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This commit is contained in:
Sam Hedin 2020-06-27 16:58:24 +02:00
parent 041781f101
commit e231b85570
2 changed files with 48 additions and 23 deletions
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40
crates/nu-cli/src/commands/autoenv.rs
View File

@ -4,9 +4,9 @@ use nu_errors::ShellError;
use nu_protocol::{ReturnSuccess, Signature, UntaggedValue};
use serde::Deserialize;
use serde::Serialize;
use sha2::{Digest, Sha256};
use std::io::Read;
use std::path::PathBuf;
pub struct Autoenv;
#[derive(Deserialize, Serialize, Debug, Default)]
@ -19,7 +19,37 @@ impl Trusted {
files: IndexMap::new(),
}
}
pub fn read_trusted() -> Result<Self, ShellError> {
pub fn read_trusted() -> Result<Trusted, ShellError> {
let allowed = Trusted {
files: read_config_file()?,
};
Ok(allowed)
}
pub fn file_is_trusted_reload_config(
&mut self,
nu_env_file: &PathBuf,
content: &Vec<u8>,
) -> Result<bool, ShellError> {
let contentdigest = Sha256::digest(&content).as_slice().to_vec();
let nufile = nu_env_file.to_str().unwrap_or("");
//If the existing hash for nu_env_file exists and corresponds to the hash of content, everything is fine.
if self.files.get(nufile) == Some(&contentdigest) {
return Ok(true);
}
//Otherwise, we re-read the hash from nu-env.toml and compare with that. If it is the same, we update the map.
//This allows the user to use autoenv trust without having to restart nushell afterwards
// let current_config = read_config_file()?;
// if current_config.get(nufile) == Some(&contentdigest) {
// self.files = current_config;
// return Ok(true);
// }
Ok(false)
}
}
fn read_config_file() -> Result<IndexMap<String, Vec<u8>>, ShellError> {
let config_path = config::default_path_for(&Some(PathBuf::from("nu-env.toml")))?;
let mut file = std::fs::OpenOptions::new()
@ -34,11 +64,9 @@ impl Trusted {
})?;
let mut doc = String::new();
file.read_to_string(&mut doc)?;
let allowed: Trusted = toml::from_str(doc.as_str()).unwrap_or_else(|_| Trusted::new());
Ok(allowed)
}
Ok(toml::from_str(doc.as_str()).unwrap_or_else(|_| IndexMap::new()))
}
#[async_trait]
impl WholeStreamCommand for Autoenv {
fn name(&self) -> &str {

9
crates/nu-cli/src/env/directory_specific_environment.rs vendored
View File

@ -36,12 +36,11 @@ impl DirectorySpecificEnvironment {
}
}
fn toml_if_directory_is_trusted(&self, nu_env_file: &PathBuf) -> Result<toml::Value, ShellError> {
if let Some(trusted) = &self.trusted {
fn toml_if_directory_is_trusted(&mut self, nu_env_file: &PathBuf) -> Result<toml::Value, ShellError> {
if let Some(trusted) = self.trusted.as_mut() {
let content = std::fs::read(&nu_env_file)?;
if trusted.files.get(nu_env_file.to_str().unwrap_or(""))
== Some(&Sha256::digest(&content).as_slice().to_vec())
if trusted.file_is_trusted_reload_config(&nu_env_file, &content)?
{
return Ok(std::str::from_utf8(&content.as_slice()).or_else(|_| {
Err(ShellError::untagged_runtime_error(format!("Could not read {:?} as utf8 string", content)))
@ -66,8 +65,6 @@ impl DirectorySpecificEnvironment {
//If we are in the last seen directory, do nothing
//If we are in a parent directory to last_seen_directory, just return without applying .nu-env in the parent directory - they were already applied earlier.
//If current dir is parent to last_seen_directory, current.cmp(last) returns less
//if current dir is the same as last_seen, current.cmp(last) returns equal
while self.last_seen_directory.cmp(&working_dir) == std::cmp::Ordering::Less { //parent.cmp(child) = Less
if nu_env_file.exists() {
let toml_doc = self.toml_if_directory_is_trusted(&nu_env_file)?;