printgcp.modules.php

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<?php
/*
 * Copyright (C) 2014-2019  Frédéric France      <frederic.france@netlogic.fr>
 *
 * 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/>.
 * or see https://www.gnu.org/
 */

include_once DOL_DOCUMENT_ROOT.'/core/modules/printing/modules_printing.php';
require_once DOL_DOCUMENT_ROOT.'/includes/OAuth/bootstrap.php';

use OAuth\Common\Storage\DoliStorage;
use OAuth\Common\Consumer\Credentials;
use OAuth\OAuth2\Service\Google;

class printing_printgcp extends PrintingDriver
{
  public $name = 'printgcp';

  public $desc = 'PrintGCPDesc';

  public $picto = 'printer';

  public $active = 'PRINTING_PRINTGCP';

  public $conf = array();

  public $google_id = '';

  public $google_secret = '';

  public $error = '';

  public $errors = array();

  public $db;

  private $OAUTH_SERVICENAME_GOOGLE = 'Google';

  const LOGIN_URL = 'https://accounts.google.com/o/oauth2/token';
  const PRINTERS_SEARCH_URL = 'https://www.google.com/cloudprint/search';
  const PRINTERS_GET_JOBS = 'https://www.google.com/cloudprint/jobs';
  const PRINT_URL = 'https://www.google.com/cloudprint/submit';
  const LANGFILE = 'printgcp';

  public function __construct($db)
  {
    global $conf, $langs, $dolibarr_main_url_root;

    // Define $urlwithroot
    $urlwithouturlroot = preg_replace('/'.preg_quote(DOL_URL_ROOT, '/').'$/i', '', trim($dolibarr_main_url_root));
    $urlwithroot = $urlwithouturlroot.DOL_URL_ROOT; // This is to use external domain name found into config file
    //$urlwithroot=DOL_MAIN_URL_ROOT;         // This is to use same domain name than current

    $this->db = $db;

    if (!$conf->oauth->enabled) {
      $this->conf[] = array(
        'varname'=>'PRINTGCP_INFO',
        'info'=>$langs->transnoentitiesnoconv("WarningModuleNotActive", "OAuth"),
        'type'=>'info',
      );
    } else {
      $this->google_id = getDolGlobalString('OAUTH_GOOGLE_ID');
      $this->google_secret = getDolGlobalString('OAUTH_GOOGLE_SECRET');
      // Token storage
      $storage = new DoliStorage($this->db, $this->conf);
      //$storage->clearToken($this->OAUTH_SERVICENAME_GOOGLE);
      // Setup the credentials for the requests
      $credentials = new Credentials(
        $this->google_id,
        $this->google_secret,
        $urlwithroot.'/core/modules/oauth/google_oauthcallback.php'
      );
      $access = ($storage->hasAccessToken($this->OAUTH_SERVICENAME_GOOGLE) ? 'HasAccessToken' : 'NoAccessToken');
      $serviceFactory = new \OAuth\ServiceFactory();
      $apiService = $serviceFactory->createService($this->OAUTH_SERVICENAME_GOOGLE, $credentials, $storage, array());
      $token_ok = true;
      try {
        $token = $storage->retrieveAccessToken($this->OAUTH_SERVICENAME_GOOGLE);
      } catch (Exception $e) {
        $this->errors[] = $e->getMessage();
        $token_ok = false;
      }
      //var_dump($this->errors);exit;

      $expire = false;
      // Is token expired or will token expire in the next 30 seconds
      if ($token_ok) {
        $expire = ($token->getEndOfLife() !== -9002 && $token->getEndOfLife() !== -9001 && time() > ($token->getEndOfLife() - 30));
      }

      // Token expired so we refresh it
      if ($token_ok && $expire) {
        try {
          // il faut sauvegarder le refresh token car google ne le donne qu'une seule fois
          $refreshtoken = $token->getRefreshToken();
          $token = $apiService->refreshAccessToken($token);
          $token->setRefreshToken($refreshtoken);
          $storage->storeAccessToken($this->OAUTH_SERVICENAME_GOOGLE, $token);
        } catch (Exception $e) {
          $this->errors[] = $e->getMessage();
        }
      }
      if ($this->google_id != '' && $this->google_secret != '') {
        $this->conf[] = array('varname'=>'PRINTGCP_INFO', 'info'=>'GoogleAuthConfigured', 'type'=>'info');
        $this->conf[] = array(
          'varname'=>'PRINTGCP_TOKEN_ACCESS',
          'info'=>$access,
          'type'=>'info',
          'renew'=>$urlwithroot.'/core/modules/oauth/google_oauthcallback.php?state=userinfo_email,userinfo_profile,cloud_print&backtourl='.urlencode(DOL_URL_ROOT.'/printing/admin/printing.php?mode=setup&driver=printgcp'),
          'delete'=>($storage->hasAccessToken($this->OAUTH_SERVICENAME_GOOGLE) ? $urlwithroot.'/core/modules/oauth/google_oauthcallback.php?action=delete&token='.newToken().'&backtourl='.urlencode(DOL_URL_ROOT.'/printing/admin/printing.php?mode=setup&driver=printgcp') : '')
        );
        if ($token_ok) {
          $expiredat = '';

          $refreshtoken = $token->getRefreshToken();

          $endoflife = $token->getEndOfLife();

          if ($endoflife == $token::EOL_NEVER_EXPIRES) {
            $expiredat = $langs->trans("Never");
          } elseif ($endoflife == $token::EOL_UNKNOWN) {
            $expiredat = $langs->trans("Unknown");
          } else {
            $expiredat = dol_print_date($endoflife, "dayhour");
          }

          $this->conf[] = array('varname'=>'TOKEN_REFRESH', 'info'=>((!empty($refreshtoken)) ? 'Yes' : 'No'), 'type'=>'info');
          $this->conf[] = array('varname'=>'TOKEN_EXPIRED', 'info'=>($expire ? 'Yes' : 'No'), 'type'=>'info');
          $this->conf[] = array('varname'=>'TOKEN_EXPIRE_AT', 'info'=>($expiredat), 'type'=>'info');
        }
        /*
        if ($storage->hasAccessToken($this->OAUTH_SERVICENAME_GOOGLE)) {
          $this->conf[] = array('varname'=>'PRINTGCP_AUTHLINK', 'link'=>$urlwithroot.'/core/modules/oauth/google_oauthcallback.php?backtourl='.urlencode(DOL_URL_ROOT.'/printing/admin/printing.php?mode=setup&driver=printgcp'), 'type'=>'authlink');
          $this->conf[] = array('varname'=>'DELETE_TOKEN', 'link'=>$urlwithroot.'/core/modules/oauth/google_oauthcallback.php?action=delete&token='.newToken().'&backtourl='.urlencode(DOL_URL_ROOT.'/printing/admin/printing.php?mode=setup&driver=printgcp'), 'type'=>'delete');
        } else {
          $this->conf[] = array('varname'=>'PRINTGCP_AUTHLINK', 'link'=>$urlwithroot.'/core/modules/oauth/google_oauthcallback.php?backtourl='.urlencode(DOL_URL_ROOT.'/printing/admin/printing.php?mode=setup&driver=printgcp'), 'type'=>'authlink');
        }*/
      } else {
        $this->conf[] = array('varname'=>'PRINTGCP_INFO', 'info'=>'GoogleAuthNotConfigured', 'type'=>'info');
      }
    }
    // do not display submit button
    $this->conf[] = array('enabled'=>0, 'type'=>'submit');
  }

  public function listAvailablePrinters()
  {
    global $conf, $langs;
    $error = 0;
    $langs->load('printing');

    $html = '<tr class="liste_titre">';
    $html .= '<td>'.$langs->trans('GCP_Name').'</td>';
    $html .= '<td>'.$langs->trans('GCP_displayName').'</td>';
    $html .= '<td>'.$langs->trans('GCP_Id').'</td>';
    $html .= '<td>'.$langs->trans('GCP_OwnerName').'</td>';
    $html .= '<td>'.$langs->trans('GCP_State').'</td>';
    $html .= '<td>'.$langs->trans('GCP_connectionStatus').'</td>';
    $html .= '<td>'.$langs->trans('GCP_Type').'</td>';
    $html .= '<td class="center">'.$langs->trans("Select").'</td>';
    $html .= '</tr>'."\n";
    $list = $this->getlistAvailablePrinters();
    //$html.= '<td><pre>'.print_r($list,true).'</pre></td>';
    foreach ($list['available'] as $printer_det) {
      $html .= '<tr class="oddeven">';
      $html .= '<td>'.$printer_det['name'].'</td>';
      $html .= '<td>'.$printer_det['displayName'].'</td>';
      $html .= '<td>'.$printer_det['id'].'</td>'; // id to identify printer to use
      $html .= '<td>'.$printer_det['ownerName'].'</td>';
      $html .= '<td>'.$printer_det['status'].'</td>';
      $html .= '<td>'.$langs->trans('STATE_'.$printer_det['connectionStatus']).'</td>';
      $html .= '<td>'.$langs->trans('TYPE_'.$printer_det['type']).'</td>';
      // Defaut
      $html .= '<td class="center">';
      if ($conf->global->PRINTING_GCP_DEFAULT == $printer_det['id']) {
        $html .= img_picto($langs->trans("Default"), 'on');
      } else {
        $html .= '<a href="'.$_SERVER["PHP_SELF"].'?action=setvalue&token='.newToken().'&mode=test&varname=PRINTING_GCP_DEFAULT&driver=printgcp&value='.urlencode($printer_det['id']).'" alt="'.$langs->trans("Default").'">'.img_picto($langs->trans("Disabled"), 'off').'</a>';
      }
      $html .= '</td>';
      $html .= '</tr>'."\n";
    }
    $this->resprint = $html;
    return $error;
  }


  public function getlistAvailablePrinters()
  {
    $ret = array();
    // Token storage
    $storage = new DoliStorage($this->db, $this->conf);
    // Setup the credentials for the requests
    $credentials = new Credentials(
      $this->google_id,
      $this->google_secret,
      DOL_MAIN_URL_ROOT.'/core/modules/oauth/google_oauthcallback.php'
    );
    $serviceFactory = new \OAuth\ServiceFactory();
    $apiService = $serviceFactory->createService($this->OAUTH_SERVICENAME_GOOGLE, $credentials, $storage, array());
    // Check if we have auth token
    $token_ok = true;
    try {
      $token = $storage->retrieveAccessToken($this->OAUTH_SERVICENAME_GOOGLE);
    } catch (Exception $e) {
      $this->errors[] = $e->getMessage();
      $token_ok = false;
    }
    $expire = false;
    // Is token expired or will token expire in the next 30 seconds
    if ($token_ok) {
      $expire = ($token->getEndOfLife() !== -9002 && $token->getEndOfLife() !== -9001 && time() > ($token->getEndOfLife() - 30));
    }

    // Token expired so we refresh it
    if ($token_ok && $expire) {
      try {
        // il faut sauvegarder le refresh token car google ne le donne qu'une seule fois
        $refreshtoken = $token->getRefreshToken();
        $token = $apiService->refreshAccessToken($token);
        $token->setRefreshToken($refreshtoken);
        $storage->storeAccessToken($this->OAUTH_SERVICENAME_GOOGLE, $token);
      } catch (Exception $e) {
        $this->errors[] = $e->getMessage();
      }
    }
    // Send a request with api
    try {
      $response = $apiService->request(self::PRINTERS_SEARCH_URL);
    } catch (Exception $e) {
      $this->errors[] = $e->getMessage();
      print '<pre>'.print_r($e->getMessage(), true).'</pre>';
    }
    //print '<tr><td><pre>'.print_r($response, true).'</pre></td></tr>';
    $responsedata = json_decode($response, true);
    $printers = $responsedata['printers'];
    // Check if we have printers?
    if (is_array($printers) && count($printers) == 0) {
      // We dont have printers so return blank array
      $ret['available'] = array();
    } else {
      // We have printers so returns printers as array
      $ret['available'] = $printers;
    }
    return $ret;
  }

  public function printFile($file, $module, $subdir = '')
  {
    require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';

    global $conf, $user;
    $error = 0;

    $fileprint = $conf->{$module}->dir_output;
    if ($subdir != '') {
      $fileprint .= '/'.$subdir;
    }
    $fileprint .= '/'.$file;
    $mimetype = dol_mimetype($fileprint);
    // select printer uri for module order, propal,...
    $sql = "SELECT rowid, printer_id, copy FROM ".MAIN_DB_PREFIX."printing WHERE module='".$this->db->escape($module)."' AND driver='printgcp' AND userid=".((int) $user->id);
    $result = $this->db->query($sql);
    if ($result) {
      $obj = $this->db->fetch_object($result);
      if ($obj) {
        $printer_id = $obj->printer_id;
      } else {
        if (!empty($conf->global->PRINTING_GCP_DEFAULT)) {
          $printer_id = $conf->global->PRINTING_GCP_DEFAULT;
        } else {
          $this->errors[] = 'NoDefaultPrinterDefined';
          $error++;
          return $error;
        }
      }
    } else {
      dol_print_error($this->db);
    }

    $ret = $this->sendPrintToPrinter($printer_id, $file, $fileprint, $mimetype);
    $this->error = 'PRINTGCP: '.$ret['errormessage'];
    if ($ret['status'] != 1) {
      $error++;
    }
    return $error;
  }

  public function sendPrintToPrinter($printerid, $printjobtitle, $filepath, $contenttype)
  {
    // Check if printer id
    if (empty($printerid)) {
      return array('status' =>0, 'errorcode' =>'', 'errormessage'=>'No provided printer ID');
    }
    // Open the file which needs to be print
    $handle = fopen($filepath, "rb");
    if (!$handle) {
      return array('status' =>0, 'errorcode' =>'', 'errormessage'=>'Could not read the file.');
    }
    // Read file content
    $contents = fread($handle, filesize($filepath));
    fclose($handle);
    // Prepare post fields for sending print
    $post_fields = array(
      'printerid' => $printerid,
      'title' => $printjobtitle,
      'contentTransferEncoding' => 'base64',
      'content' => base64_encode($contents), // encode file content as base64
      'contentType' => $contenttype,
    );
    // Dolibarr Token storage
    $storage = new DoliStorage($this->db, $this->conf);
    // Setup the credentials for the requests
    $credentials = new Credentials(
      $this->google_id,
      $this->google_secret,
      DOL_MAIN_URL_ROOT.'/core/modules/oauth/google_oauthcallback.php?service=google'
    );
    $serviceFactory = new \OAuth\ServiceFactory();
    $apiService = $serviceFactory->createService($this->OAUTH_SERVICENAME_GOOGLE, $credentials, $storage, array());

    // Check if we have auth token and refresh it
    $token_ok = true;
    try {
      $token = $storage->retrieveAccessToken($this->OAUTH_SERVICENAME_GOOGLE);
    } catch (Exception $e) {
      $this->errors[] = $e->getMessage();
      $token_ok = false;
    }
    if ($token_ok) {
      try {
        // il faut sauvegarder le refresh token car google ne le donne qu'une seule fois
        $refreshtoken = $token->getRefreshToken();
        $token = $apiService->refreshAccessToken($token);
        $token->setRefreshToken($refreshtoken);
        $storage->storeAccessToken($this->OAUTH_SERVICENAME_GOOGLE, $token);
      } catch (Exception $e) {
        $this->errors[] = $e->getMessage();
      }
    }

    // Send a request with api
    $response = json_decode($apiService->request(self::PRINT_URL, 'POST', $post_fields), true);
    //print '<tr><td><pre>'.print_r($response, true).'</pre></td></tr>';
    return array('status' => $response['success'], 'errorcode' => $response['errorCode'], 'errormessage' => $response['message']);
  }


  public function listJobs()
  {
    global $conf, $langs;

    $error = 0;
    $html = '';
    // Token storage
    $storage = new DoliStorage($this->db, $this->conf);
    // Setup the credentials for the requests
    $credentials = new Credentials(
      $this->google_id,
      $this->google_secret,
      DOL_MAIN_URL_ROOT.'/core/modules/oauth/google_oauthcallback.php'
    );
    $serviceFactory = new \OAuth\ServiceFactory();
    $apiService = $serviceFactory->createService($this->OAUTH_SERVICENAME_GOOGLE, $credentials, $storage, array());
    // Check if we have auth token
    $token_ok = true;
    try {
      $token = $storage->retrieveAccessToken($this->OAUTH_SERVICENAME_GOOGLE);
    } catch (Exception $e) {
      $this->errors[] = $e->getMessage();
      $token_ok = false;
      $error++;
    }
    $expire = false;
    // Is token expired or will token expire in the next 30 seconds
    if ($token_ok) {
      $expire = ($token->getEndOfLife() !== -9002 && $token->getEndOfLife() !== -9001 && time() > ($token->getEndOfLife() - 30));
    }

    // Token expired so we refresh it
    if ($token_ok && $expire) {
      try {
        // il faut sauvegarder le refresh token car google ne le donne qu'une seule fois
        $refreshtoken = $token->getRefreshToken();
        $token = $apiService->refreshAccessToken($token);
        $token->setRefreshToken($refreshtoken);
        $storage->storeAccessToken($this->OAUTH_SERVICENAME_GOOGLE, $token);
      } catch (Exception $e) {
        $this->errors[] = $e->getMessage();
        $error++;
      }
    }
    // Getting Jobs
    // Send a request with api
    try {
      $response = $apiService->request(self::PRINTERS_GET_JOBS);
    } catch (Exception $e) {
      $this->errors[] = $e->getMessage();
      $error++;
    }
    $responsedata = json_decode($response, true);
    //$html .= '<pre>'.print_r($responsedata,true).'</pre>';
    $html .= '<div class="div-table-responsive">';
    $html .= '<table width="100%" class="noborder">';
    $html .= '<tr class="liste_titre">';
    $html .= '<td>'.$langs->trans("Id").'</td>';
    $html .= '<td>'.$langs->trans("Date").'</td>';
    $html .= '<td>'.$langs->trans("Owner").'</td>';
    $html .= '<td>'.$langs->trans("Printer").'</td>';
    $html .= '<td>'.$langs->trans("Filename").'</td>';
    $html .= '<td>'.$langs->trans("Status").'</td>';
    $html .= '<td>'.$langs->trans("Cancel").'</td>';
    $html .= '</tr>'."\n";

    $jobs = $responsedata['jobs'];
    //$html .= '<pre>'.print_r($jobs['0'],true).'</pre>';
    if (is_array($jobs)) {
      foreach ($jobs as $value) {
        $html .= '<tr class="oddeven">';
        $html .= '<td>'.$value['id'].'</td>';
        $dates = dol_print_date((int) substr($value['createTime'], 0, 10), 'dayhour');
        $html .= '<td>'.$dates.'</td>';
        $html .= '<td>'.$value['ownerId'].'</td>';
        $html .= '<td>'.$value['printerName'].'</td>';
        $html .= '<td>'.$value['title'].'</td>';
        $html .= '<td>'.$value['status'].'</td>';
        $html .= '<td>&nbsp;</td>';
        $html .= '</tr>';
      }
    } else {
        $html .= '<tr class="oddeven">';
        $html .= '<td colspan="7" class="opacitymedium">'.$langs->trans("None").'</td>';
        $html .= '</tr>';
    }
    $html .= '</table>';
    $html .= '</div>';

    $this->resprint = $html;

    return $error;
  }
}