Merge pull request #65034 from caesarxuchao/json-case-sensitive

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Make kubernetes json serializer case sensitive

This PR imported the latest jsoniterator library so that case sensitivity during unmarhsaling is optional. The PR also set Kubernetes json serializer to be case sensitive.

Kubernetes json serializer had been case sensitive for 1.1-1.7 as we were using ugorji. This PR restores the behavior.

Fix #64612.

```release-notes
Kubernetes json deserializer is now case-sensitive as it was before 1.8.
If your config files contains fields with wrong case, the config files will be now invalid.
```

Kubernetes-commit: a2de1398f829ef38d645579160bdd6bfec8384d3
This commit is contained in:
Kubernetes Publisher
2018-06-14 15:41:26 -07:00
25 changed files with 1822 additions and 1403 deletions
+22 -16
View File
@@ -2,10 +2,11 @@ package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"strings"
"unsafe"
"github.com/modern-go/reflect2"
)
func decoderOfStruct(ctx *ctx, typ reflect2.Type) ValDecoder {
@@ -31,11 +32,15 @@ func decoderOfStruct(ctx *ctx, typ reflect2.Type) ValDecoder {
for k, binding := range bindings {
fields[k] = binding.Decoder.(*structFieldDecoder)
}
for k, binding := range bindings {
if _, found := fields[strings.ToLower(k)]; !found {
fields[strings.ToLower(k)] = binding.Decoder.(*structFieldDecoder)
if !ctx.caseSensitive() {
for k, binding := range bindings {
if _, found := fields[strings.ToLower(k)]; !found {
fields[strings.ToLower(k)] = binding.Decoder.(*structFieldDecoder)
}
}
}
return createStructDecoder(ctx, typ, fields)
}
@@ -46,12 +51,13 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
knownHash := map[int64]struct{}{
0: {},
}
switch len(fields) {
case 0:
return &skipObjectDecoder{typ}
case 1:
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -65,7 +71,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -88,7 +94,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -119,7 +125,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder3 *structFieldDecoder
var fieldDecoder4 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -156,7 +162,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder4 *structFieldDecoder
var fieldDecoder5 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -199,7 +205,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder5 *structFieldDecoder
var fieldDecoder6 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -248,7 +254,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder6 *structFieldDecoder
var fieldDecoder7 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -303,7 +309,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder7 *structFieldDecoder
var fieldDecoder8 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -364,7 +370,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder8 *structFieldDecoder
var fieldDecoder9 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -431,7 +437,7 @@ func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structF
var fieldDecoder9 *structFieldDecoder
var fieldDecoder10 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
fieldHash := calcHash(fieldName, ctx.caseSensitive())
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields, false}
@@ -513,13 +519,13 @@ func (decoder *generalStructDecoder) decodeOneField(ptr unsafe.Pointer, iter *It
fieldBytes := iter.ReadStringAsSlice()
field = *(*string)(unsafe.Pointer(&fieldBytes))
fieldDecoder = decoder.fields[field]
if fieldDecoder == nil {
if fieldDecoder == nil && !iter.cfg.caseSensitive {
fieldDecoder = decoder.fields[strings.ToLower(field)]
}
} else {
field = iter.ReadString()
fieldDecoder = decoder.fields[field]
if fieldDecoder == nil {
if fieldDecoder == nil && !iter.cfg.caseSensitive {
fieldDecoder = decoder.fields[strings.ToLower(field)]
}
}