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

    [CmdletBinding()]
    Param (
        [parameter(Mandatory=$True, ValueFromPipeline = $True, HelpMessage="Ruleset File")]
        [String]$Ruleset
    )
    Process{
        Try{
            If (Test-Path -Path $Ruleset){
                $myRuleset = Get-Content $Ruleset -Raw | ConvertFrom-Json
                If(Test-isValidRuleSet -Object $myRuleset){
                    return $myRuleset
                }
                Else{
                    Write-Warning -Message ($Script:messages.InvalidRuleset -f $Ruleset)
                }
            }
            Else{
                Write-Warning -Message ($Script:messages.UnableToImportRuleset -f $Ruleset)
            }
        }
        Catch{
            Write-Warning -Message ($Script:messages.InvalidRuleset -f $Ruleset)
        }
    }
}