mirror of
https://github.com/denoland/deno
synced 2024-08-27 20:09:17 +00:00
181 lines
4.7 KiB
Rust
181 lines
4.7 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use bytes::Bytes;
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use deno_ast::MediaType;
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use deno_core::anyhow::Context;
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use deno_core::error::AnyError;
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use deno_core::url::Url;
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use sha2::Digest;
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use std::fmt::Write as FmtWrite;
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use std::io::Write;
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use std::path::Path;
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use tar::Header;
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use crate::cache::LazyGraphSourceParser;
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use super::diagnostics::PublishDiagnostic;
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use super::diagnostics::PublishDiagnosticsCollector;
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use super::paths::CollectedPublishPath;
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use super::unfurl::SpecifierUnfurler;
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#[derive(Debug, Clone, PartialEq)]
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pub struct PublishableTarballFile {
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pub path_str: String,
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pub specifier: Url,
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pub hash: String,
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pub size: usize,
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}
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#[derive(Debug, Clone, PartialEq)]
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pub struct PublishableTarball {
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pub files: Vec<PublishableTarballFile>,
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pub hash: String,
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pub bytes: Bytes,
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}
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pub fn create_gzipped_tarball(
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publish_paths: &[CollectedPublishPath],
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source_parser: LazyGraphSourceParser,
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diagnostics_collector: &PublishDiagnosticsCollector,
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unfurler: &SpecifierUnfurler,
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) -> Result<PublishableTarball, AnyError> {
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let mut tar = TarGzArchive::new();
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let mut files = vec![];
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for path in publish_paths {
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let path_str = &path.relative_path;
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let specifier = &path.specifier;
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let path = &path.path;
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let content = resolve_content_maybe_unfurling(
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path,
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specifier,
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unfurler,
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source_parser,
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diagnostics_collector,
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)?;
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files.push(PublishableTarballFile {
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path_str: path_str.clone(),
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specifier: specifier.clone(),
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// This hash string matches the checksum computed by registry
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hash: format!("sha256-{:x}", sha2::Sha256::digest(&content)),
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size: content.len(),
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});
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tar
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.add_file(format!(".{}", path_str), &content)
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.with_context(|| {
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format!("Unable to add file to tarball '{}'", path.display())
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})?;
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}
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let v = tar.finish().context("Unable to finish tarball")?;
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let hash_bytes: Vec<u8> = sha2::Sha256::digest(&v).iter().cloned().collect();
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let mut hash = "sha256-".to_string();
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for byte in hash_bytes {
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write!(&mut hash, "{:02x}", byte).unwrap();
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}
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files.sort_by(|a, b| a.specifier.cmp(&b.specifier));
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Ok(PublishableTarball {
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files,
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hash,
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bytes: Bytes::from(v),
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})
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}
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fn resolve_content_maybe_unfurling(
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path: &Path,
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specifier: &Url,
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unfurler: &SpecifierUnfurler,
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source_parser: LazyGraphSourceParser,
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diagnostics_collector: &PublishDiagnosticsCollector,
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) -> Result<Vec<u8>, AnyError> {
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let parsed_source = match source_parser.get_or_parse_source(specifier)? {
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Some(parsed_source) => parsed_source,
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None => {
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let data = std::fs::read(path)
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.with_context(|| format!("Unable to read file '{}'", path.display()))?;
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let media_type = MediaType::from_specifier(specifier);
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match media_type {
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MediaType::JavaScript
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| MediaType::Jsx
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| MediaType::Mjs
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| MediaType::Cjs
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| MediaType::TypeScript
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| MediaType::Mts
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| MediaType::Cts
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| MediaType::Dts
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| MediaType::Dmts
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| MediaType::Dcts
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| MediaType::Tsx => {
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// continue
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}
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MediaType::SourceMap
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| MediaType::Unknown
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| MediaType::Json
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| MediaType::Wasm
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| MediaType::TsBuildInfo => {
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// not unfurlable data
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return Ok(data);
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}
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}
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let text = String::from_utf8(data)?;
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deno_ast::parse_module(deno_ast::ParseParams {
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specifier: specifier.clone(),
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text_info: deno_ast::SourceTextInfo::from_string(text),
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media_type,
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capture_tokens: false,
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maybe_syntax: None,
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scope_analysis: false,
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})?
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}
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};
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log::debug!("Unfurling {}", specifier);
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let mut reporter = |diagnostic| {
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diagnostics_collector.push(PublishDiagnostic::SpecifierUnfurl(diagnostic));
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};
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let content = unfurler.unfurl(specifier, &parsed_source, &mut reporter);
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Ok(content.into_bytes())
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}
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struct TarGzArchive {
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builder: tar::Builder<Vec<u8>>,
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}
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impl TarGzArchive {
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pub fn new() -> Self {
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Self {
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builder: tar::Builder::new(Vec::new()),
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}
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}
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pub fn add_file(
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&mut self,
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path: String,
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data: &[u8],
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) -> Result<(), AnyError> {
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let mut header = Header::new_gnu();
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header.set_size(data.len() as u64);
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self.builder.append_data(&mut header, &path, data)?;
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Ok(())
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}
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fn finish(mut self) -> Result<Vec<u8>, AnyError> {
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self.builder.finish()?;
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let bytes = self.builder.into_inner()?;
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let mut gz_bytes = Vec::new();
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let mut encoder = flate2::write::GzEncoder::new(
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&mut gz_bytes,
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flate2::Compression::default(),
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);
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encoder.write_all(&bytes)?;
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encoder.finish()?;
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Ok(gz_bytes)
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}
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}
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