You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
668 lines
21 KiB
668 lines
21 KiB
/*
|
|
* Minio Cloud Storage, (C) 2015, 2016 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 main
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/base64"
|
|
"encoding/hex"
|
|
"encoding/xml"
|
|
"io"
|
|
"io/ioutil"
|
|
"mime/multipart"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
mux "github.com/gorilla/mux"
|
|
"github.com/minio/minio/pkg/probe"
|
|
)
|
|
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html
|
|
func enforceBucketPolicy(action string, bucket string, reqURL *url.URL) (s3Error APIErrorCode) {
|
|
// Read saved bucket policy.
|
|
policy, err := readBucketPolicy(bucket)
|
|
if err != nil {
|
|
errorIf(err.Trace(bucket), "GetBucketPolicy failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNotFound:
|
|
return ErrNoSuchBucket
|
|
case BucketNameInvalid:
|
|
return ErrInvalidBucketName
|
|
default:
|
|
// For any other error just return AccessDenied.
|
|
return ErrAccessDenied
|
|
}
|
|
}
|
|
// Parse the saved policy.
|
|
bucketPolicy, e := parseBucketPolicy(policy)
|
|
if e != nil {
|
|
errorIf(probe.NewError(e), "Parse policy failed.", nil)
|
|
return ErrAccessDenied
|
|
}
|
|
|
|
// Construct resource in 'arn:aws:s3:::examplebucket' format.
|
|
resource := AWSResourcePrefix + strings.TrimPrefix(reqURL.Path, "/")
|
|
|
|
// Get conditions for policy verification.
|
|
conditions := make(map[string]string)
|
|
for queryParam := range reqURL.Query() {
|
|
conditions[queryParam] = reqURL.Query().Get(queryParam)
|
|
}
|
|
|
|
// Validate action, resource and conditions with current policy statements.
|
|
if !bucketPolicyEvalStatements(action, resource, conditions, bucketPolicy.Statements) {
|
|
return ErrAccessDenied
|
|
}
|
|
return ErrNone
|
|
}
|
|
|
|
// GetBucketLocationHandler - GET Bucket location.
|
|
// -------------------------
|
|
// This operation returns bucket location.
|
|
func (api objectStorageAPI) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html
|
|
if s3Error := enforceBucketPolicy("s3:GetBucketLocation", bucket, r.URL); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
payload, e := ioutil.ReadAll(r.Body)
|
|
if e != nil {
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
return
|
|
}
|
|
// Verify Content-Md5, if payload is set.
|
|
if r.Header.Get("Content-Md5") != "" {
|
|
if r.Header.Get("Content-Md5") != base64.StdEncoding.EncodeToString(sumMD5(payload)) {
|
|
writeErrorResponse(w, r, ErrBadDigest, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
// Populate back the payload.
|
|
r.Body = ioutil.NopCloser(bytes.NewReader(payload))
|
|
var s3Error APIErrorCode // API error code.
|
|
validateRegion := false // Validate region.
|
|
if isRequestSignatureV4(r) {
|
|
s3Error = doesSignatureMatch(hex.EncodeToString(sum256(payload)), r, validateRegion)
|
|
} else if isRequestPresignedSignatureV4(r) {
|
|
s3Error = doesPresignedSignatureMatch(hex.EncodeToString(sum256(payload)), r, validateRegion)
|
|
}
|
|
if s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
_, err := api.ObjectAPI.GetBucketInfo(bucket)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "GetBucketInfo failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchBucket, r.URL.Path)
|
|
case BucketNameInvalid:
|
|
writeErrorResponse(w, r, ErrInvalidBucketName, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
|
|
// Generate response.
|
|
encodedSuccessResponse := encodeResponse(LocationResponse{})
|
|
// Get current region.
|
|
region := serverConfig.GetRegion()
|
|
if region != "us-east-1" {
|
|
encodedSuccessResponse = encodeResponse(LocationResponse{
|
|
Location: region,
|
|
})
|
|
}
|
|
setCommonHeaders(w) // Write headers.
|
|
writeSuccessResponse(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// ListMultipartUploadsHandler - GET Bucket (List Multipart uploads)
|
|
// -------------------------
|
|
// This operation lists in-progress multipart uploads. An in-progress
|
|
// multipart upload is a multipart upload that has been initiated,
|
|
// using the Initiate Multipart Upload request, but has not yet been
|
|
// completed or aborted. This operation returns at most 1,000 multipart
|
|
// uploads in the response.
|
|
//
|
|
func (api objectStorageAPI) ListMultipartUploadsHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/mpuAndPermissions.html
|
|
if s3Error := enforceBucketPolicy("s3:ListBucketMultipartUploads", bucket, r.URL); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
prefix, keyMarker, uploadIDMarker, delimiter, maxUploads, _ := getBucketMultipartResources(r.URL.Query())
|
|
if maxUploads < 0 {
|
|
writeErrorResponse(w, r, ErrInvalidMaxUploads, r.URL.Path)
|
|
return
|
|
}
|
|
if keyMarker != "" {
|
|
// Unescape keyMarker string
|
|
keyMarkerUnescaped, e := url.QueryUnescape(keyMarker)
|
|
if e != nil {
|
|
if e != nil {
|
|
// Return 'NoSuchKey' to indicate invalid marker key.
|
|
writeErrorResponse(w, r, ErrNoSuchKey, r.URL.Path)
|
|
return
|
|
}
|
|
keyMarker = keyMarkerUnescaped
|
|
// Marker not common with prefix is not implemented.
|
|
if !strings.HasPrefix(keyMarker, prefix) {
|
|
writeErrorResponse(w, r, ErrNotImplemented, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
listMultipartsInfo, err := api.ObjectAPI.ListMultipartUploads(bucket, prefix, keyMarker, uploadIDMarker, delimiter, maxUploads)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "ListMultipartUploads failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchBucket, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
// generate response
|
|
response := generateListMultipartUploadsResponse(bucket, listMultipartsInfo)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
// write headers.
|
|
setCommonHeaders(w)
|
|
// write success response.
|
|
writeSuccessResponse(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// ListObjectsHandler - GET Bucket (List Objects)
|
|
// -- -----------------------
|
|
// This implementation of the GET operation returns some or all (up to 1000)
|
|
// of the objects in a bucket. You can use the request parameters as selection
|
|
// criteria to return a subset of the objects in a bucket.
|
|
//
|
|
func (api objectStorageAPI) ListObjectsHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html
|
|
if s3Error := enforceBucketPolicy("s3:ListBucket", bucket, r.URL); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
// TODO handle encoding type.
|
|
prefix, marker, delimiter, maxkeys, _ := getBucketResources(r.URL.Query())
|
|
if maxkeys < 0 {
|
|
writeErrorResponse(w, r, ErrInvalidMaxKeys, r.URL.Path)
|
|
return
|
|
}
|
|
// Verify if delimiter is anything other than '/', which we do not support.
|
|
if delimiter != "" && delimiter != "/" {
|
|
writeErrorResponse(w, r, ErrNotImplemented, r.URL.Path)
|
|
return
|
|
}
|
|
// If marker is set unescape.
|
|
if marker != "" {
|
|
// Try to unescape marker.
|
|
markerUnescaped, e := url.QueryUnescape(marker)
|
|
if e != nil {
|
|
// Return 'NoSuchKey' to indicate invalid marker key.
|
|
writeErrorResponse(w, r, ErrNoSuchKey, r.URL.Path)
|
|
return
|
|
}
|
|
marker = markerUnescaped
|
|
// Marker not common with prefix is not implemented.
|
|
if !strings.HasPrefix(marker, prefix) {
|
|
writeErrorResponse(w, r, ErrNotImplemented, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
listObjectsInfo, err := api.ObjectAPI.ListObjects(bucket, prefix, marker, delimiter, maxkeys)
|
|
if err == nil {
|
|
// generate response
|
|
response := generateListObjectsResponse(bucket, prefix, marker, delimiter, maxkeys, listObjectsInfo)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
// Write headers
|
|
setCommonHeaders(w)
|
|
// Write success response.
|
|
writeSuccessResponse(w, encodedSuccessResponse)
|
|
return
|
|
}
|
|
switch err.ToGoError().(type) {
|
|
case BucketNameInvalid:
|
|
writeErrorResponse(w, r, ErrInvalidBucketName, r.URL.Path)
|
|
case BucketNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchBucket, r.URL.Path)
|
|
case ObjectNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchKey, r.URL.Path)
|
|
case ObjectNameInvalid:
|
|
writeErrorResponse(w, r, ErrNoSuchKey, r.URL.Path)
|
|
default:
|
|
errorIf(err.Trace(), "ListObjects failed.", nil)
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
}
|
|
|
|
// ListBucketsHandler - GET Service
|
|
// -----------
|
|
// This implementation of the GET operation returns a list of all buckets
|
|
// owned by the authenticated sender of the request.
|
|
func (api objectStorageAPI) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
|
|
// List buckets does not support bucket policies.
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypeSigned, authTypePresigned:
|
|
payload, e := ioutil.ReadAll(r.Body)
|
|
if e != nil {
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
return
|
|
}
|
|
// Verify Content-Md5, if payload is set.
|
|
if r.Header.Get("Content-Md5") != "" {
|
|
if r.Header.Get("Content-Md5") != base64.StdEncoding.EncodeToString(sumMD5(payload)) {
|
|
writeErrorResponse(w, r, ErrBadDigest, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
// Populate back the payload.
|
|
r.Body = ioutil.NopCloser(bytes.NewReader(payload))
|
|
var s3Error APIErrorCode // API error code.
|
|
validateRegion := false // Validate region.
|
|
if isRequestSignatureV4(r) {
|
|
s3Error = doesSignatureMatch(hex.EncodeToString(sum256(payload)), r, validateRegion)
|
|
} else if isRequestPresignedSignatureV4(r) {
|
|
s3Error = doesPresignedSignatureMatch(hex.EncodeToString(sum256(payload)), r, validateRegion)
|
|
}
|
|
if s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
bucketsInfo, err := api.ObjectAPI.ListBuckets()
|
|
if err == nil {
|
|
// generate response
|
|
response := generateListBucketsResponse(bucketsInfo)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
// write headers
|
|
setCommonHeaders(w)
|
|
// write response
|
|
writeSuccessResponse(w, encodedSuccessResponse)
|
|
return
|
|
}
|
|
errorIf(err.Trace(), "ListBuckets failed.", nil)
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
|
|
// DeleteMultipleObjectsHandler - deletes multiple objects.
|
|
func (api objectStorageAPI) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html
|
|
if s3Error := enforceBucketPolicy("s3:DeleteObject", bucket, r.URL); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Content-Length is required and should be non-zero
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
|
|
if r.ContentLength <= 0 {
|
|
writeErrorResponse(w, r, ErrMissingContentLength, r.URL.Path)
|
|
return
|
|
}
|
|
|
|
// Content-Md5 is requied should be set
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
|
|
if _, ok := r.Header["Content-Md5"]; !ok {
|
|
writeErrorResponse(w, r, ErrMissingContentMD5, r.URL.Path)
|
|
return
|
|
}
|
|
|
|
// Allocate incoming content length bytes.
|
|
deleteXMLBytes := make([]byte, r.ContentLength)
|
|
|
|
// Read incoming body XML bytes.
|
|
_, e := io.ReadFull(r.Body, deleteXMLBytes)
|
|
if e != nil {
|
|
errorIf(probe.NewError(e), "DeleteMultipleObjects failed.", nil)
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
return
|
|
}
|
|
|
|
// Unmarshal list of keys to be deleted.
|
|
deleteObjects := &DeleteObjectsRequest{}
|
|
if e := xml.Unmarshal(deleteXMLBytes, deleteObjects); e != nil {
|
|
writeErrorResponse(w, r, ErrMalformedXML, r.URL.Path)
|
|
return
|
|
}
|
|
|
|
var deleteErrors []DeleteError
|
|
var deletedObjects []ObjectIdentifier
|
|
// Loop through all the objects and delete them sequentially.
|
|
for _, object := range deleteObjects.Objects {
|
|
err := api.ObjectAPI.DeleteObject(bucket, object.ObjectName)
|
|
if err == nil {
|
|
deletedObjects = append(deletedObjects, ObjectIdentifier{
|
|
ObjectName: object.ObjectName,
|
|
})
|
|
} else {
|
|
errorIf(err.Trace(object.ObjectName), "DeleteObject failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNameInvalid:
|
|
deleteErrors = append(deleteErrors, DeleteError{
|
|
Code: errorCodeResponse[ErrInvalidBucketName].Code,
|
|
Message: errorCodeResponse[ErrInvalidBucketName].Description,
|
|
Key: object.ObjectName,
|
|
})
|
|
case BucketNotFound:
|
|
deleteErrors = append(deleteErrors, DeleteError{
|
|
Code: errorCodeResponse[ErrNoSuchBucket].Code,
|
|
Message: errorCodeResponse[ErrNoSuchBucket].Description,
|
|
Key: object.ObjectName,
|
|
})
|
|
case ObjectNotFound:
|
|
deleteErrors = append(deleteErrors, DeleteError{
|
|
Code: errorCodeResponse[ErrNoSuchKey].Code,
|
|
Message: errorCodeResponse[ErrNoSuchKey].Description,
|
|
Key: object.ObjectName,
|
|
})
|
|
case ObjectNameInvalid:
|
|
deleteErrors = append(deleteErrors, DeleteError{
|
|
Code: errorCodeResponse[ErrNoSuchKey].Code,
|
|
Message: errorCodeResponse[ErrNoSuchKey].Description,
|
|
Key: object.ObjectName,
|
|
})
|
|
default:
|
|
deleteErrors = append(deleteErrors, DeleteError{
|
|
Code: errorCodeResponse[ErrInternalError].Code,
|
|
Message: errorCodeResponse[ErrInternalError].Description,
|
|
Key: object.ObjectName,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
// Generate response
|
|
response := generateMultiDeleteResponse(deleteObjects.Quiet, deletedObjects, deleteErrors)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
// Write headers
|
|
setCommonHeaders(w)
|
|
// Write success response.
|
|
writeSuccessResponse(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// PutBucketHandler - PUT Bucket
|
|
// ----------
|
|
// This implementation of the PUT operation creates a new bucket for authenticated request
|
|
func (api objectStorageAPI) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
// Set http request for signature.
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Make bucket.
|
|
err := api.ObjectAPI.MakeBucket(bucket)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "MakeBucket failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNameInvalid:
|
|
writeErrorResponse(w, r, ErrInvalidBucketName, r.URL.Path)
|
|
case BucketExists:
|
|
writeErrorResponse(w, r, ErrBucketAlreadyExists, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
// Make sure to add Location information here only for bucket
|
|
w.Header().Set("Location", getLocation(r))
|
|
writeSuccessResponse(w, nil)
|
|
}
|
|
|
|
func extractHTTPFormValues(reader *multipart.Reader) (io.Reader, map[string]string, *probe.Error) {
|
|
/// HTML Form values
|
|
formValues := make(map[string]string)
|
|
filePart := new(bytes.Buffer)
|
|
var e error
|
|
for e == nil {
|
|
var part *multipart.Part
|
|
part, e = reader.NextPart()
|
|
if part != nil {
|
|
if part.FileName() == "" {
|
|
buffer, e := ioutil.ReadAll(part)
|
|
if e != nil {
|
|
return nil, nil, probe.NewError(e)
|
|
}
|
|
formValues[http.CanonicalHeaderKey(part.FormName())] = string(buffer)
|
|
} else {
|
|
if _, e := io.Copy(filePart, part); e != nil {
|
|
return nil, nil, probe.NewError(e)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return filePart, formValues, nil
|
|
}
|
|
|
|
// PostPolicyBucketHandler - POST policy
|
|
// ----------
|
|
// This implementation of the POST operation handles object creation with a specified
|
|
// signature policy in multipart/form-data
|
|
func (api objectStorageAPI) PostPolicyBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
// Here the parameter is the size of the form data that should
|
|
// be loaded in memory, the remaining being put in temporary files.
|
|
reader, e := r.MultipartReader()
|
|
if e != nil {
|
|
errorIf(probe.NewError(e), "Unable to initialize multipart reader.", nil)
|
|
writeErrorResponse(w, r, ErrMalformedPOSTRequest, r.URL.Path)
|
|
return
|
|
}
|
|
|
|
fileBody, formValues, err := extractHTTPFormValues(reader)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "Unable to parse form values.", nil)
|
|
writeErrorResponse(w, r, ErrMalformedPOSTRequest, r.URL.Path)
|
|
return
|
|
}
|
|
bucket := mux.Vars(r)["bucket"]
|
|
formValues["Bucket"] = bucket
|
|
object := formValues["Key"]
|
|
|
|
// Verify policy signature.
|
|
apiErr := doesPolicySignatureMatch(formValues)
|
|
if apiErr != ErrNone {
|
|
writeErrorResponse(w, r, apiErr, r.URL.Path)
|
|
return
|
|
}
|
|
if apiErr = checkPostPolicy(formValues); apiErr != ErrNone {
|
|
writeErrorResponse(w, r, apiErr, r.URL.Path)
|
|
return
|
|
}
|
|
objInfo, err := api.ObjectAPI.PutObject(bucket, object, -1, fileBody, nil)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "PutObject failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case RootPathFull:
|
|
writeErrorResponse(w, r, ErrRootPathFull, r.URL.Path)
|
|
case BucketNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchBucket, r.URL.Path)
|
|
case BucketNameInvalid:
|
|
writeErrorResponse(w, r, ErrInvalidBucketName, r.URL.Path)
|
|
case BadDigest:
|
|
writeErrorResponse(w, r, ErrBadDigest, r.URL.Path)
|
|
case IncompleteBody:
|
|
writeErrorResponse(w, r, ErrIncompleteBody, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
if objInfo.MD5Sum != "" {
|
|
w.Header().Set("ETag", "\""+objInfo.MD5Sum+"\"")
|
|
}
|
|
writeSuccessResponse(w, nil)
|
|
}
|
|
|
|
// HeadBucketHandler - HEAD Bucket
|
|
// ----------
|
|
// This operation is useful to determine if a bucket exists.
|
|
// The operation returns a 200 OK if the bucket exists and you
|
|
// have permission to access it. Otherwise, the operation might
|
|
// return responses such as 404 Not Found and 403 Forbidden.
|
|
func (api objectStorageAPI) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypeAnonymous:
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/using-with-s3-actions.html
|
|
if s3Error := enforceBucketPolicy("s3:ListBucket", bucket, r.URL); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
_, err := api.ObjectAPI.GetBucketInfo(bucket)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "GetBucketInfo failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchBucket, r.URL.Path)
|
|
case BucketNameInvalid:
|
|
writeErrorResponse(w, r, ErrInvalidBucketName, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
writeSuccessResponse(w, nil)
|
|
}
|
|
|
|
// DeleteBucketHandler - Delete bucket
|
|
func (api objectStorageAPI) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
// For all unknown auth types return error.
|
|
writeErrorResponse(w, r, ErrAccessDenied, r.URL.Path)
|
|
return
|
|
case authTypePresigned, authTypeSigned:
|
|
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
|
|
writeErrorResponse(w, r, s3Error, r.URL.Path)
|
|
return
|
|
}
|
|
}
|
|
|
|
err := api.ObjectAPI.DeleteBucket(bucket)
|
|
if err != nil {
|
|
errorIf(err.Trace(), "DeleteBucket failed.", nil)
|
|
switch err.ToGoError().(type) {
|
|
case BucketNotFound:
|
|
writeErrorResponse(w, r, ErrNoSuchBucket, r.URL.Path)
|
|
case BucketNotEmpty:
|
|
writeErrorResponse(w, r, ErrBucketNotEmpty, r.URL.Path)
|
|
default:
|
|
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
|
|
}
|
|
return
|
|
}
|
|
|
|
// Delete bucket access policy, if present - ignore any errors.
|
|
removeBucketPolicy(bucket)
|
|
|
|
// Write success response.
|
|
writeSuccessNoContent(w)
|
|
}
|
|
|