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gvalid_validator_check_value.go
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/
gvalid_validator_check_value.go
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gvalid
import (
"github.com/gogf/gf/errors/gcode"
"github.com/gogf/gf/errors/gerror"
"strconv"
"strings"
"time"
"github.com/gogf/gf/internal/json"
"github.com/gogf/gf/net/gipv4"
"github.com/gogf/gf/net/gipv6"
"github.com/gogf/gf/os/gtime"
"github.com/gogf/gf/text/gregex"
"github.com/gogf/gf/util/gconv"
"github.com/gogf/gf/util/gutil"
)
type apiTime interface {
Date() (year int, month time.Month, day int)
IsZero() bool
}
// CheckValue checks single value with specified rules.
// It returns nil if successful validation.
func (v *Validator) CheckValue(value interface{}) Error {
return v.doCheckValue(doCheckValueInput{
Name: "",
Value: value,
Rule: gconv.String(v.rules),
Messages: v.messages,
DataRaw: v.data,
DataMap: gconv.Map(v.data),
})
}
type doCheckValueInput struct {
Name string // Name specifies the name of parameter `value`.
Value interface{} // Value specifies the value for this rules to be validated.
Rule string // Rule specifies the validation rules string, like "required", "required|between:1,100", etc.
Messages interface{} // Messages specifies the custom error messages for this rule, which is usually type of map/slice.
DataRaw interface{} // DataRaw specifies the `raw data` which is passed to the Validator. It might be type of map/struct or a nil value.
DataMap map[string]interface{} // DataMap specifies the map that is converted from `dataRaw`. It is usually used internally
}
// doCheckSingleValue does the really rules validation for single key-value.
func (v *Validator) doCheckValue(input doCheckValueInput) Error {
// If there's no validation rules, it does nothing and returns quickly.
if input.Rule == "" {
return nil
}
// It converts value to string and then does the validation.
var (
// Do not trim it as the space is also part of the value.
errorMsgArray = make(map[string]string)
)
// Custom error messages handling.
var (
msgArray = make([]string, 0)
customMsgMap = make(map[string]string)
)
switch v := input.Messages.(type) {
case string:
msgArray = strings.Split(v, "|")
default:
for k, v := range gconv.Map(input.Messages) {
customMsgMap[k] = gconv.String(v)
}
}
// Handle the char '|' in the rule,
// which makes this rule separated into multiple rules.
ruleItems := strings.Split(strings.TrimSpace(input.Rule), "|")
for i := 0; ; {
array := strings.Split(ruleItems[i], ":")
_, ok := allSupportedRules[array[0]]
if !ok && v.getRuleFunc(array[0]) == nil {
if i > 0 && ruleItems[i-1][:5] == "regex" {
ruleItems[i-1] += "|" + ruleItems[i]
ruleItems = append(ruleItems[:i], ruleItems[i+1:]...)
} else {
return newErrorStr(
internalRulesErrRuleName,
internalRulesErrRuleName+": "+input.Rule,
)
}
} else {
i++
}
if i == len(ruleItems) {
break
}
}
var (
hasBailRule = false
)
for index := 0; index < len(ruleItems); {
var (
err error
match = false // whether this rule is matched(has no error)
results = ruleRegex.FindStringSubmatch(ruleItems[index]) // split single rule.
ruleKey = strings.TrimSpace(results[1]) // rule name like "max" in rule "max: 6"
rulePattern = strings.TrimSpace(results[2]) // rule value if any like "6" in rule:"max:6"
customRuleFunc RuleFunc
)
if !hasBailRule && ruleKey == bailRuleName {
hasBailRule = true
}
// Ignore logic executing for marked rules.
if markedRuleMap[ruleKey] {
index++
continue
}
if len(msgArray) > index {
customMsgMap[ruleKey] = strings.TrimSpace(msgArray[index])
}
// Custom rule handling.
// 1. It firstly checks and uses the custom registered rules functions in the current Validator.
// 2. It secondly checks and uses the globally registered rules functions.
// 3. It finally checks and uses the build-in rules functions.
customRuleFunc = v.getRuleFunc(ruleKey)
if customRuleFunc != nil {
// It checks custom validation rules with most priority.
message := v.getErrorMessageByRule(ruleKey, customMsgMap)
if err := customRuleFunc(v.ctx, ruleItems[index], input.Value, message, input.DataRaw); err != nil {
match = false
errorMsgArray[ruleKey] = err.Error()
} else {
match = true
}
} else {
// It checks build-in validation rules if there's no custom rule.
match, err = v.doCheckBuildInRules(doCheckBuildInRulesInput{
Index: index,
Value: input.Value,
RuleKey: ruleKey,
RulePattern: rulePattern,
RuleItems: ruleItems,
DataMap: input.DataMap,
CustomMsgMap: customMsgMap,
})
if !match && err != nil {
errorMsgArray[ruleKey] = err.Error()
}
}
// Error message handling.
if !match {
// It does nothing if the error message for this rule
// is already set in previous validation.
if _, ok := errorMsgArray[ruleKey]; !ok {
errorMsgArray[ruleKey] = v.getErrorMessageByRule(ruleKey, customMsgMap)
}
// If it is with error and there's bail rule,
// it then does not continue validating for left rules.
if hasBailRule {
break
}
}
index++
}
if len(errorMsgArray) > 0 {
return newError(gcode.CodeValidationFailed, []fieldRule{{Name: input.Name, Rule: input.Rule}}, map[string]map[string]string{
input.Name: errorMsgArray,
})
}
return nil
}
type doCheckBuildInRulesInput struct {
Index int
Value interface{}
RuleKey string
RulePattern string
RuleItems []string
DataMap map[string]interface{}
CustomMsgMap map[string]string
}
func (v *Validator) doCheckBuildInRules(input doCheckBuildInRulesInput) (match bool, err error) {
valueStr := gconv.String(input.Value)
switch input.RuleKey {
// Required rules.
case
"required",
"required-if",
"required-unless",
"required-with",
"required-with-all",
"required-without",
"required-without-all":
match = v.checkRequired(input.Value, input.RuleKey, input.RulePattern, input.DataMap)
// Length rules.
// It also supports length of unicode string.
case
"length",
"min-length",
"max-length",
"size":
if msg := v.checkLength(valueStr, input.RuleKey, input.RulePattern, input.CustomMsgMap); msg != "" {
return match, gerror.NewOption(gerror.Option{
Text: msg,
Code: gcode.CodeValidationFailed,
})
} else {
match = true
}
// Range rules.
case
"min",
"max",
"between":
if msg := v.checkRange(valueStr, input.RuleKey, input.RulePattern, input.CustomMsgMap); msg != "" {
return match, gerror.NewOption(gerror.Option{
Text: msg,
Code: gcode.CodeValidationFailed,
})
} else {
match = true
}
// Custom regular expression.
case "regex":
// It here should check the rule as there might be special char '|' in it.
for i := input.Index + 1; i < len(input.RuleItems); i++ {
if !gregex.IsMatchString(singleRulePattern, input.RuleItems[i]) {
input.RulePattern += "|" + input.RuleItems[i]
input.Index++
}
}
match = gregex.IsMatchString(input.RulePattern, valueStr)
// Date rules.
case "date":
// support for time value, eg: gtime.Time/*gtime.Time, time.Time/*time.Time.
if v, ok := input.Value.(apiTime); ok {
return !v.IsZero(), nil
}
match = gregex.IsMatchString(`\d{4}[\.\-\_/]{0,1}\d{2}[\.\-\_/]{0,1}\d{2}`, valueStr)
// Date rule with specified format.
case "date-format":
// support for time value, eg: gtime.Time/*gtime.Time, time.Time/*time.Time.
if v, ok := input.Value.(apiTime); ok {
return !v.IsZero(), nil
}
if _, err := gtime.StrToTimeFormat(valueStr, input.RulePattern); err == nil {
match = true
} else {
var msg string
msg = v.getErrorMessageByRule(input.RuleKey, input.CustomMsgMap)
msg = strings.Replace(msg, ":format", input.RulePattern, -1)
return match, gerror.NewOption(gerror.Option{
Text: msg,
Code: gcode.CodeValidationFailed,
})
}
// Values of two fields should be equal as string.
case "same":
_, foundValue := gutil.MapPossibleItemByKey(input.DataMap, input.RulePattern)
if foundValue != nil {
if strings.Compare(valueStr, gconv.String(foundValue)) == 0 {
match = true
}
}
if !match {
var msg string
msg = v.getErrorMessageByRule(input.RuleKey, input.CustomMsgMap)
msg = strings.Replace(msg, ":field", input.RulePattern, -1)
return match, gerror.NewOption(gerror.Option{
Text: msg,
Code: gcode.CodeValidationFailed,
})
}
// Values of two fields should not be equal as string.
case "different":
match = true
_, foundValue := gutil.MapPossibleItemByKey(input.DataMap, input.RulePattern)
if foundValue != nil {
if strings.Compare(valueStr, gconv.String(foundValue)) == 0 {
match = false
}
}
if !match {
var msg string
msg = v.getErrorMessageByRule(input.RuleKey, input.CustomMsgMap)
msg = strings.Replace(msg, ":field", input.RulePattern, -1)
return match, gerror.NewOption(gerror.Option{
Text: msg,
Code: gcode.CodeValidationFailed,
})
}
// Field value should be in range of.
case "in":
array := strings.Split(input.RulePattern, ",")
for _, v := range array {
if strings.Compare(valueStr, strings.TrimSpace(v)) == 0 {
match = true
break
}
}
// Field value should not be in range of.
case "not-in":
match = true
array := strings.Split(input.RulePattern, ",")
for _, v := range array {
if strings.Compare(valueStr, strings.TrimSpace(v)) == 0 {
match = false
break
}
}
// Phone format validation.
// 1. China Mobile:
// 134, 135, 136, 137, 138, 139, 150, 151, 152, 157, 158, 159, 182, 183, 184, 187, 188,
// 178(4G), 147(Net);
// 172
//
// 2. China Unicom:
// 130, 131, 132, 155, 156, 185, 186 ,176(4G), 145(Net), 175
//
// 3. China Telecom:
// 133, 153, 180, 181, 189, 177(4G)
//
// 4. Satelite:
// 1349
//
// 5. Virtual:
// 170, 173
//
// 6. 2018:
// 16x, 19x
case "phone":
match = gregex.IsMatchString(`^13[\d]{9}$|^14[5,7]{1}\d{8}$|^15[^4]{1}\d{8}$|^16[\d]{9}$|^17[0,2,3,5,6,7,8]{1}\d{8}$|^18[\d]{9}$|^19[\d]{9}$`, valueStr)
// Loose mobile phone number verification(宽松的手机号验证)
// As long as the 11 digit numbers beginning with
// 13, 14, 15, 16, 17, 18, 19 can pass the verification (只要满足 13、14、15、16、17、18、19开头的11位数字都可以通过验证)
case "phone-loose":
match = gregex.IsMatchString(`^1(3|4|5|6|7|8|9)\d{9}$`, valueStr)
// Telephone number:
// "XXXX-XXXXXXX"
// "XXXX-XXXXXXXX"
// "XXX-XXXXXXX"
// "XXX-XXXXXXXX"
// "XXXXXXX"
// "XXXXXXXX"
case "telephone":
match = gregex.IsMatchString(`^((\d{3,4})|\d{3,4}-)?\d{7,8}$`, valueStr)
// QQ number: from 10000.
case "qq":
match = gregex.IsMatchString(`^[1-9][0-9]{4,}$`, valueStr)
// Postcode number.
case "postcode":
match = gregex.IsMatchString(`^\d{6}$`, valueStr)
// China resident id number.
//
// xxxxxx yyyy MM dd 375 0 十八位
// xxxxxx yy MM dd 75 0 十五位
//
// 地区: [1-9]\d{5}
// 年的前两位:(18|19|([23]\d)) 1800-2399
// 年的后两位:\d{2}
// 月份: ((0[1-9])|(10|11|12))
// 天数: (([0-2][1-9])|10|20|30|31) 闰年不能禁止29+
//
// 三位顺序码:\d{3}
// 两位顺序码:\d{2}
// 校验码: [0-9Xx]
//
// 十八位:^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$
// 十五位:^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}$
//
// 总:
// (^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$)|(^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}$)
case "resident-id":
match = v.checkResidentId(valueStr)
// Bank card number using LUHN algorithm.
case "bank-card":
match = v.checkLuHn(valueStr)
// Universal passport format rule:
// Starting with letter, containing only numbers or underscores, length between 6 and 18.
case "passport":
match = gregex.IsMatchString(`^[a-zA-Z]{1}\w{5,17}$`, valueStr)
// Universal password format rule1:
// Containing any visible chars, length between 6 and 18.
case "password":
match = gregex.IsMatchString(`^[\w\S]{6,18}$`, valueStr)
// Universal password format rule2:
// Must meet password rule1, must contain lower and upper letters and numbers.
case "password2":
if gregex.IsMatchString(`^[\w\S]{6,18}$`, valueStr) &&
gregex.IsMatchString(`[a-z]+`, valueStr) &&
gregex.IsMatchString(`[A-Z]+`, valueStr) &&
gregex.IsMatchString(`\d+`, valueStr) {
match = true
}
// Universal password format rule3:
// Must meet password rule1, must contain lower and upper letters, numbers and special chars.
case "password3":
if gregex.IsMatchString(`^[\w\S]{6,18}$`, valueStr) &&
gregex.IsMatchString(`[a-z]+`, valueStr) &&
gregex.IsMatchString(`[A-Z]+`, valueStr) &&
gregex.IsMatchString(`\d+`, valueStr) &&
gregex.IsMatchString(`[^a-zA-Z0-9]+`, valueStr) {
match = true
}
// Json.
case "json":
if json.Valid([]byte(valueStr)) {
match = true
}
// Integer.
case "integer":
if _, err := strconv.Atoi(valueStr); err == nil {
match = true
}
// Float.
case "float":
if _, err := strconv.ParseFloat(valueStr, 10); err == nil {
match = true
}
// Boolean(1,true,on,yes:true | 0,false,off,no,"":false).
case "boolean":
match = false
if _, ok := boolMap[strings.ToLower(valueStr)]; ok {
match = true
}
// Email.
case "email":
match = gregex.IsMatchString(`^[a-zA-Z0-9_\-\.]+@[a-zA-Z0-9_\-]+(\.[a-zA-Z0-9_\-]+)+$`, valueStr)
// URL
case "url":
match = gregex.IsMatchString(`(https?|ftp|file)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]`, valueStr)
// Domain
case "domain":
match = gregex.IsMatchString(`^([0-9a-zA-Z][0-9a-zA-Z\-]{0,62}\.)+([a-zA-Z]{0,62})$`, valueStr)
// IP(IPv4/IPv6).
case "ip":
match = gipv4.Validate(valueStr) || gipv6.Validate(valueStr)
// IPv4.
case "ipv4":
match = gipv4.Validate(valueStr)
// IPv6.
case "ipv6":
match = gipv6.Validate(valueStr)
// MAC.
case "mac":
match = gregex.IsMatchString(`^([0-9A-Fa-f]{2}[\-:]){5}[0-9A-Fa-f]{2}$`, valueStr)
default:
return match, gerror.NewOption(gerror.Option{
Text: "Invalid rule name: " + input.RuleKey,
Code: gcode.CodeInvalidParameter,
})
}
return match, nil
}