79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package utils
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import (
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"context"
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"errors"
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"fmt"
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"github.com/redis/go-redis/v9"
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"math/rand"
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"qnc-server/config"
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"qnc-server/db"
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"regexp"
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"time"
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)
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var ctx = context.Background()
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func GenerateVerificationCode() string {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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code := fmt.Sprintf("%06d", r.Intn(1000000))
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return code
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}
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// 验证手机号码格式的函数
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func IsValidPhoneNumber(phone string) bool {
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re := regexp.MustCompile(`^1[3-9]\d{9}$`)
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return re.MatchString(phone)
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}
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// StoreVerificationCode 存储验证码到 Redis
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func StoreVerificationCode(phoneNumber, code string) error {
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err := db.RedisClient.Set(ctx, phoneNumber, code, config.ConfigData.VerifyCode.Expiration).Err()
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if err != nil {
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return err
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}
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err = SetThrottle(phoneNumber)
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if err != nil {
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return err
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}
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return nil
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}
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// VerifyCode 验证验证码
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func VerifyCode(phoneNumber, code string) (bool, error) {
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//if phoneNumber == "18276151590" {
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// return true, nil
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//}
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storedCode, err := db.RedisClient.Get(ctx, phoneNumber).Result()
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if errors.Is(err, redis.Nil) {
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return false, fmt.Errorf("验证码不存在或已过期")
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} else if err != nil {
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return false, err
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}
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if storedCode == code {
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return true, nil
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} else {
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return false, nil
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}
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}
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// CanRequestCode 检查用户是否可以请求新的验证码
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func CanRequestCode(phoneNumber string) (bool, error) {
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key := "throttle:" + phoneNumber
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exists, err := db.RedisClient.Exists(ctx, key).Result()
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if err != nil {
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return false, err
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}
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return exists == 1, nil
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}
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// SetThrottle 设置用户请求的节流
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func SetThrottle(phoneNumber string) error {
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key := "throttle:" + phoneNumber
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err := db.RedisClient.Set(ctx, key, "1", config.ConfigData.VerifyCode.ThrottleTime).Err()
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if err != nil {
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return err
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}
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return nil
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}
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