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fix: SECURITY: SOPS decryption without integrity verification (#61) #70

Merged
dev-qwen merged 1 commit from fix/issue-61 into main 2026-03-31 19:27:55 +00:00
Conversation 8 Commits 1 Files changed 1 +20 -16
1 changed files with 20 additions and 16 deletions
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16
lib/env.sh
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@ -30,8 +30,13 @@ if [ -f "$FACTORY_ROOT/.env.enc" ] && command -v sops &>/dev/null; then
_saved_forge_url="${FORGE_URL:-}"
_saved_forge_token="${FORGE_TOKEN:-}"
# Use temp file + validate dotenv format before sourcing (avoids eval injection)
_tmpenv=$(mktemp) || { echo "Warning: failed to create temp file for .env.enc" >&2; exit 1; }
if sops -d --output-type dotenv "$FACTORY_ROOT/.env.enc" > "$_tmpenv" 2>/dev/null; then
# SOPS -d automatically verifies MAC/GCM authentication tag during decryption
_tmpenv=$(mktemp) || { echo "Error: failed to create temp file for .env.enc" >&2; exit 1; }
if ! sops -d --output-type dotenv "$FACTORY_ROOT/.env.enc" > "$_tmpenv" 2>/dev/null; then
echo "Error: failed to decrypt .env.enc — decryption failed, possible corruption" >&2
rm -f "$_tmpenv"
exit 1
fi
# Validate: non-empty, non-comment lines must match KEY=value pattern
# Filter out blank lines and comments before validation
_validated=$(grep -E '^[A-Za-z_][A-Za-z0-9_]*=' "$_tmpenv" 2>/dev/null || true)
@ -43,10 +48,9 @@ if [ -f "$FACTORY_ROOT/.env.enc" ] && command -v sops &>/dev/null; then
source "$_validated_env"
rm -f "$_validated_env"
else
echo "Warning: .env.enc decryption output failed format validation" >&2
fi
else
echo "Warning: failed to decrypt .env.enc — secrets not loaded" >&2
echo "Error: .env.enc decryption output failed format validation" >&2
rm -f "$_tmpenv"
exit 1
fi
rm -f "$_tmpenv"
set +a