2015-02-15 09:48:15 +01:00
|
|
|
/*
|
2015-03-19 22:35:50 +01:00
|
|
|
* Minimalist Object Storage, (C) 2015 Minio, Inc.
|
2015-02-15 09:48:15 +01:00
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*/
|
|
|
|
|
2015-03-19 01:49:33 +01:00
|
|
|
package api
|
2015-02-11 12:23:15 +01:00
|
|
|
|
|
|
|
import (
|
|
|
|
"net/http"
|
|
|
|
"strings"
|
|
|
|
|
2015-03-19 06:49:02 +01:00
|
|
|
"github.com/minio-io/minio/pkg/api/config"
|
2015-02-11 12:23:15 +01:00
|
|
|
)
|
|
|
|
|
|
|
|
type vHandler struct {
|
|
|
|
conf config.Config
|
|
|
|
handler http.Handler
|
|
|
|
}
|
|
|
|
|
2015-02-18 21:15:33 +01:00
|
|
|
type rHandler struct {
|
|
|
|
handler http.Handler
|
|
|
|
}
|
|
|
|
|
2015-02-24 01:46:48 +01:00
|
|
|
// strip AccessKey from authorization header
|
2015-02-11 12:23:15 +01:00
|
|
|
func stripAccessKey(r *http.Request) string {
|
|
|
|
fields := strings.Fields(r.Header.Get("Authorization"))
|
|
|
|
if len(fields) < 2 {
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
splits := strings.Split(fields[1], ":")
|
|
|
|
if len(splits) < 2 {
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
return splits[0]
|
|
|
|
}
|
|
|
|
|
2015-02-24 01:46:48 +01:00
|
|
|
// Validate handler is wrapper handler used for API request validation with authorization header.
|
|
|
|
// Current authorization layer supports S3's standard HMAC based signature request.
|
2015-02-11 12:23:15 +01:00
|
|
|
func validateHandler(conf config.Config, h http.Handler) http.Handler {
|
|
|
|
return vHandler{conf, h}
|
|
|
|
}
|
|
|
|
|
2015-03-03 11:36:12 +01:00
|
|
|
// Validate handler ServeHTTP() wrapper
|
2015-02-11 12:23:15 +01:00
|
|
|
func (h vHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
|
|
accessKey := stripAccessKey(r)
|
2015-02-12 07:00:45 +01:00
|
|
|
acceptsContentType := getContentType(r)
|
2015-02-11 12:23:15 +01:00
|
|
|
if accessKey != "" {
|
|
|
|
if err := h.conf.ReadConfig(); err != nil {
|
2015-02-12 07:00:45 +01:00
|
|
|
error := errorCodeError(InternalError)
|
|
|
|
errorResponse := getErrorResponse(error, "")
|
2015-03-06 06:07:19 +01:00
|
|
|
w.WriteHeader(error.HTTPStatusCode)
|
2015-02-12 07:00:45 +01:00
|
|
|
w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
|
2015-02-11 12:23:15 +01:00
|
|
|
} else {
|
2015-03-06 04:59:26 +01:00
|
|
|
user, ok := h.conf.Users[accessKey]
|
|
|
|
if ok == false {
|
2015-02-12 07:00:45 +01:00
|
|
|
error := errorCodeError(AccessDenied)
|
|
|
|
errorResponse := getErrorResponse(error, "")
|
2015-03-06 06:07:19 +01:00
|
|
|
w.WriteHeader(error.HTTPStatusCode)
|
2015-02-12 07:00:45 +01:00
|
|
|
w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
|
2015-03-06 04:59:26 +01:00
|
|
|
} else {
|
2015-03-19 01:49:33 +01:00
|
|
|
ok, _ = ValidateRequest(user, r)
|
2015-03-06 04:59:26 +01:00
|
|
|
if ok {
|
|
|
|
h.handler.ServeHTTP(w, r)
|
|
|
|
} else {
|
|
|
|
error := errorCodeError(AccessDenied)
|
|
|
|
errorResponse := getErrorResponse(error, "")
|
2015-03-06 06:07:19 +01:00
|
|
|
w.WriteHeader(error.HTTPStatusCode)
|
2015-03-06 04:59:26 +01:00
|
|
|
w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
|
|
|
|
}
|
2015-02-11 12:23:15 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
2015-02-24 01:46:48 +01:00
|
|
|
// Control reaches when no access key is found, ideally we would
|
|
|
|
// like to throw back `403`. But for now with our tests lacking
|
|
|
|
// this functionality it is better for us to be serving anonymous
|
|
|
|
// requests as well.
|
|
|
|
// We should remove this after adding tests to support signature request
|
2015-02-11 12:23:15 +01:00
|
|
|
h.handler.ServeHTTP(w, r)
|
2015-02-24 01:46:48 +01:00
|
|
|
// ## Uncommented below links of code after disabling anonymous requests
|
|
|
|
// error := errorCodeError(AccessDenied)
|
|
|
|
// errorResponse := getErrorResponse(error, "")
|
2015-03-06 06:07:19 +01:00
|
|
|
// w.WriteHeader(error.HTTPStatusCode)
|
2015-02-24 01:46:48 +01:00
|
|
|
// w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
|
2015-02-11 12:23:15 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-02-24 01:46:48 +01:00
|
|
|
// Ignore resources handler is wrapper handler used for API request resource validation
|
|
|
|
// Since we do not support all the S3 queries, it is necessary for us to throw back a
|
|
|
|
// valid error message indicating such a feature to have been not implemented.
|
2015-02-18 21:15:33 +01:00
|
|
|
func ignoreResourcesHandler(h http.Handler) http.Handler {
|
|
|
|
return rHandler{h}
|
|
|
|
}
|
|
|
|
|
2015-03-03 11:36:12 +01:00
|
|
|
// Resource handler ServeHTTP() wrapper
|
2015-02-18 21:15:33 +01:00
|
|
|
func (h rHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
|
|
acceptsContentType := getContentType(r)
|
|
|
|
if ignoreUnImplementedObjectResources(r) || ignoreUnImplementedBucketResources(r) {
|
|
|
|
error := errorCodeError(NotImplemented)
|
|
|
|
errorResponse := getErrorResponse(error, "")
|
2015-03-06 06:07:19 +01:00
|
|
|
w.WriteHeader(error.HTTPStatusCode)
|
2015-02-18 21:15:33 +01:00
|
|
|
w.Write(writeErrorResponse(w, errorResponse, acceptsContentType))
|
|
|
|
} else {
|
|
|
|
h.handler.ServeHTTP(w, r)
|
|
|
|
}
|
2015-02-11 12:23:15 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
//// helpers
|
|
|
|
|
2015-03-03 11:36:12 +01:00
|
|
|
// Checks requests for unimplemented Bucket resources
|
2015-02-11 12:23:15 +01:00
|
|
|
func ignoreUnImplementedBucketResources(req *http.Request) bool {
|
|
|
|
q := req.URL.Query()
|
|
|
|
for name := range q {
|
|
|
|
if unimplementedBucketResourceNames[name] {
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
2015-03-03 11:36:12 +01:00
|
|
|
// Checks requests for unimplemented Object resources
|
2015-02-11 12:23:15 +01:00
|
|
|
func ignoreUnImplementedObjectResources(req *http.Request) bool {
|
|
|
|
q := req.URL.Query()
|
|
|
|
for name := range q {
|
|
|
|
if unimplementedObjectResourceNames[name] {
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return false
|
|
|
|
}
|