mirror of
https://github.com/denoland/deno.git
synced 2024-11-23 15:16:54 -05:00
603 lines
15 KiB
Rust
603 lines
15 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use deno_core::anyhow::Context;
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use deno_core::error::generic_error;
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use deno_core::error::AnyError;
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use deno_core::normalize_path;
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use deno_core::op2;
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use deno_core::url::Url;
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use deno_core::JsRuntimeInspector;
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use deno_core::ModuleSpecifier;
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use deno_core::OpState;
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use deno_fs::FileSystemRc;
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use std::cell::RefCell;
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use std::path::Path;
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use std::path::PathBuf;
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use std::rc::Rc;
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use crate::resolution;
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use crate::NodeModuleKind;
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use crate::NodePermissions;
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use crate::NodeResolutionMode;
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use crate::NodeResolver;
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use crate::NpmResolverRc;
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use crate::PackageJson;
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fn ensure_read_permission<P>(
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state: &mut OpState,
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file_path: &Path,
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) -> Result<(), AnyError>
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where
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P: NodePermissions + 'static,
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{
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let resolver = state.borrow::<NpmResolverRc>();
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let permissions = state.borrow::<P>();
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resolver.ensure_read_permission(permissions, file_path)
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}
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#[op2]
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#[serde]
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pub fn op_require_init_paths() -> Vec<String> {
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// todo(dsherret): this code is node compat mode specific and
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// we probably don't want it for small mammal, so ignore it for now
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// let (home_dir, node_path) = if cfg!(windows) {
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// (
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// std::env::var("USERPROFILE").unwrap_or_else(|_| "".into()),
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// std::env::var("NODE_PATH").unwrap_or_else(|_| "".into()),
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// )
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// } else {
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// (
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// std::env::var("HOME").unwrap_or_else(|_| "".into()),
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// std::env::var("NODE_PATH").unwrap_or_else(|_| "".into()),
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// )
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// };
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// let mut prefix_dir = std::env::current_exe().unwrap();
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// if cfg!(windows) {
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// prefix_dir = prefix_dir.join("..").join("..")
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// } else {
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// prefix_dir = prefix_dir.join("..")
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// }
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// let mut paths = vec![prefix_dir.join("lib").join("node")];
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// if !home_dir.is_empty() {
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// paths.insert(0, PathBuf::from(&home_dir).join(".node_libraries"));
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// paths.insert(0, PathBuf::from(&home_dir).join(".nod_modules"));
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// }
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// let mut paths = paths
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// .into_iter()
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// .map(|p| p.to_string_lossy().to_string())
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// .collect();
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// if !node_path.is_empty() {
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// let delimiter = if cfg!(windows) { ";" } else { ":" };
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// let mut node_paths: Vec<String> = node_path
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// .split(delimiter)
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// .filter(|e| !e.is_empty())
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// .map(|s| s.to_string())
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// .collect();
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// node_paths.append(&mut paths);
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// paths = node_paths;
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// }
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vec![]
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}
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#[op2]
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#[serde]
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pub fn op_require_node_module_paths<P>(
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state: &mut OpState,
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#[string] from: String,
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) -> Result<Vec<String>, AnyError>
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where
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P: NodePermissions + 'static,
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{
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let fs = state.borrow::<FileSystemRc>();
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// Guarantee that "from" is absolute.
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let from = if from.starts_with("file:///") {
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Url::parse(&from)?.to_file_path().unwrap()
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} else {
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deno_core::resolve_path(
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&from,
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&(fs.cwd().map_err(AnyError::from)).context("Unable to get CWD")?,
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)
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.unwrap()
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.to_file_path()
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.unwrap()
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};
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ensure_read_permission::<P>(state, &from)?;
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if cfg!(windows) {
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// return root node_modules when path is 'D:\\'.
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let from_str = from.to_str().unwrap();
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if from_str.len() >= 3 {
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let bytes = from_str.as_bytes();
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if bytes[from_str.len() - 1] == b'\\' && bytes[from_str.len() - 2] == b':'
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{
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let p = from_str.to_owned() + "node_modules";
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return Ok(vec![p]);
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}
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}
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} else {
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// Return early not only to avoid unnecessary work, but to *avoid* returning
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// an array of two items for a root: [ '//node_modules', '/node_modules' ]
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if from.to_string_lossy() == "/" {
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return Ok(vec!["/node_modules".to_string()]);
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}
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}
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let mut paths = vec![];
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let mut current_path = from.as_path();
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let mut maybe_parent = Some(current_path);
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while let Some(parent) = maybe_parent {
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if !parent.ends_with("node_modules") {
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paths.push(parent.join("node_modules").to_string_lossy().to_string());
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}
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current_path = parent;
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maybe_parent = current_path.parent();
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}
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Ok(paths)
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}
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#[op2]
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#[string]
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pub fn op_require_proxy_path(#[string] filename: String) -> String {
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// Allow a directory to be passed as the filename
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let trailing_slash = if cfg!(windows) {
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// Node also counts a trailing forward slash as a
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// directory for node on Windows, but not backslashes
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// on non-Windows platforms
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filename.ends_with('\\') || filename.ends_with('/')
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} else {
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filename.ends_with('/')
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};
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if trailing_slash {
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let p = PathBuf::from(filename);
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p.join("noop.js").to_string_lossy().to_string()
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} else {
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filename
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}
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}
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#[op2(fast)]
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pub fn op_require_is_request_relative(#[string] request: String) -> bool {
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if request.starts_with("./") || request.starts_with("../") || request == ".."
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{
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return true;
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}
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if cfg!(windows) {
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if request.starts_with(".\\") {
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return true;
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}
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if request.starts_with("..\\") {
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return true;
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}
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}
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false
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}
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#[op2]
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#[string]
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pub fn op_require_resolve_deno_dir(
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state: &mut OpState,
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#[string] request: String,
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#[string] parent_filename: String,
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) -> Option<String> {
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let resolver = state.borrow::<NpmResolverRc>();
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resolver
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.resolve_package_folder_from_package(
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&request,
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&ModuleSpecifier::from_file_path(parent_filename).unwrap(),
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NodeResolutionMode::Execution,
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)
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.ok()
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.map(|p| p.to_string_lossy().to_string())
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}
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#[op2(fast)]
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pub fn op_require_is_deno_dir_package(
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state: &mut OpState,
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#[string] path: String,
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) -> bool {
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let resolver = state.borrow::<NpmResolverRc>();
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resolver.in_npm_package_at_path(&PathBuf::from(path))
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}
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#[op2]
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#[serde]
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pub fn op_require_resolve_lookup_paths(
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#[string] request: String,
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#[serde] maybe_parent_paths: Option<Vec<String>>,
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#[string] parent_filename: String,
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) -> Option<Vec<String>> {
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if !request.starts_with('.')
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|| (request.len() > 1
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&& !request.starts_with("..")
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&& !request.starts_with("./")
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&& (!cfg!(windows) || !request.starts_with(".\\")))
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{
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let module_paths = vec![];
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let mut paths = module_paths;
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if let Some(mut parent_paths) = maybe_parent_paths {
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if !parent_paths.is_empty() {
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paths.append(&mut parent_paths);
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}
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}
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if !paths.is_empty() {
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return Some(paths);
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} else {
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return None;
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}
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}
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// In REPL, parent.filename is null.
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// if (!parent || !parent.id || !parent.filename) {
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// // Make require('./path/to/foo') work - normally the path is taken
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// // from realpath(__filename) but in REPL there is no filename
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// const mainPaths = ['.'];
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// debug('looking for %j in %j', request, mainPaths);
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// return mainPaths;
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// }
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let p = PathBuf::from(parent_filename);
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Some(vec![p.parent().unwrap().to_string_lossy().to_string()])
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}
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#[op2(fast)]
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pub fn op_require_path_is_absolute(#[string] p: String) -> bool {
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PathBuf::from(p).is_absolute()
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}
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#[op2(fast)]
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pub fn op_require_stat<P>(
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state: &mut OpState,
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#[string] path: String,
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) -> Result<i32, AnyError>
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where
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P: NodePermissions + 'static,
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{
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let path = PathBuf::from(path);
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ensure_read_permission::<P>(state, &path)?;
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let fs = state.borrow::<FileSystemRc>();
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if let Ok(metadata) = fs.stat_sync(&path) {
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if metadata.is_file {
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return Ok(0);
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} else {
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return Ok(1);
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}
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}
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Ok(-1)
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}
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#[op2]
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#[string]
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pub fn op_require_real_path<P>(
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state: &mut OpState,
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#[string] request: String,
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) -> Result<String, AnyError>
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where
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P: NodePermissions + 'static,
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{
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let path = PathBuf::from(request);
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ensure_read_permission::<P>(state, &path)?;
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let fs = state.borrow::<FileSystemRc>();
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let canonicalized_path =
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deno_core::strip_unc_prefix(fs.realpath_sync(&path)?);
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Ok(canonicalized_path.to_string_lossy().to_string())
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}
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fn path_resolve(parts: Vec<String>) -> String {
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assert!(!parts.is_empty());
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let mut p = PathBuf::from(&parts[0]);
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if parts.len() > 1 {
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for part in &parts[1..] {
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p = p.join(part);
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}
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}
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normalize_path(p).to_string_lossy().to_string()
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}
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#[op2]
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#[string]
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pub fn op_require_path_resolve(#[serde] parts: Vec<String>) -> String {
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path_resolve(parts)
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}
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#[op2]
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#[string]
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pub fn op_require_path_dirname(
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#[string] request: String,
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) -> Result<String, AnyError> {
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let p = PathBuf::from(request);
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if let Some(parent) = p.parent() {
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Ok(parent.to_string_lossy().to_string())
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} else {
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Err(generic_error("Path doesn't have a parent"))
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}
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}
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#[op2]
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#[string]
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pub fn op_require_path_basename(
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#[string] request: String,
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) -> Result<String, AnyError> {
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let p = PathBuf::from(request);
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if let Some(path) = p.file_name() {
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Ok(path.to_string_lossy().to_string())
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} else {
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Err(generic_error("Path doesn't have a file name"))
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}
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}
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#[op2]
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#[string]
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pub fn op_require_try_self_parent_path<P>(
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state: &mut OpState,
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has_parent: bool,
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#[string] maybe_parent_filename: Option<String>,
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#[string] maybe_parent_id: Option<String>,
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) -> Result<Option<String>, AnyError>
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where
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P: NodePermissions + 'static,
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{
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if !has_parent {
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return Ok(None);
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}
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if let Some(parent_filename) = maybe_parent_filename {
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return Ok(Some(parent_filename));
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}
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if let Some(parent_id) = maybe_parent_id {
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if parent_id == "<repl>" || parent_id == "internal/preload" {
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let fs = state.borrow::<FileSystemRc>();
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if let Ok(cwd) = fs.cwd() {
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ensure_read_permission::<P>(state, &cwd)?;
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return Ok(Some(cwd.to_string_lossy().to_string()));
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}
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}
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}
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Ok(None)
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}
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#[op2]
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#[string]
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pub fn op_require_try_self<P>(
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state: &mut OpState,
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#[string] parent_path: Option<String>,
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#[string] request: String,
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) -> Result<Option<String>, AnyError>
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where
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P: NodePermissions + 'static,
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{
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if parent_path.is_none() {
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return Ok(None);
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}
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let node_resolver = state.borrow::<Rc<NodeResolver>>();
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let permissions = state.borrow::<P>();
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let pkg = node_resolver
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.get_package_scope_config(
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&Url::from_file_path(parent_path.unwrap()).unwrap(),
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permissions,
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)
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.ok()
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.flatten();
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if pkg.is_none() {
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return Ok(None);
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}
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let pkg = pkg.unwrap();
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if pkg.exports.is_none() {
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return Ok(None);
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}
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if pkg.name.is_none() {
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return Ok(None);
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}
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let pkg_name = pkg.name.as_ref().unwrap().to_string();
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let mut expansion = ".".to_string();
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if request == pkg_name {
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// pass
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} else if request.starts_with(&format!("{pkg_name}/")) {
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expansion += &request[pkg_name.len()..];
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} else {
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return Ok(None);
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}
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let referrer = deno_core::url::Url::from_file_path(&pkg.path).unwrap();
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if let Some(exports) = &pkg.exports {
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node_resolver
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.package_exports_resolve(
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&pkg.path,
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&expansion,
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exports,
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&referrer,
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NodeModuleKind::Cjs,
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resolution::REQUIRE_CONDITIONS,
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NodeResolutionMode::Execution,
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permissions,
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)
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.map(|r| Some(r.to_string_lossy().to_string()))
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} else {
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Ok(None)
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}
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}
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#[op2]
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#[string]
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pub fn op_require_read_file<P>(
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state: &mut OpState,
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#[string] file_path: String,
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) -> Result<String, AnyError>
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where
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P: NodePermissions + 'static,
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{
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let file_path = PathBuf::from(file_path);
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ensure_read_permission::<P>(state, &file_path)?;
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let fs = state.borrow::<FileSystemRc>();
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Ok(fs.read_text_file_sync(&file_path)?)
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}
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#[op2]
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#[string]
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pub fn op_require_as_file_path(#[string] file_or_url: String) -> String {
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if let Ok(url) = Url::parse(&file_or_url) {
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if let Ok(p) = url.to_file_path() {
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return p.to_string_lossy().to_string();
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}
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}
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file_or_url
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}
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#[op2]
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#[string]
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pub fn op_require_resolve_exports<P>(
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state: &mut OpState,
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uses_local_node_modules_dir: bool,
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#[string] modules_path: String,
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#[string] _request: String,
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#[string] name: String,
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#[string] expansion: String,
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#[string] parent_path: String,
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) -> Result<Option<String>, AnyError>
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where
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P: NodePermissions + 'static,
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{
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let fs = state.borrow::<FileSystemRc>();
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let npm_resolver = state.borrow::<NpmResolverRc>();
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let node_resolver = state.borrow::<Rc<NodeResolver>>();
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let permissions = state.borrow::<P>();
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let pkg_path = if npm_resolver
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.in_npm_package_at_path(&PathBuf::from(&modules_path))
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&& !uses_local_node_modules_dir
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{
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modules_path
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} else {
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let original = modules_path.clone();
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let mod_dir = path_resolve(vec![modules_path, name]);
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if fs.is_dir_sync(Path::new(&mod_dir)) {
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mod_dir
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} else {
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original
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}
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};
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let pkg = node_resolver.load_package_json(
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permissions,
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PathBuf::from(&pkg_path).join("package.json"),
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)?;
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if let Some(exports) = &pkg.exports {
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let referrer = Url::from_file_path(parent_path).unwrap();
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node_resolver
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.package_exports_resolve(
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&pkg.path,
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&format!(".{expansion}"),
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exports,
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&referrer,
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NodeModuleKind::Cjs,
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resolution::REQUIRE_CONDITIONS,
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NodeResolutionMode::Execution,
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permissions,
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)
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.map(|r| Some(r.to_string_lossy().to_string()))
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} else {
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Ok(None)
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}
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}
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#[op2]
|
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#[serde]
|
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pub fn op_require_read_closest_package_json<P>(
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state: &mut OpState,
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#[string] filename: String,
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) -> Result<Option<PackageJson>, AnyError>
|
|
where
|
|
P: NodePermissions + 'static,
|
|
{
|
|
ensure_read_permission::<P>(
|
|
state,
|
|
PathBuf::from(&filename).parent().unwrap(),
|
|
)?;
|
|
let node_resolver = state.borrow::<Rc<NodeResolver>>();
|
|
let permissions = state.borrow::<P>();
|
|
node_resolver.get_closest_package_json(
|
|
&Url::from_file_path(filename).unwrap(),
|
|
permissions,
|
|
)
|
|
}
|
|
|
|
#[op2]
|
|
#[serde]
|
|
pub fn op_require_read_package_scope<P>(
|
|
state: &mut OpState,
|
|
#[string] package_json_path: String,
|
|
) -> Option<PackageJson>
|
|
where
|
|
P: NodePermissions + 'static,
|
|
{
|
|
let node_resolver = state.borrow::<Rc<NodeResolver>>();
|
|
let permissions = state.borrow::<P>();
|
|
let package_json_path = PathBuf::from(package_json_path);
|
|
node_resolver
|
|
.load_package_json(permissions, package_json_path)
|
|
.ok()
|
|
}
|
|
|
|
#[op2]
|
|
#[string]
|
|
pub fn op_require_package_imports_resolve<P>(
|
|
state: &mut OpState,
|
|
#[string] parent_filename: String,
|
|
#[string] request: String,
|
|
) -> Result<Option<String>, AnyError>
|
|
where
|
|
P: NodePermissions + 'static,
|
|
{
|
|
let parent_path = PathBuf::from(&parent_filename);
|
|
ensure_read_permission::<P>(state, &parent_path)?;
|
|
let node_resolver = state.borrow::<Rc<NodeResolver>>();
|
|
let permissions = state.borrow::<P>();
|
|
let pkg = node_resolver
|
|
.load_package_json(permissions, parent_path.join("package.json"))?;
|
|
|
|
if pkg.imports.is_some() {
|
|
let referrer =
|
|
deno_core::url::Url::from_file_path(&parent_filename).unwrap();
|
|
node_resolver
|
|
.package_imports_resolve(
|
|
&request,
|
|
&referrer,
|
|
NodeModuleKind::Cjs,
|
|
resolution::REQUIRE_CONDITIONS,
|
|
NodeResolutionMode::Execution,
|
|
permissions,
|
|
)
|
|
.map(|r| Some(Url::from_file_path(r).unwrap().to_string()))
|
|
} else {
|
|
Ok(None)
|
|
}
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_require_break_on_next_statement(state: &mut OpState) {
|
|
let inspector = state.borrow::<Rc<RefCell<JsRuntimeInspector>>>();
|
|
inspector
|
|
.borrow_mut()
|
|
.wait_for_session_and_break_on_next_statement()
|
|
}
|