mirror of
https://github.com/denoland/deno.git
synced 2024-12-24 16:19:12 -05:00
868 lines
22 KiB
Rust
868 lines
22 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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// Some deserializer fields are only used on Unix and Windows build fails without it
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use super::dispatch_json::{blocking_json, Deserialize, JsonOp, Value};
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use super::io::{FileMetadata, StreamResource, StreamResourceHolder};
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use crate::fs as deno_fs;
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use crate::op_error::OpError;
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use crate::ops::dispatch_json::JsonResult;
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use crate::state::State;
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use deno_core::*;
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use futures::future::FutureExt;
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use remove_dir_all::remove_dir_all;
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use std;
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use std::convert::From;
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use std::fs;
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use std::io::SeekFrom;
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use std::path::Path;
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use std::time::UNIX_EPOCH;
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use tokio;
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#[cfg(unix)]
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use std::os::unix::fs::{MetadataExt, OpenOptionsExt, PermissionsExt};
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pub fn init(i: &mut Isolate, s: &State) {
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i.register_op("op_open", s.stateful_json_op(op_open));
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i.register_op("op_seek", s.stateful_json_op(op_seek));
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i.register_op("op_umask", s.stateful_json_op(op_umask));
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i.register_op("op_chdir", s.stateful_json_op(op_chdir));
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i.register_op("op_mkdir", s.stateful_json_op(op_mkdir));
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i.register_op("op_chmod", s.stateful_json_op(op_chmod));
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i.register_op("op_chown", s.stateful_json_op(op_chown));
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i.register_op("op_remove", s.stateful_json_op(op_remove));
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i.register_op("op_copy_file", s.stateful_json_op(op_copy_file));
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i.register_op("op_stat", s.stateful_json_op(op_stat));
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i.register_op("op_realpath", s.stateful_json_op(op_realpath));
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i.register_op("op_read_dir", s.stateful_json_op(op_read_dir));
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i.register_op("op_rename", s.stateful_json_op(op_rename));
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i.register_op("op_link", s.stateful_json_op(op_link));
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i.register_op("op_symlink", s.stateful_json_op(op_symlink));
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i.register_op("op_read_link", s.stateful_json_op(op_read_link));
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i.register_op("op_truncate", s.stateful_json_op(op_truncate));
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i.register_op("op_make_temp_dir", s.stateful_json_op(op_make_temp_dir));
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i.register_op("op_make_temp_file", s.stateful_json_op(op_make_temp_file));
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i.register_op("op_cwd", s.stateful_json_op(op_cwd));
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i.register_op("op_utime", s.stateful_json_op(op_utime));
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct OpenArgs {
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promise_id: Option<u64>,
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path: String,
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options: Option<OpenOptions>,
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open_mode: Option<String>,
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mode: Option<u32>,
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}
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#[derive(Deserialize, Default, Debug)]
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#[serde(rename_all = "camelCase")]
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#[serde(default)]
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struct OpenOptions {
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read: bool,
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write: bool,
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create: bool,
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truncate: bool,
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append: bool,
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create_new: bool,
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}
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fn op_open(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: OpenArgs = serde_json::from_value(args)?;
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let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
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let state_ = state.clone();
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let mut open_options = if let Some(mode) = args.mode {
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#[allow(unused_mut)]
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let mut std_options = fs::OpenOptions::new();
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// mode only used if creating the file on Unix
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// if not specified, defaults to 0o666
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#[cfg(unix)]
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std_options.mode(mode & 0o777);
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#[cfg(not(unix))]
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let _ = mode; // avoid unused warning
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tokio::fs::OpenOptions::from(std_options)
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} else {
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tokio::fs::OpenOptions::new()
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};
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if let Some(options) = args.options {
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if options.read {
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state.check_read(&path)?;
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}
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if options.write || options.append {
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state.check_write(&path)?;
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}
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open_options
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.read(options.read)
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.create(options.create)
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.write(options.write)
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.truncate(options.truncate)
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.append(options.append)
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.create_new(options.create_new);
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} else if let Some(open_mode) = args.open_mode {
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let open_mode = open_mode.as_ref();
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match open_mode {
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"r" => {
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state.check_read(&path)?;
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}
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"w" | "a" | "x" => {
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state.check_write(&path)?;
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}
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&_ => {
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state.check_read(&path)?;
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state.check_write(&path)?;
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}
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};
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match open_mode {
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"r" => {
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open_options.read(true);
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}
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"r+" => {
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open_options.read(true).write(true);
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}
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"w" => {
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open_options.create(true).write(true).truncate(true);
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}
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"w+" => {
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open_options
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.read(true)
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.create(true)
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.write(true)
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.truncate(true);
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}
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"a" => {
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open_options.create(true).append(true);
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}
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"a+" => {
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open_options.read(true).create(true).append(true);
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}
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"x" => {
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open_options.create_new(true).write(true);
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}
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"x+" => {
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open_options.create_new(true).read(true).write(true);
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}
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&_ => {
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// TODO: this should be type error
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return Err(OpError::other("Unknown open mode.".to_string()));
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}
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}
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} else {
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return Err(OpError::other(
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"Open requires either openMode or options.".to_string(),
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));
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};
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let is_sync = args.promise_id.is_none();
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let fut = async move {
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let fs_file = open_options.open(path).await?;
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let mut state = state_.borrow_mut();
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let rid = state.resource_table.add(
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"fsFile",
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Box::new(StreamResourceHolder::new(StreamResource::FsFile(
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fs_file,
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FileMetadata::default(),
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))),
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);
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Ok(json!(rid))
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};
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if is_sync {
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let buf = futures::executor::block_on(fut)?;
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Ok(JsonOp::Sync(buf))
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} else {
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Ok(JsonOp::Async(fut.boxed_local()))
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct SeekArgs {
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promise_id: Option<u64>,
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rid: i32,
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offset: i32,
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whence: i32,
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}
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fn op_seek(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: SeekArgs = serde_json::from_value(args)?;
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let rid = args.rid as u32;
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let offset = args.offset;
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let whence = args.whence as u32;
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// Translate seek mode to Rust repr.
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let seek_from = match whence {
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0 => SeekFrom::Start(offset as u64),
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1 => SeekFrom::Current(i64::from(offset)),
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2 => SeekFrom::End(i64::from(offset)),
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_ => {
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return Err(OpError::type_error(format!(
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"Invalid seek mode: {}",
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whence
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)));
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}
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};
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let state = state.borrow();
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let resource_holder = state
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.resource_table
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.get::<StreamResourceHolder>(rid)
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.ok_or_else(OpError::bad_resource_id)?;
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let tokio_file = match resource_holder.resource {
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StreamResource::FsFile(ref file, _) => file,
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_ => return Err(OpError::bad_resource_id()),
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};
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let mut file = futures::executor::block_on(tokio_file.try_clone())?;
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let fut = async move {
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let pos = file.seek(seek_from).await?;
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Ok(json!(pos))
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};
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if args.promise_id.is_none() {
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let buf = futures::executor::block_on(fut)?;
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Ok(JsonOp::Sync(buf))
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} else {
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Ok(JsonOp::Async(fut.boxed_local()))
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}
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}
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#[derive(Deserialize)]
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struct UmaskArgs {
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mask: Option<u32>,
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}
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fn op_umask(
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_state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: UmaskArgs = serde_json::from_value(args)?;
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// TODO implement umask for Windows
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// see https://github.com/nodejs/node/blob/master/src/node_process_methods.cc
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// and https://docs.microsoft.com/fr-fr/cpp/c-runtime-library/reference/umask?view=vs-2019
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#[cfg(not(unix))]
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{
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let _ = args.mask; // avoid unused warning.
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return Err(OpError::not_implemented());
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}
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#[cfg(unix)]
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{
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use nix::sys::stat::mode_t;
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use nix::sys::stat::umask;
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use nix::sys::stat::Mode;
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let r = if let Some(mask) = args.mask {
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// If mask provided, return previous.
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umask(Mode::from_bits_truncate(mask as mode_t))
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} else {
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// If no mask provided, we query the current. Requires two syscalls.
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let prev = umask(Mode::from_bits_truncate(0o777));
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let _ = umask(prev);
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prev
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};
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Ok(JsonOp::Sync(json!(r.bits() as u32)))
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}
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}
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#[derive(Deserialize)]
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struct ChdirArgs {
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directory: String,
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}
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fn op_chdir(
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_state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: ChdirArgs = serde_json::from_value(args)?;
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std::env::set_current_dir(&args.directory)?;
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Ok(JsonOp::Sync(json!({})))
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct MkdirArgs {
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promise_id: Option<u64>,
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path: String,
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recursive: bool,
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mode: Option<u32>,
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}
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fn op_mkdir(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: MkdirArgs = serde_json::from_value(args)?;
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let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
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let mode = args.mode.unwrap_or(0o777);
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state.check_write(&path)?;
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let is_sync = args.promise_id.is_none();
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blocking_json(is_sync, move || {
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debug!("op_mkdir {} {:o} {}", path.display(), mode, args.recursive);
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deno_fs::mkdir(&path, mode, args.recursive)?;
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Ok(json!({}))
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})
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct ChmodArgs {
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promise_id: Option<u64>,
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path: String,
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#[allow(unused)]
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mode: u32,
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}
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fn op_chmod(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: ChmodArgs = serde_json::from_value(args)?;
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let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
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state.check_write(&path)?;
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let is_sync = args.promise_id.is_none();
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blocking_json(is_sync, move || {
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debug!("op_chmod {}", path.display());
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// Still check file/dir exists on windows
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let _metadata = fs::metadata(&path)?;
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#[cfg(unix)]
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{
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let mut permissions = _metadata.permissions();
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permissions.set_mode(args.mode);
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fs::set_permissions(&path, permissions)?;
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}
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Ok(json!({}))
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})
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct ChownArgs {
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promise_id: Option<u64>,
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path: String,
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uid: u32,
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gid: u32,
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}
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fn op_chown(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: ChownArgs = serde_json::from_value(args)?;
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let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
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state.check_write(&path)?;
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let is_sync = args.promise_id.is_none();
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blocking_json(is_sync, move || {
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debug!("op_chown {}", path.display());
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deno_fs::chown(args.path.as_ref(), args.uid, args.gid)?;
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Ok(json!({}))
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})
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct RemoveArgs {
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promise_id: Option<u64>,
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path: String,
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recursive: bool,
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}
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fn op_remove(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: RemoveArgs = serde_json::from_value(args)?;
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let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
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let recursive = args.recursive;
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state.check_write(&path)?;
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let is_sync = args.promise_id.is_none();
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blocking_json(is_sync, move || {
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debug!("op_remove {}", path.display());
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let metadata = fs::symlink_metadata(&path)?;
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let file_type = metadata.file_type();
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if file_type.is_file() || file_type.is_symlink() {
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fs::remove_file(&path)?;
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} else if recursive {
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remove_dir_all(&path)?;
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} else {
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fs::remove_dir(&path)?;
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}
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Ok(json!({}))
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})
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct CopyFileArgs {
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promise_id: Option<u64>,
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from: String,
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to: String,
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}
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fn op_copy_file(
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state: &State,
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args: Value,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<JsonOp, OpError> {
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let args: CopyFileArgs = serde_json::from_value(args)?;
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let from = deno_fs::resolve_from_cwd(Path::new(&args.from))?;
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let to = deno_fs::resolve_from_cwd(Path::new(&args.to))?;
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state.check_read(&from)?;
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state.check_write(&to)?;
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debug!("op_copy_file {} {}", from.display(), to.display());
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let is_sync = args.promise_id.is_none();
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blocking_json(is_sync, move || {
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// On *nix, Rust reports non-existent `from` as ErrorKind::InvalidInput
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// See https://github.com/rust-lang/rust/issues/54800
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// Once the issue is resolved, we should remove this workaround.
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if cfg!(unix) && !from.is_file() {
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return Err(OpError::not_found("File not found".to_string()));
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}
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// returns size of from as u64 (we ignore)
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fs::copy(&from, &to)?;
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Ok(json!({}))
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})
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}
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macro_rules! to_seconds {
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($time:expr) => {{
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// Unwrap is safe here as if the file is before the unix epoch
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// something is very wrong.
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$time
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.and_then(|t| Ok(t.duration_since(UNIX_EPOCH).unwrap().as_secs()))
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.unwrap_or(0)
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}};
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}
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#[inline(always)]
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fn get_stat_json(
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metadata: fs::Metadata,
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maybe_name: Option<String>,
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) -> JsonResult {
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// Unix stat member (number types only). 0 if not on unix.
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macro_rules! usm {
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($member: ident) => {{
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#[cfg(unix)]
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{
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metadata.$member()
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}
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#[cfg(not(unix))]
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{
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0
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}
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}};
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}
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let mut json_val = json!({
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"isFile": metadata.is_file(),
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"isSymlink": metadata.file_type().is_symlink(),
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"size": metadata.len(),
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// In seconds. Available on both Unix or Windows.
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"modified":to_seconds!(metadata.modified()),
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"accessed":to_seconds!(metadata.accessed()),
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"created":to_seconds!(metadata.created()),
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// Following are only valid under Unix.
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"dev": usm!(dev),
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"ino": usm!(ino),
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"mode": usm!(mode),
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"nlink": usm!(nlink),
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"uid": usm!(uid),
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"gid": usm!(gid),
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"rdev": usm!(rdev),
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// TODO(kevinkassimo): *time_nsec requires BigInt.
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// Probably should be treated as String if we need to add them.
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"blksize": usm!(blksize),
|
|
"blocks": usm!(blocks),
|
|
});
|
|
|
|
// "name" is an optional field by our design.
|
|
if let Some(name) = maybe_name {
|
|
if let serde_json::Value::Object(ref mut m) = json_val {
|
|
m.insert("name".to_owned(), json!(name));
|
|
}
|
|
}
|
|
|
|
Ok(json_val)
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct StatArgs {
|
|
promise_id: Option<u64>,
|
|
path: String,
|
|
lstat: bool,
|
|
}
|
|
|
|
fn op_stat(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: StatArgs = serde_json::from_value(args)?;
|
|
let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
|
|
let lstat = args.lstat;
|
|
|
|
state.check_read(&path)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_stat {} {}", path.display(), lstat);
|
|
let metadata = if lstat {
|
|
fs::symlink_metadata(&path)?
|
|
} else {
|
|
fs::metadata(&path)?
|
|
};
|
|
get_stat_json(metadata, None)
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct RealpathArgs {
|
|
promise_id: Option<u64>,
|
|
path: String,
|
|
}
|
|
|
|
fn op_realpath(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: RealpathArgs = serde_json::from_value(args)?;
|
|
let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
|
|
|
|
state.check_read(&path)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_realpath {}", path.display());
|
|
// corresponds to the realpath on Unix and
|
|
// CreateFile and GetFinalPathNameByHandle on Windows
|
|
let realpath = fs::canonicalize(&path)?;
|
|
let mut realpath_str =
|
|
realpath.to_str().unwrap().to_owned().replace("\\", "/");
|
|
if cfg!(windows) {
|
|
realpath_str = realpath_str.trim_start_matches("//?/").to_string();
|
|
}
|
|
Ok(json!(realpath_str))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct ReadDirArgs {
|
|
promise_id: Option<u64>,
|
|
path: String,
|
|
}
|
|
|
|
fn op_read_dir(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: ReadDirArgs = serde_json::from_value(args)?;
|
|
let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
|
|
|
|
state.check_read(&path)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_read_dir {}", path.display());
|
|
let entries: Vec<_> = fs::read_dir(path)?
|
|
.filter_map(|entry| {
|
|
let entry = entry.unwrap();
|
|
let metadata = entry.metadata().unwrap();
|
|
// Not all filenames can be encoded as UTF-8. Skip those for now.
|
|
if let Some(filename) = entry.file_name().to_str() {
|
|
let filename = Some(filename.to_owned());
|
|
Some(get_stat_json(metadata, filename).unwrap())
|
|
} else {
|
|
None
|
|
}
|
|
})
|
|
.collect();
|
|
|
|
Ok(json!({ "entries": entries }))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct RenameArgs {
|
|
promise_id: Option<u64>,
|
|
oldpath: String,
|
|
newpath: String,
|
|
}
|
|
|
|
fn op_rename(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: RenameArgs = serde_json::from_value(args)?;
|
|
let oldpath = deno_fs::resolve_from_cwd(Path::new(&args.oldpath))?;
|
|
let newpath = deno_fs::resolve_from_cwd(Path::new(&args.newpath))?;
|
|
|
|
state.check_read(&oldpath)?;
|
|
state.check_write(&oldpath)?;
|
|
state.check_write(&newpath)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_rename {} {}", oldpath.display(), newpath.display());
|
|
fs::rename(&oldpath, &newpath)?;
|
|
Ok(json!({}))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct LinkArgs {
|
|
promise_id: Option<u64>,
|
|
oldname: String,
|
|
newname: String,
|
|
}
|
|
|
|
fn op_link(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: LinkArgs = serde_json::from_value(args)?;
|
|
let oldname = deno_fs::resolve_from_cwd(Path::new(&args.oldname))?;
|
|
let newname = deno_fs::resolve_from_cwd(Path::new(&args.newname))?;
|
|
|
|
state.check_read(&oldname)?;
|
|
state.check_write(&newname)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_link {} {}", oldname.display(), newname.display());
|
|
std::fs::hard_link(&oldname, &newname)?;
|
|
Ok(json!({}))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct SymlinkArgs {
|
|
promise_id: Option<u64>,
|
|
oldname: String,
|
|
newname: String,
|
|
}
|
|
|
|
fn op_symlink(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: SymlinkArgs = serde_json::from_value(args)?;
|
|
let oldname = deno_fs::resolve_from_cwd(Path::new(&args.oldname))?;
|
|
let newname = deno_fs::resolve_from_cwd(Path::new(&args.newname))?;
|
|
|
|
state.check_write(&newname)?;
|
|
// TODO Use type for Windows.
|
|
if cfg!(not(unix)) {
|
|
return Err(OpError::other("Not implemented".to_string()));
|
|
}
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_symlink {} {}", oldname.display(), newname.display());
|
|
#[cfg(unix)]
|
|
std::os::unix::fs::symlink(&oldname, &newname)?;
|
|
Ok(json!({}))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct ReadLinkArgs {
|
|
promise_id: Option<u64>,
|
|
path: String,
|
|
}
|
|
|
|
fn op_read_link(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: ReadLinkArgs = serde_json::from_value(args)?;
|
|
let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
|
|
|
|
state.check_read(&path)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_read_link {}", path.display());
|
|
let path = fs::read_link(&path)?;
|
|
let path_str = path.to_str().unwrap();
|
|
|
|
Ok(json!(path_str))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct TruncateArgs {
|
|
promise_id: Option<u64>,
|
|
path: String,
|
|
len: u64,
|
|
}
|
|
|
|
fn op_truncate(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: TruncateArgs = serde_json::from_value(args)?;
|
|
let path = deno_fs::resolve_from_cwd(Path::new(&args.path))?;
|
|
let len = args.len;
|
|
|
|
state.check_write(&path)?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_truncate {} {}", path.display(), len);
|
|
let f = fs::OpenOptions::new().write(true).open(&path)?;
|
|
f.set_len(len)?;
|
|
Ok(json!({}))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct MakeTempArgs {
|
|
promise_id: Option<u64>,
|
|
dir: Option<String>,
|
|
prefix: Option<String>,
|
|
suffix: Option<String>,
|
|
}
|
|
|
|
fn op_make_temp_dir(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: MakeTempArgs = serde_json::from_value(args)?;
|
|
|
|
let dir = args
|
|
.dir
|
|
.map(|s| deno_fs::resolve_from_cwd(Path::new(&s)).unwrap());
|
|
let prefix = args.prefix.map(String::from);
|
|
let suffix = args.suffix.map(String::from);
|
|
|
|
state
|
|
.check_write(dir.clone().unwrap_or_else(std::env::temp_dir).as_path())?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
// TODO(piscisaureus): use byte vector for paths, not a string.
|
|
// See https://github.com/denoland/deno/issues/627.
|
|
// We can't assume that paths are always valid utf8 strings.
|
|
let path = deno_fs::make_temp(
|
|
// Converting Option<String> to Option<&str>
|
|
dir.as_ref().map(|x| &**x),
|
|
prefix.as_ref().map(|x| &**x),
|
|
suffix.as_ref().map(|x| &**x),
|
|
true,
|
|
)?;
|
|
let path_str = path.to_str().unwrap();
|
|
|
|
Ok(json!(path_str))
|
|
})
|
|
}
|
|
|
|
fn op_make_temp_file(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: MakeTempArgs = serde_json::from_value(args)?;
|
|
|
|
let dir = args
|
|
.dir
|
|
.map(|s| deno_fs::resolve_from_cwd(Path::new(&s)).unwrap());
|
|
let prefix = args.prefix.map(String::from);
|
|
let suffix = args.suffix.map(String::from);
|
|
|
|
state
|
|
.check_write(dir.clone().unwrap_or_else(std::env::temp_dir).as_path())?;
|
|
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
// TODO(piscisaureus): use byte vector for paths, not a string.
|
|
// See https://github.com/denoland/deno/issues/627.
|
|
// We can't assume that paths are always valid utf8 strings.
|
|
let path = deno_fs::make_temp(
|
|
// Converting Option<String> to Option<&str>
|
|
dir.as_ref().map(|x| &**x),
|
|
prefix.as_ref().map(|x| &**x),
|
|
suffix.as_ref().map(|x| &**x),
|
|
false,
|
|
)?;
|
|
let path_str = path.to_str().unwrap();
|
|
|
|
Ok(json!(path_str))
|
|
})
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct UtimeArgs {
|
|
promise_id: Option<u64>,
|
|
path: String,
|
|
atime: u64,
|
|
mtime: u64,
|
|
}
|
|
|
|
fn op_utime(
|
|
state: &State,
|
|
args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let args: UtimeArgs = serde_json::from_value(args)?;
|
|
state.check_write(Path::new(&args.path))?;
|
|
let is_sync = args.promise_id.is_none();
|
|
blocking_json(is_sync, move || {
|
|
debug!("op_utime {} {} {}", args.path, args.atime, args.mtime);
|
|
utime::set_file_times(args.path, args.atime, args.mtime)?;
|
|
Ok(json!({}))
|
|
})
|
|
}
|
|
|
|
fn op_cwd(
|
|
_state: &State,
|
|
_args: Value,
|
|
_zero_copy: Option<ZeroCopyBuf>,
|
|
) -> Result<JsonOp, OpError> {
|
|
let path = std::env::current_dir()?;
|
|
let path_str = path.into_os_string().into_string().unwrap();
|
|
Ok(JsonOp::Sync(json!(path_str)))
|
|
}
|