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build.rs
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build.rs
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use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::env::consts::{ARCH, OS};
use std::ffi::OsStr;
use std::fs::{metadata, remove_file, set_permissions};
use std::os::unix::fs::PermissionsExt;
use std::path::Path;
use std::sync::LazyLock;
use thiserror::Error;
const CONFIG: &str = include_str!("configs/env.json");
static DISTS: LazyLock<HashMap<(Os, Arch), Artifacts>> = LazyLock::new(|| {
let mut m = HashMap::new();
m.insert((Os::Linux, Arch::Amd64), Artifacts {
url: "https://github.com/zksecurity/stone-cli/releases/download/v0.1.0-alpha/stone-cli-linux-x86_64.tar.gz".to_string(),
sha256_sums: vec![
"4a45808fd5ace7a88bfaa2b921baeb49f381d38afaa67e795b1038dd5a6adeff".to_string(),
"d5345e3e72a6180dabcec79ef35cefc735ea72864742e1cc117869da7d122ee5".to_string(),
"8ed3cad6cf3fb10f5a600af861c28b8f427244b0c2de920f1c18ea78371a66a9".to_string(),
"672dbec290a5ab55a4e90d54d556d5d6f33f5ae9fdf8fd635b555172fdf6a34a".to_string(),
],
});
m.insert((Os::MacOS, Arch::Aarch64), Artifacts {
url: "https://github.com/zksecurity/stone-cli/releases/download/v0.1.0-alpha/stone-cli-macos-aarch64.tar.gz".to_string(),
sha256_sums: vec![
"37029e44bf8812b2fb38afebb3f47b0decfcf00b8ac29af6698615a507932511".to_string(),
"d91e8328b7a228445dda0b9d1acb21a86ab894727737e2d70a0210179b90f00e".to_string(),
"fc4090e3395e101f3481efc247ad590e5db7704c31321480522904d68ba5d009".to_string(),
"672dbec290a5ab55a4e90d54d556d5d6f33f5ae9fdf8fd635b555172fdf6a34a".to_string(),
],
});
m
});
#[derive(Debug, Error)]
enum ConversionError {
#[error("Unsupported architecture: {0}")]
UnsupportedArchitecture(String),
#[error("Unsupported operating system: {0}")]
UnsupportedOperatingSystem(String),
}
#[derive(Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
enum Os {
Linux,
MacOS,
}
impl TryInto<Os> for &str {
type Error = ConversionError;
fn try_into(self) -> Result<Os, Self::Error> {
match self {
"linux" => Ok(Os::Linux),
"macos" => Ok(Os::MacOS),
_ => Err(ConversionError::UnsupportedOperatingSystem(
self.to_string(),
)),
}
}
}
#[derive(Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
enum Arch {
Aarch64,
Amd64,
}
impl TryInto<Arch> for &str {
type Error = ConversionError;
fn try_into(self) -> Result<Arch, Self::Error> {
match self {
"aarch64" => Ok(Arch::Aarch64),
"x86_64" => Ok(Arch::Amd64),
_ => Err(ConversionError::UnsupportedArchitecture(self.to_string())),
}
}
}
#[derive(Deserialize)]
struct Artifacts {
url: String,
sha256_sums: Vec<String>,
}
#[derive(Deserialize)]
struct Config {
download_dir: String,
file_names: Vec<String>,
#[allow(dead_code)]
env_names: Vec<String>,
}
fn main() {
let config: Config = serde_json::from_str(CONFIG).expect("Failed to parse config file");
download_executables(&config);
download_corelib_repo();
}
fn download_executables(config: &Config) {
let download_dir = Path::new(env!("HOME")).join(&config.download_dir);
if !download_dir.exists() {
std::fs::create_dir_all(&download_dir).expect("Failed to create download directory");
}
if config
.file_names
.iter()
.all(|filename| download_dir.join(filename).exists())
{
return;
}
let dist = &DISTS[&(OS.try_into().unwrap(), ARCH.try_into().unwrap())];
let url = &dist.url;
let download_file_name = Path::new(url)
.file_name()
.expect("Failed to get the last path of the URL");
let download_file_path = download_dir.join(download_file_name);
download_from_url(url, &download_file_path);
unzip_file(&download_file_path, &download_dir);
move_files(&download_dir, &download_file_name, &config.file_names);
remove_file(&download_file_path).expect("Failed to remove tar file");
let sha256_sums = &dist.sha256_sums;
validate_unpacked_files(&download_dir, &config.file_names, &sha256_sums);
set_execute_permissions(config);
}
fn set_execute_permissions(config: &Config) {
let download_dir = Path::new(env!("HOME")).join(&config.download_dir);
for filename in config.file_names.iter() {
let file_path = download_dir.join(filename);
if !file_path.exists() {
panic!("File {} does not exist", file_path.display());
}
let mut permissions = metadata(&file_path)
.expect("Failed to get file metadata")
.permissions();
permissions.set_mode(0o755);
set_permissions(&file_path, permissions).expect("Failed to set file permissions");
}
}
fn download_corelib_repo() {
let download_dir = Path::new(env!("HOME")).join(".stone-cli");
let corelib_dir = Path::new(env!("HOME")).join(download_dir.join("corelib"));
let url = "https://github.com/starkware-libs/cairo/releases/download/v2.6.3/release-x86_64-unknown-linux-musl.tar.gz";
let download_file_path = download_dir.join("release-x86_64-unknown-linux-musl.tar.gz");
if !corelib_dir.exists() {
download_from_url(url, &download_file_path);
unzip_file(&download_file_path, &download_dir);
remove_file(&download_file_path).expect("Failed to remove tar file");
if !std::process::Command::new("cp")
.args([
"-r",
&download_dir.join("cairo").join("corelib").to_string_lossy(),
&download_dir.to_string_lossy(),
])
.status()
.expect("Failed to copy corelib directory")
.success()
{
panic!("Failed to copy corelib directory. Please check if the directory exists in the current directory.");
}
if !std::process::Command::new("rm")
.args(["-rf", &download_dir.join("cairo").to_string_lossy()])
.status()
.expect("Failed to remove the repository")
.success()
{
panic!("Failed to remove the repository. Please check your permissions and try again.");
}
}
}
fn unzip_file(download_file_path: &Path, download_dir: &Path) {
let tar_gz = std::fs::File::open(download_file_path).expect("Failed to open tar.gz file");
let tar = flate2::read::GzDecoder::new(tar_gz);
let mut archive = tar::Archive::new(tar);
archive
.unpack(download_dir)
.expect("Failed to unpack tar.gz file");
}
fn move_files(download_dir: &Path, download_file_name: &OsStr, file_names: &[String]) {
// file name has the following syntax ("stone-cli-macos-aarch64.tar.gz"), so we need to split by "." and take the last element
let files_dir = download_file_name
.to_str()
.expect("Failed to convert OsStr to str")
.split('.')
.next()
.unwrap();
let download_dir = Path::new(env!("HOME")).join(download_dir);
for filename in file_names.iter() {
let file_path = download_dir.join(files_dir).join(filename);
if !file_path.exists() {
panic!("File {} does not exist", file_path.display());
}
let new_file_path = download_dir.join(filename);
std::fs::rename(&file_path, &new_file_path).expect("Failed to move file");
}
// Remove the directory containing the unpacked files
let files_dir_path = download_dir.join(files_dir);
if files_dir_path.exists() {
std::fs::remove_dir_all(&files_dir_path).unwrap_or_else(|e| {
panic!(
"Failed to remove directory {}: {}",
files_dir_path.display(),
e
)
});
}
}
fn validate_unpacked_files(download_dir: &Path, file_names: &[String], sha256_sums: &[String]) {
let unpacked_files: Vec<_> = std::fs::read_dir(download_dir)
.expect("Failed to read download directory")
.map(|entry| {
entry
.expect("Failed to read directory entry")
.file_name()
.into_string()
.expect("Failed to convert OsString to String")
})
.collect();
for unpacked_file in unpacked_files {
if !file_names.contains(&unpacked_file) {
panic!(
"Unexpected file {} found in download directory",
unpacked_file
);
}
let index = file_names
.iter()
.position(|name| name == &unpacked_file)
.unwrap();
let sha256_sum = &sha256_sums[index];
let file_path = download_dir.join(unpacked_file);
let calculated_sha256 = sha256::try_digest(&file_path).unwrap();
if calculated_sha256 != *sha256_sum {
panic!("File {} has incorrect sha256 sum", file_path.display());
}
}
}
fn download_from_url(url: &str, download_file_path: &Path) {
let response = reqwest::blocking::get(url).expect("Failed to download file");
let mut file = std::fs::File::create(download_file_path).expect("Failed to create file");
std::io::copy(
&mut response.bytes().expect("Failed to read response").as_ref(),
&mut file,
)
.expect("Failed to write to file");
}