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use crate::compare::{assert_match_exact, find_json_mismatch};
use crate::registry::{self, alt_api_path, FeatureMap};
use flate2::read::GzDecoder;
use std::collections::{HashMap, HashSet};
use std::fs;
use std::fs::File;
use std::io::{self, prelude::*, SeekFrom};
use std::path::{Path, PathBuf};
use tar::Archive;
fn read_le_u32<R>(mut reader: R) -> io::Result<u32>
where
R: Read,
{
let mut buf = [0; 4];
reader.read_exact(&mut buf)?;
Ok(u32::from_le_bytes(buf))
}
pub fn validate_upload(expected_json: &str, expected_crate_name: &str, expected_files: &[&str]) {
let new_path = registry::api_path().join("api/v1/crates/new");
_validate_upload(
&new_path,
expected_json,
expected_crate_name,
expected_files,
&[],
);
}
pub fn validate_upload_with_contents(
expected_json: &str,
expected_crate_name: &str,
expected_files: &[&str],
expected_contents: &[(&str, &str)],
) {
let new_path = registry::api_path().join("api/v1/crates/new");
_validate_upload(
&new_path,
expected_json,
expected_crate_name,
expected_files,
expected_contents,
);
}
pub fn validate_alt_upload(
expected_json: &str,
expected_crate_name: &str,
expected_files: &[&str],
) {
let new_path = alt_api_path().join("api/v1/crates/new");
_validate_upload(
&new_path,
expected_json,
expected_crate_name,
expected_files,
&[],
);
}
fn _validate_upload(
new_path: &Path,
expected_json: &str,
expected_crate_name: &str,
expected_files: &[&str],
expected_contents: &[(&str, &str)],
) {
let mut f = File::open(new_path).unwrap();
let json_sz = read_le_u32(&mut f).expect("read json length");
let mut json_bytes = vec![0; json_sz as usize];
f.read_exact(&mut json_bytes).expect("read JSON data");
let actual_json = serde_json::from_slice(&json_bytes).expect("uploaded JSON should be valid");
let expected_json = serde_json::from_str(expected_json).expect("expected JSON does not parse");
if let Err(e) = find_json_mismatch(&expected_json, &actual_json, None) {
panic!("{}", e);
}
let crate_sz = read_le_u32(&mut f).expect("read crate length");
let mut krate_bytes = vec![0; crate_sz as usize];
f.read_exact(&mut krate_bytes).expect("read crate data");
let current = f.seek(SeekFrom::Current(0)).unwrap();
assert_eq!(f.seek(SeekFrom::End(0)).unwrap(), current);
validate_crate_contents(
&krate_bytes[..],
expected_crate_name,
expected_files,
expected_contents,
);
}
pub fn validate_crate_contents(
reader: impl Read,
expected_crate_name: &str,
expected_files: &[&str],
expected_contents: &[(&str, &str)],
) {
let mut rdr = GzDecoder::new(reader);
assert_eq!(
rdr.header().unwrap().filename().unwrap(),
expected_crate_name.as_bytes()
);
let mut contents = Vec::new();
rdr.read_to_end(&mut contents).unwrap();
let mut ar = Archive::new(&contents[..]);
let files: HashMap<PathBuf, String> = ar
.entries()
.unwrap()
.map(|entry| {
let mut entry = entry.unwrap();
let name = entry.path().unwrap().into_owned();
let mut contents = String::new();
entry.read_to_string(&mut contents).unwrap();
(name, contents)
})
.collect();
assert!(expected_crate_name.ends_with(".crate"));
let base_crate_name = Path::new(&expected_crate_name[..expected_crate_name.len() - 6]);
let actual_files: HashSet<PathBuf> = files.keys().cloned().collect();
let expected_files: HashSet<PathBuf> = expected_files
.iter()
.map(|name| base_crate_name.join(name))
.collect();
let missing: Vec<&PathBuf> = expected_files.difference(&actual_files).collect();
let extra: Vec<&PathBuf> = actual_files.difference(&expected_files).collect();
if !missing.is_empty() || !extra.is_empty() {
panic!(
"uploaded archive does not match.\nMissing: {:?}\nExtra: {:?}\n",
missing, extra
);
}
if !expected_contents.is_empty() {
for (e_file_name, e_file_contents) in expected_contents {
let full_e_name = base_crate_name.join(e_file_name);
let actual_contents = files
.get(&full_e_name)
.unwrap_or_else(|| panic!("file `{}` missing in archive", e_file_name));
assert_match_exact(e_file_contents, actual_contents);
}
}
}
pub(crate) fn create_index_line(
name: serde_json::Value,
vers: &str,
deps: Vec<serde_json::Value>,
cksum: &str,
features: crate::registry::FeatureMap,
yanked: bool,
links: Option<String>,
v: Option<u32>,
) -> String {
let (features, features2) = split_index_features(features.clone());
let mut json = serde_json::json!({
"name": name,
"vers": vers,
"deps": deps,
"cksum": cksum,
"features": features,
"yanked": yanked,
"links": links,
});
if let Some(f2) = &features2 {
json["features2"] = serde_json::json!(f2);
json["v"] = serde_json::json!(2);
}
if let Some(v) = v {
json["v"] = serde_json::json!(v);
}
json.to_string()
}
pub(crate) fn write_to_index(registry_path: &PathBuf, name: &str, line: String, local: bool) {
let file = cargo_util::registry::make_dep_path(name, false);
let dst = if local {
registry_path.join("index").join(&file)
} else {
registry_path.join(&file)
};
let prev = fs::read_to_string(&dst).unwrap_or_default();
t!(fs::create_dir_all(dst.parent().unwrap()));
t!(fs::write(&dst, prev + &line[..] + "\n"));
if !local {
let repo = t!(git2::Repository::open(®istry_path));
let mut index = t!(repo.index());
t!(index.add_path(Path::new(&file)));
t!(index.write());
let id = t!(index.write_tree());
let tree = t!(repo.find_tree(id));
let sig = t!(repo.signature());
let parent = t!(repo.refname_to_id("refs/heads/master"));
let parent = t!(repo.find_commit(parent));
t!(repo.commit(
Some("HEAD"),
&sig,
&sig,
"Another commit",
&tree,
&[&parent]
));
}
}
fn split_index_features(mut features: FeatureMap) -> (FeatureMap, Option<FeatureMap>) {
let mut features2 = FeatureMap::new();
for (feat, values) in features.iter_mut() {
if values
.iter()
.any(|value| value.starts_with("dep:") || value.contains("?/"))
{
let new_values = values.drain(..).collect();
features2.insert(feat.clone(), new_values);
}
}
if features2.is_empty() {
(features, None)
} else {
(features, Some(features2))
}
}