The Cyberarchive: A Look at the Storage and Preservation of Web Sites.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Casey, Carol
Format:	Recurso educativo Open Access
Language:	en
Published:	1998
Subjects:	Archives Information Storage Intellectual Property Internet Library Acquisition Library Collection Development Preservation
Online Access:	Acceder al recurso
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_version_	1867181161000730626
author	Casey, Carol
author_facet	Casey, Carol Casey, Carol
collection	Education Resources Information Center
contents	The Cyberarchive: A Look at the Storage and Preservation of Web Sites. Casey, Carol Archives Information Storage Intellectual Property Internet Library Acquisition Library Collection Development Preservation Discusses the need to develop storage and preservation measures for Internet resources. Topics include Web site authorship versus Web space ownership; physical archives of Web sites; cyberarchives; collection development; acquiring Web sites; and adding Web sites to the collection. (LRW)
format	Recurso educativo Open Access
id	eric_EJ572235
institution	ERIC Institute of Education Sciences
language	en
publishDate	1998
record_format	eric
spellingShingle	The Cyberarchive: A Look at the Storage and Preservation of Web Sites. Casey, Carol Archives Information Storage Intellectual Property Internet Library Acquisition Library Collection Development Preservation The Cyberarchive: A Look at the Storage and Preservation of Web Sites. Casey, Carol Archives Information Storage Intellectual Property Internet Library Acquisition Library Collection Development Preservation Discusses the need to develop storage and preservation measures for Internet resources. Topics include Web site authorship versus Web space ownership; physical archives of Web sites; cyberarchives; collection development; acquiring Web sites; and adding Web sites to the collection. (LRW)
title	The Cyberarchive: A Look at the Storage and Preservation of Web Sites.
topic	Archives Information Storage Intellectual Property Internet Library Acquisition Library Collection Development Preservation
url	https://eric.ed.gov/?id=EJ572235

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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language	"en"

Session

Key	Value
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SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
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VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
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SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
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SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.48"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"27267"
REDIRECT_URL	"/Record/eric_EJ572235/Details"
GATEWAY_INTERFACE	"CGI/1.1"
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SCRIPT_NAME	"/index.php"
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Environment Variables empty

Registered Handlers

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Environment & details:

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Session

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FlashMessenger	Laminas\Stdlib\ArrayObject {#1455}
SessionHelper	Laminas\Stdlib\ArrayObject {#1785}

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REDIRECT_HTTPS	"on"
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REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; VUFIND_SESSION=f5a44cab07223065b36f3f024b29463f; language=en"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.48"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
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CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"27267"
REDIRECT_URL	"/Record/eric_EJ572235/Details"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/eric_EJ572235/Details"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1789140957.6296
REQUEST_TIME	1789140957

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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