Email daily calendar

README.md

Email daily calendar.

Requires Exchange Web Services Managed API.

powershell.exe -file email-daily-calendar.ps1 -config_file example_config.json

email-daily-calendar.ps1

[CmdletBinding()]
Param(
  [Parameter(Mandatory = $True, Position = 1)]
  [string]$config_file
)

$config = Get-Content $config_file -Raw | ConvertFrom-Json

Add-Type -Path "C:\Program Files\Microsoft\Exchange\Web Services\2.2\Microsoft.Exchange.WebServices.dll"
$exch_ver = [Microsoft.Exchange.WebServices.Data.ExchangeVersion]::Exchange2010_SP2
$exch_serv = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService($exch_ver)
$creds = New-Object Microsoft.Exchange.WebServices.Data.WebCredentials($config.credentials.email, $config.credentials.password)
$exch_serv.Credentials = $creds

## Code From http://poshcode.org/624
## Create a compilation environment
$provider = New-Object Microsoft.CSharp.CSharpCodeProvider
$compiler = $provider.CreateCompiler()
$params = New-Object System.CodeDom.Compiler.CompilerParameters
$params.GenerateExecutable = $False
$params.GenerateInMemory = $True
$params.IncludeDebugInformation = $False
$params.ReferencedAssemblies.Add("System.DLL") | Out-Null

$ta_source=@'
  namespace Local.ToolkitExtensions.Net.CertificatePolicy
  {
    public class TrustAll : System.Net.ICertificatePolicy
    {
      public TrustAll() {}
      public bool CheckValidationResult(System.Net.ServicePoint sp,
        System.Security.Cryptography.X509Certificates.X509Certificate cert, 
        System.Net.WebRequest req, int problem)
      {
        return true;
      }
    }
  }
'@

$ta_results = $provider.CompileAssemblyFromSource($params, $ta_source)
$ta_assembly = $ta_results.CompiledAssembly

## We now create an instance of the TrustAll and attach it to the ServicePointManager
$trust_all = $ta_assembly.CreateInstance("Local.ToolkitExtensions.Net.CertificatePolicy.TrustAll")
[System.Net.ServicePointManager]::CertificatePolicy = $trust_all

## end code from http://poshcode.org/624

$exch_serv.Url = "https://outlook.office365.com/EWS/Exchange.asmx"

Try
{
  #$exch_serv.AutodiscoverUrl($config.credentials.email, {$True})
}
Catch
{
  $creds = New-Object Microsoft.Exchange.WebServices.Data.WebCredentials($config.credentials.eid, $config.credentials.password, $config.credentials.domain)
  $exch_serv.Credentials = $creds
  $exch_serv.AutodiscoverUrl($config.credentials.email, {$True})
}

$name_resolutions = $exch_serv.ResolveName($config.from, [Microsoft.Exchange.WebServices.Data.ResolveNameSearchLocation]::DirectoryOnly, $True)
$display_name = $name_resolutions[0].Contact.DisplayName
$email_subject = "Calendar for " + $display_name + " [" + [System.DateTime]::Now.ToLongDateString() + "]"
$email_body = "----------" + "<br><br>"

$fid = New-Object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::Calendar, $config.from)
$cf = [Microsoft.Exchange.WebServices.Data.CalendarFolder]::Bind($exch_serv, $fid)
$cv_today = New-Object Microsoft.Exchange.WebServices.Data.CalendarView([System.DateTime]::Today.AddHours(1), [System.DateTime]::Today.AddHours(23))
$appts_today = $cf.FindAppointments($cv_today)
foreach ($appt in $appts_today)
{
  $email_body = $email_body + $appt.Organizer.Name + "<br>"
  $email_body = $email_body + $appt.Subject + "<br>"
  $email_body = $email_body + "Start: " + $appt.Start + "<br>"
  $email_body = $email_body + "End: " + $appt.End + "<br><br>"
  $email_body = $email_body + "----------" + "<br><br>"
}

$email = New-Object Microsoft.Exchange.WebServices.Data.EmailMessage($exch_serv)

if ($config.send_as) {
  $email.From = New-Object Microsoft.Exchange.WebServices.Data.EmailAddress($config.send_as)
}

foreach ($email_to in $config.to)
{
  $email.ToRecipients.Add($email_to)
}

foreach ($email_bcc in $config.bcc)
{
  $email.BccRecipients.Add($email_bcc)
}

$email.Subject = $email_subject
$email.Body = New-Object Microsoft.Exchange.WebServices.Data.MessageBody($email_body)
$email.Send()

example_config.json

{
    "credentials": {
        "eid": "eid",
        "password": "********",
        "email": "example@example.com",
        "domain": "example.com"
    },
    "from": "calendar@example.com",
    "to": [
        "calendar-notification-list@example.com"
    ],
    "bcc": [
        "bcc@example.com"
    ]
}