pdfparser.install

<?php

/**
 * @file
 * Install and uninstall functions for the pdfparser module.
 *
 */
//function pdfparser_schema() {
//  $schema['pdfparser_journal'] = array(
//    'description' => 'The base table for holding pdf contents.',
//    'fields' => array(
//      'id' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
//      'pdf_name' => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE),
//      'upload_date' => array('type' => 'datetime', 'mysql_type' => 'DATETIME', 'not null' => TRUE),
//      'owner' => array('type' => 'int', 'unsigned' => TRUE),
//      'title' => array('type' => 'varchar', 'length' => 224, 'not null' => TRUE),
//      'pdf_length' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE),
//    ),
//    'unique keys' => array(
//      'pdf_name' => array('pdf_name'),
//      'journal' => array('title', 'pdf_length'),
//    ),
//    'foreign keys' => array(
//      'owner' => array(
//        'table' => 'users',
//        'columns' => 'uid',
//      ),
//    ),
//    'primary key' => array('id'),
//  );
//
//  $schema['pdfparser_authors'] = array(
//    'description' => 'Holds all authors for journal',
//    'fields' => array(
//      'id' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
//      'name' => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE),
//      'insert_date' => array('type' => 'datetime', 'mysql_type' => 'DATETIME', 'not null' => TRUE),
//      'inserter' => array('type' => 'int', 'unsigned' => TRUE),
//    ),
//    'unique keys' => array(
//      'name' => array('name')
//    ),
//    'foreign keys' => array(
//      'inserter' => array(
//        'table' => 'users',
//        'columns' => 'uid',
//      ),
//    ),
//    'primary key' => array('id'),
//
//  );
//  return $schema;
//}

function pdfparser_install() {
  variable_set('pdfparser_server_url', 'http://rgai.inf.u-szeged.hu/~kojak/parser_server/');
  // setting variables, creating folders
  $public_uri = FALSE;
  if ($wrapper = file_stream_wrapper_get_instance_by_uri('public://')) {
    $public_uri = $wrapper->realpath();
  }
  if ($public_uri === FALSE) {
    drupal_set_message(st('Error at PDF Parser installation. Public URI is FALSE.'), 'error');
    return;
  }

  // $main_path = getcwd() . '/sites/default/files/pdfparser/';
  $main_path = '/pdfparser/';
  variable_set('pdfparser_main_path', $main_path);
  if (!is_dir($public_uri . $main_path)) {
    drupal_mkdir($public_uri . $main_path, 0777);
  }

//  $pdf_path = $main_path . 'pdfs/';
//  variable_set('pdfparser_pdf_path', $pdf_path);
//  if (!is_dir($public_uri . $pdf_path)) {
//    drupal_mkdir($public_uri . $pdf_path, 0777);
//  }

  $public_key_path = $main_path . 'public_key/';
  variable_set('pdfparser_public_key_path', $public_key_path);
  if (!is_dir($public_uri . $public_key_path)) {
    drupal_mkdir($public_uri . $public_key_path, 0777);
  }

  $parsed_pdf_path = $main_path . 'parsed_pdfs/';
  variable_set('pdfparser_parsed_pdf_path', $parsed_pdf_path);
  if (!is_dir($public_uri . $parsed_pdf_path)) {
    drupal_mkdir($public_uri . $parsed_pdf_path, 0777);
  }

  // generating keys
  $res = openssl_pkey_new();
  openssl_pkey_export($res, $private_key);
  $public_key = openssl_pkey_get_details($res);
  $public_key = $public_key['key'];
  variable_set('pdfparser_private_key', $private_key);
  file_put_contents($public_uri . $public_key_path . 'public_key', $public_key);
}

function pdfparser_uninstall() {
//  drupal_uninstall_schema('pdfparser_journal');
//  drupal_uninstall_schema('pdfparser_authors');
  $path = variable_get('pdfparser_main_path');
  $public_uri = FALSE;
  if ($wrapper = file_stream_wrapper_get_instance_by_uri('public://')) {
    $public_uri = $wrapper->realpath();
  }
  if ($public_uri === FALSE) {
    drupal_set_message(t('Error at PDF Parser uninstallation. Public URI is FALSE.'), 'error');
    return;
  }
  _rrmdir($public_uri . $path);
  variable_del('pdfparser_main_path');
//  variable_del('pdfparser_pdf_path');
  variable_del('pdfparser_parsed_pdf_path');
  variable_del('pdfparser_public_key_path');
  variable_del('pdfparser_private_key');
  variable_del('pdfparser_server_url');
}

function _rrmdir($dir) {
  if (strpos($dir, "/") !== drupal_strlen($dir) - 1) {
    $dir .= "/";
  }
  foreach (glob($dir . '*') as $file) {
    if (is_dir($file)) {
      _rrmdir($file);
    }
    else {
      drupal_unlink($file);
    }
  }
  drupal_rmdir($dir);
}