Add bucket to be part of object struct, reply back with BucketNotFound

for erroneous Object Put requests.

Other minor cleanups, to follow

  - https://github.com/golang/go/wiki/CodeReviewComments

pkg/storage/inmemory/inmemory.go

@@ -5,7 +5,6 @@ import (
 	"crypto/sha256"
 	"fmt"
 	"io"
-	"log"
 	"strings"
 	"time"
 
@@ -43,15 +42,21 @@ func (storage *storage) CopyObjectToWriter(w io.Writer, bucket string, object st
 
 func (storage *storage) StoreObject(bucket string, key string, data io.Reader) error {
 	objectKey := bucket + ":" + key
+
+	if _, ok := storage.bucketdata[bucket]; ok == false {
+		return mstorage.BucketNotFound{Bucket: bucket}
+	}
+
 	if _, ok := storage.objectdata[objectKey]; ok == true {
 		return mstorage.ObjectExists{Bucket: bucket, Key: key}
 	}
 	var bytesBuffer bytes.Buffer
-	newObject := storedObject{}
+	var newObject = storedObject{}
 	if _, ok := io.Copy(&bytesBuffer, data); ok == nil {
 		size := bytesBuffer.Len()
 		etag := fmt.Sprintf("%x", sha256.Sum256(bytesBuffer.Bytes()))
 		newObject.metadata = mstorage.ObjectMetadata{
+			Bucket:  bucket,
 			Key:     key,
 			Created: time.Now(),
 			Size:    size,
@@ -71,13 +76,13 @@ func (storage *storage) StoreBucket(bucketName string) error {
 	if _, ok := storage.bucketdata[bucketName]; ok == true {
 		return mstorage.BucketExists{Bucket: bucketName}
 	}
-	newBucket := storedBucket{}
-	newBucket.metadata = mstorage.BucketMetadata{
-		Name:    bucketName,
-		Created: time.Now(),
-	}
-	log.Println(bucketName)
+
+	var newBucket = storedBucket{}
+	newBucket.metadata = mstorage.BucketMetadata{}
+	newBucket.metadata.Name = bucketName
+	newBucket.metadata.Created = time.Now()
 	storage.bucketdata[bucketName] = newBucket
+
 	return nil
 }
 
@@ -85,8 +90,10 @@ func (storage *storage) ListObjects(bucket, prefix string, count int) []mstorage
 	// TODO prefix and count handling
 	var results []mstorage.ObjectMetadata
 	for key, object := range storage.objectdata {
-		if strings.HasPrefix(key, bucket+":") {
-			results = append(results, object.metadata)
+		if bucket == object.metadata.Bucket {
+			if strings.HasPrefix(key, bucket+":") {
+				results = append(results, object.metadata)
+			}
 		}
 	}
 	return results

pkg/storage/storage.go

@@ -40,6 +40,7 @@ type BucketMetadata struct {
 }
 
 type ObjectMetadata struct {
+	Bucket  string
 	Key     string
 	Created time.Time
 	Size    int

pkg/storage/storage_errors.go

@@ -10,16 +10,16 @@ type ObjectExists struct {
 	Key    string
 }
 
-type BucketNameInvalid struct {
-	Bucket string
-}
-
-type BucketExists struct {
-	Bucket string
-}
-
 type ObjectNotFound GenericError
 
+type GenericBucketError struct {
+	Bucket string
+}
+
+type BucketNameInvalid GenericBucketError
+type BucketExists GenericBucketError
+type BucketNotFound GenericBucketError
+
 func (self ObjectNotFound) Error() string {
 	return "Object not Found: " + self.Bucket + "#" + self.Path
 }
@@ -35,3 +35,7 @@ func (self BucketNameInvalid) Error() string {
 func (self BucketExists) Error() string {
 	return "Bucket exists: " + self.Bucket
 }
+
+func (self BucketNotFound) Error() string {
+	return "Bucket not Found: " + self.Bucket
+}

pkg/webapi/minioapi/minioapi.go

@@ -51,9 +51,8 @@ type encoder interface {
 
 func HttpHandler(storage mstorage.Storage) http.Handler {
 	mux := mux.NewRouter()
-	api := minioApi{
-		storage: storage,
-	}
+	var api = minioApi{}
+	api.storage = storage
 
 	mux.HandleFunc("/", api.listBucketsHandler).Methods("GET")
 	mux.HandleFunc("/{bucket}", api.listObjectsHandler).Methods("GET")
@@ -62,6 +61,7 @@ func HttpHandler(storage mstorage.Storage) http.Handler {
 	mux.HandleFunc("/{bucket}/{object:.*}", api.getObjectHandler).Methods("GET")
 	mux.HandleFunc("/{bucket}/{object:.*}", api.headObjectHandler).Methods("HEAD")
 	mux.HandleFunc("/{bucket}/{object:.*}", api.putObjectHandler).Methods("PUT")
+
 	return mux
 }
 
@@ -113,9 +113,8 @@ func (server *minioApi) headObjectHandler(w http.ResponseWriter, req *http.Reque
 
 func (server *minioApi) listBucketsHandler(w http.ResponseWriter, req *http.Request) {
 	vars := mux.Vars(req)
-	var prefix string
-	var ok bool
-	if prefix, ok = vars["prefix"]; ok == false {
+	prefix, ok := vars["prefix"]
+	if !ok {
 		prefix = ""
 	}
 
@@ -145,7 +144,7 @@ func (server *minioApi) listObjectsHandler(w http.ResponseWriter, req *http.Requ
 	vars := mux.Vars(req)
 	bucket := vars["bucket"]
 	prefix, ok := vars["prefix"]
-	if ok == false {
+	if !ok {
 		prefix = ""
 	}
 
@@ -196,8 +195,7 @@ func (server *minioApi) putBucketHandler(w http.ResponseWriter, req *http.Reques
 	}
 }
 
-// Helpers
-
+// Write Object Header helper
 func writeObjectHeaders(w http.ResponseWriter, metadata mstorage.ObjectMetadata) {
 	lastModified := metadata.Created.Format(time.RFC1123)
 	w.Header().Set("ETag", metadata.ETag)
@@ -206,53 +204,48 @@ func writeObjectHeaders(w http.ResponseWriter, metadata mstorage.ObjectMetadata)
 	w.Header().Set("Content-Type", "text/plain")
 }
 
-func generateBucketsListResult(buckets []mstorage.BucketMetadata) (data BucketListResponse) {
+func generateBucketsListResult(buckets []mstorage.BucketMetadata) BucketListResponse {
 	var listbuckets []*Bucket
+	var data = BucketListResponse{}
+	var owner = Owner{}
 
-	owner := Owner{
-		ID:          "minio",
-		DisplayName: "minio",
-	}
+	owner.ID = "minio"
+	owner.DisplayName = "minio"
 
 	for _, bucket := range buckets {
-		listbucket := &Bucket{
-			Name:         bucket.Name,
-			CreationDate: bucket.Created.Format(dateFormat),
-		}
+		var listbucket = &Bucket{}
+		listbucket.Name = bucket.Name
+		listbucket.CreationDate = bucket.Created.Format(dateFormat)
 		listbuckets = append(listbuckets, listbucket)
 	}
 
-	data = BucketListResponse{
-		Owner: owner,
-	}
+	data.Owner = owner
 	data.Buckets.Bucket = listbuckets
-	return
+
+	return data
 }
 
-func generateObjectsListResult(bucket string, objects []mstorage.ObjectMetadata) (data ObjectListResponse) {
+func generateObjectsListResult(bucket string, objects []mstorage.ObjectMetadata) ObjectListResponse {
 	var contents []*Item
+	var owner = Owner{}
+	var data = ObjectListResponse{}
 
-	owner := Owner{
-		ID:          "minio",
-		DisplayName: "minio",
-	}
+	owner.ID = "minio"
+	owner.DisplayName = "minio"
 
 	for _, object := range objects {
-		content := &Item{
-			Key:          object.Key,
-			LastModified: object.Created.Format(dateFormat),
-			ETag:         object.ETag,
-			Size:         object.Size,
-			StorageClass: "STANDARD",
-			Owner:        owner,
-		}
+		var content = &Item{}
+		content.Key = object.Key
+		content.LastModified = object.Created.Format(dateFormat)
+		content.ETag = object.ETag
+		content.Size = object.Size
+		content.StorageClass = "STANDARD"
+		content.Owner = owner
 		contents = append(contents, content)
 	}
-	data = ObjectListResponse{
-		Name:        bucket,
-		Contents:    contents,
-		MaxKeys:     MAX_OBJECT_LIST,
-		IsTruncated: false,
-	}
-	return
+	data.Name = bucket
+	data.Contents = contents
+	data.MaxKeys = MAX_OBJECT_LIST
+	data.IsTruncated = false
+	return data
 }