[miniGUIDE] How to share folders with OwnCloud read-only users

How to share folders with OwnCloud read-only users

Requirements
Onwcloud Plugin activated in Plugins section

Description
This guide is gonna show you how to share your folders that are stored in your NAS storage with OwnCloud users.

Installation
First thing to know is that OwnCloud users are imported from your OMV configuration.

That means that they use your web user (www-data) to access all folders, and by the way, with admin privileges, so be very CAREFUL because if something is deleted in OwnCloud, it is really deleted in your storage !!!
So here is what you have to do :

• Create on your OMV administration panel a usertest within the users group :
  
• Create a ReadOnly group where you can add your usertest :
  
• Go to your Shared Folders, choose the folder you want to share and
  click on Privileges, there you can tick the Read-Only box for your
  ReadOnly group :
  
• Go to your OwncLoud plugin administration and in the Shares tab you can add the folder you want to share :
  
• Go to your OwnCloud page and add the External Storage Support :
  
• Then go to the Users page :
  
• Here you can see all the users imported from your OMV configuration
  (you can see that the user usertest goes with the ReadOnly group) :
  
• After that verification go to the Admin page :
  
• Here you can see all the folders that you added previously in the Shares Tab from the OwnCloud plugin (here's mine) :
  
• You can add more by clicking on Add Storage and choose Local :
  
• There you have to fill in the field with the path of your folder on
  your storage, here is how you can find it (by connecting to your OMV
  with SSH) :
  

  
  

  Code

  cd /media
  ls -al
  drwxr-xr-x  6 root root  4096 janv. 27 19:50 .
  drwxr-xr-x 24 root root  4096 févr.  3 19:20 ..
  drwxr-xr-x 14 root root  4096 janv. 27 20:56 517da1a9-99a8-48b7-94ec-e937566a740d
  drwxrwxrwx  1 root root 24576 janv. 30 21:26 9274996F749956B7
  drwxr-xr-x  2 root root  4096 janv. 27 19:32 cdrom
  lrwxrwxrwx  1 root root     4 janv. 27 19:32 usb -> usb0
  drwxr-xr-x  2 root root  4096 janv. 27 19:32 usb0
  
  
  ls -al 517da1a9-99a8-48b7-94ec-e937566a740d
  drwxr-xr-x  14 root     root     4096 janv. 27 20:56 .
  drwxr-xr-x   6 root     root     4096 janv. 27 19:50 ..
  drwxrws---+ 46 root     users    8192 janv. 18 23:03 AnimeMangas
  drwxrws---+  7 root     users    4096 nov.  13  2013 Backup
  drwxrws---+ 11 root     users    4096 nov.  13  2013 DessinsAnimés
  drwxrws---+  8 root     users    4096 nov.  26 19:17 Documents
  drwxrws---+ 29 root     users    8192 janv. 19 21:18 Films
  drwxrws---+ 23 root     users    4096 nov.  26 19:19 Jeux
  drwxrws---+ 13 root     users    4096 févr.  2 20:58 Musique
  drwxrws---+ 13 www-data www-data 4096 févr.  8 15:36 OwnCloud
  drwxrws---+ 46 root     users    4096 nov.  26 21:57 Photos
  drwxr-xrwx   3 plex     nogroup    20 janv. 27 20:56 plexmediaserver
  drwxrws---+ 25 root     users    4096 mars  23  2014 Séries
  drwxrws---+  4 root     users      62 mars  11  2013 Vrac

  Alles anzeigen

  
  

  For example you can add the path /media/517da1a9-99a8-48b7-94ec-e937566a740d/Films to add your Films folder.

  
  

• Then you have to make it applicable only to the admin group :
  
• You can also uncheck the following box (as you wish) :
  
• After that go to your Files, you can see that the admin group have the privilege to delete files :
  
• Log out from your admin account and log in with your usertest account :
  
• You can see that there is nothing here :
  
• Return to your admin account, we now have to share the folder with the ReadOnly group :
  
• Uncheck all the edition boxes :
  
• Now log in to your usertest account, you can see that there is not nothing anymore but there is still the Delete Option :
  
• Try to delete the folder :
  
  You can't !!!
  

  
  

  So you now have shared folders where your friends can't mess up with your files.

  
  

  Cheers mates.

Questions / Problems / Discussions
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Version 1.0 // 18/02/2015