[Owncloud] [OwnCloud] ownCloud file permission structure

[Sampath Basnagoda]

Can Somebody please help me with this?
Thanks.


On Tue, Jun 4, 2013 at 1:22 AM, Sampath Basnagoda <
sampathbasnagoda at gmail.com> wrote:

> Hi all,
> I'm developing a new app for ownCloud and I *need to understand existing
> ownCloud File permission structure* for that.
> I found that there are following CRUDS file permission constants defined
> in the code.
>
> *const PERMISSION_CREATE = 4;*
> *const PERMISSION_READ = 1;*
> *const PERMISSION_UPDATE = 2;*
> *const PERMISSION_DELETE = 8;*
> *const PERMISSION_SHARE = 16;*
> *
> *
> *const FORMAT_NONE = -1;*
> *const FORMAT_STATUSES = -2;*
> *const FORMAT_SOURCES = -3;*
>
> Suppose, I share a file with someone with following different privileges
> combinations. Then an entry will be added to '*oc_share*' table per each
> share. There is a column called '*permissions*' in '*oc_share*' table and
> I can't understand whether how does it get following values for permission
> column. I mean I can't understand the relationship.
>
> *When I share a file with only share permission (only 'share' check box
> is checked), then value of the permission column is *17*.
> *When I share a file with only Delete permission (only 'Delete' check box
> is checked), then value of the permission column is *9*.
> *When I share a file with only Update permission (only 'Update' check box
> is checked), then value of the permission column is *3*.
> *When I share a file with both share permission and Delete permission,
> then value of the permission column is *25*.
> *When I share a file with both share permission and Update permission,
> then value of the permission column is *19*.
> *When I share a file with both Delete permission and Update permission,
> then value of the permission column is *11*.
> *When I share a file with All permissions (Update, Delete, Share), then
> value of the permission column is *27*.
> *When I share a file with All permissions (Update, Delete, Share), then
> value of the permission column is *27*.
> *When I share a file with none of the permissions, then value of the
> permission column is *1*.
>
> Can somebody please explain me how these values are calculated.
>
> Thanks in advanced. Please let me know, if this not clear enough.
> --
>
>
> *Sampath Basnagoda,*
> *Undergraduate,*
> *Department of Computer Science and Engineering,*
> *University of Moratuwa,*
> *Sri Lanka. *
> *
> *
> *contacts - (+94)716779281**
> *
> *Web Site - sampathbasnagoda.blogspot.com*
>



-- 


*Sampath Basnagoda,*
*Undergraduate,*
*Department of Computer Science and Engineering,*
*University of Moratuwa,*
*Sri Lanka. *
*
*
*contacts - (+94)716779281**
*
*Web Site - sampathbasnagoda.blogspot.com*
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