<#
.SYNOPSIS
Backups up Lansweeper data as per their guidance notes

.DESCRIPTION
This PowerShell script will backup the Lansweeper data and database according to their suggested guidelines.

.PARAMETER SQL
Is the database SQL Express or full SQL? (e.g. NOT Compact SQL)

.PARAMETER Destination
Where to copy the backup to

.PARAMETER BackupsToKeep
How many previous days worth of backups to keep in the destination folder

.EXAMPLE
.\Backup-Lansweeper.ps1 -SQL -Destination C:\backups -BackupsToKeep 14
Backups up Lansweeper to the C:\Backups folder, and removes backups older than 14 days.

.NOTES
Version 1.0
Written by: Tom Yates
#>

[CmdletBinding(DefaultParameterSetName='Main')]
Param(
[Parameter(ParameterSetName='Main', Mandatory=$true)]
[Switch]$SQL,

[Parameter(ParameterSetName='Main', Mandatory=$true)]
[String]$Destination,

[Parameter(ParameterSetName='Main', Mandatory=$false)]
[int]$BackupsToKeep
)


$WebsiteFolders = @(
'website\actions',
'website\assetpictures',
'website\docs',
'website\images',
'website\userpictures',
'website\widgetscustom',
'website\app_data',
'website\customdata',
'website\lang',
'website\widgetscustom'
)

$rootFolders =@(
'actions',
'key',
'packageshare',
'iisexpress',
'sqldata'
)

$helpdeskfolders =@(
'website\helpdesk\files',
'website\helpdesk\icons'
)

$knowledgebaseFolders= @(
'website\knowledgebase\kbfiles'
)
$ServiceFolders =@(
'service\export'
)

### System Variables ###
$LSRoot = "C:\Program Files (x86)\Lansweeper" # Lansweeper Installation Folder
$LSDBServer = "localhost" # Lansweeper Database Server (If not using SQL Compact)
$LSDBName = "lansweeperdb" # Lansweeper Database Name (If not using SQL Compact)

#Which services need to start/stop as part of this backup process?
$DependantServices = "W3SVC","IISExpressSVC","LansweeperService"

$DatetoDelete = (Get-Date).AddDays(-$BackupsToKeep)
$Date = Get-Date -Format 'ddMMyy-HHmmss'

$FilePrefix = "Lansweeper_Backup_"
$Name = "$FilePrefix$Date"

#Set up a working folder for creating the ZIP file
$WorkingFolder = Join-Path -path $env:temp -childpath $([System.IO.Path]::GetRandomFileName())
New-item -Path $WorkingFolder -ItemType Directory

$TempPath = Join-Path -Path $WorkingFolder -ChildPath $Name
$ZipBackup = Join-Path $WorkingFolder "$Name.zip"

#SQL Query to backup the database (if not using SQL Compact)
$LSDBBackup = "$TempPath\$LSDBName$Date.bak" # Name of Database Backup
$SQLQuery = "BACKUP DATABASE $LSDBName TO DISK = N'$LSDBBackup' WITH NOFORMAT, INIT, NAME = N'Full Database Backup', SKIP, NOREWIND, NOUNLOAD, STATS = 10"

function Copy-Folders([string]$Dest, [psobject]$SourceFolders){
foreach($folder in $SourceFolders){
Copy-Item "$LSRoot\$Folder\" $Dest -Recurse -Force
}
}
function Switch-Services([string]$action, $services){
Foreach ($service in $services){
Switch ($action){
"stop"{
If (Get-Service $service -ErrorAction SilentlyContinue) {
If ((Get-Service $service).Status -eq 'Running') {Stop-Service $service}
}
else{Write-Verbose "$Service :Not Found" }
}
"start" {
If (Get-Service $service -ErrorAction SilentlyContinue) {
If ((Get-Service $service).Status -eq 'Stopped') {
If((Get-Service $service).StartType -eq 'Disabled'){
Write-Verbose "$Service :Set to Disabled"
}
Else{
Write-Verbose "Starting Service $service"
Start-Service $service
}
}
}
}
}
}
}
#Stop Services
Switch-Services "stop" $DependantServices

#Website
$WebsiteFolderBackup = New-Item -Path $TempPath -ItemType Directory -Name "website"
Copy-Folders $WebsiteFolderBackup $WebsiteFolders

#helpdesk
$HelpdeskFolderBackup = New-Item -Path $WebsiteFolderBackup -ItemType Directory -Name "helpdesk"
Copy-Folders $HelpdeskFolderBackup $helpdeskfolders

#knowledgebase
$KBFolderBackup = New-Item -Path $WebsiteFolderBackup -ItemType Directory -Name "knowledgebase"
Copy-Folders $KBFolderBackup $knowledgebaseFolders

#service
$ServiceFolderBackup = New-Item -Path $TempPath -ItemType Directory -Name "service"
Copy-Folders $ServiceFolderBackup $ServiceFolders

#Root
Copy-Folders $TempPath $rootFolders

#Backup Database if SQL parameter is set.
If ($SQL){SQLCMD.EXE -S $LSDBServer -E -Q $SQLQuery}

#Start Services
Switch-Services "start" $DependantServices

#Zip it up
$Finish = Get-ChildItem $TempPath
Compress-Archive -Path $Finish.FullName -DestinationPath $ZipBackup

#Calculate Hash
$OriginalHash = Get-FileHash -Path $ZipBackup -Algorithm MD5

#Copy file to destination
try{
$FileBackup = Copy-Item -Path $ZipBackup -Destination $Destination -PassThru -ErrorAction Stop
}catch{
Write-Warning "Could not copy $FileBackup to $destination."
Exit
}

#Calculate Hash afer copying
$CopiedHash = Get-FileHash -Path $FileBackup.FullName -Algorithm MD5

#Compare hashes
If ($OriginalHash.hash -ne $CopiedHash.hash){
Write-Warning "Hash Mismatch when copying. Not cleaning up."
Write-Warning "Please check folder $WorkingFolder"
}else{
Write-Verbose "Removing $WorkingFolder as the file hash matched"
remove-Item $WorkingFolder -Force -Recurse

If($BackupsToKeep){
Write-Verbose "Removing files older than $Backupstokeep days"
Get-ChildItem $Destination -Filter "$FilePrefix*.zip" | Where-Object {$_.LastWriteTime -lt $DatetoDelete} | Remove-Item
}
}