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@asadrefai
Created May 11, 2015 14:56
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Set permissions on SharePoint list using CSOM PowerShell
function Set-PermissionsOnList()
{
param(
[Parameter(Mandatory=$true)][string]$url,
[Parameter(Mandatory=$true)][System.Net.NetworkCredential]$credentials,
[Parameter(Mandatory=$true)][string]$listName,
[Parameter(Mandatory=$true)][string]$GroupName,
[Parameter(Mandatory=$true)][string]$Roletype
)
begin{
try
{
#get Client Object
$context = New-Object Microsoft.SharePoint.Client.ClientContext($url)
$context.Credentials = $credentials
$web = $context.Web
$context.Load($web)
$context.ExecuteQuery()
# get root web
$RootWeb = $context.Site.RootWeb
$context.Load($RootWeb)
$context.ExecuteQuery()
# get list
#$lists = $web.Lists
#$context.Load($lists)
#$context.ExecuteQuery()
#$list = $lists | where {$_.Title -eq $listName}
#Retrieve List
$List = $context.Web.Lists.GetByTitle($listName)
$context.Load($List)
$context.ExecuteQuery()
$list.BreakRoleInheritance($true, $false)
$roleType = [Microsoft.SharePoint.Client.RoleType]$Roletype
# get group/principal
$groups = $web.SiteGroups
$context.Load($groups)
$context.ExecuteQuery()
$group = $groups | where {$_.Title -eq $RootWeb.Title + " " + $GroupName}
# get role definition
$roleDefs = $web.RoleDefinitions
$context.Load($roleDefs)
$context.ExecuteQuery()
$roleDef = $roleDefs | where {$_.RoleTypeKind -eq $Roletype}
}
catch
{
Write-Host "Error while getting context. Error -->> " + $_.Exception.Message -ForegroundColor Red
}
}
process{
try
{
# Assign permissions
$collRdb = new-object Microsoft.SharePoint.Client.RoleDefinitionBindingCollection($context)
$collRdb.Add($roleDef)
$collRoleAssign = $list.RoleAssignments
$rollAssign = $collRoleAssign.Add($group, $collRdb)
$context.ExecuteQuery()
Write-Host "Permissions assigned successfully." -ForegroundColor Green
}
catch
{
Write-Host "Error while setting permissions. Error -->> " + $_.Exception.Message -ForegroundColor Red
}
}
end{
$context.Dispose()
}
}
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