Bose-SoundTouch-API (boseapi)

This small project/repository contains general information about how to analyze the firmware images provided by BOSE and also implements commands to interact with these devices. The API and some basic usage examples are provided in the api-documentation.

Overview

Starting off with the used device and app to get the information used to write the code for this repository.

Bose SoundTouch 300 and the SoundTouch app by BOSE

While capturing traffic of the BOSE device the following URL was requested when searching for a sofware update:

  > https://downloads.bose.com/updates/soundtouch

The request is forwarded to another backend which contains a XML-Document named index.xml. This file contains information about the locations of all available firmware upgrades. Since the device used here needs the SoundTouch 30 firmware, the following link is used.

  > https://downloads.bose.com/ced/soundtouch/mr4_cdb9ab51/Update_ti_27.0.3.46298.4608935.scm.stu

After downloading, a quick review with binwalk on the file:

$ binwalk Update_ti_27.0.3.46298.4608935.scm.stu                                                 

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
312           0x138           ELF, 32-bit LSB executable, ARM, version 1 (SYSV)
[...]
13932404      0xD49774        UBI erase count header, version: 1, EC: 0x0, VID header offset: 0x800, data offset: 0x1000
[...]

The only interesting line in the binwalk output contains information about an UBI image header. So, extract that file and decompress it with ubidump:

$ ubidump -s . D49774.ubi

This command creates a folder in the current directory where all the contents of this UBI document are stored. Files that contain information usable for creating this API are located in the following directory: rootfs/opt/Bose/etc/.

There are two files that configure operations that can be requested/ executed on the webserver (port 8090). All operations contained in:

rootfs/opt/Bose/etc/HandCraftedWebServer-SoundTouch.xml 
# and
rootfs/opt/Bose/etc/WebServer-SoundTouch.xml

were implemented in this small library.

Contributing

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".

1. Fork the Project
2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
3. Commit your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

License

Distributed under the MIT License. See MIT.txt for more information.