mirror of
https://github.com/denoland/deno.git
synced 2024-11-29 16:30:56 -05:00
1128 lines
35 KiB
Rust
1128 lines
35 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use crate::colors;
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use crate::flags::Flags;
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use crate::fs::resolve_from_cwd;
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use crate::op_error::OpError;
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use serde::Deserialize;
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use std::collections::HashSet;
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use std::env::current_dir;
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use std::fmt;
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use std::hash::Hash;
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#[cfg(not(test))]
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use std::io;
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use std::path::{Path, PathBuf};
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#[cfg(test)]
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use std::sync::atomic::AtomicBool;
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#[cfg(test)]
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use std::sync::atomic::Ordering;
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#[cfg(test)]
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use std::sync::Mutex;
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use url::Url;
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const PERMISSION_EMOJI: &str = "⚠️";
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/// Tri-state value for storing permission state
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#[derive(PartialEq, Debug, Clone, Copy, Deserialize)]
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pub enum PermissionState {
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Granted = 0,
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Prompt = 1,
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Denied = 2,
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}
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impl PermissionState {
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/// Check the permission state.
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fn check(self, msg: &str, flag_name: &str) -> Result<(), OpError> {
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if self == PermissionState::Granted {
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log_perm_access(msg);
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return Ok(());
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}
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let m = format!("{}, run again with the {} flag", msg, flag_name);
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Err(OpError::permission_denied(m))
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}
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/// Check that the permissions represented by `other` don't escalate ours.
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fn check_fork(self, other: &Self) -> Result<(), OpError> {
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if self == PermissionState::Denied && other != &PermissionState::Denied
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|| self == PermissionState::Prompt && other == &PermissionState::Granted
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{
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return Err(OpError::permission_escalation_error());
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}
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Ok(())
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}
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}
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impl From<usize> for PermissionState {
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fn from(val: usize) -> Self {
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match val {
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0 => PermissionState::Granted,
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1 => PermissionState::Prompt,
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2 => PermissionState::Denied,
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_ => unreachable!(),
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}
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}
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}
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impl From<bool> for PermissionState {
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fn from(val: bool) -> Self {
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if val {
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PermissionState::Granted
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} else {
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PermissionState::Prompt
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}
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}
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}
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impl fmt::Display for PermissionState {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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PermissionState::Granted => f.pad("granted"),
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PermissionState::Prompt => f.pad("prompt"),
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PermissionState::Denied => f.pad("denied"),
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}
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}
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}
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impl Default for PermissionState {
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fn default() -> Self {
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PermissionState::Prompt
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}
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}
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#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
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pub struct UnaryPermission<T: Eq + Hash> {
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pub global_state: PermissionState,
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pub granted_list: HashSet<T>,
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pub denied_list: HashSet<T>,
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}
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impl<T: Eq + Hash> UnaryPermission<T> {
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/// Check that the permissions represented by `other` don't escalate ours.
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fn check_fork(&self, other: &Self) -> Result<(), OpError> {
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self.global_state.check_fork(&other.global_state)?;
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if !self.granted_list.is_superset(&other.granted_list) {
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return Err(OpError::permission_escalation_error());
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}
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if !self.denied_list.is_subset(&other.denied_list) {
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return Err(OpError::permission_escalation_error());
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}
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Ok(())
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}
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}
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#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
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pub struct Permissions {
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pub read: UnaryPermission<PathBuf>,
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pub write: UnaryPermission<PathBuf>,
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pub net: UnaryPermission<String>,
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pub env: PermissionState,
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pub run: PermissionState,
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pub plugin: PermissionState,
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pub hrtime: PermissionState,
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}
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fn resolve_fs_allowlist(allowlist: &[PathBuf]) -> HashSet<PathBuf> {
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allowlist
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.iter()
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.map(|raw_path| resolve_from_cwd(Path::new(&raw_path)).unwrap())
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.collect()
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}
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impl Permissions {
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pub fn from_flags(flags: &Flags) -> Self {
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Self {
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read: UnaryPermission::<PathBuf> {
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global_state: PermissionState::from(flags.allow_read),
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granted_list: resolve_fs_allowlist(&flags.read_allowlist),
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..Default::default()
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},
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write: UnaryPermission::<PathBuf> {
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global_state: PermissionState::from(flags.allow_write),
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granted_list: resolve_fs_allowlist(&flags.write_allowlist),
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..Default::default()
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},
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net: UnaryPermission::<String> {
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global_state: PermissionState::from(flags.allow_net),
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granted_list: flags.net_allowlist.iter().cloned().collect(),
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..Default::default()
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},
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env: PermissionState::from(flags.allow_env),
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run: PermissionState::from(flags.allow_run),
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plugin: PermissionState::from(flags.allow_plugin),
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hrtime: PermissionState::from(flags.allow_hrtime),
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}
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}
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/// Arbitrary helper. Resolves the path from CWD, and also gets a path that
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/// can be displayed without leaking the CWD when not allowed.
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fn resolved_and_display_path(&self, path: &Path) -> (PathBuf, PathBuf) {
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let resolved_path = resolve_from_cwd(path).unwrap();
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let display_path = if path.is_absolute() {
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path.to_path_buf()
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} else {
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match self
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.query_read(&Some(¤t_dir().unwrap()))
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.check("", "")
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{
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Ok(_) => resolved_path.clone(),
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Err(_) => path.to_path_buf(),
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}
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};
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(resolved_path, display_path)
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}
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pub fn allow_all() -> Self {
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Self {
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read: UnaryPermission {
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global_state: PermissionState::Granted,
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..Default::default()
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},
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write: UnaryPermission {
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global_state: PermissionState::Granted,
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..Default::default()
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},
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net: UnaryPermission {
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global_state: PermissionState::Granted,
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..Default::default()
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},
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env: PermissionState::Granted,
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run: PermissionState::Granted,
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plugin: PermissionState::Granted,
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hrtime: PermissionState::Granted,
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}
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}
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pub fn query_read(&self, path: &Option<&Path>) -> PermissionState {
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let path = path.map(|p| resolve_from_cwd(p).unwrap());
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if self.read.global_state == PermissionState::Denied
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&& match path.as_ref() {
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None => true,
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Some(path) => check_path_blocklist(path, &self.read.denied_list),
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}
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{
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return PermissionState::Denied;
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}
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if self.read.global_state == PermissionState::Granted
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|| match path.as_ref() {
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None => false,
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Some(path) => check_path_allowlist(path, &self.read.granted_list),
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}
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{
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return PermissionState::Granted;
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}
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PermissionState::Prompt
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}
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pub fn query_write(&self, path: &Option<&Path>) -> PermissionState {
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let path = path.map(|p| resolve_from_cwd(p).unwrap());
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if self.write.global_state == PermissionState::Denied
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&& match path.as_ref() {
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None => true,
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Some(path) => check_path_blocklist(path, &self.write.denied_list),
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}
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{
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return PermissionState::Denied;
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}
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if self.write.global_state == PermissionState::Granted
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|| match path.as_ref() {
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None => false,
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Some(path) => check_path_allowlist(path, &self.write.granted_list),
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}
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{
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return PermissionState::Granted;
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}
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PermissionState::Prompt
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}
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pub fn query_net(&self, host: &str, port: Option<u16>) -> PermissionState {
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if self.net.global_state == PermissionState::Denied
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|| check_host_and_port_list(host, port, &self.net.denied_list)
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{
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return PermissionState::Denied;
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}
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if self.net.global_state == PermissionState::Granted
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|| check_host_and_port_list(host, port, &self.net.granted_list)
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{
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return PermissionState::Granted;
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}
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PermissionState::Prompt
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}
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pub fn query_net_url(
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&self,
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url: &Option<&str>,
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) -> Result<PermissionState, OpError> {
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if url.is_none() {
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return Ok(self.net.global_state);
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}
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let url: &str = url.unwrap();
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// If url is invalid, then throw a TypeError.
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let parsed = Url::parse(url).map_err(OpError::from)?;
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// The url may be parsed correctly but still lack a host, i.e. "localhost:235" or "mailto:someone@somewhere.com" or "file:/1.txt"
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// Note that host:port combos are parsed as scheme:path
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if parsed.host().is_none() {
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return Err(OpError::uri_error(
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"invalid url, expected format: <scheme>://<host>[:port][/subpath]"
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.to_owned(),
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));
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}
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Ok(self.query_net(
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&format!("{}", parsed.host().unwrap()),
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parsed.port_or_known_default(),
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))
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}
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pub fn query_env(&self) -> PermissionState {
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self.env
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}
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pub fn query_run(&self) -> PermissionState {
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self.run
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}
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pub fn query_plugin(&self) -> PermissionState {
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self.plugin
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}
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pub fn query_hrtime(&self) -> PermissionState {
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self.hrtime
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}
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pub fn request_read(&mut self, path: &Option<&Path>) -> PermissionState {
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if let Some(path) = path {
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let (resolved_path, display_path) = self.resolved_and_display_path(path);
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let state = self.query_read(&Some(&resolved_path));
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if state == PermissionState::Prompt {
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if permission_prompt(&format!(
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"Deno requests read access to \"{}\"",
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display_path.display()
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)) {
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self
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.read
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.granted_list
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.retain(|path| !path.starts_with(&resolved_path));
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self.read.granted_list.insert(resolved_path);
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return PermissionState::Granted;
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} else {
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self
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.read
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.denied_list
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.retain(|path| !resolved_path.starts_with(path));
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self.read.denied_list.insert(resolved_path);
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self.read.global_state = PermissionState::Denied;
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return PermissionState::Denied;
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}
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}
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state
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} else {
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let state = self.query_read(&None);
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if state == PermissionState::Prompt {
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if permission_prompt("Deno requests read access") {
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self.read.granted_list.clear();
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self.read.global_state = PermissionState::Granted;
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return PermissionState::Granted;
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} else {
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self.read.global_state = PermissionState::Denied;
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return PermissionState::Denied;
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}
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}
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state
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}
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}
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pub fn request_write(&mut self, path: &Option<&Path>) -> PermissionState {
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if let Some(path) = path {
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let (resolved_path, display_path) = self.resolved_and_display_path(path);
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let state = self.query_write(&Some(&resolved_path));
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if state == PermissionState::Prompt {
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if permission_prompt(&format!(
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"Deno requests write access to \"{}\"",
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display_path.display()
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)) {
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self
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.write
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.granted_list
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.retain(|path| !path.starts_with(&resolved_path));
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self.write.granted_list.insert(resolved_path);
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return PermissionState::Granted;
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} else {
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self
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.write
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.denied_list
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.retain(|path| !resolved_path.starts_with(path));
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self.write.denied_list.insert(resolved_path);
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self.write.global_state = PermissionState::Denied;
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return PermissionState::Denied;
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}
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}
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state
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} else {
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let state = self.query_write(&None);
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if state == PermissionState::Prompt {
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if permission_prompt("Deno requests write access") {
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self.write.granted_list.clear();
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self.write.global_state = PermissionState::Granted;
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return PermissionState::Granted;
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} else {
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self.write.global_state = PermissionState::Denied;
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return PermissionState::Denied;
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}
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}
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state
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}
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}
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pub fn request_net(
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&mut self,
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url: &Option<&str>,
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) -> Result<PermissionState, OpError> {
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if let Some(url) = url {
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let state = self.query_net_url(&Some(url))?;
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if state == PermissionState::Prompt {
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if permission_prompt(&format!(
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"Deno requests network access to \"{}\"",
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url
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)) {
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self.net.granted_list.insert(url.to_string());
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return Ok(PermissionState::Granted);
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} else {
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self.net.denied_list.insert(url.to_string());
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self.net.global_state = PermissionState::Denied;
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return Ok(PermissionState::Denied);
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}
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}
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Ok(state)
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} else {
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let state = self.query_net_url(&None)?;
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if state == PermissionState::Prompt {
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if permission_prompt("Deno requests network access") {
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self.net.granted_list.clear();
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self.net.global_state = PermissionState::Granted;
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return Ok(PermissionState::Granted);
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} else {
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self.net.global_state = PermissionState::Denied;
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return Ok(PermissionState::Denied);
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}
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}
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Ok(state)
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}
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}
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pub fn request_env(&mut self) -> PermissionState {
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if self.env == PermissionState::Prompt {
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if permission_prompt("Deno requests access to environment variables") {
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self.env = PermissionState::Granted;
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} else {
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self.env = PermissionState::Denied;
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}
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}
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self.env
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}
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pub fn request_run(&mut self) -> PermissionState {
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if self.run == PermissionState::Prompt {
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if permission_prompt("Deno requests to access to run a subprocess") {
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self.run = PermissionState::Granted;
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} else {
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self.run = PermissionState::Denied;
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}
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}
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self.run
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}
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pub fn request_plugin(&mut self) -> PermissionState {
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if self.plugin == PermissionState::Prompt {
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if permission_prompt("Deno requests to open plugins") {
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self.plugin = PermissionState::Granted;
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} else {
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self.plugin = PermissionState::Denied;
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}
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}
|
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self.plugin
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}
|
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pub fn request_hrtime(&mut self) -> PermissionState {
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if self.hrtime == PermissionState::Prompt {
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if permission_prompt("Deno requests access to high precision time") {
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self.hrtime = PermissionState::Granted;
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} else {
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self.hrtime = PermissionState::Denied;
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}
|
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}
|
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self.hrtime
|
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}
|
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pub fn revoke_read(&mut self, path: &Option<&Path>) -> PermissionState {
|
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if let Some(path) = path {
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let path = resolve_from_cwd(path).unwrap();
|
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self
|
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.read
|
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.granted_list
|
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.retain(|path_| !path_.starts_with(&path));
|
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} else {
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self.read.granted_list.clear();
|
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if self.read.global_state == PermissionState::Granted {
|
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self.read.global_state = PermissionState::Prompt;
|
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}
|
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}
|
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self.query_read(path)
|
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}
|
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|
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pub fn revoke_write(&mut self, path: &Option<&Path>) -> PermissionState {
|
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if let Some(path) = path {
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let path = resolve_from_cwd(path).unwrap();
|
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self
|
||
.write
|
||
.granted_list
|
||
.retain(|path_| !path_.starts_with(&path));
|
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} else {
|
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self.write.granted_list.clear();
|
||
if self.write.global_state == PermissionState::Granted {
|
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self.write.global_state = PermissionState::Prompt;
|
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}
|
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}
|
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self.query_write(path)
|
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}
|
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|
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pub fn revoke_net(
|
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&mut self,
|
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url: &Option<&str>,
|
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) -> Result<PermissionState, OpError> {
|
||
if let Some(url) = url {
|
||
self.net.granted_list.remove(*url);
|
||
} else {
|
||
self.net.granted_list.clear();
|
||
if self.net.global_state == PermissionState::Granted {
|
||
self.net.global_state = PermissionState::Prompt;
|
||
}
|
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}
|
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self.query_net_url(url)
|
||
}
|
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|
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pub fn revoke_env(&mut self) -> PermissionState {
|
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if self.env == PermissionState::Granted {
|
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self.env = PermissionState::Prompt;
|
||
}
|
||
self.env
|
||
}
|
||
|
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pub fn revoke_run(&mut self) -> PermissionState {
|
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if self.run == PermissionState::Granted {
|
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self.run = PermissionState::Prompt;
|
||
}
|
||
self.run
|
||
}
|
||
|
||
pub fn revoke_plugin(&mut self) -> PermissionState {
|
||
if self.plugin == PermissionState::Granted {
|
||
self.plugin = PermissionState::Prompt;
|
||
}
|
||
self.plugin
|
||
}
|
||
|
||
pub fn revoke_hrtime(&mut self) -> PermissionState {
|
||
if self.hrtime == PermissionState::Granted {
|
||
self.hrtime = PermissionState::Prompt;
|
||
}
|
||
self.hrtime
|
||
}
|
||
|
||
pub fn check_read(&self, path: &Path) -> Result<(), OpError> {
|
||
let (resolved_path, display_path) = self.resolved_and_display_path(path);
|
||
self.query_read(&Some(&resolved_path)).check(
|
||
&format!("read access to \"{}\"", display_path.display()),
|
||
"--allow-read",
|
||
)
|
||
}
|
||
|
||
/// As `check_read()`, but permission error messages will anonymize the path
|
||
/// by replacing it with the given `display`.
|
||
pub fn check_read_blind(
|
||
&self,
|
||
path: &Path,
|
||
display: &str,
|
||
) -> Result<(), OpError> {
|
||
let resolved_path = resolve_from_cwd(path).unwrap();
|
||
self
|
||
.query_read(&Some(&resolved_path))
|
||
.check(&format!("read access to <{}>", display), "--allow-read")
|
||
}
|
||
|
||
pub fn check_write(&self, path: &Path) -> Result<(), OpError> {
|
||
let (resolved_path, display_path) = self.resolved_and_display_path(path);
|
||
self.query_write(&Some(&resolved_path)).check(
|
||
&format!("write access to \"{}\"", display_path.display()),
|
||
"--allow-write",
|
||
)
|
||
}
|
||
|
||
pub fn check_net(&self, hostname: &str, port: u16) -> Result<(), OpError> {
|
||
self.query_net(hostname, Some(port)).check(
|
||
&format!("network access to \"{}:{}\"", hostname, port),
|
||
"--allow-net",
|
||
)
|
||
}
|
||
|
||
pub fn check_net_url(&self, url: &url::Url) -> Result<(), OpError> {
|
||
let host = url
|
||
.host_str()
|
||
.ok_or_else(|| OpError::uri_error("missing host".to_owned()))?;
|
||
self
|
||
.query_net(host, url.port_or_known_default())
|
||
.check(&format!("network access to \"{}\"", url), "--allow-net")
|
||
}
|
||
|
||
pub fn check_env(&self) -> Result<(), OpError> {
|
||
self
|
||
.env
|
||
.check("access to environment variables", "--allow-env")
|
||
}
|
||
|
||
pub fn check_run(&self) -> Result<(), OpError> {
|
||
self.run.check("access to run a subprocess", "--allow-run")
|
||
}
|
||
|
||
pub fn check_plugin(&self, path: &Path) -> Result<(), OpError> {
|
||
let (_, display_path) = self.resolved_and_display_path(path);
|
||
self.plugin.check(
|
||
&format!("access to open a plugin: {}", display_path.display()),
|
||
"--allow-plugin",
|
||
)
|
||
}
|
||
|
||
pub fn check_hrtime(&self) -> Result<(), OpError> {
|
||
self
|
||
.hrtime
|
||
.check("access to high precision time", "--allow-run")
|
||
}
|
||
|
||
#[allow(clippy::too_many_arguments)]
|
||
pub fn fork(
|
||
&self,
|
||
read: UnaryPermission<PathBuf>,
|
||
write: UnaryPermission<PathBuf>,
|
||
net: UnaryPermission<String>,
|
||
env: PermissionState,
|
||
run: PermissionState,
|
||
plugin: PermissionState,
|
||
hrtime: PermissionState,
|
||
) -> Result<Permissions, OpError> {
|
||
self.read.check_fork(&read)?;
|
||
self.write.check_fork(&write)?;
|
||
self.net.check_fork(&net)?;
|
||
self.env.check_fork(&env)?;
|
||
self.run.check_fork(&run)?;
|
||
self.plugin.check_fork(&plugin)?;
|
||
self.hrtime.check_fork(&hrtime)?;
|
||
Ok(Permissions {
|
||
read,
|
||
write,
|
||
net,
|
||
env,
|
||
run,
|
||
plugin,
|
||
hrtime,
|
||
})
|
||
}
|
||
}
|
||
|
||
/// Shows the permission prompt and returns the answer according to the user input.
|
||
/// This loops until the user gives the proper input.
|
||
#[cfg(not(test))]
|
||
fn permission_prompt(message: &str) -> bool {
|
||
if !atty::is(atty::Stream::Stdin) || !atty::is(atty::Stream::Stderr) {
|
||
return false;
|
||
};
|
||
let msg = format!(
|
||
"️{} {}. Grant? [g/d (g = grant, d = deny)] ",
|
||
PERMISSION_EMOJI, message
|
||
);
|
||
// print to stderr so that if deno is > to a file this is still displayed.
|
||
eprint!("{}", colors::bold(&msg));
|
||
loop {
|
||
let mut input = String::new();
|
||
let stdin = io::stdin();
|
||
let result = stdin.read_line(&mut input);
|
||
if result.is_err() {
|
||
return false;
|
||
};
|
||
let ch = input.chars().next().unwrap();
|
||
match ch.to_ascii_lowercase() {
|
||
'g' => return true,
|
||
'd' => return false,
|
||
_ => {
|
||
// If we don't get a recognized option try again.
|
||
let msg_again =
|
||
format!("Unrecognized option '{}' [g/d (g = grant, d = deny)] ", ch);
|
||
eprint!("{}", colors::bold(&msg_again));
|
||
}
|
||
};
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
lazy_static! {
|
||
/// Lock this when you use `set_prompt_result` in a test case.
|
||
static ref PERMISSION_PROMPT_GUARD: Mutex<()> = Mutex::new(());
|
||
}
|
||
|
||
#[cfg(test)]
|
||
static STUB_PROMPT_VALUE: AtomicBool = AtomicBool::new(true);
|
||
|
||
#[cfg(test)]
|
||
fn set_prompt_result(value: bool) {
|
||
STUB_PROMPT_VALUE.store(value, Ordering::SeqCst);
|
||
}
|
||
|
||
// When testing, permission prompt returns the value of STUB_PROMPT_VALUE
|
||
// which we set from the test functions.
|
||
#[cfg(test)]
|
||
fn permission_prompt(_message: &str) -> bool {
|
||
STUB_PROMPT_VALUE.load(Ordering::SeqCst)
|
||
}
|
||
|
||
fn log_perm_access(message: &str) {
|
||
debug!(
|
||
"{}",
|
||
colors::bold(&format!("{}️ Granted {}", PERMISSION_EMOJI, message))
|
||
);
|
||
}
|
||
|
||
fn check_path_allowlist(path: &Path, allowlist: &HashSet<PathBuf>) -> bool {
|
||
for path_ in allowlist {
|
||
if path.starts_with(path_) {
|
||
return true;
|
||
}
|
||
}
|
||
false
|
||
}
|
||
|
||
fn check_path_blocklist(path: &Path, blocklist: &HashSet<PathBuf>) -> bool {
|
||
for path_ in blocklist {
|
||
if path_.starts_with(path) {
|
||
return true;
|
||
}
|
||
}
|
||
false
|
||
}
|
||
|
||
fn check_host_and_port_list(
|
||
host: &str,
|
||
port: Option<u16>,
|
||
allowlist: &HashSet<String>,
|
||
) -> bool {
|
||
allowlist.contains(host)
|
||
|| (port.is_some()
|
||
&& allowlist.contains(&format!("{}:{}", host, port.unwrap())))
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
|
||
// Creates vector of strings, Vec<String>
|
||
macro_rules! svec {
|
||
($($x:expr),*) => (vec![$($x.to_string()),*]);
|
||
}
|
||
|
||
#[test]
|
||
fn check_paths() {
|
||
let allowlist = vec![
|
||
PathBuf::from("/a/specific/dir/name"),
|
||
PathBuf::from("/a/specific"),
|
||
PathBuf::from("/b/c"),
|
||
];
|
||
|
||
let perms = Permissions::from_flags(&Flags {
|
||
read_allowlist: allowlist.clone(),
|
||
write_allowlist: allowlist,
|
||
..Default::default()
|
||
});
|
||
|
||
// Inside of /a/specific and /a/specific/dir/name
|
||
assert!(perms.check_read(Path::new("/a/specific/dir/name")).is_ok());
|
||
assert!(perms.check_write(Path::new("/a/specific/dir/name")).is_ok());
|
||
|
||
// Inside of /a/specific but outside of /a/specific/dir/name
|
||
assert!(perms.check_read(Path::new("/a/specific/dir")).is_ok());
|
||
assert!(perms.check_write(Path::new("/a/specific/dir")).is_ok());
|
||
|
||
// Inside of /a/specific and /a/specific/dir/name
|
||
assert!(perms
|
||
.check_read(Path::new("/a/specific/dir/name/inner"))
|
||
.is_ok());
|
||
assert!(perms
|
||
.check_write(Path::new("/a/specific/dir/name/inner"))
|
||
.is_ok());
|
||
|
||
// Inside of /a/specific but outside of /a/specific/dir/name
|
||
assert!(perms.check_read(Path::new("/a/specific/other/dir")).is_ok());
|
||
assert!(perms
|
||
.check_write(Path::new("/a/specific/other/dir"))
|
||
.is_ok());
|
||
|
||
// Exact match with /b/c
|
||
assert!(perms.check_read(Path::new("/b/c")).is_ok());
|
||
assert!(perms.check_write(Path::new("/b/c")).is_ok());
|
||
|
||
// Sub path within /b/c
|
||
assert!(perms.check_read(Path::new("/b/c/sub/path")).is_ok());
|
||
assert!(perms.check_write(Path::new("/b/c/sub/path")).is_ok());
|
||
|
||
// Sub path within /b/c, needs normalizing
|
||
assert!(perms
|
||
.check_read(Path::new("/b/c/sub/path/../path/."))
|
||
.is_ok());
|
||
assert!(perms
|
||
.check_write(Path::new("/b/c/sub/path/../path/."))
|
||
.is_ok());
|
||
|
||
// Inside of /b but outside of /b/c
|
||
assert!(perms.check_read(Path::new("/b/e")).is_err());
|
||
assert!(perms.check_write(Path::new("/b/e")).is_err());
|
||
|
||
// Inside of /a but outside of /a/specific
|
||
assert!(perms.check_read(Path::new("/a/b")).is_err());
|
||
assert!(perms.check_write(Path::new("/a/b")).is_err());
|
||
}
|
||
|
||
#[test]
|
||
fn test_check_net() {
|
||
let perms = Permissions::from_flags(&Flags {
|
||
net_allowlist: svec![
|
||
"localhost",
|
||
"deno.land",
|
||
"github.com:3000",
|
||
"127.0.0.1",
|
||
"172.16.0.2:8000",
|
||
"www.github.com:443"
|
||
],
|
||
..Default::default()
|
||
});
|
||
|
||
let domain_tests = vec![
|
||
("localhost", 1234, true),
|
||
("deno.land", 0, true),
|
||
("deno.land", 3000, true),
|
||
("deno.lands", 0, false),
|
||
("deno.lands", 3000, false),
|
||
("github.com", 3000, true),
|
||
("github.com", 0, false),
|
||
("github.com", 2000, false),
|
||
("github.net", 3000, false),
|
||
("127.0.0.1", 0, true),
|
||
("127.0.0.1", 3000, true),
|
||
("127.0.0.2", 0, false),
|
||
("127.0.0.2", 3000, false),
|
||
("172.16.0.2", 8000, true),
|
||
("172.16.0.2", 0, false),
|
||
("172.16.0.2", 6000, false),
|
||
("172.16.0.1", 8000, false),
|
||
// Just some random hosts that should err
|
||
("somedomain", 0, false),
|
||
("192.168.0.1", 0, false),
|
||
];
|
||
|
||
let url_tests = vec![
|
||
// Any protocol + port for localhost should be ok, since we don't specify
|
||
("http://localhost", true),
|
||
("https://localhost", true),
|
||
("https://localhost:4443", true),
|
||
("tcp://localhost:5000", true),
|
||
("udp://localhost:6000", true),
|
||
// Correct domain + any port and protocol should be ok incorrect shouldn't
|
||
("https://deno.land/std/example/welcome.ts", true),
|
||
("https://deno.land:3000/std/example/welcome.ts", true),
|
||
("https://deno.lands/std/example/welcome.ts", false),
|
||
("https://deno.lands:3000/std/example/welcome.ts", false),
|
||
// Correct domain + port should be ok all other combinations should err
|
||
("https://github.com:3000/denoland/deno", true),
|
||
("https://github.com/denoland/deno", false),
|
||
("https://github.com:2000/denoland/deno", false),
|
||
("https://github.net:3000/denoland/deno", false),
|
||
// Correct ipv4 address + any port should be ok others should err
|
||
("tcp://127.0.0.1", true),
|
||
("https://127.0.0.1", true),
|
||
("tcp://127.0.0.1:3000", true),
|
||
("https://127.0.0.1:3000", true),
|
||
("tcp://127.0.0.2", false),
|
||
("https://127.0.0.2", false),
|
||
("tcp://127.0.0.2:3000", false),
|
||
("https://127.0.0.2:3000", false),
|
||
// Correct address + port should be ok all other combinations should err
|
||
("tcp://172.16.0.2:8000", true),
|
||
("https://172.16.0.2:8000", true),
|
||
("tcp://172.16.0.2", false),
|
||
("https://172.16.0.2", false),
|
||
("tcp://172.16.0.2:6000", false),
|
||
("https://172.16.0.2:6000", false),
|
||
("tcp://172.16.0.1:8000", false),
|
||
("https://172.16.0.1:8000", false),
|
||
// Testing issue #6531 (Network permissions check doesn't account for well-known default ports) so we dont regress
|
||
("https://www.github.com:443/robots.txt", true),
|
||
];
|
||
|
||
for (url_str, is_ok) in url_tests.iter() {
|
||
let u = url::Url::parse(url_str).unwrap();
|
||
assert_eq!(*is_ok, perms.check_net_url(&u).is_ok());
|
||
}
|
||
|
||
for (host, port, is_ok) in domain_tests.iter() {
|
||
assert_eq!(*is_ok, perms.check_net(host, *port).is_ok());
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_deserialize_perms() {
|
||
let json_perms = r#"
|
||
{
|
||
"read": {
|
||
"global_state": "Granted",
|
||
"granted_list": [],
|
||
"denied_list": []
|
||
},
|
||
"write": {
|
||
"global_state": "Granted",
|
||
"granted_list": [],
|
||
"denied_list": []
|
||
},
|
||
"net": {
|
||
"global_state": "Granted",
|
||
"granted_list": [],
|
||
"denied_list": []
|
||
},
|
||
"env": "Granted",
|
||
"run": "Granted",
|
||
"plugin": "Granted",
|
||
"hrtime": "Granted"
|
||
}
|
||
"#;
|
||
let perms0 = Permissions {
|
||
read: UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
write: UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
net: UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
env: PermissionState::Granted,
|
||
run: PermissionState::Granted,
|
||
hrtime: PermissionState::Granted,
|
||
plugin: PermissionState::Granted,
|
||
};
|
||
let deserialized_perms: Permissions =
|
||
serde_json::from_str(json_perms).unwrap();
|
||
assert_eq!(perms0, deserialized_perms);
|
||
}
|
||
|
||
#[test]
|
||
fn test_fork() {
|
||
let perms0 = Permissions::from_flags(&Flags::default());
|
||
perms0
|
||
.fork(
|
||
UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
..Default::default()
|
||
},
|
||
UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
..Default::default()
|
||
},
|
||
UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
..Default::default()
|
||
},
|
||
PermissionState::Prompt,
|
||
PermissionState::Prompt,
|
||
PermissionState::Denied,
|
||
PermissionState::Denied,
|
||
)
|
||
.expect("Fork should succeed.");
|
||
perms0
|
||
.fork(
|
||
UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
PermissionState::Granted,
|
||
PermissionState::Granted,
|
||
PermissionState::Denied,
|
||
PermissionState::Denied,
|
||
)
|
||
.expect_err("Fork should fail.");
|
||
}
|
||
|
||
#[test]
|
||
fn test_query() {
|
||
let perms1 = Permissions {
|
||
read: UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
write: UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
net: UnaryPermission {
|
||
global_state: PermissionState::Granted,
|
||
..Default::default()
|
||
},
|
||
env: PermissionState::Granted,
|
||
run: PermissionState::Granted,
|
||
plugin: PermissionState::Granted,
|
||
hrtime: PermissionState::Granted,
|
||
};
|
||
let perms2 = Permissions {
|
||
read: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
granted_list: resolve_fs_allowlist(&[PathBuf::from("/foo")]),
|
||
..Default::default()
|
||
},
|
||
write: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
granted_list: resolve_fs_allowlist(&[PathBuf::from("/foo")]),
|
||
..Default::default()
|
||
},
|
||
net: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
granted_list: ["127.0.0.1:8000".to_string()].iter().cloned().collect(),
|
||
..Default::default()
|
||
},
|
||
env: PermissionState::Prompt,
|
||
run: PermissionState::Prompt,
|
||
plugin: PermissionState::Prompt,
|
||
hrtime: PermissionState::Prompt,
|
||
};
|
||
#[rustfmt::skip]
|
||
{
|
||
assert_eq!(perms1.query_read(&None), PermissionState::Granted);
|
||
assert_eq!(perms1.query_read(&Some(&Path::new("/foo"))), PermissionState::Granted);
|
||
assert_eq!(perms2.query_read(&None), PermissionState::Prompt);
|
||
assert_eq!(perms2.query_read(&Some(&Path::new("/foo"))), PermissionState::Granted);
|
||
assert_eq!(perms2.query_read(&Some(&Path::new("/foo/bar"))), PermissionState::Granted);
|
||
assert_eq!(perms1.query_write(&None), PermissionState::Granted);
|
||
assert_eq!(perms1.query_write(&Some(&Path::new("/foo"))), PermissionState::Granted);
|
||
assert_eq!(perms2.query_write(&None), PermissionState::Prompt);
|
||
assert_eq!(perms2.query_write(&Some(&Path::new("/foo"))), PermissionState::Granted);
|
||
assert_eq!(perms2.query_write(&Some(&Path::new("/foo/bar"))), PermissionState::Granted);
|
||
assert_eq!(perms1.query_net_url(&None).unwrap(), PermissionState::Granted);
|
||
assert_eq!(perms1.query_net_url(&Some("http://127.0.0.1:8000")).unwrap(), PermissionState::Granted);
|
||
assert_eq!(perms2.query_net_url(&None).unwrap(), PermissionState::Prompt);
|
||
assert_eq!(perms2.query_net_url(&Some("http://127.0.0.1:8000")).unwrap(), PermissionState::Granted);
|
||
assert_eq!(perms1.query_env(), PermissionState::Granted);
|
||
assert_eq!(perms2.query_env(), PermissionState::Prompt);
|
||
assert_eq!(perms1.query_run(), PermissionState::Granted);
|
||
assert_eq!(perms2.query_run(), PermissionState::Prompt);
|
||
assert_eq!(perms1.query_plugin(), PermissionState::Granted);
|
||
assert_eq!(perms2.query_plugin(), PermissionState::Prompt);
|
||
assert_eq!(perms1.query_hrtime(), PermissionState::Granted);
|
||
assert_eq!(perms2.query_hrtime(), PermissionState::Prompt);
|
||
};
|
||
}
|
||
|
||
#[test]
|
||
fn test_request() {
|
||
let mut perms = Permissions {
|
||
read: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
..Default::default()
|
||
},
|
||
write: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
..Default::default()
|
||
},
|
||
net: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
..Default::default()
|
||
},
|
||
env: PermissionState::Prompt,
|
||
run: PermissionState::Prompt,
|
||
plugin: PermissionState::Prompt,
|
||
hrtime: PermissionState::Prompt,
|
||
};
|
||
#[rustfmt::skip]
|
||
{
|
||
let _guard = PERMISSION_PROMPT_GUARD.lock().unwrap();
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_read(&Some(&Path::new("/foo"))), PermissionState::Granted);
|
||
assert_eq!(perms.query_read(&None), PermissionState::Prompt);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_read(&Some(&Path::new("/foo/bar"))), PermissionState::Granted);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_write(&Some(&Path::new("/foo"))), PermissionState::Denied);
|
||
assert_eq!(perms.query_write(&Some(&Path::new("/foo/bar"))), PermissionState::Prompt);
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_write(&None), PermissionState::Denied);
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_net(&None).unwrap(), PermissionState::Granted);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_net(&Some("http://127.0.0.1:8000")).unwrap(), PermissionState::Granted);
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_env(), PermissionState::Granted);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_env(), PermissionState::Granted);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_run(), PermissionState::Denied);
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_run(), PermissionState::Denied);
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_plugin(), PermissionState::Granted);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_plugin(), PermissionState::Granted);
|
||
set_prompt_result(false);
|
||
assert_eq!(perms.request_hrtime(), PermissionState::Denied);
|
||
set_prompt_result(true);
|
||
assert_eq!(perms.request_hrtime(), PermissionState::Denied);
|
||
};
|
||
}
|
||
|
||
#[test]
|
||
fn test_revoke() {
|
||
let mut perms = Permissions {
|
||
read: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
granted_list: resolve_fs_allowlist(&[PathBuf::from("/foo")]),
|
||
..Default::default()
|
||
},
|
||
write: UnaryPermission {
|
||
global_state: PermissionState::Prompt,
|
||
granted_list: resolve_fs_allowlist(&[PathBuf::from("/foo")]),
|
||
..Default::default()
|
||
},
|
||
net: UnaryPermission {
|
||
global_state: PermissionState::Denied,
|
||
..Default::default()
|
||
},
|
||
env: PermissionState::Granted,
|
||
run: PermissionState::Granted,
|
||
plugin: PermissionState::Prompt,
|
||
hrtime: PermissionState::Denied,
|
||
};
|
||
#[rustfmt::skip]
|
||
{
|
||
assert_eq!(perms.revoke_read(&Some(&Path::new("/foo/bar"))), PermissionState::Granted);
|
||
assert_eq!(perms.revoke_read(&Some(&Path::new("/foo"))), PermissionState::Prompt);
|
||
assert_eq!(perms.query_read(&Some(&Path::new("/foo/bar"))), PermissionState::Prompt);
|
||
assert_eq!(perms.revoke_write(&Some(&Path::new("/foo/bar"))), PermissionState::Granted);
|
||
assert_eq!(perms.revoke_write(&None), PermissionState::Prompt);
|
||
assert_eq!(perms.query_write(&Some(&Path::new("/foo/bar"))), PermissionState::Prompt);
|
||
assert_eq!(perms.revoke_net(&None).unwrap(), PermissionState::Denied);
|
||
assert_eq!(perms.revoke_env(), PermissionState::Prompt);
|
||
assert_eq!(perms.revoke_run(), PermissionState::Prompt);
|
||
assert_eq!(perms.revoke_plugin(), PermissionState::Prompt);
|
||
assert_eq!(perms.revoke_hrtime(), PermissionState::Denied);
|
||
};
|
||
}
|
||
}
|