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Merged
codeunia-dev merged 1 commit into from
Nov 25, 2025
Merged

feat: Encrypt backup artifacts with GPG using AES256 #378

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68 changes: 46 additions & 22 deletions .github/workflows/backup.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -68,13 +68,40 @@ jobs:
echo "Backup files created:"
ls -lh supabase_snapshot/

- name: Upload backup artifacts
- name: Encrypt backup files
env:
BACKUP_ENCRYPTION_KEY: ${{ secrets.BACKUP_ENCRYPTION_KEY }}
run: |
echo "🔒 Encrypting backup files..."

# Check if encryption key is set
if [ -z "$BACKUP_ENCRYPTION_KEY" ]; then
echo "❌ ERROR: BACKUP_ENCRYPTION_KEY is not set!"
echo "Please add BACKUP_ENCRYPTION_KEY to your repository secrets."
echo "This is required to encrypt backups in a public repository."
exit 1
fi

# Create encrypted archive
tar -czf supabase_snapshot.tar.gz supabase_snapshot/

# Encrypt using GPG with symmetric encryption
echo "$BACKUP_ENCRYPTION_KEY" | gpg --batch --yes --passphrase-fd 0 --symmetric --cipher-algo AES256 -o supabase_snapshot.tar.gz.gpg supabase_snapshot.tar.gz

# Remove unencrypted files
rm -rf supabase_snapshot/
rm supabase_snapshot.tar.gz

echo "✅ Backup encrypted successfully"
ls -lh supabase_snapshot.tar.gz.gpg

- name: Upload encrypted backup artifacts
uses: actions/upload-artifact@v4
with:
name: supabase-backup-${{ github.run_number }}-${{ github.run_attempt }}
path: supabase_snapshot/
name: supabase-backup-encrypted-${{ github.run_number }}-${{ github.run_attempt }}
path: supabase_snapshot.tar.gz.gpg
retention-days: 30
compression-level: 9
compression-level: 0

- name: Generate job summary
if: always()
Expand All @@ -83,27 +110,24 @@ jobs:
echo "" >> $GITHUB_STEP_SUMMARY
echo "**Date:** $(date)" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "🔒 **Security:** Backup is encrypted with AES256" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY

if [ -f supabase_snapshot/backup_info.txt ]; then
echo "## Backup Information" >> $GITHUB_STEP_SUMMARY
echo '```' >> $GITHUB_STEP_SUMMARY
cat supabase_snapshot/backup_info.txt >> $GITHUB_STEP_SUMMARY
if [ -f supabase_snapshot.tar.gz.gpg ]; then
echo "## Encrypted Backup File" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "| File | Size |" >> $GITHUB_STEP_SUMMARY
echo "|------|------|" >> $GITHUB_STEP_SUMMARY
size=$(du -h supabase_snapshot.tar.gz.gpg | cut -f1)
echo "| supabase_snapshot.tar.gz.gpg | $size |" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "## How to Decrypt" >> $GITHUB_STEP_SUMMARY
echo '```bash' >> $GITHUB_STEP_SUMMARY
echo "# Download the artifact, then run:" >> $GITHUB_STEP_SUMMARY
echo "gpg --decrypt supabase_snapshot.tar.gz.gpg > supabase_snapshot.tar.gz" >> $GITHUB_STEP_SUMMARY
echo "tar -xzf supabase_snapshot.tar.gz" >> $GITHUB_STEP_SUMMARY
echo '```' >> $GITHUB_STEP_SUMMARY
fi

echo "" >> $GITHUB_STEP_SUMMARY
echo "## Backup Files" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "| File | Size |" >> $GITHUB_STEP_SUMMARY
echo "|------|------|" >> $GITHUB_STEP_SUMMARY

for file in supabase_snapshot/*; do
if [ -f "$file" ]; then
filename=$(basename "$file")
size=$(du -h "$file" | cut -f1)
echo "| $filename | $size |" >> $GITHUB_STEP_SUMMARY
fi
done

echo "" >> $GITHUB_STEP_SUMMARY
echo "✅ Backup completed successfully!" >> $GITHUB_STEP_SUMMARY
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