core/modules/monkeyjob/private/Get-CommandToExecute.ps1

# Monkey365 - the PowerShell Cloud Security Tool for Azure and Microsoft 365 (copyright 2022) by Juan Garrido
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

Function Get-CommandToExecute{
    <#
        .SYNOPSIS
 
        .DESCRIPTION
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Get-CommandToExecute
            Version : 1.0
 
        .LINK
            https://github.com/silverhack/monkey365
    #>


    [cmdletbinding()]
    [OutputType([System.Management.Automation.Language.StringConstantExpressionAst])]
    Param (
            [Parameter(Mandatory=$True,ParameterSetName='ScriptBlock')]
            [System.Management.Automation.ScriptBlock]$ScriptBlock,

            [Parameter(Mandatory=$false)]
            [Switch]$First
    )
    try{
        $query = '$Ast -is [System.Management.Automation.Language.CommandAst]'
        $CommandAsts = Get-ElementFromAst -ScriptBlock $ScriptBlock -Query $query
        if($null -ne $CommandAsts){
            if($First){
                #Get first command to process
                $CommandToProcess = $CommandAsts.CommandElements | Select-Object -First 1
            }
            else{
                $CommandToProcess = $CommandAsts.CommandElements
            }
            return $CommandToProcess
        }
    }
    catch{
        Write-Verbose $_
        return $null
    }
}