api/v3/System.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.6                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2015                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  * This api exposes CiviCRM system functionality.
  30  *
  31  * Includes caching, logging, and checking system functionality.
  32  *
  33  * @package CiviCRM_APIv3
  34  */
  35
  36 /**
  37  * Flush all system caches.
  38  *
  39  * @param array $params
  40  *   Input parameters.
  41  *   - triggers: bool, whether to drop/create SQL triggers; default: FALSE
  42  *   - session:  bool, whether to reset the CiviCRM session data; default: FALSE
  43  *
  44  * @return array
  45  */
  46 function civicrm_api3_system_flush($params) {
  47   CRM_Core_Invoke::rebuildMenuAndCaches(
  48     CRM_Utils_Array::value('triggers', $params, FALSE),
  49     CRM_Utils_Array::value('session', $params, FALSE)
  50   );
  51   return civicrm_api3_create_success();
  52 }
  53
  54 /**
  55  * Adjust Metadata for Flush action.
  56  *
  57  * The metadata is used for setting defaults, documentation & validation.
  58  *
  59  * @param array $params
  60  *   Array of parameters determined by getfields.
  61  */
  62 function _civicrm_api3_system_flush_spec(&$params) {
  63   $params['triggers'] = array(
  64     'title' => 'Triggers',
  65     'description' => 'rebuild triggers (boolean)',
  66     'type' => CRM_Utils_Type::T_BOOLEAN,
  67   );
  68   $params['session'] = array(
  69     'title' => 'Sessions',
  70     'description' => 'refresh sessions (boolean)',
  71     'type' => CRM_Utils_Type::T_BOOLEAN,
  72   );
  73 }
  74
  75 /**
  76  * System.Check API specification (optional).
  77  *
  78  * This is used for documentation and validation.
  79  *
  80  * @param array $spec
  81  *   Description of fields supported by this API call.
  82  *
  83  * @see http://wiki.civicrm.org/confluence/display/CRM/API+Architecture+Standards
  84  */
  85 function _civicrm_api3_system_check_spec(&$spec) {
  86   // $spec['magicword']['api.required'] = 1;
  87 }
  88
  89 /**
  90  * System Check API.
  91  *
  92  * @param array $params
  93  *
  94  * @return array
  95  *   API result descriptor; return items are alert codes/messages
  96  * @see civicrm_api3_create_success
  97  * @see civicrm_api3_create_error
  98  * @throws API_Exception
  99  */
 100 function civicrm_api3_system_check($params) {
 101   $returnValues = array();
 102   foreach (CRM_Utils_Check::singleton()->checkAll() as $message) {
 103     $returnValues[] = $message->toArray();
 104   }
 105
 106   // Spec: civicrm_api3_create_success($values = 1, $params = array(), $entity = NULL, $action = NULL)
 107   return civicrm_api3_create_success($returnValues, $params, 'System', 'Check');
 108 }
 109
 110 /**
 111  * Log entry to system log table.
 112  *
 113  * @param array $params
 114  *
 115  * @return array
 116  */
 117 function civicrm_api3_system_log($params) {
 118   $log = new CRM_Utils_SystemLogger();
 119   // This part means fields with separate db storage are accepted as params which kind of seems more intuitive to me
 120   // because I felt like not doing this required a bunch of explanation in the spec function - but perhaps other won't see it as helpful?
 121   if (!isset($params['context'])) {
 122     $params['context'] = array();
 123   }
 124   $specialFields = array('contact_id', 'hostname');
 125   foreach ($specialFields as $specialField) {
 126     if (isset($params[$specialField]) && !isset($params['context'])) {
 127       $params['context'][$specialField] = $params[$specialField];
 128     }
 129   }
 130   $returnValues = $log->log($params['level'], $params['message'], $params['context']);
 131   return civicrm_api3_create_success($returnValues, $params, 'System', 'Log');
 132 }
 133
 134 /**
 135  * Metadata for log function.
 136  *
 137  * @param array $params
 138  */
 139 function _civicrm_api3_system_log_spec(&$params) {
 140   $params['level'] = array(
 141     'title' => 'Log Level',
 142     'description' => 'Log level as described in PSR3 (info, debug, warning etc)',
 143     'type' => CRM_Utils_Type::T_STRING,
 144     'api.required' => TRUE,
 145   );
 146   $params['message'] = array(
 147     'title' => 'Log Message',
 148     'description' => 'Standardised message string, you can also ',
 149     'type' => CRM_Utils_Type::T_STRING,
 150     'api.required' => TRUE,
 151   );
 152   $params['context'] = array(
 153     'title' => 'Log Context',
 154     'description' => 'An array of additional data to store.',
 155     'type' => CRM_Utils_Type::T_LONGTEXT,
 156     'api.default' => array(),
 157   );
 158   $params['contact_id'] = array(
 159     'title' => 'Log Contact ID',
 160     'description' => 'Optional ID of relevant contact',
 161     'type' => CRM_Utils_Type::T_INT,
 162   );
 163   $params['hostname'] = array(
 164     'title' => 'Log Hostname',
 165     'description' => 'Optional name of host',
 166     'type' => CRM_Utils_Type::T_STRING,
 167   );
 168 }
 169
 170 /**
 171  * System.Get API.
 172  *
 173  * @param array $params
 174  *
 175  * @return array
 176  */
 177 function civicrm_api3_system_get($params) {
 178   $config = CRM_Core_Config::singleton();
 179   $returnValues = array(
 180     array(
 181       'version' => CRM_Utils_System::version(), // deprecated in favor of civi.version
 182       'uf' => CIVICRM_UF, // deprecated in favor of cms.type
 183       'php' => array(
 184         'version' => phpversion(),
 185         'tz' => date_default_timezone_get(),
 186         'extensions' => get_loaded_extensions(),
 187         'ini' => _civicrm_api3_system_get_redacted_ini(),
 188       ),
 189       'mysql' => array(
 190         'version' => CRM_Core_DAO::singleValueQuery('SELECT @@version'),
 191       ),
 192       'cms' => array(
 193         'type' => CIVICRM_UF,
 194         'modules' => CRM_Core_Module::collectStatuses($config->userSystem->getModules()),
 195       ),
 196       'civi' => array(
 197         'version' => CRM_Utils_System::version(),
 198         'dev' => (bool) CRM_Utils_System::isDevelopment(),
 199         'components' => array_keys(CRM_Core_Component::getEnabledComponents()),
 200         'extensions' => preg_grep(
 201           '/^uninstalled$/',
 202           CRM_Extension_System::singleton()->getManager()->getStatuses(),
 203           PREG_GREP_INVERT
 204         ),
 205         'exampleUrl' => CRM_Utils_System::url('civicrm/example', NULL, TRUE, NULL, FALSE),
 206       ),
 207     ),
 208   );
 209
 210   return civicrm_api3_create_success($returnValues, $params, 'System', 'get');
 211 }
 212
 213 /**
 214  * Generate a sanitized/anonymized/redacted dump of the PHP configuration.
 215  *
 216  * Some INI fields contain site-identifying information (SII) -- e.g. URLs,
 217  * hostnames, file paths, IP addresses, passwords, or free-form comments
 218  * could be used to identify a site or gain access to its resources.
 219  *
 220  * A number of INI fields have been examined to determine whether they
 221  * contain SII. Approved fields are put in a whitelist; all other fields
 222  * are redacted.
 223  *
 224  * Redaction hides the substance of a field but does not completely omit
 225  * all information. Consider the field 'mail.log' - setting this field
 226  * has a functional effect (it enables or disables the logging behavior)
 227  * and also points to particular file. Empty values (FALSE/NULL/0/"")
 228  * will pass through redaction, but all other values will be replaced
 229  * by a string (eg "REDACTED"). This roughly indicates whether the
 230  * option is enabled/disabled without giving away its content.
 231  *
 232  * @return array
 233  */
 234 function _civicrm_api3_system_get_redacted_ini() {
 235   static $whitelist = NULL;
 236   if ($whitelist === NULL) {
 237     $whitelistFile = __DIR__ . '/System/ini-whitelist.txt';
 238     $whitelist = array_filter(
 239       explode("\n", file_get_contents($whitelistFile)),
 240       function ($k) {
 241         return !empty($k) && !preg_match('/^\s*#/', $k);
 242       }
 243     );
 244   }
 245
 246   $inis = ini_get_all(NULL, FALSE);
 247   $result = array();
 248   foreach ($inis as $k => $v) {
 249     if (empty($v) || in_array($k, $whitelist)) {
 250       $result[$k] = $v;
 251     }
 252     else {
 253       $result[$k] = 'REDACTED';
 254     }
 255   }
 256
 257   return $result;
 258 }