monkey365

0.95.1

core/api/EntraID/msgraph/helpers/directoryrole/Get-MonkeyMSGraphGroupDirectoryRoleMemberOf.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-MonkeyMSGraphGroupDirectoryRoleMemberOf{
    <#
        .SYNOPSIS
        Get Group Members
 
        .DESCRIPTION
        Get Group Members
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Get-MonkeyMSGraphGroupDirectoryRoleMemberOf
            Version : 1.0
 
        .LINK
            https://github.com/silverhack/monkey365
    #>
    [CmdletBinding()]
    Param (
        [parameter(ValueFromPipeline = $True, HelpMessage="API version")]
        [string]$GroupId,

        [parameter(Mandatory=$false, HelpMessage="API version")]
        [ValidateSet("v1.0","beta")]
        [String]$APIVersion = "v1.0"
    )
    Begin{
        #Import Localized data
        $LocalizedDataParams = $O365Object.LocalizedDataParams
        Import-LocalizedData @LocalizedDataParams;
        $Environment = $O365Object.Environment
        #Get Graph Auth
        $graphAuth = $O365Object.auth_tokens.MSGraph
        $msg = @{
            MessageData = ($message.GroupMembersMessage -f $GroupId);
            callStack = (Get-PSCallStack | Select-Object -First 1);
            logLevel = 'verbose';
            InformationAction = $O365Object.InformationAction;
            Verbose = $O365Object.verbose;
            Tags = @('EntraIDGroupMembers');
        }
        Write-Verbose @msg
        $params = @{
            Authentication = $graphAuth;
            ObjectType = "groups";
            ObjectId = $GroupId;
            Environment = $Environment;
            ContentType = 'application/json';
            Method = "GET";
            APIVersion = $APIVersion;
            InformationAction = $O365Object.InformationAction;
            Verbose = $O365Object.verbose;
            Debug = $O365Object.debug;
        }
        $group_exists = Get-MonkeyMSGraphObject @params
        #Set parents array
        $Parents = @(('{0}' -f $GroupId))
    }
    Process{
        if($group_exists){
            #Get members
            $objectType = ('groups/{0}/memberOf' -f $group_exists.id)
            $params = @{
                Authentication = $graphAuth;
                ObjectType = $objectType;
                Environment = $Environment;
                ContentType = 'application/json';
                Method = "GET";
                APIVersion = $APIVersion;
                InformationAction = $O365Object.InformationAction;
                Verbose = $O365Object.verbose;
                Debug = $O365Object.debug;
            }
            $group_members = Get-MonkeyMSGraphObject @params
            if($group_members){
                foreach($member in $group_members){
                    if($member.'@odata.type' -eq "#microsoft.graph.directoryRole"){
                        $member
                    }
                    elseif($member.'@odata.type' -eq "#microsoft.graph.group"){
                        if($member.id -notin $Parents){
                            $Parents +=$member.id
                            $p = @{
                                GroupId = $member.id;
                                ApiVersion = $APIVersion;
                                InformationAction = $O365Object.InformationAction;
                                Verbose = $O365Object.verbose;
                                Debug = $O365Object.debug;
                            }
                            Get-MonkeyMSGraphGroupDirectoryRoleMemberOf @p
                        }
                        else{
                            $msg = @{
                                MessageData = ($message.PotentialNestedGroupMessage -f $member.displayName, $GroupId);
                                callStack = (Get-PSCallStack | Select-Object -First 1);
                                logLevel = 'debug';
                                InformationAction = $O365Object.InformationAction;
                                Verbose = $O365Object.verbose;
                                Debug = $O365Object.debug;
                                Tags = @('AzureGraphGroupMembers');
                            }
                            Write-Debug @msg
                        }
                    }
                }
            }
        }
    }
    End{
        #Nothing to do here
    }
}