Files
schisandra-album-cloud-micr…/common/captcha/generate/generate_slide_region_captcha.go
2024-12-24 00:38:41 +08:00

57 lines
1.4 KiB
Go

package generate
import (
"context"
"encoding/json"
"errors"
"schisandra-album-cloud-microservices/common/constant"
"time"
"github.com/redis/go-redis/v9"
"github.com/wenlng/go-captcha-assets/helper"
"github.com/wenlng/go-captcha/v2/slide"
)
// GenerateSlideRegionCaptcha generate slide region captcha
func GenerateSlideRegionCaptcha(slide slide.Captcha, redis redis.Client, ctx context.Context) (map[string]interface{}, error) {
captData, err := slide.Generate()
if err != nil {
return nil, err
}
blockData := captData.GetData()
if blockData == nil {
return nil, errors.New("block data is nil")
}
var masterImageBase64, tileImageBase64 string
masterImageBase64, err = captData.GetMasterImage().ToBase64()
if err != nil {
return nil, err
}
tileImageBase64, err = captData.GetTileImage().ToBase64()
if err != nil {
return nil, err
}
blockByte, err := json.Marshal(blockData)
if err != nil {
return nil, err
}
key := helper.StringToMD5(string(blockByte))
err = redis.Set(ctx, constant.UserCaptchaPrefix+key, blockByte, time.Minute).Err()
if err != nil {
return nil, err
}
return map[string]interface{}{
"code": 0,
"key": key,
"image": masterImageBase64,
"tile": tileImageBase64,
"tile_width": blockData.Width,
"tile_height": blockData.Height,
"tile_x": blockData.TileX,
"tile_y": blockData.TileY,
}, nil
}