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-rw-r--r--cli/cache/http_cache/local.rs872
1 files changed, 872 insertions, 0 deletions
diff --git a/cli/cache/http_cache/local.rs b/cli/cache/http_cache/local.rs
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+++ b/cli/cache/http_cache/local.rs
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+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+use std::borrow::Cow;
+use std::collections::HashMap;
+use std::collections::HashSet;
+use std::path::Path;
+use std::path::PathBuf;
+use std::sync::Arc;
+use std::time::SystemTime;
+
+use deno_ast::MediaType;
+use deno_core::error::AnyError;
+use deno_core::parking_lot::RwLock;
+use deno_core::serde_json;
+use deno_core::url::Url;
+use indexmap::IndexMap;
+use once_cell::sync::Lazy;
+use serde::Deserialize;
+use serde::Serialize;
+
+use crate::cache::CACHE_PERM;
+use crate::http_util::HeadersMap;
+use crate::util;
+use crate::util::fs::atomic_write_file;
+
+use super::common::base_url_to_filename_parts;
+use super::common::read_file_bytes;
+use super::global::GlobalHttpCache;
+use super::global::UrlToFilenameConversionError;
+use super::CachedUrlMetadata;
+use super::HttpCache;
+use super::HttpCacheItemKey;
+
+#[derive(Debug)]
+pub struct LocalHttpCache {
+ path: PathBuf,
+ manifest: LocalCacheManifest,
+ global_cache: Arc<GlobalHttpCache>,
+}
+
+impl LocalHttpCache {
+ pub fn new(path: PathBuf, global_cache: Arc<GlobalHttpCache>) -> Self {
+ assert!(path.is_absolute());
+ let manifest = LocalCacheManifest::new(path.join("manifest.json"));
+ Self {
+ path,
+ manifest,
+ global_cache,
+ }
+ }
+
+ fn get_cache_filepath(
+ &self,
+ url: &Url,
+ headers: &HeadersMap,
+ ) -> Result<PathBuf, AnyError> {
+ Ok(url_to_local_sub_path(url, headers)?.as_path_from_root(&self.path))
+ }
+
+ /// Copies the file from the global cache to the local cache returning
+ /// if the data was successfully copied to the local cache.
+ fn check_copy_global_to_local(&self, url: &Url) -> Result<bool, AnyError> {
+ let global_key = self.global_cache.cache_item_key(url)?;
+ let Some(metadata) = self.global_cache.read_metadata(&global_key)? else {
+ return Ok(false);
+ };
+
+ if !metadata.is_redirect() {
+ let Some(cached_bytes) = self.global_cache.read_file_bytes(&global_key)? else {
+ return Ok(false);
+ };
+
+ let local_file_path = self.get_cache_filepath(url, &metadata.headers)?;
+ // if we're here, then this will be set
+ atomic_write_file(&local_file_path, cached_bytes, CACHE_PERM)?;
+ }
+ self.manifest.insert_data(
+ url_to_local_sub_path(url, &metadata.headers)?,
+ url.clone(),
+ metadata.headers,
+ );
+
+ Ok(true)
+ }
+
+ fn get_url_metadata_checking_global_cache(
+ &self,
+ url: &Url,
+ ) -> Result<Option<CachedUrlMetadata>, AnyError> {
+ if let Some(metadata) = self.manifest.get_metadata(url) {
+ Ok(Some(metadata))
+ } else if self.check_copy_global_to_local(url)? {
+ // try again now that it's saved
+ Ok(self.manifest.get_metadata(url))
+ } else {
+ Ok(None)
+ }
+ }
+}
+
+impl HttpCache for LocalHttpCache {
+ fn cache_item_key<'a>(
+ &self,
+ url: &'a Url,
+ ) -> Result<HttpCacheItemKey<'a>, AnyError> {
+ Ok(HttpCacheItemKey {
+ #[cfg(debug_assertions)]
+ is_local_key: true,
+ url,
+ file_path: None, // need to compute this every time
+ })
+ }
+
+ fn contains(&self, url: &Url) -> bool {
+ self.manifest.get_metadata(url).is_some()
+ }
+
+ fn read_modified_time(
+ &self,
+ key: &HttpCacheItemKey,
+ ) -> Result<Option<SystemTime>, AnyError> {
+ #[cfg(debug_assertions)]
+ debug_assert!(key.is_local_key);
+
+ self
+ .get_url_metadata_checking_global_cache(key.url)
+ .map(|m| m.map(|m| m.time))
+ }
+
+ fn set(
+ &self,
+ url: &Url,
+ headers: crate::http_util::HeadersMap,
+ content: &[u8],
+ ) -> Result<(), AnyError> {
+ let is_redirect = headers.contains_key("location");
+ if !is_redirect {
+ let cache_filepath = self.get_cache_filepath(url, &headers)?;
+ // Cache content
+ atomic_write_file(&cache_filepath, content, CACHE_PERM)?;
+ }
+
+ let sub_path = url_to_local_sub_path(url, &headers)?;
+ self.manifest.insert_data(sub_path, url.clone(), headers);
+
+ Ok(())
+ }
+
+ fn read_file_bytes(
+ &self,
+ key: &HttpCacheItemKey,
+ ) -> Result<Option<Vec<u8>>, AnyError> {
+ #[cfg(debug_assertions)]
+ debug_assert!(key.is_local_key);
+
+ let metadata = self.get_url_metadata_checking_global_cache(key.url)?;
+ match metadata {
+ Some(data) => {
+ if data.is_redirect() {
+ // return back an empty file for redirect
+ Ok(Some(Vec::new()))
+ } else {
+ // if it's not a redirect, then it should have a file path
+ let cache_filepath =
+ self.get_cache_filepath(key.url, &data.headers)?;
+ Ok(read_file_bytes(&cache_filepath)?)
+ }
+ }
+ None => Ok(None),
+ }
+ }
+
+ fn read_metadata(
+ &self,
+ key: &HttpCacheItemKey,
+ ) -> Result<Option<CachedUrlMetadata>, AnyError> {
+ #[cfg(debug_assertions)]
+ debug_assert!(key.is_local_key);
+
+ self.get_url_metadata_checking_global_cache(key.url)
+ }
+}
+
+struct LocalCacheSubPath {
+ pub has_hash: bool,
+ pub parts: Vec<String>,
+}
+
+impl LocalCacheSubPath {
+ pub fn as_path_from_root(&self, root_path: &Path) -> PathBuf {
+ let mut path = root_path.to_path_buf();
+ for part in &self.parts {
+ path.push(part);
+ }
+ path
+ }
+}
+
+fn url_to_local_sub_path(
+ url: &Url,
+ headers: &HeadersMap,
+) -> Result<LocalCacheSubPath, UrlToFilenameConversionError> {
+ // https://stackoverflow.com/a/31976060/188246
+ static FORBIDDEN_CHARS: Lazy<HashSet<char>> = Lazy::new(|| {
+ HashSet::from(['?', '<', '>', ':', '*', '|', '\\', ':', '"', '\'', '/'])
+ });
+
+ fn has_forbidden_chars(segment: &str) -> bool {
+ segment.chars().any(|c| {
+ let is_uppercase = c.is_ascii_alphabetic() && !c.is_ascii_lowercase();
+ FORBIDDEN_CHARS.contains(&c)
+ // do not allow uppercase letters in order to make this work
+ // the same on case insensitive file systems
+ || is_uppercase
+ })
+ }
+
+ fn has_known_extension(path: &str) -> bool {
+ let path = path.to_lowercase();
+ path.ends_with(".js")
+ || path.ends_with(".ts")
+ || path.ends_with(".jsx")
+ || path.ends_with(".tsx")
+ || path.ends_with(".mts")
+ || path.ends_with(".mjs")
+ || path.ends_with(".json")
+ || path.ends_with(".wasm")
+ }
+
+ fn get_extension(url: &Url, headers: &HeadersMap) -> &'static str {
+ MediaType::from_specifier_and_headers(url, Some(headers)).as_ts_extension()
+ }
+
+ fn short_hash(data: &str, last_ext: Option<&str>) -> String {
+ // This function is a bit of a balancing act between readability
+ // and avoiding collisions.
+ let hash = util::checksum::gen(&[data.as_bytes()]);
+ // keep the paths short because of windows path limit
+ const MAX_LENGTH: usize = 20;
+ let mut sub = String::with_capacity(MAX_LENGTH);
+ for c in data.chars().take(MAX_LENGTH) {
+ // don't include the query string (only use it in the hash)
+ if c == '?' {
+ break;
+ }
+ if FORBIDDEN_CHARS.contains(&c) {
+ sub.push('_');
+ } else {
+ sub.extend(c.to_lowercase());
+ }
+ }
+ let sub = match last_ext {
+ Some(ext) => sub.strip_suffix(ext).unwrap_or(&sub),
+ None => &sub,
+ };
+ let ext = last_ext.unwrap_or("");
+ if sub.is_empty() {
+ format!("#{}{}", &hash[..7], ext)
+ } else {
+ format!("#{}_{}{}", &sub, &hash[..5], ext)
+ }
+ }
+
+ fn should_hash_part(part: &str, last_ext: Option<&str>) -> bool {
+ if part.is_empty() || part.len() > 30 {
+ // keep short due to windows path limit
+ return true;
+ }
+ let hash_context_specific = if let Some(last_ext) = last_ext {
+ // if the last part does not have a known extension, hash it in order to
+ // prevent collisions with a directory of the same name
+ !has_known_extension(part) || !part.ends_with(last_ext)
+ } else {
+ // if any non-ending path part has a known extension, hash it in order to
+ // prevent collisions where a filename has the same name as a directory name
+ has_known_extension(part)
+ };
+
+ // the hash symbol at the start designates a hash for the url part
+ hash_context_specific || part.starts_with('#') || has_forbidden_chars(part)
+ }
+
+ // get the base url
+ let port_separator = "_"; // make this shorter with just an underscore
+ let Some(mut base_parts) = base_url_to_filename_parts(url, port_separator) else {
+ return Err(UrlToFilenameConversionError { url: url.to_string() });
+ };
+
+ if base_parts[0] == "https" {
+ base_parts.remove(0);
+ } else {
+ let scheme = base_parts.remove(0);
+ base_parts[0] = format!("{}_{}", scheme, base_parts[0]);
+ }
+
+ // first, try to get the filename of the path
+ let path_segments = url
+ .path()
+ .strip_prefix('/')
+ .unwrap_or(url.path())
+ .split('/');
+ let mut parts = base_parts
+ .into_iter()
+ .chain(path_segments.map(|s| s.to_string()))
+ .collect::<Vec<_>>();
+
+ // push the query parameter onto the last part
+ if let Some(query) = url.query() {
+ let last_part = parts.last_mut().unwrap();
+ last_part.push('?');
+ last_part.push_str(query);
+ }
+
+ let mut has_hash = false;
+ let parts_len = parts.len();
+ let parts = parts
+ .into_iter()
+ .enumerate()
+ .map(|(i, part)| {
+ let is_last = i == parts_len - 1;
+ let last_ext = if is_last {
+ Some(get_extension(url, headers))
+ } else {
+ None
+ };
+ if should_hash_part(&part, last_ext) {
+ has_hash = true;
+ short_hash(&part, last_ext)
+ } else {
+ part
+ }
+ })
+ .collect::<Vec<_>>();
+
+ Ok(LocalCacheSubPath { has_hash, parts })
+}
+
+#[derive(Debug, Default, Clone)]
+struct LocalCacheManifestData {
+ serialized: SerializedLocalCacheManifestData,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+struct SerializedLocalCacheManifestDataModule {
+ #[serde(skip_serializing_if = "Option::is_none")]
+ pub path: Option<String>,
+ #[serde(
+ default = "IndexMap::new",
+ skip_serializing_if = "IndexMap::is_empty"
+ )]
+ pub headers: IndexMap<String, String>,
+}
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+struct SerializedLocalCacheManifestData {
+ pub modules: IndexMap<Url, SerializedLocalCacheManifestDataModule>,
+}
+
+#[derive(Debug)]
+struct LocalCacheManifest {
+ file_path: PathBuf,
+ data: RwLock<LocalCacheManifestData>,
+}
+
+impl LocalCacheManifest {
+ pub fn new(file_path: PathBuf) -> Self {
+ let serialized: SerializedLocalCacheManifestData =
+ std::fs::read(&file_path)
+ .ok()
+ .and_then(|data| match serde_json::from_slice(&data) {
+ Ok(data) => Some(data),
+ Err(err) => {
+ log::debug!("Failed deserializing local cache manifest: {:#}", err);
+ None
+ }
+ })
+ .unwrap_or_default();
+ Self {
+ data: RwLock::new(LocalCacheManifestData { serialized }),
+ file_path,
+ }
+ }
+
+ pub fn insert_data(
+ &self,
+ sub_path: LocalCacheSubPath,
+ url: Url,
+ mut original_headers: HashMap<String, String>,
+ ) {
+ fn should_keep_content_type_header(
+ url: &Url,
+ headers: &HashMap<String, String>,
+ ) -> bool {
+ // only keep the location header if it can't be derived from the url
+ MediaType::from_specifier(url)
+ != MediaType::from_specifier_and_headers(url, Some(headers))
+ }
+
+ let mut headers_subset = IndexMap::new();
+
+ const HEADER_KEYS_TO_KEEP: [&str; 4] = [
+ // keep alphabetical for cleanliness in the output
+ "content-type",
+ "location",
+ "x-deno-warning",
+ "x-typescript-types",
+ ];
+ for key in HEADER_KEYS_TO_KEEP {
+ if key == "content-type"
+ && !should_keep_content_type_header(&url, &original_headers)
+ {
+ continue;
+ }
+ if let Some((k, v)) = original_headers.remove_entry(key) {
+ headers_subset.insert(k, v);
+ }
+ }
+
+ let mut data = self.data.write();
+ let is_empty = headers_subset.is_empty() && !sub_path.has_hash;
+ let has_changed = if is_empty {
+ data.serialized.modules.remove(&url).is_some()
+ } else {
+ let new_data = SerializedLocalCacheManifestDataModule {
+ path: if headers_subset.contains_key("location") {
+ None
+ } else {
+ Some(sub_path.parts.join("/"))
+ },
+ headers: headers_subset,
+ };
+ if data.serialized.modules.get(&url) == Some(&new_data) {
+ false
+ } else {
+ data.serialized.modules.insert(url.clone(), new_data);
+ true
+ }
+ };
+
+ if has_changed {
+ // don't bother ensuring the directory here because it will
+ // eventually be created by files being added to the cache
+ let result = atomic_write_file(
+ &self.file_path,
+ serde_json::to_string_pretty(&data.serialized).unwrap(),
+ CACHE_PERM,
+ );
+ if let Err(err) = result {
+ log::debug!("Failed saving local cache manifest: {:#}", err);
+ }
+ }
+ }
+
+ pub fn get_metadata(&self, url: &Url) -> Option<CachedUrlMetadata> {
+ let data = self.data.read();
+ match data.serialized.modules.get(url) {
+ Some(module) => {
+ let headers = module
+ .headers
+ .iter()
+ .map(|(k, v)| (k.to_string(), v.to_string()))
+ .collect::<HashMap<_, _>>();
+ let sub_path = match &module.path {
+ Some(sub_path) => {
+ Cow::Owned(self.file_path.parent().unwrap().join(sub_path))
+ }
+ None => Cow::Borrowed(&self.file_path),
+ };
+
+ let Ok(metadata) = sub_path.metadata() else {
+ return None;
+ };
+
+ Some(CachedUrlMetadata {
+ headers,
+ url: url.to_string(),
+ time: metadata.modified().unwrap_or_else(|_| SystemTime::now()),
+ })
+ }
+ None => {
+ let folder_path = self.file_path.parent().unwrap();
+ let sub_path = url_to_local_sub_path(url, &Default::default()).ok()?;
+ if sub_path.has_hash {
+ // only paths without a hash are considered as in the cache
+ // when they don't have a metadata entry
+ return None;
+ }
+ let file_path = sub_path.as_path_from_root(folder_path);
+ if let Ok(metadata) = file_path.metadata() {
+ Some(CachedUrlMetadata {
+ headers: Default::default(),
+ url: url.to_string(),
+ time: metadata.modified().unwrap_or_else(|_| SystemTime::now()),
+ })
+ } else {
+ None
+ }
+ }
+ }
+ }
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+
+ use deno_core::serde_json::json;
+ use pretty_assertions::assert_eq;
+ use test_util::TempDir;
+
+ #[test]
+ fn test_url_to_local_sub_path() {
+ run_test("https://deno.land/x/mod.ts", &[], "deno.land/x/mod.ts");
+ run_test(
+ "http://deno.land/x/mod.ts",
+ &[],
+ // http gets added to the folder name, but not https
+ "http_deno.land/x/mod.ts",
+ );
+ run_test(
+ // capital letter in filename
+ "https://deno.land/x/MOD.ts",
+ &[],
+ "deno.land/x/#mod_fa860.ts",
+ );
+ run_test(
+ // query string
+ "https://deno.land/x/mod.ts?testing=1",
+ &[],
+ "deno.land/x/#mod_2eb80.ts",
+ );
+ run_test(
+ // capital letter in directory
+ "https://deno.land/OTHER/mod.ts",
+ &[],
+ "deno.land/#other_1c55d/mod.ts",
+ );
+ run_test(
+ // under max of 30 chars
+ "https://deno.land/x/012345678901234567890123456.js",
+ &[],
+ "deno.land/x/012345678901234567890123456.js",
+ );
+ run_test(
+ // max 30 chars
+ "https://deno.land/x/0123456789012345678901234567.js",
+ &[],
+ "deno.land/x/#01234567890123456789_836de.js",
+ );
+ run_test(
+ // forbidden char
+ "https://deno.land/x/mod's.js",
+ &[],
+ "deno.land/x/#mod_s_44fc8.js",
+ );
+ run_test(
+ // no extension
+ "https://deno.land/x/mod",
+ &[("content-type", "application/typescript")],
+ "deno.land/x/#mod_e55cf.ts",
+ );
+ run_test(
+ // known extension in directory is not allowed
+ // because it could conflict with a file of the same name
+ "https://deno.land/x/mod.js/mod.js",
+ &[],
+ "deno.land/x/#mod.js_59c58/mod.js",
+ );
+ run_test(
+ // slash slash in path
+ "http://localhost//mod.js",
+ &[],
+ "http_localhost/#e3b0c44/mod.js",
+ );
+ run_test(
+ // headers same extension
+ "https://deno.land/x/mod.ts",
+ &[("content-type", "application/typescript")],
+ "deno.land/x/mod.ts",
+ );
+ run_test(
+ // headers different extension... We hash this because
+ // if someone deletes the manifest file, then we don't want
+ // https://deno.land/x/mod.ts to resolve as a typescript file
+ "https://deno.land/x/mod.ts",
+ &[("content-type", "application/javascript")],
+ "deno.land/x/#mod.ts_e8c36.js",
+ );
+
+ #[track_caller]
+ fn run_test(url: &str, headers: &[(&str, &str)], expected: &str) {
+ let url = Url::parse(url).unwrap();
+ let headers = headers
+ .iter()
+ .map(|(k, v)| (k.to_string(), v.to_string()))
+ .collect();
+ let result = url_to_local_sub_path(&url, &headers).unwrap();
+ let parts = result.parts.join("/");
+ assert_eq!(parts, expected);
+ assert_eq!(
+ result.parts.iter().any(|p| p.starts_with('#')),
+ result.has_hash
+ )
+ }
+ }
+
+ #[test]
+ fn test_local_global_cache() {
+ let temp_dir = TempDir::new();
+ let global_cache_path = temp_dir.path().join("global");
+ let local_cache_path = temp_dir.path().join("local");
+ let global_cache =
+ Arc::new(GlobalHttpCache::new(global_cache_path.to_path_buf()));
+ let local_cache =
+ LocalHttpCache::new(local_cache_path.to_path_buf(), global_cache.clone());
+
+ let manifest_file = local_cache_path.join("manifest.json");
+ // mapped url
+ {
+ let url = Url::parse("https://deno.land/x/mod.ts").unwrap();
+ let content = "export const test = 5;";
+ global_cache
+ .set(
+ &url,
+ HashMap::from([(
+ "content-type".to_string(),
+ "application/typescript".to_string(),
+ )]),
+ content.as_bytes(),
+ )
+ .unwrap();
+ let key = local_cache.cache_item_key(&url).unwrap();
+ assert_eq!(
+ String::from_utf8(local_cache.read_file_bytes(&key).unwrap().unwrap())
+ .unwrap(),
+ content
+ );
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ // won't have any headers because the content-type is derivable from the url
+ assert_eq!(metadata.headers, HashMap::new());
+ assert_eq!(metadata.url, url.to_string());
+ // no manifest file yet
+ assert!(!manifest_file.exists());
+
+ // now try deleting the global cache and we should still be able to load it
+ global_cache_path.remove_dir_all();
+ assert_eq!(
+ String::from_utf8(local_cache.read_file_bytes(&key).unwrap().unwrap())
+ .unwrap(),
+ content
+ );
+ }
+
+ // file that's directly mappable to a url
+ {
+ let content = "export const a = 1;";
+ local_cache_path
+ .join("deno.land")
+ .join("main.js")
+ .write(content);
+
+ // now we should be able to read this file because it's directly mappable to a url
+ let url = Url::parse("https://deno.land/main.js").unwrap();
+ let key = local_cache.cache_item_key(&url).unwrap();
+ assert_eq!(
+ String::from_utf8(local_cache.read_file_bytes(&key).unwrap().unwrap())
+ .unwrap(),
+ content
+ );
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ assert_eq!(metadata.headers, HashMap::new());
+ assert_eq!(metadata.url, url.to_string());
+ }
+
+ // now try a file with a different content-type header
+ {
+ let url =
+ Url::parse("https://deno.land/x/different_content_type.ts").unwrap();
+ let content = "export const test = 5;";
+ global_cache
+ .set(
+ &url,
+ HashMap::from([(
+ "content-type".to_string(),
+ "application/javascript".to_string(),
+ )]),
+ content.as_bytes(),
+ )
+ .unwrap();
+ let key = local_cache.cache_item_key(&url).unwrap();
+ assert_eq!(
+ String::from_utf8(local_cache.read_file_bytes(&key).unwrap().unwrap())
+ .unwrap(),
+ content
+ );
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ assert_eq!(
+ metadata.headers,
+ HashMap::from([(
+ "content-type".to_string(),
+ "application/javascript".to_string(),
+ )])
+ );
+ assert_eq!(metadata.url, url.to_string());
+ assert_eq!(
+ manifest_file.read_json_value(),
+ json!({
+ "modules": {
+ "https://deno.land/x/different_content_type.ts": {
+ "path": "deno.land/x/#different_content_ty_f15dc.js",
+ "headers": {
+ "content-type": "application/javascript"
+ }
+ }
+ }
+ })
+ );
+ // delete the manifest file
+ manifest_file.remove_file();
+
+ // Now try resolving the key again and the content type should still be application/javascript.
+ // This is maintained because we hash the filename when the headers don't match the extension.
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ assert_eq!(
+ metadata.headers,
+ HashMap::from([(
+ "content-type".to_string(),
+ "application/javascript".to_string(),
+ )])
+ );
+ }
+
+ // reset the local cache
+ local_cache_path.remove_dir_all();
+ let local_cache =
+ LocalHttpCache::new(local_cache_path.to_path_buf(), global_cache.clone());
+
+ // now try caching a file with many headers
+ {
+ let url = Url::parse("https://deno.land/x/my_file.ts").unwrap();
+ let content = "export const test = 5;";
+ global_cache
+ .set(
+ &url,
+ HashMap::from([
+ (
+ "content-type".to_string(),
+ "application/typescript".to_string(),
+ ),
+ ("x-typescript-types".to_string(), "./types.d.ts".to_string()),
+ ("x-deno-warning".to_string(), "Stop right now.".to_string()),
+ (
+ "x-other-header".to_string(),
+ "Thank you very much.".to_string(),
+ ),
+ ]),
+ content.as_bytes(),
+ )
+ .unwrap();
+ let check_output = |local_cache: &LocalHttpCache| {
+ let key = local_cache.cache_item_key(&url).unwrap();
+ assert_eq!(
+ String::from_utf8(
+ local_cache.read_file_bytes(&key).unwrap().unwrap()
+ )
+ .unwrap(),
+ content
+ );
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ assert_eq!(
+ metadata.headers,
+ HashMap::from([
+ ("x-typescript-types".to_string(), "./types.d.ts".to_string(),),
+ ("x-deno-warning".to_string(), "Stop right now.".to_string(),)
+ ])
+ );
+ assert_eq!(metadata.url, url.to_string());
+ assert_eq!(
+ manifest_file.read_json_value(),
+ json!({
+ "modules": {
+ "https://deno.land/x/my_file.ts": {
+ "path": "deno.land/x/my_file.ts",
+ "headers": {
+ "x-deno-warning": "Stop right now.",
+ "x-typescript-types": "./types.d.ts"
+ }
+ }
+ }
+ })
+ );
+ };
+ check_output(&local_cache);
+ // now ensure it's the same when re-creating the cache
+ check_output(&LocalHttpCache::new(
+ local_cache_path.to_path_buf(),
+ global_cache.clone(),
+ ));
+ }
+
+ // reset the local cache
+ local_cache_path.remove_dir_all();
+ let local_cache =
+ LocalHttpCache::new(local_cache_path.to_path_buf(), global_cache.clone());
+
+ // try a file that can't be mapped to the file system
+ {
+ let url = Url::parse("https://deno.land/INVALID/Module.ts?dev").unwrap();
+ let content = "export const test = 5;";
+ global_cache
+ .set(&url, HashMap::new(), content.as_bytes())
+ .unwrap();
+ let key = local_cache.cache_item_key(&url).unwrap();
+ assert_eq!(
+ String::from_utf8(local_cache.read_file_bytes(&key).unwrap().unwrap())
+ .unwrap(),
+ content
+ );
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ // won't have any headers because the content-type is derivable from the url
+ assert_eq!(metadata.headers, HashMap::new());
+ assert_eq!(metadata.url, url.to_string());
+
+ assert_eq!(
+ manifest_file.read_json_value(),
+ json!({
+ "modules": {
+ "https://deno.land/INVALID/Module.ts?dev": {
+ "path": "deno.land/#invalid_1ee01/#module_b8d2b.ts"
+ }
+ }
+ })
+ );
+ }
+
+ // reset the local cache
+ local_cache_path.remove_dir_all();
+ let local_cache =
+ LocalHttpCache::new(local_cache_path.to_path_buf(), global_cache.clone());
+
+ // now try a redirect
+ {
+ let url = Url::parse("https://deno.land/redirect.ts").unwrap();
+ global_cache
+ .set(
+ &url,
+ HashMap::from([("location".to_string(), "./x/mod.ts".to_string())]),
+ "Redirecting to other url...".as_bytes(),
+ )
+ .unwrap();
+ let key = local_cache.cache_item_key(&url).unwrap();
+ let metadata = local_cache.read_metadata(&key).unwrap().unwrap();
+ assert_eq!(
+ metadata.headers,
+ HashMap::from([("location".to_string(), "./x/mod.ts".to_string())])
+ );
+ assert_eq!(metadata.url, url.to_string());
+ assert_eq!(
+ manifest_file.read_json_value(),
+ json!({
+ "modules": {
+ "https://deno.land/redirect.ts": {
+ "headers": {
+ "location": "./x/mod.ts"
+ }
+ }
+ }
+ })
+ );
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-06 01:59:32 +0000