fix: add header

backend/domain/plugin/service/tool/invocation_saas.go

@@ -51,6 +51,8 @@ func (s *saasCallImpl) Do(ctx context.Context, args *InvocationArgs) (request st
 		return "", "", err
 	}
 
+	s.injectUserAgentHeader(ctx, httpReq)
+
 	var reqBodyBytes []byte
 	if httpReq.GetBody != nil {
 		reqBody, err := httpReq.GetBody()
@@ -118,6 +120,9 @@ func (s *saasCallImpl) injectAuthInfo(ctx context.Context, httpReq *http.Request
 	httpReq.Header.Set("Authorization", "Bearer "+saasapiClient.APIKey)
 	return nil
 }
+func (s *saasCallImpl) injectUserAgentHeader(ctx context.Context, httpReq *http.Request) {
+	httpReq.Header.Set("User-Agent", "open_coze/1.0.0")
+}
 
 func (s *saasCallImpl) buildHTTPRequest(ctx context.Context, args *InvocationArgs) (httpReq *http.Request, err error) {
 	tool := args.Tool

backend/pkg/urltobase64url/parser.go

@@ -23,6 +23,7 @@ import (
 	"mime"
 	"net/http"
 	"path/filepath"
+	"strings"
 )
 
 type FileData struct {
@@ -49,12 +50,36 @@ func URLToBase64(url string) (*FileData, error) {
 
 	var mimeType string
 
-	mimeType = resp.Header.Get("Content-Type")
+	contentType := resp.Header.Get("Content-Type")
+	if contentType != "" {
+		mediaType, _, err := mime.ParseMediaType(contentType)
+		if err == nil && mediaType != "" {
+			mimeType = mediaType
+		}
+	}
 
 	if mimeType == "" {
-		ext := filepath.Ext(url)
+		detectedType := http.DetectContentType(fileContent)
+		if detectedType != "application/octet-stream" {
+			mimeType = detectedType
+		}
+	}
+
+	if mimeType == "" || mimeType == "application/octet-stream" {
+		urlPath := url
+		if idx := strings.Index(urlPath, "?"); idx != -1 {
+			urlPath = urlPath[:idx]
+		}
+		if idx := strings.Index(urlPath, "#"); idx != -1 {
+			urlPath = urlPath[:idx]
+		}
+
+		ext := filepath.Ext(urlPath)
 		if ext != "" {
-			mimeType = mime.TypeByExtension(ext)
+			extMimeType := mime.TypeByExtension(ext)
+			if extMimeType != "" {
+				mimeType = extMimeType
+			}
 		}
 	}