forked from zenphoto/zenphoto
/
site_upgrade.php
249 lines (228 loc) · 10.2 KB
/
site_upgrade.php
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<?php
/**
* Provides a means to close access to your site for upgrading and testing.
*
* A button is placed in the <i>Utility functions</i> section of the Admin overview page to allow you
* to manage the state of your site. This button changes function depending on the state of the site. You may
* <i>close</i> a site, move a closed site to <i>test mode</i>, and then <i>open</i> the site.
*
* <i>Closing</i> the site will cause links to the site <i>front end</i> to be redirected to a script in
* the folder <var>plugins/site_upgrade</var>. Access to the admin pages remains available.
* You should close the site while
* you are uploading a new Zenphoto release so that users will not catch the site in an unstable state.
*
* After you have uploaded the new release and run Setup you place the site in <i>test mode</i>. In this mode
* only logged in <i>Administrators</i> can access the <i>front end</i>. You can then, as the administrator, view the
* site to be sure that all your changes are as you wish them to be.
*
* Once your testing is completed you <i>open</i> your site to all visitors.
*
* Change the files in <var>plugins/site_upgrade</var> to meet your needs. (<b>Note</b> these files will
* be copied to that folder during setup the first time you do an install. Setup will not overrite any existing
* versions of these files, so if a change is made to the Zenphoto versions of the files you will have to update
* your copies either by removing them before running setup or by manually applying the Zenphoto changes to your
* files.)
*
*
* The plugin works best if <var>mod_rewrite</var> is active and the <var>.htaccess</var> file exists. If this is not the case
* the plugin will still work in most cases. However if you the release you are upgrading to has significant changes involving
* plugin loading of the front-end site there may be PHP failures due if the site is accessed while the files
* being uploaded are in a mixed release state.
*
* @author Stephen Billard (sbillard)
* @package plugins
* @subpackage admin
*/
$plugin_is_filter = 1000 | ADMIN_PLUGIN | FEATURE_PLUGIN;
$plugin_description = gettext('Utility to divert access to the gallery to a screen saying the site is upgrading.');
$plugin_author = "Stephen Billard (sbillard)";
$plugin_notice = (MOD_REWRITE) ? false : gettext('<em>mod_rewrite</em> is not enabled. This plugin may not work without rewrite redirection if the upgrade is significantly different than the running release.');
switch (OFFSET_PATH) {
case 0:
$state = @$_zp_conf_vars['site_upgrade_state'];
if ((!zp_loggedin(ADMIN_RIGHTS) && $state == 'closed_for_test') || $state == 'closed') {
if (isset($_zp_conf_vars['special_pages']['page']['rewrite'])) {
$page = $_zp_conf_vars['special_pages']['page']['rewrite'];
} else {
$page = 'page';
}
if (!preg_match('~' . preg_quote($page) . '/setup_set-mod_rewrite\?z=setup$~', $_SERVER['REQUEST_URI'])) {
header('location: ' . WEBPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/closed.php');
exit();
}
}
break;
default:
zp_register_filter('admin_utilities_buttons', 'site_upgrade_button');
zp_register_filter('installation_information', 'site_upgrade_status');
function site_upgrade_status() {
global $_zp_conf_vars;
switch (@$_zp_conf_vars['site_upgrade_state']) {
case 'closed':
?>
<li>
<?php echo gettext('Site status:'); ?> <span style="color:RED"><strong><?php echo gettext('The site is closed!'); ?></strong></span>
</li>
<?php
break;
case 'closed_for_test';
?>
<li>
<?php echo gettext('Site status:'); ?> <span style="color:RED"><strong><?php echo gettext('The site is in test mode!'); ?></strong></span>
</li>
<?php
break;
default:
?>
<li>
<?php echo gettext('Site status:'); ?> <strong><?php echo gettext('The site is opened'); ?></strong>
</li>
<?php
break;
}
}
function site_upgrade_button($buttons) {
global $_zp_conf_vars;
$ht = @file_get_contents(SERVERPATH . '/.htaccess');
preg_match('|[# ][ ]*RewriteRule(.*)plugins/site_upgrade/closed|', $ht, $matches);
if (!$matches || strpos($matches[0], '#') === 0) {
$state = @$_zp_conf_vars['site_upgrade_state'];
} else {
$state = 'closed';
}
$buttons[] = array(
'XSRFTag' => 'site_upgrade_refresh',
'category' => gettext('Admin'),
'enable' => true,
'button_text' => gettext('Restore site_upgrade files'),
'formname' => 'refreshHTML',
'action' => WEBPATH . '/' . ZENFOLDER . '/admin.php',
'icon' => 'images/refresh.png',
'title' => gettext('Restores the files in the "plugins/site_upgrade" folder to their default state. Note: this will overwrite any custom edits you may have made.'),
'alt' => '',
'hidden' => '<input type="hidden" name="refreshHTML" value="1" />',
'rights' => ADMIN_RIGHTS
);
switch ($state) {
case 'closed':
$buttons[] = array(
'XSRFTag' => 'site_upgrade',
'category' => gettext('Admin'),
'enable' => true,
'button_text' => gettext('Site » test mode'),
'formname' => 'site_upgrade.php',
'action' => WEBPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/site_upgrade/site_upgrade.php',
'icon' => 'images/lock_open.png',
'title' => gettext('Make the site available for viewing administrators only.'),
'alt' => '',
'hidden' => '<input type="hidden" name="siteState" value="closed_for_test" />',
'rights' => ADMIN_RIGHTS
);
break;
case 'closed_for_test':
$buttons[] = array(
'XSRFTag' => 'site_upgrade',
'category' => gettext('Admin'),
'enable' => true,
'button_text' => gettext('Site » open'),
'formname' => 'site_upgrade.php',
'action' => WEBPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/site_upgrade/site_upgrade.php',
'icon' => 'images/lock.png',
'title' => gettext('Make site available for viewing.'),
'alt' => '',
'hidden' => '<input type="hidden" name="siteState" value="open" />',
'rights' => ADMIN_RIGHTS
);
break;
default:
$buttons[] = array(
'XSRFTag' => 'site_upgrade',
'category' => gettext('Admin'),
'enable' => true,
'button_text' => gettext('Site » close'),
'formname' => 'site_upgrade.php',
'action' => WEBPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/site_upgrade/site_upgrade.php',
'icon' => 'images/lock.png',
'title' => gettext('Make site unavailable for viewing by redirecting to the "closed.html" page.'),
'alt' => '',
'hidden' => '<input type="hidden" name="siteState" value="closed" />',
'rights' => ADMIN_RIGHTS
);
break;
}
return $buttons;
}
if (isset($_REQUEST['refreshHTML'])) {
XSRFdefender('site_upgrade_refresh');
$_GET['report'] = gettext('site_upgrade files Restored to original.');
} else {
break;
}
case 2:
mkdir_recursive(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/', FOLDER_MOD);
copy(SERVERPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/site_upgrade/closed.php', SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/closed.php');
if (isset($_REQUEST['refreshHTML']) || !file_exists(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/closed.htm')) {
$html = file_get_contents(SERVERPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/site_upgrade/closed.htm');
$html = sprintf($html, sprintf(gettext('%s upgrade'), $_zp_gallery->getTitle()), FULLWEBPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/site_upgrade/closed.png', sprintf(gettext('<strong><em>%s</em></strong> is undergoing an upgrade'), $_zp_gallery->getTitle()), '<a href="' . FULLWEBPATH . '/index.php">' . gettext('Please return later') . '</a>', FULLWEBPATH . '/index.php');
file_put_contents(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/closed.htm', $html);
}
if (isset($_REQUEST['refreshHTML']) || !file_exists(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/rss_closed.xml')) {
require_once(SERVERPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/rss.php');
class setupRSS extends RSS {
public function getitems() {
$this->feedtype = 'setup';
$items = array();
$items[] = array('title' => gettext('RSS suspended'),
'link' => '',
'enclosure' => '',
'category' => '',
'media_content' => '',
'media_thumbnail' => '',
'pubdate' => date("r", time()),
'desc' => gettext('The RSS feed is currently not available.'));
return $items;
}
protected function startCache() {
}
protected function endCache() {
}
}
$obj = new setupRSS(array('rss' => 'site_closed'));
ob_start();
$obj->printFeed();
$xml = ob_get_contents();
ob_end_clean();
file_put_contents(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/rss-closed.xml', $xml);
}
if (isset($_REQUEST['refreshHTML']) || !file_exists(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/externalFeed_closed.xml')) {
require_once(SERVERPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER . '/externalFeed.php');
class setupexternalFeed extends externalFeed {
public function getitems() {
$this->feedtype = 'setup';
$items = array();
$items[] = array('title' => gettext('externalFeed suspended'),
'link' => '',
'enclosure' => '',
'category' => '',
'media_content' => '',
'media_thumbnail' => '',
'pubdate' => date("r", time()),
'desc' => gettext('The external feed is currently not available.'));
return $items;
}
protected function startCache() {
}
protected function endCache() {
}
}
$obj = new setupexternalFeed(array('external' => 'site_closed'));
ob_start();
$obj->printFeed();
$xml = ob_get_contents();
ob_end_clean();
file_put_contents(SERVERPATH . '/' . USER_PLUGIN_FOLDER . '/site_upgrade/externalFeed-closed.xml', $xml);
}
setOptionDefault('zp_plugin_site_upgrade', $plugin_is_filter);
break;
}
?>