core/api/m365/SharePointOnline/utils/Find-ID.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 Find-ID{
    <#
        .SYNOPSIS
 
        .DESCRIPTION
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Find-ID
            Version : 1.0
 
        .LINK
            https://github.com/silverhack/monkey365
    #>


    [cmdletbinding()]
    [OutputType([System.String])]
    Param (
        [Parameter(Mandatory=$true, ValueFromPipeline = $True, HelpMessage="String with potentially ID")]
        [String]$InputObject
    )
    Process{
        Try{
            $guid = [string]::Empty
            $regexGuid = '\{?(([0-9a-f]){8}-([0-9a-f]){4}-([0-9a-f]){4}-([0-9a-f]){4}-([0-9a-f]){12})\}?'
            if($InputObject -match $regexGuid){
                $guid = $Matches[1]
            }
            else{
                $guid = [string]::Empty
            }
            #return object
            return $guid
        }
        Catch{
            Write-Verbose $_
            return [string]::Empty
        }
    }
}