AuditConsumerAccounts.psm1

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function Start-AuditConsumerAccounts
{
    <#
    .SYNOPSIS
 
    This function begins the process of collecting information for the purposes of auditing consumer accounts in the Microsoft ecosystem based off domains and addresses in EntraID.
 
    .DESCRIPTION
 
    Trigger function.
 
    .PARAMETER LOGFOLDERPATH
 
    *REQUIRED*
    This is the logging directory for storing the migration log and all backup XML files.
    If running multiple SINGLE instance migrations use different logging directories.
 
    .PARAMETER msGraphEnvironmentName
 
    The MSGraph environment where to invoke commands.
 
    .PARAMETER msGraphTenantID
 
    The msGraphTenantID where the graph commands should be invoked.
 
    .PARAMETER msGraphCertificateThumbprint
 
    This is the graph certificate thumbprint with the associated app id.
    
    .OUTPUTS
 
    Creates a CSV and HTML report of all consumer accounts located based off proxy addresses and UPNs in the EntraID environment
 
    .NOTES
 
    The following blog posts maintain documentation regarding this module.
 
    https://timmcmic.wordpress.com.
 
    Refer to the first pinned blog post that is the table of contents.
 
     
    .EXAMPLE
 
    Start-DistributionListMigration -groupSMTPAddress $groupSMTPAddress -globalCatalogServer server.domain.com -activeDirectoryCredential $cred -logfolderpath c:\temp -dnNoSyncOU "OU" -exchangeOnlineCredential $cred -azureADCredential $cred
 
    .EXAMPLE
 
    Start-DistributionListMigration -groupSMTPAddress $groupSMTPAddress -globalCatalogServer server.domain.com -activeDirectoryCredential $cred -logfolderpath c:\temp -dnNoSyncOU "OU" -exchangeOnlineCredential $cred -azureADCredential $cred -enableHybridMailFlow:$TRUE -triggerUpgradeToOffice365Group:$TRUE
 
    .EXAMPLE
 
    Start-DistributionListMigration -groupSMTPAddress $groupSMTPAddress -globalCatalogServer server.domain.com -activeDirectoryCredential $cred -logfolderpath c:\temp -dnNoSyncOU "OU" -exchangeOnlineCredential $cred -azureADCredential $cred -enableHybridMailFlow:$TRUE -triggerUpgradeToOffice365Group:$TRUE -useCollectedOnPremMailboxFolderPermissions:$TRUE -useCollectedOffice365MailboxFolderPermissions:$TRUE -useCollectedOnPremSendAs:$TRUE -useCollectedOnPremFullMailboxAccess:$TRUE -useCollectedOffice365FullMailboxAccess:$TRUE
 
    #>


     [cmdletbinding()]

    Param
    (
        #Define Microsoft Graph Parameters
        [Parameter(Mandatory = $true, ParameterSetName = "Interactive")]
        [Parameter(Mandatory = $true, ParameterSetName = "Certificate")]
        [Parameter(Mandatory = $true, ParameterSetName = "ClientSecret")]
        [ValidateSet("China","Global","USGov","USGovDod")]
        [string]$msGraphEnvironmentName,
        [Parameter(Mandatory = $true, ParameterSetName = "Interactive")]
        [Parameter(Mandatory = $true, ParameterSetName = "Certificate")]
        [Parameter(Mandatory = $true, ParameterSetName = "ClientSecret")]
        [string]$msGraphTenantID,
        [Parameter(Mandatory = $true, ParameterSetName = "Certificate")]
        [string]$msGraphCertificateThumbprint,
        [Parameter(Mandatory = $true, ParameterSetName = "Certificate")]
        [Parameter(Mandatory = $true, ParameterSetName = "ClientSecret")]
        [string]$msGraphApplicationID,
        [Parameter(Mandatory = $true, ParameterSetName = "ClientSecret")]        
        [string]$msGraphClientSecret,
        [Parameter(Mandatory = $true, ParameterSetName = "Interactive")]
        [Parameter(Mandatory = $true, ParameterSetName = "Certificate")]
        [Parameter(Mandatory = $true, ParameterSetName = "ClientSecret")]
        [ValidateSet("Domain.Read.All","Domain.ReadWrite.All")]        
        [string]$msGraphDomainPermissions,
        [Parameter(Mandatory = $true, ParameterSetName = "Interactive")]
        [Parameter(Mandatory = $true, ParameterSetName = "Certificate")]
        [Parameter(Mandatory = $true, ParameterSetName = "ClientSecret")]
        [ValidateSet("User.Read.All","User.ReadWrite.All","Directory.Read.All","Directory.ReadWrite.All")]        
        [string]$msGraphUserPermissions,
        #Define other mandatory parameters
        [Parameter(Mandatory = $true)]
        [string]$logFolderPath,
        #Define telemetry parameters
        [Parameter(Mandatory = $false)]
        [boolean]$allowTelemetryCollection=$TRUE,
        #Define optional paramters
        [Parameter(Mandatory = $false)]
        [boolean]$testPrimarySMTPOnly=$false
    )

    #Initialize telemetry collection.

    $appInsightAPIKey = "63d673af-33f4-401c-931e-f0b64a218d89"
    $traceModuleName = "AuditConsumerAccounts"

    if ($allowTelemetryCollection -eq $TRUE)
    {
        start-telemetryConfiguration -allowTelemetryCollection $allowTelemetryCollection -appInsightAPIKey $appInsightAPIKey -traceModuleName $traceModuleName
    }

    #Create powershell hash table.

    $powershellModules = @{}
    $powershellModules['Authentication']="Microsoft.Graph.Authentication"
    $powershellModules['Users']="Microsoft.Graph.Users"
    $powershellModules['Directory']="Microsoft.Graph.Identity.DirectoryManagement"
    $powershellModules['Telemetry']="TelemetryHelper"
    $powershellModules['HTML']="PSWriteHTML"
    $powershellModules['Identity']="MSIdentityTools"
    $powershellModules['AuditConsumerAccounts']="AuditConsumerAccounts"


    #Create the telemetry values hash table.

    $telemetryValues = @{}
    $telemetryValues['telemetryAuditConsumerAccounts']="None"
    $telemetryValues['telemetryMSIdentityTools']="None"
    $telemetryValues['telemetryMSGraphAuthentication']="None"
    $telemetryValues['telemetryMSGraphUsers']="None"
    $telemetryValues['telemetryMSGraphDirectory']="None"
    $telemetryValues['telemetryOSVersion']="None"
    $telemetryValues['telemetryStartTime']=(get-UniversalDateTime)
    $telemetryValues['telemetryEndTime']="None"
    $telemetryValues['telemetryElapsedSeconds']=[double]0
    $telemetryValues['telemetryEventName']="Start-AuditConsumerAccounts"
    $telemetryValues['telemetryNumberOfUsers']=[double]0
    $telemetryValues['telemetryNumberofAddresses']=[double]0
    $telemetryValues['telemetryNumberOfConsumerAccounts']=[double]0

    #Create MSGraphHashTable

    $msGraphValues = @{}
    $msGraphValues['msGraphEnvironmentName']=$msGraphEnvironmentName
    $msGraphValues['msGraphTenantID']=$msGraphTenantID
    $msGraphValues['msGraphApplicationID']=$msGraphApplicationID
    $msGraphValues['msGraphCertificateThumbprint']=$msGraphCertificateThumbprint
    $msGraphValues['msGraphClientSecret']=$msGraphClientSecret
    $msGraphValues['msGraphDomainPermissions']=$msGraphDomainPermissions
    $msGraphValues['msGraphUserPermissions']=$msGraphUserPermissions
    $msGraphValues['msGraphAuthenticationType']=$PSCmdlet.ParameterSetName

    #Create HTML Table

    $htmlValues = @{}
    $htmlValues['htmlStartTime']=Get-Date

    #Create export table

    $exportNames = @{}
    $exportNames['usersXML']="-UsersXML"
    $exportNames['domainsCSV']="-DomainsCSV"
    $exportNames['addressesToTextXML']="-AddressToTestXML"
    $exportNames['consumerAccountsXML']="-ConsumerAccounts"

    #Set the execution windows name.

    $windowTitle = "Start-AuditConsumerAccounts"
    $host.ui.RawUI.WindowTitle = $windowTitle

    #Define global variables.

    [string]$global:staticFolderName="\AuditConsumerAccounts\"

    #Define local variables.

    [string]$logFileName = "AuditConsumerAccounts"
    $userList
    $domainsList
    $addressesToTest
    $consumerAccountList

    #Start the log file.

    new-logFile -logFileName $logFileName -logFolderPath $logFolderPath

    out-logfile -string "==============================================================="
    out-logfile -string "BEGIN Start-AuditConsumerAccounts"
    out-logfile -string "==============================================================="

    $htmlValues['htmlStartPowershellValidation']=Get-Date

    $telemetryValues['telemetryMSGraphAuthentication']=Test-PowershellModule -powershellModuleName $powershellModules.Authentication -powershellVersionTest:$TRUE
    $telemetryValues['telemetryMSGraphUsers']=Test-PowershellModule -powershellModuleName $powershellModules.Users -powershellVersionTest:$TRUE
    $telemetryValues['telemetryMSGraphDirectory']=Test-PowershellModule -powershellModuleName $powershellModules.Directory -powershellVersionTest:$TRUE
    $telemetryValues['telemetryMSIdentityTools']=Test-PowershellModule -powershellModuleName $powershellModules.Identity -powershellVersionTest:$TRUE
    $telemetryValues['telemetryAuditConsumerAccounts']=Test-PowerShellModule -powershellModuleName $powershellModules.AuditConsumerAccounts -powershellVersionTest:$TRUE
    $null=Test-PowershellModule -powershellModuleName $powershellModules.telemetry -powershellVersionTest:$TRUE
    $null=Test-PowershellModule -powershellModuleName $powershellModules.html -powershellVersionTest:$TRUE

    $htmlValues['htmlStartMSGraph']=Get-Date

    out-logfile -string "Establish graph connection."

    new-graphConnection -graphHashTable $msGraphValues

    $htmlValues['htmlVerifyMSGraph']=Get-Date

    out-logfile -string "Verify graph connection."

    verify-graphConnection -graphHashTable $msGraphValues

    $htmlValues['htmlGetMSGraphUsers']=Get-Date

    out-logfile -string "Obtain all users from entra ID."

    $userList = get-MSGraphUsers

    out-xmlFile -itemToExport $userList -itemNameToExport $exportNames.usersXML

    $htmlValues['htmlGetMSGraphDomains']=Get-Date

    out-logfile -string "Obtain all domains from entra id."

    $domainsList = get-msGraphDomains

    out-CSVFile -itemToExport $domainsList -itemNameToExport $exportNames.domainsCSV

    $htmlValues['htmlAddressesToTest']=Get-Date

    $addressesToTest = get-AddressesToTest -userList $userList -domainsList $domainsList -testPrimarySMTPOnly $testPrimarySMTPOnly

    out-xmlFile -itemToExport $addressesToTest -itemNameToExport $exportNames.addressesToTextXML

    $htmlValues['htmlConsumerAccountTest']=Get-Date

    $consumerAccountList = get-ConsumerAccounts -accountList $addressesToTest

    out-xmlFile -itemToExport $consumerAccountList -itemNameToExport $exportNames.consumerAccountsXML

    $telemetryValues['telemetryNumberOfUsers']=[double]$userList.count
    $telemetryValues['telemetryNumberofAddresses']=[double]$addressesToTest.count
    $telemetryValues['telemetryNumberOfConsumerAccounts']=[double]$consumerAccountList.Count
    $telemetryValues['telemetryEndTime']=(Get-UniversalDateTime)
    $telemetryValues['telemetryElapsedSeconds']=[double](Get-ElapsedTime -startTime $telemetryValues['telemetryStartTime'] -endTime  $telemetryValues['telemetryEndTime'])

    $htmlValues['htmlEndTime']=Get-Date

    generate-htmlFile -htmlTime $htmlValues -accounts $consumerAccountList

    if ($allowTelemetryCollection -eq $TRUE)
    {
        $telemetryEventProperties = @{
            AuditConsumerAccountsCommand = $telemetryValues.telemetryEventName
            AuditConsumerAccountCommandVersion = $telemetryValues.telemetryAuditConsumerAccounts
            MSGraphAuthentication = $telemetryValues.telemetryMSGraphAuthentication
            MSGraphUsers = $telemetryValues.telemetryMSGraphUsers
            MSGraphDirectory = $telemetryValues.telemetryMSGraptelemetryMSGraphDirectory
            MSIdentityTools = $telemetryValues.telemetryMSIdentityTools
            OSVersion = $telemetryValues.telemetryOSVersion
            MigrationStartTimeUTC = $telemetryValues.telemetryStartTime
            MigrationEndTimeUTC = $telemetryValues.telemetryEndTime
        }

        $telemetryEventMetrics = @{
                MigrationElapsedSeconds = $telemetryValues.telemetryElapsedSeconds
                NumberOfUsers = $telemetryValues.telemetryNumberOfUsers
                NumberOfAddresses = $telemetryValues.telemetryNumberofAddresses
                NumberOfConsumerAccounts = $telemetryValues.telemetryNumberOfConsumerAccounts
        }
    }

    if ($allowTelemetryCollection -eq $TRUE)
    {
        out-logfile -string "Telemetry1"
        out-logfile -string $traceModuleName
        out-logfile -string "Telemetry2"
        out-logfile -string $telemetryValues.telemetryEventName
        out-logfile -string "Telemetry3"
        out-logfile -string $telemetryEventMetrics
        out-logfile -string "Telemetry4"
        out-logfile -string $telemetryEventProperties
        send-TelemetryEvent -traceModuleName $traceModuleName -eventName $telemetryValues.telemetryEventName -eventMetrics $telemetryEventMetrics -eventProperties $telemetryEventProperties
    }
}