Public/InstallUninstall/Update-CWAA.ps1
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function Update-CWAA { [CmdletBinding(SupportsShouldProcess = $True)] [Alias('Update-LTService')] Param( [parameter(Position = 0)] [AllowNull()] [string]$Version ) Begin { Write-Debug "Starting $($myInvocation.InvocationName) at line $(LINENUM)" Clear-Variable Svr, GoodServer, Settings -EA 0 -WhatIf:$False -Confirm:$False #Clearing Variables for use $Settings = Get-CWAAInfo -EA 0 -Verbose:$False -WhatIf:$False -Confirm:$False $updaterPath = [System.Environment]::ExpandEnvironmentVariables('%windir%\temp\_LTUpdate') $xarg = @("/o""$updaterPath""", '/y') $uarg = @("""$updaterPath\Update.ini""") } Process { if (-not ($Server)) { if ($Settings) { $Server = $Settings | Select-Object -Expand 'Server' -EA 0 } } $Server = ForEach ($Svr in $Server) { if ($Svr -notmatch 'https?://.+') { "https://$($Svr)" }; $Svr } Foreach ($Svr in $Server) { if (-not ($GoodServer)) { if ($Svr -match '^(https?://)?(([12]?[0-9]{1,2}\.){3}[12]?[0-9]{1,2}|[a-z0-9][a-z0-9_-]*(\.[a-z0-9][a-z0-9_-]*)*)$') { if ($Svr -notmatch 'https?://.+') { $Svr = "http://$($Svr)" } Try { $SvrVerCheck = "$($Svr)/Labtech/Agent.aspx" Write-Debug "Line $(LINENUM): Testing Server Response and Version: $SvrVerCheck" $SvrVer = $Script:LTServiceNetWebClient.DownloadString($SvrVerCheck) Write-Debug "Line $(LINENUM): Raw Response: $SvrVer" $SVer = $SvrVer | Select-String -Pattern '(?<=[|]{6})[0-9]{1,3}\.[0-9]{1,3}' | ForEach-Object { $_.matches } | Select-Object -Expand value -EA 0 if ($Null -eq ($SVer)) { Write-Verbose "Unable to test version response from $($Svr)." Continue } if ($Version -match '[1-9][0-9]{2}\.[0-9]{1,3}') { $updater = "$($Svr)/Labtech/Updates/LabtechUpdate_$($Version).zip" } Elseif ([System.Version]$SVer -ge [System.Version]'105.001') { $Version = $SVer Write-Verbose "Using detected version ($Version) from server: $($Svr)." $updater = "$($Svr)/Labtech/Updates/LabtechUpdate_$($Version).zip" } #Kill all running processes from $updaterPath if (Test-Path $updaterPath) { $Executables = (Get-ChildItem $updaterPath -Filter *.exe -Recurse -ErrorAction SilentlyContinue | Select-Object -Expand FullName) if ($Executables) { Write-Verbose "Terminating LabTech Processes from $($updaterPath) if found running: $(($Executables) -replace [Regex]::Escape($updaterPath),'' -replace '^\\','')" Get-Process | Where-Object { $Executables -contains $_.Path } | ForEach-Object { Write-Debug "Line $(LINENUM): Terminating Process $($_.ProcessName)" $($_) | Stop-Process -Force -ErrorAction SilentlyContinue } } } #Remove $updaterPath - Depth First Removal, First by purging files, then Removing Folders, to get as much removed as possible if complete removal fails @("$updaterPath") | ForEach-Object { if ((Test-Path "$($_)" -EA 0)) { if ( $PSCmdlet.ShouldProcess("$($_)", 'Remove Folder') ) { Write-Debug "Line $(LINENUM): Removing Folder: $($_)" Try { Get-ChildItem -Path $_ -Recurse -Force -ErrorAction SilentlyContinue | Where-Object { ($_.psiscontainer) } | ForEach-Object { Get-ChildItem -Path "$($_.FullName)" -EA 0 | Where-Object { -not ($_.psiscontainer) } | Remove-Item -Force -ErrorAction SilentlyContinue -Confirm:$False -WhatIf:$False } Get-ChildItem -Path $_ -Recurse -Force -ErrorAction SilentlyContinue | Where-Object { ($_.psiscontainer) } | Sort-Object { $_.fullname.length } -Descending | Remove-Item -Force -ErrorAction SilentlyContinue -Recurse -Confirm:$False -WhatIf:$False Remove-Item -Recurse -Force -Path $_ -ErrorAction SilentlyContinue -Confirm:$False -WhatIf:$False } Catch {} } } } Try { if (-not (Test-Path -PathType Container -Path "$updaterPath" )) { New-Item "$updaterPath" -type directory -ErrorAction SilentlyContinue | Out-Null } $updaterTest = [System.Net.WebRequest]::Create($updater) if (($Script:LTProxy.Enabled) -eq $True) { Write-Debug "Line $(LINENUM): Proxy Configuration Needed. Applying Proxy Settings to request." $updaterTest.Proxy = $Script:LTWebProxy } $updaterTest.KeepAlive = $False $updaterTest.ProtocolVersion = '1.0' $updaterResult = $updaterTest.GetResponse() $updaterTest.Abort() if ($updaterResult.StatusCode -ne 200) { Write-Warning "WARNING: Line $(LINENUM): Unable to download LabtechUpdate.exe version $Version from server $($Svr)." Continue } else { if ( $PSCmdlet.ShouldProcess($updater, 'DownloadFile') ) { Write-Debug "Line $(LINENUM): Downloading LabtechUpdate.exe from $updater" $Script:LTServiceNetWebClient.DownloadFile($updater, "$updaterPath\LabtechUpdate.exe") If ((Test-Path "$updaterPath\LabtechUpdate.exe") -and !((Get-Item "$updaterPath\LabtechUpdate.exe" -EA 0).length / 1KB -gt 1234)) { Write-Warning "WARNING: Line $(LINENUM): LabtechUpdate.exe size is below normal. Removing suspected corrupt file." Remove-Item "$updaterPath\LabtechUpdate.exe" -ErrorAction SilentlyContinue -Force -Confirm:$False Continue } } if ($WhatIfPreference -eq $True) { $GoodServer = $Svr } Elseif (Test-Path "$updaterPath\LabtechUpdate.exe") { $GoodServer = $Svr Write-Verbose "LabtechUpdate.exe downloaded successfully from server $($Svr)." } else { Write-Warning "WARNING: Line $(LINENUM): Error encountered downloading from $($Svr). No update file was received." Continue } } } Catch { Write-Warning "WARNING: Line $(LINENUM): Error encountered downloading $updater." Continue } } Catch { Write-Warning "WARNING: Line $(LINENUM): Error encountered downloading from $($Svr)." Continue } } else { Write-Warning "WARNING: Line $(LINENUM): Server address $($Svr) is not formatted correctly. Example: https://lt.domain.com" } } else { Write-Debug "Line $(LINENUM): Server $($GoodServer) has been selected." Write-Verbose "Server has already been selected - Skipping $($Svr)." } } } End { $detectedVersion = $Settings | Select-Object -Expand 'Version' -EA 0 if ($Null -eq $detectedVersion) { Write-Error "ERROR: Line $(LINENUM): No existing installation was found." -ErrorAction Stop Return } if ([System.Version]$detectedVersion -ge [System.Version]$Version) { Write-Warning "WARNING: Line $(LINENUM): Installed version detected ($detectedVersion) is higher than or equal to the requested version ($Version)." Return } if (-not ($GoodServer)) { Write-Warning "WARNING: Line $(LINENUM): No valid server was detected." Return } if ([System.Version]$SVer -gt [System.Version]$Version) { Write-Warning "WARNING: Line $(LINENUM): Server version detected ($SVer) is higher than the requested version ($Version)." Return } Try { Stop-CWAA } Catch { Write-Error "ERROR: Line $(LINENUM): There was an error stopping the services. $($Error[0])" Return } Write-Output "Updating Agent with the following information: Server $($GoodServer), Version $Version" Try { if ($PSCmdlet.ShouldProcess("LabtechUpdate.exe $($xarg)", 'Extracting update files')) { if ((Test-Path "$updaterPath\LabtechUpdate.exe")) { #Extract Update Files Write-Verbose 'Launching LabtechUpdate Self-Extractor.' Write-Debug "Line $(LINENUM): Executing Command ""LabtechUpdate.exe $($xarg)""" Try { Push-Location $updaterPath & "$updaterPath\LabtechUpdate.exe" $($xarg) 2>'' Pop-Location } Catch { Write-Output 'Error calling LabtechUpdate.exe.' } Start-Sleep -Seconds 5 } else { Write-Verbose "WARNING: $updaterPath\LabtechUpdate.exe was not found." } } if ($PSCmdlet.ShouldProcess("Update.exe $($uarg)", 'Launching Updater')) { if ((Test-Path "$updaterPath\Update.exe")) { #Extract Update Files Write-Verbose 'Launching Labtech Updater' Write-Debug "Line $(LINENUM): Executing Command ""Update.exe $($uarg)""" Try { & "$updaterPath\Update.exe" $($uarg) 2>'' } Catch { Write-Output 'Error calling Update.exe.' } Start-Sleep -Seconds 5 } else { Write-Verbose "WARNING: $updaterPath\Update.exe was not found." } } } Catch { Write-Error "ERROR: Line $(LINENUM): There was an error during the update process $($Error[0])" -ErrorAction Continue } Try { Start-CWAA } Catch { Write-Error "ERROR: Line $(LINENUM): There was an error starting the services. $($Error[0])" Return } if ($WhatIfPreference -ne $True) { if ($?) {} else { $Error[0] } } Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)" } } |