PHP - Devolens (formerly Cryptolens) Documentation

The repository with all the code is available at https://github.com/Cryptolens/cryptolens-php

Code example

<?php
require_once('Cryptolens.php');

$activate = cryptolens_activate(
      // Access token
      'WyI0NjUiLCJBWTBGTlQwZm9WV0FyVnZzMEV1Mm9LOHJmRDZ1SjF0Vk52WTU0VzB2Il0='
      // Product Id
    , 3646
      // License Key
    , 'MPDWY-PQAOW-FKSCH-SGAAU'
      // Machine code
    , '289jf2afs3'
    );

// $activate is now a boolean indicating if the activation attempt was successful or not

?>

The code above uses our testing access token, product id, license key and machine code. In a real values for you can be obtained as follows:

Access tokens can be created at https://app.cryptolens.io/User/AccessToken (remember to check ‘Activate’ and keep everything else unchanged)
The product id is found by selecting the relevant product from the list of products (https://app.cryptolens.io/Product), and then the product id is found above the list of keys.
The license key would be obtained from the user in an application dependant way.
Currently the PHP library does not compute the machine code, either the machine code can be computed by the application, or a dummy value can be used. In a future release the library itself will compute the machine code.

Cryptolens.php

<?php

function cryptolens_activate($token, $product_id, $key, $machine_code)
{
  $params = 
    array(
        'token' => $token
      , 'ProductId' => $product_id
      , 'Key' => $key
      , 'Sign' => 'True'
      , 'MachineCode' => $machine_code
      , 'SignMethod' => 1
      , 'v' => 1
      );
  $postfields = '';
  $first = TRUE;
  foreach ($params as $i => $x) {
    if ($first) { $first = FALSE; } else { $postfields .= '&'; }

    $postfields .= urlencode($i);
    $postfields .= '=';
    $postfields .= urlencode($x);
  }
  unset($i, $x);

  $curl = curl_init();
  curl_setopt_array($curl, array(
      CURLOPT_RETURNTRANSFER => 1
    , CURLOPT_URL => 'https://app.cryptolens.io/api/key/Activate'
    , CURLOPT_POST => 1
    , CURLOPT_POSTFIELDS => $postfields
  ));
  $result = curl_exec($curl);
  curl_close($curl);

  $resp = json_decode($result);
  if ( is_null($resp)
    || !property_exists($resp, 'message')
    || $resp->{'message'} !== ''
    || !property_exists($resp, 'licenseKey')
    || !property_exists($resp, 'signature')
     )
  {
    return FALSE;
  }

  $license_key_string = base64_decode($resp->{'licenseKey'});
  if (!$license_key_string) { return FALSE; }

  $license_key = json_decode($license_key_string);
  if ( is_null($license_key)
    || !property_exists($license_key, 'ProductId')
    || !is_int($license_key->{'ProductId'})
    || !property_exists($license_key, 'Key')
    || !is_string($license_key->{'Key'})
    || !property_exists($license_key, 'Expires')
    || !is_int($license_key->{'Expires'})
    || !property_exists($license_key, 'ActivatedMachines')
    //|| !is_iterable($license_key->{'ActivatedMachines'})
     )
  {
    return FALSE;
  }

  if ( $license_key->{'ProductId'} !== $product_id
    || $license_key->{'Key'} !== $key
     )
  {
    return FALSE;
  }

  $machine_found = FALSE;
  foreach ($license_key->{'ActivatedMachines'} as $machine) {
    if (!property_exists($machine, 'Mid'))
    {
      return FALSE;
    }

    if ($machine->{'Mid'} == $machine_code) { $machine_found = TRUE; }
  }
  unset($machine);
  if (!$machine_found) { return FALSE; }

  $time = time();
  if ($license_key->{'Expires'} < $time) { return FALSE; }

  return TRUE;
}

?>

​Code example

Code example