1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
pub mod bin_entries;
pub mod lifecycle_scripts;
use std::borrow::Cow;
use std::collections::HashMap;
use std::io::ErrorKind;
use std::path::Path;
use std::path::PathBuf;
use std::sync::Arc;
use std::sync::Mutex;
use async_trait::async_trait;
use deno_ast::ModuleSpecifier;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_core::futures;
use deno_core::futures::StreamExt;
use deno_npm::NpmPackageCacheFolderId;
use deno_npm::NpmPackageId;
use deno_npm::NpmResolutionPackage;
use deno_runtime::deno_fs::FileSystem;
use deno_runtime::deno_node::NodePermissions;
use node_resolver::errors::PackageFolderResolveError;
use crate::npm::managed::cache::TarballCache;
/// Part of the resolution that interacts with the file system.
#[async_trait(?Send)]
pub trait NpmPackageFsResolver: Send + Sync {
/// The local node_modules folder if it is applicable to the implementation.
fn node_modules_path(&self) -> Option<&Path>;
fn maybe_package_folder(&self, package_id: &NpmPackageId) -> Option<PathBuf>;
fn package_folder(
&self,
package_id: &NpmPackageId,
) -> Result<PathBuf, AnyError> {
self.maybe_package_folder(package_id).ok_or_else(|| {
deno_core::anyhow::anyhow!(
"Package folder not found for '{}'",
package_id.as_serialized()
)
})
}
fn resolve_package_folder_from_package(
&self,
name: &str,
referrer: &ModuleSpecifier,
) -> Result<PathBuf, PackageFolderResolveError>;
fn resolve_package_cache_folder_id_from_specifier(
&self,
specifier: &ModuleSpecifier,
) -> Result<Option<NpmPackageCacheFolderId>, AnyError>;
async fn cache_packages(&self) -> Result<(), AnyError>;
#[must_use = "the resolved return value to mitigate time-of-check to time-of-use issues"]
fn ensure_read_permission<'a>(
&self,
permissions: &mut dyn NodePermissions,
path: &'a Path,
) -> Result<Cow<'a, Path>, AnyError>;
}
#[derive(Debug)]
pub struct RegistryReadPermissionChecker {
fs: Arc<dyn FileSystem>,
cache: Mutex<HashMap<PathBuf, PathBuf>>,
registry_path: PathBuf,
}
impl RegistryReadPermissionChecker {
pub fn new(fs: Arc<dyn FileSystem>, registry_path: PathBuf) -> Self {
Self {
fs,
registry_path,
cache: Default::default(),
}
}
pub fn ensure_registry_read_permission<'a>(
&self,
permissions: &mut dyn NodePermissions,
path: &'a Path,
) -> Result<Cow<'a, Path>, AnyError> {
if permissions.query_read_all() {
return Ok(Cow::Borrowed(path)); // skip permissions checks below
}
// allow reading if it's in the node_modules
let is_path_in_node_modules = path.starts_with(&self.registry_path)
&& path
.components()
.all(|c| !matches!(c, std::path::Component::ParentDir));
if is_path_in_node_modules {
let mut cache = self.cache.lock().unwrap();
let mut canonicalize =
|path: &Path| -> Result<Option<PathBuf>, AnyError> {
match cache.get(path) {
Some(canon) => Ok(Some(canon.clone())),
None => match self.fs.realpath_sync(path) {
Ok(canon) => {
cache.insert(path.to_path_buf(), canon.clone());
Ok(Some(canon))
}
Err(e) => {
if e.kind() == ErrorKind::NotFound {
return Ok(None);
}
Err(AnyError::from(e)).with_context(|| {
format!("failed canonicalizing '{}'", path.display())
})
}
},
}
};
if let Some(registry_path_canon) = canonicalize(&self.registry_path)? {
if let Some(path_canon) = canonicalize(path)? {
if path_canon.starts_with(registry_path_canon) {
return Ok(Cow::Owned(path_canon));
}
} else if path.starts_with(registry_path_canon)
|| path.starts_with(&self.registry_path)
{
return Ok(Cow::Borrowed(path));
}
}
}
permissions.check_read_path(path).map_err(Into::into)
}
}
/// Caches all the packages in parallel.
pub async fn cache_packages(
packages: &[NpmResolutionPackage],
tarball_cache: &Arc<TarballCache>,
) -> Result<(), AnyError> {
let mut futures_unordered = futures::stream::FuturesUnordered::new();
for package in packages {
futures_unordered.push(async move {
tarball_cache
.ensure_package(&package.id.nv, &package.dist)
.await
});
}
while let Some(result) = futures_unordered.next().await {
// surface the first error
result?;
}
Ok(())
}
|
