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Proof of concept of launching Minecraft from Rust

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Jai A 2021-07-04 22:46:56 -07:00
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1
.idea/theseus.iml generated
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@ -41,6 +41,7 @@
<sourceFolder url="file://$MODULE_DIR$/target/debug/build/bzip2-sys-75559f3495f10aba/out" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/target/debug/build/crc32fast-f112d4af2349618a/out" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/target/debug/build/miniz_oxide-d683d4a97661215e/out" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/target/debug/build/sys-info-0c720b463af8b14b/out" isTestSource="false" />
<excludeFolder url="file://$MODULE_DIR$/target" />
</content>
<orderEntry type="inheritedJdk" />

15
Cargo.lock generated
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@ -936,6 +936,16 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "sys-info"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "33fcecee49339531cf6bd84ecf3ed94f9c8ef4a7e700f2a1cac9cc1ca485383a"
dependencies = [
"cc",
"libc",
]
[[package]]
name = "tempfile"
version = "3.2.0"
@ -962,6 +972,7 @@ dependencies = [
"reqwest",
"serde",
"serde_json",
"sys-info",
"thiserror",
"tokio",
"uuid",
@ -1151,6 +1162,10 @@ name = "uuid"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
dependencies = [
"getrandom",
"serde",
]
[[package]]
name = "vcpkg"

674
LICENSE.md Normal file
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@ -0,0 +1,674 @@
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How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
{one line to give the program's name and a brief idea of what it does.}
Copyright (C) {year} {name of author}
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
{project} Copyright (C) {year} {fullname}
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

6
theseus/Cargo.toml
View File

@ -13,7 +13,7 @@ reqwest = { version = "0.11", features = ["json"] }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
chrono = { version = "0.4", features = ["serde"] }
uuid = "0.8"
uuid = { version = "0.8", features = ["serde", "v4"] }
bytes = "1"
zip = "0.5"
@ -21,4 +21,6 @@ regex = "1.5"
lazy_static = "1.4"
tokio = { version = "1", features = ["full"] }
futures = "0.3"
futures = "0.3"
sys-info = "0.9.0"

219
theseus/src/launcher/args.rs Normal file
View File

@ -0,0 +1,219 @@
use crate::launcher::meta::{Argument, ArgumentValue, Library, Os, VersionType};
use crate::launcher::rules::parse_rules;
use std::path::Path;
use uuid::Uuid;
pub fn get_class_paths(libraries_path: &Path, libraries: &[Library], client_path: &Path) -> String {
let mut class_paths = Vec::new();
for library in libraries {
if library.downloads.artifact.is_some() {
if let Some(rules) = &library.rules {
if !super::rules::parse_rules(rules.as_slice()) {
continue;
}
}
let name_items = library.name.split(':').collect::<Vec<&str>>();
let package = name_items.get(0).unwrap();
let name = name_items.get(1).unwrap();
let version = name_items.get(2).unwrap();
let mut path = libraries_path.to_path_buf();
for directory in package.split(".") {
path.push(directory);
}
path.push(name);
path.push(version);
path.push(format!("{}-{}.jar", name, version));
class_paths.push(
std::fs::canonicalize(&path)
.unwrap()
.to_string_lossy()
.to_string(),
)
}
}
class_paths.push(
std::fs::canonicalize(&client_path)
.unwrap()
.to_string_lossy()
.to_string(),
);
class_paths.join(match super::download::get_os() {
Os::Osx | Os::Linux | Os::Unknown => ":",
Os::Windows => ";",
})
}
pub fn get_jvm_arguments(
arguments: Option<&[Argument]>,
natives_path: &Path,
class_paths: &str,
) -> Vec<String> {
let mut parsed_arguments = Vec::new();
if let Some(args) = arguments {
parse_arguments(args, &mut parsed_arguments, |arg| {
parse_jvm_argument(arg, natives_path, class_paths)
});
} else {
parsed_arguments.push(format!(
"-Djava.library.path={}",
&*std::fs::canonicalize(natives_path)
.unwrap()
.to_string_lossy()
.to_string()
));
parsed_arguments.push("-cp".to_string());
parsed_arguments.push(class_paths.to_string());
}
parsed_arguments
}
fn parse_jvm_argument(argument: &str, natives_path: &Path, class_paths: &str) -> String {
argument
.replace(
"${natives_directory}",
&*std::fs::canonicalize(natives_path)
.unwrap()
.to_string_lossy()
.to_string(),
)
.replace("${launcher_name}", "theseus")
.replace("${launcher_version}", env!("CARGO_PKG_VERSION"))
.replace("${classpath}", class_paths)
}
pub fn get_minecraft_arguments(
arguments: Option<&[Argument]>,
legacy_arguments: Option<&str>,
access_token: &str,
username: &str,
uuid: &Uuid,
version: &str,
asset_index_name: &str,
game_directory: &Path,
assets_directory: &Path,
version_type: &VersionType,
) -> Vec<String> {
if let Some(arguments) = arguments {
let mut parsed_arguments = Vec::new();
parse_arguments(arguments, &mut parsed_arguments, |arg| {
parse_minecraft_argument(
arg,
access_token,
username,
uuid,
version,
asset_index_name,
game_directory,
assets_directory,
version_type,
)
});
parsed_arguments
} else if let Some(legacy_arguments) = legacy_arguments {
parse_minecraft_argument(
legacy_arguments,
access_token,
username,
uuid,
version,
asset_index_name,
game_directory,
assets_directory,
version_type,
)
.split(" ")
.into_iter()
.map(|x| x.to_string())
.collect()
} else {
Vec::new()
}
}
fn parse_minecraft_argument(
argument: &str,
access_token: &str,
username: &str,
uuid: &Uuid,
version: &str,
asset_index_name: &str,
game_directory: &Path,
assets_directory: &Path,
version_type: &VersionType,
) -> String {
argument
.replace("${auth_access_token}", access_token)
.replace("${auth_session}", access_token)
.replace("${auth_player_name}", username)
.replace("${auth_uuid}", &*uuid.to_hyphenated().to_string())
.replace("${user_properties}", "{}")
.replace("${user_type}", "mojang")
.replace("${version_name}", version)
.replace("${assets_index_name}", asset_index_name)
.replace(
"${game_directory}",
&*std::fs::canonicalize(game_directory)
.unwrap()
.to_string_lossy()
.to_string(),
)
.replace(
"${assets_root}",
&*std::fs::canonicalize(assets_directory)
.unwrap()
.to_string_lossy()
.to_string(),
)
.replace(
"${game_assets}",
&*std::fs::canonicalize(assets_directory)
.unwrap()
.to_string_lossy()
.to_string(),
)
.replace("${version_type}", version_type.as_str())
}
fn parse_arguments<F>(arguments: &[Argument], parsed_arguments: &mut Vec<String>, parse_function: F)
where
F: Fn(&str) -> String,
{
for argument in arguments {
match argument {
Argument::Normal(arg) => {
let parsed = parse_function(arg);
for arg in parsed.split(" ") {
parsed_arguments.push(arg.to_string());
}
}
Argument::Ruled { rules, value } => {
if parse_rules(rules.as_slice()) {
match value {
ArgumentValue::Single(arg) => {
//parsed_arguments.push(parse_function(arg));
}
ArgumentValue::Many(args) => {
for arg in args {
//parsed_arguments.push(parse_function(arg));
}
}
}
}
}
}
}
}

161
theseus/src/launcher/auth.rs
View File

@ -1 +1,162 @@
use serde::{Deserialize, Serialize};
use uuid::Uuid;
#[derive(Debug, Serialize, Deserialize)]
pub struct GameProfile {
pub id: Uuid,
pub name: String,
}
#[derive(Debug, Deserialize)]
pub struct UserProperty {
pub name: String,
pub value: String,
}
#[derive(Debug, Deserialize)]
pub struct User {
pub id: String,
pub username: String,
pub properties: Option<Vec<UserProperty>>,
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct AuthenticateResponse {
pub user: Option<User>,
pub client_token: Uuid,
pub access_token: String,
pub available_profiles: Vec<GameProfile>,
pub selected_profile: Option<GameProfile>,
}
pub async fn login(username: &str, password: &str, request_user: bool) -> AuthenticateResponse {
let client = reqwest::Client::new();
client
.post("https://authserver.mojang.com/authenticate")
.header(reqwest::header::CONTENT_TYPE, "application/json")
.body(
serde_json::json!(
{
"agent": {
"name": "Minecraft",
"version": 1
},
"username": username,
"password": password,
"clientToken": Uuid::new_v4(),
"requestUser": request_user
}
)
.to_string(),
)
.send()
.await
.unwrap()
.json()
.await
.unwrap()
}
pub async fn sign_out(username: &str, password: &str) {
let client = reqwest::Client::new();
client
.post("https://authserver.mojang.com/signout")
.header(reqwest::header::CONTENT_TYPE, "application/json")
.body(
serde_json::json!(
{
"username": username,
"password": password
}
)
.to_string(),
)
.send()
.await
.unwrap();
}
pub async fn validate(access_token: &str, client_token: &str) {
let client = reqwest::Client::new();
client
.post("https://authserver.mojang.com/validate")
.header(reqwest::header::CONTENT_TYPE, "application/json")
.body(
serde_json::json!(
{
"accessToken": access_token,
"clientToken": client_token
}
)
.to_string(),
)
.send()
.await
.unwrap();
}
pub async fn invalidate(access_token: &str, client_token: &str) {
let client = reqwest::Client::new();
client
.post("https://authserver.mojang.com/invalidate")
.header(reqwest::header::CONTENT_TYPE, "application/json")
.body(
serde_json::json!(
{
"accessToken": access_token,
"clientToken": client_token
}
)
.to_string(),
)
.send()
.await
.unwrap();
}
#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct RefreshResponse {
pub user: Option<User>,
pub client_token: Uuid,
pub access_token: String,
pub selected_profile: Option<GameProfile>,
}
pub async fn refresh(
access_token: &str,
client_token: &str,
selected_profile: &GameProfile,
request_user: bool,
) -> RefreshResponse {
let client = reqwest::Client::new();
client
.post("https://authserver.mojang.com/refresh")
.header(reqwest::header::CONTENT_TYPE, "application/json")
.body(
serde_json::json!(
{
"accessToken": access_token,
"clientToken": client_token,
"selectedProfile": {
"id": selected_profile.id,
"name": selected_profile.name,
},
"requestUser": request_user,
}
)
.to_string(),
)
.send()
.await
.unwrap()
.json()
.await
.unwrap()
}

94
theseus/src/launcher/download.rs
View File

@ -1,7 +1,9 @@
use crate::launcher::meta::{
Asset, AssetIndex, AssetsIndex, DownloadType, Library, Os, RuleAction, VersionInfo,
Asset, AssetIndex, AssetsIndex, DownloadType, Library, Os, OsRule, RuleAction, VersionInfo,
};
use futures::future;
use regex::Regex;
use reqwest::{Error, Response};
use std::fs::File;
use std::io::{BufReader, Write};
use std::path::Path;
@ -33,7 +35,7 @@ pub async fn download_client(client_path: &Path, version_info: &VersionInfo) {
pub async fn download_assets(
assets_path: &Path,
legacy_path: Option<&Path>,
meta: AssetIndex,
meta: &AssetIndex,
index: &AssetsIndex,
) {
save_file(
@ -66,7 +68,7 @@ async fn download_asset(
))
.await;
let resource_path = assets_path.join(sub_hash).join(&asset.hash);
let resource_path = assets_path.join("objects").join(sub_hash).join(&asset.hash);
save_file(resource_path.as_path(), &resource);
if let Some(legacy_path) = legacy_path {
@ -87,28 +89,7 @@ pub async fn download_libraries(libraries_path: &Path, natives_path: &Path, libr
async fn download_library(libraries_path: &Path, natives_path: &Path, library: &Library) {
if let Some(rules) = &library.rules {
let mut allowed = true;
for rule in rules {
match rule.action {
RuleAction::Allow => {
if let Some(os) = &rule.os {
allowed = os.name == &get_os()
} else {
allowed = true
}
}
RuleAction::Disallow => {
if let Some(os) = &rule.os {
allowed = os.name != &get_os()
} else {
allowed = false
}
}
}
}
if !allowed {
if !super::rules::parse_rules(rules.as_slice()) {
return;
}
}
@ -143,14 +124,17 @@ async fn download_library_jar(
if let Some(library) = &library.downloads.artifact {
let bytes = download_file(&library.url).await;
save_file(
&libraries_path
.join(package)
.join(name)
.join(version)
.join(format!("{}-{}.jar", name, version)),
&bytes,
);
let mut path = libraries_path.to_path_buf();
for directory in package.split(".") {
path.push(directory);
}
path.push(name);
path.push(version);
path.push(format!("{}-{}.jar", name, version));
save_file(&path, &bytes);
}
}
@ -171,17 +155,21 @@ async fn download_native(
let parsed_key = os_key.replace("${arch}", "32");
if let Some(native) = classifiers.get(&*parsed_key) {
let path = &libraries_path
.join(package)
.join(name)
.join(version)
.join(format!("{}-{}-{}.jar", name, version, parsed_key));
let mut path = libraries_path.to_path_buf();
for directory in package.split(".") {
path.push(directory);
}
path.push(name);
path.push(version);
path.push(format!("{}-{}-{}.jar", name, version, parsed_key));
let bytes = download_file(&native.url).await;
save_file(path, &bytes);
save_file(&path, &bytes);
let file = File::open(path).unwrap();
let file = File::open(&path).unwrap();
let reader = BufReader::new(file);
let mut archive = zip::ZipArchive::new(reader).unwrap();
@ -199,20 +187,26 @@ fn save_file(path: &Path, bytes: &bytes::Bytes) {
}
async fn download_file(url: &str) -> bytes::Bytes {
reqwest::Client::builder()
let client = reqwest::Client::builder()
.pool_max_idle_per_host(0)
.tcp_keepalive(Some(std::time::Duration::from_secs(10)))
.build()
.unwrap()
.get(url)
.send()
.await
.unwrap()
.bytes()
.await
.unwrap()
.unwrap();
for attempt in 1..4 {
let result = client.get(url).send().await;
match result {
Ok(x) => return x.bytes().await.unwrap(),
Err(e) if attempt <= 3 => continue,
Err(e) => panic!(e),
}
}
unreachable!()
}
fn get_os() -> Os {
pub fn get_os() -> Os {
match std::env::consts::OS {
"windows" => Os::Windows,
"macos" => Os::Osx,

52
theseus/src/launcher/meta.rs
View File

@ -11,6 +11,17 @@ pub enum VersionType {
OldBeta,
}
impl VersionType {
pub fn as_str(&self) -> &'static str {
match self {
VersionType::Release => "release",
VersionType::Snapshot => "snapshot",
VersionType::OldAlpha => "old_alpha",
VersionType::OldBeta => "old_beta",
}
}
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct Version {
@ -100,14 +111,22 @@ pub enum Os {
#[derive(Serialize, Deserialize, Debug)]
pub struct OsRule {
pub name: Os,
pub name: Option<Os>,
pub version: Option<String>,
pub arch: Option<String>,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct LibraryRule {
pub struct FeatureRule {
pub is_demo_user: Option<bool>,
pub has_custom_resolution: Option<bool>,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct Rule {
pub action: RuleAction,
pub os: Option<OsRule>,
pub feature: Option<FeatureRule>,
}
#[derive(Serialize, Deserialize, Debug)]
@ -121,19 +140,44 @@ pub struct Library {
pub extract: Option<LibraryExtract>,
pub name: String,
pub natives: Option<HashMap<Os, String>>,
pub rules: Option<Vec<LibraryRule>>,
pub rules: Option<Vec<Rule>>,
}
#[derive(Serialize, Deserialize, Debug)]
#[serde(untagged)]
pub enum ArgumentValue {
Single(String),
Many(Vec<String>),
}
#[derive(Serialize, Deserialize, Debug)]
#[serde(untagged)]
pub enum Argument {
Normal(String),
Ruled {
rules: Vec<Rule>,
value: ArgumentValue,
},
}
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq, Hash)]
#[serde(rename_all = "snake_case")]
pub enum ArgumentType {
Game,
Jvm,
}
#[derive(Serialize, Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct VersionInfo {
pub arguments: Option<HashMap<ArgumentType, Vec<Argument>>>,
pub asset_index: AssetIndex,
pub assets: String,
pub downloads: HashMap<DownloadType, Download>,
pub id: String,
pub libraries: Vec<Library>,
pub main_class: String,
pub minecraft_arguments: String,
pub minecraft_arguments: Option<String>,
pub minimum_launcher_version: u32,
pub release_time: DateTime<Utc>,
pub time: DateTime<Utc>,

93
theseus/src/launcher/mod.rs
View File

@ -1,4 +1,95 @@
mod auth;
use std::path::Path;
use std::process::{Command, Stdio};
mod args;
pub mod auth;
pub mod download;
pub mod java;
pub mod meta;
mod rules;
pub async fn launch_minecraft(version_name: &str, root_dir: &Path) {
let manifest = meta::fetch_version_manifest().await.unwrap();
let version = meta::fetch_version_info(
manifest
.versions
.iter()
.find(|x| x.id == version_name)
.unwrap(),
)
.await
.unwrap();
//download_minecraft(&version, root_dir).await;
let auth = auth::login("username", "password", true).await;
let arguments = version.arguments.unwrap();
let profile = auth.selected_profile.unwrap();
let mut child = Command::new("java")
.args(args::get_jvm_arguments(
arguments
.get(&meta::ArgumentType::Jvm)
.map(|x| x.as_slice()),
&*root_dir.join("natives").join(&version.id),
&*args::get_class_paths(
&*root_dir.join("libraries"),
version.libraries.as_slice(),
&*root_dir
.join("versions")
.join(&version.id)
.join(format!("{}.jar", &version.id)),
),
))
.arg(version.main_class)
.args(args::get_minecraft_arguments(
arguments
.get(&meta::ArgumentType::Game)
.map(|x| x.as_slice()),
version.minecraft_arguments.as_deref(),
&*auth.access_token,
&*profile.name,
&profile.id,
&*version.id,
&version.asset_index.id,
root_dir,
&*root_dir.join("assets"),
&version.type_,
))
.current_dir(root_dir)
.stdout(Stdio::inherit())
.stderr(Stdio::inherit())
.spawn()
.unwrap();
child.wait().unwrap();
}
pub async fn download_minecraft(version: &meta::VersionInfo, root_dir: &Path) {
let assets_dir = meta::fetch_assets_index(&version).await.unwrap();
let legacy_dir = root_dir.join("resources");
futures::future::join3(
download::download_client(&*root_dir.join("versions"), &version),
download::download_assets(
&*root_dir.join("assets"),
if version.assets == "legacy" {
Some(legacy_dir.as_path())
} else {
None
},
&version.asset_index,
&assets_dir,
),
download::download_libraries(
&*root_dir.join("libraries"),
&*root_dir.join("natives").join(&version.id),
version.libraries.as_slice(),
),
)
.await;
}

52
theseus/src/launcher/rules.rs Normal file
View File

@ -0,0 +1,52 @@
use crate::launcher::download::get_os;
use crate::launcher::meta::{OsRule, Rule, RuleAction};
use regex::Regex;
pub fn parse_rules(rules: &[Rule]) -> bool {
rules.iter().all(|x| parse_rule(x))
}
pub fn parse_rule(rule: &Rule) -> bool {
let result = if let Some(os) = &rule.os {
parse_os_rule(os)
} else if let Some(feature) = &rule.feature {
false
} else {
true
};
return match rule.action {
RuleAction::Allow => result,
RuleAction::Disallow => !result,
};
}
pub fn parse_os_rule(rule: &OsRule) -> bool {
if let Some(arch) = &rule.arch {
match arch.as_str() {
"x86" => {
#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
return false;
}
"arm" => {
#[cfg(not(target_arch = "arm"))]
return false;
}
_ => {}
}
}
if let Some(name) = &rule.name {
if &get_os() != name {
return false;
}
}
if let Some(version) = &rule.version {
let regex = Regex::new(version.as_str()).unwrap();
if !regex.is_match(&*sys_info::os_release().unwrap()) {
return false;
}
}
true
}

28
theseus_cli/src/main.rs
View File

@ -1,28 +1,28 @@
use futures::{executor, future};
use std::path::Path;
use theseus::launcher::launch_minecraft;
use theseus::launcher::meta::ArgumentType;
#[tokio::main]
async fn main() {
let mut thing1 = theseus::launcher::meta::fetch_version_manifest()
.await
.unwrap();
launch_minecraft("1.15.2", &Path::new("./test")).await;
// let mut thing1 = theseus::launcher::meta::fetch_version_manifest()
// .await
// .unwrap();
//
// future::join_all(thing1.versions.iter().map(|x| async move {
// println!("{}", x.url);
// //println!("{}", x.url);
// let version = theseus::launcher::meta::fetch_version_info(x)
// .await
// .unwrap();
//
// println!("{:?}", version);
// if let Some(args) = &version.minecraft_arguments {
// println!("{:?}", args);
// }
// if let Some(args) = &version.arguments {
// println!("{:?}", args.get(&ArgumentType::Game).unwrap());
// }
// }))
// .await;
if let Some(version) = thing1.versions.iter().find(|x| &*x.id == "1.17") {
println!("{}", version.id);
let thing = theseus::launcher::meta::fetch_version_info(&version)
.await
.unwrap();
theseus::launcher::download::download_client(&Path::new("./versions"), &thing).await;
}
}