The Computer and Personal Privacy, Part III: The Regulation of Computer Records in the United States.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Rubin, Michael Rogers
Format:	Recurso educativo Open Access
Language:	en
Published:	1989
Subjects:	Confidential Records Databases Federal Government Federal Regulation Local Government Privacy Private Agencies Public Agencies State Government
Online Access:	Acceder al recurso
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author	Rubin, Michael Rogers
author_facet	Rubin, Michael Rogers Rubin, Michael Rogers
collection	Education Resources Information Center
contents	The Computer and Personal Privacy, Part III: The Regulation of Computer Records in the United States. Rubin, Michael Rogers Confidential Records Databases Federal Government Federal Regulation Local Government Privacy Private Agencies Public Agencies State Government Examines the major federal and state laws that govern the privacy aspects of the use of computer databases in three areas: private institutions, state and local governments, and the federal government. The ability of existing privacy laws to prevent abusive information collection, dissemination, and management practices is evaluated. (four references) (CLB)
format	Recurso educativo Open Access
id	eric_EJ405786
institution	ERIC Institute of Education Sciences
language	en
publishDate	1989
record_format	eric
spellingShingle	The Computer and Personal Privacy, Part III: The Regulation of Computer Records in the United States. Rubin, Michael Rogers Confidential Records Databases Federal Government Federal Regulation Local Government Privacy Private Agencies Public Agencies State Government The Computer and Personal Privacy, Part III: The Regulation of Computer Records in the United States. Rubin, Michael Rogers Confidential Records Databases Federal Government Federal Regulation Local Government Privacy Private Agencies Public Agencies State Government Examines the major federal and state laws that govern the privacy aspects of the use of computer databases in three areas: private institutions, state and local governments, and the federal government. The ability of existing privacy laws to prevent abusive information collection, dissemination, and management practices is evaluated. (four references) (CLB)
title	The Computer and Personal Privacy, Part III: The Regulation of Computer Records in the United States.
topic	Confidential Records Databases Federal Government Federal Regulation Local Government Privacy Private Agencies Public Agencies State Government
url	https://eric.ed.gov/?id=EJ405786

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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