00003.Java S3 download

return ResponseEntity.ok().headers(headers).contentLength(file.contentLength())
            .contentType(MediaType.parseMediaType("application/octet-stream"))
            .body(new InputStreamResource(file.getInputStream()));

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this.http.get(src, {
      responseType: 'blob'
    }).subscribe({
      next: (response) => successFunc(response),
      error: (error) => errorFunc(error)
    });