Starline Track Downloader

$outerpath = "S:\Tracks\"
$email = 'example%40contoso.com' #example@contoso.com - decoded string
$pass = '12345%25zzz' #12345%zzz - decoded string

$uptodate = [datetime]::today #EndDate
$godate = Get-Date "2010-01-01" #StartDate

#$uptodate = Get-Date "2016-08-30"

$startdate = Get-Date "1970-01-01"
$login = Invoke-WebRequest 'https://starline-online.ru/user/login' -SessionVariable m1 -Method POST -Body ('LoginForm%5Blogin%5D='+$email+'&LoginForm%5BrememberMe%5D=off&LoginForm%5Bpass%5D='+$pass) -UseBasicParsing -UserAgent "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:100500.0) Gecko/20100101 Firefox/100500.0"

if (!($login.Content.Contains('"user_id":')) -and ($login.content.contains('"state":0')))
{
    Write-Host "incorrect login"
}
else
{
    $devices = Invoke-WebRequest 'https://starline-online.ru/device?tz=180' -Method GET -WebSession $m1 -UseBasicParsing -UserAgent "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:100500.0) Gecko/20100101 Firefox/100500.0"
    $dev = $devices.content | ConvertFrom-Json
    $devid = $dev.answer.devices[0].device_id

    if ($godate.year -ne 2010 -and $godate.month -ne 1) {Write-Host "Current year: $($godate.Year)`nCurrent month: $($godate.month)`nDays: " -NoNewline}

    $beginsecond = ($godate - $startdate).totalseconds
    for ($i = ($godate - $startdate).totalseconds; $i -lt ($uptodate - $startdate).totalseconds; $i += 86400)
    {
        $nowday = $startdate.AddSeconds($i)
        if ($nowday.Month -eq 1 -and $nowday.day -eq 1) {Write-Host;Write-Host "Current year: $($nowday.Year)" -NoNewline}
        if ($nowday.Day -eq 1) {Write-Host;Write-Host "Current month: $($nowday.month)`nDays: " -NoNewline}
        Write-Host "$($nowday.Day)" -NoNewline
        do
        {
            $Failed = $false
            try
            {
                sleep 3
                $getcurrentdaytrack = Invoke-WebRequest "https://starline-online.ru/device/$devid/route?beginTime=$($i)&endTime=$($i+86400)" -Method GET -WebSession $m1 -UseBasicParsing -UserAgent "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:100500.0) Gecko/20100101 Firefox/100500.0"
                $jsonparsed = $getcurrentdaytrack.content | convertfrom-json
                if ($jsonparsed.meta.mileage -gt 0)
                {
                    $curday = $outerpath + $nowday.ToString("yyyy_MM_dd")
                    if (!(Test-Path $curday)) {New-Item -Path $curday -ItemType Directory | Out-Null}
                    $allnodes = ($jsonparsed.data | ? {$_.type -eq "track"}).nodes
                    [xml]$doc = New-Object System.Xml.XmlDocument
                    $decl = $doc.CreateXmlDeclaration("1.0","UTF-8",$null)
                    $doc.AppendChild($decl) > $null
                    $gpxnode = $doc.CreateNode("element","gpx",$null)
                    $doc.appendchild($gpxnode) > $null
                    $gpxattr = $doc.CreateAttribute("version");$gpxattr.value = "1.0";$gpxnode.Attributes.Append($gpxattr) > $null
                    $gpxattr = $doc.CreateAttribute("creator");$gpxattr.value = "LeVoN-CCCP";$gpxnode.Attributes.Append($gpxattr) > $null
                    $gpxattr = $doc.CreateAttribute("xmlns:xsi");$gpxattr.value = "http://www.w3.org/2001/XMLSchema-instance";$gpxnode.Attributes.Append($gpxattr) > $null
                    $gpxattr = $doc.CreateAttribute("xmlns");$gpxattr.value = "http://www.topografix.com/GPX/1/0";$gpxnode.Attributes.Append($gpxattr) > $null
                    $gpxattr = $doc.CreateAttribute("xsi:schemaLocation");$gpxattr.value = "http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd";$gpxnode.Attributes.Append($gpxattr) > $null
                    $metadatanode = $doc.CreateNode("element","metadata",$null)
                    $gpxnode.AppendChild($metadatanode) > $null
                    $metatime = $doc.CreateNode("element","time",$null)
                    $metadatanode.appendchild($metatime) > $null
                    $trk = $doc.CreateNode("element","trk",$null)
                    $gpxnode.AppendChild($trk) > $null
                    $trkname = $doc.CreateNode("element","name",$null)
                    $trkname.InnerText = "Track 000"
                    $trk.AppendChild($trkname) > $null

                    $doctempl = $doc.clone()

                    $trkseg = $doc.CreateNode("element","trkseg",$null)
                    $trk.AppendChild($trkseg) > $null

                    $trkpttempl = $doc.CreateNode("element","trkpt",$null)
                    $lat = $doc.CreateAttribute("lat");$trkpttempl.Attributes.Append($lat) > $null
                    $lon = $doc.CreateAttribute("lon");$trkpttempl.Attributes.Append($lon) > $null
                    $ele = $doc.CreateNode("element","ele",$null)
                    $trkpttempl.appendchild($ele) > $null
                    $time = $doc.CreateNode("element","time",$null)
                    $trkpttempl.appendchild($time) > $null
                    $sat = $doc.CreateNode("element","sat",$null)
                    $trkpttempl.appendchild($sat) > $null

                    $metatime.innertext = $startdate.AddSeconds($allnodes[0].t).tostring("yyyy-MM-ddTHH:mm:ssZ")

                    foreach ($node in $allnodes)
                    {

                        $trkpt = $trkpttempl.clone()
                        $trkpt.lat = $node.x.tostring().replace(",",".")
                        $trkpt.lon = $node.y.tostring().replace(",",".")
                        $trkpt.ele = $node.z.tostring().replace(",",".")
                        $trkpt.time = $startdate.AddSeconds($node.t).tostring("yyyy-MM-ddTHH:mm:ssZ")
                        $trkpt.sat = $node.sat_qty.tostring()
                        $trkseg.AppendChild($trkpt) > $null
                    }

                    $begin = 0
                    $count = 0
                    for ($j = 0; $j -lt $doc.gpx.trk.trkseg.ChildNodes.count - 1; $j++)
                    {
                        if ((([datetime]$doc.gpx.trk.trkseg.ChildNodes[$j+1].time-[datetime]$doc.gpx.trk.trkseg.ChildNodes[$j].time).totalminutes -gt 3) -or ($j -eq ($doc.gpx.trk.trkseg.ChildNodes.count - 2)))
                        {
                            $curtrack = $doctempl.clone()
                            $curtrkseg = $curtrack.CreateNode("element","trkseg",$null)
                            $curtrack.gpx.trk.AppendChild($curtrkseg) > $null
                            $curtrack.gpx.metadata.time = $doc.gpx.trk.trkseg.ChildNodes[$begin].time
                            $curtrack.gpx.trk.name = "Track " + ("{0:D3}" -f $count)
                            for ($q = $begin; $q -le $j; $q++) {$curtrkseg.appendchild($curtrkseg.OwnerDocument.ImportNode($doc.gpx.trk.trkseg.ChildNodes[$q],$true)) > $null}
                            $begin = $j+1
                            $count += 1
                            $StringWriter = New-Object System.IO.StringWriter
                            $XmlWriter = New-Object System.XMl.XmlTextWriter $StringWriter
                            $xmlWriter.Formatting = "indented"
                            $xmlWriter.Indentation = 2
                            $curtrack.WriteContentTo($XmlWriter)
                            $XmlWriter.Flush()
                            $StringWriter.Flush()
                            set-content -value $StringWriter.ToString() -path "$($curday)\$(([datetime]$curtrack.gpx.metadata.time).tostring('yyyy-MM-dd HH_mm')).txt"
                        }
                    }
                }
            }
            catch {$Failed = $true;Write-Host -NoNewline " - restart"}
        } while ($Failed)
        Write-Host ";" -NoNewline
    }
}