feat: add webp image convert function

coolq/bot.go

@@ -153,9 +153,23 @@ func (bot *CQBot) uploadLocalImage(target message.Source, img *LocalImageElement
 		defer func() { _ = f.Close() }()
 		img.Stream = f
 	}
-	if mt, ok := mime.CheckImage(img.Stream); !ok {
+	mt, ok := mime.CheckImage(img.Stream)
+	if !ok {
 		return nil, errors.New("image type error: " + mt)
 	}
+	if mt == "image/webp" && base.ConvertWebpImage != false {
+		newname := img.File + ".png"
+		err := global.ConvertImagePng(img.File, newname)
+		if err != nil {
+			return nil, errors.Wrap(err, "convert webp image error")
+		}
+		f, err := os.Open(newname)
+		if err != nil {
+			return nil, errors.Wrap(err, "open image error")
+		}
+		defer func() { _ = f.Close() }()
+		img.Stream = f
+	}
 	i, err := bot.Client.UploadImage(target, img.Stream, 4)
 	if err != nil {
 		return nil, err

global/codec.go

@@ -46,3 +46,8 @@ func ExtractCover(src string, target string) error {
 	cmd := exec.Command("ffmpeg", "-i", src, "-y", "-ss", "0", "-frames:v", "1", target)
 	return errors.Wrap(cmd.Run(), "extract video cover failed")
 }
+
+func ConvertImagePng(src string, target string) error {
+	cmd := exec.Command("ffmpeg", "-i", src, "-y", "-f", "png", target)
+	return errors.Wrap(cmd.Run(), "convert image to png failed")
+}

internal/base/flag.go

@@ -30,6 +30,7 @@ var (
 	SplitURL            bool // 是否分割URL
 	ForceFragmented     bool // 是否启用强制分片
 	SkipMimeScan        bool // 是否跳过Mime扫描
+	ConvertWebpImage    bool // 是否转换Webp图片
 	ReportSelfMessage   bool // 是否上报自身消息
 	UseSSOAddress       bool // 是否使用服务器下发的新地址进行重连
 	LogForceNew         bool // 是否在每次启动时强制创建全新的文件储存日志
@@ -79,6 +80,7 @@ func Init() {
 		ExtraReplyData = conf.Message.ExtraReplyData
 		ForceFragmented = conf.Message.ForceFragment
 		SkipMimeScan = conf.Message.SkipMimeScan
+		ConvertWebpImage = conf.Message.ConvertWebpImage
 		ReportSelfMessage = conf.Message.ReportSelfMessage
 		UseSSOAddress = conf.Account.UseSSOAddress
 		AllowTempSession = conf.Account.AllowTempSession

modules/config/config.go

@@ -55,6 +55,7 @@ type Config struct {
 		RemoveReplyAt       bool   `yaml:"remove-reply-at"`
 		ExtraReplyData      bool   `yaml:"extra-reply-data"`
 		SkipMimeScan        bool   `yaml:"skip-mime-scan"`
+		ConvertWebpImage	bool   `yaml:"convert-webp-image"`
 	} `yaml:"message"`
 
 	Output struct {

modules/config/default_config.yml

@@ -43,6 +43,8 @@ message:
   extra-reply-data: false
   # 跳过 Mime 扫描, 忽略错误数据
   skip-mime-scan: false
+  # 是否自动转换 WebP 图片
+  convert-webp-image: false
 
 output:
   # 日志等级 trace,debug,info,warn,error