httpsms-Android/api/pkg/validators/validator.go at main · BitFlexFinTech/httpsms-Android · GitHub

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package validators

import (

"fmt"

"net/url"

"regexp"

"strings"

"github.com/NdoleStudio/httpsms/pkg/events"

"github.com/nyaruka/phonenumbers"

"github.com/thedevsaddam/govalidator"

)

type validator struct{}

const (

phoneNumberRule = "phoneNumber"

multiplePhoneNumberRule = "multiplePhoneNumber"

contactPhoneNumberRule = "contactPhoneNumber"

multipleContactPhoneNumberRule = "multipleContactPhoneNumber"

multipleInRule = "multipleIn"

webhookEventsRule = "webhookEvents"

)

func init() {

// custom rules to take fixed length word.

// e.g: max_word:5 will throw error if the field contains more than 5 words

govalidator.AddCustomRule(phoneNumberRule, func(field string, rule string, message string, value interface{}) error {

phoneNumber, ok := value.(string)

if !ok {

return fmt.Errorf("The %s field must be a valid E.164 phone number in the international format e.g +18005550100", field)

}

_, err := phonenumbers.Parse(phoneNumber, phonenumbers.UNKNOWN_REGION)

if err != nil {

return fmt.Errorf("The %s field must be a valid E.164 phone number in the international format e.g +18005550100", field)

}

return nil

})

govalidator.AddCustomRule(multiplePhoneNumberRule, func(field string, rule string, message string, value interface{}) error {

phoneNumbers, ok := value.([]string)

if !ok {

return fmt.Errorf("The %s field must be an array of valid phone numbers", field)

}

for index, number := range phoneNumbers {

_, err := phonenumbers.Parse(number, phonenumbers.UNKNOWN_REGION)

if err != nil {

return fmt.Errorf("The %s field in index [%d] must be a valid E.164 phone number in the international format e.g +18005550100", field, index)

}

return nil

})

// custom rules to take fixed length word.

// e.g: max_word:5 will throw error if the field contains more than 5 words

govalidator.AddCustomRule(contactPhoneNumberRule, func(field string, rule string, message string, value interface{}) error {

phoneNumber, ok := value.(string)

if !ok {

return fmt.Errorf("The %s field must contain only digits and must be less than 14 characters", field)

}

if match, err := regexp.MatchString("^\\+?[0-9]\\d{1,14}$", phoneNumber); err != nil || !match {

return fmt.Errorf("The %s field must contain only digits and must be less than 14 characters", field)

}

return nil

})

govalidator.AddCustomRule(multipleContactPhoneNumberRule, func(field string, rule string, message string, value interface{}) error {

phoneNumbers, ok := value.([]string)

if !ok {

return fmt.Errorf("The %s field must be an array of valid phone numbers", field)

}

for index, number := range phoneNumbers {

if match, err := regexp.MatchString("^\\+?[0-9]\\d{1,14}$", number); err != nil || !match {

return fmt.Errorf("The %s field in index [%d] must contain only digits and must be less than 14 characters", field, index)

}

return nil

})

govalidator.AddCustomRule(multipleInRule, func(field string, rule string, message string, value interface{}) error {

values, ok := value.([]string)

if !ok {

return fmt.Errorf("the %s field must be a string array", field)

}

allowlist := strings.Split(strings.TrimPrefix(rule, multipleInRule+":"), ",")

contains := func(str string) bool {

for _, a := range allowlist {

if a == str {

return true

}

return false

}

for index, item := range values {

if !contains(item) {

return fmt.Errorf("the %s field in contains an invalid value [%s] at index [%d] ", field, item, index)

}

return nil

})

govalidator.AddCustomRule(webhookEventsRule, func(field string, rule string, message string, value interface{}) error {

input, ok := value.([]string)

if !ok {

return fmt.Errorf("The %s field must be a string array", field)

}

if len(input) == 0 {

return fmt.Errorf("The %s field is an empty array", field)

}

validEvents := map[string]bool{

events.EventTypeMessagePhoneReceived: true,

events.EventTypeMessagePhoneSent: true,

events.EventTypeMessagePhoneDelivered: true,

events.EventTypeMessageSendFailed: true,

events.EventTypeMessageSendExpired: true,

events.EventTypePhoneHeartbeatOnline: true,

events.EventTypePhoneHeartbeatOffline: true,

events.MessageCallMissed: true,

}

for _, event := range input {

if _, ok := validEvents[event]; !ok {

return fmt.Errorf("The %s field has an invalid event with name [%s]", field, event)

}

return nil

})

}

// ValidateUUID that the payload is a UUID

func (validator *validator) ValidateUUID(ID string, name string) url.Values {

request := map[string]string{

name: ID,

}

v := govalidator.New(govalidator.Options{

Data: &request,

Rules: govalidator.MapData{

name: []string{

"required",

"uuid",

})

return v.ValidateStruct()

}

httpsms-Android/api/pkg/validators/validator.go at main · BitFlexFinTech/httpsms-Android · GitHub

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