Get User Photo gist

gistfile1.txt

function Get-GraphUserPhoto {
    [CmdletBinding()]
    param (
        [Parameter(Position = 0, Mandatory = $true)]
        [String]
        $Filename,
        [Parameter(Position = 1, Mandatory = $true)]
        [String]
        $MailboxName,
        [Parameter(Position = 2, Mandatory = $false)]
        [String]
        $ClientId,
        [Parameter(Position = 3, Mandatory = $false)]
        [String]
        $RedirectURI = "urn:ietf:wg:oauth:2.0:oob",
        [Parameter(Position = 4, Mandatory = $false)]
        [String]
        $scopes = "User.Read.All Mail.Read",
        [Parameter(Position = 5, Mandatory = $false)]
        [switch]
        $AutoPrompt,
        [Parameter(Position = 6, Mandatory = $false)]
        [String]
        $PhotoSize,
        [Parameter(Position = 7, Mandatory = $false)]
        [int32]
        $ReSizeDimension,
        [Parameter(Position = 8, Mandatory = $false)]
        [String]
        $ReSizeImageForamt="Png"			
    )

    process {
        
        $prompt = $true
        if($AutoPrompt.IsPresent){
            $prompt = $false
        }
        $EndPoint = "https://graph.microsoft.com/v1.0/users"
        $RequestURL = $EndPoint + "('$MailboxName')/photo/`$value" 
        if(![String]::IsNullOrEmpty($PhotoSize)){
            $RequestURL = $EndPoint + "('$MailboxName')/photos/$PhotoSize/`$value" 
        }
        $AccessToken = Get-AccessTokenForGraph -MailboxName $Mailboxname -ClientId $ClientId -RedirectURI $RedirectURI -scopes $scopes -Prompt:$prompt
        $headers = @{
            'Authorization' = "Bearer $AccessToken"
            'AnchorMailbox' = "$MailboxName"
        }
        Invoke-WebRequest -Method Get -Uri $RequestURL -UserAgent "GraphBasicsPs101" -Headers $headers -OutFile $Filename     
        If($ReSizeDimension -gt 0){
              Add-Type -AssemblyName System.Drawing
              $OriginalPhotoFile = [System.Drawing.Image]::FromFile((Get-Item $Filename))
              $ResizedPhoto = New-Object System.Drawing.Bitmap($ReSizeDimension,$ReSizeDimension)
              $NewGraphic = [System.Drawing.Graphics]::FromImage($ResizedPhoto)
              $NewGraphic.CompositingMode = [System.Drawing.Drawing2D.CompositingMode]::SourceCopy;
              $NewGraphic.CompositingQuality = [System.Drawing.Drawing2D.CompositingQuality]::HighQuality;
              $NewGraphic.InterpolationMode = [System.Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic;
              $NewGraphic.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::HighQuality;
              $NewGraphic.PixelOffsetMode =  [System.Drawing.Drawing2D.PixelOffsetMode]::HighQuality;
              $NewGraphic.DrawImage($OriginalPhotoFile, 0, 0, $ReSizeDimension,$ReSizeDimension)
              $OriginalPhotoFile.Dispose()              
              $ResizedPhoto.Save($Filename,[System.Drawing.Imaging.ImageFormat]::$ReSizeImageForamt);              
        }
    }
}