Fix incorrect checksum (base64 encoded).

Create bucket in unittest instead of GitHub Actions.

.github/workflows/test-s3.yml

@@ -20,14 +20,7 @@ jobs:
                     - 1.21.x
         steps:
         -   name: Install MinIO
-            run: |
+            run: docker run -d -p 9000:9000 --name minio minio/minio server /data
-                docker run -d -p 9000:9000 --name minio minio/minio server /data
-
-                export AWS_ACCESS_KEY_ID=minioadmin
-                export AWS_SECRET_ACCESS_KEY=minioadmin
-                export AWS_EC2_METADATA_DISABLED=true
-
-                aws --endpoint-url http://127.0.0.1:9000/ s3 mb s3://testbucket
         -   name: Fetch Repository
             uses: actions/checkout@v4
         -   name: Install Go

s3/init_test.go

@@ -1,22 +1,38 @@
 package s3
 
 import (
+	"os"
+	"testing"
 	"time"
 )
 
+const (
+	bucket = "testbucket"
+)
+
 var testStore *Storage
 
-func init() {
+func TestMain(m *testing.M) {
 	testStore = New(
 		Config{
-			Bucket:   "testbucket",
+			Bucket:   bucket,
 			Endpoint: "http://127.0.0.1:9000/",
 			Region:   "us-east-1",
 			Credentials: Credentials{
 				AccessKey:       "minioadmin",
 				SecretAccessKey: "minioadmin",
 			},
-			RequestTimeout: 10 * time.Second,
+			RequestTimeout: 3 * time.Second,
 		},
 	)
+
+	// Create test bucket.
+	_ = testStore.CreateBucket(bucket)
+
+	exitVal := m.Run()
+
+	// Delete test bucket.
+	_ = testStore.DeleteBucket(bucket)
+
+	os.Exit(exitVal)
 }

s3/s3.go

@@ -159,7 +159,7 @@ func (s *Storage) Close() error {
 	return nil
 }
 
-// Return database client
+// Conn returns database client.
 func (s *Storage) Conn() *s3.Client {
 	return s.svc
 }
@@ -186,11 +186,11 @@ func returnAWSConfig(cfg Config) (aws.Config, error) {
 	})
 
 	if cfg.Credentials != (Credentials{}) {
-		credentials := credentials.NewStaticCredentialsProvider(cfg.Credentials.AccessKey, cfg.Credentials.SecretAccessKey, "")
+		creds := credentials.NewStaticCredentialsProvider(cfg.Credentials.AccessKey, cfg.Credentials.SecretAccessKey, "")
 		return awsconfig.LoadDefaultConfig(context.TODO(),
 			awsconfig.WithRegion(cfg.Region),
 			awsconfig.WithEndpointResolverWithOptions(endpoint),
-			awsconfig.WithCredentialsProvider(credentials),
+			awsconfig.WithCredentialsProvider(creds),
 			awsconfig.WithRetryer(func() aws.Retryer {
 				return retry.AddWithMaxAttempts(retry.NewStandard(), cfg.MaxAttempts)
 			}),

s3/s3_methods.go

@@ -2,6 +2,7 @@ package s3
 
 import (
 	"bytes"
+	"encoding/base64"
 	"fmt"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
@@ -11,6 +12,29 @@ import (
 
 // Additional methods for S3, but not required by gofiber Storage interface.
 
+// CreateBucket creates a new bucket.
+func (s *Storage) CreateBucket(bucket string) error {
+	ctx, cancel := s.requestContext()
+	defer cancel()
+
+	_, err := s.svc.CreateBucket(ctx, &s3.CreateBucketInput{
+		Bucket: aws.String(bucket),
+	})
+
+	return err
+}
+
+func (s *Storage) DeleteBucket(bucket string) error {
+	ctx, cancel := s.requestContext()
+	defer cancel()
+
+	_, err := s.svc.DeleteBucket(ctx, &s3.DeleteBucketInput{
+		Bucket: aws.String(bucket),
+	})
+
+	return err
+}
+
 // SetWithChecksum sets key with value and checksum.
 //
 // Currently 4 algorithms are supported:
@@ -25,31 +49,34 @@ func (s *Storage) SetWithChecksum(key string, val []byte, checksum map[types.Che
 		return nil
 	}
 
-	ctx, cancel := s.requestContext()
+	poi := s3.PutObjectInput{
-	defer cancel()
-
-	poi := &s3.PutObjectInput{
 		Bucket: &s.bucket,
 		Key:    aws.String(key),
 		Body:   bytes.NewReader(val),
 	}
 
 	for alg, sum := range checksum {
+		// S3 requires base64 encoded checksum.
+		b64str := base64.StdEncoding.EncodeToString(sum)
+
 		switch alg {
 		case types.ChecksumAlgorithmCrc32:
-			poi.ChecksumCRC32 = aws.String(string(sum))
+			poi.ChecksumCRC32 = aws.String(b64str)
 		case types.ChecksumAlgorithmCrc32c:
-			poi.ChecksumCRC32C = aws.String(string(sum))
+			poi.ChecksumCRC32C = aws.String(b64str)
 		case types.ChecksumAlgorithmSha1:
-			poi.ChecksumSHA1 = aws.String(string(sum))
+			poi.ChecksumSHA1 = aws.String(b64str)
 		case types.ChecksumAlgorithmSha256:
-			poi.ChecksumSHA256 = aws.String(string(sum))
+			poi.ChecksumSHA256 = aws.String(b64str)
 		default:
 			return fmt.Errorf("invalid checksum algorithm: %s", alg)
 		}
 	}
 
-	_, err := s.uploader.Upload(ctx, poi)
+	ctx, cancel := s.requestContext()
+	defer cancel()
+
+	_, err := s.uploader.Upload(ctx, &poi)
 
 	return err
 }

s3/s3_methods_test.go

@@ -8,20 +8,43 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+func Test_S3_CreateDeleteBucket(t *testing.T) {
+	bkt := "test-new-bucket"
+
+	err := testStore.CreateBucket(bkt)
+	require.NoError(t, err)
+
+	err = testStore.DeleteBucket(bkt)
+	require.NoError(t, err)
+}
+
 func Test_S3_SetWithChecksum(t *testing.T) {
 	var (
-		key       = "set-with-checksum"
+		key = "set-with-checksum"
-		val       = []byte("doe")
+		val = []byte("doe")
-		sha256sum = sha256.New().Sum(val)
-		checksum  = map[types.ChecksumAlgorithm][]byte{
-			types.ChecksumAlgorithmSha256: sha256sum,
-		}
 	)
 
+	// Create SHA-256 hash and get checksum.
+	sha256Hash := sha256.New()
+	sha256Hash.Write(val)
+	sha256sum := sha256Hash.Sum(nil)
+
+	checksum := map[types.ChecksumAlgorithm][]byte{
+		types.ChecksumAlgorithmSha256: sha256sum,
+	}
+
 	err := testStore.SetWithChecksum(key, val, checksum)
 	require.NoError(t, err)
 
 	result, err := testStore.Get(key)
 	require.NoError(t, err)
-	require.Equal(t, sha256sum, sha256.New().Sum(result))
+
+	// Compare value.
+	require.Equal(t, result, val)
+
+	// Compare checksum.
+	hash2 := sha256.New()
+	hash2.Write(result)
+	sha256sum2 := hash2.Sum(nil)
+	require.Equal(t, sha256sum, sha256sum2)
 }