1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-11-25 15:29:32 -05:00
denoland-deno/cli/installer.rs

445 lines
13 KiB
Rust
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::flags::Flags;
use log::Level;
use regex::{Regex, RegexBuilder};
use std::env;
use std::fs;
use std::fs::File;
use std::io::Error;
use std::io::ErrorKind;
use std::io::Write;
#[cfg(not(windows))]
use std::os::unix::fs::PermissionsExt;
use std::path::PathBuf;
use url::Url;
lazy_static! {
static ref EXEC_NAME_RE: Regex = RegexBuilder::new(
r"^[a-z][\w-]*$"
).case_insensitive(true).build().unwrap();
// Regular expression to test disk driver letter. eg "C:\\User\username\path\to"
static ref DRIVE_LETTER_REG: Regex = RegexBuilder::new(
r"^[c-z]:"
).case_insensitive(true).build().unwrap();
}
pub fn is_remote_url(module_url: &str) -> bool {
let lower = module_url.to_lowercase();
lower.starts_with("http://") || lower.starts_with("https://")
}
fn validate_exec_name(exec_name: &str) -> Result<(), Error> {
if EXEC_NAME_RE.is_match(exec_name) {
Ok(())
} else {
Err(Error::new(
ErrorKind::Other,
format!("Invalid module name: {}", exec_name),
))
}
}
#[cfg(windows)]
/// On Windows if user is using Powershell .cmd extension is need to run the
/// installed module.
/// Generate batch script to satisfy that.
fn generate_executable_file(
file_path: PathBuf,
args: Vec<String>,
) -> Result<(), Error> {
let args: Vec<String> = args.iter().map(|c| format!("\"{}\"", c)).collect();
let template = format!(
"% generated by deno install %\n@deno.exe {} %*\n",
args.join(" ")
);
let mut file = File::create(&file_path)?;
file.write_all(template.as_bytes())?;
Ok(())
}
#[cfg(not(windows))]
fn generate_executable_file(
file_path: PathBuf,
args: Vec<String>,
) -> Result<(), Error> {
let args: Vec<String> = args.iter().map(|c| format!("\"{}\"", c)).collect();
let template = format!(
r#"#!/bin/sh
# generated by deno install
deno {} "$@"
"#,
args.join(" "),
);
let mut file = File::create(&file_path)?;
file.write_all(template.as_bytes())?;
let _metadata = fs::metadata(&file_path)?;
let mut permissions = _metadata.permissions();
permissions.set_mode(0o755);
fs::set_permissions(&file_path, permissions)?;
Ok(())
}
fn get_installer_root() -> Result<PathBuf, Error> {
if let Ok(env_dir) = env::var("DENO_INSTALL_ROOT").map(PathBuf::from) {
return env_dir.canonicalize();
}
// In Windows's Powershell $HOME environmental variable maybe null
// if so use $USERPROFILE instead.
let home = env::var("HOME")
.map(String::into)
.unwrap_or_else(|_| "".to_string());
let user_profile = env::var("USERPROFILE")
.map(String::into)
.unwrap_or_else(|_| "".to_string());
if home.is_empty() && user_profile.is_empty() {
return Err(Error::new(ErrorKind::Other, "$HOME is not defined"));
}
let home_path = if !home.is_empty() { home } else { user_profile };
let mut home_path = PathBuf::from(home_path);
home_path.push(".deno");
Ok(home_path)
}
pub fn install(
flags: Flags,
root: Option<PathBuf>,
exec_name: &str,
module_url: &str,
args: Vec<String>,
force: bool,
) -> Result<(), Error> {
let root = if let Some(root) = root {
root.canonicalize()?
} else {
get_installer_root()?
};
let installation_dir = root.join("bin");
// ensure directory exists
if let Ok(metadata) = fs::metadata(&installation_dir) {
if !metadata.is_dir() {
return Err(Error::new(
ErrorKind::Other,
"Installation path is not a directory",
));
}
} else {
fs::create_dir_all(&installation_dir)?;
};
// Check if module_url is remote
let module_url = if is_remote_url(module_url) {
Url::parse(module_url).expect("Should be valid url")
} else {
let module_path = PathBuf::from(module_url);
let module_path = if module_path.is_absolute() {
module_path
} else {
let cwd = env::current_dir().unwrap();
cwd.join(module_path)
};
Url::from_file_path(module_path).expect("Path should be absolute")
};
validate_exec_name(exec_name)?;
let mut file_path = installation_dir.join(exec_name);
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
if file_path.exists() && !force {
return Err(Error::new(
ErrorKind::Other,
"Existing installation found. Aborting (Use -f to overwrite)",
));
};
let mut executable_args = vec!["run".to_string()];
executable_args.extend_from_slice(&flags.to_permission_args());
if let Some(ca_file) = flags.ca_file {
executable_args.push("--cert".to_string());
executable_args.push(ca_file)
}
if let Some(log_level) = flags.log_level {
if log_level == Level::Error {
executable_args.push("--quiet".to_string());
} else {
executable_args.push("--log-level".to_string());
let log_level = match log_level {
Level::Debug => "debug",
Level::Info => "info",
_ => {
return Err(Error::new(
ErrorKind::Other,
format!("invalid log level {}", log_level),
))
}
};
executable_args.push(log_level.to_string());
}
}
executable_args.push(module_url.to_string());
executable_args.extend_from_slice(&args);
generate_executable_file(file_path.to_owned(), executable_args)?;
println!("✅ Successfully installed {}", exec_name);
println!("{}", file_path.to_string_lossy());
let installation_dir_str = installation_dir.to_string_lossy();
if !is_in_path(&installation_dir) {
println!(" Add {} to PATH", installation_dir_str);
if cfg!(windows) {
println!(" set PATH=%PATH%;{}", installation_dir_str);
} else {
println!(" export PATH=\"{}:$PATH\"", installation_dir_str);
}
}
Ok(())
}
fn is_in_path(dir: &PathBuf) -> bool {
if let Some(paths) = env::var_os("PATH") {
for p in env::split_paths(&paths) {
if *dir == p {
return true;
}
}
}
false
}
#[cfg(test)]
mod tests {
use super::*;
use tempfile::TempDir;
#[test]
fn test_is_remote_url() {
assert!(is_remote_url("https://deno.land/std/http/file_server.ts"));
assert!(is_remote_url("http://deno.land/std/http/file_server.ts"));
assert!(is_remote_url("HTTP://deno.land/std/http/file_server.ts"));
assert!(is_remote_url("HTTp://deno.land/std/http/file_server.ts"));
assert!(!is_remote_url("file:///dev/deno_std/http/file_server.ts"));
assert!(!is_remote_url("./dev/deno_std/http/file_server.ts"));
}
#[test]
fn install_basic() {
let temp_dir = TempDir::new().expect("tempdir fail");
let temp_dir_str = temp_dir.path().to_string_lossy().to_string();
// NOTE: this test overrides environmental variables
// don't add other tests in this file that mess with "HOME" and "USEPROFILE"
// otherwise transient failures are possible because tests are run in parallel.
// It means that other test can override env vars when this test is running.
let original_home = env::var_os("HOME");
let original_user_profile = env::var_os("HOME");
env::set_var("HOME", &temp_dir_str);
env::set_var("USERPROFILE", &temp_dir_str);
install(
Flags::default(),
None,
"echo_test",
"http://localhost:4545/cli/tests/echo_server.ts",
vec![],
false,
)
.expect("Install failed");
let mut file_path = temp_dir.path().join(".deno/bin/echo_test");
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
assert!(file_path.exists());
let content = fs::read_to_string(file_path).unwrap();
// It's annoying when shell scripts don't have NL at the end.
assert_eq!(content.chars().last().unwrap(), '\n');
assert!(content
.contains(r#""run" "http://localhost:4545/cli/tests/echo_server.ts""#));
if let Some(home) = original_home {
env::set_var("HOME", home);
}
if let Some(user_profile) = original_user_profile {
env::set_var("USERPROFILE", user_profile);
}
}
#[test]
fn install_custom_dir_option() {
let temp_dir = TempDir::new().expect("tempdir fail");
let bin_dir = temp_dir.path().join("bin");
std::fs::create_dir(&bin_dir).unwrap();
install(
Flags::default(),
Some(temp_dir.path().to_path_buf()),
"echo_test",
"http://localhost:4545/cli/tests/echo_server.ts",
vec![],
false,
)
.expect("Install failed");
let mut file_path = bin_dir.join("echo_test");
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
assert!(file_path.exists());
let content = fs::read_to_string(file_path).unwrap();
assert!(content
.contains(r#""run" "http://localhost:4545/cli/tests/echo_server.ts""#));
}
#[test]
fn install_custom_dir_env_var() {
let temp_dir = TempDir::new().expect("tempdir fail");
let bin_dir = temp_dir.path().join("bin");
std::fs::create_dir(&bin_dir).unwrap();
env::set_var("DENO_INSTALL_ROOT", temp_dir.path().to_path_buf());
install(
Flags::default(),
None,
"echo_test",
"http://localhost:4545/cli/tests/echo_server.ts",
vec![],
false,
)
.expect("Install failed");
let mut file_path = bin_dir.join("echo_test");
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
assert!(file_path.exists());
let content = fs::read_to_string(file_path).unwrap();
assert!(content
.contains(r#""run" "http://localhost:4545/cli/tests/echo_server.ts""#));
}
#[test]
fn install_with_flags() {
let temp_dir = TempDir::new().expect("tempdir fail");
let bin_dir = temp_dir.path().join("bin");
std::fs::create_dir(&bin_dir).unwrap();
install(
Flags {
allow_net: true,
allow_read: true,
log_level: Some(Level::Error),
..Flags::default()
},
Some(temp_dir.path().to_path_buf()),
"echo_test",
"http://localhost:4545/cli/tests/echo_server.ts",
vec!["--foobar".to_string()],
false,
)
.expect("Install failed");
let mut file_path = bin_dir.join("echo_test");
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
assert!(file_path.exists());
let content = fs::read_to_string(file_path).unwrap();
assert!(content.contains(r#""run" "--allow-read" "--allow-net" "--quiet" "http://localhost:4545/cli/tests/echo_server.ts" "--foobar""#));
}
#[test]
fn install_local_module() {
let temp_dir = TempDir::new().expect("tempdir fail");
let bin_dir = temp_dir.path().join("bin");
std::fs::create_dir(&bin_dir).unwrap();
let local_module = env::current_dir().unwrap().join("echo_server.ts");
let local_module_url = Url::from_file_path(&local_module).unwrap();
let local_module_str = local_module.to_string_lossy();
install(
Flags::default(),
Some(temp_dir.path().to_path_buf()),
"echo_test",
&local_module_str,
vec![],
false,
)
.expect("Install failed");
let mut file_path = bin_dir.join("echo_test");
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
assert!(file_path.exists());
let content = fs::read_to_string(file_path).unwrap();
assert!(content.contains(&local_module_url.to_string()));
}
#[test]
fn install_force() {
let temp_dir = TempDir::new().expect("tempdir fail");
let bin_dir = temp_dir.path().join("bin");
std::fs::create_dir(&bin_dir).unwrap();
install(
Flags::default(),
Some(temp_dir.path().to_path_buf()),
"echo_test",
"http://localhost:4545/cli/tests/echo_server.ts",
vec![],
false,
)
.expect("Install failed");
let mut file_path = bin_dir.join("echo_test");
if cfg!(windows) {
file_path = file_path.with_extension("cmd");
}
assert!(file_path.exists());
// No force. Install failed.
let no_force_result = install(
Flags::default(),
Some(temp_dir.path().to_path_buf()),
"echo_test",
"http://localhost:4545/cli/tests/cat.ts", // using a different URL
vec![],
false,
);
assert!(no_force_result.is_err());
assert!(no_force_result
.unwrap_err()
.to_string()
.contains("Existing installation found"));
// Assert not modified
let file_content = fs::read_to_string(&file_path).unwrap();
assert!(file_content.contains("echo_server.ts"));
// Force. Install success.
let force_result = install(
Flags::default(),
Some(temp_dir.path().to_path_buf()),
"echo_test",
"http://localhost:4545/cli/tests/cat.ts", // using a different URL
vec![],
true,
);
assert!(force_result.is_ok());
// Assert modified
let file_content_2 = fs::read_to_string(&file_path).unwrap();
assert!(file_content_2.contains("cat.ts"));
}
}