Download all certificates from a Digicert account and save to current users downloads folder

download_all_digicerts.ps1

# Set to TLS1.2
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;
# Create Headers variable for API call
$headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
$headers.Add("X-DC-DEVKEY", 'api_key_here')
# Create array containing all order #'s
$ordersList = Invoke-RestMethod 'https://www.digicert.com/services/v2/order/certificate' -Headers $headers
$orderNumbers = @()
foreach ($order in $ordersList.orders) {
    $orderNumbers+=$order.id
}
# Loop through all orders and get array of cert id's.
$reissueCertIds = @()
$duplicateCertIds = @()
foreach ($order in $orderNumbers) {
    # Get all reissue cert id's
    $reissueList = Invoke-RestMethod "https://www.digicert.com/services/v2/order/certificate/$order/reissue" -Headers $headers
    foreach ($certId in $reissueList.certificates) {
        $reissueCertIds += $certId
    }
    # Get all duplicate cert id's
    $duplicateList = Invoke-RestMethod "https://www.digicert.com/services/v2/order/certificate/$order/duplicate" -Headers $headers
    foreach ($certId in $duplicateList.certificates) {
        $duplicateCertIds += $certId
    }
}
# Combine certIds to a single array
$certIds = $reissueCertIds + $duplicateCertIds
# Download certificates for all cert ids
foreach ($cid in $certIds){
    $url = "https://www.digicert.com/services/v2/certificate/" + $cid.id + "/download/format/pem_all"
    $filename = $cid.common_name + "_" + $cid.id + ".txt"
    if ($filename.Contains('*')){
        $wildcardFilename = $filename -replace [System.Text.RegularExpressions.Regex]::Escape('*'),'star'
        Invoke-RestMethod $url -Headers $headers | Out-File "$env:USERPROFILE\Downloads\$wildcardFilename"
    }
    else{
        Invoke-RestMethod $url -Headers $headers | Out-File "$env:USERPROFILE\Downloads\$filename"
    }
}