Download multiple Digital Blasphemy Photos

gistfile1.ps1

$resolutions = @{"640x960" = "640x960"; "640x1136" = "640x1136"; "960x544" = "960x544"; "1024x1024" = "1024x1024"; "2048x2048" = "2048x2048"; "1080x1920" = "1080x1920"; "1920x1080" = "1080p" }

$user = $args[0]
$password = $args[1]
$url = $args[2]

$ismatch = $url -match 'i=(.+)$'

if(!$ismatch)
{
    exit
}

$image = $Matches[1]

Function GetUrl([string]$image, [string]$res) {
    # http://digitalblasphemy.com/content/jpgs/1440x1280/traveller2k1331440x1280.jpg
    "http://digitalblasphemy.com/content/jpgs/$res/$image$res.jpg";
}

function DownloadFile($url, $targetFile)
{ 
    "Downloading $url" 
    $uri = New-Object "System.Uri" "$url" 
    $request = [System.Net.HttpWebRequest]::Create($uri) 
    $request.Credentials = New-Object System.Net.NetworkCredential($user, $password)
    $request.set_Timeout(15000) #15 second timeout 
    $response = $request.GetResponse() 
    $totalLength = [System.Math]::Floor($response.get_ContentLength()/1024) 
    $responseStream = $response.GetResponseStream() 
    $targetStream = New-Object -TypeName System.IO.FileStream -ArgumentList "$($(pwd).Path)/$targetFile", Create 
    $buffer = New-Object byte[] 10KB 
    $count = $responseStream.Read($buffer,0,$buffer.length) 
    $downloadedBytes = $count 
    while ($count -gt 0) 
    { 
        $downloadedKb = [System.Math]::Floor($downloadedBytes/1024)
        Write-Host -NoNewline "`rDownloaded $($downloadedKb)K of $($totalLength)K" 
        $targetStream.Write($buffer, 0, $count) 
        $count = $responseStream.Read($buffer,0,$buffer.length) 
        $downloadedBytes = $downloadedBytes + $count 
    } 
    "`nFinished Download" 
    $targetStream.Flush()
    $targetStream.Close() 
    $targetStream.Dispose() 
    $responseStream.Dispose() 
}

foreach($dir in $($resolutions.Keys)) {
    $res = $resolutions[$dir]
    $downloadUrl = GetUrl $image $res
    echo $downloadUrl
    if(!(Test-Path -Path $dir )){
        New-Item -ItemType directory -Path $dir
    }
    DownloadFile $downloadUrl "$dir/$image$res.jpg"
}