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.
734 lines
22 KiB
734 lines
22 KiB
/*
|
|
* Minio Cloud Storage, (C) 2017 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 cmd
|
|
|
|
import (
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"encoding/json"
|
|
"encoding/xml"
|
|
|
|
router "github.com/gorilla/mux"
|
|
"github.com/minio/minio-go/pkg/policy"
|
|
)
|
|
|
|
// GetObjectHandler - GET Object
|
|
// ----------
|
|
// This implementation of the GET operation retrieves object. To use GET,
|
|
// you must have READ access to the object.
|
|
func (api gatewayAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
var object, bucket string
|
|
vars := router.Vars(r)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
// Fetch object stat info.
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
reqAuthType := getRequestAuthType(r)
|
|
|
|
switch reqAuthType {
|
|
case authTypePresignedV2, authTypeSignedV2:
|
|
// Signature V2 validation.
|
|
s3Error := isReqAuthenticatedV2(r)
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
getObjectInfo := objectAPI.GetObjectInfo
|
|
if reqAuthType == authTypeAnonymous {
|
|
getObjectInfo = objectAPI.AnonGetObjectInfo
|
|
}
|
|
objInfo, err := getObjectInfo(bucket, object)
|
|
if err != nil {
|
|
errorIf(err, "Unable to fetch object info.")
|
|
apiErr := toAPIErrorCode(err)
|
|
if apiErr == ErrNoSuchKey {
|
|
apiErr = errAllowableObjectNotFound(bucket, r)
|
|
}
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
}
|
|
|
|
// Get request range.
|
|
var hrange *httpRange
|
|
rangeHeader := r.Header.Get("Range")
|
|
if rangeHeader != "" {
|
|
if hrange, err = parseRequestRange(rangeHeader, objInfo.Size); err != nil {
|
|
// Handle only errInvalidRange
|
|
// Ignore other parse error and treat it as regular Get request like Amazon S3.
|
|
if err == errInvalidRange {
|
|
writeErrorResponse(w, ErrInvalidRange, r.URL)
|
|
return
|
|
}
|
|
|
|
// log the error.
|
|
errorIf(err, "Invalid request range")
|
|
}
|
|
}
|
|
|
|
// Validate pre-conditions if any.
|
|
if checkPreconditions(w, r, objInfo) {
|
|
return
|
|
}
|
|
|
|
// Get the object.
|
|
var startOffset int64
|
|
length := objInfo.Size
|
|
if hrange != nil {
|
|
startOffset = hrange.offsetBegin
|
|
length = hrange.getLength()
|
|
}
|
|
// Indicates if any data was written to the http.ResponseWriter
|
|
dataWritten := false
|
|
// io.Writer type which keeps track if any data was written.
|
|
writer := funcToWriter(func(p []byte) (int, error) {
|
|
if !dataWritten {
|
|
// Set headers on the first write.
|
|
// Set standard object headers.
|
|
setObjectHeaders(w, objInfo, hrange)
|
|
|
|
// Set any additional requested response headers.
|
|
setGetRespHeaders(w, r.URL.Query())
|
|
|
|
dataWritten = true
|
|
}
|
|
return w.Write(p)
|
|
})
|
|
|
|
getObject := objectAPI.GetObject
|
|
if reqAuthType == authTypeAnonymous {
|
|
getObject = objectAPI.AnonGetObject
|
|
}
|
|
|
|
// Reads the object at startOffset and writes to mw.
|
|
if err := getObject(bucket, object, startOffset, length, writer); err != nil {
|
|
errorIf(err, "Unable to write to client.")
|
|
if !dataWritten {
|
|
// Error response only if no data has been written to client yet. i.e if
|
|
// partial data has already been written before an error
|
|
// occurred then no point in setting StatusCode and
|
|
// sending error XML.
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
}
|
|
return
|
|
}
|
|
if !dataWritten {
|
|
// If ObjectAPI.GetObject did not return error and no data has
|
|
// been written it would mean that it is a 0-byte object.
|
|
// call wrter.Write(nil) to set appropriate headers.
|
|
writer.Write(nil)
|
|
}
|
|
}
|
|
|
|
// HeadObjectHandler - HEAD Object
|
|
// -----------
|
|
// The HEAD operation retrieves metadata from an object without returning the object itself.
|
|
func (api gatewayAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
|
|
var object, bucket string
|
|
vars := router.Vars(r)
|
|
bucket = vars["bucket"]
|
|
object = vars["object"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponseHeadersOnly(w, ErrServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
reqAuthType := getRequestAuthType(r)
|
|
|
|
switch reqAuthType {
|
|
case authTypePresignedV2, authTypeSignedV2:
|
|
// Signature V2 validation.
|
|
s3Error := isReqAuthenticatedV2(r)
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
getObjectInfo := objectAPI.GetObjectInfo
|
|
if reqAuthType == authTypeAnonymous {
|
|
getObjectInfo = objectAPI.AnonGetObjectInfo
|
|
}
|
|
objInfo, err := getObjectInfo(bucket, object)
|
|
if err != nil {
|
|
errorIf(err, "Unable to fetch object info.")
|
|
apiErr := toAPIErrorCode(err)
|
|
if apiErr == ErrNoSuchKey {
|
|
apiErr = errAllowableObjectNotFound(bucket, r)
|
|
}
|
|
writeErrorResponse(w, apiErr, r.URL)
|
|
return
|
|
}
|
|
|
|
// Validate pre-conditions if any.
|
|
if checkPreconditions(w, r, objInfo) {
|
|
return
|
|
}
|
|
|
|
// Set standard object headers.
|
|
setObjectHeaders(w, objInfo, nil)
|
|
|
|
// Successful response.
|
|
w.WriteHeader(http.StatusOK)
|
|
}
|
|
|
|
// DeleteMultipleObjectsHandler - deletes multiple objects.
|
|
func (api gatewayAPIHandlers) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(r, bucket, "s3:DeleteObject", serverConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
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, ErrMissingContentLength, r.URL)
|
|
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, ErrMissingContentMD5, r.URL)
|
|
return
|
|
}
|
|
|
|
// Allocate incoming content length bytes.
|
|
deleteXMLBytes := make([]byte, r.ContentLength)
|
|
|
|
// Read incoming body XML bytes.
|
|
if _, err := io.ReadFull(r.Body, deleteXMLBytes); err != nil {
|
|
errorIf(err, "Unable to read HTTP body.")
|
|
writeErrorResponse(w, ErrInternalError, r.URL)
|
|
return
|
|
}
|
|
|
|
// Unmarshal list of keys to be deleted.
|
|
deleteObjects := &DeleteObjectsRequest{}
|
|
if err := xml.Unmarshal(deleteXMLBytes, deleteObjects); err != nil {
|
|
errorIf(err, "Unable to unmarshal delete objects request XML.")
|
|
writeErrorResponse(w, ErrMalformedXML, r.URL)
|
|
return
|
|
}
|
|
|
|
var dErrs = make([]error, len(deleteObjects.Objects))
|
|
|
|
// Delete all requested objects in parallel.
|
|
for index, object := range deleteObjects.Objects {
|
|
dErr := objectAPI.DeleteObject(bucket, object.ObjectName)
|
|
if dErr != nil {
|
|
dErrs[index] = dErr
|
|
}
|
|
}
|
|
|
|
// Collect deleted objects and errors if any.
|
|
var deletedObjects []ObjectIdentifier
|
|
var deleteErrors []DeleteError
|
|
for index, err := range dErrs {
|
|
object := deleteObjects.Objects[index]
|
|
// Success deleted objects are collected separately.
|
|
if err == nil {
|
|
deletedObjects = append(deletedObjects, object)
|
|
continue
|
|
}
|
|
if _, ok := errorCause(err).(ObjectNotFound); ok {
|
|
// If the object is not found it should be
|
|
// accounted as deleted as per S3 spec.
|
|
deletedObjects = append(deletedObjects, object)
|
|
continue
|
|
}
|
|
errorIf(err, "Unable to delete object. %s", object.ObjectName)
|
|
// Error during delete should be collected separately.
|
|
deleteErrors = append(deleteErrors, DeleteError{
|
|
Code: errorCodeResponse[toAPIErrorCode(err)].Code,
|
|
Message: errorCodeResponse[toAPIErrorCode(err)].Description,
|
|
Key: object.ObjectName,
|
|
})
|
|
}
|
|
|
|
// Generate response
|
|
response := generateMultiDeleteResponse(deleteObjects.Quiet, deletedObjects, deleteErrors)
|
|
encodedSuccessResponse := encodeResponse(response)
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// PutBucketPolicyHandler - PUT Bucket policy
|
|
// -----------------
|
|
// This implementation of the PUT operation uses the policy
|
|
// subresource to add to or replace a policy on a bucket
|
|
func (api gatewayAPIHandlers) PutBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
|
|
objAPI := api.ObjectAPI()
|
|
if objAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
// Before proceeding validate if bucket exists.
|
|
_, err := objAPI.GetBucketInfo(bucket)
|
|
if err != nil {
|
|
errorIf(err, "Unable to find bucket info.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// If Content-Length is unknown or zero, deny the
|
|
// request. PutBucketPolicy always needs a Content-Length.
|
|
if r.ContentLength == -1 || r.ContentLength == 0 {
|
|
writeErrorResponse(w, ErrMissingContentLength, r.URL)
|
|
return
|
|
}
|
|
// If Content-Length is greater than maximum allowed policy size.
|
|
if r.ContentLength > maxAccessPolicySize {
|
|
writeErrorResponse(w, ErrEntityTooLarge, r.URL)
|
|
return
|
|
}
|
|
|
|
// Read access policy up to maxAccessPolicySize.
|
|
// http://docs.aws.amazon.com/AmazonS3/latest/dev/access-policy-language-overview.html
|
|
// bucket policies are limited to 20KB in size, using a limit reader.
|
|
policyBytes, err := ioutil.ReadAll(io.LimitReader(r.Body, maxAccessPolicySize))
|
|
if err != nil {
|
|
errorIf(err, "Unable to read from client.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
policyInfo := policy.BucketAccessPolicy{}
|
|
if err = json.Unmarshal(policyBytes, &policyInfo); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
if err = objAPI.SetBucketPolicies(bucket, policyInfo); err != nil {
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
// Success.
|
|
writeSuccessNoContent(w)
|
|
}
|
|
|
|
// DeleteBucketPolicyHandler - DELETE Bucket policy
|
|
// -----------------
|
|
// This implementation of the DELETE operation uses the policy
|
|
// subresource to add to remove a policy on a bucket.
|
|
func (api gatewayAPIHandlers) DeleteBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
|
|
objAPI := api.ObjectAPI()
|
|
if objAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
// Before proceeding validate if bucket exists.
|
|
_, err := objAPI.GetBucketInfo(bucket)
|
|
if err != nil {
|
|
errorIf(err, "Unable to find bucket info.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Delete bucket access policy, by passing an empty policy
|
|
// struct.
|
|
objAPI.DeleteBucketPolicies(bucket)
|
|
// Success.
|
|
writeSuccessNoContent(w)
|
|
}
|
|
|
|
// GetBucketPolicyHandler - GET Bucket policy
|
|
// -----------------
|
|
// This operation uses the policy
|
|
// subresource to return the policy of a specified bucket.
|
|
func (api gatewayAPIHandlers) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
|
|
objAPI := api.ObjectAPI()
|
|
if objAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
// Before proceeding validate if bucket exists.
|
|
_, err := objAPI.GetBucketInfo(bucket)
|
|
if err != nil {
|
|
errorIf(err, "Unable to find bucket info.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
bp, err := objAPI.GetBucketPolicies(bucket)
|
|
if err != nil {
|
|
errorIf(err, "Unable to read bucket policy.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
policyBytes, err := json.Marshal(bp)
|
|
if err != nil {
|
|
errorIf(err, "Unable to read bucket policy.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
// Write to client.
|
|
w.Write(policyBytes)
|
|
}
|
|
|
|
// GetBucketNotificationHandler - This implementation of the GET
|
|
// operation uses the notification subresource to return the
|
|
// notification configuration of a bucket. If notifications are
|
|
// not enabled on the bucket, the operation returns an empty
|
|
// NotificationConfiguration element.
|
|
func (api gatewayAPIHandlers) GetBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL)
|
|
}
|
|
|
|
// PutBucketNotificationHandler - Minio notification feature enables
|
|
// you to receive notifications when certain events happen in your bucket.
|
|
// Using this API, you can replace an existing notification configuration.
|
|
// The configuration is an XML file that defines the event types that you
|
|
// want Minio to publish and the destination where you want Minio to publish
|
|
// an event notification when it detects an event of the specified type.
|
|
// By default, your bucket has no event notifications configured. That is,
|
|
// the notification configuration will be an empty NotificationConfiguration.
|
|
func (api gatewayAPIHandlers) PutBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL)
|
|
}
|
|
|
|
// ListenBucketNotificationHandler - list bucket notifications.
|
|
func (api gatewayAPIHandlers) ListenBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
|
|
writeErrorResponse(w, ErrNotImplemented, r.URL)
|
|
}
|
|
|
|
// PutBucketHandler - PUT Bucket
|
|
// ----------
|
|
// This implementation of the PUT operation creates a new bucket for authenticated request
|
|
func (api gatewayAPIHandlers) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
// PutBucket does not have any bucket action.
|
|
s3Error := checkRequestAuthType(r, "", "", globalMinioDefaultRegion)
|
|
if s3Error == ErrInvalidRegion {
|
|
// Clients like boto3 send putBucket() call signed with region that is configured.
|
|
s3Error = checkRequestAuthType(r, "", "", serverConfig.GetRegion())
|
|
}
|
|
if s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
// Validate if incoming location constraint is valid, reject
|
|
// requests which do not follow valid region requirements.
|
|
location, s3Error := parseLocationConstraint(r)
|
|
if s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
// validating region here, because isValidLocationConstraint
|
|
// reads body which has been read already. So only validating
|
|
// region here.
|
|
serverRegion := serverConfig.GetRegion()
|
|
if serverRegion != location {
|
|
writeErrorResponse(w, ErrInvalidRegion, r.URL)
|
|
return
|
|
}
|
|
|
|
bucketLock := globalNSMutex.NewNSLock(bucket, "")
|
|
bucketLock.Lock()
|
|
defer bucketLock.Unlock()
|
|
|
|
// Proceed to creating a bucket.
|
|
err := objectAPI.MakeBucketWithLocation(bucket, location)
|
|
if err != nil {
|
|
errorIf(err, "Unable to create a bucket.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Make sure to add Location information here only for bucket
|
|
w.Header().Set("Location", getLocation(r))
|
|
|
|
writeSuccessResponseHeadersOnly(w)
|
|
}
|
|
|
|
// DeleteBucketHandler - Delete bucket
|
|
func (api gatewayAPIHandlers) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
// DeleteBucket does not have any bucket action.
|
|
if s3Error := checkRequestAuthType(r, "", "", serverConfig.GetRegion()); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
// Attempt to delete bucket.
|
|
if err := objectAPI.DeleteBucket(bucket); err != nil {
|
|
errorIf(err, "Unable to delete a bucket.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Write success response.
|
|
writeSuccessNoContent(w)
|
|
}
|
|
|
|
// ListObjectsV1Handler - GET Bucket (List Objects) Version 1.
|
|
// --------------------------
|
|
// 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 gatewayAPIHandlers) ListObjectsV1Handler(w http.ResponseWriter, r *http.Request) {
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
|
|
reqAuthType := getRequestAuthType(r)
|
|
|
|
switch reqAuthType {
|
|
case authTypePresignedV2, authTypeSignedV2:
|
|
// Signature V2 validation.
|
|
s3Error := isReqAuthenticatedV2(r)
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Extract all the litsObjectsV1 query params to their native values.
|
|
prefix, marker, delimiter, maxKeys, _ := getListObjectsV1Args(r.URL.Query())
|
|
|
|
// Validate all the query params before beginning to serve the request.
|
|
if s3Error := validateListObjectsArgs(prefix, marker, delimiter, maxKeys); s3Error != ErrNone {
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
|
|
listObjects := objectAPI.ListObjects
|
|
if reqAuthType == authTypeAnonymous {
|
|
listObjects = objectAPI.AnonListObjects
|
|
}
|
|
// Inititate a list objects operation based on the input params.
|
|
// On success would return back ListObjectsInfo object to be
|
|
// marshalled into S3 compatible XML header.
|
|
listObjectsInfo, err := listObjects(bucket, prefix, marker, delimiter, maxKeys)
|
|
if err != nil {
|
|
errorIf(err, "Unable to list objects.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
response := generateListObjectsV1Response(bucket, prefix, marker, delimiter, maxKeys, listObjectsInfo)
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodeResponse(response))
|
|
}
|
|
|
|
// 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 gatewayAPIHandlers) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponseHeadersOnly(w, ErrServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
reqAuthType := getRequestAuthType(r)
|
|
|
|
switch reqAuthType {
|
|
case authTypePresignedV2, authTypeSignedV2:
|
|
// Signature V2 validation.
|
|
s3Error := isReqAuthenticatedV2(r)
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
s3Error := isReqAuthenticated(r, serverConfig.GetRegion())
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
getBucketInfo := objectAPI.GetBucketInfo
|
|
if reqAuthType == authTypeAnonymous {
|
|
getBucketInfo = objectAPI.AnonGetBucketInfo
|
|
}
|
|
|
|
if _, err := getBucketInfo(bucket); err != nil {
|
|
errorIf(err, "Unable to fetch bucket info.")
|
|
writeErrorResponseHeadersOnly(w, toAPIErrorCode(err))
|
|
return
|
|
}
|
|
|
|
writeSuccessResponseHeadersOnly(w)
|
|
}
|
|
|
|
// GetBucketLocationHandler - GET Bucket location.
|
|
// -------------------------
|
|
// This operation returns bucket location.
|
|
func (api gatewayAPIHandlers) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := router.Vars(r)
|
|
bucket := vars["bucket"]
|
|
|
|
objectAPI := api.ObjectAPI()
|
|
if objectAPI == nil {
|
|
writeErrorResponse(w, ErrServerNotInitialized, r.URL)
|
|
return
|
|
}
|
|
reqAuthType := getRequestAuthType(r)
|
|
|
|
switch reqAuthType {
|
|
case authTypePresignedV2, authTypeSignedV2:
|
|
// Signature V2 validation.
|
|
s3Error := isReqAuthenticatedV2(r)
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
case authTypeSigned, authTypePresigned:
|
|
s3Error := isReqAuthenticated(r, globalMinioDefaultRegion)
|
|
if s3Error == ErrInvalidRegion {
|
|
// Clients like boto3 send getBucketLocation() call signed with region that is configured.
|
|
s3Error = isReqAuthenticated(r, serverConfig.GetRegion())
|
|
}
|
|
if s3Error != ErrNone {
|
|
errorIf(errSignatureMismatch, dumpRequest(r))
|
|
writeErrorResponse(w, s3Error, r.URL)
|
|
return
|
|
}
|
|
}
|
|
|
|
getBucketInfo := objectAPI.GetBucketInfo
|
|
if reqAuthType == authTypeAnonymous {
|
|
getBucketInfo = objectAPI.AnonGetBucketInfo
|
|
}
|
|
|
|
if _, err := getBucketInfo(bucket); err != nil {
|
|
errorIf(err, "Unable to fetch bucket info.")
|
|
writeErrorResponse(w, toAPIErrorCode(err), r.URL)
|
|
return
|
|
}
|
|
|
|
// Generate response.
|
|
encodedSuccessResponse := encodeResponse(LocationResponse{})
|
|
// Get current region.
|
|
region := serverConfig.GetRegion()
|
|
if region != globalMinioDefaultRegion {
|
|
encodedSuccessResponse = encodeResponse(LocationResponse{
|
|
Location: region,
|
|
})
|
|
}
|
|
|
|
// Write success response.
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|