feat: load oss media config from sys config

server/main.go

@@ -13,6 +13,7 @@ package main
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"flag"
 	"net/http"
 	"os"
@@ -254,6 +255,52 @@ type mediaConfig struct {
 	Handlers map[string]json.RawMessage `json:"handlers"`
 }
 
+func resolveMediaHandlerConfig(config *mediaConfig) (string, string, error) {
+	if config == nil {
+		return "", "", nil
+	}
+	handler := strings.TrimSpace(config.UseHandler)
+	if handler == "sys_config" {
+		values, err := store.ThirdPartyConfig.Get("im_third_party", "media_handler")
+		if err != nil {
+			return "", "", err
+		}
+		handler = strings.TrimSpace(values["media_handler"])
+	}
+	if handler == "" {
+		return "", "", errors.New("empty media handler")
+	}
+	var conf string
+	if config.Handlers != nil {
+		if params := config.Handlers[handler]; params != nil {
+			conf = string(params)
+		}
+	}
+	if handler == "oss" {
+		ossConf, err := ensureOSSUsesSysConfig(conf)
+		if err != nil {
+			return "", "", err
+		}
+		return handler, ossConf, nil
+	}
+	return handler, conf, nil
+}
+
+func ensureOSSUsesSysConfig(conf string) (string, error) {
+	params := map[string]any{}
+	if strings.TrimSpace(conf) != "" {
+		if err := json.Unmarshal([]byte(conf), &params); err != nil {
+			return "", err
+		}
+	}
+	params["use_sys_config"] = true
+	encoded, err := json.Marshal(params)
+	if err != nil {
+		return "", err
+	}
+	return string(encoded), nil
+}
+
 // Contentx of the configuration file
 type configType struct {
 	// HTTP(S) address:port to listen on for websocket and long polling clients. Either a
@@ -640,12 +687,13 @@ func main() {
 		} else {
 			globals.maxFileUploadSize = config.Media.MaxFileUploadSize
 			if config.Media.Handlers != nil {
-				var conf string
-				if params := config.Media.Handlers[config.Media.UseHandler]; params != nil {
-					conf = string(params)
+				handler, conf, err := resolveMediaHandlerConfig(config.Media)
+				if err != nil {
+					logs.Err.Fatalf("Failed to resolve media handler config: %s", err)
 				}
-				if err = store.Store.UseMediaHandler(config.Media.UseHandler, conf); err != nil {
-					logs.Err.Fatalf("Failed to init media handler '%s': %s", config.Media.UseHandler, err)
+				config.Media.UseHandler = handler
+				if err = store.Store.UseMediaHandler(handler, conf); err != nil {
+					logs.Err.Fatalf("Failed to init media handler '%s': %s", handler, err)
 				}
 			}
 			if config.Media.GcPeriod > 0 && config.Media.GcBlockSize > 0 {