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-rw-r--r--vendor/github.com/json-iterator/go/iter.go27
-rw-r--r--vendor/github.com/json-iterator/go/iter_array.go10
-rw-r--r--vendor/github.com/json-iterator/go/iter_object.go24
-rw-r--r--vendor/github.com/json-iterator/go/iter_skip_sloppy.go19
-rw-r--r--vendor/github.com/json-iterator/go/reflect.go5
-rw-r--r--vendor/github.com/json-iterator/go/reflect_extension.go2
-rw-r--r--vendor/github.com/json-iterator/go/reflect_map.go4
-rw-r--r--vendor/github.com/json-iterator/go/reflect_marshaler.go12
-rw-r--r--vendor/github.com/json-iterator/go/reflect_struct_decoder.go44
9 files changed, 138 insertions, 9 deletions
diff --git a/vendor/github.com/json-iterator/go/iter.go b/vendor/github.com/json-iterator/go/iter.go
index 95ae54fbf..29b31cf78 100644
--- a/vendor/github.com/json-iterator/go/iter.go
+++ b/vendor/github.com/json-iterator/go/iter.go
@@ -74,6 +74,7 @@ type Iterator struct {
buf []byte
head int
tail int
+ depth int
captureStartedAt int
captured []byte
Error error
@@ -88,6 +89,7 @@ func NewIterator(cfg API) *Iterator {
buf: nil,
head: 0,
tail: 0,
+ depth: 0,
}
}
@@ -99,6 +101,7 @@ func Parse(cfg API, reader io.Reader, bufSize int) *Iterator {
buf: make([]byte, bufSize),
head: 0,
tail: 0,
+ depth: 0,
}
}
@@ -110,6 +113,7 @@ func ParseBytes(cfg API, input []byte) *Iterator {
buf: input,
head: 0,
tail: len(input),
+ depth: 0,
}
}
@@ -128,6 +132,7 @@ func (iter *Iterator) Reset(reader io.Reader) *Iterator {
iter.reader = reader
iter.head = 0
iter.tail = 0
+ iter.depth = 0
return iter
}
@@ -137,6 +142,7 @@ func (iter *Iterator) ResetBytes(input []byte) *Iterator {
iter.buf = input
iter.head = 0
iter.tail = len(input)
+ iter.depth = 0
return iter
}
@@ -320,3 +326,24 @@ func (iter *Iterator) Read() interface{} {
return nil
}
}
+
+// limit maximum depth of nesting, as allowed by https://tools.ietf.org/html/rfc7159#section-9
+const maxDepth = 10000
+
+func (iter *Iterator) incrementDepth() (success bool) {
+ iter.depth++
+ if iter.depth <= maxDepth {
+ return true
+ }
+ iter.ReportError("incrementDepth", "exceeded max depth")
+ return false
+}
+
+func (iter *Iterator) decrementDepth() (success bool) {
+ iter.depth--
+ if iter.depth >= 0 {
+ return true
+ }
+ iter.ReportError("decrementDepth", "unexpected negative nesting")
+ return false
+}
diff --git a/vendor/github.com/json-iterator/go/iter_array.go b/vendor/github.com/json-iterator/go/iter_array.go
index 6188cb457..204fe0e09 100644
--- a/vendor/github.com/json-iterator/go/iter_array.go
+++ b/vendor/github.com/json-iterator/go/iter_array.go
@@ -28,26 +28,32 @@ func (iter *Iterator) ReadArray() (ret bool) {
func (iter *Iterator) ReadArrayCB(callback func(*Iterator) bool) (ret bool) {
c := iter.nextToken()
if c == '[' {
+ if !iter.incrementDepth() {
+ return false
+ }
c = iter.nextToken()
if c != ']' {
iter.unreadByte()
if !callback(iter) {
+ iter.decrementDepth()
return false
}
c = iter.nextToken()
for c == ',' {
if !callback(iter) {
+ iter.decrementDepth()
return false
}
c = iter.nextToken()
}
if c != ']' {
iter.ReportError("ReadArrayCB", "expect ] in the end, but found "+string([]byte{c}))
+ iter.decrementDepth()
return false
}
- return true
+ return iter.decrementDepth()
}
- return true
+ return iter.decrementDepth()
}
if c == 'n' {
iter.skipThreeBytes('u', 'l', 'l')
diff --git a/vendor/github.com/json-iterator/go/iter_object.go b/vendor/github.com/json-iterator/go/iter_object.go
index 1c5757671..b65137114 100644
--- a/vendor/github.com/json-iterator/go/iter_object.go
+++ b/vendor/github.com/json-iterator/go/iter_object.go
@@ -112,6 +112,9 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
c := iter.nextToken()
var field string
if c == '{' {
+ if !iter.incrementDepth() {
+ return false
+ }
c = iter.nextToken()
if c == '"' {
iter.unreadByte()
@@ -121,6 +124,7 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
if !callback(iter, field) {
+ iter.decrementDepth()
return false
}
c = iter.nextToken()
@@ -131,20 +135,23 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
if !callback(iter, field) {
+ iter.decrementDepth()
return false
}
c = iter.nextToken()
}
if c != '}' {
iter.ReportError("ReadObjectCB", `object not ended with }`)
+ iter.decrementDepth()
return false
}
- return true
+ return iter.decrementDepth()
}
if c == '}' {
- return true
+ return iter.decrementDepth()
}
iter.ReportError("ReadObjectCB", `expect " after }, but found `+string([]byte{c}))
+ iter.decrementDepth()
return false
}
if c == 'n' {
@@ -159,15 +166,20 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
func (iter *Iterator) ReadMapCB(callback func(*Iterator, string) bool) bool {
c := iter.nextToken()
if c == '{' {
+ if !iter.incrementDepth() {
+ return false
+ }
c = iter.nextToken()
if c == '"' {
iter.unreadByte()
field := iter.ReadString()
if iter.nextToken() != ':' {
iter.ReportError("ReadMapCB", "expect : after object field, but found "+string([]byte{c}))
+ iter.decrementDepth()
return false
}
if !callback(iter, field) {
+ iter.decrementDepth()
return false
}
c = iter.nextToken()
@@ -175,23 +187,27 @@ func (iter *Iterator) ReadMapCB(callback func(*Iterator, string) bool) bool {
field = iter.ReadString()
if iter.nextToken() != ':' {
iter.ReportError("ReadMapCB", "expect : after object field, but found "+string([]byte{c}))
+ iter.decrementDepth()
return false
}
if !callback(iter, field) {
+ iter.decrementDepth()
return false
}
c = iter.nextToken()
}
if c != '}' {
iter.ReportError("ReadMapCB", `object not ended with }`)
+ iter.decrementDepth()
return false
}
- return true
+ return iter.decrementDepth()
}
if c == '}' {
- return true
+ return iter.decrementDepth()
}
iter.ReportError("ReadMapCB", `expect " after }, but found `+string([]byte{c}))
+ iter.decrementDepth()
return false
}
if c == 'n' {
diff --git a/vendor/github.com/json-iterator/go/iter_skip_sloppy.go b/vendor/github.com/json-iterator/go/iter_skip_sloppy.go
index 8fcdc3b69..9303de41e 100644
--- a/vendor/github.com/json-iterator/go/iter_skip_sloppy.go
+++ b/vendor/github.com/json-iterator/go/iter_skip_sloppy.go
@@ -22,6 +22,9 @@ func (iter *Iterator) skipNumber() {
func (iter *Iterator) skipArray() {
level := 1
+ if !iter.incrementDepth() {
+ return
+ }
for {
for i := iter.head; i < iter.tail; i++ {
switch iter.buf[i] {
@@ -31,8 +34,14 @@ func (iter *Iterator) skipArray() {
i = iter.head - 1 // it will be i++ soon
case '[': // If open symbol, increase level
level++
+ if !iter.incrementDepth() {
+ return
+ }
case ']': // If close symbol, increase level
level--
+ if !iter.decrementDepth() {
+ return
+ }
// If we have returned to the original level, we're done
if level == 0 {
@@ -50,6 +59,10 @@ func (iter *Iterator) skipArray() {
func (iter *Iterator) skipObject() {
level := 1
+ if !iter.incrementDepth() {
+ return
+ }
+
for {
for i := iter.head; i < iter.tail; i++ {
switch iter.buf[i] {
@@ -59,8 +72,14 @@ func (iter *Iterator) skipObject() {
i = iter.head - 1 // it will be i++ soon
case '{': // If open symbol, increase level
level++
+ if !iter.incrementDepth() {
+ return
+ }
case '}': // If close symbol, increase level
level--
+ if !iter.decrementDepth() {
+ return
+ }
// If we have returned to the original level, we're done
if level == 0 {
diff --git a/vendor/github.com/json-iterator/go/reflect.go b/vendor/github.com/json-iterator/go/reflect.go
index 4459e203f..74974ba74 100644
--- a/vendor/github.com/json-iterator/go/reflect.go
+++ b/vendor/github.com/json-iterator/go/reflect.go
@@ -60,6 +60,7 @@ func (b *ctx) append(prefix string) *ctx {
// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
func (iter *Iterator) ReadVal(obj interface{}) {
+ depth := iter.depth
cacheKey := reflect2.RTypeOf(obj)
decoder := iter.cfg.getDecoderFromCache(cacheKey)
if decoder == nil {
@@ -76,6 +77,10 @@ func (iter *Iterator) ReadVal(obj interface{}) {
return
}
decoder.Decode(ptr, iter)
+ if iter.depth != depth {
+ iter.ReportError("ReadVal", "unexpected mismatched nesting")
+ return
+ }
}
// WriteVal copy the go interface into underlying JSON, same as json.Marshal
diff --git a/vendor/github.com/json-iterator/go/reflect_extension.go b/vendor/github.com/json-iterator/go/reflect_extension.go
index 05e8fbf1f..e27e8d191 100644
--- a/vendor/github.com/json-iterator/go/reflect_extension.go
+++ b/vendor/github.com/json-iterator/go/reflect_extension.go
@@ -341,10 +341,10 @@ func describeStruct(ctx *ctx, typ reflect2.Type) *StructDescriptor {
if ctx.onlyTaggedField && !hastag && !field.Anonymous() {
continue
}
- tagParts := strings.Split(tag, ",")
if tag == "-" {
continue
}
+ tagParts := strings.Split(tag, ",")
if field.Anonymous() && (tag == "" || tagParts[0] == "") {
if field.Type().Kind() == reflect.Struct {
structDescriptor := describeStruct(ctx, field.Type())
diff --git a/vendor/github.com/json-iterator/go/reflect_map.go b/vendor/github.com/json-iterator/go/reflect_map.go
index 547b4421e..08e9a3912 100644
--- a/vendor/github.com/json-iterator/go/reflect_map.go
+++ b/vendor/github.com/json-iterator/go/reflect_map.go
@@ -249,6 +249,10 @@ type mapEncoder struct {
}
func (encoder *mapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+ if *(*unsafe.Pointer)(ptr) == nil {
+ stream.WriteNil()
+ return
+ }
stream.WriteObjectStart()
iter := encoder.mapType.UnsafeIterate(ptr)
for i := 0; iter.HasNext(); i++ {
diff --git a/vendor/github.com/json-iterator/go/reflect_marshaler.go b/vendor/github.com/json-iterator/go/reflect_marshaler.go
index fea50719d..3e21f3756 100644
--- a/vendor/github.com/json-iterator/go/reflect_marshaler.go
+++ b/vendor/github.com/json-iterator/go/reflect_marshaler.go
@@ -3,8 +3,9 @@ package jsoniter
import (
"encoding"
"encoding/json"
- "github.com/modern-go/reflect2"
"unsafe"
+
+ "github.com/modern-go/reflect2"
)
var marshalerType = reflect2.TypeOfPtr((*json.Marshaler)(nil)).Elem()
@@ -93,10 +94,17 @@ func (encoder *marshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteNil()
return
}
- bytes, err := json.Marshal(obj)
+ marshaler := obj.(json.Marshaler)
+ bytes, err := marshaler.MarshalJSON()
if err != nil {
stream.Error = err
} else {
+ // html escape was already done by jsoniter
+ // but the extra '\n' should be trimed
+ l := len(bytes)
+ if l > 0 && bytes[l-1] == '\n' {
+ bytes = bytes[:l-1]
+ }
stream.Write(bytes)
}
}
diff --git a/vendor/github.com/json-iterator/go/reflect_struct_decoder.go b/vendor/github.com/json-iterator/go/reflect_struct_decoder.go
index 932641ac4..5ad5cc561 100644
--- a/vendor/github.com/json-iterator/go/reflect_struct_decoder.go
+++ b/vendor/github.com/json-iterator/go/reflect_struct_decoder.go
@@ -500,6 +500,9 @@ func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
var c byte
for c = ','; c == ','; c = iter.nextToken() {
decoder.decodeOneField(ptr, iter)
@@ -510,6 +513,7 @@ func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
if c != '}' {
iter.ReportError("struct Decode", `expect }, but found `+string([]byte{c}))
}
+ iter.decrementDepth()
}
func (decoder *generalStructDecoder) decodeOneField(ptr unsafe.Pointer, iter *Iterator) {
@@ -571,6 +575,9 @@ func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
if iter.readFieldHash() == decoder.fieldHash {
decoder.fieldDecoder.Decode(ptr, iter)
@@ -584,6 +591,7 @@ func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type twoFieldsStructDecoder struct {
@@ -598,6 +606,9 @@ func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -614,6 +625,7 @@ func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type threeFieldsStructDecoder struct {
@@ -630,6 +642,9 @@ func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -648,6 +663,7 @@ func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type fourFieldsStructDecoder struct {
@@ -666,6 +682,9 @@ func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -686,6 +705,7 @@ func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type fiveFieldsStructDecoder struct {
@@ -706,6 +726,9 @@ func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -728,6 +751,7 @@ func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type sixFieldsStructDecoder struct {
@@ -750,6 +774,9 @@ func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -774,6 +801,7 @@ func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type sevenFieldsStructDecoder struct {
@@ -798,6 +826,9 @@ func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -824,6 +855,7 @@ func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type eightFieldsStructDecoder struct {
@@ -850,6 +882,9 @@ func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -878,6 +913,7 @@ func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type nineFieldsStructDecoder struct {
@@ -906,6 +942,9 @@ func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -936,6 +975,7 @@ func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type tenFieldsStructDecoder struct {
@@ -966,6 +1006,9 @@ func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
if !iter.readObjectStart() {
return
}
+ if !iter.incrementDepth() {
+ return
+ }
for {
switch iter.readFieldHash() {
case decoder.fieldHash1:
@@ -998,6 +1041,7 @@ func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
+ iter.decrementDepth()
}
type structFieldDecoder struct {