Email PW Reset

$ascii=$NULL;For ($a=48;$a –le 122;$a++) {$ascii+=,[char][byte]$a}

function Get-Password
    {
        Param
            (
            $Length=10,
            $SourceData=$ascii
            )

        For($loop=1; $loop -le $length; $loop++)
            {
                $Password+=($SourceData | Get-Random)
            }
        return $Password
    }

Add-type -AssemblyName “Microsoft.Office.Interop.Outlook” | Out-Null
$olFolders = “Microsoft.Office.Interop.Outlook.olDefaultFolders” -as [type]
$outlook = New-Object -ComObject outlook.application
$namespace = $outlook.GetNameSpace(“MAPI”)
$folder = $namespace.getDefaultFolder($olFolders::olFolderInBox)

$date = Get-Date
$timespan = $date.AddMinutes(-180).ToString("M/d/yyy h:mm:s tt")
$emails = $folder.items | where {$_.ReceivedTime -gt $timespan}

$requests = @()

foreach($email in $emails)
    {
        $senderName = $email.SenderName
        $emailHeader = $email.PropertyAccessor.GetProperty("http://schemas.microsoft.com/mapi/proptag/0x007D001E")
        $sentTo = if($emailHeader -match "To: .+")
                    {
                        $Matches[0]
                    }

        if($sentTo -match "pwreset@gardencityks\.us")
            {
                if($emailHeader -notmatch "X-Barracuda")
                    {
                        echo "added $senderName email to requests array"
                        $requests += $email
                    }
                else
                    {
                        echo "$senderName header mismatch"
                    }
            }
        else
            {
                echo "$senderName not sent to pwreset"
            }
    }

echo ""
$requests = $requests | select -Property SenderName, Subject

foreach($request in $requests)
    {
        $username = $request.Subject
        $user = Get-ADUser -Identity $username -Properties Manager -ErrorAction Ignore
        $userManager = Get-ADUser -Identity $user.manager | select -ExpandProperty Name
        $senderName = $request.SenderName
        $senderUsername = $senderName.Replace(" ",".")
        $senderEmail = "$senderUsername"+"@GardenCityKS.US"

        $retries = 3
        $retryCount = 0
        $completed = $false

        if($senderName -eq $userManager)
            {
                while(-not $completed)
                    {
                        Try
                            {
                                # The main command MUST be set with ErrorAction Stop. Errors must be treated as terminating
                                # or it won't be caught by the catch block for the retry

                                $pass = Get-Password
                                $securePass = ConvertTo-SecureString -String $pass -AsPlainText -Force

                                Set-ADAccountPassword -Identity $username -Reset -NewPassword $securePass -ErrorAction Stop
                                Set-ADUser -Identity $username -ChangePasswordAtLogon -ErrorAction Stop

                                Echo "Changed $username's password for $senderName. $date"
                                $emailParameters = @{
                                                        Subject = "$username pw change success"
                                                        Body = "$date
                                                                Password: $pass"
                                                        From = "PW Reset <PWReset@GardenCityKS.US>"
                                                        To = "$senderEmail"
                                                        SmtpServer = "sabre.gardencityks.us"
                                                    }
                                Send-MailMessage @emailParameters -UseSsl -BodyAsHtml -ErrorAction Stop

                                $completed = $true
                            }
                        catch
                            {
                                if($retryCount -ge $retries)
                                    {
                                        Echo "Failed to reset $username's password for $senderName the maximum of $retryCount times."
                                        $emailParameters = @{
                                                                Subject = "$username pw change failed"
                                                                Body = "$date
                                                                        Failed to reset $username's password for $senderName the maximum of $retryCount times.
                                                                        Contact help desk for this request."
                                                                From = "PW Reset <PWReset@GardenCityKS.US>"
                                                                To = "$senderEmail"
                                                                SmtpServer = "sabre.gardencityks.us"
                                                            }
                                        Send-MailMessage @emailParameters -UseSsl -BodyAsHtml
                                        throw
                                    }
                                else
                                    {
                                        Echo "Failed to reset $username's password for $senderName $retryCount times. Trying again in 3 seconds."
                                        Start-Sleep -Seconds 3
                                        $retryCount++
                                    }
                            }
                    }
            }
        else
            {
                Echo "$senderName is not $username's Manager. Will not reset $username's password."
                $emailParameters = @{
                                        Subject = "$username pw change failed"
                                        Body = "$date
                                                $senderName is not $username's Manager. Will not reset $username's password.
                                                Contact help desk for this request.  "
                                        From = "PW Reset <PWReset@GardenCityKS.US>"
                                        To = "$senderEmail"
                                        SmtpServer = "sabre.gardencityks.us"
                                    }
                Send-MailMessage @emailParameters -UseSsl -BodyAsHtml
            }
    }