change dep to go module

vendor/github.com/gin-gonic/gin/binding/binding.go

@@ -6,6 +6,7 @@ package binding
 
 import "net/http"
 
+// Content-Type MIME of the most common data formats.
 const (
 	MIMEJSON              = "application/json"
 	MIMEHTML              = "text/html"
@@ -19,11 +20,25 @@ const (
 	MIMEMSGPACK2          = "application/msgpack"
 )
 
+// Binding describes the interface which needs to be implemented for binding the
+// data present in the request such as JSON request body, query parameters or
+// the form POST.
 type Binding interface {
 	Name() string
 	Bind(*http.Request, interface{}) error
 }
 
+// BindingBody adds BindBody method to Binding. BindBody is similar with Bind,
+// but it reads the body from supplied bytes instead of req.Body.
+type BindingBody interface {
+	Binding
+	BindBody([]byte, interface{}) error
+}
+
+// StructValidator is the minimal interface which needs to be implemented in
+// order for it to be used as the validator engine for ensuring the correctness
+// of the reqest. Gin provides a default implementation for this using
+// https://github.com/go-playground/validator/tree/v8.18.2.
 type StructValidator interface {
 	// ValidateStruct can receive any kind of type and it should never panic, even if the configuration is not right.
 	// If the received type is not a struct, any validation should be skipped and nil must be returned.
@@ -31,20 +46,32 @@ type StructValidator interface {
 	// If the struct is not valid or the validation itself fails, a descriptive error should be returned.
 	// Otherwise nil must be returned.
 	ValidateStruct(interface{}) error
+
+	// Engine returns the underlying validator engine which powers the
+	// StructValidator implementation.
+	Engine() interface{}
 }
 
+// Validator is the default validator which implements the StructValidator
+// interface. It uses https://github.com/go-playground/validator/tree/v8.18.2
+// under the hood.
 var Validator StructValidator = &defaultValidator{}
 
+// These implement the Binding interface and can be used to bind the data
+// present in the request to struct instances.
 var (
 	JSON          = jsonBinding{}
 	XML           = xmlBinding{}
 	Form          = formBinding{}
+	Query         = queryBinding{}
 	FormPost      = formPostBinding{}
 	FormMultipart = formMultipartBinding{}
 	ProtoBuf      = protobufBinding{}
 	MsgPack       = msgpackBinding{}
 )
 
+// Default returns the appropriate Binding instance based on the HTTP method
+// and the content type.
 func Default(method, contentType string) Binding {
 	if method == "GET" {
 		return Form

vendor/github.com/gin-gonic/gin/binding/default_validator.go

@@ -18,28 +18,34 @@ type defaultValidator struct {
 
 var _ StructValidator = &defaultValidator{}
 
+// ValidateStruct receives any kind of type, but only performed struct or pointer to struct type.
 func (v *defaultValidator) ValidateStruct(obj interface{}) error {
-	if kindOfData(obj) == reflect.Struct {
+	value := reflect.ValueOf(obj)
+	valueType := value.Kind()
+	if valueType == reflect.Ptr {
+		valueType = value.Elem().Kind()
+	}
+	if valueType == reflect.Struct {
 		v.lazyinit()
 		if err := v.validate.Struct(obj); err != nil {
-			return error(err)
+			return err
 		}
 	}
 	return nil
 }
 
+// Engine returns the underlying validator engine which powers the default
+// Validator instance. This is useful if you want to register custom validations
+// or struct level validations. See validator GoDoc for more info -
+// https://godoc.org/gopkg.in/go-playground/validator.v8
+func (v *defaultValidator) Engine() interface{} {
+	v.lazyinit()
+	return v.validate
+}
+
 func (v *defaultValidator) lazyinit() {
 	v.once.Do(func() {
 		config := &validator.Config{TagName: "binding"}
 		v.validate = validator.New(config)
 	})
 }
-
-func kindOfData(data interface{}) reflect.Kind {
-	value := reflect.ValueOf(data)
-	valueType := value.Kind()
-	if valueType == reflect.Ptr {
-		valueType = value.Elem().Kind()
-	}
-	return valueType
-}

vendor/github.com/gin-gonic/gin/binding/form.go

@@ -6,6 +6,8 @@ package binding
 
 import "net/http"
 
+const defaultMemory = 32 * 1024 * 1024
+
 type formBinding struct{}
 type formPostBinding struct{}
 type formMultipartBinding struct{}
@@ -18,7 +20,7 @@ func (formBinding) Bind(req *http.Request, obj interface{}) error {
 	if err := req.ParseForm(); err != nil {
 		return err
 	}
-	req.ParseMultipartForm(32 << 10) // 32 MB
+	req.ParseMultipartForm(defaultMemory)
 	if err := mapForm(obj, req.Form); err != nil {
 		return err
 	}
@@ -44,7 +46,7 @@ func (formMultipartBinding) Name() string {
 }
 
 func (formMultipartBinding) Bind(req *http.Request, obj interface{}) error {
-	if err := req.ParseMultipartForm(32 << 10); err != nil {
+	if err := req.ParseMultipartForm(defaultMemory); err != nil {
 		return err
 	}
 	if err := mapForm(obj, req.MultipartForm.Value); err != nil {

vendor/github.com/gin-gonic/gin/binding/form_mapping.go

@@ -8,6 +8,7 @@ import (
 	"errors"
 	"reflect"
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -23,12 +24,28 @@ func mapForm(ptr interface{}, form map[string][]string) error {
 
 		structFieldKind := structField.Kind()
 		inputFieldName := typeField.Tag.Get("form")
+		inputFieldNameList := strings.Split(inputFieldName, ",")
+		inputFieldName = inputFieldNameList[0]
+		var defaultValue string
+		if len(inputFieldNameList) > 1 {
+			defaultList := strings.SplitN(inputFieldNameList[1], "=", 2)
+			if defaultList[0] == "default" {
+				defaultValue = defaultList[1]
+			}
+		}
 		if inputFieldName == "" {
 			inputFieldName = typeField.Name
 
-			// if "form" tag is nil, we inspect if the field is a struct.
+			// if "form" tag is nil, we inspect if the field is a struct or struct pointer.
 			// this would not make sense for JSON parsing but it does for a form
 			// since data is flatten
+			if structFieldKind == reflect.Ptr {
+				if !structField.Elem().IsValid() {
+					structField.Set(reflect.New(structField.Type().Elem()))
+				}
+				structField = structField.Elem()
+				structFieldKind = structField.Kind()
+			}
 			if structFieldKind == reflect.Struct {
 				err := mapForm(structField.Addr().Interface(), form)
 				if err != nil {
@@ -38,8 +55,13 @@ func mapForm(ptr interface{}, form map[string][]string) error {
 			}
 		}
 		inputValue, exists := form[inputFieldName]
+
 		if !exists {
-			continue
+			if defaultValue == "" {
+				continue
+			}
+			inputValue = make([]string, 1)
+			inputValue[0] = defaultValue
 		}
 
 		numElems := len(inputValue)
@@ -97,6 +119,12 @@ func setWithProperType(valueKind reflect.Kind, val string, structField reflect.V
 		return setFloatField(val, 64, structField)
 	case reflect.String:
 		structField.SetString(val)
+	case reflect.Ptr:
+		if !structField.Elem().IsValid() {
+			structField.Set(reflect.New(structField.Type().Elem()))
+		}
+		structFieldElem := structField.Elem()
+		return setWithProperType(structFieldElem.Kind(), val, structFieldElem)
 	default:
 		return errors.New("Unknown type")
 	}
@@ -133,7 +161,7 @@ func setBoolField(val string, field reflect.Value) error {
 	if err == nil {
 		field.SetBool(boolVal)
 	}
-	return nil
+	return err
 }
 
 func setFloatField(val string, bitSize int, field reflect.Value) error {
@@ -163,6 +191,14 @@ func setTimeField(val string, structField reflect.StructField, value reflect.Val
 		l = time.UTC
 	}
 
+	if locTag := structField.Tag.Get("time_location"); locTag != "" {
+		loc, err := time.LoadLocation(locTag)
+		if err != nil {
+			return err
+		}
+		l = loc
+	}
+
 	t, err := time.ParseInLocation(timeFormat, val, l)
 	if err != nil {
 		return err
@@ -171,12 +207,3 @@ func setTimeField(val string, structField reflect.StructField, value reflect.Val
 	value.Set(reflect.ValueOf(t))
 	return nil
 }
-
-// Don't pass in pointers to bind to. Can lead to bugs. See:
-// https://github.com/codegangsta/martini-contrib/issues/40
-// https://github.com/codegangsta/martini-contrib/pull/34#issuecomment-29683659
-func ensureNotPointer(obj interface{}) {
-	if reflect.TypeOf(obj).Kind() == reflect.Ptr {
-		panic("Pointers are not accepted as binding models")
-	}
-}

vendor/github.com/gin-gonic/gin/binding/json.go

@@ -5,10 +5,18 @@
 package binding
 
 import (
-	"encoding/json"
+	"bytes"
+	"io"
 	"net/http"
+
+	"github.com/gin-gonic/gin/json"
 )
 
+// EnableDecoderUseNumber is used to call the UseNumber method on the JSON
+// Decoder instance. UseNumber causes the Decoder to unmarshal a number into an
+// interface{} as a Number instead of as a float64.
+var EnableDecoderUseNumber = false
+
 type jsonBinding struct{}
 
 func (jsonBinding) Name() string {
@@ -16,7 +24,18 @@ func (jsonBinding) Name() string {
 }
 
 func (jsonBinding) Bind(req *http.Request, obj interface{}) error {
-	decoder := json.NewDecoder(req.Body)
+	return decodeJSON(req.Body, obj)
+}
+
+func (jsonBinding) BindBody(body []byte, obj interface{}) error {
+	return decodeJSON(bytes.NewReader(body), obj)
+}
+
+func decodeJSON(r io.Reader, obj interface{}) error {
+	decoder := json.NewDecoder(r)
+	if EnableDecoderUseNumber {
+		decoder.UseNumber()
+	}
 	if err := decoder.Decode(obj); err != nil {
 		return err
 	}

vendor/github.com/gin-gonic/gin/binding/msgpack.go

@@ -5,6 +5,8 @@
 package binding
 
 import (
+	"bytes"
+	"io"
 	"net/http"
 
 	"github.com/ugorji/go/codec"
@@ -17,12 +19,17 @@ func (msgpackBinding) Name() string {
 }
 
 func (msgpackBinding) Bind(req *http.Request, obj interface{}) error {
+	return decodeMsgPack(req.Body, obj)
+}
 
-	if err := codec.NewDecoder(req.Body, new(codec.MsgpackHandle)).Decode(&obj); err != nil {
-		//var decoder *codec.Decoder = codec.NewDecoder(req.Body, &codec.MsgpackHandle)
-		//if err := decoder.Decode(&obj); err != nil {
+func (msgpackBinding) BindBody(body []byte, obj interface{}) error {
+	return decodeMsgPack(bytes.NewReader(body), obj)
+}
+
+func decodeMsgPack(r io.Reader, obj interface{}) error {
+	cdc := new(codec.MsgpackHandle)
+	if err := codec.NewDecoder(r, cdc).Decode(&obj); err != nil {
 		return err
 	}
 	return validate(obj)
-
 }

vendor/github.com/gin-gonic/gin/binding/protobuf.go

@@ -17,19 +17,20 @@ func (protobufBinding) Name() string {
 	return "protobuf"
 }
 
-func (protobufBinding) Bind(req *http.Request, obj interface{}) error {
-
+func (b protobufBinding) Bind(req *http.Request, obj interface{}) error {
 	buf, err := ioutil.ReadAll(req.Body)
 	if err != nil {
 		return err
 	}
+	return b.BindBody(buf, obj)
+}
 
-	if err = proto.Unmarshal(buf, obj.(proto.Message)); err != nil {
+func (protobufBinding) BindBody(body []byte, obj interface{}) error {
+	if err := proto.Unmarshal(body, obj.(proto.Message)); err != nil {
 		return err
 	}
-
-	//Here it's same to return validate(obj), but util now we cann't add `binding:""` to the struct
-	//which automatically generate by gen-proto
+	// Here it's same to return validate(obj), but util now we cann't add
+	// `binding:""` to the struct which automatically generate by gen-proto
 	return nil
-	//return validate(obj)
+	// return validate(obj)
 }

vendor/github.com/gin-gonic/gin/binding/query.go

@@ -0,0 +1,21 @@
+// Copyright 2017 Manu Martinez-Almeida.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package binding
+
+import "net/http"
+
+type queryBinding struct{}
+
+func (queryBinding) Name() string {
+	return "query"
+}
+
+func (queryBinding) Bind(req *http.Request, obj interface{}) error {
+	values := req.URL.Query()
+	if err := mapForm(obj, values); err != nil {
+		return err
+	}
+	return validate(obj)
+}

vendor/github.com/gin-gonic/gin/binding/xml.go

@@ -5,7 +5,9 @@
 package binding
 
 import (
+	"bytes"
 	"encoding/xml"
+	"io"
 	"net/http"
 )
 
@@ -16,7 +18,14 @@ func (xmlBinding) Name() string {
 }
 
 func (xmlBinding) Bind(req *http.Request, obj interface{}) error {
-	decoder := xml.NewDecoder(req.Body)
+	return decodeXML(req.Body, obj)
+}
+
+func (xmlBinding) BindBody(body []byte, obj interface{}) error {
+	return decodeXML(bytes.NewReader(body), obj)
+}
+func decodeXML(r io.Reader, obj interface{}) error {
+	decoder := xml.NewDecoder(r)
 	if err := decoder.Decode(obj); err != nil {
 		return err
 	}