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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use bytes::Bytes;
use deno_config::glob::FilePatterns;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_core::url::Url;
use sha2::Digest;
use std::collections::HashSet;
use std::ffi::OsStr;
use std::fmt::Write as FmtWrite;
use std::io::Write;
use std::path::Path;
use tar::Header;
use crate::tools::registry::paths::PackagePath;
use crate::util::import_map::ImportMapUnfurler;
use super::diagnostics::PublishDiagnostic;
use super::diagnostics::PublishDiagnosticsCollector;
#[derive(Debug, Clone, PartialEq)]
pub struct PublishableTarballFile {
pub specifier: Url,
pub size: usize,
}
#[derive(Debug, Clone, PartialEq)]
pub struct PublishableTarball {
pub files: Vec<PublishableTarballFile>,
pub hash: String,
pub bytes: Bytes,
}
pub fn create_gzipped_tarball(
dir: &Path,
source_cache: &dyn deno_graph::ParsedSourceStore,
diagnostics_collector: &PublishDiagnosticsCollector,
unfurler: &ImportMapUnfurler,
file_patterns: Option<FilePatterns>,
) -> Result<PublishableTarball, AnyError> {
let mut tar = TarGzArchive::new();
let mut files = vec![];
let mut paths = HashSet::new();
let mut iterator = walkdir::WalkDir::new(dir).follow_links(false).into_iter();
while let Some(entry) = iterator.next() {
let entry = entry?;
let path = entry.path();
let file_type = entry.file_type();
let matches_pattern = file_patterns
.as_ref()
.map(|p| p.matches_path(path))
.unwrap_or(true);
if !matches_pattern
|| path.file_name() == Some(OsStr::new(".git"))
|| path.file_name() == Some(OsStr::new("node_modules"))
{
if file_type.is_dir() {
iterator.skip_current_dir();
}
continue;
}
let Ok(specifier) = Url::from_file_path(path) else {
diagnostics_collector
.to_owned()
.push(PublishDiagnostic::InvalidPath {
path: path.to_path_buf(),
message: "unable to convert path to url".to_string(),
});
continue;
};
if file_type.is_file() {
let Ok(relative_path) = path.strip_prefix(dir) else {
diagnostics_collector
.to_owned()
.push(PublishDiagnostic::InvalidPath {
path: path.to_path_buf(),
message: "path is not in publish directory".to_string(),
});
continue;
};
let path_str = relative_path.components().fold(
"".to_string(),
|mut path, component| {
path.push('/');
match component {
std::path::Component::Normal(normal) => {
path.push_str(&normal.to_string_lossy())
}
std::path::Component::CurDir => path.push('.'),
std::path::Component::ParentDir => path.push_str(".."),
_ => unreachable!(),
}
path
},
);
match PackagePath::new(path_str.clone()) {
Ok(package_path) => {
if !paths.insert(package_path) {
diagnostics_collector.to_owned().push(
PublishDiagnostic::DuplicatePath {
path: path.to_path_buf(),
},
);
}
}
Err(err) => {
diagnostics_collector.to_owned().push(
PublishDiagnostic::InvalidPath {
path: path.to_path_buf(),
message: err.to_string(),
},
);
}
}
let data = std::fs::read(path).with_context(|| {
format!("Unable to read file '{}'", entry.path().display())
})?;
files.push(PublishableTarballFile {
specifier: specifier.clone(),
size: data.len(),
});
let content = match source_cache.get_parsed_source(&specifier) {
Some(parsed_source) => {
let mut reporter = |diagnostic| {
diagnostics_collector
.push(PublishDiagnostic::ImportMapUnfurl(diagnostic));
};
let content =
unfurler.unfurl(&specifier, &parsed_source, &mut reporter);
content.into_bytes()
}
None => data,
};
tar
.add_file(format!(".{}", path_str), &content)
.with_context(|| {
format!("Unable to add file to tarball '{}'", entry.path().display())
})?;
} else if !file_type.is_dir() {
diagnostics_collector.push(PublishDiagnostic::UnsupportedFileType {
specifier,
kind: if file_type.is_symlink() {
"symlink".to_owned()
} else {
format!("{file_type:?}")
},
});
}
}
let v = tar.finish().context("Unable to finish tarball")?;
let hash_bytes: Vec<u8> = sha2::Sha256::digest(&v).iter().cloned().collect();
let mut hash = "sha256-".to_string();
for byte in hash_bytes {
write!(&mut hash, "{:02x}", byte).unwrap();
}
Ok(PublishableTarball {
files,
hash,
bytes: Bytes::from(v),
})
}
struct TarGzArchive {
builder: tar::Builder<Vec<u8>>,
}
impl TarGzArchive {
pub fn new() -> Self {
Self {
builder: tar::Builder::new(Vec::new()),
}
}
pub fn add_file(
&mut self,
path: String,
data: &[u8],
) -> Result<(), AnyError> {
let mut header = Header::new_gnu();
header.set_size(data.len() as u64);
self.builder.append_data(&mut header, &path, data)?;
Ok(())
}
fn finish(mut self) -> Result<Vec<u8>, AnyError> {
self.builder.finish()?;
let bytes = self.builder.into_inner()?;
let mut gz_bytes = Vec::new();
let mut encoder = flate2::write::GzEncoder::new(
&mut gz_bytes,
flate2::Compression::default(),
);
encoder.write_all(&bytes)?;
encoder.finish()?;
Ok(gz_bytes)
}
}
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