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/*
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* Minimalist Object Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package api
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import (
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"net/http"
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"github.com/gorilla/mux"
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"github.com/minio-io/minio/pkg/drivers"
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"github.com/minio-io/minio/pkg/utils/log"
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)
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// GET Bucket (List Objects)
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// -------------------------
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// This implementation of the GET operation returns some or all (up to 1000)
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// of the objects in a bucket. You can use the request parameters as selection
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// criteria to return a subset of the objects in a bucket.
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//
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func (server *minioAPI) listObjectsHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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bucket := vars["bucket"]
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resources := getBucketResources(req.URL.Query())
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if resources.Policy == true {
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server.getBucketPolicyHandler(w, req)
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return
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}
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if resources.Maxkeys == 0 {
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resources.Maxkeys = maxObjectList
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}
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acceptsContentType := getContentType(req)
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objects, resources, err := server.driver.ListObjects(bucket, resources)
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switch err.(type) {
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case nil: // success
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{
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// write headers
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setCommonHeaders(w, getContentTypeString(acceptsContentType))
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w.WriteHeader(http.StatusOK)
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// write body
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response := generateObjectsListResult(bucket, objects, resources)
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encodedResponse := encodeResponse(response, acceptsContentType)
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w.Write(encodedResponse)
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}
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case drivers.BucketNotFound:
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{
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writeErrorResponse(w, req, NoSuchBucket, acceptsContentType, req.URL.Path)
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}
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case drivers.ImplementationError:
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{
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writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
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}
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case drivers.BucketNameInvalid:
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{
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writeErrorResponse(w, req, InvalidBucketName, acceptsContentType, req.URL.Path)
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}
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case drivers.ObjectNameInvalid:
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{
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writeErrorResponse(w, req, NoSuchKey, acceptsContentType, req.URL.Path)
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}
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}
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}
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// GET Service
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// -----------
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// This implementation of the GET operation returns a list of all buckets
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// owned by the authenticated sender of the request.
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func (server *minioAPI) listBucketsHandler(w http.ResponseWriter, req *http.Request) {
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acceptsContentType := getContentType(req)
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buckets, err := server.driver.ListBuckets()
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switch err := err.(type) {
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case nil:
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{
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response := generateBucketsListResult(buckets)
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// write headers
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setCommonHeaders(w, getContentTypeString(acceptsContentType))
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w.WriteHeader(http.StatusOK)
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// write response
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encodedResponse := encodeResponse(response, acceptsContentType)
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w.Write(encodedResponse)
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}
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case drivers.BackendCorrupted:
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{
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log.Error.Println("Backend Corrupted")
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writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
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}
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default:
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{
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log.Error.Println(err)
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writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
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}
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}
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}
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// PUT Bucket
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// ----------
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// This implementation of the PUT operation creates a new bucket for authenticated request
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func (server *minioAPI) putBucketHandler(w http.ResponseWriter, req *http.Request) {
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vars := mux.Vars(req)
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bucket := vars["bucket"]
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err := server.driver.CreateBucket(bucket)
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resources := getBucketResources(req.URL.Query())
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if resources.Policy == true {
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server.putBucketPolicyHandler(w, req)
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return
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}
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acceptsContentType := getContentType(req)
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switch err.(type) {
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case nil:
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{
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w.Header().Set("Server", "Minio")
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w.Header().Set("Connection", "close")
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w.WriteHeader(http.StatusOK)
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}
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case drivers.BucketNameInvalid:
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{
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writeErrorResponse(w, req, InvalidBucketName, acceptsContentType, req.URL.Path)
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}
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case drivers.BucketExists:
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{
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writeErrorResponse(w, req, InvalidBucketName, acceptsContentType, req.URL.Path)
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}
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case drivers.ImplementationError:
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{
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writeErrorResponse(w, req, InternalError, acceptsContentType, req.URL.Path)
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}
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}
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}
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