Get All Subsites in SPO

Get All Subsites in SPO/GetSharePointSubsites.ps1

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+<#
+=============================================================================================
+Name:           Get All Subsites in SharePoint Online Using PowerShell 
+Version:        1.0
+website:        o365reports.com
+
+~~~~~~~~~~~~~~~~~~
+Script Highlights:
+~~~~~~~~~~~~~~~~~~
+1. Exports subsites of all sites in the SharePoint tenant. 
+2. Exports subsites for a list of sites alone. 
+3. Retrieves subsites for a specific site based on user input. 
+4. Shows the current recycle bin status (Enabled/Disabled) for sites. 
+5. Automatically installs the PnP PowerShell module (if not installed already) upon your confirmation. 
+6. The script can be executed with an MFA enabled account too. 
+7. Exports report results as a CSV file. 
+8. The script is scheduler friendly. 
+9. The script uses modern authentication to connect SharePoint Online. 
+10. It can be executed with certificate-based authentication (CBA) too. 
+
+For detailed Script execution: https://o365reports.com/2024/06/04/get-all-subsites-in-sharepoint-online-using-powershell/
+============================================================================================
+#>
+Param
+( 
+   [Parameter(Mandatory = $false)]
+   [String] $UserName, 
+   [String] $Password,
+   [String] $ClientId,
+   [String] $CertificateThumbprint,
+   [String] $TenantName, #(Example : If your tenant name is 'contoso.com', then enter 'contoso' as a tenant name )
+   [String] $SiteAddress,  #(Enter the specific site URL that you want to retrieve the data from.)
+   [String] $SitesCsv 
+)
+$PnPOnline = (Get-Module PnP.PowerShell -ListAvailable).Name
+if($PnPOnline -eq $null)
+{ 
+  Write-Host "Important: SharePoint PnP PowerShell module is unavailable. It is mandatory to have this module installed in the system to run the script successfully." 
+  $Confirm= Read-Host Are you sure you want to install module? [Y] Yes [N] No  
+  if($Confirm -match "[yY]")
+  { 
+    Write-Host "Installing SharePoint PnP PowerShell module..." -ForegroundColor Magenta
+    Install-Module PnP.Powershell -Repository PsGallery -Force -AllowClobber -Scope CurrentUser
+    Import-Module PnP.Powershell -Force
+    #Register a new Azure AD Application and Grant Access to the tenant
+    Register-PnPManagementShellAccess
+  } 
+  else
+  { 
+    Write-Host "Exiting. `nNote: SharePoint PnP PowerShell module must be available in your system to run the script" 
+    Exit 
+  }  
+}
+
+#Connecting to share point....
+write-Host "Connecting SharePoint PnPPowerShellOnline module..."
+function Connect_Sharepoint
+{
+    Param
+    (
+        [Parameter(Mandatory = $true)]
+        [String]$Url
+    )
+    try
+    {
+        if(($UserName -ne "") -and ($Password -ne "") -and ($TenantName -ne ""))
+        {
+            $SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
+            $Credential  = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
+            Connect-PnPOnline -Url $Url -Credential $Credential
+        }
+        elseif($TenantName -ne "" -and $ClientId -ne "" -and $CertificateThumbprint -ne "")
+        {
+            Connect-PnPOnline -Url $Url -ClientId $ClientId -Thumbprint $CertificateThumbprint  -Tenant "$TenantName.onmicrosoft.com" 
+        }
+        else
+        {
+            Connect-PnPOnline -Url $Url -Interactive   
+        }
+    }
+    catch
+    {
+        Write-Host "Error occured $($Url) : $_.Exception.Message"   -Foreground Red;
+    }
+}
+if($TenantName -eq "")
+{
+    $TenantName = Read-Host "Enter your Tenant Name to connect SharePoint Online (Example : If your tenant name is 'contoso.com', then enter 'contoso' as a tenant name )  "
+}
+$AdminUrl = "https://$TenantName.sharepoint.com/"
+Connect_Sharepoint -Url $AdminUrl
+$OutputCSV = ".\Subsites Report " + ((Get-Date -format "MMM-dd hh-mm-ss tt").ToString()) + ".csv"
+
+$global:Count = 0
+function Get_Subsites
+{
+    param
+    (
+        [String] $SiteUrl
+    ) 
+    try
+    {
+        $Web = Get-PnPWeb | Select Title
+        # Getting the subsites of site
+        Get-PnPSubWeb -Recurse -Includes Created,LastItemUserModifiedDate,Description,RecycleBinEnabled | ForEach-Object{
+            $global:Count++
+            $ExportResult = [PSCustomObject][ordered]@{
+                "Site Collection Name" = $web.Title
+                "Site Collection Url" = $SiteUrl
+                "Site Name"  = $_.Title            
+                "Site URL" = $_.Url
+                "Site description" = if ($_.Description) { $_.Description } else { "-" }
+                "Creation Date" = $_.Created
+                "Last Modified Date" = $_.LastItemUserModifiedDate
+                "Recycle Bin Enabled" = if ($_.RecycleBinEnabled) { $_.RecycleBinEnabled } else { "-" }
+            }
+            #Exporting data in to Csv file
+            $ExportResult | Export-Csv -Path $OutputCSV -Append -NoTypeInformation
+        }
+    }
+    catch 
+    {
+        Write-Host "Error occured $($SiteUrl) : $_"   -Foreground Red;
+    }
+} 
+
+
+#Retriving data from all sites present in the tenant
+if($SiteAddress -ne "")
+{
+    Connect_SharePoint -Url $SiteAddress
+    Get_Subsites -SiteUrl $SiteAddress
+}
+elseif($SitesCsv -ne "")
+{
+    try
+    {
+        Import-Csv -path $SitesCsv | ForEach-Object{
+            Write-Progress -activity "Processing $($_.SitesUrl)" 
+            Connect_Sharepoint -Url $_.SitesUrl 
+            Get_Subsites -SiteUrl $_.SitesUrl
+        }
+    }
+    catch
+    {
+        Write-Host "Error occured : $_"   -Foreground Red;
+    }
+}
+#Retriving the data for site presesent in the tenant
+else
+{
+    Get-PnPTenantSite | Select Url,Title | ForEach-Object{
+        Write-Progress -activity "Processing $($_.Url)" 
+        Connect_SharePoint -Url $_.Url
+        Get_Subsites -SiteUrl $_.Url 
+    }
+}
+#Open output file after execution
+if($Count -gt 0)
+{
+    if((Test-Path -Path $OutputCSV) -eq "True") 
+    { 
+        $Prompt = New-Object -ComObject wscript.shell    
+        $UserInput = $Prompt.popup("Do you want to open output file?",` 0,"Open Output File", 4)    
+        if ($UserInput -eq 6)    
+        {    
+            Invoke-Item $OutputCSV    
+        }  
+    }
+}
+else
+{
+    Write-Host "No records found"
+}
+#Disconnect the sharePoint PnPOnline module
+Disconnect-PnPOnline