mirror of
https://github.com/go-gitea/gitea
synced 2024-11-14 14:01:34 +01:00
145 lines
4 KiB
Go
145 lines
4 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package middleware
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import (
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"reflect"
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"strings"
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"code.gitea.io/gitea/modules/translation"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/modules/validation"
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"gitea.com/go-chi/binding"
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)
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// Form form binding interface
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type Form interface {
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binding.Validator
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}
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func init() {
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binding.SetNameMapper(util.ToSnakeCase)
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}
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// AssignForm assign form values back to the template data.
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func AssignForm(form interface{}, data map[string]interface{}) {
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typ := reflect.TypeOf(form)
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val := reflect.ValueOf(form)
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for typ.Kind() == reflect.Ptr {
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typ = typ.Elem()
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val = val.Elem()
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}
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for i := 0; i < typ.NumField(); i++ {
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field := typ.Field(i)
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fieldName := field.Tag.Get("form")
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// Allow ignored fields in the struct
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if fieldName == "-" {
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continue
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} else if len(fieldName) == 0 {
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fieldName = util.ToSnakeCase(field.Name)
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}
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data[fieldName] = val.Field(i).Interface()
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}
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}
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func getRuleBody(field reflect.StructField, prefix string) string {
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for _, rule := range strings.Split(field.Tag.Get("binding"), ";") {
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if strings.HasPrefix(rule, prefix) {
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return rule[len(prefix) : len(rule)-1]
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}
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}
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return ""
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}
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// GetSize get size int form tag
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func GetSize(field reflect.StructField) string {
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return getRuleBody(field, "Size(")
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}
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// GetMinSize get minimal size in form tag
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func GetMinSize(field reflect.StructField) string {
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return getRuleBody(field, "MinSize(")
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}
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// GetMaxSize get max size in form tag
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func GetMaxSize(field reflect.StructField) string {
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return getRuleBody(field, "MaxSize(")
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}
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// GetInclude get include in form tag
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func GetInclude(field reflect.StructField) string {
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return getRuleBody(field, "Include(")
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}
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// Validate validate TODO:
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func Validate(errs binding.Errors, data map[string]interface{}, f Form, l translation.Locale) binding.Errors {
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if errs.Len() == 0 {
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return errs
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}
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data["HasError"] = true
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// If the field with name errs[0].FieldNames[0] is not found in form
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// somehow, some code later on will panic on Data["ErrorMsg"].(string).
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// So initialize it to some default.
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data["ErrorMsg"] = l.Tr("form.unknown_error")
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AssignForm(f, data)
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typ := reflect.TypeOf(f)
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if typ.Kind() == reflect.Ptr {
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typ = typ.Elem()
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}
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if field, ok := typ.FieldByName(errs[0].FieldNames[0]); ok {
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fieldName := field.Tag.Get("form")
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if fieldName != "-" {
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data["Err_"+field.Name] = true
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trName := field.Tag.Get("locale")
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if len(trName) == 0 {
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trName = l.Tr("form." + field.Name)
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} else {
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trName = l.Tr(trName)
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}
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switch errs[0].Classification {
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case binding.ERR_REQUIRED:
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data["ErrorMsg"] = trName + l.Tr("form.require_error")
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case binding.ERR_ALPHA_DASH:
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data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_error")
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case binding.ERR_ALPHA_DASH_DOT:
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data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_dot_error")
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case validation.ErrGitRefName:
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data["ErrorMsg"] = trName + l.Tr("form.git_ref_name_error")
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case binding.ERR_SIZE:
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data["ErrorMsg"] = trName + l.Tr("form.size_error", GetSize(field))
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case binding.ERR_MIN_SIZE:
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data["ErrorMsg"] = trName + l.Tr("form.min_size_error", GetMinSize(field))
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case binding.ERR_MAX_SIZE:
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data["ErrorMsg"] = trName + l.Tr("form.max_size_error", GetMaxSize(field))
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case binding.ERR_EMAIL:
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data["ErrorMsg"] = trName + l.Tr("form.email_error")
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case binding.ERR_URL:
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data["ErrorMsg"] = trName + l.Tr("form.url_error", errs[0].Message)
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case binding.ERR_INCLUDE:
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data["ErrorMsg"] = trName + l.Tr("form.include_error", GetInclude(field))
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case validation.ErrGlobPattern:
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data["ErrorMsg"] = trName + l.Tr("form.glob_pattern_error", errs[0].Message)
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case validation.ErrRegexPattern:
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data["ErrorMsg"] = trName + l.Tr("form.regex_pattern_error", errs[0].Message)
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default:
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data["ErrorMsg"] = l.Tr("form.unknown_error") + " " + errs[0].Classification
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}
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return errs
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}
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}
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return errs
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}
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