Provisiona RustDesk automaticamente

apps/desktop/src-tauri/src/rustdesk.rs

@@ -0,0 +1,270 @@
+#![cfg(target_os = "windows")]
+
+use crate::RustdeskProvisioningResult;
+use once_cell::sync::Lazy;
+use parking_lot::Mutex;
+use reqwest::blocking::Client;
+use serde::Deserialize;
+use sha2::{Digest, Sha256};
+use std::env;
+use std::fs::{self, File};
+use std::io::{self, Write};
+use std::path::{Path, PathBuf};
+use std::process::{Command, Stdio};
+use std::thread;
+use std::time::Duration;
+use thiserror::Error;
+
+const RELEASES_API: &str = "https://api.github.com/repos/rustdesk/rustdesk/releases/latest";
+const USER_AGENT: &str = "RavenDesktop/1.0";
+const SERVER_HOST: &str = "rust.rever.com.br";
+const SERVER_KEY: &str = "0mxocQKmK6GvTZQYKgjrG9tlNkKOqf81gKgqwAmnZuI=";
+const DEFAULT_PASSWORD: &str = "FMQ9MA>e73r.FI<b*34Vmx_8P";
+const SERVICE_NAME: &str = "RustDesk";
+const CACHE_DIR_NAME: &str = "Rever\\RustDeskCache";
+
+static PROVISION_MUTEX: Lazy<Mutex<()>> = Lazy::new(|| Mutex::new(()));
+
+#[derive(Debug, Error)]
+pub enum RustdeskError {
+    #[error("HTTP error: {0}")]
+    Http(#[from] reqwest::Error),
+    #[error("I/O error: {0}")]
+    Io(#[from] io::Error),
+    #[error("Release asset não encontrado para Windows x86_64")]
+    AssetMissing,
+    #[error("Falha ao executar comando {command}: status {status:?}")]
+    CommandFailed { command: String, status: Option<i32> },
+    #[error("Falha ao detectar ID do RustDesk")] 
+    MissingId,
+}
+
+#[derive(Debug, Deserialize)]
+struct ReleaseAsset {
+    name: String,
+    browser_download_url: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct ReleaseResponse {
+    tag_name: String,
+    assets: Vec<ReleaseAsset>,
+}
+
+pub fn provision(machine_id: &str) -> Result<RustdeskProvisioningResult, RustdeskError> {
+    let _guard = PROVISION_MUTEX.lock();
+    let exe_path = detect_executable_path();
+    let (installed_version, freshly_installed) = ensure_installed(&exe_path)?;
+    let config_path = write_config_files()?;
+    apply_config(&exe_path, &config_path)?;
+    set_password(&exe_path)?;
+    let custom_id = set_custom_id(&exe_path, machine_id)?;
+    ensure_service_running()?;
+    let reported_id = query_id(&exe_path).unwrap_or(custom_id.clone());
+    let version = query_version(&exe_path).ok().or(installed_version);
+
+    Ok(RustdeskProvisioningResult {
+        id: reported_id,
+        password: DEFAULT_PASSWORD.to_string(),
+        installed_version: version,
+        updated: freshly_installed,
+    })
+}
+
+fn detect_executable_path() -> PathBuf {
+    let program_files = env::var("PROGRAMFILES").unwrap_or_else(|_| "C:/Program Files".to_string());
+    Path::new(&program_files).join("RustDesk").join("rustdesk.exe")
+}
+
+fn ensure_installed(exe_path: &Path) -> Result<(Option<String>, bool), RustdeskError> {
+    if exe_path.exists() {
+        return Ok((None, false));
+    }
+
+    let cache_root = PathBuf::from(env::var("PROGRAMDATA").unwrap_or_else(|_| "C:/ProgramData".to_string()))
+        .join(CACHE_DIR_NAME);
+    fs::create_dir_all(&cache_root)?;
+
+    let (installer_path, version_tag) = download_latest_installer(&cache_root)?;
+    run_installer(&installer_path)?;
+    thread::sleep(Duration::from_secs(20));
+
+    Ok((Some(version_tag), true))
+}
+
+fn download_latest_installer(cache_root: &Path) -> Result<(PathBuf, String), RustdeskError> {
+    let client = Client::builder()
+        .user_agent(USER_AGENT)
+        .timeout(Duration::from_secs(60))
+        .build()?;
+    let release: ReleaseResponse = client.get(RELEASES_API).send()?.error_for_status()?.json()?;
+    let asset = release
+        .assets
+        .iter()
+        .find(|a| a.name.ends_with("x86_64.exe"))
+        .ok_or(RustdeskError::AssetMissing)?;
+    let target_path = cache_root.join(&asset.name);
+    if target_path.exists() {
+        return Ok((target_path, release.tag_name));
+    }
+
+    let mut response = client.get(&asset.browser_download_url).send()?.error_for_status()?;
+    let mut output = File::create(&target_path)?;
+    response.copy_to(&mut output)?;
+    Ok((target_path, release.tag_name))
+}
+
+fn run_installer(installer_path: &Path) -> Result<(), RustdeskError> {
+    let status = Command::new(installer_path)
+        .arg("--silent-install")
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()?;
+    if !status.success() {
+        return Err(RustdeskError::CommandFailed {
+            command: format!("{} --silent-install", installer_path.display()),
+            status: status.code(),
+        });
+    }
+    Ok(())
+}
+
+fn write_config_files() -> Result<PathBuf, RustdeskError> {
+    let config_contents = build_config_contents();
+    let program_data = PathBuf::from(env::var("PROGRAMDATA").unwrap_or_else(|_| "C:/ProgramData".to_string()));
+    let main_path = program_data.join("RustDesk").join("config").join("RustDesk2.toml");
+    write_file(&main_path, &config_contents)?;
+
+    let service_profile = PathBuf::from(r"C:\\Windows\\ServiceProfiles\\LocalService\\AppData\\Roaming\\RustDesk\\config\\RustDesk2.toml");
+    write_file(&service_profile, &config_contents).ok();
+
+    Ok(main_path)
+}
+
+fn write_file(path: &Path, contents: &str) -> Result<(), io::Error> {
+    if let Some(parent) = path.parent() {
+        fs::create_dir_all(parent)?;
+    }
+    fs::write(path, contents)
+}
+
+fn build_config_contents() -> String {
+    format!(
+        r#"rendezvous_server = "{host}"
+relay_server = "{host}"
+api_server = ""
+serial = 0
+
+[options]
+key = "{key}"
+relay-server = "{host}"
+custom-rendezvous-server = "{host}"
+"#,
+        host = SERVER_HOST,
+        key = SERVER_KEY
+    )
+}
+
+fn apply_config(exe_path: &Path, config_path: &Path) -> Result<(), RustdeskError> {
+    let status = Command::new(exe_path)
+        .arg("--import-config")
+        .arg(config_path)
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()?;
+    if !status.success() {
+        return Err(RustdeskError::CommandFailed {
+            command: format!("{} --import-config {}", exe_path.display(), config_path.display()),
+            status: status.code(),
+        });
+    }
+    Ok(())
+}
+
+fn set_password(exe_path: &Path) -> Result<(), RustdeskError> {
+    run_with_args(exe_path, &["--password", DEFAULT_PASSWORD])
+}
+
+fn set_custom_id(exe_path: &Path, machine_id: &str) -> Result<String, RustdeskError> {
+    let custom_id = derive_numeric_id(machine_id);
+    run_with_args(exe_path, &["--set-id", &custom_id])?;
+    Ok(custom_id)
+}
+
+fn derive_numeric_id(machine_id: &str) -> String {
+    let mut hasher = Sha256::new();
+    hasher.update(machine_id.as_bytes());
+    let hash = hasher.finalize();
+    let mut bytes = [0u8; 8];
+    bytes.copy_from_slice(&hash[..8]);
+    let value = u64::from_le_bytes(bytes);
+    let num = (value % 900_000_000) + 100_000_000;
+    format!("{:09}", num)
+}
+
+fn ensure_service_running() -> Result<(), RustdeskError> {
+    let _ = run_sc(&["stop", SERVICE_NAME]);
+    thread::sleep(Duration::from_secs(2));
+    let _ = run_sc(&["config", SERVICE_NAME, &format!("start= {}", "auto")]);
+    run_sc(&["start", SERVICE_NAME])
+}
+
+fn run_sc(args: &[&str]) -> Result<(), RustdeskError> {
+    let status = Command::new("sc")
+        .args(args)
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()?;
+    if !status.success() {
+        return Err(RustdeskError::CommandFailed {
+            command: format!("sc {}", args.join(" ")),
+            status: status.code(),
+        });
+    }
+    Ok(())
+}
+
+fn query_id(exe_path: &Path) -> Result<String, RustdeskError> {
+    let output = Command::new(exe_path)
+        .arg("--get-id")
+        .output()?;
+    if !output.status.success() {
+        return Err(RustdeskError::CommandFailed {
+            command: format!("{} --get-id", exe_path.display()),
+            status: output.status.code(),
+        });
+    }
+    let stdout = String::from_utf8_lossy(&output.stdout).trim().to_string();
+    if stdout.is_empty() {
+        return Err(RustdeskError::MissingId);
+    }
+    Ok(stdout)
+}
+
+fn query_version(exe_path: &Path) -> Result<String, RustdeskError> {
+    let output = Command::new(exe_path)
+        .arg("--version")
+        .output()?;
+    if !output.status.success() {
+        return Err(RustdeskError::CommandFailed {
+            command: format!("{} --version", exe_path.display()),
+            status: output.status.code(),
+        });
+    }
+    Ok(String::from_utf8_lossy(&output.stdout).trim().to_string())
+}
+
+fn run_with_args(exe_path: &Path, args: &[&str]) -> Result<(), RustdeskError> {
+    let status = Command::new(exe_path)
+        .args(args)
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()?;
+    if !status.success() {
+        return Err(RustdeskError::CommandFailed {
+            command: format!("{} {}", exe_path.display(), args.join(" ")),
+            status: status.code(),
+        });
+    }
+    Ok(())
+}