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//! ref: composer/src/Composer/Downloader/ArchiveDownloader.php
use anyhow::Result;
use indexmap::IndexMap;
use shirabe_php_shim::{bin2hex, file_exists, is_dir, random_bytes, realpath, RuntimeException, DIRECTORY_SEPARATOR};
use shirabe_external_packages::react::promise::promise_interface::PromiseInterface;
use shirabe_external_packages::symfony::component::finder::finder::Finder;
use crate::dependency_resolver::operation::install_operation::InstallOperation;
use crate::downloader::file_downloader::FileDownloader;
use crate::package::package_interface::PackageInterface;
use crate::util::platform::Platform;
#[derive(Debug)]
pub struct ArchiveDownloader {
pub(crate) inner: FileDownloader,
pub(crate) cleanup_executed: IndexMap<String, bool>,
}
impl ArchiveDownloader {
pub fn prepare(&mut self, r#type: &str, package: &dyn PackageInterface, path: &str, prev_package: Option<&dyn PackageInterface>) -> Result<Box<dyn PromiseInterface>> {
self.cleanup_executed.remove(package.get_name());
self.inner.prepare(r#type, package, path, prev_package)
}
pub fn cleanup(&mut self, r#type: &str, package: &dyn PackageInterface, path: &str, prev_package: Option<&dyn PackageInterface>) -> Result<Box<dyn PromiseInterface>> {
self.cleanup_executed.insert(package.get_name().to_string(), true);
self.inner.cleanup(r#type, package, path, prev_package)
}
pub fn install(&mut self, package: &dyn PackageInterface, path: &str, output: bool) -> Result<Box<dyn PromiseInterface>> {
if output {
self.inner.io.write_error(&format!(" - {}{}", InstallOperation::format(package, false), self.get_install_operation_appendix(package, path)));
}
let vendor_dir = self.inner.config.get("vendor-dir");
// clean up the target directory, unless it contains the vendor dir, as the vendor dir contains
// the archive to be extracted. This is the case when installing with create-project in the current directory
// but in that case we ensure the directory is empty already in ProjectInstaller so no need to empty it here.
if !self.inner.filesystem.normalize_path(&vendor_dir).contains(&self.inner.filesystem.normalize_path(&format!("{}{}", path, DIRECTORY_SEPARATOR))) {
self.inner.filesystem.empty_directory(path);
}
let temporary_dir;
loop {
temporary_dir = format!("{}/composer/{}", vendor_dir, bin2hex(&random_bytes(4)));
if !is_dir(&temporary_dir) {
break;
}
}
self.inner.add_cleanup_path(package, &temporary_dir);
// avoid cleaning up $path if installing in "." for eg create-project as we can not
// delete the directory we are currently in on windows
if !is_dir(path) || realpath(path) != Platform::get_cwd() {
self.inner.add_cleanup_path(package, path);
}
self.inner.filesystem.ensure_directory_exists(&temporary_dir);
let file_name = self.inner.get_file_name(package, path);
let filesystem = &self.inner.filesystem;
let cleanup = move || {
// remove cache if the file was corrupted
self.inner.clear_last_cache_write(package);
// clean up
filesystem.remove_directory(&temporary_dir);
if is_dir(path) && realpath(path) != Platform::get_cwd() {
filesystem.remove_directory(path);
}
self.inner.remove_cleanup_path(package, &temporary_dir);
let realpath_result = realpath(path);
if let Some(realpath_val) = realpath_result {
self.inner.remove_cleanup_path(package, &realpath_val);
}
};
let promise = match self.extract(package, &file_name, &temporary_dir) {
Ok(p) => p,
Err(e) => {
cleanup();
return Err(e);
}
};
Ok(promise.then(
Box::new(move || -> Result<Box<dyn PromiseInterface>> {
if file_exists(&file_name) {
filesystem.unlink(&file_name);
}
let get_folder_content = |dir: &str| -> Vec<std::path::PathBuf> {
let finder = Finder::create()
.ignore_vcs(false)
.ignore_dot_files(false)
.not_name(".DS_Store")
.depth(0)
.in_(dir);
finder.into_iter().collect()
};
let mut rename_recursively: Option<Box<dyn Fn(&str, &str) -> Result<()>>> = None;
// Renames (and recursively merges if needed) a folder into another one
//
// For custom installers, where packages may share paths, and given Composer 2's parallelism, we need to make sure
// that the source directory gets merged into the target one if the target exists. Otherwise rename() by default would
// put the source into the target e.g. src/ => target/src/ (assuming target exists) instead of src/ => target/
rename_recursively = Some(Box::new(move |from: &str, to: &str| -> Result<()> {
let content_dir = get_folder_content(from);
// move files back out of the temp dir
for file in &content_dir {
let file = file.to_string_lossy().to_string();
let file_basename = shirabe_php_shim::basename(&file);
if is_dir(&format!("{}/{}", to, file_basename)) {
if !is_dir(&file) {
return Err(RuntimeException {
message: format!("Installing {} would lead to overwriting the {}/{} directory with a file from the package, invalid operation.", package, to, file_basename),
code: 0,
}.into());
}
rename_recursively.as_ref().unwrap()(&file, &format!("{}/{}", to, file_basename))?;
} else {
filesystem.rename(&file, &format!("{}/{}", to, file_basename));
}
}
Ok(())
}));
let mut rename_as_one = false;
if !file_exists(path) {
rename_as_one = true;
} else if filesystem.is_dir_empty(path) {
match filesystem.remove_directory_php(path) {
Ok(true) => {
rename_as_one = true;
}
_ => {
// ignore error, and simply do not renameAsOne
}
}
}
let content_dir = get_folder_content(&temporary_dir);
let single_dir_at_top_level = content_dir.len() == 1 && is_dir(&content_dir[0].to_string_lossy().to_string());
if rename_as_one {
// if the target $path is clear, we can rename the whole package in one go instead of looping over the contents
let extracted_dir = if single_dir_at_top_level {
content_dir[0].to_string_lossy().to_string()
} else {
temporary_dir.clone()
};
filesystem.rename(&extracted_dir, path);
} else {
// only one dir in the archive, extract its contents out of it
let from = if single_dir_at_top_level {
content_dir[0].to_string_lossy().to_string()
} else {
temporary_dir.clone()
};
rename_recursively.as_ref().unwrap()(&from, path)?;
}
let promise = filesystem.remove_directory_async(&temporary_dir);
Ok(promise.then(
Box::new(move || -> Result<()> {
self.inner.remove_cleanup_path(package, &temporary_dir);
self.inner.remove_cleanup_path(package, path);
Ok(())
}),
None,
))
}),
Box::new(move |e: anyhow::Error| -> Result<()> {
cleanup();
Err(e)
}),
))
}
pub fn get_install_operation_appendix(&self, _package: &dyn PackageInterface, _path: &str) -> &str {
": Extracting archive"
}
pub(crate) fn extract(&self, _package: &dyn PackageInterface, _file: &str, _path: &str) -> Result<Box<dyn PromiseInterface>> {
todo!()
}
}
|
