PHP Common::generateUniqId方法代码示例

 /**
  * Performs a batch insert into a specific table using either LOAD DATA INFILE or plain INSERTs,
  * as a fallback. On MySQL, LOAD DATA INFILE is 20x faster than a series of plain INSERTs.
  *
  * @param string $tableName PREFIXED table name! you must call Common::prefixTable() before passing the table name
  * @param array $fields array of unquoted field names
  * @param array $values array of data to be inserted
  * @param bool $throwException Whether to throw an exception that was caught while trying
  *                                LOAD DATA INFILE, or not.
  * @throws Exception
  * @return bool  True if the bulk LOAD was used, false if we fallback to plain INSERTs
  */
 public static function tableInsertBatch($tableName, $fields, $values, $throwException = false)
 {
     $filePath = PIWIK_USER_PATH . '/tmp/assets/' . $tableName . '-' . Common::generateUniqId() . '.csv';
     $filePath = SettingsPiwik::rewriteTmpPathWithInstanceId($filePath);
     $loadDataInfileEnabled = Config::getInstance()->General['enable_load_data_infile'];
     if ($loadDataInfileEnabled && Db::get()->hasBulkLoader()) {
         try {
             $fileSpec = array('delim' => "\t", 'quote' => '"', 'escape' => '\\\\', 'escapespecial_cb' => function ($str) {
                 return str_replace(array(chr(92), chr(34)), array(chr(92) . chr(92), chr(92) . chr(34)), $str);
             }, 'eol' => "\r\n", 'null' => 'NULL');
             // hack for charset mismatch
             if (!DbHelper::isDatabaseConnectionUTF8() && !isset(Config::getInstance()->database['charset'])) {
                 $fileSpec['charset'] = 'latin1';
             }
             self::createCSVFile($filePath, $fileSpec, $values);
             if (!is_readable($filePath)) {
                 throw new Exception("File {$filePath} could not be read.");
             }
             $rc = self::createTableFromCSVFile($tableName, $fields, $filePath, $fileSpec);
             if ($rc) {
                 unlink($filePath);
                 return true;
             }
         } catch (Exception $e) {
             Log::info("LOAD DATA INFILE failed or not supported, falling back to normal INSERTs... Error was: %s", $e->getMessage());
             if ($throwException) {
                 throw $e;
             }
         }
     }
     // if all else fails, fallback to a series of INSERTs
     @unlink($filePath);
     self::tableInsertBatchIterate($tableName, $fields, $values);
     return false;
 }

 public static function update()
 {
     $salt = Common::generateUniqId();
     $config = Config::getInstance();
     $superuser = $config->superuser;
     if (!isset($superuser['salt'])) {
         try {
             if (is_writable(Config::getLocalConfigPath())) {
                 $superuser['salt'] = $salt;
                 $config->superuser = $superuser;
                 $config->forceSave();
             } else {
                 throw new \Exception('mandatory update failed');
             }
         } catch (\Exception $e) {
             throw new \Piwik\UpdaterErrorException("Please edit your config/config.ini.php file and add below <code>[superuser]</code> the following line: <br /><code>salt = {$salt}</code>");
         }
     }
     $plugins = $config->Plugins;
     if (!in_array('MultiSites', $plugins)) {
         try {
             if (is_writable(Config::getLocalConfigPath())) {
                 $plugins[] = 'MultiSites';
                 $config->Plugins = $plugins;
                 $config->forceSave();
             } else {
                 throw new \Exception('optional update failed');
             }
         } catch (\Exception $e) {
             throw new \Exception("You can now enable the new MultiSites plugin in the Plugins screen in the Piwik admin!");
         }
     }
     Updater::updateDatabase(__FILE__, self::getSql());
 }

 /**
  * Performs a batch insert into a specific table using either LOAD DATA INFILE or plain INSERTs,
  * as a fallback. On MySQL, LOAD DATA INFILE is 20x faster than a series of plain INSERTs.
  *
  * @param string $tableName PREFIXED table name! you must call Common::prefixTable() before passing the table name
  * @param array $fields array of unquoted field names
  * @param array $values array of data to be inserted
  * @param bool $throwException Whether to throw an exception that was caught while trying
  *                                LOAD DATA INFILE, or not.
  * @param string $charset The charset to use, defaults to utf8
  * @throws Exception
  * @return bool  True if the bulk LOAD was used, false if we fallback to plain INSERTs
  */
 public static function tableInsertBatch($tableName, $fields, $values, $throwException = false, $charset = 'utf8')
 {
     $loadDataInfileEnabled = Config::getInstance()->General['enable_load_data_infile'];
     if ($loadDataInfileEnabled && Db::get()->hasBulkLoader()) {
         $path = self::getBestPathForLoadData();
         $filePath = $path . $tableName . '-' . Common::generateUniqId() . '.csv';
         try {
             $fileSpec = array('delim' => "\t", 'quote' => '"', 'escape' => '\\\\', 'escapespecial_cb' => function ($str) {
                 return str_replace(array(chr(92), chr(34)), array(chr(92) . chr(92), chr(92) . chr(34)), $str);
             }, 'eol' => "\r\n", 'null' => 'NULL', 'charset' => $charset);
             self::createCSVFile($filePath, $fileSpec, $values);
             if (!is_readable($filePath)) {
                 throw new Exception("File {$filePath} could not be read.");
             }
             $rc = self::createTableFromCSVFile($tableName, $fields, $filePath, $fileSpec);
             if ($rc) {
                 unlink($filePath);
                 return true;
             }
         } catch (Exception $e) {
             if ($throwException) {
                 throw $e;
             }
         }
         // if all else fails, fallback to a series of INSERTs
         if (file_exists($filePath)) {
             @unlink($filePath);
         }
     }
     self::tableInsertBatchIterate($tableName, $fields, $values);
     return false;
 }

 private static function migrateConfigSuperUserToDb()
 {
     $config = Config::getInstance();
     if (!$config->existsLocalConfig()) {
         return;
     }
     try {
         $superUser = $config->superuser;
     } catch (\Exception $e) {
         $superUser = null;
     }
     if (!empty($superUser['bridge']) || empty($superUser) || empty($superUser['login'])) {
         // there is a super user which is not from the config but from the bridge, that means we already have
         // a super user in the database
         return;
     }
     $userApi = UsersManagerApi::getInstance();
     try {
         Db::get()->insert(Common::prefixTable('user'), array('login' => $superUser['login'], 'password' => $superUser['password'], 'alias' => $superUser['login'], 'email' => $superUser['email'], 'token_auth' => $userApi->getTokenAuth($superUser['login'], $superUser['password']), 'date_registered' => Date::now()->getDatetime(), 'superuser_access' => 1));
     } catch (\Exception $e) {
         echo "There was an issue, but we proceed: " . $e->getMessage();
     }
     if (array_key_exists('salt', $superUser)) {
         $salt = $superUser['salt'];
     } else {
         $salt = Common::generateUniqId();
     }
     $config->General['salt'] = $salt;
     $config->superuser = array();
     $config->forceSave();
 }

 /**
  * Performs a batch insert into a specific table using either LOAD DATA INFILE or plain INSERTs,
  * as a fallback. On MySQL, LOAD DATA INFILE is 20x faster than a series of plain INSERTs.
  *
  * @param string $tableName PREFIXED table name! you must call Common::prefixTable() before passing the table name
  * @param array $fields array of unquoted field names
  * @param array $values array of data to be inserted
  * @param bool $throwException Whether to throw an exception that was caught while trying
  *                                LOAD DATA INFILE, or not.
  * @throws Exception
  * @return bool  True if the bulk LOAD was used, false if we fallback to plain INSERTs
  */
 public static function tableInsertBatch($tableName, $fields, $values, $throwException = false)
 {
     $filePath = StaticContainer::get('path.tmp') . '/assets/' . $tableName . '-' . Common::generateUniqId() . '.csv';
     $loadDataInfileEnabled = Config::getInstance()->General['enable_load_data_infile'];
     if ($loadDataInfileEnabled && Db::get()->hasBulkLoader()) {
         try {
             $fileSpec = array('delim' => "\t", 'quote' => '"', 'escape' => '\\\\', 'escapespecial_cb' => function ($str) {
                 return str_replace(array(chr(92), chr(34)), array(chr(92) . chr(92), chr(92) . chr(34)), $str);
             }, 'eol' => "\r\n", 'null' => 'NULL');
             // hack for charset mismatch
             if (!DbHelper::isDatabaseConnectionUTF8() && !isset(Config::getInstance()->database['charset'])) {
                 $fileSpec['charset'] = 'latin1';
             }
             self::createCSVFile($filePath, $fileSpec, $values);
             if (!is_readable($filePath)) {
                 throw new Exception("File {$filePath} could not be read.");
             }
             $rc = self::createTableFromCSVFile($tableName, $fields, $filePath, $fileSpec);
             if ($rc) {
                 unlink($filePath);
                 return true;
             }
         } catch (Exception $e) {
             if ($throwException) {
                 throw $e;
             }
         }
     }
     // if all else fails, fallback to a series of INSERTs
     @unlink($filePath);
     self::tableInsertBatchIterate($tableName, $fields, $values);
     return false;
 }

 public function acquireLock($id)
 {
     $this->lockKey = $this->lockKeyStart . $id;
     $lockValue = substr(Common::generateUniqId(), 0, 12);
     $locked = $this->backend->setIfNotExists($this->lockKey, $lockValue, $ttlInSeconds = 60);
     if ($locked) {
         $this->lockValue = $lockValue;
     }
     return $locked;
 }

 public function __invoke(array $record)
 {
     if (Common::isPhpCliMode()) {
         return $record;
     }
     if (empty($this->currentRequestKey)) {
         $this->currentRequestKey = substr(Common::generateUniqId(), 0, 5);
     }
     $record['extra']['request_id'] = $this->currentRequestKey;
     return $record;
 }

 /**
  * Returns an existing nonce by ID. If none exists, a new nonce will be generated.
  *
  * @param string $id Unique id to avoid namespace conflicts, e.g., `'ModuleName.ActionName'`.
  * @param int $ttl Optional time-to-live in seconds; default is 5 minutes. (ie, in 5 minutes,
  *                 the nonce will no longer be valid).
  * @return string
  */
 public static function getNonce($id, $ttl = 600)
 {
     // save session-dependent nonce
     $ns = new SessionNamespace($id);
     $nonce = $ns->nonce;
     // re-use an unexpired nonce (a small deviation from the "used only once" principle, so long as we do not reset the expiration)
     // to handle browser pre-fetch or double fetch caused by some browser add-ons/extensions
     if (empty($nonce)) {
         // generate a new nonce
         $nonce = md5(SettingsPiwik::getSalt() . time() . Common::generateUniqId());
         $ns->nonce = $nonce;
     }
     // extend lifetime if nonce is requested again to prevent from early timeout if nonce is requested again
     // a few seconds before timeout
     $ns->setExpirationSeconds($ttl, 'nonce');
     return $nonce;
 }

 public function installOrUpdatePluginFromFile($pathToZip)
 {
     $tmpPluginName = 'uploaded' . Common::generateUniqId();
     $tmpPluginFolder = StaticContainer::get('path.tmp') . self::PATH_TO_DOWNLOAD . $tmpPluginName;
     try {
         $this->makeSureFoldersAreWritable();
         $this->extractPluginFiles($pathToZip, $tmpPluginFolder);
         $this->makeSurePluginJsonExists($tmpPluginFolder);
         $metadata = $this->getPluginMetadataIfValid($tmpPluginFolder);
         $this->makeSureThereAreNoMissingRequirements($metadata);
         $this->pluginName = $metadata->name;
         $this->fixPluginFolderIfNeeded($tmpPluginFolder);
         $this->copyPluginToDestination($tmpPluginFolder);
         Filesystem::deleteAllCacheOnUpdate($this->pluginName);
     } catch (\Exception $e) {
         $this->removeFileIfExists($pathToZip);
         $this->removeFolderIfExists($tmpPluginFolder);
         throw $e;
     }
     $this->removeFileIfExists($pathToZip);
     $this->removeFolderIfExists($tmpPluginFolder);
     return $metadata;
 }

 /**
  * Write configuration file from session-store
  */
 private function createConfigFile($dbInfos)
 {
     $config = Config::getInstance();
     // make sure DB sessions are used if the filesystem is NFS
     if (Filesystem::checkIfFileSystemIsNFS()) {
         $config->General['session_save_handler'] = 'dbtable';
     }
     if (count($headers = ProxyHeaders::getProxyClientHeaders()) > 0) {
         $config->General['proxy_client_headers'] = $headers;
     }
     if (count($headers = ProxyHeaders::getProxyHostHeaders()) > 0) {
         $config->General['proxy_host_headers'] = $headers;
     }
     if (Common::getRequestVar('clientProtocol', 'http', 'string') == 'https') {
         $protocol = 'https';
     } else {
         $protocol = ProxyHeaders::getProtocolInformation();
     }
     if (!empty($protocol) && !\Piwik\ProxyHttp::isHttps()) {
         $config->General['assume_secure_protocol'] = '1';
     }
     $config->General['salt'] = Common::generateUniqId();
     $config->General['installation_in_progress'] = 1;
     $config->database = $dbInfos;
     if (!DbHelper::isDatabaseConnectionUTF8()) {
         $config->database['charset'] = 'utf8';
     }
     $config->forceSave();
 }

 /**
  * @return string returns random 16 chars hex string
  */
 public static function generateUniqueVisitorId()
 {
     return substr(Common::generateUniqId(), 0, Tracker::LENGTH_HEX_ID_STRING);
 }

 /**
  * @param $level
  * @param $tag
  * @param $datetime
  * @param $message
  * @return string
  */
 private function getMessageFormattedScreen($level, $tag, $datetime, $message)
 {
     static $currentRequestKey;
     if (empty($currentRequestKey)) {
         $currentRequestKey = substr(Common::generateUniqId(), 0, 5);
     }
     if (is_string($message)) {
         if (!defined('PIWIK_TEST_MODE')) {
             $message = '[' . $currentRequestKey . '] ' . $message;
         }
         $message = $this->formatMessage($level, $tag, $datetime, $message);
         if (!Common::isPhpCliMode()) {
             $message = Common::sanitizeInputValue($message);
             $message = '<pre>' . $message . '</pre>';
         }
     } else {
         $logger = $this;
         /**
          * Triggered when trying to log an object to the screen. Plugins can use
          * this event to convert objects to strings before they are logged.
          *
          * The result of this callback can be HTML so no sanitization is done on the result.
          * This means **YOU MUST SANITIZE THE MESSAGE YOURSELF** if you use this event.
          *
          * **Example**
          *
          *     public function formatScreenMessage(&$message, $level, $tag, $datetime, $logger) {
          *         if ($message instanceof MyCustomDebugInfo) {
          *             $message = Common::sanitizeInputValue($message->formatForScreen());
          *         }
          *     }
          *
          * @param mixed &$message The object that is being logged. Event handlers should
          *                        check if the object is of a certain type and if it is,
          *                        set `$message` to the string that should be logged.
          * @param int $level The log level used with this log entry.
          * @param string $tag The current plugin that started logging (or if no plugin,
          *                    the current class).
          * @param string $datetime Datetime of the logging call.
          * @param Log $logger The Log singleton.
          */
         Piwik::postEvent(self::FORMAT_SCREEN_MESSAGE_EVENT, array(&$message, $level, $tag, $datetime, $logger));
     }
     return $message . "\n";
 }

 protected function insertNewArchiveId()
 {
     $numericTable = $this->getTableNumeric();
     $idSite = $this->idSite;
     $this->acquireArchiveTableLock();
     $locked = self::PREFIX_SQL_LOCK . Common::generateUniqId();
     $date = date("Y-m-d H:i:s");
     $insertSql = "INSERT INTO {$numericTable} " . " SELECT ifnull(max(idarchive),0)+1,\n\t\t\t\t\t\t\t\t'" . $locked . "',\n\t\t\t\t\t\t\t\t" . (int) $idSite . ",\n\t\t\t\t\t\t\t\t'" . $date . "',\n\t\t\t\t\t\t\t\t'" . $date . "',\n\t\t\t\t\t\t\t\t0,\n\t\t\t\t\t\t\t\t'" . $date . "',\n\t\t\t\t\t\t\t\t0 " . " FROM {$numericTable} as tb1";
     Db::get()->exec($insertSql);
     $this->releaseArchiveTableLock();
     $selectIdSql = "SELECT idarchive FROM {$numericTable} WHERE name = ? LIMIT 1";
     $id = Db::get()->fetchOne($selectIdSql, $locked);
     return $id;
 }

 /**
  * Write configuration file from session-store
  */
 private function createConfigFile($dbInfos)
 {
     $config = Config::getInstance();
     // make sure DB sessions are used if the filesystem is NFS
     if (Filesystem::checkIfFileSystemIsNFS()) {
         $config->General['session_save_handler'] = 'dbtable';
     }
     if (count($headers = ProxyHeaders::getProxyClientHeaders()) > 0) {
         $config->General['proxy_client_headers'] = $headers;
     }
     if (count($headers = ProxyHeaders::getProxyHostHeaders()) > 0) {
         $config->General['proxy_host_headers'] = $headers;
     }
     if (Common::getRequestVar('clientProtocol', 'http', 'string') == 'https') {
         $protocol = 'https';
     } else {
         $protocol = ProxyHeaders::getProtocolInformation();
     }
     if (!empty($protocol) && !\Piwik\ProxyHttp::isHttps()) {
         $config->General['assume_secure_protocol'] = '1';
     }
     $config->General['salt'] = Common::generateUniqId();
     $config->General['installation_in_progress'] = 1;
     $config->database = $dbInfos;
     if (!DbHelper::isDatabaseConnectionUTF8()) {
         $config->database['charset'] = 'utf8';
     }
     # Improved Security with IBM Bluemix
     # With SSL ALWAYS available for all Bluemix apps, let's require all requests
     # to be made over SSL (https) so that data is NOT sent in the clear.
     # Non-ssl requests will trigger a
     #    Error: Form security failed.
     #    Please reload the form and check that your cookies are enabled
     # Reference: http://piwik.org/faq/how-to/faq_91/
     # Reference: https://developer.ibm.com/answers/questions/8312/how-do-i-enable-tlsssl-for-my-bluemix-application/
     $config->General['assume_secure_protocol'] = 1;
     $config->General['force_ssl'] = 1;
     # Setup proxy_client_headers to accurately detect GeoIPs of visiting clients
     $config->General['proxy_client_headers'] = array("HTTP_X_CLIENT_IP", "HTTP_X_FORWARDED_FOR", "HTTP_X_CLUSTER_CLIENT_IP", "HTTP_CLIENT_IP");
     $config->General['proxy_host_headers'] = "HTTP_X_FORWARDED_HOST";
     # Implement some default settings that optimize performance
     $config->General['enabled_periods_UI'] = "day,week,month,year";
     $config->General['enabled_periods_API'] = "day,week,month,year";
     $config->General['action_category_level_limit'] = 3;
     $config->General['show_multisites_sparklines'] = 0;
     $config->General['anonymous_user_enable_use_segments_API'] = 0;
     $config->General['browser_archiving_disabled_enforce'] = 1;
     $config->General['enable_create_realtime_segments'] = 0;
     $config->General['enable_segment_suggested_values'] = 0;
     $config->General['adding_segment_requires_access'] = "superuser";
     $config->General['allow_adding_segments_for_all_websites'] = 0;
     $config->General['datatable_row_limits'] = "5,10,25,50";
     $config->General['enable_browser_archiving_triggering'] = 0;
     $config->General['multisites_refresh_after_seconds'] = 0;
     $config->General['enable_delete_old_data_settings_admin'] = 0;
     $config->General['enable_auto_update'] = 0;
     $config->Debug['enable_measure_piwik_usage_in_idsite'] = 0;
     $config->Debug['allow_upgrades_to_beta'] = 0;
     $config->Tracker['new_visit_api_requires_admin'] = 0;
     # Let us have this Piwik deploy track itself to get some early data and success :-)
     # $config->Debug['enable_measure_piwik_usage_in_idsite'] = 1;
     # Emailing the easy way with IBM Bluemix + the SendGrid Service
     if (isset($_ENV["REDISHOSTNAME"])) {
         $config->RedisCache['host'] = $_ENV["REDISHOSTNAME"];
         $config->RedisCache['port'] = $_ENV["REDISPORT"];
         $config->RedisCache['timeout'] = 0.0;
         $config->RedisCache['password'] = $_ENV["REDISPASSWORD"];
         $config->RedisCache['database'] = 14;
         $config->ChainedCache['backends'] = array("array", "redis");
     }
     # Let's setup the config files trusted hosts entries to handle
     # 1...N amount of user-defined IBM Bluemix app routes
     if (isset($_ENV["APPURIS"])) {
         foreach ($_ENV["APPURIS"] as $application_uri) {
             $this->addTrustedHosts("https://" . $application_uri);
         }
     }
     # Emailing the easy way with IBM Bluemix + the SendGrid Service
     if (isset($_ENV["MAILHOST"])) {
         $config->mail['transport'] = "smtp";
         $config->mail['port'] = 587;
         $config->mail['type'] = "Plain";
         $config->mail['host'] = $_ENV["MAILHOST"];
         $config->mail['username'] = $_ENV["MAILUSER"];
         $config->mail['password'] = $_ENV["MAILPASSWORD"];
     }
     $config->forceSave();
     // re-save the currently viewed language (since we saved the config file, there is now a salt which makes the
     // existing session cookie invalid)
     $this->resetLanguageCookie();
 }

 /**
  * Installation Step 6: General Set-up (superuser login/password/email and subscriptions)
  */
 function generalSetup()
 {
     $this->checkPreviousStepIsValid(__FUNCTION__);
     $view = new View('@Installation/generalSetup', $this->getInstallationSteps(), __FUNCTION__);
     $this->skipThisStep(__FUNCTION__);
     $form = new FormGeneralSetup();
     if ($form->validate()) {
         $superUserInfos = array('login' => $form->getSubmitValue('login'), 'password' => md5($form->getSubmitValue('password')), 'email' => $form->getSubmitValue('email'), 'salt' => Common::generateUniqId());
         $this->session->superuser_infos = $superUserInfos;
         $url = Config::getInstance()->General['api_service_url'];
         $url .= '/1.0/subscribeNewsletter/';
         $params = array('email' => $form->getSubmitValue('email'), 'security' => $form->getSubmitValue('subscribe_newsletter_security'), 'community' => $form->getSubmitValue('subscribe_newsletter_community'), 'url' => Url::getCurrentUrlWithoutQueryString());
         if ($params['security'] == '1' || $params['community'] == '1') {
             if (!isset($params['security'])) {
                 $params['security'] = '0';
             }
             if (!isset($params['community'])) {
                 $params['community'] = '0';
             }
             $url .= '?' . http_build_query($params, '', '&');
             try {
                 Http::sendHttpRequest($url, $timeout = 2);
             } catch (Exception $e) {
                 // e.g., disable_functions = fsockopen; allow_url_open = Off
             }
         }
         $this->redirectToNextStep(__FUNCTION__);
     }
     $view->addForm($form);
     return $view->render();
 }