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remoteStorage-fuse - Mount your remoteStorage as filesystem in userspace

This is an implementation of the remoteStorage protocol that can be used to access data stored on a remoteStorage compatible storage server via the regular filesystem.

This is still work in progress, the following things are expected to work:

  • Mount a remoteStorage, given a base_url and a bearer token granting root-access
  • List directories
  • Read files
  • Write files (WARNING: destroys MIME types. All MIME types for files edited via the fuse plugin will be set to application/octet-stream; charset=binary)
  • Delete files

The following things do not work yet, but are planned:

  • MIME types
  • In-memory caching of files and / or the directory tree
  • Webfinger discovery (so you don't have to know your base_url)
  • Authorization flow (so you don't have to copy tokens from somewhere)

The directory handling is a lot different from regular filesystems:

  • mkdir() will always succeed, but not actually create empty directories
  • write()ing to a file will implicitly create the file and any parent directories.
  • rmdir() will also always succeed.

Usage

  1. Install dependencies:

You need libcurl and libfuse to build remoteStorage-fuse. On Debian based systems, this should do the trick:

$ sudo apt-get install build-essential libfuse-dev libcurl4-openssl-dev

On Fedora >= 22:

$ sudo dnf -y install fuse-devel libcurl-devel pkgconfig gcc

On CentOS:

$ sudo yum -y install fuse-devel libcurl-devel pkgconfig gcc
  1. Build

Simply run

make

and you should be good to go. There are a few warnings, which you can ignore for now (I promise to get rid of them before any stable release). If you see any errors, please report them as a github issue.

  1. Find out your base URL

To actually mount your storage, you need to know two things: your storage's base URL and a bearer token that grants root-access to your storage. You can find out the base URL by doing a manual webfinger discovery:

$ curl https://<your-provider>/.well-known/webfinger?resource=acct:<you>@<your-provider>

and taking the href of the remotestorage link from the result. For example if you have a 5apps account and your name is fkooman, you would do:

$ curl https://5apps.com/.well-known/webfinger?resource=acct:fkooman@5apps.com

and get the result:

{
    "links": [
        {
            "href": "https://storage.5apps.com/fkooman",
            "properties": {
                "http://remotestorage.io/spec/version": "draft-dejong-remotestorage-02",
                "http://tools.ietf.org/html/rfc2616#section-14.16": false,
                "http://tools.ietf.org/html/rfc6749#section-4.2": "https://5apps.com/rs/oauth/fkooman",
                "http://tools.ietf.org/html/rfc6750#section-2.3": false
            },
            "rel": "remotestorage"
        }
    ]
}

In this case the base URL would be https://storage.5apps.com/fkooman.

  1. Get a bearer token

Getting a bearer token is easy as well. Just visit the remoteStorage browser at:

https://remotestorage-browser.5apps.com/

connect your storage there, then open the JavaScript console and type:

remoteStorage.remote.token

That will display your token in the console.

  1. Mount the storage

Now that you know your base URL and bearer token, you can mount your storage: (just replace BASE_URL and TOKEN with the values you figured out above)

$ sudo ./rs-mount -o base_url=BASE_URL,token=TOKEN /path/to/mount/point

For example:

$ sudo ./rs-mount -o base_url=https://storage.5apps.com/fkooman,token=8bb19ded9e0ed986c6a92494f7c8cf0d /mnt

Now you should be able to see and browse your files:

[fkooman@noname rs-fuse]$ sudo ls /mnt
@context  foo  items  rss  sockethub
[fkooman@noname rs-fuse]$ 

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Mount your remotestorage as Filesystem in User SpacE

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