✨ add comment verification

utils/check_captcha.go

@@ -0,0 +1,66 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/wenlng/go-captcha/v2/rotate"
+	"github.com/wenlng/go-captcha/v2/slide"
+	"schisandra-cloud-album/common/constant"
+	"schisandra-cloud-album/common/redis"
+	"schisandra-cloud-album/global"
+	"strconv"
+)
+
+// CheckSlideData 校验滑动验证码
+func CheckSlideData(point []int64, key string) bool {
+	if point == nil || key == "" {
+		return false
+	}
+	cacheDataByte, err := redis.Get(constant.CommentSubmitCaptchaRedisKey + key).Bytes()
+	if len(cacheDataByte) == 0 || err != nil {
+		return false
+	}
+	var dct *slide.Block
+	if err = json.Unmarshal(cacheDataByte, &dct); err != nil {
+		return false
+	}
+
+	chkRet := false
+	if 2 == len(point) {
+		sx, _ := strconv.ParseFloat(fmt.Sprintf("%v", point[0]), 64)
+		sy, _ := strconv.ParseFloat(fmt.Sprintf("%v", point[1]), 64)
+		chkRet = slide.CheckPoint(int64(sx), int64(sy), int64(dct.X), int64(dct.Y), 4)
+	}
+	if chkRet {
+		return true
+	}
+	return false
+}
+
+// CheckRotateData 校验旋转验证码
+func CheckRotateData(angle string, key string) bool {
+	if angle == "" || key == "" {
+		return false
+	}
+	cacheDataByte, err := redis.Get(constant.UserLoginCaptchaRedisKey + key).Bytes()
+	if err != nil || len(cacheDataByte) == 0 {
+		global.LOG.Error(err)
+		return false
+	}
+	var dct *rotate.Block
+	if err = json.Unmarshal(cacheDataByte, &dct); err != nil {
+		global.LOG.Error(err)
+		return false
+	}
+	sAngle, err := strconv.ParseFloat(fmt.Sprintf("%v", angle), 64)
+	if err != nil {
+		global.LOG.Error(err)
+		return false
+	}
+	chkRet := rotate.CheckAngle(int64(sAngle), int64(dct.Angle), 2)
+	if chkRet {
+		return true
+	}
+	return false
+
+}