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backport fixes to releases-v6 (#2527)

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This commit is contained in:
Aiqiao Yan
2026-07-16 15:43:33 -04:00
committed by GitHub
parent f93ca50bde
commit d23441a48e
3 changed files with 154 additions and 19 deletions
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40
dist/index.js vendored
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@@ -2059,6 +2059,23 @@ function getInputs() {
`${github.context.repo.owner}/${github.context.repo.repo}`.toUpperCase();
// Source branch, source version
result.ref = core.getInput('ref');
// core.getInput()'s default trim strips a range of Unicode characters such as a
// leading BOM (U+FEFF) or NBSP (U+00A0). Those are valid in a git ref name, so
// a fork branch named "<BOM>" + 40 hex chars would trim down to a bare SHA and
// be silently reclassified as a commit, bypassing the unsafe fork PR checkout
// guard.
//
// The trim below strips only the ASCII whitespace characters which are all forbidden
// in a git branch name.
// \t U+0009 horizontal tab - ASCII control, forbidden in ref names
// \n U+000A line feed - ASCII control, forbidden in ref names
// \v U+000B vertical tab - ASCII control, forbidden in ref names
// \f U+000C form feed - ASCII control, forbidden in ref names
// \r U+000D carriage return - ASCII control, forbidden in ref names
// ' ' U+0020 space - forbidden in ref names
const asciiTrimmedRef = core
.getInput('ref', { trimWhitespace: false })
.replace(/^[\t\n\v\f\r ]+|[\t\n\v\f\r ]+$/g, '');
if (!result.ref) {
if (isWorkflowRepository) {
result.ref = github.context.ref;
@@ -2071,8 +2088,8 @@ function getInputs() {
}
}
// SHA?
else if (result.ref.match(/^(?:[0-9a-fA-F]{40}|[0-9a-fA-F]{64})$/)) {
result.commit = result.ref;
else if (asciiTrimmedRef.match(/^(?:[0-9a-fA-F]{40}|[0-9a-fA-F]{64})$/)) {
result.commit = asciiTrimmedRef;
result.ref = '';
}
core.debug(`ref = '${result.ref}'`);
@@ -2150,12 +2167,19 @@ function getInputs() {
(core.getInput('allow-unsafe-pr-checkout') || 'false').toUpperCase() ===
'TRUE';
core.debug(`allow unsafe PR checkout = ${result.allowUnsafePrCheckout}`);
unsafePrCheckoutHelper.assertSafePrCheckout({
qualifiedRepository,
ref: result.ref,
commit: result.commit,
allowUnsafePrCheckout: result.allowUnsafePrCheckout
});
// The default self-checkout (this repository with no explicit ref) always
// resolves to the trusted ref/commit GitHub set for the triggering event, so
// the fork-checkout guard only needs to run when the caller customized the
// repository or ref.
const isDefaultCheckout = isWorkflowRepository && !core.getInput('ref');
if (!isDefaultCheckout) {
unsafePrCheckoutHelper.assertSafePrCheckout({
qualifiedRepository,
ref: result.ref,
commit: result.commit,
allowUnsafePrCheckout: result.allowUnsafePrCheckout
});
}
return result;
});
}