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List users with specific group and role

edtmnjn

Hi, I'm working on a workflow where I'd like to have a grouptask which is shared by users who belong to a specific group and have a certain role. Is there a way to do this?

I don't want the task shared by everyone in the group, only the admins of that group.

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Comments

taiyo

Hi there john -- i need to do the same thing. Did you have success setting this up. I did see another post in the Workflow forum that attempts to descibe the process but I was unable to get it work as described.

Hoping you may be able to enlighten me.

thanks,

edtmnjn

I solved it using some Perl that reads /etc/passwd and /etc/group and merges the info in those files into a hash with the following structure:

%groups = (
# gid
123 => {
# username
edtabcd => defined,
edtefgh => defined,
...
},
456 => {
edtijkl => defined,
edtmnop => defined,
...
},
...
);

Before building the select-list I check the group-ownership of the branch.

Then I read the roles-file for the wanted role(s), and for each user in that file I check in the hash if he's a member of that group. If yes the user is added to the select-list.

taiyo

thanks for your quick reply. i'm still having trouble implementing this mainly because i don't really understand your post....any ideas on how to get this into my head....aw well back to the books.

thanks again.

Adam Stoller

To get a list of users that belong to a certain group - you need to know where the source of the groups members come from - and then, as suggested, read that into a hash. On Unix it might look something like this:

my $groupid = "some_group_name";
my %group_members;
open(IN, "</etc/group") || die " '/etc/group' ($!)";
while(<IN>){
    chomp;
    next if !/^$groupid:/;
    my @line = split(/:/, $_); # should be 4 fields
    foreach(split(/,/, $line[3]){
        $group_members{$_}++;
    }
    last; # once we've processed a matcing entry jump out of the loop
}
close(IN);

Then you want to read in the roles file and filter out just those people who are in the group you selected.

my $role = "$iwhome/conf/roles/editor.uid";
my @role_members;
open(IN, "<$role") || die " '$role' ($!)";
while(<IN>){
    chomp;
    next if /^\s*$/; # ignore blank lines
    push(@role_members($_) if ($group_members{$_} > 0);
}
close(IN);

The above code could probably be written better, but (assuming I didn't make any mistakes while typing this) at the end of it, @role_memebers should be a list of all userids that are (A) in that particular role and (B) members of the specified group.

You could then setup a sharedby element like:
my $sharedby = "<sharedby>\n";
foreach(@role_members){
$sharedby .= qq(<user v='$_"/>\n);
}
$sharedby .= "</sharedby>\n";

Hope that helps.

--fish
(Interwoven Senior Technical Consultant)