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A Remote Disc Server compatible with Mac OS Finder

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PyODS

ARCHIVED

As apple no longer uses ODS for disk sharing this project is now obsolete. I leave it here as a study in how to do some stuff for programmers to learn from, and tinkerers who need to share a CD drive with a laptop running an old version of Mac OS to achieve their goals.

An Online Disk Server written in python

The Python Online Disk Server allows you to serve cd/dvd/bluray optical drives and iso images to multiple Mac OS clients on a network. PyODS shares (without credentials at present) all images found in a specified root folder, and all optical drives attached to the system.

This emulates the network CD rom feature in Mac OS and allow other operating systems to provide access to disks and disk images via this protocol. The client is found in the Remote Disc section of Finder. Multiple drives and images can be shared at the same time, images can be uploaded and stored on the server via a RESTful API.

If you're looking for how to share your ubuntu cd drive to a mac, this is probably what you want.

For more information take a look at apple's support article here: https://support.apple.com/en-gb/HT203973

Server API

MacOS required API

Method      HEAD
Path        /<disk>.dmg   
User-Agent  CCURLBS::statImage

Retrieves information regarding the disk size it works the same for images or optical drives attached to the system.

Method      GET
Path        /<disk>.dmg
Range       bytes=(\d*?)-(\d*)   
User-Agent  CCURLBS::readDataFork

Retrieves a chunk of data from the disk, read as a block device.

NB: There are a number of other endpoints and file accesses which occur on the server, which the server gracefully returns what is asked for or, a 404 error. This seems to work appropriately in most situations however Apple may change their mind in the future.

Extended Image API

Method      GET
Path        /images

List the disks on the server in JSON format

Method      POST
Path        /images
Data        Multipart encoded file upload

Upload a file to the image storage, this will fail if the user does not have write access to that folder.

Method      DELETE
Path        /images/image.dmg

Delete an image file from the server.

Extended JSON RPC API (in progress)

I've extended the MacOS API so we can do some nifty things in the future, like burning discs ripping discs, uploading and sharing disc images on the local network, that sort of deal. The goal here is to make CD/DVD media supportable in the future, and more useful than ever.

Method      JSONRPC
Path        /optical/<disk>
RPC Method  open

Open the CD/DVD tray.

Method      JSONRPC
Path        /optical/<disk>
RPC Method  close

Close the CD/DVD tray (if possible, slot drives won't always react).

Method      JSONRPC
Path        /burn/<disk image>/<disk target>
RPC Method  burn

Tries to burn an image referenced by it's disk id to a target optical drive referenced by it's disk id

Method      JSONRPC
Path        /burn/<disk>
RPC Method  erase

Tries to erase a CD-RW/DVD-RW found in the drive

Method      JSONRPC
Path        /backup/<disk>/<image>
RPC Method  store

Backup an optical disc to an image file.

Method      JSONRPC
Path        /backup/<disk>/<callback url>/<target size>
RPC Method  dvdencode

Backup a DVD movie to an MP4 file

Method      JSONRPC
Path        /backup/<disk>/<callback url>
RPC Method  cdencode

Backup an audio cd to flac files

To build a debian package

dpkg-buildpackage -us -uc -b

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