Public/Templates/standalone-application/Intune-I-MainInstaller.ps1

param(
    [switch]$Uninstall
)
# Install application defined in the Intune-I-MainInstaller.json file and run and pre and post installation scripts

# Importing the install configuration json file
$InstallConfig = Get-Content -Path "$PSScriptRoot\config.installer.json" | ConvertFrom-Json

#region Global Variables
$ConfigBase = ${env:ProgramFiles(x86)}
$APFBase = "APF"
$APFFullBase = Join-Path -Path $ConfigBase -ChildPath $APFBase
$StorageFolderBase = "PersistentStorage"
$StorageFolderName = "standalone-applications"
$StorageFolderFullPath = Join-Path -Path $APFFullBase -ChildPath "$StorageFolderBase\$StorageFolderName"
$InvalidChars = [System.IO.Path]::GetInvalidFileNameChars()
$LogName = "APF_$($InstallConfig.name)_StandAlone_application.log"
$InvalidChars | ForEach-Object { $LogName = $LogName -replace [regex]::Escape($_), "" }
$LoggingPath = Join-Path -Path (Join-Path -Path $ConfigBase -ChildPath "\$APFBase\UserLogs\") -ChildPath $LogName
$ExistingConfig = $false
$StartTime = Get-Date
#endregion Global Variables

#region Logging function
try {
    Import-Module -Name "$PSScriptRoot\Write-DeploymentLog.ps1" -Force -ErrorAction Stop
}
Catch {
    Write-Error -Message "Failed to import the logging function with error: $_"
    exit 1
}
#endregion Logging Function
Write-DeploymentLog -Message "APF Started." -MessageType "Info" -LogPath $LoggingPath
# Setup Working Directory

# Create config directory if it dosent exist

if (-not (Test-Path -Path "$ConfigBase\$APFBase\AppConfigs")) {
    Write-DeploymentLog -Message "Creating the APF App Configs folder" -MessageType "Info" -LogPath $LoggingPath
    New-Item -Path "$ConfigBase\$APFBase\AppConfigs" -ItemType Directory -Force
}

if (-not (Test-Path -Path "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json")) {
    Write-DeploymentLog -Message "Installer config dosen't exist in the APF App Configs folder" -MessageType "Info" -LogPath $LoggingPath
}
else {
    $ExistingConfig = $true
    $LocalConfig = Get-Content -Path "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json" | ConvertFrom-Json
    if ($LocalConfig -ne $InstallConfig) {
        if (([version]$InstallConfig.version -gt [version]$LocalConfig.version) -and (-not $Uninstall)) {
            Write-DeploymentLog -Message "The installer config is newer than the one in the APF App Configs folder, this installation will upgrade the existing installation" -MessageType "Info" -LogPath $LoggingPath
        }
        elseif (([version]$InstallConfig.version -lt [version]$LocalConfig.version) -and (-not $Uninstall)) {
            Write-DeploymentLog -Message "The installer config is older than the one in the APF App Configs folder, this installation will not be performed" -MessageType "Info" -LogPath $LoggingPath
            exit 0
        }
        elseif (([version]$InstallConfig.version -eq [version]$LocalConfig.version) -and (-not $Uninstall)) {
            Write-DeploymentLog -Message "The version number in the installer config is the same as the one in the APF App Configs folder, check if another value has changed, this installation will not be performed" -MessageType "Info" -LogPath $LoggingPath
            exit 0
        }
    }
    else {
        Write-DeploymentLog -Message "The installer config is the same as the one in the APF Scripts folder, Detection might have failed. Aborting" -MessageType "Info" -LogPath $LoggingPath
        exit 1
    }
}

# Check if the pre-install script exists

if (-not [string]::IsNullOrEmpty($InstallConfig.precommandfile)) {
    Write-DeploymentLog -Message "Pre-install script found, running $($InstallConfig.precommandfile)" -MessageType "Info" -LogPath $LoggingPath
    try {
        if ($Uninstall) {
            Start-Process powershell.exe -ArgumentList "-File `"$PSScriptRoot\$($InstallConfig.precommandfile)`" -Uninstall" -Wait -NoNewWindow -ErrorAction Stop
        }
        else {
            Start-Process powershell.exe -ArgumentList "-File `"$PSScriptRoot\$($InstallConfig.precommandfile)`"" -Wait -NoNewWindow -ErrorAction Stop
        }
    }
    Catch {
        Write-DeploymentLog -Message "Failed to run pre-install script with error: $_" -MessageType "Error" -LogPath $LoggingPath
        exit 1
    }
}

if ($Uninstall) {
    Write-DeploymentLog -Message "Uninstalling $($InstallConfig.name), Version $($InstallConfig.version) with filename $($InstallConfig.filename)" -MessageType "Info" -LogPath $LoggingPath
    Write-DeploymentLog -Message "Imported the following configuration: `n$($InstallConfig | ConvertTo-Json -Depth 5)" -MessageType "Info" -LogPath $LoggingPath

    if (Test-Path -Path $(Join-Path -Path $StorageFolderFullPath -ChildPath $InstallConfig.filename)) {
        try {
            Remove-Item -Path $(Join-Path -Path $StorageFolderFullPath -ChildPath $InstallConfig.filename) -Confirm:$false -ErrorAction Stop

            Write-DeploymentLog -Message "Uninstall completed successfully" -MessageType "Info" -LogPath $LoggingPath
            if ($InstallConfig.shortcut) {
                Write-DeploymentLog -Message "Removing shortcuts" -MessageType "Info" -LogPath $LoggingPath
                foreach ($Shortcut in $InstallConfig.CreatedShortcuts) {
                    if (Test-Path -Path $Shortcut) {
                        Remove-Item -Path $Shortcut -Force -Confirm:$false
                    }
                }
            }
            if ($InstallConfig.shortcut) {
                Write-DeploymentLog -Message "Removing shortcuts" -MessageType "Info" -LogPath $LoggingPath
                foreach ($Shortcut in $InstallConfig.CreatedShortcuts) {
                    if (Test-Path -Path $Shortcut) {
                        Remove-Item -Path $Shortcut -Force -Confirm:$false
                    }
                }
            }
            if ($ExistingConfig -eq $true) {
                Remove-Item -Path "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json" -Force -Confirm:$false
            }
        }
        catch {
            Write-DeploymentLog -Message "Failed to remove deployed executable: $($InstallConfig.filename), exiting.." -MessageType "Error" -LogPath $LoggingPath
        }
    }
    else {
        Write-DeploymentLog -Message "Couldn't find the deployed executable $($InstallConfig.filename), exiting.." -MessageType "Error" -LogPath $LoggingPath
        exit 1
    }

    $Script:TimeTaken = $(Get-Date) - $StartTime
    Write-DeploymentLog -Message "Uninstallation of $($InstallConfig.name), Version $($InstallConfig.version) took $($TimeTaken.ToString('hh\:mm\:ss\.fff'))" -MessageType "Info" -LogPath $LoggingPath
    exit 0
}
else {
    Write-DeploymentLog -Message "Starting installation of $($InstallConfig.name), Version $($InstallConfig.version)" -MessageType "Info" -LogPath $LoggingPath
    # Log the config import
    Write-DeploymentLog -Message "Imported the following configuration: `n$($InstallConfig | ConvertTo-Json -Depth 5)" -MessageType "Info" -LogPath $LoggingPath
    # Install the application
    Write-DeploymentLog -Message "Installing $($InstallConfig.name), Version $($InstallConfig.version) with executable name $($InstallConfig.filename)" -MessageType "Info" -LogPath $LoggingPath

    if ((Test-Path -Path $StorageFolderFullPath) -eq $false) {
        Write-DeploymentLog -Message "Couldn't find storage folder: $($StorageFolderName), creating now." -MessageType "Info" -LogPath $LoggingPath
        try {
            New-Item -Path $StorageFolderFullPath -ItemType Directory -ErrorAction Stop
        }
        catch {
            Write-DeploymentLog -Message "Failed to create storage folder $($StorageFolderName), breaking.." -MessageType "Error" -LogPath $LoggingPath
            exit 1
        }
    }
    if (Test-Path -Path $(Join-Path -Path $StorageFolderFullPath -ChildPath $InstallConfig.filename)) {
        Write-DeploymentLog -Message "Removing existing $($InstallConfig.filename) in storage folder $($StorageFolderFullPath)" -MessageType "Warning" -LogPath $LoggingPath
        try {
            Remove-Item -Path $(Join-Path -Path $StorageFolderFullPath -ChildPath $InstallConfig.filename) -Confirm:$false -ErrorAction Stop
        } catch {
            Write-DeploymentLog -Message "Failed removing existing $($InstallConfig.filename) in storage folder $($StorageFolderFullPath), breaking..." -MessageType "Error" -LogPath $LoggingPath
            exit 1
        }
    }
    else {
        Write-DeploymentLog -Message "Copying $($InstallConfig.filename) to storage folder $($StorageFolderFullPath)" -MessageType "Info" -LogPath $LoggingPath
        try {
            Copy-Item -Path $(Join-Path -Path $PSScriptRoot -ChildPath $($InstallConfig.filename)) -Destination $StorageFolderFullPath -ErrorAction Stop

            if ( -not [string]::IsNullOrEmpty($InstallConfig.shortcut)) {
                # Get all the Start Menu Shotcuts just created so we can create the defined shortcut in the config file
                $TimeLimit = (Get-Date).AddSeconds(-5)
                $StartMenuShortcuts = Get-ChildItem -Path "$env:APPDATA\Microsoft\Windows\Start Menu\Programs" -Recurse -Include "*.lnk" | Where-Object { $_.CreationTime -gt $TimeLimit } | Where-Object { $_.Name -notmatch "Uninstall|remove|readme|guide" }
                if ($null -eq $StartMenuShortcuts) {
                    Write-DeploymentLog -Message "No Start Menu Shortcuts found" -MessageType "Info" -LogPath $LoggingPath
                }
                else {
                    foreach ($Shortcut in $StartMenuShortcuts) {
                        $WshShell = New-Object -ComObject WScript.Shell
                        $ShortcutObject = $WshShell.CreateShortcut($Shortcut)
                        try {
                            Write-DeploymentLog -Message "Creating shortcut $($Shortcut.BaseName)" -MessageType "Info" -LogPath $LoggingPath
                            $ShortcutFullPath = Join-Path -Path $ShortcutBasePath -ChildPath "$($Shortcut.BaseName).lnk"
                            $WshShell = New-Object -ComObject WScript.Shell
                            $Shortcut = $WshShell.CreateShortcut($ShortcutFullPath)
                            $Shortcut.TargetPath = $ShortcutObject.TargetPath
                            $Shortcut.Save()
                            $InstallConfig.CreatedShortcuts += $ShortcutFullPath
                        }
                        Catch {
                            Write-DeploymentLog -Message "Failed to create shortcut with error: $_" -MessageType "Warning" -LogPath $LoggingPath
                        }
                    }
                }
            }

            Write-DeploymentLog -Message "Copied complete." -MessageType "Info" -LogPath $LoggingPath
            if ($ExistingConfig -eq $false) {
                Write-DeploymentLog -Message "Creating the config file for the installed application" -MessageType "Info" -LogPath $LoggingPath
                $InstallConfig | ConvertTo-Json | Set-Content -Path "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json"
            }
            else {
                # Backup previous config file
                Write-DeploymentLog -Message "Backing up the previous config file for the installed application" -MessageType "Info" -LogPath $LoggingPath
                Copy-Item -Path "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json" -Destination "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json.bak" -Force
                Write-DeploymentLog -Message "Updating the config file for the installed application" -MessageType "Info" -LogPath $LoggingPath
                $InstallConfig | ConvertTo-Json | Set-Content -Path "$ConfigBase\$APFBase\AppConfigs\$($InstallConfig.name)_config.installer.json"
            }
        }
        catch {
            Write-DeploymentLog -Message "Failed to copy $($InstallConfig.filename) to storage folder $($StorageFolderFullPath), breaking.." -MessageType "Error" -LogPath $LoggingPath
            Exit 1
        }
    }

    Write-DeploymentLog -Message "Installation of $($InstallConfig.name), Version $($InstallConfig.version) completed successfully" -MessageType "Info" -LogPath $LoggingPath
    $Script:TimeTaken = $(Get-Date) - $StartTime
    Write-DeploymentLog -Message "Installation of $($InstallConfig.name), Version $($InstallConfig.version) took $($TimeTaken.ToString('hh\:mm\:ss\.fff'))" -MessageType "Info" -LogPath $LoggingPath
}
# Check if the post-install script exists

if (-not [string]::IsNullOrEmpty($InstallConfig.postcommandfile)) {
    Write-DeploymentLog -Message "Post-install script found, running $($InstallConfig.postcommandfile)" -MessageType "Info" -LogPath $LoggingPath
    # Run the post-install script
    try {
        if ($Uninstall) {
            Start-Process powershell.exe -ArgumentList "-File `"$PSScriptRoot\$($InstallConfig.postcommandfile)`" -Uninstall -ExitCode $($Process.ExitCode)" -Wait -NoNewWindow -ErrorAction Stop
        }
        else {
            Start-Process powershell.exe -ArgumentList "-File `"$PSScriptRoot\$($InstallConfig.postcommandfile)`"" -Wait -NoNewWindow -ErrorAction Stop
        }
    }
    Catch {
        Write-DeploymentLog -Message "Failed to run post-install script with error: $_" -MessageType "Error" -LogPath $LoggingPath
        exit 1
    }
}
Write-DeploymentLog -Message "APF Completed." -MessageType "Info" -LogPath $LoggingPath
exit 0