Refactor to move config handling into api/

pkg/api/api_policy_handlers.go

@@ -0,0 +1,149 @@
+/*
+ * Mini Object Storage, (C) 2015 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 (
+	"encoding/json"
+	"log"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	mstorage "github.com/minio-io/minio/pkg/storage"
+)
+
+// PUT Bucket policy
+// -----------------
+// This implementation of the PUT operation uses the policy subresource
+// to add to or replace a policy on a bucket
+func (server *minioAPI) putBucketPolicyHandler(w http.ResponseWriter, req *http.Request) {
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	acceptsContentType := getContentType(req)
+
+	policy, ok := mstorage.Parsepolicy(req.Body)
+	if ok == false {
+		error := errorCodeError(InvalidPolicyDocument)
+		errorResponse := getErrorResponse(error, bucket)
+		w.WriteHeader(error.HTTPStatusCode)
+		w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		return
+	}
+
+	err := server.storage.CreateBucketPolicy(bucket, policy)
+	switch err := err.(type) {
+	case nil:
+		{
+			w.WriteHeader(http.StatusNoContent)
+			writeCommonHeaders(w, getContentString(acceptsContentType))
+			w.Header().Set("Connection", "keep-alive")
+		}
+	case mstorage.BucketNameInvalid:
+		{
+			error := errorCodeError(InvalidBucketName)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.BucketNotFound:
+		{
+			error := errorCodeError(NoSuchBucket)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.BackendCorrupted:
+		{
+			log.Println(err)
+			error := errorCodeError(InternalError)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.ImplementationError:
+		{
+			log.Println(err)
+			error := errorCodeError(InternalError)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	}
+}
+
+// GET Bucket policy
+// -----------------
+// This implementation of the GET operation uses the policy subresource
+// to return the policy of a specified bucket.
+func (server *minioAPI) getBucketPolicyHandler(w http.ResponseWriter, req *http.Request) {
+	vars := mux.Vars(req)
+	bucket := vars["bucket"]
+	acceptsContentType := getContentType(req)
+
+	p, err := server.storage.GetBucketPolicy(bucket)
+	switch err := err.(type) {
+	case nil:
+		{
+			responsePolicy, ret := json.Marshal(p)
+			if ret != nil {
+				error := errorCodeError(InternalError)
+				errorResponse := getErrorResponse(error, bucket)
+				w.WriteHeader(error.HTTPStatusCode)
+				w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+			}
+			writeCommonHeaders(w, getContentString(acceptsContentType))
+			w.Header().Set("Connection", "keep-alive")
+			w.Write(responsePolicy)
+		}
+	case mstorage.BucketNameInvalid:
+		{
+			error := errorCodeError(InvalidBucketName)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.BucketNotFound:
+		{
+			error := errorCodeError(NoSuchBucket)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.BucketPolicyNotFound:
+		{
+			error := errorCodeError(NoSuchBucketPolicy)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.BackendCorrupted:
+		{
+			log.Println(err)
+			error := errorCodeError(InternalError)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	case mstorage.ImplementationError:
+		{
+			log.Println(err)
+			error := errorCodeError(InternalError)
+			errorResponse := getErrorResponse(error, bucket)
+			w.WriteHeader(error.HTTPStatusCode)
+			w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
+		}
+	}
+}