function Get-ScriptDirectory
{
#Determine the folder in which the script lives.
$Invocation = (Get-Variable MyInvocation -Scope 1).Value
Split-Path $Invocation.MyCommand.Path
}
#[string]$CRLF
#needed to find the location of the script.
$scriptPath = Get-ScriptDirectory
[String]$scriptCurrentDateTime = Get-Date -format "yyyyMMddHHmmss"
$headers = @{
'X-Auth-Key' = '<auth-key>';
'X-Auth-Email' = '<email>';
'Content-Type' = 'application/json'
}
[string]$urlRequest = 'https://api.smscompanyurl.com/api-adv.php?';
[string]$smsUsername = '<username>';
[string]$smsPassword = '<password>';
[string]$smsNumbers = '<phonenumber1>,<phonenumber2>,<phonenumber3>';
[string]$smsFrom = '<Company Name>';
[string]$smsMessage = [uri]::EscapeDataString('Office IP Address has changed. Attempting auto update.');
$ZoneRecords = @(
'temp.contoso.com',
'tempytemp.contoso.com'
)
[string]$Zone = 'contoso.com';
[string]$cloudFlareApiBaseUrl = 'https://api.cloudflare.com/client/v4';
[string]$public_IP='';
[string]$public_IP='';
# Get Zone ID from cloudflare
try
{
$request = Invoke-WebRequest -Uri "${cloudFlareApiBaseUrl}/zones/?name=${Zone}" -Method 'GET' -Headers $headers
}
catch
{
$MyError = $_
Throw $MyError
}
$zoneId = $(ConvertFrom-Json $request.Content).result[0].id
#Lookup external ip
try
{
$public_IP = (Invoke-RestMethod https://api.ipify.org?format=json).ip.trim()
}
catch
{
$MyError = $_
Throw $MyError
}
Foreach ($Element IN $ZoneRecords) {
#GET record info from cloudflare
#$RecordVPNweb = Invoke-WebRequest -Uri "${cloudFlareApiBaseUrl}/zones/${ZoneId}/dns_records/?name=${Element}" -Method 'GET' -Headers $headers
try
{
$RecordVPN = Invoke-RestMethod -Uri "${cloudFlareApiBaseUrl}/zones/${ZoneId}/dns_records/?name=${Element}" -Method 'GET' -Headers $headers -ContentType 'application/json'
}
catch
{
$MyError = $_
Throw $MyError
}
#When using webrequest need to convert from jason
#$RecordVPN_ID = $(ConvertFrom-Json $RecordVPN.Content).result[0].id
#$RecordVPN_IP = $(ConvertFrom-Json $RecordVPN.Content).result[0].content
$RecordVPN_ID = $RecordVPN.result[0].id
$RecordVPN_IP = $RecordVPN.result[0].content
if ($RecordVPN_IP -ne $public_IP) {
$smsMessage = $smsMessage + [uri]::EscapeDataString("Changing from $RecordVPN_IP to new $public_IP");
$queryString = "username=$smsUsername&password=${smsPassword}&to=${smsNumbers}&from=${smsFrom}&message=${smsMessage}";
${urlRequest}+${queryString}
[string]$textfileName = "$scriptPath\IPChanged$scriptCurrentDateTime.txt"
try
{
#send sms
[String]$scriptIPChangeDateTime = Get-Date -format "yyyy-MM-dd HHmmss"
[string]$textfileContent = "IP Change attempted at $scriptIPChangeDateTime : ${urlRequest}+${queryString}"
out-file -filepath $textfileName -inputobject $textfileContent -encoding ASCII
Invoke-RestMethod -Uri "${urlRequest}+${queryString}" -Method 'GET';
}
catch
{
$MyError = $_
Throw $MyError
}
$Data = @{
'id' = "${RecordVPN_ID}";
'type' = 'A';
'name' = "${Element}";
'content' = "${public_IP}";
}
# If it exists, UPDATE (PUT), if not, CREATE (POST)
[string]$method = 'PUT';
if ($RecordVPN.result.Count -eq 0) {
$method = 'POST';
$Data.Remove('id');
}
$DataJson = ConvertTo-Json $Data
try
{
$JSONResponse = Invoke-RestMethod -Uri "${cloudFlareApiBaseUrl}/zones/${ZoneId}/dns_records/${RecordVPN_ID}/" -Headers $Headers -Body $DataJson -Method "${method}" -ContentType 'application/json' -ErrorAction Stop
}
catch
{
$MyError = $_
Throw $MyError
}
}
}
