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5b4a9b48ae
We can make `NodePermissions` rely on interior mutability (which the `PermissionsContainer` is already doing) in order to not have to clone everything all the time. This also reduces the chance of an accidental `borrow` while `borrrow_mut`.
140 lines
3.8 KiB
Rust
140 lines
3.8 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use std::io::ErrorKind;
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use std::path::Path;
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use std::path::PathBuf;
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use std::sync::Arc;
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use async_trait::async_trait;
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use deno_ast::ModuleSpecifier;
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use deno_core::error::AnyError;
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use deno_core::futures;
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use deno_core::url::Url;
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use deno_npm::NpmPackageId;
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use deno_npm::NpmResolutionPackage;
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use deno_runtime::deno_node::NodePermissions;
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use deno_runtime::deno_node::NodeResolutionMode;
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use crate::npm::cache::should_sync_download;
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use crate::npm::NpmCache;
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/// Part of the resolution that interacts with the file system.
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#[async_trait]
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pub trait NpmPackageFsResolver: Send + Sync {
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/// Specifier for the root directory.
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fn root_dir_url(&self) -> &Url;
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/// The local node_modules folder if it is applicable to the implementation.
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fn node_modules_path(&self) -> Option<PathBuf>;
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fn package_folder(
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&self,
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package_id: &NpmPackageId,
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) -> Result<PathBuf, AnyError>;
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fn resolve_package_folder_from_package(
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&self,
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name: &str,
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referrer: &ModuleSpecifier,
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mode: NodeResolutionMode,
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) -> Result<PathBuf, AnyError>;
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fn resolve_package_folder_from_specifier(
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&self,
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specifier: &ModuleSpecifier,
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) -> Result<PathBuf, AnyError>;
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async fn cache_packages(&self) -> Result<(), AnyError>;
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fn ensure_read_permission(
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&self,
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permissions: &dyn NodePermissions,
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path: &Path,
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) -> Result<(), AnyError>;
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}
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/// Caches all the packages in parallel.
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pub async fn cache_packages(
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mut packages: Vec<NpmResolutionPackage>,
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cache: &Arc<NpmCache>,
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registry_url: &Url,
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) -> Result<(), AnyError> {
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let sync_download = should_sync_download();
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if sync_download {
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// we're running the tests not with --quiet
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// and we want the output to be deterministic
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packages.sort_by(|a, b| a.pkg_id.cmp(&b.pkg_id));
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}
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let mut handles = Vec::with_capacity(packages.len());
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for package in packages {
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assert_eq!(package.copy_index, 0); // the caller should not provide any of these
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let cache = cache.clone();
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let registry_url = registry_url.clone();
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let handle = tokio::task::spawn(async move {
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cache
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.ensure_package(&package.pkg_id.nv, &package.dist, ®istry_url)
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.await
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});
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if sync_download {
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handle.await??;
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} else {
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handles.push(handle);
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}
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}
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let results = futures::future::join_all(handles).await;
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for result in results {
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// surface the first error
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result??;
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}
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Ok(())
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}
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pub fn ensure_registry_read_permission(
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permissions: &dyn NodePermissions,
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registry_path: &Path,
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path: &Path,
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) -> Result<(), AnyError> {
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// allow reading if it's in the node_modules
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if path.starts_with(registry_path)
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&& path
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.components()
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.all(|c| !matches!(c, std::path::Component::ParentDir))
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{
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// todo(dsherret): cache this?
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if let Ok(registry_path) = std::fs::canonicalize(registry_path) {
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match std::fs::canonicalize(path) {
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Ok(path) if path.starts_with(registry_path) => {
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return Ok(());
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}
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Err(e) if e.kind() == ErrorKind::NotFound => {
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return Ok(());
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}
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_ => {} // ignore
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}
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}
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}
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permissions.check_read(path)
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}
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/// Gets the corresponding @types package for the provided package name.
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pub fn types_package_name(package_name: &str) -> String {
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debug_assert!(!package_name.starts_with("@types/"));
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// Scoped packages will get two underscores for each slash
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// https://github.com/DefinitelyTyped/DefinitelyTyped/tree/15f1ece08f7b498f4b9a2147c2a46e94416ca777#what-about-scoped-packages
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format!("@types/{}", package_name.replace('/', "__"))
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}
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#[cfg(test)]
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mod test {
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use super::types_package_name;
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#[test]
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fn test_types_package_name() {
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assert_eq!(types_package_name("name"), "@types/name");
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assert_eq!(
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types_package_name("@scoped/package"),
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"@types/@scoped__package"
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);
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}
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}
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