Public/Get-RDAP.ps1
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.SYNOPSIS Get-RDAP is a PowerShell cmdlet which retrieves RDAP information via the RDAP.org API. .DESCRIPTION Get-RDAP is a PowerShell cmdlet which retrieves RDAP information via the RDAP.org API. RDAP (Registration Data Access Protocol) is an IETF standard for querying registration data for domain names, IP addresses, and autonomous system numbers. RDAP is intended to replace the WHOIS protocol. RDAP.org is a free RDAP service provided by the Internet Systems Consortium (ISC). For more information on RDAP, see https://rdap.org. .EXAMPLE Get-RDAP -Domain example.com Retrieves RDAP information for the domain example.com. .EXAMPLE Get-RDAP -IPAddress 8.8.8.8 Retrieves RDAP information for the IP address .EXAMPLE Get-RDAP -AutonomousSystemNumber 15169 Retrieves RDAP information for the autonomous system number 15169. .LINK https://github.com/RobBiddle/Get-RDAP .NOTES Author: Robert D. Biddle Date: 2024-09-25 Get-RDAP - PowerShell Module to lookup RDAP information for a domain name. Copyright (C) 2024 Robert D. Biddle This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. .PARAMETER Domain The domain name for which to retrieve RDAP information. .PARAMETER IPAddress The IP address for which to retrieve RDAP information. .PARAMETER AutonomousSystemNumber The autonomous system number for which to retrieve RDAP information. .PARAMETER Entity The entity identifier for which to retrieve RDAP information. .OUTPUTS Selected.System.Management.Automation.PSCustomObject #> function Get-RDAP { [CmdletBinding(DefaultParameterSetName='Domain')] param ( [Parameter(Mandatory=$true, ParameterSetName='Domain')] [ValidatePattern('^[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$')] [string]$Domain, [Parameter(Mandatory=$true, ParameterSetName='IP')] [ValidatePattern('^(\d{1,3}\.){3}\d{1,3}$')] [string]$IPAddress, [Parameter(Mandatory=$true, ParameterSetName='Autnum')] [ValidatePattern('^\d+$')] [string]$AutonomousSystemNumber, [Parameter(Mandatory=$true, ParameterSetName='Entity')] [ValidatePattern('^[a-zA-Z0-9]+$')] [string]$Entity ) # Determine the object based on the parameter set switch ($PSCmdlet.ParameterSetName) { 'Domain' { $Object = $Domain } 'IP' { $Object = $IPAddress } 'Autnum' { $Object = $AutonomousSystemNumber } 'Entity' { $Object = $Entity } } # Determine the type based on the parameter set switch ($PSCmdlet.ParameterSetName) { 'Domain' { $Type = 'domain' } 'IP' { $Type = 'ip' } 'Autnum' { $Type = 'autnum' } 'Entity' { $Type = 'entity' } } # Construct the RDAP URL $Url = "https://rdap.org/$Type/$Object" # Send the HTTP request $Response = Invoke-RestMethod -Uri $Url # Return the response $Response } |