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SharePoint 2010: Get Site Users with Full Control/Owners Permissions with PowerShell Script

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The following PowerShell script can be used to get users with Full Control permissions in sites.

<# The below PowerShell script enumerates through all sites with unique permissions and fetches users with Full Control Permission granted directly to the site
 
or through group membership.
 
#>
 
#Load SharePoint PowerShell Snapin
 
if ((Get-PSSnapin "Microsoft.SharePoint.PowerShell" -ErrorAction SilentlyContinue) -eq $null) {
 
    Add-PSSnapin "Microsoft.SharePoint.PowerShell"
 
}
 
#Collection of user permission objects
 
$SiteOwners =@();
 
#Define all the properties for the user permission object
 
$Properties = @{Title='';SiteID='';WebID='';WebSiteUrl='';AccessRequestEmail='';Scope='';Login='';UserID='';User='';Email='';LastItemModified='';};
 
#Site Url
 
$WebUrl ="";
 
#Web Application URL
 
$WebApplicationURL = "<WebAppUrl>";
 
#Enumerate through all Site Collections and Sites
 
Get-SPWebApplication -Identity $WebApplicationURL | Get-SPSite -limit all |%{
 
$siteID=$_.ID;
 
#Enumerate through all sites within the site collection
 
Get-SPWeb -limit all -Site $_|%{
 
$web = $_;
 
#Check if the site has unique permissions
 
if(($web.HasUniqueRoleAssignments -eq "True" -or $web.IsRootWeb -eq "True")){
 
$WebUrl = $web.Url;
 
#Full Control Role Definition
 
$FullControl = $web.RoleDefinitions["Full Control"];
 
#Collection of Groups with Full Control permissions
 
$OwnerGroups=@();
 
#Get all Owner groups with Full Control permission
 
$web.Groups|?{$_.Name -match "Owners"}|%{
 
$IsGroupFullControl = $_.Roles|?{$_.Name -eq $FullControl.Name;}
 
$OwnerGroups += $_;
 
}
 
try{
 
<#
 
SPWeb.Users:
 
This represents the collection of users or user objects who have been explicitly assigned permissions in  the Web site . This does not return users who have access through a group.
 
SPWeb.AllUsers:
 
This gives us the collection of user objects who are either members of the site collection or who have atleast navigated to the site as  authenticated members of a domain group in the site.
 
#>
 
#Enumerate through all Users in the Web
 
$web.AllUsers|?{$_.LoginName -ne "SHAREPOINT\System"  -and $_.Email.Length -gt 0}|%{
 
#Check User Effective Permissions
 
if($web.DoesUserHavePermissions($_.LoginName,[Microsoft.SharePoint.SPBasePermissions]::FullMask)){
 
$user=$_;
 
#Full Control Permission could have been granted directly or through group membership. Scope will represent these details.
 
$Scopes=@();
 
try{
 
$UserRoleAssignments = $web.RoleAssignments.GetAssignmentByPrincipal($user);
 
}
 
catch{}
 
#Check if user has Full Control Permissions
 
if($UserRoleAssignments.RoleDefinitionBindings.Contains($FullControl)){
 
  
 
$Scopes += "Site";
 
  
 
#Check for group membership of user in Owners group i.e. groups with Full Control permission
 
$user.Groups|%{
 
$Group=$_;
 
$IsOwnerGroup = $OwnerGroups|?{$_.Name -eq $Group.Name};
 
if($IsOwnerGroup){
 
$Scopes += $Group.Name;
 
}
 
}
 
  
 
#Create an object for the user permission record
 
$Owner = New-Object PSObject -Property $Properties;
 
$Owner.Title = $web.Title;
 
$Owner.WebID = $web.ID;
 
$Owner.SiteID = $siteID;
 
$Owner.WebSiteURL = $web.URL;
 
$Owner.AccessRequestEmail=$web.RequestAccessEmail;
 
$Owner.Scope = ($Scopes -join ",");
 
$Owner.UserID=$user.LoginName.Split("\")[1];
 
$Owner.Login=$user.LoginName;
 
$Owner.User=$user.Name;
 
$Owner.Email=$user.Email;
 
$Owner.LastItemModified=$web.LastItemModifiedDate.ToString("MM/dd/yyyy");
 
  
 
$SiteOwners +=$Owner;
 
}
 
}
 
}
 
$web.Dispose();
 
$_.Dispose();
 
}
 
catch [System.Exception]{
 
Write-Host ($WebUrl + ":" + $_.Exception.Message + ":" + $_.Exception.StackTrace);
 
}
 
}
 
}
 
#Dispose SPSite
 
$_.Dispose();
 
}
 
$SiteOwners|Export-CSV "D:\SharePoint Administration\SiteOwners.csv" -NoTypeInformation;

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