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Signature-V4: Dump the request with error message on signature mismatch. (#2734)

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fixes #2691
master
Krishna Srinivas 8 years ago committed by Harshavardhana
parent 725df557b5
commit a955676986
5 changed files with 40 additions and 1 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      cmd/bucket-handlers-listobjects.go
  2. 7
      cmd/bucket-handlers.go
  3. 10
      cmd/object-handlers.go
  4. 3
      cmd/signature-v4-utils.go
  5. 19
      cmd/utils.go

2
cmd/bucket-handlers-listobjects.go
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@ -83,6 +83,7 @@ func (api objectAPIHandlers) ListObjectsV2Handler(w http.ResponseWriter, r *http
}
case authTypeSigned, authTypePresigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -149,6 +150,7 @@ func (api objectAPIHandlers) ListObjectsV1Handler(w http.ResponseWriter, r *http
}
case authTypeSigned, authTypePresigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}

7
cmd/bucket-handlers.go
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@ -82,6 +82,7 @@ func (api objectAPIHandlers) GetBucketLocationHandler(w http.ResponseWriter, r *
}
case authTypeSigned, authTypePresigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -137,6 +138,7 @@ func (api objectAPIHandlers) ListMultipartUploadsHandler(w http.ResponseWriter,
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -183,6 +185,7 @@ func (api objectAPIHandlers) ListBucketsHandler(w http.ResponseWriter, r *http.R
// List buckets does not support bucket policies, no need to enforce it.
if s3Error := checkAuth(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -228,6 +231,7 @@ func (api objectAPIHandlers) DeleteMultipleObjectsHandler(w http.ResponseWriter,
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -343,6 +347,7 @@ func (api objectAPIHandlers) PutBucketHandler(w http.ResponseWriter, r *http.Req
// PutBucket does not support policies, use checkAuth to validate signature.
if s3Error := checkAuth(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -477,6 +482,7 @@ func (api objectAPIHandlers) HeadBucketHandler(w http.ResponseWriter, r *http.Re
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -500,6 +506,7 @@ func (api objectAPIHandlers) DeleteBucketHandler(w http.ResponseWriter, r *http.
// DeleteBucket does not support bucket policies, use checkAuth to validate signature.
if s3Error := checkAuth(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}

10
cmd/object-handlers.go
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@ -112,6 +112,7 @@ func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Req
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -223,6 +224,7 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -279,6 +281,7 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -460,6 +463,7 @@ func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Req
// Initialize stream signature verifier.
reader, s3Error := newSignV4ChunkedReader(r)
if s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -519,6 +523,7 @@ func (api objectAPIHandlers) NewMultipartUploadHandler(w http.ResponseWriter, r
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -620,6 +625,7 @@ func (api objectAPIHandlers) PutObjectPartHandler(w http.ResponseWriter, r *http
// Initialize stream signature verifier.
reader, s3Error := newSignV4ChunkedReader(r)
if s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -666,6 +672,7 @@ func (api objectAPIHandlers) AbortMultipartUploadHandler(w http.ResponseWriter,
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -705,6 +712,7 @@ func (api objectAPIHandlers) ListObjectPartsHandler(w http.ResponseWriter, r *ht
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -762,6 +770,7 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
}
case authTypePresigned, authTypeSigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
@ -890,6 +899,7 @@ func (api objectAPIHandlers) DeleteObjectHandler(w http.ResponseWriter, r *http.
}
case authTypeSigned, authTypePresigned:
if s3Error := isReqAuthenticated(r); s3Error != ErrNone {
errorIf(errSignatureMismatch, dumpRequest(r))
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}

3
cmd/signature-v4-utils.go
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@ -19,11 +19,12 @@ package cmd
import (
"crypto/hmac"
"encoding/hex"
"github.com/minio/sha256-simd"
"net/http"
"regexp"
"strings"
"unicode/utf8"
"github.com/minio/sha256-simd"
)
// http Header "x-amz-content-sha256" == "UNSIGNED-PAYLOAD" indicates that the

19
cmd/utils.go
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@ -32,6 +32,8 @@ import (
"sync"
"syscall"
"encoding/json"
"github.com/pkg/profile"
)
@ -327,3 +329,20 @@ func startMonitorShutdownSignal(onExitFn onExitFunc) error {
// Successfully started routine.
return nil
}
// dump the request into a string in JSON format.
func dumpRequest(r *http.Request) string {
header := cloneHeader(r.Header)
header.Set("Host", r.Host)
req := struct {
Method string `json:"method"`
Path string `json:"path"`
Query string `json:"query"`
Header http.Header `json:"header"`
}{r.Method, r.URL.Path, r.URL.RawQuery, header}
jsonBytes, err := json.Marshal(req)
if err != nil {
return "<error dumping request>"
}
return string(jsonBytes)
}

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