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Adapt per comments

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This commit is contained in:
Reinier Criel 2025-12-03 15:40:02 -08:00
parent 890fee83ad
commit 297a264fe0
3 changed files with 27 additions and 50 deletions
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23
packages/safe-chain/src/registryProxy/interceptors/pipInterceptor.js
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@ -8,9 +8,6 @@ const knownPipRegistries = [
"pythonhosted.org",
];
// Pattern for sdist extensions
const sdistExtWithMetadataRe = /\.(tar\.gz|zip|tar\.bz2|tar\.xz)(\.metadata)?$/i;
/**
* @param {string} url
* @returns {import("./interceptorBuilder.js").Interceptor | undefined}
@ -40,8 +37,9 @@ function buildPipInterceptor(registry) {
// Per python, packages that differ only by hyphen vs underscore are considered the same.
const hyphenName = packageName?.includes("_") ? packageName.replace(/_/g, "-") : packageName;
const isMalicious = await isMalwarePackage(packageName, version)
|| await isMalwarePackage(hyphenName, version);
const isMalicious =
await isMalwarePackage(packageName, version)
|| await isMalwarePackage(hyphenName, version);
if (isMalicious) {
reqContext.blockMalware(packageName, version);
@ -83,17 +81,20 @@ function parsePipPackageFromUrl(url, registry) {
// Example sdist: https://files.pythonhosted.org/packages/xx/yy/requests-2.28.1.tar.gz
// Wheel (.whl) and Poetry's preflight metadata (.whl.metadata)
if (filename.endsWith(".whl") || filename.endsWith(".whl.metadata")) {
const base = filename.endsWith(".whl")
? filename.slice(0, -4)
: filename.slice(0, -".whl.metadata".length);
// Examples:
// foo_bar-2.0.0-py3-none-any.whl
// foo_bar-2.0.0-py3-none-any.whl.metadata
const wheelExtRe = /\.whl(?:\.metadata)?$/;
const wheelExtMatch = filename.match(wheelExtRe);
if (wheelExtMatch) {
const base = filename.replace(wheelExtRe, "");
const firstDash = base.indexOf("-");
if (firstDash > 0) {
const dist = base.slice(0, firstDash); // may contain underscores
const rest = base.slice(firstDash + 1); // version + the rest of tags
const secondDash = rest.indexOf("-");
const rawVersion = secondDash >= 0 ? rest.slice(0, secondDash) : rest;
packageName = dist; // preserve underscores
packageName = dist;
version = rawVersion;
// Reject "latest" as it's a placeholder, not a real version
// When version is "latest", this signals the URL doesn't contain actual version info
@ -106,6 +107,7 @@ function parsePipPackageFromUrl(url, registry) {
}
// Source dist (sdist) and potential metadata sidecars (e.g., .tar.gz.metadata)
const sdistExtWithMetadataRe = /\.(tar\.gz|zip|tar\.bz2|tar\.xz)(\.metadata)?$/i;
const sdistExtMatch = filename.match(sdistExtWithMetadataRe);
if (sdistExtMatch) {
const base = filename.replace(sdistExtWithMetadataRe, "");
@ -122,7 +124,6 @@ function parsePipPackageFromUrl(url, registry) {
return { packageName, version };
}
}
// Unknown file type or invalid
return { packageName: undefined, version: undefined };
}