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


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

            [Parameter(Mandatory=$True)]
            [String]$Query
    )
    Begin{
        $txt_query = ('param([System.Management.Automation.Language.Ast] $Ast); {0}' -f $Query)
    }
    Process{
        $my_query = [System.Management.Automation.Language.Parser]::ParseInput($txt_query, [ref]$null, [ref]$null)
        $matchedElements = $ScriptBlock.Ast.FindAll($my_query.GetScriptBlock(), $true) | Where-Object { $_ }
    }
    End{
        $matchedElements
    }
}