Restructure minio api, move signature checks from utils to Api.

pkg/api/api_router.go

@@ -0,0 +1,90 @@
+/*
+ * Mini Object Storage, (C) 2014 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package api
+
+import (
+	"log"
+	"net/http"
+
+	x "github.com/gorilla/mux"
+	mstorage "github.com/minio-io/minio/pkg/storage"
+	"github.com/minio-io/minio/pkg/utils/config"
+)
+
+// private use
+type minioAPI struct {
+	domain  string
+	storage mstorage.Storage
+}
+
+// Path based routing
+func pathMux(api minioAPI, mux *x.Router) *x.Router {
+	mux.HandleFunc("/", api.listBucketsHandler).Methods("GET")
+	mux.HandleFunc("/{bucket}", api.listObjectsHandler).Methods("GET")
+	mux.HandleFunc("/{bucket}", api.putBucketHandler).Methods("PUT")
+	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
+}
+
+// Domain based routing
+func domainMux(api minioAPI, mux *x.Router) *x.Router {
+	mux.HandleFunc("/",
+		api.listObjectsHandler).Host("{bucket}" + "." + api.domain).Methods("GET")
+	mux.HandleFunc("/{object:.*}",
+		api.getObjectHandler).Host("{bucket}" + "." + api.domain).Methods("GET")
+	mux.HandleFunc("/{object:.*}",
+		api.headObjectHandler).Host("{bucket}" + "." + api.domain).Methods("HEAD")
+	mux.HandleFunc("/{object:.*}",
+		api.putObjectHandler).Host("{bucket}" + "." + api.domain).Methods("PUT")
+	mux.HandleFunc("/", api.listBucketsHandler).Methods("GET")
+	mux.HandleFunc("/{bucket}", api.putBucketHandler).Methods("PUT")
+
+	return mux
+}
+
+// Get proper router based on domain availability
+func getMux(api minioAPI, mux *x.Router) *x.Router {
+	switch true {
+	case api.domain == "":
+		return pathMux(api, mux)
+	case api.domain != "":
+		s := mux.Host(api.domain).Subrouter()
+		return domainMux(api, s)
+	}
+	return nil
+}
+
+// HTTPHandler - http wrapper handler
+func HTTPHandler(domain string, storage mstorage.Storage) http.Handler {
+	var mux *x.Router
+	var api = minioAPI{}
+	api.storage = storage
+	api.domain = domain
+
+	r := x.NewRouter()
+	mux = getMux(api, r)
+
+	var conf = config.Config{}
+	if err := conf.SetupConfig(); err != nil {
+		log.Fatal(err)
+	}
+
+	return validateHandler(conf, ignoreResourcesHandler(mux))
+}