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Use sha2 crate for hashing

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This commit is contained in:
Sam Hedin 2020-06-25 19:47:11 +02:00
parent ce23b3b96e
commit 31c85f71ff
5 changed files with 76 additions and 26 deletions
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64
Cargo.lock generated
View File

@ -342,7 +342,16 @@ dependencies = [
"block-padding",
"byte-tools",
"byteorder",
"generic-array",
"generic-array 0.12.3",
]
[[package]]
name = "block-buffer"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
dependencies = [
"generic-array 0.14.2",
]
[[package]]
@ -614,6 +623,12 @@ version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
[[package]]
name = "cpuid-bool"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6d375c433320f6c5057ae04a04376eef4d04ce2801448cf8863a78da99107be4"
[[package]]
name = "crc32fast"
version = "1.2.0"
@ -869,7 +884,16 @@ version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
dependencies = [
"generic-array",
"generic-array 0.12.3",
]
[[package]]
name = "digest"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
dependencies = [
"generic-array 0.14.2",
]
[[package]]
@ -1409,6 +1433,16 @@ dependencies = [
"typenum",
]
[[package]]
name = "generic-array"
version = "0.14.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac746a5f3bbfdadd6106868134545e684693d54d9d44f6e9588a7d54af0bf980"
dependencies = [
"typenum",
"version_check 0.9.1",
]
[[package]]
name = "gethostname"
version = "0.2.1"
@ -2498,6 +2532,7 @@ dependencies = [
"serde_json",
"serde_urlencoded",
"serde_yaml",
"sha2",
"shellexpand",
"starship",
"strip-ansi-escapes",
@ -2949,6 +2984,12 @@ version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
[[package]]
name = "opaque-debug"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
[[package]]
name = "open"
version = "1.4.0"
@ -3845,10 +3886,23 @@ version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
dependencies = [
"block-buffer",
"digest",
"block-buffer 0.7.3",
"digest 0.8.1",
"fake-simd",
"opaque-debug",
"opaque-debug 0.2.3",
]
[[package]]
name = "sha2"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2933378ddfeda7ea26f48c555bdad8bb446bf8a3d17832dc83e380d444cfb8c1"
dependencies = [
"block-buffer 0.9.0",
"cfg-if",
"cpuid-bool",
"digest 0.9.0",
"opaque-debug 0.3.0",
]
[[package]]

1
crates/nu-cli/Cargo.toml
View File

@ -75,6 +75,7 @@ serde_ini = "0.2.0"
serde_json = "1.0.53"
serde_urlencoded = "0.6.1"
serde_yaml = "0.8"
sha2 = "0.9.1"
shellexpand = "2.0.0"
strip-ansi-escapes = "0.1.0"
tempfile = "3.1.0"

2
crates/nu-cli/src/commands/autoenv.rs
View File

@ -11,7 +11,7 @@ pub struct Autoenv;
#[derive(Deserialize, Serialize, Debug, Default)]
pub struct Trusted {
pub files: IndexMap<String, String>,
pub files: IndexMap<String, Vec<u8>>,
}
impl Trusted {
pub fn new() -> Self {

23
crates/nu-cli/src/commands/autoenv_trust.rs
View File

@ -4,8 +4,9 @@ use crate::{path, prelude::*};
use nu_errors::ShellError;
use nu_protocol::SyntaxShape;
use nu_protocol::{Primitive, ReturnSuccess, Signature, UntaggedValue, Value};
use std::hash::{Hash, Hasher};
use std::{collections::hash_map::DefaultHasher, fs, path::PathBuf};
use std::{fs, path::PathBuf};
use sha2::{Digest, Sha256};
pub struct AutoenvTrust;
#[async_trait]
@ -45,20 +46,14 @@ impl WholeStreamCommand for AutoenvTrust {
}
};
let content = std::fs::read_to_string(&file_to_trust).or_else(|_| {
Err(ShellError::untagged_runtime_error(
"No .nu-env file in the given directory",
))
})?;
let content = std::fs::read(&file_to_trust)?;
let mut hasher = DefaultHasher::new();
content.hash(&mut hasher);
let file_to_trust = file_to_trust.to_string_lossy().to_string();
let filename = file_to_trust.to_string_lossy().to_string();
let mut allowed = Trusted::read_trusted()?;
allowed
.files
.insert(file_to_trust, hasher.finish().to_string());
allowed.files.insert(
filename,
Sha256::digest(&content).as_slice().to_vec()
);
let config_path = config::default_path_for(&Some(PathBuf::from("nu-env.toml")))?;
let tomlstr = toml::to_string(&allowed).or_else(|_| {

12
crates/nu-cli/src/env/directory_specific_environment.rs vendored
View File

@ -2,11 +2,10 @@ use crate::commands::{self, autoenv::Trusted};
use commands::autoenv;
use indexmap::{IndexMap, IndexSet};
use nu_errors::ShellError;
use sha2::{Digest, Sha256};
use std::{
collections::hash_map::DefaultHasher,
ffi::OsString,
fmt::Debug,
hash::{Hash, Hasher},
path::{Path, PathBuf},
};
@ -34,13 +33,14 @@ impl DirectorySpecificEnvironment {
fn toml_if_directory_is_trusted(&self, wdirenv: &PathBuf) -> Result<toml::Value, ShellError> {
if let Some(trusted) = &self.trusted {
let content = std::fs::read_to_string(&wdirenv)?;
let mut hasher = DefaultHasher::new();
content.hash(&mut hasher);
let content = std::fs::read(&wdirenv)?;
if trusted.files.get(wdirenv.to_str().unwrap_or(""))
== Some(&hasher.finish().to_string())
== Some(&Sha256::digest(&content).as_slice().to_vec())
{
let content = std::str::from_utf8(&content.as_slice()).or_else(|_| {
Err(ShellError::untagged_runtime_error(format!("Could not read {:?} as utf8 string", content)))
})?;
return Ok(content.parse::<toml::Value>().or_else(|_| {
Err(ShellError::untagged_runtime_error(format!(
"Could not parse {:?}. Is it well-formed?",