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denoland-deno/cli/file_fetcher.rs

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::cache::HttpCache;
use crate::cache::RealDenoCacheEnv;
use crate::colors;
use crate::http_util::get_response_body_with_progress;
use crate::http_util::HttpClientProvider;
use crate::util::progress_bar::ProgressBar;
use boxed_error::Boxed;
use deno_ast::MediaType;
use deno_cache_dir::file_fetcher::AuthTokens;
use deno_cache_dir::file_fetcher::BlobData;
use deno_cache_dir::file_fetcher::CacheSetting;
use deno_cache_dir::file_fetcher::FetchNoFollowError;
use deno_cache_dir::file_fetcher::File;
use deno_cache_dir::file_fetcher::FileFetcherOptions;
use deno_cache_dir::file_fetcher::FileOrRedirect;
use deno_cache_dir::file_fetcher::SendError;
use deno_cache_dir::file_fetcher::SendResponse;
use deno_cache_dir::file_fetcher::TooManyRedirectsError;
use deno_cache_dir::file_fetcher::UnsupportedSchemeError;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_core::parking_lot::Mutex;
use deno_core::url::Url;
use deno_core::ModuleSpecifier;
use deno_error::JsError;
use deno_graph::source::LoaderChecksum;
use deno_runtime::deno_permissions::CheckSpecifierKind;
use deno_runtime::deno_permissions::PermissionCheckError;
use deno_runtime::deno_permissions::PermissionsContainer;
use deno_runtime::deno_web::BlobStore;
use http::header;
use http::HeaderMap;
use http::StatusCode;
use std::borrow::Cow;
use std::collections::HashMap;
use std::env;
use std::sync::Arc;
use thiserror::Error;
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct TextDecodedFile {
pub media_type: MediaType,
/// The _final_ specifier for the file. The requested specifier and the final
/// specifier maybe different for remote files that have been redirected.
pub specifier: ModuleSpecifier,
/// The source of the file.
pub source: Arc<str>,
}
impl TextDecodedFile {
/// Decodes the source bytes into a string handling any encoding rules
/// for local vs remote files and dealing with the charset.
pub fn decode(file: File) -> Result<Self, AnyError> {
let (media_type, maybe_charset) =
deno_graph::source::resolve_media_type_and_charset_from_headers(
&file.url,
file.maybe_headers.as_ref(),
);
let specifier = file.url;
match deno_graph::source::decode_source(
&specifier,
file.source,
maybe_charset,
) {
Ok(source) => Ok(TextDecodedFile {
media_type,
specifier,
source,
}),
Err(err) => {
Err(err).with_context(|| format!("Failed decoding \"{}\".", specifier))
}
}
}
}
#[derive(Debug)]
struct BlobStoreAdapter(Arc<BlobStore>);
#[async_trait::async_trait(?Send)]
impl deno_cache_dir::file_fetcher::BlobStore for BlobStoreAdapter {
async fn get(&self, specifier: &Url) -> std::io::Result<Option<BlobData>> {
let Some(blob) = self.0.get_object_url(specifier.clone()) else {
return Ok(None);
};
Ok(Some(BlobData {
media_type: blob.media_type.clone(),
bytes: blob.read_all().await,
}))
}
}
#[derive(Debug)]
struct HttpClientAdapter {
http_client_provider: Arc<HttpClientProvider>,
download_log_level: log::Level,
progress_bar: Option<ProgressBar>,
}
#[async_trait::async_trait(?Send)]
impl deno_cache_dir::file_fetcher::HttpClient for HttpClientAdapter {
async fn send_no_follow(
&self,
url: &Url,
headers: HeaderMap,
) -> Result<SendResponse, SendError> {
async fn handle_request_or_server_error(
retried: &mut bool,
specifier: &Url,
err_str: String,
) -> Result<(), ()> {
// Retry once, and bail otherwise.
if !*retried {
*retried = true;
log::debug!("Import '{}' failed: {}. Retrying...", specifier, err_str);
tokio::time::sleep(std::time::Duration::from_millis(50)).await;
Ok(())
} else {
Err(())
}
}
let mut maybe_progress_guard = None;
if let Some(pb) = self.progress_bar.as_ref() {
maybe_progress_guard = Some(pb.update(url.as_str()));
} else {
log::log!(
self.download_log_level,
"{} {}",
colors::green("Download"),
url
);
}
let mut retried = false; // retry intermittent failures
loop {
let response = match self
.http_client_provider
.get_or_create()
.map_err(|err| SendError::Failed(err.into()))?
.send(url, headers.clone())
.await
{
Ok(response) => response,
Err(crate::http_util::SendError::Send(err)) => {
if err.is_connect_error() {
handle_request_or_server_error(&mut retried, url, err.to_string())
.await
.map_err(|()| SendError::Failed(err.into()))?;
continue;
} else {
return Err(SendError::Failed(err.into()));
}
}
Err(crate::http_util::SendError::InvalidUri(err)) => {
return Err(SendError::Failed(err.into()));
}
};
if response.status() == StatusCode::NOT_MODIFIED {
return Ok(SendResponse::NotModified);
}
if let Some(warning) = response.headers().get("X-Deno-Warning") {
log::warn!(
"{} {}",
crate::colors::yellow("Warning"),
warning.to_str().unwrap()
);
}
if response.status().is_redirection() {
return Ok(SendResponse::Redirect(response.into_parts().0.headers));
}
if response.status().is_server_error() {
handle_request_or_server_error(
&mut retried,
url,
response.status().to_string(),
)
.await
.map_err(|()| SendError::StatusCode(response.status()))?;
} else if response.status().is_client_error() {
let err = if response.status() == StatusCode::NOT_FOUND {
SendError::NotFound
} else {
SendError::StatusCode(response.status())
};
return Err(err);
} else {
let body_result = get_response_body_with_progress(
response,
maybe_progress_guard.as_ref(),
)
.await;
match body_result {
Ok((headers, body)) => {
return Ok(SendResponse::Success(headers, body));
}
Err(err) => {
handle_request_or_server_error(&mut retried, url, err.to_string())
.await
.map_err(|()| SendError::Failed(err.into()))?;
continue;
}
}
}
}
}
}
#[derive(Debug, Default)]
struct MemoryFiles(Mutex<HashMap<ModuleSpecifier, File>>);
impl MemoryFiles {
pub fn insert(&self, specifier: ModuleSpecifier, file: File) -> Option<File> {
self.0.lock().insert(specifier, file)
}
pub fn clear(&self) {
self.0.lock().clear();
}
}
impl deno_cache_dir::file_fetcher::MemoryFiles for MemoryFiles {
fn get(&self, specifier: &ModuleSpecifier) -> Option<File> {
self.0.lock().get(specifier).cloned()
}
}
#[derive(Debug, Boxed, JsError)]
pub struct CliFetchNoFollowError(pub Box<CliFetchNoFollowErrorKind>);
#[derive(Debug, Error, JsError)]
pub enum CliFetchNoFollowErrorKind {
#[error(transparent)]
#[class(inherit)]
FetchNoFollow(#[from] FetchNoFollowError),
#[error(transparent)]
#[class(generic)]
PermissionCheck(#[from] PermissionCheckError),
}
#[derive(Debug, Copy, Clone)]
pub enum FetchPermissionsOptionRef<'a> {
AllowAll,
Restricted(&'a PermissionsContainer, CheckSpecifierKind),
}
#[derive(Debug, Default)]
pub struct FetchOptions<'a> {
pub maybe_auth: Option<(header::HeaderName, header::HeaderValue)>,
pub maybe_accept: Option<&'a str>,
pub maybe_cache_setting: Option<&'a CacheSetting>,
}
pub struct FetchNoFollowOptions<'a> {
pub maybe_auth: Option<(header::HeaderName, header::HeaderValue)>,
pub maybe_accept: Option<&'a str>,
pub maybe_cache_setting: Option<&'a CacheSetting>,
pub maybe_checksum: Option<&'a LoaderChecksum>,
}
type DenoCacheDirFileFetcher = deno_cache_dir::file_fetcher::FileFetcher<
BlobStoreAdapter,
RealDenoCacheEnv,
HttpClientAdapter,
>;
/// A structure for resolving, fetching and caching source files.
#[derive(Debug)]
pub struct CliFileFetcher {
file_fetcher: DenoCacheDirFileFetcher,
memory_files: Arc<MemoryFiles>,
}
impl CliFileFetcher {
pub fn new(
http_cache: Arc<dyn HttpCache>,
http_client_provider: Arc<HttpClientProvider>,
blob_store: Arc<BlobStore>,
progress_bar: Option<ProgressBar>,
allow_remote: bool,
cache_setting: CacheSetting,
download_log_level: log::Level,
) -> Self {
let memory_files = Arc::new(MemoryFiles::default());
let file_fetcher = DenoCacheDirFileFetcher::new(
BlobStoreAdapter(blob_store),
RealDenoCacheEnv,
http_cache,
HttpClientAdapter {
http_client_provider: http_client_provider.clone(),
download_log_level,
progress_bar,
},
memory_files.clone(),
FileFetcherOptions {
allow_remote,
cache_setting,
auth_tokens: AuthTokens::new(env::var("DENO_AUTH_TOKENS").ok()),
},
);
Self {
file_fetcher,
memory_files,
}
}
pub fn cache_setting(&self) -> &CacheSetting {
self.file_fetcher.cache_setting()
}
#[inline(always)]
pub async fn fetch_bypass_permissions(
&self,
specifier: &ModuleSpecifier,
) -> Result<File, AnyError> {
self
.fetch_inner(specifier, None, FetchPermissionsOptionRef::AllowAll)
.await
}
#[inline(always)]
pub async fn fetch_bypass_permissions_with_maybe_auth(
&self,
specifier: &ModuleSpecifier,
maybe_auth: Option<(header::HeaderName, header::HeaderValue)>,
) -> Result<File, AnyError> {
self
.fetch_inner(specifier, maybe_auth, FetchPermissionsOptionRef::AllowAll)
.await
}
/// Fetch a source file and asynchronously return it.
#[inline(always)]
pub async fn fetch(
&self,
specifier: &ModuleSpecifier,
permissions: &PermissionsContainer,
) -> Result<File, AnyError> {
self
.fetch_inner(
specifier,
None,
FetchPermissionsOptionRef::Restricted(
permissions,
CheckSpecifierKind::Static,
),
)
.await
}
async fn fetch_inner(
&self,
specifier: &ModuleSpecifier,
maybe_auth: Option<(header::HeaderName, header::HeaderValue)>,
permissions: FetchPermissionsOptionRef<'_>,
) -> Result<File, AnyError> {
self
.fetch_with_options(
specifier,
permissions,
FetchOptions {
maybe_auth,
maybe_accept: None,
maybe_cache_setting: None,
},
)
.await
}
pub async fn fetch_with_options(
&self,
specifier: &ModuleSpecifier,
permissions: FetchPermissionsOptionRef<'_>,
options: FetchOptions<'_>,
) -> Result<File, AnyError> {
self
.fetch_with_options_and_max_redirect(specifier, permissions, options, 10)
.await
}
async fn fetch_with_options_and_max_redirect(
&self,
specifier: &ModuleSpecifier,
permissions: FetchPermissionsOptionRef<'_>,
options: FetchOptions<'_>,
max_redirect: usize,
) -> Result<File, AnyError> {
let mut specifier = Cow::Borrowed(specifier);
let mut maybe_auth = options.maybe_auth;
for _ in 0..=max_redirect {
match self
.fetch_no_follow(
&specifier,
permissions,
FetchNoFollowOptions {
maybe_auth: maybe_auth.clone(),
maybe_accept: options.maybe_accept,
maybe_cache_setting: options.maybe_cache_setting,
maybe_checksum: None,
},
)
.await?
{
FileOrRedirect::File(file) => {
return Ok(file);
}
FileOrRedirect::Redirect(redirect_specifier) => {
// If we were redirected to another origin, don't send the auth header anymore.
if redirect_specifier.origin() != specifier.origin() {
maybe_auth = None;
}
specifier = Cow::Owned(redirect_specifier);
}
}
}
Err(TooManyRedirectsError(specifier.into_owned()).into())
}
/// Fetches without following redirects.
pub async fn fetch_no_follow(
&self,
specifier: &ModuleSpecifier,
permissions: FetchPermissionsOptionRef<'_>,
options: FetchNoFollowOptions<'_>,
) -> Result<FileOrRedirect, CliFetchNoFollowError> {
validate_scheme(specifier).map_err(|err| {
CliFetchNoFollowErrorKind::FetchNoFollow(err.into()).into_box()
})?;
match permissions {
FetchPermissionsOptionRef::AllowAll => {
// allow
}
FetchPermissionsOptionRef::Restricted(permissions, kind) => {
permissions.check_specifier(specifier, kind)?;
}
}
self
.file_fetcher
.fetch_no_follow(
specifier,
deno_cache_dir::file_fetcher::FetchNoFollowOptions {
maybe_auth: options.maybe_auth,
maybe_checksum: options
.maybe_checksum
.map(|c| deno_cache_dir::Checksum::new(c.as_str())),
maybe_accept: options.maybe_accept,
maybe_cache_setting: options.maybe_cache_setting,
},
)
.await
.map_err(|err| CliFetchNoFollowErrorKind::FetchNoFollow(err).into_box())
}
/// A synchronous way to retrieve a source file, where if the file has already
/// been cached in memory it will be returned, otherwise for local files will
/// be read from disk.
pub fn get_cached_source_or_local(
&self,
specifier: &ModuleSpecifier,
) -> Result<Option<File>, AnyError> {
if specifier.scheme() == "file" {
Ok(self.file_fetcher.fetch_local(specifier)?)
} else {
Ok(self.file_fetcher.fetch_cached(specifier, 10)?)
}
}
/// Insert a temporary module for the file fetcher.
pub fn insert_memory_files(&self, file: File) -> Option<File> {
self.memory_files.insert(file.url.clone(), file)
}
pub fn clear_memory_files(&self) {
self.memory_files.clear();
}
}
fn validate_scheme(specifier: &Url) -> Result<(), UnsupportedSchemeError> {
match deno_cache_dir::file_fetcher::is_valid_scheme(specifier.scheme()) {
true => Ok(()),
false => Err(UnsupportedSchemeError {
scheme: specifier.scheme().to_string(),
url: specifier.clone(),
}),
}
}
#[cfg(test)]
mod tests {
use crate::cache::GlobalHttpCache;
use crate::cache::RealDenoCacheEnv;
use crate::http_util::HttpClientProvider;
use super::*;
use deno_cache_dir::file_fetcher::FetchNoFollowErrorKind;
use deno_cache_dir::file_fetcher::HttpClient;
use deno_core::resolve_url;
use deno_runtime::deno_web::Blob;
use deno_runtime::deno_web::InMemoryBlobPart;
use test_util::TempDir;
fn setup(
cache_setting: CacheSetting,
maybe_temp_dir: Option<TempDir>,
) -> (CliFileFetcher, TempDir) {
let (file_fetcher, temp_dir, _) =
setup_with_blob_store(cache_setting, maybe_temp_dir);
(file_fetcher, temp_dir)
}
fn setup_with_blob_store(
cache_setting: CacheSetting,
maybe_temp_dir: Option<TempDir>,
) -> (CliFileFetcher, TempDir, Arc<BlobStore>) {
let (file_fetcher, temp_dir, blob_store, _) =
setup_with_blob_store_and_cache(cache_setting, maybe_temp_dir);
(file_fetcher, temp_dir, blob_store)
}
fn setup_with_blob_store_and_cache(
cache_setting: CacheSetting,
maybe_temp_dir: Option<TempDir>,
) -> (
CliFileFetcher,
TempDir,
Arc<BlobStore>,
Arc<GlobalHttpCache>,
) {
let temp_dir = maybe_temp_dir.unwrap_or_default();
let location = temp_dir.path().join("remote").to_path_buf();
let blob_store: Arc<BlobStore> = Default::default();
let cache = Arc::new(GlobalHttpCache::new(location, RealDenoCacheEnv));
let file_fetcher = CliFileFetcher::new(
cache.clone(),
Arc::new(HttpClientProvider::new(None, None)),
blob_store.clone(),
None,
true,
cache_setting,
log::Level::Info,
);
(file_fetcher, temp_dir, blob_store, cache)
}
async fn test_fetch(specifier: &ModuleSpecifier) -> (File, CliFileFetcher) {
let (file_fetcher, _) = setup(CacheSetting::ReloadAll, None);
let result = file_fetcher.fetch_bypass_permissions(specifier).await;
assert!(result.is_ok());
(result.unwrap(), file_fetcher)
}
async fn test_fetch_options_remote(
specifier: &ModuleSpecifier,
) -> (File, HashMap<String, String>) {
let _http_server_guard = test_util::http_server();
let (file_fetcher, _, _, http_cache) =
setup_with_blob_store_and_cache(CacheSetting::ReloadAll, None);
let result: Result<File, AnyError> = file_fetcher
.fetch_with_options_and_max_redirect(
specifier,
FetchPermissionsOptionRef::AllowAll,
Default::default(),
1,
)
.await;
let cache_key = http_cache.cache_item_key(specifier).unwrap();
(
result.unwrap(),
http_cache.read_headers(&cache_key).unwrap().unwrap(),
)
}
// this test used to test how the file fetcher decoded strings, but
// now we're using it as a bit of an integration test with the functionality
// in deno_graph
async fn test_fetch_remote_encoded(
fixture: &str,
charset: &str,
expected: &str,
) {
let url_str = format!("http://127.0.0.1:4545/encoding/{fixture}");
let specifier = resolve_url(&url_str).unwrap();
let (file, headers) = test_fetch_options_remote(&specifier).await;
let (media_type, maybe_charset) =
deno_graph::source::resolve_media_type_and_charset_from_headers(
&specifier,
Some(&headers),
);
assert_eq!(
deno_graph::source::decode_source(&specifier, file.source, maybe_charset)
.unwrap()
.as_ref(),
expected
);
assert_eq!(media_type, MediaType::TypeScript);
assert_eq!(
headers.get("content-type").unwrap(),
&format!("application/typescript;charset={charset}")
);
}
async fn test_fetch_local_encoded(charset: &str, expected: String) {
let p = test_util::testdata_path().join(format!("encoding/{charset}.ts"));
let specifier = ModuleSpecifier::from_file_path(p).unwrap();
let (file, _) = test_fetch(&specifier).await;
assert_eq!(
deno_graph::source::decode_source(&specifier, file.source, None)
.unwrap()
.as_ref(),
expected
);
}
#[tokio::test]
async fn test_insert_cached() {
let (file_fetcher, temp_dir) = setup(CacheSetting::Use, None);
let local = temp_dir.path().join("a.ts");
let specifier = ModuleSpecifier::from_file_path(&local).unwrap();
let file = File {
source: Arc::from("some source code".as_bytes()),
url: specifier.clone(),
maybe_headers: Some(HashMap::from([(
"content-type".to_string(),
"application/javascript".to_string(),
)])),
};
file_fetcher.insert_memory_files(file.clone());
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let result_file = result.unwrap();
assert_eq!(result_file, file);
}
#[tokio::test]
async fn test_fetch_data_url() {
let (file_fetcher, _) = setup(CacheSetting::Use, None);
let specifier = resolve_url("data:application/typescript;base64,ZXhwb3J0IGNvbnN0IGEgPSAiYSI7CgpleHBvcnQgZW51bSBBIHsKICBBLAogIEIsCiAgQywKfQo=").unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(
&*file.source,
"export const a = \"a\";\n\nexport enum A {\n A,\n B,\n C,\n}\n"
);
assert_eq!(file.media_type, MediaType::TypeScript);
assert_eq!(file.specifier, specifier);
}
#[tokio::test]
async fn test_fetch_blob_url() {
let (file_fetcher, _, blob_store) =
setup_with_blob_store(CacheSetting::Use, None);
let bytes =
"export const a = \"a\";\n\nexport enum A {\n A,\n B,\n C,\n}\n"
.as_bytes()
.to_vec();
let specifier = blob_store.insert_object_url(
Blob {
media_type: "application/typescript".to_string(),
parts: vec![Arc::new(InMemoryBlobPart::from(bytes))],
},
None,
);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(
&*file.source,
"export const a = \"a\";\n\nexport enum A {\n A,\n B,\n C,\n}\n"
);
assert_eq!(file.media_type, MediaType::TypeScript);
assert_eq!(file.specifier, specifier);
}
#[tokio::test]
async fn test_fetch_complex() {
let _http_server_guard = test_util::http_server();
let (file_fetcher, temp_dir, _, http_cache) =
setup_with_blob_store_and_cache(CacheSetting::Use, None);
let (file_fetcher_01, _) = setup(CacheSetting::Use, Some(temp_dir.clone()));
let (file_fetcher_02, _, _, http_cache_02) =
setup_with_blob_store_and_cache(
CacheSetting::Use,
Some(temp_dir.clone()),
);
let specifier =
ModuleSpecifier::parse("http://localhost:4545/subdir/mod2.ts").unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(
&*file.source,
"export { printHello } from \"./print_hello.ts\";\n"
);
assert_eq!(file.media_type, MediaType::TypeScript);
let cache_item_key = http_cache.cache_item_key(&specifier).unwrap();
let mut headers = HashMap::new();
headers.insert("content-type".to_string(), "text/javascript".to_string());
http_cache
.set(&specifier, headers.clone(), file.source.as_bytes())
.unwrap();
let result = file_fetcher_01.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(
&*file.source,
"export { printHello } from \"./print_hello.ts\";\n"
);
// This validates that when using the cached value, because we modified
// the value above.
assert_eq!(file.media_type, MediaType::JavaScript);
let headers2 = http_cache_02
.read_headers(&cache_item_key)
.unwrap()
.unwrap();
assert_eq!(headers2.get("content-type").unwrap(), "text/javascript");
headers = HashMap::new();
headers.insert("content-type".to_string(), "application/json".to_string());
http_cache_02
.set(&specifier, headers.clone(), file.source.as_bytes())
.unwrap();
let result = file_fetcher_02.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(
&*file.source,
"export { printHello } from \"./print_hello.ts\";\n"
);
assert_eq!(file.media_type, MediaType::Json);
// This creates a totally new instance, simulating another Deno process
// invocation and indicates to "cache bust".
let location = temp_dir.path().join("remote").to_path_buf();
let file_fetcher = CliFileFetcher::new(
Arc::new(GlobalHttpCache::new(
location,
crate::cache::RealDenoCacheEnv,
)),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::ReloadAll,
log::Level::Info,
);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(
&*file.source,
"export { printHello } from \"./print_hello.ts\";\n"
);
assert_eq!(file.media_type, MediaType::TypeScript);
}
#[tokio::test]
async fn test_fetch_uses_cache() {
let _http_server_guard = test_util::http_server();
let temp_dir = TempDir::new();
let location = temp_dir.path().join("remote").to_path_buf();
let specifier =
resolve_url("http://localhost:4545/subdir/mismatch_ext.ts").unwrap();
let http_cache = Arc::new(GlobalHttpCache::new(
location.clone(),
crate::cache::RealDenoCacheEnv,
));
let file_modified_01 = {
let file_fetcher = CliFileFetcher::new(
http_cache.clone(),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::Use,
log::Level::Info,
);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let cache_key = http_cache.cache_item_key(&specifier).unwrap();
(
http_cache.read_modified_time(&cache_key).unwrap(),
http_cache.read_headers(&cache_key).unwrap().unwrap(),
http_cache.read_download_time(&cache_key).unwrap().unwrap(),
)
};
let file_modified_02 = {
let file_fetcher = CliFileFetcher::new(
Arc::new(GlobalHttpCache::new(
location,
crate::cache::RealDenoCacheEnv,
)),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::Use,
log::Level::Info,
);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let cache_key = http_cache.cache_item_key(&specifier).unwrap();
(
http_cache.read_modified_time(&cache_key).unwrap(),
http_cache.read_headers(&cache_key).unwrap().unwrap(),
http_cache.read_download_time(&cache_key).unwrap().unwrap(),
)
};
assert_eq!(file_modified_01, file_modified_02);
}
#[tokio::test]
async fn test_fetch_redirected() {
let _http_server_guard = test_util::http_server();
let (file_fetcher, _, _, http_cache) =
setup_with_blob_store_and_cache(CacheSetting::Use, None);
let specifier =
resolve_url("http://localhost:4546/subdir/redirects/redirect1.js")
.unwrap();
let redirected_specifier =
resolve_url("http://localhost:4545/subdir/redirects/redirect1.js")
.unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
assert_eq!(file.url, redirected_specifier);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &specifier),
"",
"redirected files should have empty cached contents"
);
assert_eq!(
get_location_header_from_cache(http_cache.as_ref(), &specifier),
Some("http://localhost:4545/subdir/redirects/redirect1.js".to_string()),
);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &redirected_specifier),
"export const redirect = 1;\n"
);
assert_eq!(
get_location_header_from_cache(
http_cache.as_ref(),
&redirected_specifier
),
None,
);
}
#[tokio::test]
async fn test_fetch_multiple_redirects() {
let _http_server_guard = test_util::http_server();
let (file_fetcher, _, _, http_cache) =
setup_with_blob_store_and_cache(CacheSetting::Use, None);
let specifier =
resolve_url("http://localhost:4548/subdir/redirects/redirect1.js")
.unwrap();
let redirected_01_specifier =
resolve_url("http://localhost:4546/subdir/redirects/redirect1.js")
.unwrap();
let redirected_02_specifier =
resolve_url("http://localhost:4545/subdir/redirects/redirect1.js")
.unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
assert_eq!(file.url, redirected_02_specifier);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &specifier),
"",
"redirected files should have empty cached contents"
);
assert_eq!(
get_location_header_from_cache(http_cache.as_ref(), &specifier),
Some("http://localhost:4546/subdir/redirects/redirect1.js".to_string()),
);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &redirected_01_specifier),
"",
"redirected files should have empty cached contents"
);
assert_eq!(
get_location_header_from_cache(
http_cache.as_ref(),
&redirected_01_specifier
),
Some("http://localhost:4545/subdir/redirects/redirect1.js".to_string()),
);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &redirected_02_specifier),
"export const redirect = 1;\n"
);
assert_eq!(
get_location_header_from_cache(
http_cache.as_ref(),
&redirected_02_specifier
),
None,
);
}
#[tokio::test]
async fn test_fetch_uses_cache_with_redirects() {
let _http_server_guard = test_util::http_server();
let temp_dir = TempDir::new();
let location = temp_dir.path().join("remote").to_path_buf();
let specifier =
resolve_url("http://localhost:4548/subdir/mismatch_ext.ts").unwrap();
let redirected_specifier =
resolve_url("http://localhost:4546/subdir/mismatch_ext.ts").unwrap();
let http_cache = Arc::new(GlobalHttpCache::new(
location.clone(),
crate::cache::RealDenoCacheEnv,
));
let metadata_file_modified_01 = {
let file_fetcher = CliFileFetcher::new(
http_cache.clone(),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::Use,
log::Level::Info,
);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let cache_key = http_cache.cache_item_key(&redirected_specifier).unwrap();
(
http_cache.read_modified_time(&cache_key).unwrap(),
http_cache.read_headers(&cache_key).unwrap().unwrap(),
http_cache.read_download_time(&cache_key).unwrap().unwrap(),
)
};
let metadata_file_modified_02 = {
let file_fetcher = CliFileFetcher::new(
http_cache.clone(),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::Use,
log::Level::Info,
);
let result = file_fetcher
.fetch_bypass_permissions(&redirected_specifier)
.await;
assert!(result.is_ok());
let cache_key = http_cache.cache_item_key(&redirected_specifier).unwrap();
(
http_cache.read_modified_time(&cache_key).unwrap(),
http_cache.read_headers(&cache_key).unwrap().unwrap(),
http_cache.read_download_time(&cache_key).unwrap().unwrap(),
)
};
assert_eq!(metadata_file_modified_01, metadata_file_modified_02);
}
#[tokio::test]
async fn test_fetcher_limits_redirects() {
let _http_server_guard = test_util::http_server();
let (file_fetcher, _) = setup(CacheSetting::Use, None);
let specifier =
resolve_url("http://localhost:4548/subdir/redirects/redirect1.js")
.unwrap();
let result = file_fetcher
.fetch_with_options_and_max_redirect(
&specifier,
FetchPermissionsOptionRef::AllowAll,
Default::default(),
2,
)
.await;
assert!(result.is_ok());
let result = file_fetcher
.fetch_with_options_and_max_redirect(
&specifier,
FetchPermissionsOptionRef::AllowAll,
Default::default(),
1,
)
.await;
assert!(result.is_err());
let result = file_fetcher.file_fetcher.fetch_cached(&specifier, 2);
assert!(result.is_ok());
let result = file_fetcher.file_fetcher.fetch_cached(&specifier, 1);
assert!(result.is_err());
}
#[tokio::test]
async fn test_fetch_same_host_redirect() {
let _http_server_guard = test_util::http_server();
let (file_fetcher, _, _, http_cache) =
setup_with_blob_store_and_cache(CacheSetting::Use, None);
let specifier = resolve_url(
"http://localhost:4550/REDIRECT/subdir/redirects/redirect1.js",
)
.unwrap();
let redirected_specifier =
resolve_url("http://localhost:4550/subdir/redirects/redirect1.js")
.unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
assert_eq!(file.url, redirected_specifier);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &specifier),
"",
"redirected files should have empty cached contents"
);
assert_eq!(
get_location_header_from_cache(http_cache.as_ref(), &specifier),
Some("/subdir/redirects/redirect1.js".to_string()),
);
assert_eq!(
get_text_from_cache(http_cache.as_ref(), &redirected_specifier),
"export const redirect = 1;\n"
);
assert_eq!(
get_location_header_from_cache(
http_cache.as_ref(),
&redirected_specifier
),
None
);
}
#[tokio::test]
async fn test_fetch_no_remote() {
let _http_server_guard = test_util::http_server();
let temp_dir = TempDir::new();
let location = temp_dir.path().join("remote").to_path_buf();
let file_fetcher = CliFileFetcher::new(
Arc::new(GlobalHttpCache::new(
location,
crate::cache::RealDenoCacheEnv,
)),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
false,
CacheSetting::Use,
log::Level::Info,
);
let specifier =
resolve_url("http://localhost:4545/run/002_hello.ts").unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_err());
let err = result.unwrap_err();
let err = err.downcast::<CliFetchNoFollowError>().unwrap().into_kind();
match err {
CliFetchNoFollowErrorKind::FetchNoFollow(err) => {
let err = err.into_kind();
match &err {
FetchNoFollowErrorKind::NoRemote { .. } => {
assert_eq!(err.to_string(), "A remote specifier was requested: \"http://localhost:4545/run/002_hello.ts\", but --no-remote is specified.");
}
_ => unreachable!(),
}
}
_ => unreachable!(),
}
}
#[tokio::test]
async fn test_fetch_cache_only() {
let _http_server_guard = test_util::http_server();
let temp_dir = TempDir::new();
let location = temp_dir.path().join("remote").to_path_buf();
let file_fetcher_01 = CliFileFetcher::new(
Arc::new(GlobalHttpCache::new(location.clone(), RealDenoCacheEnv)),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::Only,
log::Level::Info,
);
let file_fetcher_02 = CliFileFetcher::new(
Arc::new(GlobalHttpCache::new(location, RealDenoCacheEnv)),
Arc::new(HttpClientProvider::new(None, None)),
Default::default(),
None,
true,
CacheSetting::Use,
log::Level::Info,
);
let specifier =
resolve_url("http://localhost:4545/run/002_hello.ts").unwrap();
let result = file_fetcher_01.fetch_bypass_permissions(&specifier).await;
assert!(result.is_err());
let err = result.unwrap_err();
let err = err.downcast::<CliFetchNoFollowError>().unwrap().into_kind();
match err {
CliFetchNoFollowErrorKind::FetchNoFollow(err) => {
let err = err.into_kind();
match &err {
FetchNoFollowErrorKind::NotCached { .. } => {
assert_eq!(err.to_string(), "Specifier not found in cache: \"http://localhost:4545/run/002_hello.ts\", --cached-only is specified.");
}
_ => unreachable!(),
}
}
_ => unreachable!(),
}
let result = file_fetcher_02.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let result = file_fetcher_01.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
}
#[tokio::test]
async fn test_fetch_local_bypasses_file_cache() {
let (file_fetcher, temp_dir) = setup(CacheSetting::Use, None);
let fixture_path = temp_dir.path().join("mod.ts");
let specifier = ModuleSpecifier::from_file_path(&fixture_path).unwrap();
fixture_path.write(r#"console.log("hello deno");"#);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(&*file.source, r#"console.log("hello deno");"#);
fixture_path.write(r#"console.log("goodbye deno");"#);
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = TextDecodedFile::decode(result.unwrap()).unwrap();
assert_eq!(&*file.source, r#"console.log("goodbye deno");"#);
}
#[tokio::test]
async fn test_respect_cache_revalidates() {
let _g = test_util::http_server();
let temp_dir = TempDir::new();
let (file_fetcher, _) =
setup(CacheSetting::RespectHeaders, Some(temp_dir.clone()));
let specifier =
ModuleSpecifier::parse("http://localhost:4545/dynamic").unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
let first = file.source;
let (file_fetcher, _) =
setup(CacheSetting::RespectHeaders, Some(temp_dir.clone()));
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
let second = file.source;
assert_ne!(first, second);
}
#[tokio::test]
async fn test_respect_cache_still_fresh() {
let _g = test_util::http_server();
let temp_dir = TempDir::new();
let (file_fetcher, _) =
setup(CacheSetting::RespectHeaders, Some(temp_dir.clone()));
let specifier =
ModuleSpecifier::parse("http://localhost:4545/dynamic_cache").unwrap();
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
let first = file.source;
let (file_fetcher, _) =
setup(CacheSetting::RespectHeaders, Some(temp_dir.clone()));
let result = file_fetcher.fetch_bypass_permissions(&specifier).await;
assert!(result.is_ok());
let file = result.unwrap();
let second = file.source;
assert_eq!(first, second);
}
#[tokio::test]
async fn test_fetch_local_utf_16be() {
let expected =
String::from_utf8(b"console.log(\"Hello World\");\x0A".to_vec()).unwrap();
test_fetch_local_encoded("utf-16be", expected).await;
}
#[tokio::test]
async fn test_fetch_local_utf_16le() {
let expected =
String::from_utf8(b"console.log(\"Hello World\");\x0A".to_vec()).unwrap();
test_fetch_local_encoded("utf-16le", expected).await;
}
#[tokio::test]
async fn test_fetch_local_utf8_with_bom() {
let expected =
String::from_utf8(b"console.log(\"Hello World\");\x0A".to_vec()).unwrap();
test_fetch_local_encoded("utf-8", expected).await;
}
#[tokio::test]
async fn test_fetch_remote_utf16_le() {
let expected =
std::str::from_utf8(b"console.log(\"Hello World\");\x0A").unwrap();
test_fetch_remote_encoded("utf-16le.ts", "utf-16le", expected).await;
}
#[tokio::test]
async fn test_fetch_remote_utf16_be() {
let expected =
std::str::from_utf8(b"console.log(\"Hello World\");\x0A").unwrap();
test_fetch_remote_encoded("utf-16be.ts", "utf-16be", expected).await;
}
#[tokio::test]
async fn test_fetch_remote_window_1255() {
let expected = "console.log(\"\u{5E9}\u{5DC}\u{5D5}\u{5DD} \
\u{5E2}\u{5D5}\u{5DC}\u{5DD}\");\u{A}";
test_fetch_remote_encoded("windows-1255", "windows-1255", expected).await;
}
fn create_http_client_adapter() -> HttpClientAdapter {
HttpClientAdapter {
http_client_provider: Arc::new(HttpClientProvider::new(None, None)),
download_log_level: log::Level::Info,
progress_bar: None,
}
}
#[tokio::test]
async fn test_fetch_string() {
let _http_server_guard = test_util::http_server();
let url = Url::parse("http://127.0.0.1:4545/assets/fixture.json").unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, HeaderMap::new()).await;
if let Ok(SendResponse::Success(headers, body)) = result {
assert!(!body.is_empty());
assert_eq!(headers.get("content-type").unwrap(), "application/json");
assert_eq!(headers.get("etag"), None);
assert_eq!(headers.get("x-typescript-types"), None);
} else {
panic!();
}
}
#[tokio::test]
async fn test_fetch_gzip() {
let _http_server_guard = test_util::http_server();
let url = Url::parse("http://127.0.0.1:4545/run/import_compression/gziped")
.unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, HeaderMap::new()).await;
if let Ok(SendResponse::Success(headers, body)) = result {
assert_eq!(String::from_utf8(body).unwrap(), "console.log('gzip')");
assert_eq!(
headers.get("content-type").unwrap(),
"application/javascript"
);
assert_eq!(headers.get("etag"), None);
assert_eq!(headers.get("x-typescript-types"), None);
} else {
panic!();
}
}
#[tokio::test]
async fn test_fetch_with_etag() {
let _http_server_guard = test_util::http_server();
let url = Url::parse("http://127.0.0.1:4545/etag_script.ts").unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, HeaderMap::new()).await;
if let Ok(SendResponse::Success(headers, body)) = result {
assert!(!body.is_empty());
assert_eq!(String::from_utf8(body).unwrap(), "console.log('etag')");
assert_eq!(
headers.get("content-type").unwrap(),
"application/typescript"
);
assert_eq!(headers.get("etag").unwrap(), "33a64df551425fcc55e");
} else {
panic!();
}
let mut headers = HeaderMap::new();
headers.insert("if-none-match", "33a64df551425fcc55e".parse().unwrap());
let res = client.send_no_follow(&url, headers).await;
assert_eq!(res.unwrap(), SendResponse::NotModified);
}
#[tokio::test]
async fn test_fetch_brotli() {
let _http_server_guard = test_util::http_server();
let url = Url::parse("http://127.0.0.1:4545/run/import_compression/brotli")
.unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, HeaderMap::new()).await;
if let Ok(SendResponse::Success(headers, body)) = result {
assert!(!body.is_empty());
assert_eq!(String::from_utf8(body).unwrap(), "console.log('brotli');");
assert_eq!(
headers.get("content-type").unwrap(),
"application/javascript"
);
assert_eq!(headers.get("etag"), None);
assert_eq!(headers.get("x-typescript-types"), None);
} else {
panic!();
}
}
#[tokio::test]
async fn test_fetch_accept() {
let _http_server_guard = test_util::http_server();
let url = Url::parse("http://127.0.0.1:4545/echo_accept").unwrap();
let client = create_http_client_adapter();
let mut headers = HeaderMap::new();
headers.insert("accept", "application/json".parse().unwrap());
let result = client.send_no_follow(&url, headers).await;
if let Ok(SendResponse::Success(_, body)) = result {
assert_eq!(body, r#"{"accept":"application/json"}"#.as_bytes());
} else {
panic!();
}
}
#[tokio::test]
async fn test_fetch_no_follow_with_redirect() {
let _http_server_guard = test_util::http_server();
let url = Url::parse("http://127.0.0.1:4546/assets/fixture.json").unwrap();
// Dns resolver substitutes `127.0.0.1` with `localhost`
let target_url =
Url::parse("http://localhost:4545/assets/fixture.json").unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, Default::default()).await;
if let Ok(SendResponse::Redirect(headers)) = result {
assert_eq!(headers.get("location").unwrap(), target_url.as_str());
} else {
panic!();
}
}
#[tokio::test]
async fn server_error() {
let _g = test_util::http_server();
let url_str = "http://127.0.0.1:4545/server_error";
let url = Url::parse(url_str).unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, Default::default()).await;
if let Err(SendError::StatusCode(status)) = result {
assert_eq!(status, 500);
} else {
panic!("{:?}", result);
}
}
#[tokio::test]
async fn request_error() {
let _g = test_util::http_server();
let url_str = "http://127.0.0.1:9999/";
let url = Url::parse(url_str).unwrap();
let client = create_http_client_adapter();
let result = client.send_no_follow(&url, Default::default()).await;
assert!(matches!(result, Err(SendError::Failed(_))));
}
#[track_caller]
fn get_text_from_cache(
http_cache: &dyn HttpCache,
url: &ModuleSpecifier,
) -> String {
let cache_key = http_cache.cache_item_key(url).unwrap();
let bytes = http_cache.get(&cache_key, None).unwrap().unwrap().content;
String::from_utf8(bytes.into_owned()).unwrap()
}
#[track_caller]
fn get_location_header_from_cache(
http_cache: &dyn HttpCache,
url: &ModuleSpecifier,
) -> Option<String> {
let cache_key = http_cache.cache_item_key(url).unwrap();
http_cache
.read_headers(&cache_key)
.unwrap()
.unwrap()
.remove("location")
}
}
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