0aedb67de0
Currently the server would set 'application/octet-stream' for all objects, set this value based on the file extension transparently. This is useful in case of minio browser to facilitate displaying proper icons for the different mime data types.
103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
/*
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* Minio Cloud 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 main
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import (
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"bytes"
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"crypto/rand"
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"encoding/xml"
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"net/http"
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"runtime"
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"strconv"
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"github.com/minio/minio/pkg/fs"
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)
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//// helpers
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// Static alphaNumeric table used for generating unique request ids
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var alphaNumericTable = []byte("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ")
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// generateRequestID - Generate request id
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func generateRequestID() []byte {
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alpha := make([]byte, 16)
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rand.Read(alpha)
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for i := 0; i < 16; i++ {
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alpha[i] = alphaNumericTable[alpha[i]%byte(len(alphaNumericTable))]
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}
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return alpha
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}
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// Write http common headers
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func setCommonHeaders(w http.ResponseWriter) {
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// Set unique request ID for each reply.
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w.Header().Set("X-Amz-Request-Id", string(generateRequestID()))
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w.Header().Set("Server", ("Minio/" + minioReleaseTag + " (" + runtime.GOOS + "; " + runtime.GOARCH + ")"))
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w.Header().Set("Accept-Ranges", "bytes")
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}
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// Write error response headers
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func encodeErrorResponse(response interface{}) []byte {
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var bytesBuffer bytes.Buffer
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// write common headers
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bytesBuffer.WriteString(xml.Header)
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e := xml.NewEncoder(&bytesBuffer)
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e.Encode(response)
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return bytesBuffer.Bytes()
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}
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// Write object header
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func setObjectHeaders(w http.ResponseWriter, metadata fs.ObjectMetadata, contentRange *httpRange) {
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// set common headers
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if contentRange != nil {
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if contentRange.length > 0 {
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w.Header().Set("Content-Length", strconv.FormatInt(contentRange.length, 10))
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setCommonHeaders(w)
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} else {
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w.Header().Set("Content-Length", strconv.FormatInt(metadata.Size, 10))
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setCommonHeaders(w)
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}
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} else {
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w.Header().Set("Content-Length", strconv.FormatInt(metadata.Size, 10))
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setCommonHeaders(w)
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}
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// set object headers
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lastModified := metadata.Created.Format(http.TimeFormat)
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// object related headers
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w.Header().Set("Content-Type", metadata.ContentType)
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if metadata.Md5 != "" {
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w.Header().Set("ETag", "\""+metadata.Md5+"\"")
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}
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w.Header().Set("Last-Modified", lastModified)
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// set content range
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if contentRange != nil {
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if contentRange.start > 0 || contentRange.length > 0 {
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w.Header().Set("Content-Range", contentRange.String())
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w.WriteHeader(http.StatusPartialContent)
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}
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}
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}
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func encodeSuccessResponse(response interface{}) []byte {
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var bytesBuffer bytes.Buffer
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bytesBuffer.WriteString(xml.Header)
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e := xml.NewEncoder(&bytesBuffer)
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e.Encode(response)
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return bytesBuffer.Bytes()
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}
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