🚧 improve image encryption and decryption

app/auth/api/internal/logic/captcha/generate_text_captcha_logic.go

@@ -0,0 +1,39 @@
+package captcha
+
+import (
+	"context"
+	"net/http"
+	"schisandra-album-cloud-microservices/common/captcha/generate"
+	"schisandra-album-cloud-microservices/common/errors"
+
+	"schisandra-album-cloud-microservices/app/auth/api/internal/svc"
+	"schisandra-album-cloud-microservices/app/auth/api/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type GenerateTextCaptchaLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewGenerateTextCaptchaLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GenerateTextCaptchaLogic {
+	return &GenerateTextCaptchaLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *GenerateTextCaptchaLogic) GenerateTextCaptcha() (resp *types.TextCaptchaResponse, err error) {
+	captcha, err := generate.GenerateBasicTextCaptcha(l.svcCtx.TextCaptcha, l.svcCtx.RedisClient, l.ctx)
+	if err != nil {
+		return nil, errors.New(http.StatusInternalServerError, err.Error())
+	}
+	return &types.TextCaptchaResponse{
+		Key:   captcha["key"].(string),
+		Image: captcha["image"].(string),
+		Thumb: captcha["thumb"].(string),
+	}, nil
+}