Powershell CSOM Sharepoint online list permission

Question

I've been writing a script to connect to SharePoint online, create a document library and add some AD accounts to the permission. I've written all the code using snippets I have found through many searches but am having an issue with the permissions part.
All of the code is taken from this page:
http://jeffreypaarhuis.com/2012/06/07/scripting-sharepoint-online-with-powershell-using-client-object-model/
The only change is i'm using the get principal fun instead of the get group, but not sure if that's what has done it. I'm very new to powershell.
I keep getting an error when adding the user and permission type to roledefinitionbinding. The error is:
Collection has not been initialized at line 0 char 0.
The issue is when it runs $collRoleAssign.Add($principal, $collRdb) part and stop with the error above.
I would really appreciate a hand with this before my PC get launched out of the window.
Thanks Mark

Answer 1

Hi,
The following code snippet for your reference:
var login = "[email protected]";
var password = "xxxxxx";
var siteURL=”https://SharePointOnlineSiteUrl”;
ClientContext ctx = new ClientContext(siteURL);
var securePassword = new SecureString();
foreach (char c in password)
securePassword.AppendChar(c);
SharePointOnlineCredentials credentials = new SharePointOnlineCredentials(login, securePassword);
ctx.Credentials = credentials;
Web wsite = ctx.Web;
ctx.Load(wsite, w => w.HasUniqueRoleAssignments, w => w.RoleAssignments.Include(roleAssigned => roleAssigned.Member.Title,
roleAssigned => roleAssigned.RoleDefinitionBindings.Include(roleDef => roleDef.Name)));
ctx.ExecuteQuery();
RoleAssignmentCollection rac = wsite.RoleAssignments;
if (rac != null && rac.Count !=0)
Console.WriteLine("Unique Permissions: " + wsite.HasUniqueRoleAssignments);
foreach (RoleAssignment ra in rac)
Console.WriteLine("Group Name: " + ra.Member.Title);
foreach (RoleDefinition rd in ra.RoleDefinitionBindings)
Console.WriteLine("Permission: " + rd.Name);
Console.ReadKey();
More information:
http://social.technet.microsoft.com/wiki/contents/articles/24087.associate-permission-levels-with-sharepoint-user-groups-using-the-client-side-object-model-in-netc.aspx
Thanks,
Dennis Guo
TechNet Community Support
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Dennis Guo
TechNet Community Support