SEND EMAIL IF THE FOLDER CHANGES

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# Created by Mark Meszaros on March 1st, 2024.                                                          ##
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# MODIFY THESE ROWS: 29, 38, 43*, 49*, 61*, 70*, 78*, 79*, 115, 116, 117                                ##
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# YOU DON'T HAVE TO MODIFY THE * MARKED ROWS IF NOT NECESSARY                                           ##
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# RUN THE SCRIPT WITH THIS COMMAND AS AN ADMINISTRATOR IN CMD                                           ##
# powershell -noexit -executionpolicy bypass -File C:\...\folderMonitor.ps1                             ##
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# YOU CAN NAME THIS SCRIPT WHATEVER YOU WANT... [folderMonitor.ps1]                                     ##
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# NO ACCENTED CHARACTERS ALLOWED IN THIS CODE [PATH, FILENAME, SUBJECT, BODY, ETC...]                   ##
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# ONLY OUTLOOK ACCOUNT WORKS WITH THE SCRIPT, FROM 2024 IT IS NOT POSSIBLE TO USE IT WITH GMAIL         ##
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$Username = "[email protected]";                                                                    ##
$Credential = Get-Credential -UserName $Username -Message "Enter your password"                         ##
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$Password = $Credential.GetNetworkCredential().Password                                                 ##
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# CHANGE THIS PART OF THE CODE                                                                          ##
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$Path = "C:\...\MonitoredFolder";                                                                       ##
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# FILTER EXAMPLES '*' '*.pdf.' '*.txt'                                                                  ##
$FileFilter = '*'                                                                                       ##
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$IncludeSubfolders = $true

$AttributeFilter = [IO.NotifyFilters]::FileName, [IO.NotifyFilters]::LastWrite

# NotifyFilters.Attributes
# NotifyFilters.CreationTime
# NotifyFilters.DirectoryName
# NotifyFilters.FileName
# NotifyFilters.LastAccess
# NotifyFilters.LastWrite
# NotifyFilters.Security
# NotifyFilters.Size;


$ChangeTypes = [System.IO.WatcherChangeTypes]::Created #, [System.IO.WatcherChangeTypes]::Deleted, ...

# YOU CAN ALSO USE THESE FILTERS
# $ChangeTypes = [System.IO.WatcherChangeTypes]::All
# $ChangeTypes = [System.IO.WatcherChangeTypes]::Created
# $ChangeTypes = [System.IO.WatcherChangeTypes]::Changed
# $ChangeTypes = [System.IO.WatcherChangeTypes]::Renamed
# $ChangeTypes = [System.IO.WatcherChangeTypes]::Deleted # NOT WORKS WITH THE ATTACHMENT

$Timeout = 1000 # MILLISECONDS [1 SEC]


function SendToEmail([string]$email, [string]$attachmentpath){

    $message = new-object Net.Mail.MailMessage;
    $message.From = $Username
    $message.To.Add($email);
    $message.Subject = "Folder Changes";
    $message.Body = "There has been a change in the monitorized folder.";
    $attachment = New-Object Net.Mail.Attachment($attachmentpath);
    $message.Attachments.Add($attachment);

    $smtp = new-object Net.Mail.SmtpClient("smtp.office365.com", "25");
    $smtp.EnableSSL = $true;
    $smtp.Credentials = New-Object System.Net.NetworkCredential($Username, $Password);
    $smtp.send($message);
    write-host "Mail Sent to $email" ;
    $attachment.Dispose();
}

function FileMonitoring
{
  param
  (
    [Parameter(Mandatory)]
    [System.IO.WaitForChangedResult]
    $ChangeInformation
  )

  Write-Host 'Change detected:'
  $ChangeInformation | Out-String | Write-Host -ForegroundColor DarkYellow

  $FullFilePath = $Path

  $FullFilePath += '\'

  $FullFilePath += $ChangeInformation.Name

  Write-Host $FullFilePath

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# CHANGE THIS PART OF THE CODE TO THE DESTINATION EMAILS                                                ##
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  SendToEmail -email "[email protected]" -attachmentpath $FullFilePath;                               ##
  #SendToEmail -email "[email protected]" -attachmentpath $FullFilePath;                            ##
  #SendToEmail -email "[email protected]" -attachmentpath $FullFilePath;                              ##
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}

try
{
  Write-Host "FileSystemWatcher is monitoring $Path"


  $watcher = New-Object -TypeName IO.FileSystemWatcher -ArgumentList $Path, $FileFilter -Property @{
    IncludeSubdirectories = $IncludeSubfolders
    NotifyFilter = $AttributeFilter
  }


  do
  {

    $result = $watcher.WaitForChanged($ChangeTypes, $Timeout)

    if ($result.TimedOut) { continue }

    FileMonitoring -Change $result

  } while ($true)
}
finally
{
  $watcher.Dispose()
  Write-Host 'FileSystemWatcher removed.'
}

# YOU CAN CLOSE THE SCRIPT WITH CTRL-C
# ENJOY!