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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{Deserialize, JsonOp, Value};
use crate::colors;
use crate::fs as deno_fs;
use crate::ops::json_op;
use crate::state::ThreadSafeState;
use crate::version;
use atty;
use deno::*;
use std::collections::HashMap;
use std::env;
use sys_info;
use url::Url;
/// BUILD_OS and BUILD_ARCH match the values in Deno.build. See js/build.ts.
#[cfg(target_os = "macos")]
static BUILD_OS: &str = "mac";
#[cfg(target_os = "linux")]
static BUILD_OS: &str = "linux";
#[cfg(target_os = "windows")]
static BUILD_OS: &str = "win";
#[cfg(target_arch = "x86_64")]
static BUILD_ARCH: &str = "x64";
pub fn init(i: &mut Isolate, s: &ThreadSafeState) {
i.register_op("exit", s.core_op(json_op(s.stateful_op(op_exit))));
i.register_op("is_tty", s.core_op(json_op(s.stateful_op(op_is_tty))));
i.register_op("env", s.core_op(json_op(s.stateful_op(op_env))));
i.register_op("exec_path", s.core_op(json_op(s.stateful_op(op_exec_path))));
i.register_op("set_env", s.core_op(json_op(s.stateful_op(op_set_env))));
i.register_op("get_env", s.core_op(json_op(s.stateful_op(op_get_env))));
i.register_op("home_dir", s.core_op(json_op(s.stateful_op(op_home_dir))));
i.register_op("hostname", s.core_op(json_op(s.stateful_op(op_hostname))));
i.register_op("start", s.core_op(json_op(s.stateful_op(op_start))));
}
fn op_start(
state: &ThreadSafeState,
_args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let gs = &state.global_state;
Ok(JsonOp::Sync(json!({
"cwd": deno_fs::normalize_path(&env::current_dir().unwrap()),
"pid": std::process::id(),
"argv": gs.flags.argv,
"mainModule": gs.main_module.as_ref().map(|x| x.to_string()),
"debugFlag": gs.flags.log_level.map_or(false, |l| l == log::Level::Debug),
"versionFlag": gs.flags.version,
"v8Version": version::v8(),
"denoVersion": version::DENO,
"tsVersion": version::TYPESCRIPT,
"noColor": !colors::use_color(),
"os": BUILD_OS,
"arch": BUILD_ARCH,
})))
}
fn op_home_dir(
state: &ThreadSafeState,
_args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
state.check_env()?;
let path = dirs::home_dir()
.unwrap_or_default()
.into_os_string()
.into_string()
.unwrap_or_default();
Ok(JsonOp::Sync(json!(path)))
}
fn op_exec_path(
state: &ThreadSafeState,
_args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
state.check_env()?;
let current_exe = env::current_exe().unwrap();
// Now apply URL parser to current exe to get fully resolved path, otherwise
// we might get `./` and `../` bits in `exec_path`
let exe_url = Url::from_file_path(current_exe).unwrap();
let path = exe_url.to_file_path().unwrap();
Ok(JsonOp::Sync(json!(path)))
}
#[derive(Deserialize)]
struct SetEnv {
key: String,
value: String,
}
fn op_set_env(
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: SetEnv = serde_json::from_value(args)?;
state.check_env()?;
env::set_var(args.key, args.value);
Ok(JsonOp::Sync(json!({})))
}
fn op_env(
state: &ThreadSafeState,
_args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
state.check_env()?;
let v = env::vars().collect::<HashMap<String, String>>();
Ok(JsonOp::Sync(json!(v)))
}
#[derive(Deserialize)]
struct GetEnv {
key: String,
}
fn op_get_env(
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: GetEnv = serde_json::from_value(args)?;
state.check_env()?;
let r = match env::var(args.key) {
Err(env::VarError::NotPresent) => json!([]),
v => json!([v?]),
};
Ok(JsonOp::Sync(r))
}
#[derive(Deserialize)]
struct Exit {
code: i32,
}
fn op_exit(
_s: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: Exit = serde_json::from_value(args)?;
std::process::exit(args.code)
}
fn op_is_tty(
_s: &ThreadSafeState,
_args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
Ok(JsonOp::Sync(json!({
"stdin": atty::is(atty::Stream::Stdin),
"stdout": atty::is(atty::Stream::Stdout),
"stderr": atty::is(atty::Stream::Stderr),
})))
}
fn op_hostname(
state: &ThreadSafeState,
_args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
state.check_env()?;
let hostname = sys_info::hostname().unwrap_or_else(|_| "".to_owned());
Ok(JsonOp::Sync(json!(hostname)))
}
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