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Early unset tokens from env

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Taiki Endo
2026-04-10 16:21:15 +09:00
parent befe16e822
commit ba626b4d71
1 changed files with 11 additions and 2 deletions
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13
main.sh
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@@ -627,6 +627,15 @@ case "${fallback}" in
*) bail "'fallback' input option must be 'none', 'cargo-binstall', or 'cargo-install': '${fallback}'" ;; *) bail "'fallback' input option must be 'none', 'cargo-binstall', or 'cargo-install': '${fallback}'" ;;
esac esac
# Unlike gh command, cargo-binstall reads GITHUB_TOKEN first via cli parser, and then reads GH_TOKEN.
# https://github.com/cargo-bins/cargo-binstall/blob/v1.17.9/crates/bin/src/args.rs#L704
token="${GITHUB_TOKEN:-"${GH_TOKEN:-"${DEFAULT_GITHUB_TOKEN:-}"}"}"
# This prevents tokens from being displayed to subprocesses via environment variables.
# Since the tokens remain in the parent process's environment variables, and since unset may not
# immediately cleanse memory, setting `fallback: none` (which prevents the tokens from being set
# in the first place) remains the best practice from a security standpoint, as readme says.
unset GITHUB_TOKEN GH_TOKEN DEFAULT_GITHUB_TOKEN
case "${host_os}" in case "${host_os}" in
linux) linux)
if ! type -P jq >/dev/null || ! type -P curl >/dev/null || ! type -P tar >/dev/null; then if ! type -P jq >/dev/null || ! type -P curl >/dev/null || ! type -P tar >/dev/null; then
@@ -921,8 +930,8 @@ if [[ ${#unsupported_tools[@]} -gt 0 ]]; then
# As a result, http will be disabled, and it will also set # As a result, http will be disabled, and it will also set
# min tls version to be 1.2 # min tls version to be 1.2
binstall_args=(--force --no-confirm --locked "${unsupported_tools[@]}") binstall_args=(--force --no-confirm --locked "${unsupported_tools[@]}")
if [[ -z "${GITHUB_TOKEN:-}" ]] && [[ -n "${DEFAULT_GITHUB_TOKEN:-}" ]]; then if [[ -n "${token}" ]]; then
cargo-binstall binstall --github-token "${DEFAULT_GITHUB_TOKEN}" "${binstall_args[@]}" cargo-binstall binstall --github-token "${token}" "${binstall_args[@]}"
else else
cargo-binstall binstall "${binstall_args[@]}" cargo-binstall binstall "${binstall_args[@]}"
fi fi