PowerShell script
which scans these areas to to retrieve a specific user's access rights:
·
Farm Administrator's
Group
·
Central Administration
Web Application Policies
·
Site Collection
Administrators
·
Scans the all Site
collections and Sub-sites with Unique Permissions
·
Scans all Lists and
Libraries with unique permissions
·
Scans all Groups which
has permissions on sites and Lists
After executing the
script, it generates a CSV file (Tab Separated, In fact!) with details: URL,
Site/List, Title, Permission Type, Permissions as in the below
screenshot.
Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction
SilentlyContinue
Function GetUserAccessReport($WebAppURL, $SearchUser)
{
#Get All Site Collections
of the WebApp
$SiteCollections =
Get-SPSite -WebApplication $WebAppURL -Limit All
#Write CSV- TAB Separated File) Header
"URL `t Site/List `t Title `t PermissionType `t
Permissions" | out-file UserAccessReport.csv
#Check Whether the Search
Users is a Farm Administrator
$AdminWebApp=
Get-SPwebapplication -includecentraladministration | where
{$_.IsAdministrationWebApplication}
$AdminSite =
Get-SPweb($AdminWebApp.Url)
$AdminGroupName =
$AdminSite.AssociatedOwnerGroup
$FarmAdminGroup =
$AdminSite.SiteGroups[$AdminGroupName]
foreach ($user in
$FarmAdminGroup.users)
{
if($user.LoginName
-eq $SearchUser)
{
"$($AdminWebApp.URL) `t Farm `t $($AdminSite.Title)`t Farm
Administrator `t Farm Administrator" | Out-File UserAccessReport.csv
-Append
}
}
#Check Web Application
Policies
$WebApp=
Get-SPWebApplication $WebAppURL
foreach ($Policy in
$WebApp.Policies)
{
#Check if the search
users is member of the group
if($Policy.UserName -eq
$SearchUser)
{
#Write-Host
$Policy.UserName
$PolicyRoles=@()
foreach($Role in
$Policy.PolicyRoleBindings)
{
$PolicyRoles+=
$Role.Name +";"
}
#Write-Host
"Permissions: " $PolicyRoles
"$($AdminWebApp.URL) `t Web Application `t
$($AdminSite.Title)`t Web Application
Policy `t $($PolicyRoles)" | Out-File UserAccessReport.csv -Append
}
}
#Loop through all site
collections
foreach($Site in
$SiteCollections)
{
#Check Whether the Search
User is a Site Collection Administrator
foreach($SiteCollAdmin in
$Site.RootWeb.SiteAdministrators)
{
if($SiteCollAdmin.LoginName -eq $SearchUser)
{
"$($Site.RootWeb.Url) `t Site `t $($Site.RootWeb.Title)`t Site
Collection Administrator `t Site Collection Administrator" | Out-File
UserAccessReport.csv -Append
}
}
#Loop throuh all Sub
Sites
foreach($Web in
$Site.AllWebs)
{
if($Web.HasUniqueRoleAssignments -eq $True)
{
#Get all the users
granted permissions to the list
foreach($WebRoleAssignment
in $Web.RoleAssignments )
{
#Is it a
User Account?
if($WebRoleAssignment.Member.userlogin)
{
#Is the current
user is the user we search for?
if($WebRoleAssignment.Member.LoginName
-eq $SearchUser)
{
#Write-Host $SearchUser has direct permissions to site
$Web.Url
#Get the
Permissions assigned to user
$WebUserPermissions=@()
foreach
($RoleDefinition in
$WebRoleAssignment.RoleDefinitionBindings)
{
$WebUserPermissions += $RoleDefinition.Name +";"
}
#write-host
"with these permissions: " $WebUserPermissions
#Send the Data to
Log file
"$($Web.Url)
`t Site `t $($Web.Title)`t Direct Permission `t $($WebUserPermissions)" |
Out-File UserAccessReport.csv -Append
}
}
#Its a SharePoint
Group, So search inside the group and check if the user is member of that group
else
{
foreach($user in $WebRoleAssignment.member.users)
{
#Check if the
search users is member of the group
if($user.LoginName
-eq $SearchUser)
{
#Write-Host "$SearchUser is Member of "
$WebRoleAssignment.Member.Name "Group"
#Get the Group's
Permissions on site
$WebGroupPermissions=@()
foreach
($RoleDefinition in
$WebRoleAssignment.RoleDefinitionBindings)
{
$WebGroupPermissions += $RoleDefinition.Name +";"
}
#write-host
"Group has these permissions: " $WebGroupPermissions
#Send the Data to
Log file
"$($Web.Url)
`t Site `t $($Web.Title)`t Member of $($WebRoleAssignment.Member.Name) Group `t
$($WebGroupPermissions)" | Out-File UserAccessReport.csv -Append
}
}
}
}
}
#******** Check Lists with Unique Permissions ********/
foreach($List
in $Web.lists)
{
if($List.HasUniqueRoleAssignments -eq $True -and ($List.Hidden -eq
$false))
{
#Get
all the users granted permissions to the list
foreach($ListRoleAssignment in $List.RoleAssignments )
{
#Is it
a User Account?
if($ListRoleAssignment.Member.userlogin)
{
#Is the current
user is the user we search for?
if($ListRoleAssignment.Member.LoginName -eq $SearchUser)
{
#Write-Host $SearchUser has
direct permissions to List ($List.ParentWeb.Url)/($List.RootFolder.Url)
#Get the Permissions assigned to user
$ListUserPermissions=@()
foreach
($RoleDefinition in
$ListRoleAssignment.RoleDefinitionBindings)
{
$ListUserPermissions += $RoleDefinition.Name +";"
}
#write-host
"with these permissions: " $ListUserPermissions
#Send the Data
to Log file
"$($List.ParentWeb.Url)/$($List.RootFolder.Url) `t List `t
$($List.Title)`t Direct Permissions `t $($ListUserPermissions)" | Out-File
UserAccessReport.csv -Append
}
}
#Its a SharePoint
Group, So search inside the group and check if the user is member of that group
else
{
foreach($user in
$ListRoleAssignment.member.users)
{
if($user.LoginName -eq $SearchUser)
{
#Write-Host "$SearchUser is
Member of " $ListRoleAssignment.Member.Name "Group"
#Get the
Group's Permissions on site
$ListGroupPermissions=@()
foreach
($RoleDefinition in
$ListRoleAssignment.RoleDefinitionBindings)
{
$ListGroupPermissions += $RoleDefinition.Name +";"
}
#write-host
"Group has these permissions: " $ListGroupPermissions
#Send the Data
to Log file
"$($Web.Url) `t Site `t $($List.Title)`t Member of
$($ListRoleAssignment.Member.Name) Group `t $($ListGroupPermissions)" |
Out-File UserAccessReport.csv -Append
}
}
}
}
}
}
}
}
}
#Call the function to Check User Access
GetUserAccessReport "http://sharepoint.crescent.com"
"Global\Salaudeen"
Read more here
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