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denoland-deno/runtime/permissions.rs

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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use crate::colors;
use crate::fs_util::resolve_from_cwd;
use deno_core::error::custom_error;
use deno_core::error::uri_error;
use deno_core::error::AnyError;
use deno_core::serde::Deserialize;
use deno_core::serde::Serialize;
use deno_core::url;
use deno_core::ModuleSpecifier;
use std::collections::HashSet;
use std::env::current_dir;
use std::fmt;
use std::hash::Hash;
#[cfg(not(test))]
use std::io;
use std::path::{Path, PathBuf};
#[cfg(test)]
use std::sync::atomic::AtomicBool;
#[cfg(test)]
use std::sync::atomic::Ordering;
#[cfg(test)]
use std::sync::Mutex;
const PERMISSION_EMOJI: &str = "⚠️";
/// Tri-state value for storing permission state
#[derive(PartialEq, Debug, Clone, Copy, Deserialize)]
pub enum PermissionState {
Granted = 0,
Prompt = 1,
Denied = 2,
}
impl PermissionState {
/// Check the permission state.
fn check(self, msg: &str, flag_name: &str) -> Result<(), AnyError> {
if self == PermissionState::Granted {
log_perm_access(msg);
return Ok(());
}
let message = format!("{}, run again with the {} flag", msg, flag_name);
Err(custom_error("PermissionDenied", message))
}
}
impl fmt::Display for PermissionState {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
PermissionState::Granted => f.pad("granted"),
PermissionState::Prompt => f.pad("prompt"),
PermissionState::Denied => f.pad("denied"),
}
}
}
impl Default for PermissionState {
fn default() -> Self {
PermissionState::Prompt
}
}
#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
pub struct UnaryPermission<T: Eq + Hash> {
pub global_state: PermissionState,
pub granted_list: HashSet<T>,
pub denied_list: HashSet<T>,
}
#[derive(Clone, Debug, Default, PartialEq)]
pub struct Permissions {
pub read: UnaryPermission<PathBuf>,
pub write: UnaryPermission<PathBuf>,
pub net: UnaryPermission<String>,
pub env: PermissionState,
pub run: PermissionState,
pub plugin: PermissionState,
pub hrtime: PermissionState,
}
pub fn resolve_fs_allowlist(allow: &Option<Vec<PathBuf>>) -> HashSet<PathBuf> {
if let Some(v) = allow {
v.iter()
.map(|raw_path| resolve_from_cwd(Path::new(&raw_path)).unwrap())
.collect()
} else {
HashSet::new()
}
}
#[derive(Clone, Debug, PartialEq, Default, Serialize, Deserialize)]
pub struct PermissionsOptions {
pub allow_env: bool,
pub allow_hrtime: bool,
pub allow_net: Option<Vec<String>>,
pub allow_plugin: bool,
pub allow_read: Option<Vec<PathBuf>>,
pub allow_run: bool,
pub allow_write: Option<Vec<PathBuf>>,
}
impl Permissions {
pub fn from_options(opts: &PermissionsOptions) -> Self {
fn global_state_from_flag_bool(flag: bool) -> PermissionState {
if flag {
PermissionState::Granted
} else {
PermissionState::Prompt
}
}
fn global_state_from_option<T>(flag: &Option<Vec<T>>) -> PermissionState {
if matches!(flag, Some(v) if v.is_empty()) {
PermissionState::Granted
} else {
PermissionState::Prompt
}
}
Self {
read: UnaryPermission::<PathBuf> {
global_state: global_state_from_option(&opts.allow_read),
granted_list: resolve_fs_allowlist(&opts.allow_read),
..Default::default()
},
write: UnaryPermission::<PathBuf> {
global_state: global_state_from_option(&opts.allow_write),
granted_list: resolve_fs_allowlist(&opts.allow_write),
..Default::default()
},
net: UnaryPermission::<String> {
global_state: global_state_from_option(&opts.allow_net),
granted_list: opts
.allow_net
.as_ref()
.map(|v| v.iter().cloned().collect())
.unwrap_or_else(HashSet::new),
..Default::default()
},
env: global_state_from_flag_bool(opts.allow_env),
run: global_state_from_flag_bool(opts.allow_run),
plugin: global_state_from_flag_bool(opts.allow_plugin),
hrtime: global_state_from_flag_bool(opts.allow_hrtime),
}
}
/// Arbitrary helper. Resolves the path from CWD, and also gets a path that
/// can be displayed without leaking the CWD when not allowed.
fn resolved_and_display_path(&self, path: &Path) -> (PathBuf, PathBuf) {
let resolved_path = resolve_from_cwd(path).unwrap();
let display_path = if path.is_absolute() {
path.to_path_buf()
} else {
match self
.query_read(&Some(&current_dir().unwrap()))
.check("", "")
{
Ok(_) => resolved_path.clone(),
Err(_) => path.to_path_buf(),
}
};
(resolved_path, display_path)
}
pub fn allow_all() -> Self {
Self {
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,
}
}
pub fn query_read(&self, path: &Option<&Path>) -> PermissionState {
let path = path.map(|p| resolve_from_cwd(p).unwrap());
if self.read.global_state == PermissionState::Denied
&& match path.as_ref() {
None => true,
Some(path) => check_path_blocklist(path, &self.read.denied_list),
}
{
return PermissionState::Denied;
}
if self.read.global_state == PermissionState::Granted
|| match path.as_ref() {
None => false,
Some(path) => check_path_allowlist(path, &self.read.granted_list),
}
{
return PermissionState::Granted;
}
PermissionState::Prompt
}
pub fn query_write(&self, path: &Option<&Path>) -> PermissionState {
let path = path.map(|p| resolve_from_cwd(p).unwrap());
if self.write.global_state == PermissionState::Denied
&& match path.as_ref() {
None => true,
Some(path) => check_path_blocklist(path, &self.write.denied_list),
}
{
return PermissionState::Denied;
}
if self.write.global_state == PermissionState::Granted
|| match path.as_ref() {
None => false,
Some(path) => check_path_allowlist(path, &self.write.granted_list),
}
{
return PermissionState::Granted;
}
PermissionState::Prompt
}
pub fn query_net<T: AsRef<str>>(
&self,
host: &Option<&(T, Option<u16>)>,
) -> PermissionState {
if self.net.global_state == PermissionState::Denied
&& match host.as_ref() {
None => true,
Some(host) => check_host_blocklist(host, &self.net.denied_list),
}
{
return PermissionState::Denied;
}
if self.net.global_state == PermissionState::Granted
|| match host.as_ref() {
None => false,
Some(host) => check_host_allowlist(host, &self.net.granted_list),
}
{
return PermissionState::Granted;
}
PermissionState::Prompt
}
pub fn query_env(&self) -> PermissionState {
self.env
}
pub fn query_run(&self) -> PermissionState {
self.run
}
pub fn query_plugin(&self) -> PermissionState {
self.plugin
}
pub fn query_hrtime(&self) -> PermissionState {
self.hrtime
}
pub fn request_read(&mut self, path: &Option<&Path>) -> PermissionState {
if let Some(path) = path {
let (resolved_path, display_path) = self.resolved_and_display_path(path);
let state = self.query_read(&Some(&resolved_path));
if state == PermissionState::Prompt {
if permission_prompt(&format!(
"Deno requests read access to \"{}\"",
display_path.display()
)) {
self
.read
.granted_list
.retain(|path| !path.starts_with(&resolved_path));
self.read.granted_list.insert(resolved_path);
return PermissionState::Granted;
} else {
self
.read
.denied_list
.retain(|path| !resolved_path.starts_with(path));
self.read.denied_list.insert(resolved_path);
self.read.global_state = PermissionState::Denied;
return PermissionState::Denied;
}
}
state
} else {
let state = self.query_read(&None);
if state == PermissionState::Prompt {
if permission_prompt("Deno requests read access") {
self.read.granted_list.clear();
self.read.global_state = PermissionState::Granted;
return PermissionState::Granted;
} else {
self.read.global_state = PermissionState::Denied;
return PermissionState::Denied;
}
}
state
}
}
pub fn request_write(&mut self, path: &Option<&Path>) -> PermissionState {
if let Some(path) = path {
let (resolved_path, display_path) = self.resolved_and_display_path(path);
let state = self.query_write(&Some(&resolved_path));
if state == PermissionState::Prompt {
if permission_prompt(&format!(
"Deno requests write access to \"{}\"",
display_path.display()
)) {
self
.write
.granted_list
.retain(|path| !path.starts_with(&resolved_path));
self.write.granted_list.insert(resolved_path);
return PermissionState::Granted;
} else {
self
.write
.denied_list
.retain(|path| !resolved_path.starts_with(path));
self.write.denied_list.insert(resolved_path);
self.write.global_state = PermissionState::Denied;
return PermissionState::Denied;
}
}
state
} else {
let state = self.query_write(&None);
if state == PermissionState::Prompt {
if permission_prompt("Deno requests write access") {
self.write.granted_list.clear();
self.write.global_state = PermissionState::Granted;
return PermissionState::Granted;
} else {
self.write.global_state = PermissionState::Denied;
return PermissionState::Denied;
}
}
state
}
}
pub fn request_net<T: AsRef<str>>(
&mut self,
host: &Option<&(T, Option<u16>)>,
) -> PermissionState {
if let Some(host) = host {
let state = self.query_net(&Some(host));
if state == PermissionState::Prompt {
let host_string = format_host(host);
if permission_prompt(&format!(
"Deno requests network access to \"{}\"",
host_string,
)) {
if host.1.is_none() {
self
.net
.granted_list
.retain(|h| !h.starts_with(&format!("{}:", host.0.as_ref())));
}
self.net.granted_list.insert(host_string);
return PermissionState::Granted;
} else {
if host.1.is_some() {
self.net.denied_list.remove(host.0.as_ref());
}
self.net.denied_list.insert(host_string);
self.net.global_state = PermissionState::Denied;
return PermissionState::Denied;
}
}
state
} else {
let state = self.query_net::<&str>(&None);
if state == PermissionState::Prompt {
if permission_prompt("Deno requests network access") {
self.net.granted_list.clear();
self.net.global_state = PermissionState::Granted;
return PermissionState::Granted;
} else {
self.net.global_state = PermissionState::Denied;
return PermissionState::Denied;
}
}
state
}
}
pub fn request_env(&mut self) -> PermissionState {
if self.env == PermissionState::Prompt {
if permission_prompt("Deno requests access to environment variables") {
self.env = PermissionState::Granted;
} else {
self.env = PermissionState::Denied;
}
}
self.env
}
pub fn request_run(&mut self) -> PermissionState {
if self.run == PermissionState::Prompt {
if permission_prompt("Deno requests to access to run a subprocess") {
self.run = PermissionState::Granted;
} else {
self.run = PermissionState::Denied;
}
}
self.run
}
pub fn request_plugin(&mut self) -> PermissionState {
if self.plugin == PermissionState::Prompt {
if permission_prompt("Deno requests to open plugins") {
self.plugin = PermissionState::Granted;
} else {
self.plugin = PermissionState::Denied;
}
}
self.plugin
}
pub fn request_hrtime(&mut self) -> PermissionState {
if self.hrtime == PermissionState::Prompt {
if permission_prompt("Deno requests access to high precision time") {
self.hrtime = PermissionState::Granted;
} else {
self.hrtime = PermissionState::Denied;
}
}
self.hrtime
}
pub fn revoke_read(&mut self, path: &Option<&Path>) -> PermissionState {
if let Some(path) = path {
let path = resolve_from_cwd(path).unwrap();
self
.read
.granted_list
.retain(|path_| !path_.starts_with(&path));
} else {
self.read.granted_list.clear();
if self.read.global_state == PermissionState::Granted {
self.read.global_state = PermissionState::Prompt;
}
}
self.query_read(path)
}
pub fn revoke_write(&mut self, path: &Option<&Path>) -> PermissionState {
if let Some(path) = path {
let path = resolve_from_cwd(path).unwrap();
self
.write
.granted_list
.retain(|path_| !path_.starts_with(&path));
} else {
self.write.granted_list.clear();
if self.write.global_state == PermissionState::Granted {
self.write.global_state = PermissionState::Prompt;
}
}
self.query_write(path)
}
pub fn revoke_net<T: AsRef<str>>(
&mut self,
host: &Option<&(T, Option<u16>)>,
) -> PermissionState {
if let Some(host) = host {
self.net.granted_list.remove(&format_host(host));
if host.1.is_none() {
self
.net
.granted_list
.retain(|h| !h.starts_with(&format!("{}:", host.0.as_ref())));
}
} else {
self.net.granted_list.clear();
if self.net.global_state == PermissionState::Granted {
self.net.global_state = PermissionState::Prompt;
}
}
self.query_net(host)
}
pub fn revoke_env(&mut self) -> PermissionState {
if self.env == PermissionState::Granted {
self.env = PermissionState::Prompt;
}
self.env
}
pub fn revoke_run(&mut self) -> PermissionState {
if self.run == PermissionState::Granted {
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<(), AnyError> {
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<(), AnyError> {
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<(), AnyError> {
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<T: AsRef<str>>(
&self,
host: &(T, Option<u16>),
) -> Result<(), AnyError> {
self.query_net(&Some(host)).check(
&format!("network access to \"{}\"", format_host(host)),
"--allow-net",
)
}
pub fn check_net_url(&self, url: &url::Url) -> Result<(), AnyError> {
let hostname = url
.host_str()
.ok_or_else(|| uri_error("Missing host"))?
.to_string();
let display_host = match url.port() {
None => hostname.clone(),
Some(port) => format!("{}:{}", hostname, port),
};
self
.query_net(&Some(&(hostname, url.port_or_known_default())))
.check(
&format!("network access to \"{}\"", display_host),
"--allow-net",
)
}
/// A helper function that determines if the module specifier is a local or
/// remote, and performs a read or net check for the specifier.
pub fn check_specifier(
&self,
specifier: &ModuleSpecifier,
) -> Result<(), AnyError> {
match specifier.scheme() {
"file" => match specifier.to_file_path() {
Ok(path) => self.check_read(&path),
Err(_) => Err(uri_error(format!(
"Invalid file path.\n Specifier: {}",
specifier
))),
},
"data" => Ok(()),
_ => self.check_net_url(specifier),
}
}
pub fn check_env(&self) -> Result<(), AnyError> {
self
.env
.check("access to environment variables", "--allow-env")
}
pub fn check_run(&self) -> Result<(), AnyError> {
self.run.check("access to run a subprocess", "--allow-run")
}
pub fn check_plugin(&self, path: &Path) -> Result<(), AnyError> {
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<(), AnyError> {
self
.hrtime
.check("access to high precision time", "--allow-hrtime")
}
}
impl deno_fetch::FetchPermissions for Permissions {
fn check_net_url(&self, url: &url::Url) -> Result<(), AnyError> {
Permissions::check_net_url(self, url)
}
fn check_read(&self, p: &Path) -> Result<(), AnyError> {
Permissions::check_read(self, p)
}
}
impl deno_websocket::WebSocketPermissions for Permissions {
fn check_net_url(&self, url: &url::Url) -> Result<(), AnyError> {
Permissions::check_net_url(self, url)
}
}
/// 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_allowlist<T: AsRef<str>>(
host: &(T, Option<u16>),
allowlist: &HashSet<String>,
) -> bool {
let (hostname, port) = host;
allowlist.contains(hostname.as_ref())
|| (port.is_some() && allowlist.contains(&format_host(host)))
}
fn check_host_blocklist<T: AsRef<str>>(
host: &(T, Option<u16>),
blocklist: &HashSet<String>,
) -> bool {
let (hostname, port) = host;
match port {
None => blocklist.iter().any(|host| {
host == hostname.as_ref()
|| host.starts_with(&format!("{}:", hostname.as_ref()))
}),
Some(_) => blocklist.contains(&format_host(host)),
}
}
fn format_host<T: AsRef<str>>(host: &(T, Option<u16>)) -> String {
let (hostname, port) = host;
match port {
None => hostname.as_ref().to_string(),
Some(port) => format!("{}:{}", hostname.as_ref(), port),
}
}
#[cfg(test)]
mod tests {
use super::*;
use deno_core::resolve_url_or_path;
// 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_options(&PermissionsOptions {
allow_read: Some(allowlist.clone()),
allow_write: Some(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_with_values() {
let perms = Permissions::from_options(&PermissionsOptions {
allow_net: Some(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),
];
for (host, port, is_ok) in domain_tests {
assert_eq!(is_ok, perms.check_net(&(host, Some(port))).is_ok());
}
}
#[test]
fn test_check_net_only_flag() {
let perms = Permissions::from_options(&PermissionsOptions {
allow_net: Some(svec![]), // this means `--allow-net` is present without values following `=` sign
..Default::default()
});
let domain_tests = vec![
("localhost", 1234),
("deno.land", 0),
("deno.land", 3000),
("deno.lands", 0),
("deno.lands", 3000),
("github.com", 3000),
("github.com", 0),
("github.com", 2000),
("github.net", 3000),
("127.0.0.1", 0),
("127.0.0.1", 3000),
("127.0.0.2", 0),
("127.0.0.2", 3000),
("172.16.0.2", 8000),
("172.16.0.2", 0),
("172.16.0.2", 6000),
("172.16.0.1", 8000),
("somedomain", 0),
("192.168.0.1", 0),
];
for (host, port) in domain_tests {
assert!(perms.check_net(&(host, Some(port))).is_ok());
}
}
#[test]
fn test_check_net_no_flag() {
let perms = Permissions::from_options(&PermissionsOptions {
allow_net: None,
..Default::default()
});
let domain_tests = vec![
("localhost", 1234),
("deno.land", 0),
("deno.land", 3000),
("deno.lands", 0),
("deno.lands", 3000),
("github.com", 3000),
("github.com", 0),
("github.com", 2000),
("github.net", 3000),
("127.0.0.1", 0),
("127.0.0.1", 3000),
("127.0.0.2", 0),
("127.0.0.2", 3000),
("172.16.0.2", 8000),
("172.16.0.2", 0),
("172.16.0.2", 6000),
("172.16.0.1", 8000),
("somedomain", 0),
("192.168.0.1", 0),
];
for (host, port) in domain_tests {
assert!(!perms.check_net(&(host, Some(port))).is_ok());
}
}
#[test]
fn test_check_net_url() {
let perms = Permissions::from_options(&PermissionsOptions {
allow_net: Some(svec![
"localhost",
"deno.land",
"github.com:3000",
"127.0.0.1",
"172.16.0.2:8000",
"www.github.com:443"
]),
..Default::default()
});
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 {
let u = url::Url::parse(url_str).unwrap();
assert_eq!(is_ok, perms.check_net_url(&u).is_ok());
}
}
#[test]
fn check_specifiers() {
let read_allowlist = if cfg!(target_os = "windows") {
vec![PathBuf::from("C:\\a")]
} else {
vec![PathBuf::from("/a")]
};
let perms = Permissions::from_options(&PermissionsOptions {
allow_read: Some(read_allowlist),
allow_net: Some(svec!["localhost"]),
..Default::default()
});
let mut fixtures = vec![
(
resolve_url_or_path("http://localhost:4545/mod.ts").unwrap(),
true,
),
(
resolve_url_or_path("http://deno.land/x/mod.ts").unwrap(),
false,
),
(
resolve_url_or_path("data:text/plain,Hello%2C%20Deno!").unwrap(),
true,
),
];
if cfg!(target_os = "windows") {
fixtures
.push((resolve_url_or_path("file:///C:/a/mod.ts").unwrap(), true));
fixtures
.push((resolve_url_or_path("file:///C:/b/mod.ts").unwrap(), false));
} else {
fixtures.push((resolve_url_or_path("file:///a/mod.ts").unwrap(), true));
fixtures.push((resolve_url_or_path("file:///b/mod.ts").unwrap(), false));
}
for (specifier, expected) in fixtures {
assert_eq!(perms.check_specifier(&specifier).is_ok(), expected);
}
}
#[test]
fn check_invalid_specifiers() {
let perms = Permissions::allow_all();
let mut test_cases = vec![];
if cfg!(target_os = "windows") {
test_cases.push("file://");
test_cases.push("file:///");
} else {
test_cases.push("file://remotehost/");
}
for url in test_cases {
assert!(perms
.check_specifier(&resolve_url_or_path(url).unwrap())
.is_err());
}
}
#[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(&Some(vec![PathBuf::from("/foo")])),
..Default::default()
},
write: UnaryPermission {
global_state: PermissionState::Prompt,
granted_list: resolve_fs_allowlist(&Some(vec![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::<&str>(&None), PermissionState::Granted);
assert_eq!(perms1.query_net(&Some(&("127.0.0.1", None))), PermissionState::Granted);
assert_eq!(perms2.query_net::<&str>(&None), PermissionState::Prompt);
assert_eq!(perms2.query_net(&Some(&("127.0.0.1", Some(8000)))), 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(&Some(&("127.0.0.1", None))), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.request_net(&Some(&("127.0.0.1", Some(8000)))), 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(&Some(vec![PathBuf::from("/foo")])),
..Default::default()
},
write: UnaryPermission {
global_state: PermissionState::Prompt,
granted_list: resolve_fs_allowlist(&Some(vec![PathBuf::from("/foo")])),
..Default::default()
},
net: UnaryPermission {
global_state: PermissionState::Prompt,
granted_list: svec!["127.0.0.1"].iter().cloned().collect(),
..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(&Some(&("127.0.0.1", Some(8000)))), PermissionState::Granted);
assert_eq!(perms.revoke_net(&Some(&("127.0.0.1", None))), PermissionState::Prompt);
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);
};
}
}
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