Add a dowload game button, move all related version manifest component to manifest.rs

src-tauri/Cargo.lock

@@ -7,6 +7,7 @@ name = "Launcher-tauri"
 version = "0.0.0"
 dependencies = [
  "anyhow",
+ "directories",
  "log4rs",
  "rand 0.8.5",
  "reqwest",
@@ -618,6 +619,15 @@ dependencies = [
  "crypto-common",
 ]
 
+[[package]]
+name = "directories"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74be3be809c18e089de43bdc504652bb2bc473fca8756131f8689db8cf079ba9"
+dependencies = [
+ "dirs-sys",
+]
+
 [[package]]
 name = "dirs-next"
 version = "2.0.0"
@@ -628,6 +638,17 @@ dependencies = [
  "dirs-sys-next",
 ]
 
+[[package]]
+name = "dirs-sys"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04414300db88f70d74c5ff54e50f9e1d1737d9a5b90f53fcf2e95ca2a9ab554b"
+dependencies = [
+ "libc",
+ "redox_users",
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "dirs-sys-next"
 version = "0.1.2"
@@ -855,9 +876,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
 dependencies = [
  "futures-core",
+ "futures-io",
  "futures-macro",
  "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
  "slab",

src-tauri/Cargo.toml

@@ -20,16 +20,17 @@ tauri = {version = "1.2", features = ["api-all"] }
 tokio = { version = "1", features = ["full"] }
 uuid = "1.2.2"
 log4rs = "1.2.0"
-reqwest =  { version = "0.11.13", default-features = true, features = ["json"] }
+reqwest =  { version = "0.11.13", default-features = true, features = ["json", "blocking"] }
 urlencoding = "2.1.2"
 warp = "0.3.3"
 anyhow = "1.0.66"
 rand = "0.8.5"
+directories = "5.0.0"
 
 [features]
 # by default Tauri runs in production mode
 # when `tauri dev` runs it is executed with `cargo run --no-default-features` if `devPath` is an URL
-default = [ "custom-protocol" ]
+default = ["custom-protocol"]
 # this feature is used used for production builds where `devPath` points to the filesystem
 # DO NOT remove this
-custom-protocol = [ "tauri/custom-protocol" ]
+custom-protocol = ["tauri/custom-protocol"]

src-tauri/src/authentification/mod.rs

@@ -2,7 +2,7 @@ use std::{fmt, net::TcpListener, sync::Arc};
 
 use rand::{thread_rng, Rng};
 use reqwest::{header::{CONTENT_TYPE, CONNECTION, ACCEPT, AUTHORIZATION}, Client};
-use serde_json::{Value, json, Map};
+use serde_json::{Value, json};
 use tokio::{sync::mpsc, join};
 use urlencoding::encode;
 use serde::{Deserialize, Serialize};

src-tauri/src/launcher/manifest.rs

@@ -0,0 +1,107 @@
+use anyhow::{Result, bail};
+use reqwest::blocking::Client;
+use serde::{Serialize, Deserialize};
+use serde_json::{Value, Map};
+
+use super::VersionType;
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct VersionManifestV2 {
+    latest: Value,
+    versions: Vec<Version>
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Version {
+    id: String,
+    #[serde(rename(serialize = "type", deserialize = "type"))]
+    v_type: VersionType,
+    url: String,
+    sha1: String
+}
+
+
+pub fn get_version_manifest(reqwest: &Client) -> Result<VersionManifestV2> {
+    let received: VersionManifestV2 = reqwest
+    .get("https://piston-meta.mojang.com/mc/game/version_manifest_v2.json")
+    .send()?
+    .json()?;
+    Ok(received)
+}
+
+pub fn get_version_from_manifest<'a>(manifest: &'a VersionManifestV2, game_version: String, version_type: &VersionType) -> Result<&'a Version> {
+    for i in manifest.versions.iter().enumerate() {
+        let id = i.1.id.clone();
+        let v_type = i.1.v_type;
+        if id == game_version && &v_type == version_type {
+            return Ok(i.1);
+        }
+    }
+    bail!("Version not Found")
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct VersionDetail {
+    arguments: Map<String, Value>,
+    #[serde(rename(serialize = "assetIndex", deserialize = "assetIndex"))]
+    asset_index: Map<String, Value>,
+    assets: String,
+    downloads: Map<String, Value>,
+    id: String,
+    #[serde(rename(serialize = "javaVersion", deserialize = "javaVersion"))]
+    java_version: Map<String, Value>,
+    pub libraries: Vec<Library>,
+    logging: Map<String, Value>,
+    #[serde(rename(serialize = "mainClass", deserialize = "mainClass"))]
+    main_class: String,
+    #[serde(rename(serialize = "type", deserialize = "type"))]
+    v_type: VersionType
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct Library {
+    pub downloads: LibraryDownload,
+    pub name: String,
+    pub rules: Vec<LibraryRule>
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct LibraryDownload {
+    artifact: LibraryArtifact
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct LibraryRule {
+    pub action: String,
+    pub os: LibraryOSRule
+}
+#[derive(Serialize, Deserialize)]
+pub struct LibraryOSRule {
+    pub name: OSName,
+}
+
+#[derive(Serialize, Deserialize, PartialEq)]
+pub enum OSName {
+    #[serde(rename(serialize = "osx", deserialize = "osx"))]
+    MacOsX,
+    #[serde(rename(serialize = "linux", deserialize = "linux"))]
+    Linux,
+    #[serde(rename(serialize = "windows", deserialize = "windows"))]
+    Windows
+}
+
+#[derive(Serialize, Deserialize)]
+struct LibraryArtifact {
+    path: String,
+    sha1: String,
+    size: i64,
+    url: String,
+}
+
+pub fn get_version_detail(reqwest: &Client, version : &Version) -> Result<VersionDetail> {
+    let received: VersionDetail = reqwest
+    .get(version.url.clone())
+    .send()?
+    .json()?;
+    Ok(received)
+}

src-tauri/src/launcher/mod.rs

@@ -1,139 +1,45 @@
-use std::{fmt::Display, path::{self, Path}};
+mod manifest;
 
-use anyhow::{Result, bail};
+use std::{path::Path, fs};
-use reqwest::Client;
+
+use anyhow::Result;
+use reqwest::blocking::Client;
 use serde::{Serialize, Deserialize};
-use serde_json::{Value, Map};
-use tokio::fs;
 
 use crate::authentification::GameProfile;
 
-#[derive(Serialize, Deserialize, Debug)]
+use self::manifest::{VersionDetail, get_version_manifest, get_version_from_manifest, get_version_detail, Library, OSName};
-pub struct VersionManifestV2 {
-    latest: Value,
-    versions: Vec<Version>
-}
-
-#[derive(Serialize, Deserialize, Debug)]
-struct Version {
-    id: String,
-    #[serde(rename(serialize = "type", deserialize = "type"))]
-    v_type: VersionType,
-    url: String,
-    sha1: String
-}
 
 
-async fn get_version_manifest(reqwest: &Client) -> Result<VersionManifestV2> {
+#[cfg(target_os="windows")]
-    let received: VersionManifestV2 = reqwest
+const ACTUAL_OS: OSName = OSName::Windows;
-    .get("https://piston-meta.mojang.com/mc/game/version_manifest_v2.json")
+#[cfg(target_os="linux")]
-    .send()
+const ACTUAL_OS: OSName = OSName::Linux;
-    .await?
+#[cfg(target_os="macos")]
-    .json()
+const ACTUAL_OS: OSName = OSName::MacOsX;
-    .await?;
-    Ok(received)
-}
 
-fn get_version_from_manifest<'a>(manifest: &'a VersionManifestV2, game_version: String, version_type: &VersionType) -> Result<&'a Version> {
-    for i in manifest.versions.iter().enumerate() {
-        let id = i.1.id.clone();
-        let v_type = i.1.v_type;
-        if id == game_version && &v_type == version_type {
-            return Ok(i.1);
-        }
-    }
-    bail!("Version not Found")
-}
-
-#[derive(Serialize, Deserialize)]
-struct VersionDetail {
-    arguments: Map<String, Value>,
-    #[serde(rename(serialize = "assetIndex", deserialize = "assetIndex"))]
-    asset_index: Map<String, Value>,
-    assets: String,
-    downloads: Map<String, Value>,
-    id: String,
-    #[serde(rename(serialize = "javaVersion", deserialize = "javaVersion"))]
-    java_version: Map<String, Value>,
-    libraries: Vec<Library>,
-    logging: Map<String, Value>,
-    #[serde(rename(serialize = "mainClass", deserialize = "mainClass"))]
-    main_class: String,
-    #[serde(rename(serialize = "type", deserialize = "type"))]
-    v_type: VersionType
-}
-
-#[derive(Serialize, Deserialize)]
-struct Library {
-    downloads: LibraryDownload,
-    name: String,
-    rules: Vec<LibraryRule>
-}
-
-#[derive(Serialize, Deserialize)]
-struct LibraryRule {
-    action: String,
-    os: LibraryOSRule
-}
-#[derive(Serialize, Deserialize)]
-struct LibraryOSRule {
-    name: OSName,
-}
-
-#[derive(Serialize, Deserialize)]
-enum OSName {
-    #[serde(rename(serialize = "osx", deserialize = "osx"))]
-    MacOsX,
-    #[serde(rename(serialize = "linux", deserialize = "linux"))]
-    Linux,
-    #[serde(rename(serialize = "windows", deserialize = "windows"))]
-    Windows
-}
-
-#[derive(Serialize, Deserialize)]
-struct LibraryDownload {
-    artifact: LibraryArtifact
-}
-
-#[derive(Serialize, Deserialize)]
-struct LibraryArtifact {
-    path: String,
-    sha1: String,
-    size: i64,
-    url: String,
-}
-
-async fn get_version_detail(reqwest: &Client, version : &Version) -> Result<VersionDetail> {
-    let received: VersionDetail = reqwest
-    .get(version.url.clone())
-    .send()
-    .await?
-    .json()
-    .await?;
-    Ok(received)
-}
 pub struct ClientOptions<'a> {
-    authorization: GameProfile,
+    pub authorization: &'a GameProfile,
-    root_path: &'a Path,
+    pub root_path: &'a Path,
-    javaPath: String,
+    pub java_path: &'a Path,
-    version_number: String,
+    pub version_number: String,
-    version_type: VersionType,
+    pub version_type: VersionType,
     // version_custom: String, // for a next update
-    memory_min: String,
+    pub memory_min: String,
-    memory_max: String,
+    pub memory_max: String,
 }
 
 pub struct MinecraftClient<'a> {
-    opts: ClientOptions<'a>,
+    opts: &'a ClientOptions<'a>,
     details: VersionDetail,
     reqwest_client: Client,
 
 }
 
 impl<'a> MinecraftClient<'_> {
-    pub async fn new(opts: ClientOptions<'a>) -> Result<MinecraftClient<'a>> {
+    pub fn new(opts: &'a ClientOptions<'a>) -> Result<MinecraftClient<'a>> {
         let reqwest_client = Client::new();
-        let details = Self::load_manifest(&reqwest_client, &opts).await?;
+        let details = Self::load_manifest(&reqwest_client, &opts)?;
         Ok(MinecraftClient {
             opts,
             reqwest_client,
@@ -141,23 +47,41 @@ impl<'a> MinecraftClient<'_> {
         })
     }
 
-    async fn load_manifest(reqwest_client: &Client, opts: &ClientOptions<'a>) -> Result<VersionDetail> {
+    fn load_manifest(reqwest_client: &Client, opts: &ClientOptions<'a>) -> Result<VersionDetail> {
-        let manifest = get_version_manifest(&reqwest_client).await?;
+        let manifest = get_version_manifest(&reqwest_client)?;
         let version = get_version_from_manifest(&manifest, opts.version_number.clone(), &opts.version_type)?;
-        let details = get_version_detail(&reqwest_client, version).await?;
+        let details = get_version_detail(&reqwest_client, version)?;
         Ok(details)
     }
 
-    pub async fn download_assets(&self) -> Result<()> {
+    pub fn download_assets(&mut self) -> Result<()> {
         // create root folder if it doesn't exist
-        fs::create_dir_all(self.opts.root_path).await?;
+        fs::create_dir_all(self.opts.root_path)?;
-        fs::create_dir(self.opts.root_path.join("librairies")).await?;
+        fs::create_dir(self.opts.root_path.join("librairies"))?;
-        
+        self.filter_non_necessary_librairies();
         Ok(())
     }
     /// Filter non necessary librairies for the current OS
-    fn filter_non_necessary_librairies(&self) -> Result<()> {
+    fn filter_non_necessary_librairies(&mut self) {
-        bail!("Not implemented yet")
+        self.details.libraries.retain(|e| { Self::should_use_library(e) });  
+    }
+
+    fn should_use_library(library: &Library) -> bool {
+        if library.rules.is_empty() {
+            true
+        } else {
+            for i in library.rules.iter().enumerate() {
+                let op = if i.1.action == "allow" {
+                    true
+                } else {
+                    false
+                };
+                if i.1.os.name == ACTUAL_OS {
+                    return op;
+                }
+            }
+            false
+        }
     }
     
 }
@@ -175,31 +99,3 @@ pub enum VersionType {
     #[serde(alias = "old_beta")]
     OldBeta,
 }
-
-impl<'a> TryInto<&'a VersionType> for &str {
-    type Error = ();
-
-    fn try_into(self) -> std::result::Result<&'a VersionType, Self::Error> {
-        match self {
-            "release" => Ok(&VersionType::Release),
-            "snapshot" => Ok(&VersionType::Snapshot),
-            "old_alpha" => Ok(&VersionType::OldAlpha),
-            "old_beta" => Ok(&VersionType::OldBeta),
-            _ => Err(()),
-        }
-    }
-
-    
-}
-
-impl Display for VersionType {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let str = match self {
-            Self::Release => "release",
-            Self::Snapshot => "snapshot",
-            Self::OldAlpha => "old_alpha",
-            Self::OldBeta => "old_beta",
-        };
-        write!(f, "{}", str)
-    }
-}

src-tauri/src/main.rs

@@ -6,8 +6,14 @@
 pub mod authentification;
 pub mod launcher;
 
-use authentification::{Authentification, Prompt};
+use std::sync::{Mutex, Arc};
+
+use authentification::{Authentification, Prompt, GameProfile};
 use anyhow::Result;
+use directories::BaseDirs;
+use launcher::{MinecraftClient, ClientOptions};
+
+struct CustomState (Option<GameProfile>);
 
 // Learn more about Tauri commands at https://tauri.app/v1/guides/features/command
 #[tauri::command]
@@ -16,18 +22,68 @@ fn greet(name: &str) -> String {
 }
 
 #[tauri::command]
-async fn login(app: tauri::AppHandle, _window: tauri::Window) -> Result<String, String> {
+async fn login(app: tauri::AppHandle, _window: tauri::Window, state: tauri::State<'_, Mutex<CustomState>>) -> Result<String, String> {
     let result = Authentification::login(Prompt::SelectAccount, app).await;
     match result {
-        Ok(val) => Ok(format!("Hello {}", val.name)),
+        Ok(val) => {
+            let name = val.name.clone();
+            state.lock().unwrap().0.replace(val);
+            Ok(format!("Hello {}", name))
+        },
         Err(err) => Err(err.to_string())
     }
 }
 
+#[tauri::command]
+async fn download(app: tauri::AppHandle, _window: tauri::Window, state: tauri::State<'_, Mutex<CustomState>>) -> Result<String, String> {
+    if let Some(base_dir) = BaseDirs::new() {
+        let data_folder = base_dir.data_dir().join(".altarik");
+        let root_path = data_folder.as_path();
+        match state.lock() {
+            Ok(game_profile) => {
+                let game_profile = game_profile.0.as_ref().unwrap();
+                let java_path = root_path.join("java");
+                let opts = ClientOptions {
+                    authorization: &game_profile,
+                    root_path,
+                    java_path: &java_path.as_path(),
+                    version_number: "1.19.4".to_string(),
+                    version_type: launcher::VersionType::Release,
+                    memory_min: "2G".to_string(),
+                    memory_max: "4G".to_string(),
+                };
+                let client = MinecraftClient::new(&opts);
+                match client {
+                    Ok(mut client) => {
+                        match client.download_assets() {
+                            Ok(_) => {
+                                Ok("Content downloaded".to_string())
+                            },
+                            Err(err) => {
+                                Err(err.to_string())
+                            }
+                        }
+                    },
+                    Err(err) => {
+                        Err(err.to_string())
+                    }
+                }
+            },
+            Err(err) => {
+                Err(err.to_string())
+            }
+        }
+        
+    } else {
+        Err("Cannot download files".to_string())
+    }
+}
+
 #[tokio::main]
 async fn main() {
     tauri::Builder::default()
-        .invoke_handler(tauri::generate_handler![greet, login])
+        .manage(Arc::new(CustomState(None)))
+        .invoke_handler(tauri::generate_handler![greet, login, download])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }

src/components/login.js

@@ -2,19 +2,29 @@ export default {
   data() {
     return {
       button_message: "Login to minecraft",
-      greet_message: ""
+      greet_message: "",
+      greetDisabled: 0,
+      hideDownloadButton: true,
     }
   },
   methods: {
     login (e) {
       e.preventDefault()
+      if(!this.greetDisabled) {
+        this.greetDisabled = true
         this.invoke("login", {}).then(value => {
           this.greet_message = value
+          this.hideDownloadButton = false
         }).catch(err => {
           this.greet_message = "Error: " + err
+          this.greetDisabled = false
         })
       }
     },
+    download (e) {
+      
+    },
+  },
   props: {
     invoke: Object
   },
@@ -23,7 +33,8 @@ export default {
 
       <div class="row">
         <div>
-          <button id="greet-button" type="button" v-on:click="login">{{ button_message }}</button>
+          <button id="greet-button" :disabled="greetDisabled == 1" type="button" v-on:click="login">{{ button_message }}</button>
+          <button id="download-button" :class="{hide: hideDownloadButton }" v-on:click="download">Download game</button>
         </div>
       </div>
 

src/style.css

@@ -84,6 +84,10 @@ button {
   margin-right: 5px;
 }
 
+.hide {
+  display: none;
+}
+
 @media (prefers-color-scheme: dark) {
   :root {
     color: #f6f6f6;