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