snarkos_cli/
lib.rs

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// Copyright 2024 Aleo Network Foundation
// This file is part of the snarkOS library.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:

// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#![forbid(unsafe_code)]
#![recursion_limit = "256"]

#[macro_use]
extern crate thiserror;

pub mod commands;
pub mod helpers;

use anyhow::Result;
use std::{
    fs::{File, Permissions},
    path::Path,
};

#[cfg(unix)]
pub fn check_parent_permissions<T: AsRef<Path>>(path: T) -> Result<()> {
    use anyhow::{bail, ensure};
    use std::os::unix::fs::PermissionsExt;

    if let Some(parent) = path.as_ref().parent() {
        let permissions = parent.metadata()?.permissions().mode();
        ensure!(permissions & 0o777 == 0o700, "The folder {:?} must be readable only by the owner (0700)", parent);
    } else {
        let path = path.as_ref();
        bail!("Parent does not exist for path={}", path.display());
    }

    Ok(())
}

#[cfg(windows)]
pub fn check_parent_permissions<T: AsRef<Path>>(_path: T) -> Result<()> {
    Ok(())
}

#[cfg(unix)]
fn set_user_read_only(file: &File) -> Result<()> {
    use std::os::unix::fs::PermissionsExt;

    let permissions = Permissions::from_mode(0o400);
    file.set_permissions(permissions)?;
    Ok(())
}

#[cfg(windows)]
fn set_user_read_only(file: &File) -> Result<()> {
    let mut permissions = file.metadata()?.permissions();
    permissions.set_readonly(true);
    file.set_permissions(permissions)?;
    Ok(())
}