut downloaded Java versions
+ let dropout_java_dir = get_java_install_dir(app_handle);
+ if dropout_java_dir.exists() {
+ if let Ok(entries) = std::fs::read_dir(&dropout_java_dir) {
+ for entry in entries.flatten() {
+ let path = entry.path();
+ if path.is_dir() {
+ // Find the java executable in this directory
+ let java_bin = find_java_executable(&path);
+ if let Some(java_path) = java_bin {
+ if let Some(java) = check_java_installation(&java_path) {
+ if !installations.iter().any(|j| j.path == java.path) {
+ installations.push(java);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // Sort by version
+ installations.sort_by(|a, b| {
+ let v_a = parse_java_version(&a.version);
+ let v_b = parse_java_version(&b.version);
+ v_b.cmp(&v_a)
+ });
+
+ installations
+}
+
+//// Find the java executable in a directory using a limited-depth search
+fn find_java_executable(dir: &PathBuf) -> Option<PathBuf> {
+ let bin_name = if cfg!(windows) { "java.exe" } else { "java" };
+
+ // Directly look in the bin directory
+ let direct_bin = dir.join("bin").join(bin_name);
+ if direct_bin.exists() {
+ return Some(direct_bin);
+ }
+
+ // macOS: Contents/Home/bin/java
+ #[cfg(target_os = "macos")]
+ {
+ let macos_bin = dir.join("Contents").join("Home").join("bin").join(bin_name);
+ if macos_bin.exists() {
+ return Some(macos_bin);
+ }
+ }
+
+ // Look in subdirectories (handle nested directories after Adoptium extraction)
+ if let Ok(entries) = std::fs::read_dir(dir) {
+ for entry in entries.flatten() {
+ let path = entry.path();
+ if path.is_dir() {
+ // Try direct bin path
+ let nested_bin = path.join("bin").join(bin_name);
+ if nested_bin.exists() {
+ return Some(nested_bin);
+ }
+
+ // macOS: nested/Contents/Home/bin/java
+ #[cfg(target_os = "macos")]
+ {
+ let macos_nested = path.join("Contents").join("Home").join("bin").join(bin_name);
+ if macos_nested.exists() {
+ return Some(macos_nested);
+ }
+ }
+ }
+ }
+ }
+
+ None
+}
+
+/// Resume pending Java downloads from queue
+pub async fn resume_pending_downloads(app_handle: &AppHandle) -> Result<Vec<JavaInstallation>, String> {
+ let queue = DownloadQueue::load(app_handle);
+ let mut installed = Vec::new();
+
+ for pending in queue.pending_downloads.iter() {
+ let image_type = if pending.image_type == "jdk" {
+ ImageType::Jdk
+ } else {
+ ImageType::Jre
+ };
+
+ // Try to resume the download
+ match download_and_install_java(
+ app_handle,
+ pending.major_version,
+ image_type,
+ Some(PathBuf::from(&pending.install_path)),
+ )
+ .await
+ {
+ Ok(installation) => {
+ installed.push(installation);
+ }
+ Err(e) => {
+ eprintln!(
+ "Failed to resume Java {} {} download: {}",
+ pending.major_version, pending.image_type, e
+ );
+ }
+ }
+ }
+
+ Ok(installed)
+}
+
+/// Cancel current Java download
+pub fn cancel_current_download() {
+ downloader::cancel_java_download();
+}
+
+/// Get pending downloads from queue
+pub fn get_pending_downloads(app_handle: &AppHandle) -> Vec<PendingJavaDownload> {
+ let queue = DownloadQueue::load(app_handle);
+ queue.pending_downloads
+}
+
+/// Clear a specific pending download
+pub fn clear_pending_download(app_handle: &AppHandle, major_version: u32, image_type: &str) -> Result<(), String> {
+ let mut queue = DownloadQueue::load(app_handle);
+ queue.remove(major_version, image_type);
+ queue.save(app_handle)
+}
diff --git a/src-tauri/src/core/manifest.rs b/src-tauri/src/core/manifest.rs
index 11ebc5a..bae87c9 100644
--- a/src-tauri/src/core/manifest.rs
+++ b/src-tauri/src/core/manifest.rs
@@ -1,5 +1,8 @@
use serde::{Deserialize, Serialize};
use std::error::Error;
+use std::path::PathBuf;
+
+use crate::core::game_version::GameVersion;
#[derive(Debug, Deserialize, Serialize)]
pub struct VersionManifest {
@@ -24,8 +27,157 @@ pub struct Version {
pub release_time: String,
}
-pub async fn fetch_version_manifest() -> Result<VersionManifest, Box<dyn Error>> {
+pub async fn fetch_version_manifest() -> Result<VersionManifest, Box<dyn Error + Send + Sync>> {
let url = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json";
let resp = reqwest::get(url).await?.json::<VersionManifest>().await?;
Ok(resp)
}
+
+/// Load a version JSON from the local versions directory.
+///
+/// This is used for loading both vanilla and modded versions that have been
+/// previously downloaded or installed.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `version_id` - The version ID to load
+///
+/// # Returns
+/// The parsed `GameVersion` if found, or an error if not found.
+pub async fn load_local_version(
+ game_dir: &PathBuf,
+ version_id: &str,
+) -> Result<GameVersion, Box<dyn Error + Send + Sync>> {
+ let json_path = game_dir
+ .join("versions")
+ .join(version_id)
+ .join(format!("{}.json", version_id));
+
+ if !json_path.exists() {
+ return Err(format!("Version {} not found locally", version_id).into());
+ }
+
+ let content = tokio::fs::read_to_string(&json_path).await?;
+ let version: GameVersion = serde_json::from_str(&content)?;
+ Ok(version)
+}
+
+/// Fetch a version JSON from Mojang's servers.
+///
+/// # Arguments
+/// * `version_id` - The version ID to fetch
+///
+/// # Returns
+/// The parsed `GameVersion` from Mojang's API.
+pub async fn fetch_vanilla_version(
+ version_id: &str,
+) -> Result<GameVersion, Box<dyn Error + Send + Sync>> {
+ // First, get the manifest to find the version URL
+ let manifest = fetch_version_manifest().await?;
+
+ let version_entry = manifest
+ .versions
+ .iter()
+ .find(|v| v.id == version_id)
+ .ok_or_else(|| format!("Version {} not found in manifest", version_id))?;
+
+ // Fetch the actual version JSON
+ let resp = reqwest::get(&version_entry.url)
+ .await?
+ .json::<GameVersion>()
+ .await?;
+
+ Ok(resp)
+}
+
+/// Load a version, checking local first, then fetching from remote if needed.
+///
+/// For modded versions (those with `inheritsFrom`), this will also resolve
+/// the inheritance chain.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `version_id` - The version ID to load
+///
+/// # Returns
+/// A fully resolved `GameVersion` ready for launching.
+pub async fn load_version(
+ game_dir: &PathBuf,
+ version_id: &str,
+) -> Result<GameVersion, Box<dyn Error + Send + Sync>> {
+ // Try loading from local first
+ let mut version = match load_local_version(game_dir, version_id).await {
+ Ok(v) => v,
+ Err(_) => {
+ // Not found locally, try fetching from Mojang
+ fetch_vanilla_version(version_id).await?
+ }
+ };
+
+ // If this version inherits from another, resolve the inheritance iteratively
+ while let Some(parent_id) = version.inherits_from.clone() {
+ // Load the parent version
+ let parent = match load_local_version(game_dir, &parent_id).await {
+ Ok(v) => v,
+ Err(_) => fetch_vanilla_version(&parent_id).await?,
+ };
+
+ // Merge child into parent
+ version = crate::core::version_merge::merge_versions(version, parent);
+ }
+
+ Ok(version)
+}
+
+/// Save a version JSON to the local versions directory.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+/// * `version` - The version to save
+///
+/// # Returns
+/// The path where the JSON was saved.
+pub async fn save_local_version(
+ game_dir: &PathBuf,
+ version: &GameVersion,
+) -> Result<PathBuf, Box<dyn Error + Send + Sync>> {
+ let version_dir = game_dir.join("versions").join(&version.id);
+ tokio::fs::create_dir_all(&version_dir).await?;
+
+ let json_path = version_dir.join(format!("{}.json", version.id));
+ let content = serde_json::to_string_pretty(version)?;
+ tokio::fs::write(&json_path, content).await?;
+
+ Ok(json_path)
+}
+
+/// List all locally installed versions.
+///
+/// # Arguments
+/// * `game_dir` - The .minecraft directory path
+///
+/// # Returns
+/// A list of version IDs found in the versions directory.
+pub async fn list_local_versions(
+ game_dir: &PathBuf,
+) -> Result<Vec<String>, Box<dyn Error + Send + Sync>> {
+ let versions_dir = game_dir.join("versions");
+ let mut versions = Vec::new();
+
+ if !versions_dir.exists() {
+ return Ok(versions);
+ }
+
+ let mut entries = tokio::fs::read_dir(&versions_dir).await?;
+ while let Some(entry) = entries.next_entry().await? {
+ if entry.file_type().await?.is_dir() {
+ let name = entry.file_name().to_string_lossy().to_string();
+ let json_path = entry.path().join(format!("{}.json", name));
+ if json_path.exists() {
+ versions.push(name);
+ }
+ }
+ }
+
+ Ok(versions)
+}
diff --git a/src-tauri/src/core/maven.rs b/src-tauri/src/core/maven.rs
new file mode 100644
index 0000000..8c89768
--- /dev/null
+++ b/src-tauri/src/core/maven.rs
@@ -0,0 +1,263 @@
+//! Maven coordinate parsing and URL construction utilities.
+//!
+//! Mod loaders like Fabric and Forge specify libraries using Maven coordinates
+//! (e.g., `net.fabricmc:fabric-loader:0.14.21`) instead of direct download URLs.
+//! This module provides utilities to parse these coordinates and construct
+//! download URLs for various Maven repositories.
+
+use std::path::PathBuf;
+
+/// Known Maven repository URLs for mod loaders
+pub const MAVEN_CENTRAL: &str = "https://repo1.maven.org/maven2/";
+pub const FABRIC_MAVEN: &str = "https://maven.fabricmc.net/";
+pub const FORGE_MAVEN: &str = "https://maven.minecraftforge.net/";
+pub const MOJANG_LIBRARIES: &str = "https://libraries.minecraft.net/";
+
+/// Represents a parsed Maven coordinate.
+///
+/// Maven coordinates follow the format: `group:artifact:version[:classifier][@extension]`
+/// Examples:
+/// - `net.fabricmc:fabric-loader:0.14.21`
+/// - `org.lwjgl:lwjgl:3.3.1:natives-linux`
+/// - `com.example:artifact:1.0@zip`
+#[derive(Debug, Clone, PartialEq)]
+pub struct MavenCoordinate {
+ pub group: String,
+ pub artifact: String,
+ pub version: String,
+ pub classifier: Option<String>,
+ pub extension: String,
+}
+
+impl MavenCoordinate {
+ /// Parse a Maven coordinate string.
+ ///
+ /// # Arguments
+ /// * `coord` - A string in the format `group:artifact:version[:classifier][@extension]`
+ ///
+ /// # Returns
+ /// * `Some(MavenCoordinate)` if parsing succeeds
+ /// * `None` if the format is invalid
+ ///
+ /// # Examples
+ /// ```
+ /// let coord = MavenCoordinate::parse("net.fabricmc:fabric-loader:0.14.21").unwrap();
+ /// assert_eq!(coord.group, "net.fabricmc");
+ /// assert_eq!(coord.artifact, "fabric-loader");
+ /// assert_eq!(coord.version, "0.14.21");
+ /// ```
+ pub fn parse(coord: &str) -> Option<Self> {
+ // Handle extension suffix (e.g., @zip)
+ let (coord_part, extension) = if let Some(at_idx) = coord.rfind('@') {
+ let ext = &coord[at_idx + 1..];
+ let base = &coord[..at_idx];
+ (base, ext.to_string())
+ } else {
+ (coord, "jar".to_string())
+ };
+
+ let parts: Vec<&str> = coord_part.split(':').collect();
+
+ match parts.len() {
+ 3 => Some(MavenCoordinate {
+ group: parts[0].to_string(),
+ artifact: parts[1].to_string(),
+ version: parts[2].to_string(),
+ classifier: None,
+ extension,
+ }),
+ 4 => Some(MavenCoordinate {
+ group: parts[0].to_string(),
+ artifact: parts[1].to_string(),
+ version: parts[2].to_string(),
+ classifier: Some(parts[3].to_string()),
+ extension,
+ }),
+ _ => None,
+ }
+ }
+
+ /// Get the relative path for this artifact in a Maven repository.
+ ///
+ /// # Returns
+ /// The path as `group/artifact/version/artifact-version[-classifier].extension`
+ ///
+ /// # Examples
+ /// ```
+ /// let coord = MavenCoordinate::parse("net.fabricmc:fabric-loader:0.14.21").unwrap();
+ /// assert_eq!(coord.to_path(), "net/fabricmc/fabric-loader/0.14.21/fabric-loader-0.14.21.jar");
+ /// ```
+ pub fn to_path(&self) -> String {
+ let group_path = self.group.replace('.', "/");
+ let filename = match &self.classifier {
+ Some(classifier) => {
+ format!(
+ "{}-{}-{}.{}",
+ self.artifact, self.version, classifier, self.extension
+ )
+ }
+ None => {
+ format!("{}-{}.{}", self.artifact, self.version, self.extension)
+ }
+ };
+
+ format!(
+ "{}/{}/{}/{}",
+ group_path, self.artifact, self.version, filename
+ )
+ }
+
+ /// Get the local file path for storing this artifact.
+ ///
+ /// # Arguments
+ /// * `libraries_dir` - The base libraries directory
+ ///
+ /// # Returns
+ /// The full path where the library should be stored
+ pub fn to_local_path(&self, libraries_dir: &PathBuf) -> PathBuf {
+ let rel_path = self.to_path();
+ libraries_dir.join(rel_path.replace('/', std::path::MAIN_SEPARATOR_STR))
+ }
+
+ /// Construct the full download URL for this artifact.
+ ///
+ /// # Arguments
+ /// * `base_url` - The Maven repository base URL (e.g., `https://maven.fabricmc.net/`)
+ ///
+ /// # Returns
+ /// The full URL to download the artifact
+ pub fn to_url(&self, base_url: &str) -> String {
+ let base = base_url.trim_end_matches('/');
+ format!("{}/{}", base, self.to_path())
+ }
+}
+
+/// Resolve the download URL for a library.
+///
+/// This function handles both:
+/// 1. Libraries with explicit download URLs (vanilla Minecraft)
+/// 2. Libraries with only Maven coordinates (Fabric/Forge)
+///
+/// # Arguments
+/// * `name` - The Maven coordinate string
+/// * `explicit_url` - An explicit download URL if provided in the library JSON
+/// * `maven_url` - A custom Maven repository URL from the library JSON
+///
+/// # Returns
+/// The resolved download URL
+pub fn resolve_library_url(
+ name: &str,
+ explicit_url: Option<&str>,
+ maven_url: Option<&str>,
+) -> Option<String> {
+ // If there's an explicit URL, use it
+ if let Some(url) = explicit_url {
+ return Some(url.to_string());
+ }
+
+ // Parse the Maven coordinate
+ let coord = MavenCoordinate::parse(name)?;
+
+ // Determine the base Maven URL
+ let base_url = maven_url.unwrap_or_else(|| {
+ // Guess the repository based on group
+ if coord.group.starts_with("net.fabricmc") {
+ FABRIC_MAVEN
+ } else if coord.group.starts_with("net.minecraftforge")
+ || coord.group.starts_with("cpw.mods")
+ {
+ FORGE_MAVEN
+ } else {
+ MOJANG_LIBRARIES
+ }
+ });
+
+ Some(coord.to_url(base_url))
+}
+
+/// Get the local storage path for a library.
+///
+/// # Arguments
+/// * `name` - The Maven coordinate string
+/// * `libraries_dir` - The base libraries directory
+///
+/// # Returns
+/// The path where the library should be stored
+pub fn get_library_path(name: &str, libraries_dir: &PathBuf) -> Option<PathBuf> {
+ let coord = MavenCoordinate::parse(name)?;
+ Some(coord.to_local_path(libraries_dir))
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn test_parse_simple_coordinate() {
+ let coord = MavenCoordinate::parse("net.fabricmc:fabric-loader:0.14.21").unwrap();
+ assert_eq!(coord.group, "net.fabricmc");
+ assert_eq!(coord.artifact, "fabric-loader");
+ assert_eq!(coord.version, "0.14.21");
+ assert_eq!(coord.classifier, None);
+ assert_eq!(coord.extension, "jar");
+ }
+
+ #[test]
+ fn test_parse_with_classifier() {
+ let coord = MavenCoordinate::parse("org.lwjgl:lwjgl:3.3.1:natives-linux").unwrap();
+ assert_eq!(coord.group, "org.lwjgl");
+ assert_eq!(coord.artifact, "lwjgl");
+ assert_eq!(coord.version, "3.3.1");
+ assert_eq!(coord.classifier, Some("natives-linux".to_string()));
+ assert_eq!(coord.extension, "jar");
+ }
+
+ #[test]
+ fn test_parse_with_extension() {
+ let coord = MavenCoordinate::parse("com.example:artifact:1.0@zip").unwrap();
+ assert_eq!(coord.extension, "zip");
+ }
+
+ #[test]
+ fn test_to_path() {
+ let coord = MavenCoordinate::parse("net.fabricmc:fabric-loader:0.14.21").unwrap();
+ assert_eq!(
+ coord.to_path(),
+ "net/fabricmc/fabric-loader/0.14.21/fabric-loader-0.14.21.jar"
+ );
+ }
+
+ #[test]
+ fn test_to_path_with_classifier() {
+ let coord = MavenCoordinate::parse("org.lwjgl:lwjgl:3.3.1:natives-linux").unwrap();
+ assert_eq!(
+ coord.to_path(),
+ "org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-natives-linux.jar"
+ );
+ }
+
+ #[test]
+ fn test_to_url() {
+ let coord = MavenCoordinate::parse("net.fabricmc:fabric-loader:0.14.21").unwrap();
+ assert_eq!(
+ coord.to_url(FABRIC_MAVEN),
+ "https://maven.fabricmc.net/net/fabricmc/fabric-loader/0.14.21/fabric-loader-0.14.21.jar"
+ );
+ }
+
+ #[test]
+ fn test_resolve_library_url_explicit() {
+ let url = resolve_library_url(
+ "net.fabricmc:fabric-loader:0.14.21",
+ Some("https://example.com/lib.jar"),
+ None,
+ );
+ assert_eq!(url, Some("https://example.com/lib.jar".to_string()));
+ }
+
+ #[test]
+ fn test_resolve_library_url_fabric() {
+ let url = resolve_library_url("net.fabricmc:fabric-loader:0.14.21", None, None);
+ assert!(url.unwrap().starts_with(FABRIC_MAVEN));
+ }
+}
diff --git a/src-tauri/src/core/mod.rs b/src-tauri/src/core/mod.rs
index 475a304..3c09a76 100644
--- a/src-tauri/src/core/mod.rs
+++ b/src-tauri/src/core/mod.rs
@@ -2,7 +2,11 @@ pub mod account_storage;
pub mod auth;
pub mod config;
pub mod downloader;
+pub mod fabric;
+pub mod forge;
pub mod game_version;
pub mod java;
pub mod manifest;
+pub mod maven;
pub mod rules;
+pub mod version_merge;
diff --git a/src-tauri/src/core/rules.rs b/src-tauri/src/core/rules.rs
index 877982a..71abda5 100644
--- a/src-tauri/src/core/rules.rs
+++ b/src-tauri/src/core/rules.rs
@@ -47,6 +47,13 @@ pub fn is_library_allowed(rules: &Option<Vec<Rule>>) -> bool {
}
fn rule_matches(rule: &Rule) -> bool {
+ // Feature-based rules (e.g., is_demo_user, has_quick_plays_support, is_quick_play_singleplayer)
+ // are not implemented in this launcher, so we return false for any rule that has features.
+ // This prevents adding arguments like --demo, --quickPlayPath, --quickPlaySingleplayer, etc.
+ if rule.features.is_some() {
+ return false;
+ }
+
match &rule.os {
None => true, // No OS condition means it applies to all
Some(os_rule) => {
diff --git a/src-tauri/src/core/version_merge.rs b/src-tauri/src/core/version_merge.rs
new file mode 100644
index 0000000..fe6b3cd
--- /dev/null
+++ b/src-tauri/src/core/version_merge.rs
@@ -0,0 +1,244 @@
+//! Version merging utilities for mod loaders.
+//!
+//! Mod loaders like Fabric and Forge create "partial" version JSON files that
+//! inherit from vanilla Minecraft versions via the `inheritsFrom` field.
+//! This module provides functionality to merge these partial versions with
+//! their parent versions to create a complete, launchable version profile.
+
+use crate::core::game_version::{Arguments, GameVersion};
+use std::error::Error;
+
+/// Merge a child version (mod loader) with its parent version (vanilla).
+///
+/// The merging follows these rules:
+/// 1. Child's `mainClass` overrides parent's
+/// 2. Child's libraries are prepended to parent's (mod loader classes take priority)
+/// 3. Arguments are merged (child's additions come after parent's)
+/// 4. Parent provides `downloads`, `assetIndex`, `javaVersion` if child doesn't have them
+///
+/// # Arguments
+/// * `child` - The mod loader version (e.g., Fabric)
+/// * `parent` - The vanilla Minecraft version
+///
+/// # Returns
+/// A merged `GameVersion` that can be used for launching.
+pub fn merge_versions(child: GameVersion, parent: GameVersion) -> GameVersion {
+ // Libraries: child libraries first (mod loader takes priority in classpath)
+ let mut merged_libraries = child.libraries;
+ merged_libraries.extend(parent.libraries);
+
+ // Arguments: merge both game and JVM arguments
+ let merged_arguments = merge_arguments(child.arguments, parent.arguments);
+
+ GameVersion {
+ id: child.id,
+ // Use child's downloads if present, otherwise parent's
+ downloads: child.downloads.or(parent.downloads),
+ // Use child's asset_index if present, otherwise parent's
+ asset_index: child.asset_index.or(parent.asset_index),
+ libraries: merged_libraries,
+ // Child's main class always takes priority (this is the mod loader entry point)
+ main_class: child.main_class,
+ // Prefer child's minecraft_arguments, fall back to parent's
+ minecraft_arguments: child.minecraft_arguments.or(parent.minecraft_arguments),
+ arguments: merged_arguments,
+ // Use child's java_version if specified, otherwise parent's
+ java_version: child.java_version.or(parent.java_version),
+ // Clear inheritsFrom since we've now merged
+ inherits_from: None,
+ // Use child's assets field if present, otherwise parent's
+ assets: child.assets.or(parent.assets),
+ // Use parent's version type if child doesn't specify
+ version_type: child.version_type.or(parent.version_type),
+ }
+}
+
+/// Merge argument objects from child and parent versions.
+///
+/// Both game and JVM arguments are merged, with parent arguments coming first
+/// and child arguments appended (child can add additional arguments).
+fn merge_arguments(child: Option<Arguments>, parent: Option<Arguments>) -> Option<Arguments> {
+ match (child, parent) {
+ (None, None) => None,
+ (Some(c), None) => Some(c),
+ (None, Some(p)) => Some(p),
+ (Some(c), Some(p)) => Some(Arguments {
+ game: merge_json_arrays(p.game, c.game),
+ jvm: merge_json_arrays(p.jvm, c.jvm),
+ }),
+ }
+}
+
+/// Merge two JSON arrays (used for arguments).
+///
+/// Parent array comes first, child array is appended.
+fn merge_json_arrays(
+ parent: Option<serde_json::Value>,
+ child: Option<serde_json::Value>,
+) -> Option<serde_json::Value> {
+ match (parent, child) {
+ (None, None) => None,
+ (Some(p), None) => Some(p),
+ (None, Some(c)) => Some(c),
+ (Some(p), Some(c)) => {
+ if let (serde_json::Value::Array(mut p_arr), serde_json::Value::Array(c_arr)) =
+ (p.clone(), c.clone())
+ {
+ p_arr.extend(c_arr);
+ Some(serde_json::Value::Array(p_arr))
+ } else {
+ // If they're not arrays, prefer child
+ Some(c)
+ }
+ }
+ }
+}
+
+/// Check if a version requires inheritance resolution.
+///
+/// # Arguments
+/// * `version` - The version to check
+///
+/// # Returns
+/// `true` if the version has an `inheritsFrom` field that needs resolution.
+pub fn needs_inheritance_resolution(version: &GameVersion) -> bool {
+ version.inherits_from.is_some()
+}
+
+/// Recursively resolve version inheritance.
+///
+/// This function resolves the entire inheritance chain by loading parent versions
+/// and merging them until a version without `inheritsFrom` is found.
+///
+/// # Arguments
+/// * `version` - The starting version (e.g., a Fabric version)
+/// * `version_loader` - A function that loads a version by ID
+///
+/// # Returns
+/// A fully merged `GameVersion` with all inheritance resolved.
+pub async fn resolve_inheritance<F, Fut>(
+ version: GameVersion,
+ version_loader: F,
+) -> Result<GameVersion, Box<dyn Error + Send + Sync>>
+where
+ F: Fn(String) -> Fut,
+ Fut: std::future::Future<Output = Result<GameVersion, Box<dyn Error + Send + Sync>>>,
+{
+ let mut current = version;
+
+ // Keep resolving until we have no more inheritance
+ while let Some(parent_id) = current.inherits_from.clone() {
+ let parent = version_loader(parent_id).await?;
+ current = merge_versions(current, parent);
+ }
+
+ Ok(current)
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use crate::core::game_version::{DownloadArtifact, Downloads, Library};
+
+ fn create_test_library(name: &str) -> Library {
+ Library {
+ name: name.to_string(),
+ downloads: None,
+ rules: None,
+ natives: None,
+ url: None,
+ }
+ }
+
+ #[test]
+ fn test_merge_libraries_order() {
+ let child = GameVersion {
+ id: "fabric-1.20.4".to_string(),
+ downloads: None,
+ asset_index: None,
+ libraries: vec![create_test_library("fabric:loader:1.0")],
+ main_class: "net.fabricmc.loader.launch.knot.KnotClient".to_string(),
+ minecraft_arguments: None,
+ arguments: None,
+ java_version: None,
+ inherits_from: Some("1.20.4".to_string()),
+ assets: None,
+ version_type: None,
+ };
+
+ let parent = GameVersion {
+ id: "1.20.4".to_string(),
+ downloads: Some(Downloads {
+ client: DownloadArtifact {
+ sha1: Some("abc".to_string()),
+ size: Some(1000),
+ url: "https://example.com/client.jar".to_string(),
+ path: None,
+ },
+ server: None,
+ }),
+ asset_index: None,
+ libraries: vec![create_test_library("net.minecraft:client:1.20.4")],
+ main_class: "net.minecraft.client.main.Main".to_string(),
+ minecraft_arguments: None,
+ arguments: None,
+ java_version: None,
+ inherits_from: None,
+ assets: None,
+ version_type: Some("release".to_string()),
+ };
+
+ let merged = merge_versions(child, parent);
+
+ // Child libraries should come first
+ assert_eq!(merged.libraries.len(), 2);
+ assert_eq!(merged.libraries[0].name, "fabric:loader:1.0");
+ assert_eq!(merged.libraries[1].name, "net.minecraft:client:1.20.4");
+
+ // Child main class should override
+ assert_eq!(
+ merged.main_class,
+ "net.fabricmc.loader.launch.knot.KnotClient"
+ );
+
+ // Parent downloads should be used
+ assert!(merged.downloads.is_some());
+
+ // inheritsFrom should be cleared
+ assert!(merged.inherits_from.is_none());
+ }
+
+ #[test]
+ fn test_needs_inheritance_resolution() {
+ let with_inheritance = GameVersion {
+ id: "test".to_string(),
+ downloads: None,
+ asset_index: None,
+ libraries: vec![],
+ main_class: "Main".to_string(),
+ minecraft_arguments: None,
+ arguments: None,
+ java_version: None,
+ inherits_from: Some("1.20.4".to_string()),
+ assets: None,
+ version_type: None,
+ };
+
+ let without_inheritance = GameVersion {
+ id: "test".to_string(),
+ downloads: None,
+ asset_index: None,
+ libraries: vec![],
+ main_class: "Main".to_string(),
+ minecraft_arguments: None,
+ arguments: None,
+ java_version: None,
+ inherits_from: None,
+ assets: None,
+ version_type: None,
+ };
+
+ assert!(needs_inheritance_resolution(&with_inheritance));
+ assert!(!needs_inheritance_resolution(&without_inheritance));
+ }
+}
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index ae74a03..b69912e 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -6,6 +6,7 @@ use std::sync::Mutex;
use tauri::{Emitter, Manager, State, Window}; // Added Emitter
use tokio::io::{AsyncBufReadExt, BufReader};
use tokio::process::Command;
+use serde::Serialize; // Added Serialize
#[cfg(target_os = "windows")]
use std::os::windows::process::CommandExt;
@@ -40,6 +41,27 @@ impl MsRefreshTokenState {
}
}
+/// Check if a string contains unresolved placeholders in the form ${...}
+///
+/// After the replacement phase, if a string still contains ${...}, it means
+/// that placeholder variable was not found in the replacements map and is
+/// therefore unresolved. We should skip adding such arguments to avoid
+/// passing malformed arguments to the game launcher.
+fn has_unresolved_placeholder(s: &str) -> bool {
+ // Look for the opening sequence
+ if let Some(start_pos) = s.find("${") {
+ // Check if there's a closing brace after the opening sequence
+ if s[start_pos + 2..].find('}').is_some() {
+ // Found a complete ${...} pattern - this is an unresolved placeholder
+ return true;
+ }
+ // Found ${ but no closing } - also treat as unresolved/malformed
+ return true;
+ }
+ // No ${ found - the string is fully resolved
+ false
+}
+
#[tauri::command]
async fn start_game(
window: Window,
@@ -93,35 +115,16 @@ async fn start_game(
emit_log!(window, format!("Game directory: {:?}", game_dir));
- // 1. Fetch manifest to find the version URL
- emit_log!(window, "Fetching version manifest...".to_string());
- let manifest = core::manifest::fetch_version_manifest()
- .await
- .map_err(|e| e.to_string())?;
+ // 1. Load version (supports both vanilla and modded versions with inheritance)
emit_log!(
window,
- format!("Found {} versions in manifest", manifest.versions.len())
+ format!("Loading version details for {}...", version_id)
);
- // Find the version info
- let version_info = manifest
- .versions
- .iter()
- .find(|v| v.id == version_id)
- .ok_or_else(|| format!("Version {} not found in manifest", version_id))?;
-
- // 2. Fetch specific version JSON (client.jar info)
- emit_log!(
- window,
- format!("Fetching version details for {}...", version_id)
- );
- let version_url = &version_info.url;
- let version_details: core::game_version::GameVersion = reqwest::get(version_url)
- .await
- .map_err(|e| e.to_string())?
- .json()
+ let version_details = core::manifest::load_version(&game_dir, &version_id)
.await
.map_err(|e| e.to_string())?;
+
emit_log!(
window,
format!(
@@ -130,20 +133,33 @@ async fn start_game(
)
);
- // 3. Prepare download tasks
+ // Determine the actual minecraft version for client.jar
+ // (for modded versions, this is the parent vanilla version)
+ let minecraft_version = version_details
+ .inherits_from
+ .clone()
+ .unwrap_or_else(|| version_id.clone());
+
+ // 2. Prepare download tasks
emit_log!(window, "Preparing download tasks...".to_string());
let mut download_tasks = Vec::new();
// --- Client Jar ---
- let client_jar = version_details.downloads.client;
+ // Get downloads from version_details (may be inherited)
+ let downloads = version_details
+ .downloads
+ .as_ref()
+ .ok_or("Version has no downloads information")?;
+ let client_jar = &downloads.client;
let mut client_path = game_dir.join("versions");
- client_path.push(&version_id);
- client_path.push(format!("{}.jar", version_id));
+ client_path.push(&minecraft_version);
+ client_path.push(format!("{}.jar", minecraft_version));
download_tasks.push(core::downloader::DownloadTask {
- url: client_jar.url,
+ url: client_jar.url.clone(),
path: client_path.clone(),
- sha1: Some(client_jar.sha1),
+ sha1: client_jar.sha1.clone(),
+ sha256: None,
});
// --- Libraries ---
@@ -153,7 +169,7 @@ async fn start_game(
for lib in &version_details.libraries {
if core::rules::is_library_allowed(&lib.rules) {
- // 1. Standard Library
+ // 1. Standard Library - check for explicit downloads first
if let Some(downloads) = &lib.downloads {
if let Some(artifact) = &downloads.artifact {
let path_str = artifact
@@ -167,7 +183,8 @@ async fn start_game(
download_tasks.push(core::downloader::DownloadTask {
url: artifact.url.clone(),
path: lib_path,
- sha1: Some(artifact.sha1.clone()),
+ sha1: artifact.sha1.clone(),
+ sha256: None,
});
}
@@ -200,13 +217,30 @@ async fn start_game(
download_tasks.push(core::downloader::DownloadTask {
url: native_artifact.url,
path: native_path.clone(),
- sha1: Some(native_artifact.sha1),
+ sha1: native_artifact.sha1,
+ sha256: None,
});
native_libs_paths.push(native_path);
}
}
}
+ } else {
+ // 3. Library without explicit downloads (mod loader libraries)
+ // Use Maven coordinate resolution
+ if let Some(url) =
+ core::maven::resolve_library_url(&lib.name, None, lib.url.as_deref())
+ {
+ if let Some(lib_path) = core::maven::get_library_path(&lib.name, &libraries_dir)
+ {
+ download_tasks.push(core::downloader::DownloadTask {
+ url,
+ path: lib_path,
+ sha1: None, // Maven libraries often don't have SHA1 in the JSON
+ sha256: None,
+ });
+ }
+ }
}
}
}
@@ -217,8 +251,14 @@ async fn start_game(
let objects_dir = assets_dir.join("objects");
let indexes_dir = assets_dir.join("indexes");
+ // Get asset index (may be inherited from parent)
+ let asset_index = version_details
+ .asset_index
+ .as_ref()
+ .ok_or("Version has no asset index information")?;
+
// Download Asset Index JSON
- let asset_index_path = indexes_dir.join(format!("{}.json", version_details.asset_index.id));
+ let asset_index_path = indexes_dir.join(format!("{}.json", asset_index.id));
// Check if index exists or download it
// Note: We need the content of this file to parse it.
@@ -230,11 +270,8 @@ async fn start_game(
.await
.map_err(|e| e.to_string())?
} else {
- println!(
- "Downloading asset index from {}",
- version_details.asset_index.url
- );
- let content = reqwest::get(&version_details.asset_index.url)
+ println!("Downloading asset index from {}", asset_index.url);
+ let content = reqwest::get(&asset_index.url)
.await
.map_err(|e| e.to_string())?
.text()
@@ -254,6 +291,7 @@ async fn start_game(
#[derive(serde::Deserialize, Debug)]
struct AssetObject {
hash: String,
+ #[allow(dead_code)]
size: u64,
}
@@ -280,6 +318,7 @@ async fn start_game(
url,
path,
sha1: Some(hash),
+ sha256: None,
});
}
@@ -394,10 +433,7 @@ async fn start_game(
replacements.insert("${version_name}", version_id.clone());
replacements.insert("${game_directory}", game_dir.to_string_lossy().to_string());
replacements.insert("${assets_root}", assets_dir.to_string_lossy().to_string());
- replacements.insert(
- "${assets_index_name}",
- version_details.asset_index.id.clone(),
- );
+ replacements.insert("${assets_index_name}", asset_index.id.clone());
replacements.insert("${auth_uuid}", account.uuid());
replacements.insert("${auth_access_token}", account.access_token());
replacements.insert("${user_type}", "mojang".to_string());
@@ -449,7 +485,10 @@ async fn start_game(
for (key, replacement) in &replacements {
arg = arg.replace(key, replacement);
}
- args.push(arg);
+ // Skip arguments with unresolved placeholders
+ if !has_unresolved_placeholder(&arg) {
+ args.push(arg);
+ }
} else if let Some(arr) = val.as_array() {
for sub in arr {
if let Some(s) = sub.as_str() {
@@ -457,7 +496,10 @@ async fn start_game(
for (key, replacement) in &replacements {
arg = arg.replace(key, replacement);
}
- args.push(arg);
+ // Skip arguments with unresolved placeholders
+ if !has_unresolved_placeholder(&arg) {
+ args.push(arg);
+ }
}
}
}
@@ -785,7 +827,7 @@ async fn refresh_account(
.map_err(|e| e.to_string())?;
let storage = core::account_storage::AccountStorage::new(app_dir.clone());
- let (stored_account, ms_refresh) = storage
+ let (_stored_account, ms_refresh) = storage
.get_active_account()
.ok_or("No active account found")?;
@@ -807,8 +849,8 @@ async fn refresh_account(
/// Detect Java installations on the system
#[tauri::command]
-async fn detect_java() -> Result<Vec<core::java::JavaInstallation>, String> {
- Ok(core::java::detect_java_installations())
+async fn detect_java(app_handle: tauri::AppHandle) -> Result<Vec<core::java::JavaInstallation>, String> {
+ Ok(core::java::detect_all_java_installations(&app_handle))
}
/// Get recommended Java for a specific Minecraft version
@@ -819,8 +861,349 @@ async fn get_recommended_java(
Ok(core::java::get_recommended_java(required_major_version))
}
+/// Get Adoptium Java download info
+#[tauri::command]
+async fn fetch_adoptium_java(
+ major_version: u32,
+ image_type: String,
+) -> Result<core::java::JavaDownloadInfo, String> {
+ let img_type = match image_type.to_lowercase().as_str() {
+ "jdk" => core::java::ImageType::Jdk,
+ _ => core::java::ImageType::Jre,
+ };
+ core::java::fetch_java_release(major_version, img_type).await
+}
+
+/// Download and install Adoptium Java
+#[tauri::command]
+async fn download_adoptium_java(
+ app_handle: tauri::AppHandle,
+ major_version: u32,
+ image_type: String,
+ custom_path: Option<String>,
+) -> Result<core::java::JavaInstallation, String> {
+ let img_type = match image_type.to_lowercase().as_str() {
+ "jdk" => core::java::ImageType::Jdk,
+ _ => core::java::ImageType::Jre,
+ };
+ let path = custom_path.map(std::path::PathBuf::from);
+ core::java::download_and_install_java(&app_handle, major_version, img_type, path).await
+}
+
+/// Get available Adoptium Java versions
+#[tauri::command]
+async fn fetch_available_java_versions() -> Result<Vec<u32>, String> {
+ core::java::fetch_available_versions().await
+}
+
+/// Fetch Java catalog with platform availability (uses cache)
+#[tauri::command]
+async fn fetch_java_catalog(
+ app_handle: tauri::AppHandle,
+) -> Result<core::java::JavaCatalog, String> {
+ core::java::fetch_java_catalog(&app_handle, false).await
+}
+
+/// Refresh Java catalog (bypass cache)
+#[tauri::command]
+async fn refresh_java_catalog(
+ app_handle: tauri::AppHandle,
+) -> Result<core::java::JavaCatalog, String> {
+ core::java::fetch_java_catalog(&app_handle, true).await
+}
+
+/// Cancel current Java download
+#[tauri::command]
+async fn cancel_java_download() -> Result<(), String> {
+ core::java::cancel_current_download();
+ Ok(())
+}
+
+/// Get pending Java downloads
+#[tauri::command]
+async fn get_pending_java_downloads(
+ app_handle: tauri::AppHandle,
+) -> Result<Vec<core::downloader::PendingJavaDownload>, String> {
+ Ok(core::java::get_pending_downloads(&app_handle))
+}
+
+/// Resume pending Java downloads
+#[tauri::command]
+async fn resume_java_downloads(
+ app_handle: tauri::AppHandle,
+) -> Result<Vec<core::java::JavaInstallation>, String> {
+ core::java::resume_pending_downloads(&app_handle).await
+}
+
+/// Get Minecraft versions supported by Fabric
+#[tauri::command]
+async fn get_fabric_game_versions() -> Result<Vec<core::fabric::FabricGameVersion>, String> {
+ core::fabric::fetch_supported_game_versions()
+ .await
+ .map_err(|e| e.to_string())
+}
+
+/// Get available Fabric loader versions
+#[tauri::command]
+async fn get_fabric_loader_versions() -> Result<Vec<core::fabric::FabricLoaderVersion>, String> {
+ core::fabric::fetch_loader_versions()
+ .await
+ .map_err(|e| e.to_string())
+}
+
+/// Get Fabric loaders available for a specific Minecraft version
+#[tauri::command]
+async fn get_fabric_loaders_for_version(
+ game_version: String,
+) -> Result<Vec<core::fabric::FabricLoaderEntry>, String> {
+ core::fabric::fetch_loaders_for_game_version(&game_version)
+ .await
+ .map_err(|e| e.to_string())
+}
+
+/// Install Fabric loader for a specific Minecraft version
+#[tauri::command]
+async fn install_fabric(
+ window: Window,
+ game_version: String,
+ loader_version: String,
+) -> Result<core::fabric::InstalledFabricVersion, String> {
+ emit_log!(
+ window,
+ format!(
+ "Installing Fabric {} for Minecraft {}...",
+ loader_version, game_version
+ )
+ );
+
+ let app_handle = window.app_handle();
+ let game_dir = app_handle
+ .path()
+ .app_data_dir()
+ .map_err(|e| format!("Failed to get app data dir: {}", e))?;
+
+ let result = core::fabric::install_fabric(&game_dir, &game_version, &loader_version)
+ .await
+ .map_err(|e| e.to_string())?;
+
+ emit_log!(
+ window,
+ format!("Fabric installed successfully: {}", result.id)
+ );
+
+ Ok(result)
+}
+
+/// List installed Fabric versions
+#[tauri::command]
+async fn list_installed_fabric_versions(window: Window) -> Result<Vec<String>, String> {
+ let app_handle = window.app_handle();
+ let game_dir = app_handle
+ .path()
+ .app_data_dir()
+ .map_err(|e| format!("Failed to get app data dir: {}", e))?;
+
+ core::fabric::list_installed_fabric_versions(&game_dir)
+ .await
+ .map_err(|e| e.to_string())
+}
+
+/// Check if Fabric is installed for a specific version
+#[tauri::command]
+async fn is_fabric_installed(
+ window: Window,
+ game_version: String,
+ loader_version: String,
+) -> Result<bool, String> {
+ let app_handle = window.app_handle();
+ let game_dir = app_handle
+ .path()
+ .app_data_dir()
+ .map_err(|e| format!("Failed to get app data dir: {}", e))?;
+
+ Ok(core::fabric::is_fabric_installed(
+ &game_dir,
+ &game_version,
+ &loader_version,
+ ))
+}
+
+/// Get Minecraft versions supported by Forge
+#[tauri::command]
+async fn get_forge_game_versions() -> Result<Vec<String>, String> {
+ core::forge::fetch_supported_game_versions()
+ .await
+ .map_err(|e| e.to_string())
+}
+
+/// Get available Forge versions for a specific Minecraft version
+#[tauri::command]
+async fn get_forge_versions_for_game(
+ game_version: String,
+) -> Result<Vec<core::forge::ForgeVersion>, String> {
+ core::forge::fetch_forge_versions(&game_version)
+ .await
+ .map_err(|e| e.to_string())
+}
+
+/// Install Forge for a specific Minecraft version
+#[tauri::command]
+async fn install_forge(
+ window: Window,
+ game_version: String,
+ forge_version: String,
+) -> Result<core::forge::InstalledForgeVersion, String> {
+ emit_log!(
+ window,
+ format!(
+ "Installing Forge {} for Minecraft {}...",
+ forge_version, game_version
+ )
+ );
+
+ let app_handle = window.app_handle();
+ let game_dir = app_handle
+ .path()
+ .app_data_dir()
+ .map_err(|e| format!("Failed to get app data dir: {}", e))?;
+
+ let result = core::forge::install_forge(&game_dir, &game_version, &forge_version)
+ .await
+ .map_err(|e| e.to_string())?;
+
+ emit_log!(
+ window,
+ format!("Forge installed successfully: {}", result.id)
+ );
+
+ Ok(result)
+}
+
+#[derive(serde::Serialize)]
+struct GithubRelease {
+ tag_name: String,
+ name: String,
+ published_at: String,
+ body: String,
+ html_url: String,
+}
+
+#[tauri::command]
+async fn get_github_releases() -> Result<Vec<GithubRelease>, String> {
+ let client = reqwest::Client::new();
+ let res = client
+ .get("https://api.github.com/repos/HsiangNianian/DropOut/releases")
+ .header("User-Agent", "DropOut-Launcher")
+ .send()
+ .await
+ .map_err(|e| e.to_string())?;
+
+ if !res.status().is_success() {
+ return Err(format!("GitHub API returned status: {}", res.status()));
+ }
+
+ let releases: Vec<serde_json::Value> = res.json().await.map_err(|e| e.to_string())?;
+
+ let mut result = Vec::new();
+ for r in releases {
+ if let (Some(tag), Some(name), Some(date), Some(body), Some(url)) = (
+ r["tag_name"].as_str(),
+ r["name"].as_str(),
+ r["published_at"].as_str(),
+ r["body"].as_str(),
+ r["html_url"].as_str()
+ ) {
+ result.push(GithubRelease {
+ tag_name: tag.to_string(),
+ name: name.to_string(),
+ published_at: date.to_string(),
+ body: body.to_string(),
+ html_url: url.to_string(),
+ });
+ }
+ }
+ Ok(result)
+}
+
+#[derive(Serialize)]
+struct PastebinResponse {
+ url: String,
+}
+
+#[tauri::command]
+async fn upload_to_pastebin(
+ state: State<'_, core::config::ConfigState>,
+ content: String,
+) -> Result<PastebinResponse, String> {
+ // Check content length limit
+ if content.len() > 500 * 1024 {
+ return Err("Log file too large (max 500KB)".to_string());
+ }
+
+ // Extract config values before any async calls to avoid holding MutexGuard across await
+ let (service, api_key) = {
+ let config = state.config.lock().unwrap();
+ (
+ config.log_upload_service.clone(),
+ config.pastebin_api_key.clone(),
+ )
+ };
+
+ let client = reqwest::Client::new();
+
+ match service.as_str() {
+ "pastebin.com" => {
+ let api_key = api_key
+ .ok_or("Pastebin API Key not configured in settings")?;
+
+ let res = client
+ .post("https://pastebin.com/api/api_post.php")
+ .form(&[
+ ("api_dev_key", api_key.as_str()),
+ ("api_option", "paste"),
+ ("api_paste_code", content.as_str()),
+ ("api_paste_private", "1"), // Unlisted
+ ("api_paste_name", "DropOut Launcher Log"),
+ ("api_paste_expire_date", "1W"),
+ ])
+ .send()
+ .await
+ .map_err(|e| e.to_string())?;
+
+ if !res.status().is_success() {
+ return Err(format!("Pastebin upload failed: {}", res.status()));
+ }
+
+ let url = res.text().await.map_err(|e| e.to_string())?;
+ if url.starts_with("Bad API Request") {
+ return Err(format!("Pastebin API error: {}", url));
+ }
+ Ok(PastebinResponse { url })
+ }
+ // Default to paste.rs
+ _ => {
+ let res = client
+ .post("https://paste.rs/")
+ .body(content)
+ .send()
+ .await
+ .map_err(|e| e.to_string())?;
+
+ if !res.status().is_success() {
+ return Err(format!("paste.rs upload failed: {}", res.status()));
+ }
+
+ let url = res.text().await.map_err(|e| e.to_string())?;
+ let url = url.trim().to_string();
+ Ok(PastebinResponse { url })
+ }
+ }
+}
+
fn main() {
tauri::Builder::default()
+ .plugin(tauri_plugin_fs::init())
+ .plugin(tauri_plugin_dialog::init())
.plugin(tauri_plugin_shell::init())
.manage(core::auth::AccountState::new())
.manage(MsRefreshTokenState::new())
@@ -846,6 +1229,13 @@ fn main() {
println!("[Startup] Loaded saved account");
}
+ // Check for pending Java downloads and notify frontend
+ let pending = core::java::get_pending_downloads(&app.app_handle());
+ if !pending.is_empty() {
+ println!("[Startup] Found {} pending Java download(s)", pending.len());
+ let _ = app.emit("pending-java-downloads", pending.len());
+ }
+
Ok(())
})
.invoke_handler(tauri::generate_handler![
@@ -859,8 +1249,30 @@ fn main() {
start_microsoft_login,
complete_microsoft_login,
refresh_account,
+ // Java commands
detect_java,
- get_recommended_java
+ get_recommended_java,
+ fetch_adoptium_java,
+ download_adoptium_java,
+ fetch_available_java_versions,
+ fetch_java_catalog,
+ refresh_java_catalog,
+ cancel_java_download,
+ get_pending_java_downloads,
+ resume_java_downloads,
+ // Fabric commands
+ get_fabric_game_versions,
+ get_fabric_loader_versions,
+ get_fabric_loaders_for_version,
+ install_fabric,
+ list_installed_fabric_versions,
+ is_fabric_installed,
+ // Forge commands
+ get_forge_game_versions,
+ get_forge_versions_for_game,
+ install_forge,
+ get_github_releases,
+ upload_to_pastebin
])
.run(tauri::generate_context!())
.expect("error while running tauri application");
diff --git a/src-tauri/src/utils/zip.rs b/src-tauri/src/utils/zip.rs
index a03c975..dfe1214 100644
--- a/src-tauri/src/utils/zip.rs
+++ b/src-tauri/src/utils/zip.rs
@@ -1,5 +1,7 @@
+use flate2::read::GzDecoder;
use std::fs;
use std::path::Path;
+use tar::Archive;
pub fn extract_zip(zip_path: &Path, extract_to: &Path) -> Result<(), String> {
let file = fs::File::open(zip_path)
@@ -38,3 +40,76 @@ pub fn extract_zip(zip_path: &Path, extract_to: &Path) -> Result<(), String> {
Ok(())
}
+
+/// Extract a tar.gz archive
+///
+/// Adoptium's tar.gz archives usually contain a top-level directory, such as `jdk-21.0.5+11-jre/`.
+/// This function returns the name of that directory to facilitate locating `bin/java` afterwards.
+pub fn extract_tar_gz(archive_path: &Path, extract_to: &Path) -> Result<String, String> {
+ let file = fs::File::open(archive_path)
+ .map_err(|e| format!("Failed to open tar.gz {}: {}", archive_path.display(), e))?;
+
+ let decoder = GzDecoder::new(file);
+ let mut archive = Archive::new(decoder);
+
+ // Ensure the target directory exists
+ fs::create_dir_all(extract_to)
+ .map_err(|e| format!("Failed to create extract directory: {}", e))?;
+
+ // Track the top-level directory name
+ let mut top_level_dir: Option<String> = None;
+
+ for entry in archive
+ .entries()
+ .map_err(|e| format!("Failed to read tar entries: {}", e))?
+ {
+ let mut entry = entry.map_err(|e| format!("Failed to read tar entry: {}", e))?;
+ let entry_path = entry
+ .path()
+ .map_err(|e| format!("Failed to get entry path: {}", e))?
+ .into_owned();
+
+ // Extract the top-level directory name (the first path component)
+ if top_level_dir.is_none() {
+ if let Some(first_component) = entry_path.components().next() {
+ let component_str = first_component.as_os_str().to_string_lossy().to_string();
+ if !component_str.is_empty() && component_str != "." {
+ top_level_dir = Some(component_str);
+ }
+ }
+ }
+
+ let outpath = extract_to.join(&entry_path);
+
+ if entry.header().entry_type().is_dir() {
+ fs::create_dir_all(&outpath)
+ .map_err(|e| format!("Failed to create directory {}: {}", outpath.display(), e))?;
+ } else {
+ // Ensure parent directory exists
+ if let Some(parent) = outpath.parent() {
+ if !parent.exists() {
+ fs::create_dir_all(parent)
+ .map_err(|e| format!("Failed to create parent dir: {}", e))?;
+ }
+ }
+
+ let mut outfile = fs::File::create(&outpath)
+ .map_err(|e| format!("Failed to create file {}: {}", outpath.display(), e))?;
+
+ std::io::copy(&mut entry, &mut outfile)
+ .map_err(|e| format!("Failed to extract file: {}", e))?;
+
+ // Set executable permissions on Unix systems
+ #[cfg(unix)]
+ {
+ use std::os::unix::fs::PermissionsExt;
+ if let Ok(mode) = entry.header().mode() {
+ let permissions = fs::Permissions::from_mode(mode);
+ let _ = fs::set_permissions(&outpath, permissions);
+ }
+ }
+ }
+ }
+
+ top_level_dir.ok_or_else(|| "Archive appears to be empty".to_string())
+}