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@@ -494,7 +494,7 @@ func handleReply(ctx *koushin.Context) error { |
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return fmt.Errorf("failed to parse part Content-Type: %v", err) |
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} |
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if !strings.HasPrefix(strings.ToLower(mimeType), "text/") { |
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if !strings.EqualFold(mimeType, "text/plain") { |
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err := fmt.Errorf("cannot reply to %q part", mimeType) |
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return echo.NewHTTPError(http.StatusBadRequest, err) |
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} |
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