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October 29, 2019 02:07
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DNS01 script for Cloundflare and [PKISharp/win-acme](https://github.com/PKISharp/win-acme)
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param( | |
[Parameter(Mandatory = $false, Position = 0)] | |
[ValidateSet("create", "delete")] | |
[string] | |
$Operation = "create", | |
[Parameter(Mandatory = $true, Position = 1)] | |
[String] | |
$RecordName, | |
[Parameter(Mandatory = $true, Position = 2)] | |
[String] | |
$Token, | |
[Parameter(Mandatory = $true, Position = 3, HelpMessage = "Email address associated with your Cloudflare account")] | |
[String] | |
$Email, | |
[Parameter(Mandatory = $true, Position = 4, HelpMessage = "API key generated on Cloudflare's `"My Account`" page")] | |
[String] | |
$Key | |
) | |
[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12 | |
Add-Type -AssemblyName System.Web | |
$ApiBaseUri = "https://api.cloudflare.com/client/v4/" | |
$AuthenticationHeaders = @{'X-Auth-Key' = $Key; 'X-Auth-Email' = $Email } | |
function Find-Record { | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory = $true)] | |
[string] | |
$ZoneId, | |
[Parameter(Mandatory = $true)] | |
[string] | |
$RecordName, | |
[Parameter(Mandatory = $false)] | |
[string] | |
$RecordType = "TXT", | |
[Parameter(Mandatory = $false)] | |
[string] | |
$Content = "" | |
) | |
$Uri = "${ApiBaseUri}zones/${ZoneId}/dns_records?type=$([System.Web.HttpUtility]::UrlEncode($RecordType))&name=$([System.Web.HttpUtility]::UrlEncode($RecordName))" | |
if ($Content -ne "") { | |
$Uri += "&content=$([System.Web.HttpUtility]::UrlEncode($Content))" | |
} | |
$Response = Invoke-RestMethod -Uri $Uri -Headers $AuthenticationHeaders -ContentType "application/json" | |
if (!$Response.success) { | |
throw @{Message = "Query failed"; Response = $Response } | |
} | |
return $Response.result | |
} | |
function Find-Zone { | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory = $false, Position = 0)] | |
[string] | |
$RecordName = "" | |
) | |
while ($RecordName -match "\.") { | |
$Response = Invoke-RestMethod -Uri "${ApiBaseUri}zones?name=$([System.Web.HttpUtility]::UrlEncode($RecordName))" -Headers $AuthenticationHeaders -ContentType "application/json" -Method "GET" | |
if (!$Response.success) { | |
throw @{Message = "Query failed"; Response = $Response } | |
} | |
if ($Response.result.Count -gt 0) { | |
return $Response.result | |
} | |
else { | |
$RecordName = $RecordName -replace "^[^.]*\.", "" | |
} | |
} | |
return @() | |
} | |
function Remove-Record { | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory = $true)] | |
[string] | |
$ZoneId, | |
[Parameter(Mandatory = $true)] | |
[string] | |
$RecordId | |
) | |
$Response = Invoke-RestMethod -Uri "${ApiBaseUri}zones/${ZoneId}/dns_records/${RecordId}" -Headers $AuthenticationHeaders -ContentType "application/json" -Method DELETE | |
return $Response.result | |
} | |
function New-Record { | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory = $true)] | |
[string] | |
$ZoneId, | |
[Parameter(Mandatory = $true)] | |
[string] | |
$RecordName, | |
[Parameter(Mandatory = $false)] | |
[string] | |
$RecordType = "TXT", | |
[Parameter(Mandatory = $false)] | |
[string] | |
$Content = "" | |
) | |
$Response = Invoke-RestMethod -Uri "${ApiBaseUri}zones/${ZoneId}/dns_records" -Headers $AuthenticationHeaders -ContentType "application/json" -Method 'POST' -Body (@{type = $RecordType; name = $RecordName; content = $Content } | ConvertTo-Json) | |
if (!$Response.success) { | |
throw @{Message = "Creation failed"; Response = $Response } | |
} | |
} | |
$ZoneId = (Find-Zone -RecordName $RecordName)[0].id | |
$ExistingRecords = @(Find-Record -ZoneId $ZoneId -RecordName $RecordName -Content $Token) | |
switch ($Operation.ToLower()) { | |
"delete" { | |
if ($ExistingRecords.Count -gt 0) { | |
ForEach-Object -InputObject $ExistingRecords { Remove-Record -ZoneId $ZoneId -RecordId $_.id } | Out-Null | |
} | |
} | |
Default { | |
if ($ExistingRecords.Count -lt 1) { | |
New-Record -ZoneId $ZoneId -RecordName $RecordName -Content $Token | |
} | |
Start-Sleep 15 | |
} | |
} |
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