/**
  * Run upgrade.
  *
  * @throws \Exception
  */
 public function run()
 {
     // lets get around the time limit issue if possible for upgrades
     if (!ini_get('safe_mode')) {
         set_time_limit(0);
     }
     Civi::resources()->addStyleFile('civicrm', 'css/admin.css');
     $upgrade = new CRM_Upgrade_Form();
     list($currentVer, $latestVer) = $upgrade->getUpgradeVersions();
     CRM_Utils_System::setTitle(ts('Upgrade CiviCRM to Version %1', array(1 => $latestVer)));
     $template = CRM_Core_Smarty::singleton();
     $template->assign('pageTitle', ts('Upgrade CiviCRM to Version %1', array(1 => $latestVer)));
     $template->assign('cancelURL', CRM_Utils_System::url('civicrm/dashboard', 'reset=1'));
     $action = CRM_Utils_Array::value('action', $_REQUEST, 'intro');
     switch ($action) {
         case 'intro':
             $this->runIntro();
             break;
         case 'begin':
             $this->runBegin();
             break;
         case 'finish':
             $this->runFinish();
             break;
         default:
             CRM_Core_Error::fatal(ts('Unrecognized upgrade action'));
     }
 }

 /**
  * Compute any messages which should be displayed before upgrade.
  *
  * @param string $preUpgradeMessage
  *   alterable.
  * @param $currentVer
  * @param $latestVer
  */
 public static function setPreUpgradeMessage(&$preUpgradeMessage, $currentVer, $latestVer)
 {
     if (version_compare(phpversion(), self::MIN_RECOMMENDED_PHP_VER) < 0) {
         $preUpgradeMessage .= '<p>' . ts('This webserver is running an outdated version of PHP (%1). It is strongly recommended to upgrade to PHP %2 or later, as older versions can present a security risk.', array(1 => phpversion(), 2 => self::MIN_RECOMMENDED_PHP_VER)) . '</p>';
     }
     // http://issues.civicrm.org/jira/browse/CRM-13572
     // Depending on how the code was upgraded, some sites may still have copies of old
     // source files left behind. This is often a forgivable offense, but it's quite
     // dangerous for CIVI-SA-2013-001.
     global $civicrm_root;
     $ofcFile = "{$civicrm_root}/packages/OpenFlashChart/php-ofc-library/ofc_upload_image.php";
     if (file_exists($ofcFile)) {
         if (@unlink($ofcFile)) {
             $preUpgradeMessage .= '<br />' . ts('This system included an outdated, insecure script (%1). The file was automatically deleted.', array(1 => $ofcFile));
         } else {
             $preUpgradeMessage .= '<br />' . ts('This system includes an outdated, insecure script (%1). Please delete it.', array(1 => $ofcFile));
         }
     }
     if (Civi::settings()->get('enable_innodb_fts')) {
         // The FTS indexing feature dynamically manipulates the schema which could
         // cause conflicts with other layers that manipulate the schema. The
         // simplest thing is to turn it off and back on.
         // It may not always be necessary to do this -- but I doubt we're going to test
         // systematically in future releases.  When it is necessary, one could probably
         // ignore the matter and simply run CRM_Core_InnoDBIndexer::fixSchemaDifferences
         // after the upgrade.  But that's speculative.  For now, we'll leave this
         // advanced feature in the hands of the sysadmin.
         $preUpgradeMessage .= '<br />' . ts('This database uses InnoDB Full Text Search for optimized searching. The upgrade procedure has not been tested with this feature. You should disable (and later re-enable) the feature by navigating to "Administer => System Settings => Miscellaneous".');
     }
 }

 /**
  * Add an ics attachment to the input array.
  *
  * @param array $attachments
  *   Reference to array in same format returned from CRM_Core_BAO_File::getEntityFile().
  * @param array $contacts
  *   Array of contacts (attendees).
  *
  * @return string|null
  *   Array index of the added attachment in the $attachments array, else NULL.
  */
 public function addAttachment(&$attachments, $contacts)
 {
     // Check preferences setting
     if (Civi::settings()->get('activity_assignee_notification_ics')) {
         $config =& CRM_Core_Config::singleton();
         $this->icsfile = tempnam($config->customFileUploadDir, 'ics');
         if ($this->icsfile !== FALSE) {
             rename($this->icsfile, $this->icsfile . '.ics');
             $this->icsfile .= '.ics';
             $icsFileName = basename($this->icsfile);
             // get logged in user's primary email
             // TODO: Is there a better way to do this?
             $organizer = $this->getPrimaryEmail();
             $template = CRM_Core_Smarty::singleton();
             $template->assign('activity', $this->activity);
             $template->assign('organizer', $organizer);
             $template->assign('contacts', $contacts);
             $template->assign('timezone', date_default_timezone_get());
             $calendar = $template->fetch('CRM/Activity/Calendar/ICal.tpl');
             if (file_put_contents($this->icsfile, $calendar) !== FALSE) {
                 if (empty($attachments)) {
                     $attachments = array();
                 }
                 $attachments['activity_ics'] = array('mime_type' => 'text/calendar', 'fileName' => $icsFileName, 'cleanName' => $icsFileName, 'fullPath' => $this->icsfile);
                 return 'activity_ics';
             }
         }
     }
     return NULL;
 }

 /**
  * WARNING: This interface may change.
  *
  * This provides information about the setting - similar to the fields concept for DAO information.
  * As the setting is serialized code creating validation setting input needs to know the data type
  * This also helps move information out of the form layer into the data layer where people can interact with
  * it via the API or other mechanisms. In order to keep this consistent it is important the form layer
  * also leverages it.
  *
  * Note that this function should never be called when using the runtime getvalue function. Caching works
  * around the expectation it will be called during setting administration
  *
  * Function is intended for configuration rather than runtime access to settings
  *
  * The following params will filter the result. If none are passed all settings will be returns
  *
  * @param array $filters
  * @param int $domainID
  *
  * @return array
  *   the following information as appropriate for each setting
  *   - name
  *   - type
  *   - default
  *   - add (CiviCRM version added)
  *   - is_domain
  *   - is_contact
  *   - description
  *   - help_text
  */
 public static function getMetadata($filters = array(), $domainID = NULL)
 {
     if ($domainID === NULL) {
         $domainID = \CRM_Core_Config::domainID();
     }
     $cache = \Civi::cache('settings');
     $cacheString = 'settingsMetadata_' . $domainID . '_';
     // the caching into 'All' seems to be a duplicate of caching to
     // settingsMetadata__ - I think the reason was to cache all settings as defined & then those altered by a hook
     $settingsMetadata = $cache->get($cacheString);
     $cached = is_array($settingsMetadata);
     if (!$cached) {
         $settingsMetadata = $cache->get(self::ALL);
         if (empty($settingsMetadata)) {
             global $civicrm_root;
             $metaDataFolders = array($civicrm_root . '/settings');
             \CRM_Utils_Hook::alterSettingsFolders($metaDataFolders);
             $settingsMetadata = self::loadSettingsMetaDataFolders($metaDataFolders);
             $cache->set(self::ALL, $settingsMetadata);
         }
     }
     \CRM_Utils_Hook::alterSettingsMetaData($settingsMetadata, $domainID, NULL);
     if (!$cached) {
         $cache->set($cacheString, $settingsMetadata);
     }
     self::_filterSettingsSpecification($filters, $settingsMetadata);
     return $settingsMetadata;
 }

 /**
  * @param array $cxn
  * @param string $entity
  * @param string $action
  * @param array $params
  * @return mixed
  */
 public static function route($cxn, $entity, $action, $params)
 {
     $SUPER_PERM = array('administer CiviCRM');
     require_once 'api/v3/utils.php';
     // FIXME: Shouldn't the X-Forwarded-Proto check be part of CRM_Utils_System::isSSL()?
     if (CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME, 'enableSSL') && !CRM_Utils_System::isSSL() && strtolower(CRM_Utils_Array::value('X_FORWARDED_PROTO', CRM_Utils_System::getRequestHeaders())) != 'https') {
         return civicrm_api3_create_error('System policy requires HTTPS.');
     }
     // Note: $cxn and cxnId are authenticated before router is called.
     $dao = new CRM_Cxn_DAO_Cxn();
     $dao->cxn_id = $cxn['cxnId'];
     if (empty($cxn['cxnId']) || !$dao->find(TRUE) || !$dao->cxn_id) {
         return civicrm_api3_create_error('Failed to lookup connection authorizations.');
     }
     if (!$dao->is_active) {
         return civicrm_api3_create_error('Connection is inactive.');
     }
     if (!is_string($entity) || !is_string($action) || !is_array($params)) {
         return civicrm_api3_create_error('API parameters are malformed.');
     }
     if (empty($cxn['perm']['api']) || !is_array($cxn['perm']['api']) || empty($cxn['perm']['grant']) || !(is_array($cxn['perm']['grant']) || is_string($cxn['perm']['grant']))) {
         return civicrm_api3_create_error('Connection has no permissions.');
     }
     $whitelist = \Civi\API\WhitelistRule::createAll($cxn['perm']['api']);
     \Civi::service('dispatcher')->addSubscriber(new \Civi\API\Subscriber\WhitelistSubscriber($whitelist));
     CRM_Core_Config::singleton()->userPermissionTemp = new CRM_Core_Permission_Temp();
     if ($cxn['perm']['grant'] === '*') {
         CRM_Core_Config::singleton()->userPermissionTemp->grant($SUPER_PERM);
     } else {
         CRM_Core_Config::singleton()->userPermissionTemp->grant($cxn['perm']['grant']);
     }
     $params['check_permissions'] = 'whitelist';
     return civicrm_api($entity, $action, $params);
 }

 /**
  * @param string $title
  *   Title of the page.
  * @param int $mode
  *   Mode of the page.
  * @param \CRM_Core_Resources|null $res
  *   Resource manager.
  */
 public function __construct($title = NULL, $mode = NULL, $res = NULL)
 {
     parent::__construct($title, $mode);
     $this->res = \CRM_Core_Resources::singleton();
     $this->angular = \Civi::service('angular');
     $this->region = \CRM_Utils_Request::retrieve('snippet', 'String') ? 'ajax-snippet' : 'html-header';
 }

/**
 * Get available api actions.
 *
 * @param array $apiRequest
 *
 * @return array
 * @throws API_Exception
 */
function civicrm_api3_generic_getActions($apiRequest)
{
    civicrm_api3_verify_mandatory($apiRequest, NULL, array('entity'));
    $mfp = \Civi::service('magic_function_provider');
    $actions = $mfp->getActionNames($apiRequest['version'], $apiRequest['entity']);
    return civicrm_api3_create_success($actions, $apiRequest['params'], $apiRequest['entity'], 'getactions');
}

 public function preProcess()
 {
     $this->_contactID = CRM_Utils_Request::retrieve('cid', 'Positive', $this, FALSE);
     $this->_system = CRM_Utils_Request::retrieve('system', 'Boolean', $this, FALSE, TRUE);
     $this->_action = CRM_Utils_Request::retrieve('action', 'String', $this, FALSE, 'update');
     if (isset($action)) {
         $this->assign('action', $action);
     }
     $session = CRM_Core_Session::singleton();
     $this->_config = new CRM_Core_DAO();
     if ($this->_system) {
         if (CRM_Core_Permission::check('administer CiviCRM')) {
             $this->_contactID = NULL;
         } else {
             CRM_Utils_System::fatal('You do not have permission to edit preferences');
         }
         $this->_config->contact_id = NULL;
     } else {
         if (!$this->_contactID) {
             $this->_contactID = $session->get('userID');
             if (!$this->_contactID) {
                 CRM_Utils_System::fatal('Could not retrieve contact id');
             }
             $this->set('cid', $this->_contactID);
         }
         $this->_config->contact_id = $this->_contactID;
     }
     $settings = Civi::settings();
     foreach ($this->_varNames as $groupName => $settingNames) {
         foreach ($settingNames as $settingName => $options) {
             $this->_config->{$settingName} = $settings->get($settingName);
         }
     }
     $session->pushUserContext(CRM_Utils_System::url('civicrm/admin', 'reset=1'));
 }

 /**
  * Check whether the install has run before.
  *
  * Circa v4.7.betaX, we introduced a new mechanism for tracking installation
  * and firing a post-install event. However, it's fairly difficult to test the
  * edge-cases directly, so this canary should fire if there are any problems
  * in the design/implementation of the installation-tracker.
  *
  * This should not exist. It should be removed in a future version.
  *
  * @param \Civi\Core\Event\SystemInstallEvent $event
  * @throws \CRM_Core_Exception
  */
 public static function check(SystemInstallEvent $event)
 {
     if (\CRM_Core_DAO::checkTableExists('civicrm_install_canary')) {
         throw new \CRM_Core_Exception("Found installation canary. This suggests that something went wrong with tracking installation process. Please post to forum or JIRA.");
     }
     \Civi::log()->info('Creating canary table');
     \CRM_Core_DAO::executeQuery('CREATE TABLE civicrm_install_canary (id int(10) unsigned NOT NULL)');
 }

 /**
  * Obtains the group name from url and sets the title.
  */
 public function preProcess()
 {
     Civi::resources()->addStyleFile('civicrm', 'css/admin.css');
     CRM_Utils_System::setTitle(ts('CiviCRM Extensions'));
     $destination = CRM_Utils_System::url('civicrm/admin/extensions', 'reset=1');
     $destination = urlencode($destination);
     $this->assign('destination', $destination);
 }

 /**
  * @param bool $fresh
  * @return CRM_Utils_QueryFormatter
  */
 public static function singleton($fresh = FALSE)
 {
     if ($fresh || self::$singleton === NULL) {
         $mode = Civi::settings()->get('fts_query_mode');
         self::$singleton = new CRM_Utils_QueryFormatter($mode);
     }
     return self::$singleton;
 }

 /**
  * @param bool $fresh
  * @return CRM_Cxn_CiviCxnHttp
  */
 public static function singleton($fresh = FALSE)
 {
     if (self::$singleton === NULL || $fresh) {
         $cache = CRM_Utils_Cache::create(array('name' => 'CiviCxnHttp', 'type' => Civi::settings()->get('debug_enabled') ? 'ArrayCache' : array('SqlGroup', 'ArrayCache'), 'prefetch' => FALSE));
         self::$singleton = new CRM_Cxn_CiviCxnHttp($cache);
     }
     return self::$singleton;
 }

 /**
  * Build all the data structures needed to build the form.
  */
 public function preProcess()
 {
     $cid = CRM_Utils_Request::retrieve('cid', 'Positive', $this, FALSE);
     $this->_searchKey = CRM_Utils_Request::retrieve('key', 'String', $this);
     // sort out whether it’s a delete-to-trash, delete-into-oblivion or restore (and let the template know)
     $values = $this->controller->exportValues();
     $this->_skipUndelete = (CRM_Core_Permission::check('access deleted contacts') and (CRM_Utils_Request::retrieve('skip_undelete', 'Boolean', $this) or CRM_Utils_Array::value('task', $values) == CRM_Contact_Task::DELETE_PERMANENTLY));
     $this->_restore = (CRM_Utils_Request::retrieve('restore', 'Boolean', $this) or CRM_Utils_Array::value('task', $values) == CRM_Contact_Task::RESTORE);
     if ($this->_restore && !CRM_Core_Permission::check('access deleted contacts')) {
         CRM_Core_Error::fatal(ts('You do not have permission to access this contact.'));
     } elseif (!CRM_Core_Permission::check('delete contacts')) {
         CRM_Core_Error::fatal(ts('You do not have permission to delete this contact.'));
     }
     $this->assign('trash', Civi::settings()->get('contact_undelete') and !$this->_skipUndelete);
     $this->assign('restore', $this->_restore);
     if ($this->_restore) {
         CRM_Utils_System::setTitle(ts('Restore Contact'));
     }
     if ($cid) {
         if (!CRM_Contact_BAO_Contact_Permission::allow($cid, CRM_Core_Permission::EDIT)) {
             CRM_Core_Error::fatal(ts('You do not have permission to delete this contact. Note: you can delete contacts if you can edit them.'));
         } elseif (CRM_Contact_BAO_Contact::checkDomainContact($cid)) {
             CRM_Core_Error::fatal(ts('This contact is a special one for the contact information associated with the CiviCRM installation for this domain. No one is allowed to delete it because the information is used for special system purposes.'));
         }
         $this->_contactIds = array($cid);
         $this->_single = TRUE;
         $this->assign('totalSelectedContacts', 1);
     } else {
         parent::preProcess();
     }
     $this->_sharedAddressMessage = $this->get('sharedAddressMessage');
     if (!$this->_restore && !$this->_sharedAddressMessage) {
         // we check for each contact for shared contact address
         $sharedContactList = array();
         $sharedAddressCount = 0;
         foreach ($this->_contactIds as $contactId) {
             // check if a contact that is being deleted has any shared addresses
             $sharedAddressMessage = CRM_Core_BAO_Address::setSharedAddressDeleteStatus(NULL, $contactId, TRUE);
             if ($sharedAddressMessage['count'] > 0) {
                 $sharedAddressCount += $sharedAddressMessage['count'];
                 $sharedContactList = array_merge($sharedContactList, $sharedAddressMessage['contactList']);
             }
         }
         $this->_sharedAddressMessage = array('count' => $sharedAddressCount, 'contactList' => $sharedContactList);
         if ($sharedAddressCount > 0) {
             if (count($this->_contactIds) > 1) {
                 // more than one contact deleted
                 $message = ts('One of the selected contacts has an address record that is shared with 1 other contact.', array('plural' => 'One or more selected contacts have address records which are shared with %count other contacts.', 'count' => $sharedAddressCount));
             } else {
                 // only one contact deleted
                 $message = ts('This contact has an address record which is shared with 1 other contact.', array('plural' => 'This contact has an address record which is shared with %count other contacts.', 'count' => $sharedAddressCount));
             }
             CRM_Core_Session::setStatus($message . ' ' . ts('Shared addresses will not be removed or altered but will no longer be shared.'), ts('Shared Addesses Owner'));
         }
         // set in form controller so that queries are not fired again
         $this->set('sharedAddressMessage', $this->_sharedAddressMessage);
     }
 }

 /**
  * @return array
  */
 public function readActiveConfig()
 {
     if (!defined('CIVICRM_SETTINGS_PATH') || CIVICRM_SETTINGS_PATH !== $this->settingsFile) {
         return array();
     }
     $paths = is_callable(array('Civi', 'paths')) ? \Civi::paths() : NULL;
     $data = array('CMS_DB_DSN' => CIVICRM_UF_DSN, 'CMS_VERSION' => \CRM_Core_Config::singleton()->userSystem->getVersion(), 'CIVI_DB_DSN' => CIVICRM_DSN, 'CIVI_SITE_KEY' => CIVICRM_SITE_KEY, 'CIVI_VERSION' => \CRM_Utils_System::version(), 'CIVI_SETTINGS' => CIVICRM_SETTINGS_PATH, 'CIVI_TEMPLATEC' => \CRM_Core_Config::singleton()->templateCompileDir, 'CIVI_UF' => \CRM_Core_Config::singleton()->userFramework, 'IS_INSTALLED' => '1', 'SITE_TYPE' => 'cv-auto', 'CMS_URL' => $paths ? \Civi::paths()->getUrl('[cms.root]/', 'absolute') : \CRM_Utils_System::languageNegotiationURL(\CRM_Utils_System::baseCMSURL(), FALSE, TRUE), 'CMS_ROOT' => $paths ? \Civi::paths()->getPath('[cms.root]/.') : \CRM_Core_Config::singleton()->userSystem->cmsRootPath(), 'CIVI_CORE' => $paths ? \Civi::paths()->getPath('[civicrm.root]/.') : $GLOBALS['civicrm_root'], 'CIVI_URL' => $paths ? \Civi::paths()->getUrl('[civicrm.root]/', 'absolute') : '', 'CIVI_FILES' => $paths ? \Civi::paths()->getPath('[civicrm.root]/.') : dirname(\CRM_Core_Config::singleton()->templateCompileDir));
     return $data;
 }

 /**
  * @param bool $fresh
  * @return CRM_Core_InnoDBIndexer
  */
 public static function singleton($fresh = FALSE)
 {
     if ($fresh || self::$singleton === NULL) {
         $indices = array('civicrm_address' => array(array('street_address', 'city', 'postal_code')), 'civicrm_activity' => array(array('subject', 'details')), 'civicrm_contact' => array(array('sort_name', 'nick_name', 'display_name')), 'civicrm_contribution' => array(array('source', 'amount_level', 'trxn_Id', 'invoice_id')), 'civicrm_email' => array(array('email')), 'civicrm_membership' => array(array('source')), 'civicrm_note' => array(array('subject', 'note')), 'civicrm_participant' => array(array('source', 'fee_level')), 'civicrm_phone' => array(array('phone')), 'civicrm_tag' => array(array('name')));
         $active = Civi::settings()->get('enable_innodb_fts');
         self::$singleton = new self($active, $indices);
     }
     return self::$singleton;
 }

/**
 * Version 3 wrapper for civicrm_api.
 *
 * Throws exception.
 *
 * @param string $entity
 *   Type of entities to deal with.
 * @param string $action
 *   Create, get, delete or some special action name.
 * @param array $params
 *   Array to be passed to function.
 *
 * @throws CiviCRM_API3_Exception
 * @return array
 */
function civicrm_api3($entity, $action, $params = array())
{
    $params['version'] = 3;
    $result = \Civi::service('civi_api_kernel')->runSafe($entity, $action, $params);
    if (is_array($result) && !empty($result['is_error'])) {
        throw new CiviCRM_API3_Exception($result['error_message'], CRM_Utils_Array::value('error_code', $result, 'undefined'), $result);
    }
    return $result;
}

 /**
  * @return array
  */
 public function checkOutboundMail()
 {
     $messages = array();
     $mailingInfo = Civi::settings()->get('mailing_backend');
     if ($mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_REDIRECT_TO_DB || defined('CIVICRM_MAIL_LOG') && CIVICRM_MAIL_LOG || $mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_DISABLED || $mailingInfo['outBound_option'] == CRM_Mailing_Config::OUTBOUND_OPTION_MOCK) {
         $messages[] = new CRM_Utils_Check_Message(__FUNCTION__, ts('Warning: Outbound email is disabled in <a href="%1">system settings</a>. Proper settings should be enabled on production servers.', array(1 => CRM_Utils_System::url('civicrm/admin/setting/smtp', 'reset=1'))), ts('Outbound Email Disabled'), \Psr\Log\LogLevel::WARNING, 'fa-envelope');
     }
     return $messages;
 }

 /**
  * Set default values for the form.
  *
  * default values are retrieved from the database
  */
 public function setDefaultValues()
 {
     $defaults = Civi::settings()->get('contribution_invoice_settings');
     //CRM-16691: Changes made related to settings of 'CVV'.
     foreach ($this->_settings as $setting => $group) {
         $settingMetaData = civicrm_api3('setting', 'getfields', array('name' => $setting));
         $defaults[$setting] = civicrm_api3('setting', 'getvalue', array('name' => $setting, 'group' => $group, 'default_value' => CRM_Utils_Array::value('default', $settingMetaData['values'][$setting])));
     }
     return $defaults;
 }

 /**
  * This virtual function is used to set the default values of
  * various form elements
  *
  * access        public
  *
  * @return array
  *   reference to the array of default values
  */
 public function setDefaultValues()
 {
     // CRM-11761 retrieve user's activity filter preferences
     $defaults = array();
     $userID = CRM_Core_Session::getLoggedInContactID();
     if ($userID) {
         $defaults = Civi::service('settings_manager')->getBagByContact(NULL, $userID)->get('activity_tab_filter');
     }
     return $defaults;
 }

 /**
  * Run page.
  *
  * @return string
  */
 public function run()
 {
     Civi::resources()->addStyleFile('civicrm', 'css/admin.css');
     CRM_Utils_System::setTitle(ts("Configuration Checklist"));
     $this->assign('recentlyViewed', FALSE);
     $destination = CRM_Utils_System::url('civicrm/admin/configtask', 'reset=1', FALSE, NULL, FALSE);
     $destination = urlencode($destination);
     $this->assign('destination', $destination);
     return parent::run();
 }