diff --git a/.drone.yml b/.drone.yml
index f9c3110991..05b70844b8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3383,8 +3383,4 @@ depends_on:
 - enterprise-build-release-branch
 - enterprise-windows-release-branch
 
----
-kind: signature
-hmac: 0f0bf06ef65b9b151d7a9dbfdd4312c595b4986b62b3eb3a7835a1d93df22d20
-
 ...
diff --git a/Makefile b/Makefile
index 39206ee7bf..f52362d777 100644
--- a/Makefile
+++ b/Makefile
@@ -163,7 +163,6 @@ clean: ## Clean up intermediate build artifacts.
 drone: $(DRONE)
 	$(DRONE) starlark --format
 	$(DRONE) lint .drone.yml --trusted
-	$(DRONE) --server https://drone.grafana.net sign --save grafana/grafana
 
 help: ## Display this help.
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
diff --git a/go.mod b/go.mod
index c2d7f1200f..c1d6c0ee42 100644
--- a/go.mod
+++ b/go.mod
@@ -109,3 +109,5 @@ require (
 replace github.com/apache/thrift => github.com/apache/thrift v0.14.1
 
 replace gopkg.in/macaron.v1 v1.4.0 => ./pkg/macaron
+
+replace github.com/go-macaron/binding => ./pkg/macaron/binding
diff --git a/pkg/api/http_server.go b/pkg/api/http_server.go
index 092c90c3e6..1928d8b2cb 100644
--- a/pkg/api/http_server.go
+++ b/pkg/api/http_server.go
@@ -312,6 +312,7 @@ func (hs *HTTPServer) addMiddlewaresAndStaticRoutes() {
 	}
 
 	m.Use(middleware.Recovery(hs.Cfg))
+	m.Use(middleware.CSRF(hs.Cfg.LoginCookieName))
 
 	for _, route := range plugins.StaticRoutes {
 		pluginRoute := path.Join("/public/plugins/", route.PluginId)
diff --git a/pkg/macaron/binding/binding.go b/pkg/macaron/binding/binding.go
new file mode 100644
index 0000000000..97aca56daa
--- /dev/null
+++ b/pkg/macaron/binding/binding.go
@@ -0,0 +1,813 @@
+// Copyright 2014 Martini Authors
+// Copyright 2014 The Macaron Authors
+//
+// 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.
+
+// Package binding is a middleware that provides request data binding and validation for Macaron.
+package binding
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"mime"
+	"mime/multipart"
+	"net/http"
+	"net/url"
+	"reflect"
+	"regexp"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/unknwon/com"
+	"gopkg.in/macaron.v1"
+	"gopkg.in/yaml.v3"
+)
+
+func bind(ctx *macaron.Context, obj interface{}, ifacePtr ...interface{}) {
+	if ctx.Req.Method == "POST" || ctx.Req.Method == "PUT" || ctx.Req.Method == "PATCH" || ctx.Req.Method == "DELETE" {
+		contentType, _, _ := mime.ParseMediaType(ctx.Req.Header.Get("Content-Type"))
+		switch contentType {
+		case "form-urlencoded":
+			_, _ = ctx.Invoke(Form(obj, ifacePtr...))
+		case "multipart/form-data":
+			_, _ = ctx.Invoke(MultipartForm(obj, ifacePtr...))
+		case "application/json":
+			_, _ = ctx.Invoke(Json(obj, ifacePtr...))
+		case "text/yaml":
+			_, _ = ctx.Invoke(Yaml(obj, ifacePtr...))
+		default:
+			var errors Errors
+			if contentType == "" {
+				errors.Add([]string{}, ERR_CONTENT_TYPE, "Empty Content-Type")
+			} else {
+				errors.Add([]string{}, ERR_CONTENT_TYPE, "Unsupported Content-Type")
+			}
+			ctx.Map(errors)
+			ctx.Map(obj) // Map a fake struct so handler won't panic.
+		}
+	} else {
+		_, _ = ctx.Invoke(Form(obj, ifacePtr...))
+	}
+}
+
+const (
+	_JSON_CONTENT_TYPE          = "application/json; charset=utf-8"
+	_YAML_CONTENT_TYPE          = "text/yaml; charset=utf-8"
+	STATUS_UNPROCESSABLE_ENTITY = 422
+)
+
+// errorHandler simply counts the number of errors in the
+// context and, if more than 0, writes a response with an
+// error code and a JSON payload describing the errors.
+// The response will have a JSON content-type.
+// Middleware remaining on the stack will not even see the request
+// if, by this point, there are any errors.
+// This is a "default" handler, of sorts, and you are
+// welcome to use your own instead. The Bind middleware
+// invokes this automatically for convenience.
+func errorHandler(errs Errors, rw http.ResponseWriter) {
+	if len(errs) > 0 {
+		rw.Header().Set("Content-Type", _JSON_CONTENT_TYPE)
+		if errs.Has(ERR_DESERIALIZATION) {
+			rw.WriteHeader(http.StatusBadRequest)
+		} else if errs.Has(ERR_CONTENT_TYPE) {
+			rw.WriteHeader(http.StatusUnsupportedMediaType)
+		} else {
+			rw.WriteHeader(STATUS_UNPROCESSABLE_ENTITY)
+		}
+		errOutput, _ := json.Marshal(errs)
+		_, _ = rw.Write(errOutput)
+		return
+	}
+}
+
+// CustomErrorHandler will be invoked if errors occured.
+var CustomErrorHandler func(*macaron.Context, Errors)
+
+// Bind wraps up the functionality of the Form and Json middleware
+// according to the Content-Type and verb of the request.
+// A Content-Type is required for POST and PUT requests.
+// Bind invokes the ErrorHandler middleware to bail out if errors
+// occurred. If you want to perform your own error handling, use
+// Form or Json middleware directly. An interface pointer can
+// be added as a second argument in order to map the struct to
+// a specific interface.
+func Bind(obj interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		bind(ctx, obj, ifacePtr...)
+		if handler, ok := obj.(ErrorHandler); ok {
+			_, _ = ctx.Invoke(handler.Error)
+		} else if CustomErrorHandler != nil {
+			_, _ = ctx.Invoke(CustomErrorHandler)
+		} else {
+			_, _ = ctx.Invoke(errorHandler)
+		}
+	}
+}
+
+// BindIgnErr will do the exactly same thing as Bind but without any
+// error handling, which user has freedom to deal with them.
+// This allows user take advantages of validation.
+func BindIgnErr(obj interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		bind(ctx, obj, ifacePtr...)
+	}
+}
+
+// Form is middleware to deserialize form-urlencoded data from the request.
+// It gets data from the form-urlencoded body, if present, or from the
+// query string. It uses the http.Request.ParseForm() method
+// to perform deserialization, then reflection is used to map each field
+// into the struct with the proper type. Structs with primitive slice types
+// (bool, float, int, string) can support deserialization of repeated form
+// keys, for example: key=val1&key=val2&key=val3
+// An interface pointer can be added as a second argument in order
+// to map the struct to a specific interface.
+func Form(formStruct interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		var errors Errors
+
+		ensureNotPointer(formStruct)
+		formStruct := reflect.New(reflect.TypeOf(formStruct))
+		parseErr := ctx.Req.ParseForm()
+
+		// Format validation of the request body or the URL would add considerable overhead,
+		// and ParseForm does not complain when URL encoding is off.
+		// Because an empty request body or url can also mean absence of all needed values,
+		// it is not in all cases a bad request, so let's return 422.
+		if parseErr != nil {
+			errors.Add([]string{}, ERR_DESERIALIZATION, parseErr.Error())
+		}
+		errors = mapForm(formStruct, ctx.Req.Form, nil, errors)
+		validateAndMap(formStruct, ctx, errors, ifacePtr...)
+	}
+}
+
+// Maximum amount of memory to use when parsing a multipart form.
+// Set this to whatever value you prefer; default is 10 MB.
+var MaxMemory = int64(1024 * 1024 * 10)
+
+// MultipartForm works much like Form, except it can parse multipart forms
+// and handle file uploads. Like the other deserialization middleware handlers,
+// you can pass in an interface to make the interface available for injection
+// into other handlers later.
+func MultipartForm(formStruct interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		var errors Errors
+		ensureNotPointer(formStruct)
+		formStruct := reflect.New(reflect.TypeOf(formStruct))
+		// This if check is necessary due to https://github.com/martini-contrib/csrf/issues/6
+		if ctx.Req.MultipartForm == nil {
+			// Workaround for multipart forms returning nil instead of an error
+			// when content is not multipart; see https://code.google.com/p/go/issues/detail?id=6334
+			if multipartReader, err := ctx.Req.MultipartReader(); err != nil {
+				errors.Add([]string{}, ERR_DESERIALIZATION, err.Error())
+			} else {
+				form, parseErr := multipartReader.ReadForm(MaxMemory)
+				if parseErr != nil {
+					errors.Add([]string{}, ERR_DESERIALIZATION, parseErr.Error())
+				}
+
+				if ctx.Req.Form == nil {
+					_ = ctx.Req.ParseForm()
+				}
+				for k, v := range form.Value {
+					ctx.Req.Form[k] = append(ctx.Req.Form[k], v...)
+				}
+
+				ctx.Req.MultipartForm = form
+			}
+		}
+		errors = mapForm(formStruct, ctx.Req.MultipartForm.Value, ctx.Req.MultipartForm.File, errors)
+		validateAndMap(formStruct, ctx, errors, ifacePtr...)
+	}
+}
+
+// Json is middleware to deserialize a JSON payload from the request
+// into the struct that is passed in. The resulting struct is then
+// validated, but no error handling is actually performed here.
+// An interface pointer can be added as a second argument in order
+// to map the struct to a specific interface.
+func Json(jsonStruct interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		var errors Errors
+		ensureNotPointer(jsonStruct)
+		jsonStruct := reflect.New(reflect.TypeOf(jsonStruct))
+		if ctx.Req.Request.Body != nil {
+			defer ctx.Req.Request.Body.Close()
+			err := json.NewDecoder(ctx.Req.Request.Body).Decode(jsonStruct.Interface())
+			if err != nil && err != io.EOF {
+				errors.Add([]string{}, ERR_DESERIALIZATION, err.Error())
+			}
+		}
+		if errors != nil {
+			ctx.Map(errors)
+			return
+		}
+		validateAndMap(jsonStruct, ctx, errors, ifacePtr...)
+	}
+}
+
+// Yaml is middleware to deserialize a YAML payload from the request
+// into the struct that is passed in. The resulting struct is then
+// validated, but no error handling is actually performed here.
+// An interface pointer can be added as a second argument in order
+// to map the struct to a specific interface.
+func Yaml(yamlStruct interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		var errors Errors
+		ensureNotPointer(yamlStruct)
+		yamlStruct := reflect.New(reflect.TypeOf(yamlStruct))
+		if ctx.Req.Request.Body != nil {
+			defer ctx.Req.Request.Body.Close()
+			err := yaml.NewDecoder(ctx.Req.Request.Body).Decode(yamlStruct.Interface())
+			if err != nil && err != io.EOF {
+				errors.Add([]string{}, ERR_DESERIALIZATION, err.Error())
+			}
+		}
+		if errors != nil {
+			ctx.Map(errors)
+			return
+		}
+		validateAndMap(yamlStruct, ctx, errors, ifacePtr...)
+	}
+}
+
+// URL is the middleware to parse URL parameters into struct fields.
+func URL(obj interface{}, ifacePtr ...interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		var errors Errors
+
+		ensureNotPointer(obj)
+		obj := reflect.New(reflect.TypeOf(obj))
+
+		val := obj.Elem()
+		for k, v := range ctx.AllParams() {
+			field := val.FieldByName(k[1:])
+			if field.IsValid() {
+				errors = setWithProperType(field.Kind(), v, field, k, errors)
+			}
+		}
+		validateAndMap(obj, ctx, errors, ifacePtr...)
+	}
+}
+
+// RawValidate is same as Validate but does not require a HTTP context,
+// and can be used independently just for validation.
+// This function does not support Validator interface.
+func RawValidate(obj interface{}) Errors {
+	var errs Errors
+	v := reflect.ValueOf(obj)
+	k := v.Kind()
+	if k == reflect.Interface || k == reflect.Ptr {
+		v = v.Elem()
+		k = v.Kind()
+	}
+	if k == reflect.Slice || k == reflect.Array {
+		for i := 0; i < v.Len(); i++ {
+			e := v.Index(i).Interface()
+			errs = validateStruct(errs, e)
+		}
+	} else {
+		errs = validateStruct(errs, obj)
+	}
+	return errs
+}
+
+// Validate is middleware to enforce required fields. If the struct
+// passed in implements Validator, then the user-defined Validate method
+// is executed, and its errors are mapped to the context. This middleware
+// performs no error handling: it merely detects errors and maps them.
+func Validate(obj interface{}) macaron.Handler {
+	return func(ctx *macaron.Context) {
+		var errs Errors
+		v := reflect.ValueOf(obj)
+		k := v.Kind()
+		if k == reflect.Interface || k == reflect.Ptr {
+			v = v.Elem()
+			k = v.Kind()
+		}
+		if k == reflect.Slice || k == reflect.Array {
+			for i := 0; i < v.Len(); i++ {
+				e := v.Index(i).Interface()
+				errs = validateStruct(errs, e)
+				if validator, ok := e.(Validator); ok {
+					errs = validator.Validate(ctx, errs)
+				}
+			}
+		} else {
+			errs = validateStruct(errs, obj)
+			if validator, ok := obj.(Validator); ok {
+				errs = validator.Validate(ctx, errs)
+			}
+		}
+		ctx.Map(errs)
+	}
+}
+
+var (
+	AlphaDashPattern    = regexp.MustCompile(`[^\d\w-_]`)
+	AlphaDashDotPattern = regexp.MustCompile(`[^\d\w-_\.]`)
+	EmailPattern        = regexp.MustCompile("[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[a-zA-Z0-9](?:[\\w-]*[\\w])?")
+)
+
+// Copied from github.com/asaskevich/govalidator.
+const _MAX_URL_RUNE_COUNT = 2083
+const _MIN_URL_RUNE_COUNT = 3
+
+var (
+	urlSchemaRx    = `((ftp|tcp|udp|wss?|https?):\/\/)`
+	urlUsernameRx  = `(\S+(:\S*)?@)`
+	urlIPRx        = `([1-9]\d?|1\d\d|2[01]\d|22[0-3])(\.(1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.([0-9]\d?|1\d\d|2[0-4]\d|25[0-4]))`
+	ipRx           = `(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))`
+	urlSubdomainRx = `((www\.)|([a-zA-Z0-9]([-\.][-\._a-zA-Z0-9]+)*))`
+	urlPortRx      = `(:(\d{1,5}))`
+	urlPathRx      = `((\/|\?|#)[^\s]*)`
+	URLPattern     = regexp.MustCompile(`^` + urlSchemaRx + urlUsernameRx + `?` + `((` + urlIPRx + `|(\[` + ipRx + `\])|(([a-zA-Z0-9]([a-zA-Z0-9-_]+)?[a-zA-Z0-9]([-\.][a-zA-Z0-9]+)*)|(` + urlSubdomainRx + `?))?(([a-zA-Z\x{00a1}-\x{ffff}0-9]+-?-?)*[a-zA-Z\x{00a1}-\x{ffff}0-9]+)(?:\.([a-zA-Z\x{00a1}-\x{ffff}]{1,}))?))\.?` + urlPortRx + `?` + urlPathRx + `?$`)
+)
+
+// IsURL check if the string is an URL.
+func isURL(str string) bool {
+	if str == "" || utf8.RuneCountInString(str) >= _MAX_URL_RUNE_COUNT || len(str) <= _MIN_URL_RUNE_COUNT || strings.HasPrefix(str, ".") {
+		return false
+	}
+	u, err := url.Parse(str)
+	if err != nil {
+		return false
+	}
+	if strings.HasPrefix(u.Host, ".") {
+		return false
+	}
+	if u.Host == "" && (u.Path != "" && !strings.Contains(u.Path, ".")) {
+		return false
+	}
+	return URLPattern.MatchString(str)
+
+}
+
+type (
+	// Rule represents a validation rule.
+	Rule struct {
+		// IsMatch checks if rule matches.
+		IsMatch func(string) bool
+		// IsValid applies validation rule to condition.
+		IsValid func(Errors, string, interface{}) (bool, Errors)
+	}
+
+	// ParamRule does same thing as Rule but passes rule itself to IsValid method.
+	ParamRule struct {
+		// IsMatch checks if rule matches.
+		IsMatch func(string) bool
+		// IsValid applies validation rule to condition.
+		IsValid func(Errors, string, string, interface{}) (bool, Errors)
+	}
+
+	// RuleMapper and ParamRuleMapper represent validation rule mappers,
+	// it allwos users to add custom validation rules.
+	RuleMapper      []*Rule
+	ParamRuleMapper []*ParamRule
+)
+
+var ruleMapper RuleMapper
+var paramRuleMapper ParamRuleMapper
+
+// AddRule adds new validation rule.
+func AddRule(r *Rule) {
+	ruleMapper = append(ruleMapper, r)
+}
+
+// AddParamRule adds new validation rule.
+func AddParamRule(r *ParamRule) {
+	paramRuleMapper = append(paramRuleMapper, r)
+}
+
+func in(fieldValue interface{}, arr string) bool {
+	val := fmt.Sprintf("%v", fieldValue)
+	vals := strings.Split(arr, ",")
+	isIn := false
+	for _, v := range vals {
+		if v == val {
+			isIn = true
+			break
+		}
+	}
+	return isIn
+}
+
+func parseFormName(raw, actual string) string {
+	if len(actual) > 0 {
+		return actual
+	}
+	return nameMapper(raw)
+}
+
+// Performs required field checking on a struct
+func validateStruct(errors Errors, obj interface{}) Errors {
+	typ := reflect.TypeOf(obj)
+	val := reflect.ValueOf(obj)
+
+	if typ.Kind() == reflect.Ptr {
+		typ = typ.Elem()
+		val = val.Elem()
+	}
+
+	for i := 0; i < typ.NumField(); i++ {
+		field := typ.Field(i)
+
+		// Allow ignored fields in the struct
+		if field.Tag.Get("form") == "-" || !val.Field(i).CanInterface() {
+			continue
+		}
+
+		fieldVal := val.Field(i)
+		fieldValue := fieldVal.Interface()
+		zero := reflect.Zero(field.Type).Interface()
+
+		// Validate nested and embedded structs (if pointer, only do so if not nil)
+		if field.Type.Kind() == reflect.Struct ||
+			(field.Type.Kind() == reflect.Ptr && !reflect.DeepEqual(zero, fieldValue) &&
+				field.Type.Elem().Kind() == reflect.Struct) {
+			errors = validateStruct(errors, fieldValue)
+		}
+		errors = validateField(errors, zero, field, fieldVal, fieldValue)
+	}
+	return errors
+}
+
+func validateField(errors Errors, zero interface{}, field reflect.StructField, fieldVal reflect.Value, fieldValue interface{}) Errors {
+	if fieldVal.Kind() == reflect.Slice {
+		for i := 0; i < fieldVal.Len(); i++ {
+			sliceVal := fieldVal.Index(i)
+			if sliceVal.Kind() == reflect.Ptr {
+				sliceVal = sliceVal.Elem()
+			}
+
+			sliceValue := sliceVal.Interface()
+			zero := reflect.Zero(sliceVal.Type()).Interface()
+			if sliceVal.Kind() == reflect.Struct ||
+				(sliceVal.Kind() == reflect.Ptr && !reflect.DeepEqual(zero, sliceValue) &&
+					sliceVal.Elem().Kind() == reflect.Struct) {
+				errors = validateStruct(errors, sliceValue)
+			}
+			/* Apply validation rules to each item in a slice. ISSUE #3
+			else {
+				errors = validateField(errors, zero, field, sliceVal, sliceValue)
+			}*/
+		}
+	}
+
+VALIDATE_RULES:
+	for _, rule := range strings.Split(field.Tag.Get("binding"), ";") {
+		if len(rule) == 0 {
+			continue
+		}
+
+		switch {
+		case rule == "OmitEmpty":
+			if reflect.DeepEqual(zero, fieldValue) {
+				break VALIDATE_RULES
+			}
+		case rule == "Required":
+			v := reflect.ValueOf(fieldValue)
+			if v.Kind() == reflect.Slice {
+				if v.Len() == 0 {
+					errors.Add([]string{field.Name}, ERR_REQUIRED, "Required")
+					break VALIDATE_RULES
+				}
+
+				continue
+			}
+
+			if reflect.DeepEqual(zero, fieldValue) {
+				errors.Add([]string{field.Name}, ERR_REQUIRED, "Required")
+				break VALIDATE_RULES
+			}
+		case rule == "AlphaDash":
+			if AlphaDashPattern.MatchString(fmt.Sprintf("%v", fieldValue)) {
+				errors.Add([]string{field.Name}, ERR_ALPHA_DASH, "AlphaDash")
+				break VALIDATE_RULES
+			}
+		case rule == "AlphaDashDot":
+			if AlphaDashDotPattern.MatchString(fmt.Sprintf("%v", fieldValue)) {
+				errors.Add([]string{field.Name}, ERR_ALPHA_DASH_DOT, "AlphaDashDot")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "Size("):
+			size, _ := strconv.Atoi(rule[5 : len(rule)-1])
+			if str, ok := fieldValue.(string); ok && utf8.RuneCountInString(str) != size {
+				errors.Add([]string{field.Name}, ERR_SIZE, "Size")
+				break VALIDATE_RULES
+			}
+			v := reflect.ValueOf(fieldValue)
+			if v.Kind() == reflect.Slice && v.Len() != size {
+				errors.Add([]string{field.Name}, ERR_SIZE, "Size")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "MinSize("):
+			min, _ := strconv.Atoi(rule[8 : len(rule)-1])
+			if str, ok := fieldValue.(string); ok && utf8.RuneCountInString(str) < min {
+				errors.Add([]string{field.Name}, ERR_MIN_SIZE, "MinSize")
+				break VALIDATE_RULES
+			}
+			v := reflect.ValueOf(fieldValue)
+			if v.Kind() == reflect.Slice && v.Len() < min {
+				errors.Add([]string{field.Name}, ERR_MIN_SIZE, "MinSize")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "MaxSize("):
+			max, _ := strconv.Atoi(rule[8 : len(rule)-1])
+			if str, ok := fieldValue.(string); ok && utf8.RuneCountInString(str) > max {
+				errors.Add([]string{field.Name}, ERR_MAX_SIZE, "MaxSize")
+				break VALIDATE_RULES
+			}
+			v := reflect.ValueOf(fieldValue)
+			if v.Kind() == reflect.Slice && v.Len() > max {
+				errors.Add([]string{field.Name}, ERR_MAX_SIZE, "MaxSize")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "Range("):
+			nums := strings.Split(rule[6:len(rule)-1], ",")
+			if len(nums) != 2 {
+				break VALIDATE_RULES
+			}
+			val := com.StrTo(fmt.Sprintf("%v", fieldValue)).MustInt()
+			if val < com.StrTo(nums[0]).MustInt() || val > com.StrTo(nums[1]).MustInt() {
+				errors.Add([]string{field.Name}, ERR_RANGE, "Range")
+				break VALIDATE_RULES
+			}
+		case rule == "Email":
+			if !EmailPattern.MatchString(fmt.Sprintf("%v", fieldValue)) {
+				errors.Add([]string{field.Name}, ERR_EMAIL, "Email")
+				break VALIDATE_RULES
+			}
+		case rule == "Url":
+			str := fmt.Sprintf("%v", fieldValue)
+			if len(str) == 0 {
+				continue
+			} else if !isURL(str) {
+				errors.Add([]string{field.Name}, ERR_URL, "Url")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "In("):
+			if !in(fieldValue, rule[3:len(rule)-1]) {
+				errors.Add([]string{field.Name}, ERR_IN, "In")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "NotIn("):
+			if in(fieldValue, rule[6:len(rule)-1]) {
+				errors.Add([]string{field.Name}, ERR_NOT_INT, "NotIn")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "Include("):
+			if !strings.Contains(fmt.Sprintf("%v", fieldValue), rule[8:len(rule)-1]) {
+				errors.Add([]string{field.Name}, ERR_INCLUDE, "Include")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "Exclude("):
+			if strings.Contains(fmt.Sprintf("%v", fieldValue), rule[8:len(rule)-1]) {
+				errors.Add([]string{field.Name}, ERR_EXCLUDE, "Exclude")
+				break VALIDATE_RULES
+			}
+		case strings.HasPrefix(rule, "Default("):
+			if reflect.DeepEqual(zero, fieldValue) {
+				if fieldVal.CanAddr() {
+					errors = setWithProperType(field.Type.Kind(), rule[8:len(rule)-1], fieldVal, field.Tag.Get("form"), errors)
+				} else {
+					errors.Add([]string{field.Name}, ERR_EXCLUDE, "Default")
+					break VALIDATE_RULES
+				}
+			}
+		default:
+			// Apply custom validation rules
+			var isValid bool
+			for i := range ruleMapper {
+				if ruleMapper[i].IsMatch(rule) {
+					isValid, errors = ruleMapper[i].IsValid(errors, field.Name, fieldValue)
+					if !isValid {
+						break VALIDATE_RULES
+					}
+				}
+			}
+			for i := range paramRuleMapper {
+				if paramRuleMapper[i].IsMatch(rule) {
+					isValid, errors = paramRuleMapper[i].IsValid(errors, rule, field.Name, fieldValue)
+					if !isValid {
+						break VALIDATE_RULES
+					}
+				}
+			}
+		}
+	}
+	return errors
+}
+
+// NameMapper represents a form tag name mapper.
+type NameMapper func(string) string
+
+var (
+	nameMapper = func(field string) string {
+		newstr := make([]rune, 0, len(field))
+		for i, chr := range field {
+			if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
+				if i > 0 {
+					newstr = append(newstr, '_')
+				}
+				chr -= ('A' - 'a')
+			}
+			newstr = append(newstr, chr)
+		}
+		return string(newstr)
+	}
+)
+
+// SetNameMapper sets name mapper.
+func SetNameMapper(nm NameMapper) {
+	nameMapper = nm
+}
+
+// Takes values from the form data and puts them into a struct
+func mapForm(formStruct reflect.Value, form map[string][]string,
+	formfile map[string][]*multipart.FileHeader, errors Errors) Errors {
+
+	if formStruct.Kind() == reflect.Ptr {
+		formStruct = formStruct.Elem()
+	}
+	typ := formStruct.Type()
+
+	for i := 0; i < typ.NumField(); i++ {
+		typeField := typ.Field(i)
+		structField := formStruct.Field(i)
+
+		if typeField.Type.Kind() == reflect.Ptr && typeField.Anonymous {
+			structField.Set(reflect.New(typeField.Type.Elem()))
+			errors = mapForm(structField.Elem(), form, formfile, errors)
+			if reflect.DeepEqual(structField.Elem().Interface(), reflect.Zero(structField.Elem().Type()).Interface()) {
+				structField.Set(reflect.Zero(structField.Type()))
+			}
+		} else if typeField.Type.Kind() == reflect.Struct {
+			errors = mapForm(structField, form, formfile, errors)
+		}
+
+		inputFieldName := parseFormName(typeField.Name, typeField.Tag.Get("form"))
+		if len(inputFieldName) == 0 || !structField.CanSet() {
+			continue
+		}
+
+		inputValue, exists := form[inputFieldName]
+		if exists {
+			numElems := len(inputValue)
+			if structField.Kind() == reflect.Slice && numElems > 0 {
+				sliceOf := structField.Type().Elem().Kind()
+				slice := reflect.MakeSlice(structField.Type(), numElems, numElems)
+				for i := 0; i < numElems; i++ {
+					errors = setWithProperType(sliceOf, inputValue[i], slice.Index(i), inputFieldName, errors)
+				}
+				formStruct.Field(i).Set(slice)
+			} else {
+				errors = setWithProperType(typeField.Type.Kind(), inputValue[0], structField, inputFieldName, errors)
+			}
+			continue
+		}
+
+		inputFile, exists := formfile[inputFieldName]
+		if !exists {
+			continue
+		}
+		fhType := reflect.TypeOf((*multipart.FileHeader)(nil))
+		numElems := len(inputFile)
+		if structField.Kind() == reflect.Slice && numElems > 0 && structField.Type().Elem() == fhType {
+			slice := reflect.MakeSlice(structField.Type(), numElems, numElems)
+			for i := 0; i < numElems; i++ {
+				slice.Index(i).Set(reflect.ValueOf(inputFile[i]))
+			}
+			structField.Set(slice)
+		} else if structField.Type() == fhType {
+			structField.Set(reflect.ValueOf(inputFile[0]))
+		}
+	}
+	return errors
+}
+
+// This sets the value in a struct of an indeterminate type to the
+// matching value from the request (via Form middleware) in the
+// same type, so that not all deserialized values have to be strings.
+// Supported types are string, int, float, and bool.
+func setWithProperType(valueKind reflect.Kind, val string, structField reflect.Value, nameInTag string, errors Errors) Errors {
+	switch valueKind {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		if val == "" {
+			val = "0"
+		}
+		intVal, err := strconv.ParseInt(val, 10, 64)
+		if err != nil {
+			errors.Add([]string{nameInTag}, ERR_INTERGER_TYPE, "Value could not be parsed as integer")
+		} else {
+			structField.SetInt(intVal)
+		}
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		if val == "" {
+			val = "0"
+		}
+		uintVal, err := strconv.ParseUint(val, 10, 64)
+		if err != nil {
+			errors.Add([]string{nameInTag}, ERR_INTERGER_TYPE, "Value could not be parsed as unsigned integer")
+		} else {
+			structField.SetUint(uintVal)
+		}
+	case reflect.Bool:
+		if val == "on" {
+			structField.SetBool(true)
+			break
+		}
+
+		if val == "" {
+			val = "false"
+		}
+		boolVal, err := strconv.ParseBool(val)
+		if err != nil {
+			errors.Add([]string{nameInTag}, ERR_BOOLEAN_TYPE, "Value could not be parsed as boolean")
+		} else if boolVal {
+			structField.SetBool(true)
+		}
+	case reflect.Float32:
+		if val == "" {
+			val = "0.0"
+		}
+		floatVal, err := strconv.ParseFloat(val, 32)
+		if err != nil {
+			errors.Add([]string{nameInTag}, ERR_FLOAT_TYPE, "Value could not be parsed as 32-bit float")
+		} else {
+			structField.SetFloat(floatVal)
+		}
+	case reflect.Float64:
+		if val == "" {
+			val = "0.0"
+		}
+		floatVal, err := strconv.ParseFloat(val, 64)
+		if err != nil {
+			errors.Add([]string{nameInTag}, ERR_FLOAT_TYPE, "Value could not be parsed as 64-bit float")
+		} else {
+			structField.SetFloat(floatVal)
+		}
+	case reflect.String:
+		structField.SetString(val)
+	}
+	return errors
+}
+
+// Don't pass in pointers to bind to. Can lead to bugs.
+func ensureNotPointer(obj interface{}) {
+	if reflect.TypeOf(obj).Kind() == reflect.Ptr {
+		panic("Pointers are not accepted as binding models")
+	}
+}
+
+// Performs validation and combines errors from validation
+// with errors from deserialization, then maps both the
+// resulting struct and the errors to the context.
+func validateAndMap(obj reflect.Value, ctx *macaron.Context, errors Errors, ifacePtr ...interface{}) {
+	_, _ = ctx.Invoke(Validate(obj.Interface()))
+	errors = append(errors, getErrors(ctx)...)
+	ctx.Map(errors)
+	ctx.Map(obj.Elem().Interface())
+	if len(ifacePtr) > 0 {
+		ctx.MapTo(obj.Elem().Interface(), ifacePtr[0])
+	}
+}
+
+// getErrors simply gets the errors from the context (it's kind of a chore)
+func getErrors(ctx *macaron.Context) Errors {
+	return ctx.GetVal(reflect.TypeOf(Errors{})).Interface().(Errors)
+}
+
+type (
+	// ErrorHandler is the interface that has custom error handling process.
+	ErrorHandler interface {
+		// Error handles validation errors with custom process.
+		Error(*macaron.Context, Errors)
+	}
+
+	// Validator is the interface that handles some rudimentary
+	// request validation logic so your application doesn't have to.
+	Validator interface {
+		// Validate validates that the request is OK. It is recommended
+		// that validation be limited to checking values for syntax and
+		// semantics, enough to know that you can make sense of the request
+		// in your application. For example, you might verify that a credit
+		// card number matches a valid pattern, but you probably wouldn't
+		// perform an actual credit card authorization here.
+		Validate(*macaron.Context, Errors) Errors
+	}
+)
diff --git a/pkg/macaron/binding/errors.go b/pkg/macaron/binding/errors.go
new file mode 100644
index 0000000000..8cbe44a9d1
--- /dev/null
+++ b/pkg/macaron/binding/errors.go
@@ -0,0 +1,159 @@
+// Copyright 2014 Martini Authors
+// Copyright 2014 The Macaron Authors
+//
+// 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.
+
+package binding
+
+const (
+	// Type mismatch errors.
+	ERR_CONTENT_TYPE    = "ContentTypeError"
+	ERR_DESERIALIZATION = "DeserializationError"
+	ERR_INTERGER_TYPE   = "IntegerTypeError"
+	ERR_BOOLEAN_TYPE    = "BooleanTypeError"
+	ERR_FLOAT_TYPE      = "FloatTypeError"
+
+	// Validation errors.
+	ERR_REQUIRED       = "RequiredError"
+	ERR_ALPHA_DASH     = "AlphaDashError"
+	ERR_ALPHA_DASH_DOT = "AlphaDashDotError"
+	ERR_SIZE           = "SizeError"
+	ERR_MIN_SIZE       = "MinSizeError"
+	ERR_MAX_SIZE       = "MaxSizeError"
+	ERR_RANGE          = "RangeError"
+	ERR_EMAIL          = "EmailError"
+	ERR_URL            = "UrlError"
+	ERR_IN             = "InError"
+	ERR_NOT_INT        = "NotInError"
+	ERR_INCLUDE        = "IncludeError"
+	ERR_EXCLUDE        = "ExcludeError"
+	ERR_DEFAULT        = "DefaultError"
+)
+
+type (
+	// Errors may be generated during deserialization, binding,
+	// or validation. This type is mapped to the context so you
+	// can inject it into your own handlers and use it in your
+	// application if you want all your errors to look the same.
+	Errors []Error
+
+	Error struct {
+		// An error supports zero or more field names, because an
+		// error can morph three ways: (1) it can indicate something
+		// wrong with the request as a whole, (2) it can point to a
+		// specific problem with a particular input field, or (3) it
+		// can span multiple related input fields.
+		FieldNames []string `json:"fieldNames,omitempty"`
+
+		// The classification is like an error code, convenient to
+		// use when processing or categorizing an error programmatically.
+		// It may also be called the "kind" of error.
+		Classification string `json:"classification,omitempty"`
+
+		// Message should be human-readable and detailed enough to
+		// pinpoint and resolve the problem, but it should be brief. For
+		// example, a payload of 100 objects in a JSON array might have
+		// an error in the 41st object. The message should help the
+		// end user find and fix the error with their request.
+		Message string `json:"message,omitempty"`
+	}
+)
+
+// Add adds an error associated with the fields indicated
+// by fieldNames, with the given classification and message.
+func (e *Errors) Add(fieldNames []string, classification, message string) {
+	*e = append(*e, Error{
+		FieldNames:     fieldNames,
+		Classification: classification,
+		Message:        message,
+	})
+}
+
+// Len returns the number of errors.
+func (e *Errors) Len() int {
+	return len(*e)
+}
+
+// Has determines whether an Errors slice has an Error with
+// a given classification in it; it does not search on messages
+// or field names.
+func (e *Errors) Has(class string) bool {
+	for _, err := range *e {
+		if err.Kind() == class {
+			return true
+		}
+	}
+	return false
+}
+
+/*
+// WithClass gets a copy of errors that are classified by the
+// the given classification.
+func (e *Errors) WithClass(classification string) Errors {
+	var errs Errors
+	for _, err := range *e {
+		if err.Kind() == classification {
+			errs = append(errs, err)
+		}
+	}
+	return errs
+}
+
+// ForField gets a copy of errors that are associated with the
+// field by the given name.
+func (e *Errors) ForField(name string) Errors {
+	var errs Errors
+	for _, err := range *e {
+		for _, fieldName := range err.Fields() {
+			if fieldName == name {
+				errs = append(errs, err)
+				break
+			}
+		}
+	}
+	return errs
+}
+
+// Get gets errors of a particular class for the specified
+// field name.
+func (e *Errors) Get(class, fieldName string) Errors {
+	var errs Errors
+	for _, err := range *e {
+		if err.Kind() == class {
+			for _, nameOfField := range err.Fields() {
+				if nameOfField == fieldName {
+					errs = append(errs, err)
+					break
+				}
+			}
+		}
+	}
+	return errs
+}
+*/
+
+// Fields returns the list of field names this error is
+// associated with.
+func (e Error) Fields() []string {
+	return e.FieldNames
+}
+
+// Kind returns this error's classification.
+func (e Error) Kind() string {
+	return e.Classification
+}
+
+// Error returns this error's message.
+func (e Error) Error() string {
+	return e.Message
+}
diff --git a/pkg/macaron/binding/go.mod b/pkg/macaron/binding/go.mod
new file mode 100644
index 0000000000..e98a6b1c64
--- /dev/null
+++ b/pkg/macaron/binding/go.mod
@@ -0,0 +1,15 @@
+module github.com/go-macaron/binding
+
+go 1.17
+
+require (
+	github.com/unknwon/com v1.0.1
+	gopkg.in/macaron.v1 v1.4.0
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+)
+
+require (
+	github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191 // indirect
+	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
+	gopkg.in/ini.v1 v1.46.0 // indirect
+)
diff --git a/pkg/macaron/binding/go.sum b/pkg/macaron/binding/go.sum
new file mode 100644
index 0000000000..af2727a121
--- /dev/null
+++ b/pkg/macaron/binding/go.sum
@@ -0,0 +1,36 @@
+github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191 h1:NjHlg70DuOkcAMqgt0+XA+NHwtu66MkTVVgR4fFWbcI=
+github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191/go.mod h1:VFI2o2q9kYsC4o7VP1HrEVosiZZTd+MVT3YZx4gqvJw=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c h1:7lF+Vz0LqiRidnzC1Oq86fpX1q/iEv2KJdrCtttYjT4=
+github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
+github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/assertions v1.0.1 h1:voD4ITNjPL5jjBfgR/r8fPIIBrliWrWHeiJApdr3r4w=
+github.com/smartystreets/assertions v1.0.1/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM=
+github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
+github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 h1:WN9BUFbdyOsSH/XohnWpXOlq9NBD5sGAB2FciQMUEe8=
+github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnlCXM=
+github.com/unknwon/com v1.0.1 h1:3d1LTxD+Lnf3soQiD4Cp/0BRB+Rsa/+RTvz8GMMzIXs=
+github.com/unknwon/com v1.0.1/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnlCXM=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 h1:HuIa8hRrWRSrqYzx1qI49NNxhdi2PrY7gxVSq1JjLDc=
+golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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diff --git a/pkg/middleware/csrf.go b/pkg/middleware/csrf.go
new file mode 100644
index 0000000000..7eeccfb22b
--- /dev/null
+++ b/pkg/middleware/csrf.go
@@ -0,0 +1,33 @@
+package middleware
+
+import (
+	"errors"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+func CSRF(loginCookieName string) http.Handler {
+	// As per RFC 7231/4.2.2 these methods are idempotent:
+	// (GET is excluded because it may have side effects in some APIs)
+	safeMethods := []string{"HEAD", "OPTIONS", "TRACE"}
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// If request has no login cookie - skip CSRF checks
+		if _, err := r.Cookie(loginCookieName); errors.Is(err, http.ErrNoCookie) {
+			return
+		}
+		// Skip CSRF checks for "safe" methods
+		for _, method := range safeMethods {
+			if r.Method == method {
+				return
+			}
+		}
+		// Otherwise - verify that Origin matches the server origin
+		host := strings.Split(r.Host, ":")[0]
+		origin, err := url.Parse(r.Header.Get("Origin"))
+		if err != nil || (origin.String() != "" && origin.Hostname() != host) {
+			http.Error(w, "origin not allowed", http.StatusForbidden)
+			return
+		}
+	})
+}