Functions/Get-SslCertificateBinding.ps1

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

function Get-SslCertificateBinding
{
    <#
    .SYNOPSIS
    Gets the SSL certificate bindings on this computer.
    
    .DESCRIPTION
    Windows binds SSL certificates to an IP addresses/port combination. This function gets all the SSL bindings on this computer, or a binding for a specific IP/port, or $null if one doesn't exist. The bindings are returned as `Carbon.Certificates.SslCertificateBinding` objects.
     
    .OUTPUTS
    Carbon.Certificates.SslCertificateBinding.
 
    .EXAMPLE
    > Get-SslCertificateBinding
     
    Gets all the SSL certificate bindings on the local computer.
 
    .EXAMPLE
    > Get-SslCertificateBinding -IPAddress 42.37.80.47 -Port 443
    
    Gets the SSL certificate bound to 42.37.80.47, port 443.
    
    .EXAMPLE
    > Get-SslCertificateBinding -Port 443
    
    Gets the default SSL certificate bound to ALL the computer's IP addresses on port 443.
    #>

    [CmdletBinding()]
    [OutputType([Carbon.Certificates.SslCertificateBinding])]
    param(
        [IPAddress]
        # The IP address whose certificate(s) to get. Should be in the form IP:port. Optional.
        $IPAddress,
        
        [UInt16]
        # The port whose certificate(s) to get. Optional.
        $Port
    )
   
    Set-StrictMode -Version 'Latest'
    Use-CallerPreference -Cmdlet $PSCmdlet -Session $ExecutionContext.SessionState
    
    [Carbon.Certificates.SslCertificateBinding]::GetSslCertificateBindings() |
        Where-Object {
            if( $IPAddress )
            {
                $_.IPAddress -eq $IPAddress
            }
            else
            {
                return $true
            }
        } |
        Where-Object {
            if( $Port )
            {
                $_.Port -eq $Port
            }
            else
            {
                return $true
            }
        }
    
}

Set-Alias -Name 'Get-SslCertificateBindings' -Value 'Get-SslCertificateBinding'