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


    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseOutputTypeCorrectly", "", Scope="Function")]
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory = $false,HelpMessage = "Purview")]
        [Switch]$Purview
    )
    Begin{
        $org = $null
        #Get instance
        $Environment = $O365Object.Environment
        if($PSBoundParameters.ContainsKey('Purview') -and $PSBoundParameters['Purview'].IsPresent){
            #Get Purview token
            $ExoAuth = $O365Object.auth_tokens.ComplianceCenter
        }
        else{
            #Get Exchange Online Auth token
            $ExoAuth = $O365Object.auth_tokens.ExchangeOnline
        }
        #InitParams
        $p = @{
            Authentication = $ExoAuth;
            Environment = $Environment;
            ResponseFormat = 'clixml';
            Command = $null;
            Method = "POST";
            InformationAction = $O365Object.InformationAction;
            Verbose = $O365Object.verbose;
            Debug = $O365Object.debug;
        }
        $regions = @()
    }
    Process{
        if($null -ne $ExoAuth){
            $p.Command = 'Get-OrganizationConfig';
            $org = Get-PSExoAdminApiObject @p
        }
        if($null -ne $org){
            $all_regions = $org.AllowedMailboxRegions
            if($all_regions){
                foreach($region in $all_regions){
                    $parsed_region = $region.Split('=')[0]
                    if($parsed_region){
                        $regions+= $parsed_region.ToUpper()
                    }
                }
            }
        }
    }
    End{
        return $regions
    }
}