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denoland-deno/runtime/permissions.rs
upendra1997 8257f51d7e
fix(permissions): don't panic when no input is given (#9894) 
Fixes #9633 

Co-authored-by: Kitson Kelly <me@kitsonkelly.com>
2021-04-03 07:49:51 +11:00

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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 log::debug;
use std::collections::HashSet;
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, PartialOrd)]
pub enum PermissionState {
Granted = 0,
Prompt = 1,
Denied = 2,
}
impl PermissionState {
/// Check the permission state.
fn check(self, name: &str, info: Option<&str>) -> Result<(), AnyError> {
if self == PermissionState::Granted {
log_perm_access(&format!(
"{} access{}",
name,
info.map_or(Default::default(), |info| { format!(" to {}", info) }),
));
return Ok(());
}
let message = format!(
"Requires {} access{}, run again with the --allow-{} flag",
name,
info.map_or(Default::default(), |info| { format!(" to {}", info) }),
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, PartialEq)]
pub struct UnitPermission {
pub name: &'static str,
pub description: &'static str,
pub state: PermissionState,
}
impl UnitPermission {
pub fn query(&self) -> PermissionState {
self.state
}
pub fn request(&mut self) -> PermissionState {
if self.state == PermissionState::Prompt {
if permission_prompt(&format!("access to {}", self.description)) {
self.state = PermissionState::Granted;
} else {
self.state = PermissionState::Denied;
}
}
self.state
}
pub fn revoke(&mut self) -> PermissionState {
if self.state == PermissionState::Granted {
self.state = PermissionState::Prompt;
}
self.state
}
pub fn check(&self) -> Result<(), AnyError> {
self.state.check(self.name, None)
}
}
#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
pub struct UnaryPermission<T: Eq + Hash> {
#[serde(skip)]
pub name: &'static str,
#[serde(skip)]
pub description: &'static str,
pub global_state: PermissionState,
pub granted_list: HashSet<T>,
pub denied_list: HashSet<T>,
}
#[derive(Clone, Eq, PartialEq, Hash, Debug, Default, Deserialize)]
pub struct ReadDescriptor(pub PathBuf);
#[derive(Clone, Eq, PartialEq, Hash, Debug, Default, Deserialize)]
pub struct WriteDescriptor(pub PathBuf);
#[derive(Clone, Eq, PartialEq, Hash, Debug, Default, Deserialize)]
pub struct NetDescriptor(pub String, pub Option<u16>);
impl NetDescriptor {
fn new<T: AsRef<str>>(host: &&(T, Option<u16>)) -> Self {
NetDescriptor(host.0.as_ref().to_string(), host.1)
}
pub fn from_string(host: String) -> Self {
let url = url::Url::parse(&format!("http://{}", host)).unwrap();
let hostname = url.host_str().unwrap().to_string();
NetDescriptor(hostname, url.port())
}
}
impl fmt::Display for NetDescriptor {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(&match self.1 {
None => self.0.clone(),
Some(port) => format!("{}:{}", self.0, port),
})
}
}
impl UnaryPermission<ReadDescriptor> {
pub fn query(&self, path: Option<&Path>) -> PermissionState {
let path = path.map(|p| resolve_from_cwd(p).unwrap());
if self.global_state == PermissionState::Denied
&& match path.as_ref() {
None => true,
Some(path) => self
.denied_list
.iter()
.any(|path_| path_.0.starts_with(path)),
}
{
PermissionState::Denied
} else if self.global_state == PermissionState::Granted
|| match path.as_ref() {
None => false,
Some(path) => self
.granted_list
.iter()
.any(|path_| path.starts_with(&path_.0)),
}
{
PermissionState::Granted
} else {
PermissionState::Prompt
}
}
pub fn request(&mut self, path: Option<&Path>) -> PermissionState {
if let Some(path) = path {
let (resolved_path, display_path) = resolved_and_display_path(path);
let state = self.query(Some(&resolved_path));
if state == PermissionState::Prompt {
if permission_prompt(&format!(
"read access to \"{}\"",
display_path.display()
)) {
self
.granted_list
.retain(|path| !path.0.starts_with(&resolved_path));
self.granted_list.insert(ReadDescriptor(resolved_path));
PermissionState::Granted
} else {
self
.denied_list
.retain(|path| !resolved_path.starts_with(&path.0));
self.denied_list.insert(ReadDescriptor(resolved_path));
self.global_state = PermissionState::Denied;
PermissionState::Denied
}
} else {
state
}
} else {
let state = self.query(None);
if state == PermissionState::Prompt {
if permission_prompt("read access") {
self.granted_list.clear();
self.global_state = PermissionState::Granted;
PermissionState::Granted
} else {
self.global_state = PermissionState::Denied;
PermissionState::Denied
}
} else {
state
}
}
}
pub fn revoke(&mut self, path: Option<&Path>) -> PermissionState {
if let Some(path) = path {
let path = resolve_from_cwd(path).unwrap();
self
.granted_list
.retain(|path_| !path_.0.starts_with(&path));
} else {
self.granted_list.clear();
if self.global_state == PermissionState::Granted {
self.global_state = PermissionState::Prompt;
}
}
self.query(path)
}
pub fn check(&self, path: &Path) -> Result<(), AnyError> {
let (resolved_path, display_path) = resolved_and_display_path(path);
self
.query(Some(&resolved_path))
.check(self.name, Some(&format!("\"{}\"", display_path.display())))
}
/// As `check()`, but permission error messages will anonymize the path
/// by replacing it with the given `display`.
pub fn check_blind(
&self,
path: &Path,
display: &str,
) -> Result<(), AnyError> {
let resolved_path = resolve_from_cwd(path).unwrap();
self
.query(Some(&resolved_path))
.check(self.name, Some(&format!("<{}>", display)))
}
}
impl UnaryPermission<WriteDescriptor> {
pub fn query(&self, path: Option<&Path>) -> PermissionState {
let path = path.map(|p| resolve_from_cwd(p).unwrap());
if self.global_state == PermissionState::Denied
&& match path.as_ref() {
None => true,
Some(path) => self
.denied_list
.iter()
.any(|path_| path_.0.starts_with(path)),
}
{
PermissionState::Denied
} else if self.global_state == PermissionState::Granted
|| match path.as_ref() {
None => false,
Some(path) => self
.granted_list
.iter()
.any(|path_| path.starts_with(&path_.0)),
}
{
PermissionState::Granted
} else {
PermissionState::Prompt
}
}
pub fn request(&mut self, path: Option<&Path>) -> PermissionState {
if let Some(path) = path {
let (resolved_path, display_path) = resolved_and_display_path(path);
let state = self.query(Some(&resolved_path));
if state == PermissionState::Prompt {
if permission_prompt(&format!(
"write access to \"{}\"",
display_path.display()
)) {
self
.granted_list
.retain(|path| !path.0.starts_with(&resolved_path));
self.granted_list.insert(WriteDescriptor(resolved_path));
PermissionState::Granted
} else {
self
.denied_list
.retain(|path| !resolved_path.starts_with(&path.0));
self.denied_list.insert(WriteDescriptor(resolved_path));
self.global_state = PermissionState::Denied;
PermissionState::Denied
}
} else {
state
}
} else {
let state = self.query(None);
if state == PermissionState::Prompt {
if permission_prompt("write access") {
self.granted_list.clear();
self.global_state = PermissionState::Granted;
PermissionState::Granted
} else {
self.global_state = PermissionState::Denied;
PermissionState::Denied
}
} else {
state
}
}
}
pub fn revoke(&mut self, path: Option<&Path>) -> PermissionState {
if let Some(path) = path {
let path = resolve_from_cwd(path).unwrap();
self
.granted_list
.retain(|path_| !path_.0.starts_with(&path));
} else {
self.granted_list.clear();
if self.global_state == PermissionState::Granted {
self.global_state = PermissionState::Prompt;
}
}
self.query(path)
}
pub fn check(&self, path: &Path) -> Result<(), AnyError> {
let (resolved_path, display_path) = resolved_and_display_path(path);
self
.query(Some(&resolved_path))
.check(self.name, Some(&format!("\"{}\"", display_path.display())))
}
}
impl UnaryPermission<NetDescriptor> {
pub fn query<T: AsRef<str>>(
&self,
host: Option<&(T, Option<u16>)>,
) -> PermissionState {
if self.global_state == PermissionState::Denied
&& match host.as_ref() {
None => true,
Some(host) => match host.1 {
None => self
.denied_list
.iter()
.any(|host_| host.0.as_ref() == host_.0),
Some(_) => self.denied_list.contains(&NetDescriptor::new(host)),
},
}
{
PermissionState::Denied
} else if self.global_state == PermissionState::Granted
|| match host.as_ref() {
None => false,
Some(host) => {
self.granted_list.contains(&NetDescriptor::new(&&(
host.0.as_ref().to_string(),
None,
)))
|| self.granted_list.contains(&NetDescriptor::new(host))
}
}
{
PermissionState::Granted
} else {
PermissionState::Prompt
}
}
pub fn request<T: AsRef<str>>(
&mut self,
host: Option<&(T, Option<u16>)>,
) -> PermissionState {
if let Some(host) = host {
let state = self.query(Some(host));
if state == PermissionState::Prompt {
let host = NetDescriptor::new(&host);
if permission_prompt(&format!("network access to \"{}\"", host)) {
if host.1.is_none() {
self.granted_list.retain(|h| h.0 != host.0);
}
self.granted_list.insert(host);
PermissionState::Granted
} else {
if host.1.is_some() {
self.denied_list.remove(&host);
}
self.denied_list.insert(host);
self.global_state = PermissionState::Denied;
PermissionState::Denied
}
} else {
state
}
} else {
let state = self.query::<&str>(None);
if state == PermissionState::Prompt {
if permission_prompt("network access") {
self.granted_list.clear();
self.global_state = PermissionState::Granted;
PermissionState::Granted
} else {
self.global_state = PermissionState::Denied;
PermissionState::Denied
}
} else {
state
}
}
}
pub fn revoke<T: AsRef<str>>(
&mut self,
host: Option<&(T, Option<u16>)>,
) -> PermissionState {
if let Some(host) = host {
self.granted_list.remove(&NetDescriptor::new(&host));
if host.1.is_none() {
self.granted_list.retain(|h| h.0 != host.0.as_ref());
}
} else {
self.granted_list.clear();
if self.global_state == PermissionState::Granted {
self.global_state = PermissionState::Prompt;
}
}
self.query(host)
}
pub fn check<T: AsRef<str>>(
&self,
host: &(T, Option<u16>),
) -> Result<(), AnyError> {
self.query(Some(host)).check(
self.name,
Some(&format!("\"{}\"", NetDescriptor::new(&host))),
)
}
pub fn check_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(Some(&(hostname, url.port_or_known_default())))
.check(self.name, Some(&format!("\"{}\"", display_host)))
}
}
#[derive(Clone, Debug, Default, PartialEq)]
pub struct Permissions {
pub read: UnaryPermission<ReadDescriptor>,
pub write: UnaryPermission<WriteDescriptor>,
pub net: UnaryPermission<NetDescriptor>,
pub env: UnitPermission,
pub run: UnitPermission,
pub plugin: UnitPermission,
pub hrtime: UnitPermission,
}
#[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 new_read(
state: &Option<Vec<PathBuf>>,
) -> UnaryPermission<ReadDescriptor> {
UnaryPermission::<ReadDescriptor> {
name: "read",
description: "read the file system",
global_state: global_state_from_option(state),
granted_list: resolve_read_allowlist(&state),
denied_list: Default::default(),
}
}
pub fn new_write(
state: &Option<Vec<PathBuf>>,
) -> UnaryPermission<WriteDescriptor> {
UnaryPermission::<WriteDescriptor> {
name: "write",
description: "write to the file system",
global_state: global_state_from_option(state),
granted_list: resolve_write_allowlist(&state),
denied_list: Default::default(),
}
}
pub fn new_net(
state: &Option<Vec<String>>,
) -> UnaryPermission<NetDescriptor> {
UnaryPermission::<NetDescriptor> {
name: "net",
description: "network",
global_state: global_state_from_option(state),
granted_list: state
.as_ref()
.map(|v| {
v.iter()
.map(|x| NetDescriptor::from_string(x.clone()))
.collect()
})
.unwrap_or_else(HashSet::new),
denied_list: Default::default(),
}
}
pub fn new_env(state: bool) -> UnitPermission {
boolean_permission_from_flag_bool(state, "env", "environment variables")
}
pub fn new_run(state: bool) -> UnitPermission {
boolean_permission_from_flag_bool(state, "run", "run a subprocess")
}
pub fn new_plugin(state: bool) -> UnitPermission {
boolean_permission_from_flag_bool(state, "plugin", "open a plugin")
}
pub fn new_hrtime(state: bool) -> UnitPermission {
boolean_permission_from_flag_bool(state, "hrtime", "high precision time")
}
pub fn from_options(opts: &PermissionsOptions) -> Self {
Self {
read: Permissions::new_read(&opts.allow_read),
write: Permissions::new_write(&opts.allow_write),
net: Permissions::new_net(&opts.allow_net),
env: Permissions::new_env(opts.allow_env),
run: Permissions::new_run(opts.allow_run),
plugin: Permissions::new_plugin(opts.allow_plugin),
hrtime: Permissions::new_hrtime(opts.allow_hrtime),
}
}
pub fn allow_all() -> Self {
Self {
read: Permissions::new_read(&Some(vec![])),
write: Permissions::new_write(&Some(vec![])),
net: Permissions::new_net(&Some(vec![])),
env: Permissions::new_env(true),
run: Permissions::new_run(true),
plugin: Permissions::new_plugin(true),
hrtime: Permissions::new_hrtime(true),
}
}
/// 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.read.check(&path),
Err(_) => Err(uri_error(format!(
"Invalid file path.\n Specifier: {}",
specifier
))),
},
"data" => Ok(()),
_ => self.net.check_url(specifier),
}
}
}
impl deno_fetch::FetchPermissions for Permissions {
fn check_net_url(&self, url: &url::Url) -> Result<(), AnyError> {
self.net.check_url(url)
}
fn check_read(&self, path: &Path) -> Result<(), AnyError> {
self.read.check(path)
}
}
impl deno_websocket::WebSocketPermissions for Permissions {
fn check_net_url(&self, url: &url::Url) -> Result<(), AnyError> {
self.net.check_url(url)
}
}
fn log_perm_access(message: &str) {
debug!(
"{}",
colors::bold(&format!("{}️ Granted {}", PERMISSION_EMOJI, message))
);
}
fn boolean_permission_from_flag_bool(
flag: bool,
name: &'static str,
description: &'static str,
) -> UnitPermission {
UnitPermission {
name,
description,
state: 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
}
}
pub fn resolve_read_allowlist(
allow: &Option<Vec<PathBuf>>,
) -> HashSet<ReadDescriptor> {
if let Some(v) = allow {
v.iter()
.map(|raw_path| {
ReadDescriptor(resolve_from_cwd(Path::new(&raw_path)).unwrap())
})
.collect()
} else {
HashSet::new()
}
}
pub fn resolve_write_allowlist(
allow: &Option<Vec<PathBuf>>,
) -> HashSet<WriteDescriptor> {
if let Some(v) = allow {
v.iter()
.map(|raw_path| {
WriteDescriptor(resolve_from_cwd(Path::new(&raw_path)).unwrap())
})
.collect()
} else {
HashSet::new()
}
}
/// 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(path: &Path) -> (PathBuf, PathBuf) {
let resolved_path = resolve_from_cwd(path).unwrap();
let display_path = path.to_path_buf();
(resolved_path, display_path)
}
/// 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!(
"{} ️Deno requests {}. 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 = match input.chars().next() {
None => return false,
Some(v) => v,
};
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));
}
};
}
}
// 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)
}
#[cfg(test)]
lazy_static::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);
}
#[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.read.check(Path::new("/a/specific/dir/name")).is_ok());
assert!(perms.write.check(Path::new("/a/specific/dir/name")).is_ok());
// Inside of /a/specific but outside of /a/specific/dir/name
assert!(perms.read.check(Path::new("/a/specific/dir")).is_ok());
assert!(perms.write.check(Path::new("/a/specific/dir")).is_ok());
// Inside of /a/specific and /a/specific/dir/name
assert!(perms
.read
.check(Path::new("/a/specific/dir/name/inner"))
.is_ok());
assert!(perms
.write
.check(Path::new("/a/specific/dir/name/inner"))
.is_ok());
// Inside of /a/specific but outside of /a/specific/dir/name
assert!(perms.read.check(Path::new("/a/specific/other/dir")).is_ok());
assert!(perms
.write
.check(Path::new("/a/specific/other/dir"))
.is_ok());
// Exact match with /b/c
assert!(perms.read.check(Path::new("/b/c")).is_ok());
assert!(perms.write.check(Path::new("/b/c")).is_ok());
// Sub path within /b/c
assert!(perms.read.check(Path::new("/b/c/sub/path")).is_ok());
assert!(perms.write.check(Path::new("/b/c/sub/path")).is_ok());
// Sub path within /b/c, needs normalizing
assert!(perms
.read
.check(Path::new("/b/c/sub/path/../path/."))
.is_ok());
assert!(perms
.write
.check(Path::new("/b/c/sub/path/../path/."))
.is_ok());
// Inside of /b but outside of /b/c
assert!(perms.read.check(Path::new("/b/e")).is_err());
assert!(perms.write.check(Path::new("/b/e")).is_err());
// Inside of /a but outside of /a/specific
assert!(perms.read.check(Path::new("/a/b")).is_err());
assert!(perms.write.check(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.net.check(&(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.net.check(&(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.net.check(&(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.net.check_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::allow_all();
let perms2 = Permissions {
read: UnaryPermission {
global_state: PermissionState::Prompt,
..Permissions::new_read(&Some(vec![PathBuf::from("/foo")]))
},
write: UnaryPermission {
global_state: PermissionState::Prompt,
..Permissions::new_write(&Some(vec![PathBuf::from("/foo")]))
},
net: UnaryPermission {
global_state: PermissionState::Prompt,
..Permissions::new_net(&Some(svec!["127.0.0.1:8000"]))
},
env: UnitPermission {
state: PermissionState::Prompt,
..Default::default()
},
run: UnitPermission {
state: PermissionState::Prompt,
..Default::default()
},
plugin: UnitPermission {
state: PermissionState::Prompt,
..Default::default()
},
hrtime: UnitPermission {
state: PermissionState::Prompt,
..Default::default()
},
};
#[rustfmt::skip]
{
assert_eq!(perms1.read.query(None), PermissionState::Granted);
assert_eq!(perms1.read.query(Some(&Path::new("/foo"))), PermissionState::Granted);
assert_eq!(perms2.read.query(None), PermissionState::Prompt);
assert_eq!(perms2.read.query(Some(&Path::new("/foo"))), PermissionState::Granted);
assert_eq!(perms2.read.query(Some(&Path::new("/foo/bar"))), PermissionState::Granted);
assert_eq!(perms1.write.query(None), PermissionState::Granted);
assert_eq!(perms1.write.query(Some(&Path::new("/foo"))), PermissionState::Granted);
assert_eq!(perms2.write.query(None), PermissionState::Prompt);
assert_eq!(perms2.write.query(Some(&Path::new("/foo"))), PermissionState::Granted);
assert_eq!(perms2.write.query(Some(&Path::new("/foo/bar"))), PermissionState::Granted);
assert_eq!(perms1.net.query::<&str>(None), PermissionState::Granted);
assert_eq!(perms1.net.query(Some(&("127.0.0.1", None))), PermissionState::Granted);
assert_eq!(perms2.net.query::<&str>(None), PermissionState::Prompt);
assert_eq!(perms2.net.query(Some(&("127.0.0.1", Some(8000)))), PermissionState::Granted);
assert_eq!(perms1.env.query(), PermissionState::Granted);
assert_eq!(perms2.env.query(), PermissionState::Prompt);
assert_eq!(perms1.run.query(), PermissionState::Granted);
assert_eq!(perms2.run.query(), PermissionState::Prompt);
assert_eq!(perms1.plugin.query(), PermissionState::Granted);
assert_eq!(perms2.plugin.query(), PermissionState::Prompt);
assert_eq!(perms1.hrtime.query(), PermissionState::Granted);
assert_eq!(perms2.hrtime.query(), PermissionState::Prompt);
};
}
#[test]
fn test_request() {
let mut perms: Permissions = Default::default();
#[rustfmt::skip]
{
let _guard = PERMISSION_PROMPT_GUARD.lock().unwrap();
set_prompt_result(true);
assert_eq!(perms.read.request(Some(&Path::new("/foo"))), PermissionState::Granted);
assert_eq!(perms.read.query(None), PermissionState::Prompt);
set_prompt_result(false);
assert_eq!(perms.read.request(Some(&Path::new("/foo/bar"))), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.write.request(Some(&Path::new("/foo"))), PermissionState::Denied);
assert_eq!(perms.write.query(Some(&Path::new("/foo/bar"))), PermissionState::Prompt);
set_prompt_result(true);
assert_eq!(perms.write.request(None), PermissionState::Denied);
set_prompt_result(true);
assert_eq!(perms.net.request(Some(&("127.0.0.1", None))), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.net.request(Some(&("127.0.0.1", Some(8000)))), PermissionState::Granted);
set_prompt_result(true);
assert_eq!(perms.env.request(), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.env.request(), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.run.request(), PermissionState::Denied);
set_prompt_result(true);
assert_eq!(perms.run.request(), PermissionState::Denied);
set_prompt_result(true);
assert_eq!(perms.plugin.request(), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.plugin.request(), PermissionState::Granted);
set_prompt_result(false);
assert_eq!(perms.hrtime.request(), PermissionState::Denied);
set_prompt_result(true);
assert_eq!(perms.hrtime.request(), PermissionState::Denied);
};
}
#[test]
fn test_revoke() {
let mut perms = Permissions {
read: UnaryPermission {
global_state: PermissionState::Prompt,
..Permissions::new_read(&Some(vec![PathBuf::from("/foo")]))
},
write: UnaryPermission {
global_state: PermissionState::Prompt,
..Permissions::new_write(&Some(vec![PathBuf::from("/foo")]))
},
net: UnaryPermission {
global_state: PermissionState::Prompt,
..Permissions::new_net(&Some(svec!["127.0.0.1"]))
},
env: UnitPermission {
state: PermissionState::Granted,
..Default::default()
},
run: UnitPermission {
state: PermissionState::Granted,
..Default::default()
},
plugin: UnitPermission {
state: PermissionState::Prompt,
..Default::default()
},
hrtime: UnitPermission {
state: PermissionState::Denied,
..Default::default()
},
};
#[rustfmt::skip]
{
assert_eq!(perms.read.revoke(Some(&Path::new("/foo/bar"))), PermissionState::Granted);
assert_eq!(perms.read.revoke(Some(&Path::new("/foo"))), PermissionState::Prompt);
assert_eq!(perms.read.query(Some(&Path::new("/foo/bar"))), PermissionState::Prompt);
assert_eq!(perms.write.revoke(Some(&Path::new("/foo/bar"))), PermissionState::Granted);
assert_eq!(perms.write.revoke(None), PermissionState::Prompt);
assert_eq!(perms.write.query(Some(&Path::new("/foo/bar"))), PermissionState::Prompt);
assert_eq!(perms.net.revoke(Some(&("127.0.0.1", Some(8000)))), PermissionState::Granted);
assert_eq!(perms.net.revoke(Some(&("127.0.0.1", None))), PermissionState::Prompt);
assert_eq!(perms.env.revoke(), PermissionState::Prompt);
assert_eq!(perms.run.revoke(), PermissionState::Prompt);
assert_eq!(perms.plugin.revoke(), PermissionState::Prompt);
assert_eq!(perms.hrtime.revoke(), PermissionState::Denied);
};
}
}
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