mirror of
https://github.com/denoland/deno.git
synced 2024-10-31 09:14:20 -04:00
382 lines
11 KiB
Rust
382 lines
11 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use crate::flags::DenoFlags;
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use regex::{Regex, RegexBuilder};
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use std::env;
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use std::fs;
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use std::fs::File;
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use std::io::Error;
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use std::io::ErrorKind;
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use std::io::Write;
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#[cfg(not(windows))]
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use std::os::unix::fs::PermissionsExt;
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use std::path::PathBuf;
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use url::Url;
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lazy_static! {
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static ref EXEC_NAME_RE: Regex = RegexBuilder::new(
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r"^[a-z][\w-]*$"
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).case_insensitive(true).build().unwrap();
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// Regular expression to test disk driver letter. eg "C:\\User\username\path\to"
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static ref DRIVE_LETTER_REG: Regex = RegexBuilder::new(
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r"^[c-z]:"
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).case_insensitive(true).build().unwrap();
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}
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pub fn is_remote_url(module_url: &str) -> bool {
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module_url.starts_with("http://") || module_url.starts_with("https://")
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}
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fn validate_exec_name(exec_name: &str) -> Result<(), Error> {
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if EXEC_NAME_RE.is_match(exec_name) {
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Ok(())
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} else {
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Err(Error::new(
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ErrorKind::Other,
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format!("Invalid module name: {}", exec_name),
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))
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}
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}
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#[cfg(windows)]
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/// On Windows if user is using Powershell .cmd extension is need to run the
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/// installed module.
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/// Generate batch script to satisfy that.
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fn generate_executable_file(
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file_path: PathBuf,
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args: Vec<String>,
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) -> Result<(), Error> {
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let args: Vec<String> = args.iter().map(|c| format!("\"{}\"", c)).collect();
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let template = format!(
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"% generated by deno install %\ndeno.exe {} %*\n",
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args.join(" ")
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);
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let mut file = File::create(&file_path)?;
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file.write_all(template.as_bytes())?;
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Ok(())
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}
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#[cfg(not(windows))]
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fn generate_executable_file(
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file_path: PathBuf,
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args: Vec<String>,
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) -> Result<(), Error> {
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let args: Vec<String> = args.iter().map(|c| format!("\"{}\"", c)).collect();
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let template = format!(
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r#"#!/bin/sh
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# generated by deno install
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deno {} "$@"
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"#,
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args.join(" "),
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);
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let mut file = File::create(&file_path)?;
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file.write_all(template.as_bytes())?;
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let _metadata = fs::metadata(&file_path)?;
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let mut permissions = _metadata.permissions();
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permissions.set_mode(0o755);
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fs::set_permissions(&file_path, permissions)?;
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Ok(())
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}
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fn get_installer_dir() -> Result<PathBuf, Error> {
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// In Windows's Powershell $HOME environmental variable maybe null
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// if so use $USERPROFILE instead.
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let home = env::var("HOME")
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.map(String::into)
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.unwrap_or_else(|_| "".to_string());
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let user_profile = env::var("USERPROFILE")
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.map(String::into)
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.unwrap_or_else(|_| "".to_string());
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if home.is_empty() && user_profile.is_empty() {
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return Err(Error::new(ErrorKind::Other, "$HOME is not defined"));
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}
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let home_path = if !home.is_empty() { home } else { user_profile };
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let mut home_path = PathBuf::from(home_path);
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home_path.push(".deno");
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home_path.push("bin");
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Ok(home_path)
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}
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pub fn install(
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flags: DenoFlags,
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installation_dir: Option<PathBuf>,
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exec_name: &str,
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module_url: &str,
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args: Vec<String>,
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force: bool,
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) -> Result<(), Error> {
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let installation_dir = if let Some(dir) = installation_dir {
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dir.canonicalize()?
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} else {
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get_installer_dir()?
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};
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// ensure directory exists
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if let Ok(metadata) = fs::metadata(&installation_dir) {
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if !metadata.is_dir() {
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return Err(Error::new(
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ErrorKind::Other,
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"Installation path is not a directory",
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));
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}
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} else {
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fs::create_dir_all(&installation_dir)?;
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};
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// Check if module_url is remote
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let module_url = if is_remote_url(module_url) {
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Url::parse(module_url).expect("Should be valid url")
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} else {
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let module_path = PathBuf::from(module_url);
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let module_path = if module_path.is_absolute() {
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module_path
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} else {
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let cwd = env::current_dir().unwrap();
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cwd.join(module_path)
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};
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Url::from_file_path(module_path).expect("Path should be absolute")
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};
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validate_exec_name(exec_name)?;
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let mut file_path = installation_dir.join(exec_name);
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if cfg!(windows) {
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file_path = file_path.with_extension(".cmd");
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}
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if file_path.exists() && !force {
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return Err(Error::new(
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ErrorKind::Other,
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"Existing installation found. Aborting (Use -f to overwrite)",
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));
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};
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let mut executable_args = vec!["run".to_string()];
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executable_args.extend_from_slice(&flags.to_permission_args());
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if let Some(ca_file) = flags.ca_file {
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executable_args.push("--cert".to_string());
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executable_args.push(ca_file)
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}
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executable_args.push(module_url.to_string());
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executable_args.extend_from_slice(&args);
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generate_executable_file(file_path.to_owned(), executable_args)?;
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println!("✅ Successfully installed {}", exec_name);
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println!("{}", file_path.to_string_lossy());
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let installation_dir_str = installation_dir.to_string_lossy();
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if !is_in_path(&installation_dir) {
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println!("ℹ️ Add {} to PATH", installation_dir_str);
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if cfg!(windows) {
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println!(" set PATH=%PATH%;{}", installation_dir_str);
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} else {
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println!(" export PATH=\"{}:$PATH\"", installation_dir_str);
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}
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}
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Ok(())
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}
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fn is_in_path(dir: &PathBuf) -> bool {
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if let Some(paths) = env::var_os("PATH") {
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for p in env::split_paths(&paths) {
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if *dir == p {
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return true;
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}
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}
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}
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false
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use tempfile::TempDir;
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#[test]
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fn test_is_remote_url() {
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assert!(is_remote_url("https://deno.land/std/http/file_server.ts"));
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assert!(is_remote_url("http://deno.land/std/http/file_server.ts"));
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assert!(!is_remote_url("file:///dev/deno_std/http/file_server.ts"));
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assert!(!is_remote_url("./dev/deno_std/http/file_server.ts"));
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}
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#[test]
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fn install_basic() {
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let temp_dir = TempDir::new().expect("tempdir fail");
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let temp_dir_str = temp_dir.path().to_string_lossy().to_string();
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// NOTE: this test overrides environmental variables
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// don't add other tests in this file that mess with "HOME" and "USEPROFILE"
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// otherwise transient failures are possible because tests are run in parallel.
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// It means that other test can override env vars when this test is running.
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let original_home = env::var_os("HOME");
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let original_user_profile = env::var_os("HOME");
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env::set_var("HOME", &temp_dir_str);
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env::set_var("USERPROFILE", &temp_dir_str);
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install(
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DenoFlags::default(),
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None,
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"echo_test",
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"http://localhost:4545/cli/tests/echo_server.ts",
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vec![],
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false,
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)
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.expect("Install failed");
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let mut file_path = temp_dir.path().join(".deno/bin/echo_test");
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if cfg!(windows) {
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file_path = file_path.with_extension(".cmd");
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}
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assert!(file_path.exists());
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let content = fs::read_to_string(file_path).unwrap();
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// It's annoying when shell scripts don't have NL at the end.
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assert_eq!(content.chars().last().unwrap(), '\n');
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assert!(content
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.contains(r#""run" "http://localhost:4545/cli/tests/echo_server.ts""#));
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if let Some(home) = original_home {
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env::set_var("HOME", home);
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}
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if let Some(user_profile) = original_user_profile {
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env::set_var("USERPROFILE", user_profile);
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}
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}
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#[test]
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fn install_custom_dir() {
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let temp_dir = TempDir::new().expect("tempdir fail");
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install(
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DenoFlags::default(),
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Some(temp_dir.path().to_path_buf()),
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"echo_test",
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"http://localhost:4545/cli/tests/echo_server.ts",
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vec![],
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false,
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)
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.expect("Install failed");
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let mut file_path = temp_dir.path().join("echo_test");
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if cfg!(windows) {
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file_path = file_path.with_extension(".cmd");
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}
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assert!(file_path.exists());
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let content = fs::read_to_string(file_path).unwrap();
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assert!(content
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.contains(r#""run" "http://localhost:4545/cli/tests/echo_server.ts""#));
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}
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#[test]
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fn install_with_flags() {
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let temp_dir = TempDir::new().expect("tempdir fail");
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install(
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DenoFlags {
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allow_net: true,
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allow_read: true,
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..DenoFlags::default()
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},
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Some(temp_dir.path().to_path_buf()),
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"echo_test",
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"http://localhost:4545/cli/tests/echo_server.ts",
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vec!["--foobar".to_string()],
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false,
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)
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.expect("Install failed");
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let mut file_path = temp_dir.path().join("echo_test");
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if cfg!(windows) {
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file_path = file_path.with_extension(".cmd");
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}
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assert!(file_path.exists());
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let content = fs::read_to_string(file_path).unwrap();
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assert!(content.contains(r#""run" "--allow-read" "--allow-net" "http://localhost:4545/cli/tests/echo_server.ts" "--foobar""#));
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}
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#[test]
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fn install_local_module() {
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let temp_dir = TempDir::new().expect("tempdir fail");
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let local_module = env::current_dir().unwrap().join("echo_server.ts");
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let local_module_url = Url::from_file_path(&local_module).unwrap();
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let local_module_str = local_module.to_string_lossy();
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install(
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DenoFlags::default(),
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Some(temp_dir.path().to_path_buf()),
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"echo_test",
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&local_module_str,
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vec![],
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false,
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)
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.expect("Install failed");
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let mut file_path = temp_dir.path().join("echo_test");
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if cfg!(windows) {
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file_path = file_path.with_extension(".cmd");
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}
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assert!(file_path.exists());
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let content = fs::read_to_string(file_path).unwrap();
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assert!(content.contains(&local_module_url.to_string()));
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}
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#[test]
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fn install_force() {
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let temp_dir = TempDir::new().expect("tempdir fail");
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install(
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DenoFlags::default(),
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Some(temp_dir.path().to_path_buf()),
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"echo_test",
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"http://localhost:4545/cli/tests/echo_server.ts",
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vec![],
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false,
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)
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.expect("Install failed");
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let mut file_path = temp_dir.path().join("echo_test");
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if cfg!(windows) {
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file_path = file_path.with_extension(".cmd");
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}
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assert!(file_path.exists());
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// No force. Install failed.
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let no_force_result = install(
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DenoFlags::default(),
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Some(temp_dir.path().to_path_buf()),
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"echo_test",
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"http://localhost:4545/cli/tests/cat.ts", // using a different URL
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vec![],
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false,
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);
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assert!(no_force_result.is_err());
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assert!(no_force_result
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.unwrap_err()
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.to_string()
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.contains("Existing installation found"));
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// Assert not modified
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let file_content = fs::read_to_string(&file_path).unwrap();
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assert!(file_content.contains("echo_server.ts"));
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// Force. Install success.
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let force_result = install(
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DenoFlags::default(),
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Some(temp_dir.path().to_path_buf()),
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"echo_test",
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"http://localhost:4545/cli/tests/cat.ts", // using a different URL
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vec![],
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true,
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);
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assert!(force_result.is_ok());
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// Assert modified
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let file_content_2 = fs::read_to_string(&file_path).unwrap();
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assert!(file_content_2.contains("cat.ts"));
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}
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}
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