# Define your Deep Security Manager credentials and the endpoint
$DSMHost = "your_dsm_host"
$DSMPort = "4119"  # Default port for Deep Security Manager
$DSMUsername = "your_username"
$DSMPassword = "your_password"
$ActivateAgentEndpoint = "https://$DSMHost:$DSMPort/rest"

# Function to authenticate with Deep Security Manager
function Authenticate {
    $LoginUrl = "$ActivateAgentEndpoint/session/login"
    $Headers = @{
        'Content-Type' = 'application/json'
    }
    $Payload = @{
        "dsCredentials" = @{
            "userName" = $DSMUsername
            "password" = $DSMPassword
        }
    }
    $Response = Invoke-RestMethod -Uri $LoginUrl -Method POST -Headers $Headers -Body ($Payload | ConvertTo-Json) -UseBasicParsing
    if ($Response.StatusCode -eq 200) {
        return $Response.sessionID
    } else {
        Write-Host "Failed to authenticate. Status code: $($Response.StatusCode)"
        return $null
    }
}

# Function to activate an agent
function Activate-Agent {
    param (
        [string]$SessionID,
        [string]$AgentEndpoint
    )
    $ActivateUrl = "$ActivateAgentEndpoint/agents/$AgentEndpoint/activate"
    $Headers = @{
        'Content-Type' = 'application/json'
        'Cookie' = "sID=$SessionID"
    }
    $Response = Invoke-RestMethod -Uri $ActivateUrl -Method POST -Headers $Headers -UseBasicParsing
    if ($Response.StatusCode -eq 200) {
        Write-Host "Agent $AgentEndpoint activation successful!"
    } else {
        Write-Host "Failed to activate agent $AgentEndpoint. Status code: $($Response.StatusCode)"
    }
}

# Main script
$SessionID = Authenticate
if ($SessionID) {
    $AgentsToActivate = @(
        "agent_id_to_activate_1",
        "agent_id_to_activate_2",
        "agent_id_to_activate_3"
        # Add more agent IDs as needed
    )
    foreach ($Agent in $AgentsToActivate) {
        Activate-Agent -SessionID $SessionID -AgentEndpoint $Agent
    }
} else {
    Write-Host "Authentication failed. Please check your credentials and try again."
}