CRM/Import/DataSource/SQL.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.6                                                |
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   6  | Copyright CiviCRM LLC (c) 2004-2014                                |
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  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
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  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
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  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
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  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2014
  32  * $Id$
  33  *
  34  */
  35 class CRM_Import_DataSource_SQL extends CRM_Import_DataSource {
  36
  37   /**
  38    * Provides information about the data source
  39    *
  40    * @return array collection of info about this data source
  41    *
  42    *
  43    */
  44   public function getInfo() {
  45     return array('title' => ts('SQL Query'));
  46   }
  47
  48   /**
  49    * Set variables up before form is built
  50    *
  51    */
  52   public function preProcess(&$form) {
  53   }
  54
  55   /**
  56    * This is function is called by the form object to get the DataSource's
  57    * form snippet. It should add all fields necesarry to get the data
  58    * uploaded to the temporary table in the DB.
  59    *
  60    * @param CRM_Core_Form $form
  61    *
  62    * @return void (operates directly on form argument)
  63    */
  64   public function buildQuickForm(&$form) {
  65     $form->add('hidden', 'hidden_dataSource', 'CRM_Import_DataSource_SQL');
  66     $form->add('textarea', 'sqlQuery', ts('Specify SQL Query'), 'rows=10 cols=45', TRUE);
  67     $form->addFormRule(array('CRM_Import_DataSource_SQL', 'formRule'), $form);
  68   }
  69
  70   /**
  71    * @param $fields
  72    * @param $files
  73    * @param CRM_Core_Form $form
  74    *
  75    * @return array|bool
  76    */
  77   public static function formRule($fields, $files, $form) {
  78     $errors = array();
  79
  80     // poor man's query validation (case-insensitive regex matching on word boundaries)
  81     $forbidden = array('ALTER', 'CREATE', 'DELETE', 'DESCRIBE', 'DROP', 'SHOW', 'UPDATE', 'information_schema');
  82     foreach ($forbidden as $pattern) {
  83       if (preg_match("/\\b$pattern\\b/i", $fields['sqlQuery'])) {
  84         $errors['sqlQuery'] = ts('The query contains the forbidden %1 command.', array(1 => $pattern));
  85       }
  86     }
  87
  88     return $errors ? $errors : TRUE;
  89   }
  90
  91   /**
  92    * Process the form submission
  93    *
  94    */
  95   public function postProcess(&$params, &$db, &$form) {
  96     $importJob = new CRM_Contact_Import_ImportJob(
  97       CRM_Utils_Array::value('import_table_name', $params),
  98       $params['sqlQuery'], TRUE
  99     );
 100
 101     $form->set('importTableName', $importJob->getTableName());
 102   }
 103 }