mirror of
https://github.com/denoland/deno.git
synced 2024-11-21 15:04:11 -05:00
472a370640
Embedders may have special requirements around file opening, so we add a new `check_open` permission check that is called as part of the file open process.
1813 lines
44 KiB
Rust
1813 lines
44 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use std::borrow::Cow;
|
|
use std::cell::RefCell;
|
|
use std::io;
|
|
use std::io::SeekFrom;
|
|
use std::path::Path;
|
|
use std::path::PathBuf;
|
|
use std::rc::Rc;
|
|
|
|
use deno_core::anyhow::bail;
|
|
use deno_core::error::custom_error;
|
|
use deno_core::error::type_error;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::op2;
|
|
use deno_core::CancelFuture;
|
|
use deno_core::CancelHandle;
|
|
use deno_core::JsBuffer;
|
|
use deno_core::OpState;
|
|
use deno_core::ResourceId;
|
|
use deno_core::ToJsBuffer;
|
|
use deno_io::fs::FileResource;
|
|
use deno_io::fs::FsError;
|
|
use deno_io::fs::FsStat;
|
|
use rand::rngs::ThreadRng;
|
|
use rand::thread_rng;
|
|
use rand::Rng;
|
|
use serde::Serialize;
|
|
|
|
use crate::check_unstable;
|
|
use crate::interface::AccessCheckFn;
|
|
use crate::interface::FileSystemRc;
|
|
use crate::interface::FsDirEntry;
|
|
use crate::interface::FsFileType;
|
|
use crate::FsPermissions;
|
|
use crate::OpenOptions;
|
|
|
|
fn sync_permission_check<'a, P: FsPermissions + 'static>(
|
|
permissions: &'a mut P,
|
|
api_name: &'static str,
|
|
) -> impl AccessCheckFn + 'a {
|
|
move |resolved, path, options| {
|
|
permissions.check(resolved, options, path, api_name)
|
|
}
|
|
}
|
|
|
|
fn async_permission_check<P: FsPermissions + 'static>(
|
|
state: Rc<RefCell<OpState>>,
|
|
api_name: &'static str,
|
|
) -> impl AccessCheckFn {
|
|
move |resolved, path, options| {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check(resolved, options, path, api_name)
|
|
}
|
|
}
|
|
|
|
fn map_permission_error(
|
|
operation: &'static str,
|
|
error: FsError,
|
|
path: &Path,
|
|
) -> AnyError {
|
|
match error {
|
|
FsError::PermissionDenied(err) => {
|
|
let path = format!("{path:?}");
|
|
let (path, truncated) = if path.len() > 1024 {
|
|
(&path[0..1024], "...(truncated)")
|
|
} else {
|
|
(path.as_str(), "")
|
|
};
|
|
custom_error("PermissionDenied", format!("Requires {err} access to {path}{truncated}, run again with the --allow-{err} flag"))
|
|
}
|
|
err => Err::<(), _>(err)
|
|
.context_path(operation, path)
|
|
.err()
|
|
.unwrap(),
|
|
}
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_fs_cwd<P>(state: &mut OpState) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
let path = fs.cwd()?;
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read_blind(&path, "CWD", "Deno.cwd()")?;
|
|
let path_str = path_into_string(path.into_os_string())?;
|
|
Ok(path_str)
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_chdir<P>(
|
|
state: &mut OpState,
|
|
#[string] directory: &str,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let d = PathBuf::from(&directory);
|
|
state.borrow_mut::<P>().check_read(&d, "Deno.chdir()")?;
|
|
state
|
|
.borrow::<FileSystemRc>()
|
|
.chdir(&d)
|
|
.context_path("chdir", &d)
|
|
}
|
|
|
|
#[op2]
|
|
pub fn op_fs_umask(
|
|
state: &mut OpState,
|
|
mask: Option<u32>,
|
|
) -> Result<u32, AnyError>
|
|
where
|
|
{
|
|
check_unstable(state, "Deno.umask");
|
|
state.borrow::<FileSystemRc>().umask(mask).context("umask")
|
|
}
|
|
|
|
#[op2]
|
|
#[smi]
|
|
pub fn op_fs_open_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
#[serde] options: Option<OpenOptions>,
|
|
) -> Result<ResourceId, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let options = options.unwrap_or_else(OpenOptions::read);
|
|
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let mut access_check =
|
|
sync_permission_check::<P>(state.borrow_mut(), "Deno.openSync()");
|
|
let file = fs
|
|
.open_sync(&path, options, Some(&mut access_check))
|
|
.map_err(|error| map_permission_error("open", error, &path))?;
|
|
drop(access_check);
|
|
let rid = state
|
|
.resource_table
|
|
.add(FileResource::new(file, "fsFile".to_string()));
|
|
Ok(rid)
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[smi]
|
|
pub async fn op_fs_open_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
#[serde] options: Option<OpenOptions>,
|
|
) -> Result<ResourceId, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let options = options.unwrap_or_else(OpenOptions::read);
|
|
let mut access_check =
|
|
async_permission_check::<P>(state.clone(), "Deno.open()");
|
|
let fs = state.borrow().borrow::<FileSystemRc>().clone();
|
|
let file = fs
|
|
.open_async(path.clone(), options, Some(&mut access_check))
|
|
.await
|
|
.map_err(|error| map_permission_error("open", error, &path))?;
|
|
|
|
let rid = state
|
|
.borrow_mut()
|
|
.resource_table
|
|
.add(FileResource::new(file, "fsFile".to_string()));
|
|
Ok(rid)
|
|
}
|
|
|
|
#[op2]
|
|
pub fn op_fs_mkdir_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
recursive: bool,
|
|
mode: Option<u32>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let mode = mode.unwrap_or(0o777) & 0o777;
|
|
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.mkdirSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.mkdir_sync(&path, recursive, mode)
|
|
.context_path("mkdir", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_mkdir_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
recursive: bool,
|
|
mode: Option<u32>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let mode = mode.unwrap_or(0o777) & 0o777;
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state.borrow_mut::<P>().check_write(&path, "Deno.mkdir()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.mkdir_async(path.clone(), recursive, mode)
|
|
.await
|
|
.context_path("mkdir", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_chmod_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
mode: u32,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.chmodSync()")?;
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.chmod_sync(&path, mode).context_path("chmod", &path)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_chmod_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
mode: u32,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state.borrow_mut::<P>().check_write(&path, "Deno.chmod()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
fs.chmod_async(path.clone(), mode)
|
|
.await
|
|
.context_path("chmod", &path)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2]
|
|
pub fn op_fs_chown_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
uid: Option<u32>,
|
|
gid: Option<u32>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.chownSync()")?;
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.chown_sync(&path, uid, gid)
|
|
.context_path("chown", &path)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_chown_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
uid: Option<u32>,
|
|
gid: Option<u32>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state.borrow_mut::<P>().check_write(&path, "Deno.chown()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
fs.chown_async(path.clone(), uid, gid)
|
|
.await
|
|
.context_path("chown", &path)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_remove_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: &str,
|
|
recursive: bool,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.removeSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.remove_sync(&path, recursive)
|
|
.context_path("remove", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_remove_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
recursive: bool,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
if recursive {
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.remove()")?;
|
|
} else {
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write_partial(&path, "Deno.remove()")?;
|
|
}
|
|
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.remove_async(path.clone(), recursive)
|
|
.await
|
|
.context_path("remove", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_copy_file_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] from: &str,
|
|
#[string] to: &str,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let from = PathBuf::from(from);
|
|
let to = PathBuf::from(to);
|
|
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&from, "Deno.copyFileSync()")?;
|
|
permissions.check_write(&to, "Deno.copyFileSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.copy_file_sync(&from, &to)
|
|
.context_two_path("copy", &from, &to)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_copy_file_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] from: String,
|
|
#[string] to: String,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let from = PathBuf::from(from);
|
|
let to = PathBuf::from(to);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&from, "Deno.copyFile()")?;
|
|
permissions.check_write(&to, "Deno.copyFile()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.copy_file_async(from.clone(), to.clone())
|
|
.await
|
|
.context_two_path("copy", &from, &to)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_stat_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
#[buffer] stat_out_buf: &mut [u32],
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read(&path, "Deno.statSync()")?;
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
let stat = fs.stat_sync(&path).context_path("stat", &path)?;
|
|
let serializable_stat = SerializableStat::from(stat);
|
|
serializable_stat.write(stat_out_buf);
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_fs_stat_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
) -> Result<SerializableStat, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&path, "Deno.stat()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
let stat = fs
|
|
.stat_async(path.clone())
|
|
.await
|
|
.context_path("stat", &path)?;
|
|
Ok(SerializableStat::from(stat))
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_lstat_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
#[buffer] stat_out_buf: &mut [u32],
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read(&path, "Deno.lstatSync()")?;
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
let stat = fs.lstat_sync(&path).context_path("lstat", &path)?;
|
|
let serializable_stat = SerializableStat::from(stat);
|
|
serializable_stat.write(stat_out_buf);
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_fs_lstat_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
) -> Result<SerializableStat, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&path, "Deno.lstat()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
let stat = fs
|
|
.lstat_async(path.clone())
|
|
.await
|
|
.context_path("lstat", &path)?;
|
|
Ok(SerializableStat::from(stat))
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_fs_realpath_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&path, "Deno.realPathSync()")?;
|
|
if path.is_relative() {
|
|
permissions.check_read_blind(&fs.cwd()?, "CWD", "Deno.realPathSync()")?;
|
|
}
|
|
|
|
let resolved_path =
|
|
fs.realpath_sync(&path).context_path("realpath", &path)?;
|
|
|
|
let path_string = path_into_string(resolved_path.into_os_string())?;
|
|
Ok(path_string)
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[string]
|
|
pub async fn op_fs_realpath_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs;
|
|
{
|
|
let mut state = state.borrow_mut();
|
|
fs = state.borrow::<FileSystemRc>().clone();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&path, "Deno.realPath()")?;
|
|
if path.is_relative() {
|
|
permissions.check_read_blind(&fs.cwd()?, "CWD", "Deno.realPath()")?;
|
|
}
|
|
}
|
|
let resolved_path = fs
|
|
.realpath_async(path.clone())
|
|
.await
|
|
.context_path("realpath", &path)?;
|
|
|
|
let path_string = path_into_string(resolved_path.into_os_string())?;
|
|
Ok(path_string)
|
|
}
|
|
|
|
#[op2]
|
|
#[serde]
|
|
pub fn op_fs_read_dir_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
) -> Result<Vec<FsDirEntry>, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read(&path, "Deno.readDirSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
let entries = fs.read_dir_sync(&path).context_path("readdir", &path)?;
|
|
|
|
Ok(entries)
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_fs_read_dir_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
) -> Result<Vec<FsDirEntry>, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read(&path, "Deno.readDir()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
let entries = fs
|
|
.read_dir_async(path.clone())
|
|
.await
|
|
.context_path("readdir", &path)?;
|
|
|
|
Ok(entries)
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_rename_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] oldpath: String,
|
|
#[string] newpath: String,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let oldpath = PathBuf::from(oldpath);
|
|
let newpath = PathBuf::from(newpath);
|
|
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&oldpath, "Deno.renameSync()")?;
|
|
permissions.check_write(&oldpath, "Deno.renameSync()")?;
|
|
permissions.check_write(&newpath, "Deno.renameSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.rename_sync(&oldpath, &newpath)
|
|
.context_two_path("rename", &oldpath, &newpath)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_rename_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] oldpath: String,
|
|
#[string] newpath: String,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let oldpath = PathBuf::from(oldpath);
|
|
let newpath = PathBuf::from(newpath);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&oldpath, "Deno.rename()")?;
|
|
permissions.check_write(&oldpath, "Deno.rename()")?;
|
|
permissions.check_write(&newpath, "Deno.rename()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.rename_async(oldpath.clone(), newpath.clone())
|
|
.await
|
|
.context_two_path("rename", &oldpath, &newpath)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_link_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] oldpath: &str,
|
|
#[string] newpath: &str,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let oldpath = PathBuf::from(oldpath);
|
|
let newpath = PathBuf::from(newpath);
|
|
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&oldpath, "Deno.linkSync()")?;
|
|
permissions.check_write(&oldpath, "Deno.linkSync()")?;
|
|
permissions.check_read(&newpath, "Deno.linkSync()")?;
|
|
permissions.check_write(&newpath, "Deno.linkSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.link_sync(&oldpath, &newpath)
|
|
.context_two_path("link", &oldpath, &newpath)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_link_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] oldpath: String,
|
|
#[string] newpath: String,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let oldpath = PathBuf::from(&oldpath);
|
|
let newpath = PathBuf::from(&newpath);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_read(&oldpath, "Deno.link()")?;
|
|
permissions.check_write(&oldpath, "Deno.link()")?;
|
|
permissions.check_read(&newpath, "Deno.link()")?;
|
|
permissions.check_write(&newpath, "Deno.link()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.link_async(oldpath.clone(), newpath.clone())
|
|
.await
|
|
.context_two_path("link", &oldpath, &newpath)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2]
|
|
pub fn op_fs_symlink_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] oldpath: &str,
|
|
#[string] newpath: &str,
|
|
#[serde] file_type: Option<FsFileType>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let oldpath = PathBuf::from(oldpath);
|
|
let newpath = PathBuf::from(newpath);
|
|
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_write_all("Deno.symlinkSync()")?;
|
|
permissions.check_read_all("Deno.symlinkSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.symlink_sync(&oldpath, &newpath, file_type)
|
|
.context_two_path("symlink", &oldpath, &newpath)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_symlink_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] oldpath: String,
|
|
#[string] newpath: String,
|
|
#[serde] file_type: Option<FsFileType>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let oldpath = PathBuf::from(&oldpath);
|
|
let newpath = PathBuf::from(&newpath);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
let permissions = state.borrow_mut::<P>();
|
|
permissions.check_write_all("Deno.symlink()")?;
|
|
permissions.check_read_all("Deno.symlink()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.symlink_async(oldpath.clone(), newpath.clone(), file_type)
|
|
.await
|
|
.context_two_path("symlink", &oldpath, &newpath)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_fs_read_link_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read(&path, "Deno.readLink()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
|
|
let target = fs.read_link_sync(&path).context_path("readlink", &path)?;
|
|
let target_string = path_into_string(target.into_os_string())?;
|
|
Ok(target_string)
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[string]
|
|
pub async fn op_fs_read_link_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_read(&path, "Deno.readLink()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
let target = fs
|
|
.read_link_async(path.clone())
|
|
.await
|
|
.context_path("readlink", &path)?;
|
|
let target_string = path_into_string(target.into_os_string())?;
|
|
Ok(target_string)
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_truncate_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: &str,
|
|
#[number] len: u64,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.truncateSync()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.truncate_sync(&path, len)
|
|
.context_path("truncate", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_truncate_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
#[number] len: u64,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write(&path, "Deno.truncate()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.truncate_async(path.clone(), len)
|
|
.await
|
|
.context_path("truncate", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_utime_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: &str,
|
|
#[number] atime_secs: i64,
|
|
#[smi] atime_nanos: u32,
|
|
#[number] mtime_secs: i64,
|
|
#[smi] mtime_nanos: u32,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
state.borrow_mut::<P>().check_write(&path, "Deno.utime()")?;
|
|
|
|
let fs = state.borrow::<FileSystemRc>();
|
|
fs.utime_sync(&path, atime_secs, atime_nanos, mtime_secs, mtime_nanos)
|
|
.context_path("utime", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_utime_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
#[number] atime_secs: i64,
|
|
#[smi] atime_nanos: u32,
|
|
#[number] mtime_secs: i64,
|
|
#[smi] mtime_nanos: u32,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = {
|
|
let mut state = state.borrow_mut();
|
|
state.borrow_mut::<P>().check_write(&path, "Deno.utime()")?;
|
|
state.borrow::<FileSystemRc>().clone()
|
|
};
|
|
|
|
fs.utime_async(
|
|
path.clone(),
|
|
atime_secs,
|
|
atime_nanos,
|
|
mtime_secs,
|
|
mtime_nanos,
|
|
)
|
|
.await
|
|
.context_path("utime", &path)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_fs_make_temp_dir_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] dir: Option<String>,
|
|
#[string] prefix: Option<String>,
|
|
#[string] suffix: Option<String>,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let (dir, fs) =
|
|
make_temp_check_sync::<P>(state, dir, "Deno.makeTempDirSync()")?;
|
|
|
|
let mut rng = thread_rng();
|
|
|
|
const MAX_TRIES: u32 = 10;
|
|
for _ in 0..MAX_TRIES {
|
|
let path = tmp_name(&mut rng, &dir, prefix.as_deref(), suffix.as_deref())?;
|
|
match fs.mkdir_sync(&path, false, 0o700) {
|
|
Ok(_) => return path_into_string(path.into_os_string()),
|
|
Err(FsError::Io(ref e)) if e.kind() == io::ErrorKind::AlreadyExists => {
|
|
continue;
|
|
}
|
|
Err(e) => return Err(e).context("tmpdir"),
|
|
}
|
|
}
|
|
|
|
Err(FsError::Io(io::Error::new(
|
|
io::ErrorKind::AlreadyExists,
|
|
"too many temp dirs exist",
|
|
)))
|
|
.context("tmpdir")
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[string]
|
|
pub async fn op_fs_make_temp_dir_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] dir: Option<String>,
|
|
#[string] prefix: Option<String>,
|
|
#[string] suffix: Option<String>,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let (dir, fs) = make_temp_check_async::<P>(state, dir, "Deno.makeTempDir()")?;
|
|
|
|
let mut rng = thread_rng();
|
|
|
|
const MAX_TRIES: u32 = 10;
|
|
for _ in 0..MAX_TRIES {
|
|
let path = tmp_name(&mut rng, &dir, prefix.as_deref(), suffix.as_deref())?;
|
|
match fs.clone().mkdir_async(path.clone(), false, 0o700).await {
|
|
Ok(_) => return path_into_string(path.into_os_string()),
|
|
Err(FsError::Io(ref e)) if e.kind() == io::ErrorKind::AlreadyExists => {
|
|
continue;
|
|
}
|
|
Err(e) => return Err(e).context("tmpdir"),
|
|
}
|
|
}
|
|
|
|
Err(FsError::Io(io::Error::new(
|
|
io::ErrorKind::AlreadyExists,
|
|
"too many temp dirs exist",
|
|
)))
|
|
.context("tmpdir")
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_fs_make_temp_file_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] dir: Option<String>,
|
|
#[string] prefix: Option<String>,
|
|
#[string] suffix: Option<String>,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let (dir, fs) =
|
|
make_temp_check_sync::<P>(state, dir, "Deno.makeTempFileSync()")?;
|
|
|
|
let open_opts = OpenOptions {
|
|
write: true,
|
|
create_new: true,
|
|
mode: Some(0o600),
|
|
..Default::default()
|
|
};
|
|
|
|
let mut rng = thread_rng();
|
|
const MAX_TRIES: u32 = 10;
|
|
for _ in 0..MAX_TRIES {
|
|
let path = tmp_name(&mut rng, &dir, prefix.as_deref(), suffix.as_deref())?;
|
|
match fs.open_sync(&path, open_opts, None) {
|
|
Ok(_) => return path_into_string(path.into_os_string()),
|
|
Err(FsError::Io(ref e)) if e.kind() == io::ErrorKind::AlreadyExists => {
|
|
continue;
|
|
}
|
|
Err(e) => return Err(e).context("tmpfile"),
|
|
}
|
|
}
|
|
|
|
Err(FsError::Io(io::Error::new(
|
|
io::ErrorKind::AlreadyExists,
|
|
"too many temp files exist",
|
|
)))
|
|
.context("tmpfile")
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[string]
|
|
pub async fn op_fs_make_temp_file_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] dir: Option<String>,
|
|
#[string] prefix: Option<String>,
|
|
#[string] suffix: Option<String>,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let (dir, fs) =
|
|
make_temp_check_async::<P>(state, dir, "Deno.makeTempFile()")?;
|
|
|
|
let open_opts = OpenOptions {
|
|
write: true,
|
|
create_new: true,
|
|
mode: Some(0o600),
|
|
..Default::default()
|
|
};
|
|
|
|
let mut rng = thread_rng();
|
|
|
|
const MAX_TRIES: u32 = 10;
|
|
for _ in 0..MAX_TRIES {
|
|
let path = tmp_name(&mut rng, &dir, prefix.as_deref(), suffix.as_deref())?;
|
|
match fs.clone().open_async(path.clone(), open_opts, None).await {
|
|
Ok(_) => return path_into_string(path.into_os_string()),
|
|
Err(FsError::Io(ref e)) if e.kind() == io::ErrorKind::AlreadyExists => {
|
|
continue;
|
|
}
|
|
Err(e) => return Err(e).context("tmpfile"),
|
|
}
|
|
}
|
|
Err(FsError::Io(io::Error::new(
|
|
io::ErrorKind::AlreadyExists,
|
|
"too many temp files exist",
|
|
)))
|
|
.context("tmpfile")
|
|
}
|
|
|
|
fn make_temp_check_sync<P>(
|
|
state: &mut OpState,
|
|
dir: Option<String>,
|
|
api_name: &str,
|
|
) -> Result<(PathBuf, FileSystemRc), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let dir = match dir {
|
|
Some(dir) => {
|
|
let dir = PathBuf::from(dir);
|
|
state.borrow_mut::<P>().check_write(&dir, api_name)?;
|
|
dir
|
|
}
|
|
None => {
|
|
let dir = fs.tmp_dir().context("tmpdir")?;
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write_blind(&dir, "TMP", api_name)?;
|
|
dir
|
|
}
|
|
};
|
|
Ok((dir, fs))
|
|
}
|
|
|
|
fn make_temp_check_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
dir: Option<String>,
|
|
api_name: &str,
|
|
) -> Result<(PathBuf, FileSystemRc), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let mut state = state.borrow_mut();
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let dir = match dir {
|
|
Some(dir) => {
|
|
let dir = PathBuf::from(dir);
|
|
state.borrow_mut::<P>().check_write(&dir, api_name)?;
|
|
dir
|
|
}
|
|
None => {
|
|
let dir = fs.tmp_dir().context("tmpdir")?;
|
|
state
|
|
.borrow_mut::<P>()
|
|
.check_write_blind(&dir, "TMP", api_name)?;
|
|
dir
|
|
}
|
|
};
|
|
Ok((dir, fs))
|
|
}
|
|
|
|
/// Identify illegal filename characters before attempting to use them in a filesystem
|
|
/// operation. We're a bit stricter with tempfile and tempdir names than with regular
|
|
/// files.
|
|
fn validate_temporary_filename_component(
|
|
component: &str,
|
|
#[allow(unused_variables)] suffix: bool,
|
|
) -> Result<(), AnyError> {
|
|
// Ban ASCII and Unicode control characters: these will often fail
|
|
if let Some(c) = component.matches(|c: char| c.is_control()).next() {
|
|
bail!("Invalid control character in prefix or suffix: {:?}", c);
|
|
}
|
|
// Windows has the most restrictive filenames. As temp files aren't normal files, we just
|
|
// use this set of banned characters for all platforms because wildcard-like files can also
|
|
// be problematic in unix-like shells.
|
|
|
|
// The list of banned characters in Windows:
|
|
// https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions
|
|
|
|
// You might ask why <, >, and " are included in the Windows list? It's because they are
|
|
// special wildcard implemented in the filesystem driver!
|
|
// https://learn.microsoft.com/en-ca/archive/blogs/jeremykuhne/wildcards-in-windows
|
|
if let Some(c) = component
|
|
.matches(|c: char| "<>:\"/\\|?*".contains(c))
|
|
.next()
|
|
{
|
|
bail!("Invalid character in prefix or suffix: {:?}", c);
|
|
}
|
|
|
|
// This check is only for Windows
|
|
#[cfg(windows)]
|
|
if suffix && component.ends_with(|c: char| ". ".contains(c)) {
|
|
bail!("Invalid trailing character in suffix");
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn tmp_name(
|
|
rng: &mut ThreadRng,
|
|
dir: &Path,
|
|
prefix: Option<&str>,
|
|
suffix: Option<&str>,
|
|
) -> Result<PathBuf, AnyError> {
|
|
let prefix = prefix.unwrap_or("");
|
|
validate_temporary_filename_component(prefix, false)?;
|
|
let suffix = suffix.unwrap_or("");
|
|
validate_temporary_filename_component(suffix, true)?;
|
|
|
|
// If we use a 32-bit number, we only need ~70k temp files before we have a 50%
|
|
// chance of collision. By bumping this up to 64-bits, we require ~5 billion
|
|
// before hitting a 50% chance. We also base32-encode this value so the entire
|
|
// thing is 1) case insensitive and 2) slightly shorter than the equivalent hex
|
|
// value.
|
|
let unique = rng.gen::<u64>();
|
|
base32::encode(base32::Alphabet::Crockford, &unique.to_le_bytes());
|
|
let path = dir.join(format!("{prefix}{unique:08x}{suffix}"));
|
|
|
|
Ok(path)
|
|
}
|
|
|
|
#[op2]
|
|
pub fn op_fs_write_file_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
mode: Option<u32>,
|
|
append: bool,
|
|
create: bool,
|
|
create_new: bool,
|
|
#[buffer] data: JsBuffer,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let options = OpenOptions::write(create, append, create_new, mode);
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let mut access_check =
|
|
sync_permission_check::<P>(state.borrow_mut(), "Deno.writeFileSync()");
|
|
|
|
fs.write_file_sync(&path, options, Some(&mut access_check), &data)
|
|
.map_err(|error| map_permission_error("writefile", error, &path))?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[allow(clippy::too_many_arguments)]
|
|
pub async fn op_fs_write_file_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
#[smi] mode: Option<u32>,
|
|
append: bool,
|
|
create: bool,
|
|
create_new: bool,
|
|
#[buffer] data: JsBuffer,
|
|
#[smi] cancel_rid: Option<ResourceId>,
|
|
) -> Result<(), AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let options = OpenOptions::write(create, append, create_new, mode);
|
|
|
|
let mut access_check =
|
|
async_permission_check::<P>(state.clone(), "Deno.writeFile()");
|
|
let (fs, cancel_handle) = {
|
|
let state = state.borrow_mut();
|
|
let cancel_handle = cancel_rid
|
|
.and_then(|rid| state.resource_table.get::<CancelHandle>(rid).ok());
|
|
(state.borrow::<FileSystemRc>().clone(), cancel_handle)
|
|
};
|
|
|
|
let fut = fs.write_file_async(
|
|
path.clone(),
|
|
options,
|
|
Some(&mut access_check),
|
|
data.to_vec(),
|
|
);
|
|
|
|
if let Some(cancel_handle) = cancel_handle {
|
|
let res = fut.or_cancel(cancel_handle).await;
|
|
|
|
if let Some(cancel_rid) = cancel_rid {
|
|
if let Ok(res) = state.borrow_mut().resource_table.take_any(cancel_rid) {
|
|
res.close();
|
|
}
|
|
};
|
|
|
|
res?.map_err(|error| map_permission_error("writefile", error, &path))?;
|
|
} else {
|
|
fut
|
|
.await
|
|
.map_err(|error| map_permission_error("writefile", error, &path))?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[op2]
|
|
#[serde]
|
|
pub fn op_fs_read_file_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
) -> Result<ToJsBuffer, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let mut access_check =
|
|
sync_permission_check::<P>(state.borrow_mut(), "Deno.readFileSync()");
|
|
let buf = fs
|
|
.read_file_sync(&path, Some(&mut access_check))
|
|
.map_err(|error| map_permission_error("readfile", error, &path))?;
|
|
|
|
Ok(buf.into())
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_fs_read_file_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
#[smi] cancel_rid: Option<ResourceId>,
|
|
) -> Result<ToJsBuffer, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let mut access_check =
|
|
async_permission_check::<P>(state.clone(), "Deno.readFile()");
|
|
let (fs, cancel_handle) = {
|
|
let state = state.borrow();
|
|
let cancel_handle = cancel_rid
|
|
.and_then(|rid| state.resource_table.get::<CancelHandle>(rid).ok());
|
|
(state.borrow::<FileSystemRc>().clone(), cancel_handle)
|
|
};
|
|
|
|
let fut = fs.read_file_async(path.clone(), Some(&mut access_check));
|
|
|
|
let buf = if let Some(cancel_handle) = cancel_handle {
|
|
let res = fut.or_cancel(cancel_handle).await;
|
|
|
|
if let Some(cancel_rid) = cancel_rid {
|
|
if let Ok(res) = state.borrow_mut().resource_table.take_any(cancel_rid) {
|
|
res.close();
|
|
}
|
|
};
|
|
|
|
res?.map_err(|error| map_permission_error("readfile", error, &path))?
|
|
} else {
|
|
fut
|
|
.await
|
|
.map_err(|error| map_permission_error("readfile", error, &path))?
|
|
};
|
|
|
|
Ok(buf.into())
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_fs_read_file_text_sync<P>(
|
|
state: &mut OpState,
|
|
#[string] path: String,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let fs = state.borrow::<FileSystemRc>().clone();
|
|
let mut access_check =
|
|
sync_permission_check::<P>(state.borrow_mut(), "Deno.readFileSync()");
|
|
let buf = fs
|
|
.read_file_sync(&path, Some(&mut access_check))
|
|
.map_err(|error| map_permission_error("readfile", error, &path))?;
|
|
|
|
Ok(string_from_utf8_lossy(buf))
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[string]
|
|
pub async fn op_fs_read_file_text_async<P>(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[string] path: String,
|
|
#[smi] cancel_rid: Option<ResourceId>,
|
|
) -> Result<String, AnyError>
|
|
where
|
|
P: FsPermissions + 'static,
|
|
{
|
|
let path = PathBuf::from(path);
|
|
|
|
let mut access_check =
|
|
async_permission_check::<P>(state.clone(), "Deno.readFile()");
|
|
let (fs, cancel_handle) = {
|
|
let state = state.borrow_mut();
|
|
let cancel_handle = cancel_rid
|
|
.and_then(|rid| state.resource_table.get::<CancelHandle>(rid).ok());
|
|
(state.borrow::<FileSystemRc>().clone(), cancel_handle)
|
|
};
|
|
|
|
let fut = fs.read_file_async(path.clone(), Some(&mut access_check));
|
|
|
|
let buf = if let Some(cancel_handle) = cancel_handle {
|
|
let res = fut.or_cancel(cancel_handle).await;
|
|
|
|
if let Some(cancel_rid) = cancel_rid {
|
|
if let Ok(res) = state.borrow_mut().resource_table.take_any(cancel_rid) {
|
|
res.close();
|
|
}
|
|
};
|
|
|
|
res?.map_err(|error| map_permission_error("readfile", error, &path))?
|
|
} else {
|
|
fut
|
|
.await
|
|
.map_err(|error| map_permission_error("readfile", error, &path))?
|
|
};
|
|
|
|
Ok(string_from_utf8_lossy(buf))
|
|
}
|
|
|
|
// Like String::from_utf8_lossy but operates on owned values
|
|
fn string_from_utf8_lossy(buf: Vec<u8>) -> String {
|
|
match String::from_utf8_lossy(&buf) {
|
|
// buf contained non-utf8 chars than have been patched
|
|
Cow::Owned(s) => s,
|
|
// SAFETY: if Borrowed then the buf only contains utf8 chars,
|
|
// we do this instead of .into_owned() to avoid copying the input buf
|
|
Cow::Borrowed(_) => unsafe { String::from_utf8_unchecked(buf) },
|
|
}
|
|
}
|
|
|
|
fn to_seek_from(offset: i64, whence: i32) -> Result<SeekFrom, AnyError> {
|
|
let seek_from = match whence {
|
|
0 => SeekFrom::Start(offset as u64),
|
|
1 => SeekFrom::Current(offset),
|
|
2 => SeekFrom::End(offset),
|
|
_ => {
|
|
return Err(type_error(format!("Invalid seek mode: {whence}")));
|
|
}
|
|
};
|
|
Ok(seek_from)
|
|
}
|
|
|
|
#[op2(fast)]
|
|
#[number]
|
|
pub fn op_fs_seek_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
#[number] offset: i64,
|
|
#[smi] whence: i32,
|
|
) -> Result<u64, AnyError> {
|
|
let pos = to_seek_from(offset, whence)?;
|
|
let file = FileResource::get_file(state, rid)?;
|
|
let cursor = file.seek_sync(pos)?;
|
|
Ok(cursor)
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[number]
|
|
pub async fn op_fs_seek_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
#[number] offset: i64,
|
|
#[smi] whence: i32,
|
|
) -> Result<u64, AnyError> {
|
|
let pos = to_seek_from(offset, whence)?;
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
let cursor = file.seek_async(pos).await?;
|
|
Ok(cursor)
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_fdatasync_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.datasync_sync()?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_fdatasync_sync_unstable(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(state, "Deno.FsFile.syncDataSync");
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.datasync_sync()?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_fdatasync_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.datasync_async().await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_fdatasync_async_unstable(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(&state.borrow(), "Deno.FsFile.syncData");
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.datasync_async().await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_fsync_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.sync_sync()?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_fsync_sync_unstable(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(state, "Deno.FsFile.syncSync");
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.sync_sync()?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_fsync_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.sync_async().await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_fsync_async_unstable(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(&state.borrow(), "Deno.FsFile.sync");
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.sync_async().await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_file_stat_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
#[buffer] stat_out_buf: &mut [u32],
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(state, rid)?;
|
|
let stat = file.stat_sync()?;
|
|
let serializable_stat = SerializableStat::from(stat);
|
|
serializable_stat.write(stat_out_buf);
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_fs_file_stat_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<SerializableStat, AnyError> {
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
let stat = file.stat_async().await?;
|
|
Ok(stat.into())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_flock_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
exclusive: bool,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(state, "Deno.flockSync");
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.lock_sync(exclusive)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_flock_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
exclusive: bool,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(&state.borrow(), "Deno.flock");
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.lock_async(exclusive).await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_funlock_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(state, "Deno.funlockSync");
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.unlock_sync()?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_funlock_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<(), AnyError> {
|
|
check_unstable(&state.borrow(), "Deno.funlock");
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.unlock_async().await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_ftruncate_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
#[number] len: u64,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.truncate_sync(len)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_ftruncate_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
#[number] len: u64,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file.truncate_async(len).await?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_fs_futime_sync(
|
|
state: &mut OpState,
|
|
#[smi] rid: ResourceId,
|
|
#[number] atime_secs: i64,
|
|
#[smi] atime_nanos: u32,
|
|
#[number] mtime_secs: i64,
|
|
#[smi] mtime_nanos: u32,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(state, rid)?;
|
|
file.utime_sync(atime_secs, atime_nanos, mtime_secs, mtime_nanos)?;
|
|
Ok(())
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub async fn op_fs_futime_async(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
#[number] atime_secs: i64,
|
|
#[smi] atime_nanos: u32,
|
|
#[number] mtime_secs: i64,
|
|
#[smi] mtime_nanos: u32,
|
|
) -> Result<(), AnyError> {
|
|
let file = FileResource::get_file(&state.borrow(), rid)?;
|
|
file
|
|
.utime_async(atime_secs, atime_nanos, mtime_secs, mtime_nanos)
|
|
.await?;
|
|
Ok(())
|
|
}
|
|
|
|
trait WithContext {
|
|
fn context<E: Into<Box<dyn std::error::Error + Send + Sync>>>(
|
|
self,
|
|
desc: E,
|
|
) -> AnyError;
|
|
}
|
|
|
|
impl WithContext for FsError {
|
|
fn context<E: Into<Box<dyn std::error::Error + Send + Sync>>>(
|
|
self,
|
|
desc: E,
|
|
) -> AnyError {
|
|
match self {
|
|
FsError::Io(io) => {
|
|
AnyError::new(io::Error::new(io.kind(), desc)).context(io)
|
|
}
|
|
_ => self.into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
trait MapErrContext {
|
|
type R;
|
|
|
|
fn context_fn<F, E>(self, f: F) -> Self::R
|
|
where
|
|
F: FnOnce() -> E,
|
|
E: Into<Box<dyn std::error::Error + Send + Sync>>;
|
|
|
|
fn context(self, desc: &'static str) -> Self::R;
|
|
|
|
fn context_path(self, operation: &'static str, path: &Path) -> Self::R;
|
|
|
|
fn context_two_path(
|
|
self,
|
|
operation: &'static str,
|
|
from: &Path,
|
|
to: &Path,
|
|
) -> Self::R;
|
|
}
|
|
|
|
impl<T> MapErrContext for Result<T, FsError> {
|
|
type R = Result<T, AnyError>;
|
|
|
|
fn context_fn<F, E>(self, f: F) -> Self::R
|
|
where
|
|
F: FnOnce() -> E,
|
|
E: Into<Box<dyn std::error::Error + Send + Sync>>,
|
|
{
|
|
self.map_err(|err| {
|
|
let message = f();
|
|
err.context(message)
|
|
})
|
|
}
|
|
|
|
fn context(self, desc: &'static str) -> Self::R {
|
|
self.context_fn(move || desc)
|
|
}
|
|
|
|
fn context_path(self, operation: &'static str, path: &Path) -> Self::R {
|
|
self.context_fn(|| format!("{operation} '{}'", path.display()))
|
|
}
|
|
|
|
fn context_two_path(
|
|
self,
|
|
operation: &'static str,
|
|
oldpath: &Path,
|
|
newpath: &Path,
|
|
) -> Self::R {
|
|
self.context_fn(|| {
|
|
format!(
|
|
"{operation} '{}' -> '{}'",
|
|
oldpath.display(),
|
|
newpath.display()
|
|
)
|
|
})
|
|
}
|
|
}
|
|
|
|
fn path_into_string(s: std::ffi::OsString) -> Result<String, AnyError> {
|
|
s.into_string().map_err(|s| {
|
|
let message = format!("File name or path {s:?} is not valid UTF-8");
|
|
custom_error("InvalidData", message)
|
|
})
|
|
}
|
|
|
|
macro_rules! create_struct_writer {
|
|
(pub struct $name:ident { $($field:ident: $type:ty),* $(,)? }) => {
|
|
impl $name {
|
|
fn write(self, buf: &mut [u32]) {
|
|
let mut offset = 0;
|
|
$(
|
|
let value = self.$field as u64;
|
|
buf[offset] = value as u32;
|
|
buf[offset + 1] = (value >> 32) as u32;
|
|
#[allow(unused_assignments)]
|
|
{
|
|
offset += 2;
|
|
}
|
|
)*
|
|
}
|
|
}
|
|
|
|
#[derive(Serialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
pub struct $name {
|
|
$($field: $type),*
|
|
}
|
|
};
|
|
}
|
|
|
|
create_struct_writer! {
|
|
pub struct SerializableStat {
|
|
is_file: bool,
|
|
is_directory: bool,
|
|
is_symlink: bool,
|
|
size: u64,
|
|
// In milliseconds, like JavaScript. Available on both Unix or Windows.
|
|
mtime_set: bool,
|
|
mtime: u64,
|
|
atime_set: bool,
|
|
atime: u64,
|
|
birthtime_set: bool,
|
|
birthtime: u64,
|
|
// Following are only valid under Unix.
|
|
dev: u64,
|
|
ino: u64,
|
|
mode: u32,
|
|
nlink: u64,
|
|
uid: u32,
|
|
gid: u32,
|
|
rdev: u64,
|
|
blksize: u64,
|
|
blocks: u64,
|
|
is_block_device: bool,
|
|
is_char_device: bool,
|
|
is_fifo: bool,
|
|
is_socket: bool,
|
|
}
|
|
}
|
|
|
|
impl From<FsStat> for SerializableStat {
|
|
fn from(stat: FsStat) -> Self {
|
|
SerializableStat {
|
|
is_file: stat.is_file,
|
|
is_directory: stat.is_directory,
|
|
is_symlink: stat.is_symlink,
|
|
size: stat.size,
|
|
|
|
mtime_set: stat.mtime.is_some(),
|
|
mtime: stat.mtime.unwrap_or(0),
|
|
atime_set: stat.atime.is_some(),
|
|
atime: stat.atime.unwrap_or(0),
|
|
birthtime_set: stat.birthtime.is_some(),
|
|
birthtime: stat.birthtime.unwrap_or(0),
|
|
|
|
dev: stat.dev,
|
|
ino: stat.ino,
|
|
mode: stat.mode,
|
|
nlink: stat.nlink,
|
|
uid: stat.uid,
|
|
gid: stat.gid,
|
|
rdev: stat.rdev,
|
|
blksize: stat.blksize,
|
|
blocks: stat.blocks,
|
|
is_block_device: stat.is_block_device,
|
|
is_char_device: stat.is_char_device,
|
|
is_fifo: stat.is_fifo,
|
|
is_socket: stat.is_socket,
|
|
}
|
|
}
|
|
}
|