224 lines
6.8 KiB
Rust
224 lines
6.8 KiB
Rust
use rocket::fs::NamedFile;
|
|
use rocket::http::Method;
|
|
use rocket::http::Status;
|
|
use rocket::response::{Responder, status};
|
|
use rocket::serde::{Deserialize, json::Json};
|
|
use rocket::{self, get, launch, post, routes};
|
|
use rocket_cors::{AllowedOrigins, CorsOptions};
|
|
use std::env;
|
|
use std::path::Path;
|
|
|
|
#[get("/")]
|
|
fn index() -> &'static str {
|
|
"Hello, world!"
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(crate = "rocket::serde")]
|
|
struct GenerationRequest<'r> {
|
|
directory: &'r str,
|
|
common_name: &'r str,
|
|
}
|
|
|
|
#[derive(Responder)]
|
|
enum GenerationError {
|
|
#[response(status = 500, content_type = "json")]
|
|
InternalError(String),
|
|
#[response(status = 404, content_type = "json")]
|
|
DirectoryNotFoundError(String),
|
|
}
|
|
|
|
fn get_base_directory() -> String {
|
|
match env::var("GENERATION_BASE_DIRECTORY") {
|
|
Ok(directory) => directory,
|
|
Err(_) => "base/".into(),
|
|
}
|
|
}
|
|
|
|
async fn check_is_valid_directory(
|
|
directory: impl AsRef<Path> + Clone,
|
|
) -> Result<(), GenerationError> {
|
|
match tokio::fs::metadata(directory.clone()).await {
|
|
Ok(metadata) => {
|
|
if !metadata.is_dir() {
|
|
return Err(GenerationError::DirectoryNotFoundError(
|
|
"The specified directory is not valid".into(),
|
|
));
|
|
}
|
|
}
|
|
Err(_) => {
|
|
return Err(GenerationError::DirectoryNotFoundError(
|
|
"The specified directory is not exists".into(),
|
|
));
|
|
}
|
|
};
|
|
|
|
// Check if the directory contains a 'vars.bat' and 'template.ovpn' files
|
|
const REQUIRED_FILES: [&str; 2] = ["vars.bat", "template.ovpn"];
|
|
for file_name in REQUIRED_FILES.iter() {
|
|
let file_path = directory.as_ref().join(file_name);
|
|
match tokio::fs::metadata(&file_path).await {
|
|
Ok(metadata) => {
|
|
if !metadata.is_file() {
|
|
return Err(GenerationError::DirectoryNotFoundError(format!(
|
|
"The specified directory is not valid, invalid file: {}",
|
|
file_name
|
|
)));
|
|
}
|
|
}
|
|
Err(_) => {
|
|
return Err(GenerationError::DirectoryNotFoundError(format!(
|
|
"The specified directory is not valid, missing file: {}",
|
|
file_name
|
|
)));
|
|
}
|
|
};
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[get("/get")]
|
|
async fn list_directories() -> Result<Json<Vec<String>>, status::Custom<String>> {
|
|
let mut reader = tokio::fs::read_dir(get_base_directory())
|
|
.await
|
|
.map_err(|e| {
|
|
status::Custom(
|
|
Status::InternalServerError,
|
|
format!("Failed to read directory: {}", e),
|
|
)
|
|
})?;
|
|
|
|
let mut directories = Vec::new();
|
|
while let Ok(Some(entry)) = reader.next_entry().await {
|
|
let path = entry.path();
|
|
if check_is_valid_directory(&path).await.is_ok() {
|
|
if let Some(name) = path.file_name() {
|
|
directories.push(name.to_str().unwrap().to_string())
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(Json(directories))
|
|
}
|
|
|
|
#[get("/get/<directory>")]
|
|
async fn list_directory(directory: &str) -> Result<Json<Vec<String>>, status::Custom<String>> {
|
|
let base = get_base_directory();
|
|
let dir = Path::new(&base).join(directory);
|
|
if check_is_valid_directory(&dir).await.is_err() {
|
|
return Err(status::Custom(
|
|
Status::BadRequest,
|
|
"The specified directory is not valid".into(),
|
|
));
|
|
}
|
|
|
|
let dir = dir.join("config");
|
|
let mut reader = tokio::fs::read_dir(dir).await.map_err(|e| {
|
|
status::Custom(
|
|
Status::InternalServerError,
|
|
format!("Failed to read directory: {}", e),
|
|
)
|
|
})?;
|
|
|
|
let mut files = Vec::new();
|
|
while let Ok(Some(entry)) = reader.next_entry().await {
|
|
let path = entry.path();
|
|
if let Ok(meta) = path.metadata() {
|
|
if !meta.is_file() {
|
|
continue;
|
|
}
|
|
if let Some(ext) = path.extension() {
|
|
if ext.to_str().unwrap() != "ovpn" {
|
|
continue;
|
|
};
|
|
if let Some(name) = path.file_name() {
|
|
files.push(name.to_str().unwrap().to_string())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(Json(files))
|
|
}
|
|
|
|
#[get("/get/<directory>/<file>")]
|
|
async fn get_file(directory: &str, file: &str) -> Result<NamedFile, status::NotFound<String>> {
|
|
let dir = Path::new(&get_base_directory()).join(directory);
|
|
if check_is_valid_directory(&dir).await.is_err() {
|
|
return Err(status::NotFound(
|
|
"The specified directory is not valid".into(),
|
|
));
|
|
}
|
|
|
|
let dir = dir.join("config");
|
|
let path = dir.join(file);
|
|
NamedFile::open(&path)
|
|
.await
|
|
.map_err(|e| status::NotFound(e.to_string()))
|
|
}
|
|
|
|
#[post("/generate", data = "<request>")]
|
|
async fn generate(request: Json<GenerationRequest<'_>>) -> Result<NamedFile, GenerationError> {
|
|
let dir = Path::new(&get_base_directory()).join(request.directory);
|
|
check_is_valid_directory(dir.clone()).await?;
|
|
|
|
let generator_bin = env::var("GENERATOR_BIN").unwrap_or("peazyrsa".into());
|
|
let mut cmd = tokio::process::Command::new(generator_bin);
|
|
if env::var("USE_OPENSSL").unwrap_or("no".into()) == "yes" {
|
|
let openssl_bin = env::var("OPENSSL_BIN").unwrap_or("openssl".into());
|
|
cmd.arg("--with-openssl").arg(openssl_bin);
|
|
}
|
|
cmd.arg("-d").arg(&dir).arg(request.common_name);
|
|
|
|
// execute the command and check error code
|
|
let status = cmd
|
|
.status()
|
|
.await
|
|
.map_err(|e| GenerationError::InternalError(format!("Failed to execute command: {}", e)))?;
|
|
if !status.success() {
|
|
return Err(GenerationError::InternalError(format!(
|
|
"Command failed with status: {}",
|
|
status
|
|
)));
|
|
}
|
|
|
|
// check output file exists
|
|
let output_file = dir
|
|
.join("config")
|
|
.join(format!("{}.ovpn", request.common_name));
|
|
if !output_file.exists() {
|
|
return Err(GenerationError::InternalError(
|
|
"Output file not found".into(),
|
|
));
|
|
}
|
|
|
|
match NamedFile::open(output_file).await {
|
|
Err(e) => Err(GenerationError::InternalError(format!(
|
|
"Failed to open output file: {}",
|
|
e
|
|
))),
|
|
Ok(f) => Ok(f),
|
|
}
|
|
}
|
|
|
|
#[launch]
|
|
fn rocket() -> _ {
|
|
let cors = CorsOptions::default()
|
|
.allowed_origins(AllowedOrigins::all())
|
|
.allowed_methods(
|
|
vec![Method::Get, Method::Post]
|
|
.into_iter()
|
|
.map(From::from)
|
|
.collect(),
|
|
)
|
|
.allow_credentials(true);
|
|
|
|
rocket::build()
|
|
.mount(
|
|
"/api/v1",
|
|
routes![index, list_directories, list_directory, get_file, generate],
|
|
)
|
|
.attach(cors.to_cors().unwrap())
|
|
}
|