Scrape-CyworldUserImage.ps1

$userid = '1234567'

$uri = "https://cy.cyworld.com/home/$userid/posts"
$timestamp = Get-Date -format "yyyyMMddHHmmss"
$outputPath = "$([Environment]::GetFolderPath("Desktop"))\$userid\$timestamp\"
mkdir $outputPath -ErrorAction SilentlyContinue > $null
$origin = ([datetime]'1/1/1970')

$headers = @{
    "Accept"="application/json, text/javascript, */*; q=0.01"
}

$body = @{
    airecase = ''
    airelastdate = ''
    airepageno = ''
    folderid = ''
    homeId = $userid
    lastdate = ''
    lastid = ''
    listsize = 20
    searchType= ''
    search = ''
    tagname = ''
}

$postList = @()

do
{
    $response = Invoke-WebRequest `
        -Uri "$uri$queryParams" `
        -Body $body `
        -Headers $headers | %{$_.Content} | ConvertFrom-Json

    $response.postList | %{
        $postList += [pscustomobject] @{
            imageUrl = $_.summaryModel.image
            createdDate = ($origin.AddMilliseconds($_.createdDate)).ToString('yyyyMMddHHmmss')
        }
    }
    
    $lastid = $response.postList | select -Last 1 | %{$_.identity}
    $lastdate = $response.lastdate

    $body.airecase = 'D'
    $body.airelastdate = ''
    $body.airepageno = '0'
    $body.folderid = ''
    $body.lastid = $lastid
    $body.lastdate = $lastdate
    $body.searchType = 'R'
    $body.tagname = ''
}
#while ($count -lt 20)
while ($postList.count -lt $response.totalCount)

$wc = New-Object System.Net.WebClient
$postList | %{
    $url = $_.imageUrl
    if ($url -and $url -notlike '*ALBUM*' -and $url -notlike '*.swf')
    {
        $filename = $_.createdDate + '_'
        if ($url -like '*%2f*')
        {
            $filename += (Split-Path $url -Leaf) -split '%2F' | select -last 1
        }
        else
        {
            $filename += (Split-Path $url -Leaf) -split '=' | select -last 1
            $filename += '.jpg'
        }
    
        $i = $url.LastIndexOf('/') + 1
        if ($url.Substring($i,3) -ne 'vm_' -and $url.Substring($i,4) -ne 'enc_')
        {
            $url = $url.Insert($i, 'vm_')
        }
        $url
        $wc.DownloadFile($url, "$outputPath$filename")
    }
}