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- // Copyright 2014 The Gogs Authors. All rights reserved.
- // Copyright 2019 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package middleware
-
- import (
- "reflect"
- "strings"
-
- "code.gitea.io/gitea/modules/translation"
- "code.gitea.io/gitea/modules/util"
- "code.gitea.io/gitea/modules/validation"
-
- "gitea.com/go-chi/binding"
- )
-
- // Form form binding interface
- type Form interface {
- binding.Validator
- }
-
- func init() {
- binding.SetNameMapper(util.ToSnakeCase)
- }
-
- // AssignForm assign form values back to the template data.
- func AssignForm(form any, data map[string]any) {
- typ := reflect.TypeOf(form)
- val := reflect.ValueOf(form)
-
- for typ.Kind() == reflect.Ptr {
- typ = typ.Elem()
- val = val.Elem()
- }
-
- for i := 0; i < typ.NumField(); i++ {
- field := typ.Field(i)
-
- fieldName := field.Tag.Get("form")
- // Allow ignored fields in the struct
- if fieldName == "-" {
- continue
- } else if len(fieldName) == 0 {
- fieldName = util.ToSnakeCase(field.Name)
- }
-
- data[fieldName] = val.Field(i).Interface()
- }
- }
-
- func getRuleBody(field reflect.StructField, prefix string) string {
- for _, rule := range strings.Split(field.Tag.Get("binding"), ";") {
- if strings.HasPrefix(rule, prefix) {
- return rule[len(prefix) : len(rule)-1]
- }
- }
- return ""
- }
-
- // GetSize get size int form tag
- func GetSize(field reflect.StructField) string {
- return getRuleBody(field, "Size(")
- }
-
- // GetMinSize get minimal size in form tag
- func GetMinSize(field reflect.StructField) string {
- return getRuleBody(field, "MinSize(")
- }
-
- // GetMaxSize get max size in form tag
- func GetMaxSize(field reflect.StructField) string {
- return getRuleBody(field, "MaxSize(")
- }
-
- // GetInclude get include in form tag
- func GetInclude(field reflect.StructField) string {
- return getRuleBody(field, "Include(")
- }
-
- // Validate validate TODO:
- func Validate(errs binding.Errors, data map[string]any, f Form, l translation.Locale) binding.Errors {
- if errs.Len() == 0 {
- return errs
- }
-
- data["HasError"] = true
- // If the field with name errs[0].FieldNames[0] is not found in form
- // somehow, some code later on will panic on Data["ErrorMsg"].(string).
- // So initialize it to some default.
- data["ErrorMsg"] = l.Tr("form.unknown_error")
- AssignForm(f, data)
-
- typ := reflect.TypeOf(f)
-
- if typ.Kind() == reflect.Ptr {
- typ = typ.Elem()
- }
-
- if field, ok := typ.FieldByName(errs[0].FieldNames[0]); ok {
- fieldName := field.Tag.Get("form")
- if fieldName != "-" {
- data["Err_"+field.Name] = true
-
- trName := field.Tag.Get("locale")
- if len(trName) == 0 {
- trName = l.Tr("form." + field.Name)
- } else {
- trName = l.Tr(trName)
- }
-
- switch errs[0].Classification {
- case binding.ERR_REQUIRED:
- data["ErrorMsg"] = trName + l.Tr("form.require_error")
- case binding.ERR_ALPHA_DASH:
- data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_error")
- case binding.ERR_ALPHA_DASH_DOT:
- data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_dot_error")
- case validation.ErrGitRefName:
- data["ErrorMsg"] = trName + l.Tr("form.git_ref_name_error")
- case binding.ERR_SIZE:
- data["ErrorMsg"] = trName + l.Tr("form.size_error", GetSize(field))
- case binding.ERR_MIN_SIZE:
- data["ErrorMsg"] = trName + l.Tr("form.min_size_error", GetMinSize(field))
- case binding.ERR_MAX_SIZE:
- data["ErrorMsg"] = trName + l.Tr("form.max_size_error", GetMaxSize(field))
- case binding.ERR_EMAIL:
- data["ErrorMsg"] = trName + l.Tr("form.email_error")
- case binding.ERR_URL:
- data["ErrorMsg"] = trName + l.Tr("form.url_error", errs[0].Message)
- case binding.ERR_INCLUDE:
- data["ErrorMsg"] = trName + l.Tr("form.include_error", GetInclude(field))
- case validation.ErrGlobPattern:
- data["ErrorMsg"] = trName + l.Tr("form.glob_pattern_error", errs[0].Message)
- case validation.ErrRegexPattern:
- data["ErrorMsg"] = trName + l.Tr("form.regex_pattern_error", errs[0].Message)
- case validation.ErrUsername:
- data["ErrorMsg"] = trName + l.Tr("form.username_error")
- case validation.ErrInvalidGroupTeamMap:
- data["ErrorMsg"] = trName + l.Tr("form.invalid_group_team_map_error", errs[0].Message)
- default:
- msg := errs[0].Classification
- if msg != "" && errs[0].Message != "" {
- msg += ": "
- }
-
- msg += errs[0].Message
- if msg == "" {
- msg = l.Tr("form.unknown_error")
- }
- data["ErrorMsg"] = trName + ": " + msg
- }
- return errs
- }
- }
- return errs
- }
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