<?php
/**
 * admin.php is the main script for administrative functions.
 * @package admin
 */

// force UTF-8 Ø

/* Don't put anything before this line! */
define('OFFSET_PATH', 1);

require_once(dirname(__FILE__).'/admin-globals.php');

if (isset($_GET['_zp_login_error'])) {
	$_zp_login_error = sanitize($_GET['_zp_login_error']);
}

checkInstall();

if (isset($_GET['report'])) {
	$class = 'messagebox';
	$msg = sanitize($_GET['report']);
} else {
	$msg = '';
}
if(getOption('zp_plugin_zenpage')) {
	require_once(dirname(__FILE__).'/'.PLUGIN_FOLDER.'/zenpage/zenpage-admin-functions.php');
}
if (zp_loggedin()) { /* Display the admin pages. Do action handling first. */
	if (isset($_GET['action'])) {
		$action = sanitize($_GET['action']);
		if ($action == 'external') {
			$needs = ALL_RIGHTS;
		} else {
			$needs = ADMIN_RIGHTS;
		}
		if (zp_loggedin($needs)) {
			switch ($action) {
				/** clear the image cache *****************************************************/
				/******************************************************************************/
				case "clear_cache":
					XSRFdefender('clear_cache');
					Gallery::clearCache();
					$class = 'messagebox';
					$msg = gettext('Image cache cleared.');
					break;

				/** clear the RSScache ***********************************************************/
				/******************************************************************************/
				case "clear_rss_cache":
					XSRFdefender('clear_cache');
					require_once(SERVERPATH.'/'.ZENFOLDER.'/class-rss.php');
					RSS::clearRSScache();
					$class = 'messagebox';
					$msg = gettext('RSS cache cleared.');
					break;

				/** clear the HTMLcache *******************************************************/
				/******************************************************************************/
				case 'clear_html_cache':
					XSRFdefender('ClearHTMLCache');
					require_once(SERVERPATH.'/'.ZENFOLDER.'/'.PLUGIN_FOLDER.'/static_html_cache.php');
					static_html_cache::clearHTMLCache();
					$class = 'messagebox';
					$msg = gettext('HTML cache cleared.');
					break;

				/** external script return ****************************************************/
				/******************************************************************************/
				case 'external':
					if (isset($_GET['error'])) {
						$class = sanitize($_GET['error']);
						if (empty($class)) {
							$class = 'errorbox';
						}
					} else {
						$class = 'messagebox';
					}
					if (isset($_GET['msg'])) {
						$msg = sanitize($_GET['msg']);
					} else {
						$msg = '';
					}
					break;

				/** default *******************************************************************/
				/******************************************************************************/
					default:
					call_user_func($action);
					break;
			}
		} else {
			$class = 'errorbox';
			$actions = array(	'clear_cache'=>gettext('purge Image cache'),
												'clear_rss_cache'=>gettext('purge RSS cache'),
												'reset_hitcounters'=>gettext('reset all hitcounters'));
			if (array_key_exists($action, $actions)) {
				$msg = $actions[$action];
			} else {
				$msg = '<em>'.$action.'</em>';
			}
			$msg = sprintf(gettext('You do not have proper rights to %s.'),$msg);
		}
	} else {
		if (isset($_GET['from'])) {
			$class = 'errorbox';
			$msg = sprintf(gettext('You do not have proper rights to access %s.'),html_encode(sanitize($_GET['from'])));
		}
	}

/************************************************************************************/
/** End Action Handling *************************************************************/
/************************************************************************************/
}
$from = NULL;
if (zp_loggedin() && !empty($zenphoto_tabs)) {
	if (!$_zp_current_admin_obj->getID() || empty($msg) && !zp_loggedin(OVERVIEW_RIGHTS)) {
		// admin access without overview rights, redirect to first tab
		$tab = array_shift($zenphoto_tabs);
		$link = $tab['link'];
		header('location:'.$link);
		exitZP();
	}
} else {
	if (isset($_GET['from'])) {
		$from = sanitize($_GET['from']);
		$from = urldecode($from);
	} else {
		$from = urldecode(currentRelativeURL());
	}
}


// Print our header
printAdminHeader('overview');
?>
<script type="text/javascript" src="<?php echo WEBPATH.'/'.ZENFOLDER; ?>/js/jquery.masonry.min.js"></script>
<script type="text/javascript">
	// <!-- <![CDATA[
	$(function(){
		$('#overviewboxes').masonry({
			// options
			itemSelector : '.overview-utility',
			columnWidth : 520
		});
	});
	// ]]> -->
</script>
<?php
echo "\n</head>";
if (!zp_loggedin(USER_RIGHTS)) {
	// If they are not logged in, display the login form and exit
	?>
	<body style="background-image: none">
	<?php $_zp_authority->printLoginForm($from); ?>
	</body>
	<?php
	echo "\n</html>";
	exitZP();
} else {
	?>
	<body>
	<?php
}

/* Admin-only content safe from here on. */
printLogoAndLinks();
?>
<div id="main">
<?php printTabs(); ?>
<div id="content">
<?php

/*** HOME ***************************************************************************/
/************************************************************************************/

if (!empty($msg)) {
	?>
	<div class="<?php echo $class; ?> fade-message">
		<h2><?php echo html_encode($msg); ?></h2>
	</div>
	<?php
}
zp_apply_filter('admin_note','Overview', NULL);
?>
<div id="overviewboxes">

	<?php
	if (zp_loggedin(ADMIN_RIGHTS)) {
	?>
	<div class="box overview-utility overview-install-info">
		<h2 class="h2_bordered"><?php echo gettext("Installation information"); ?></h2>
		<ul>
	<?php

	if (TEST_RELEASE) {
		$official = gettext('<em>Debug build</em>');
	} else {
		$official = gettext('Official build');
	}
	if (!zpFunctions::hasPrimaryScripts()) {
		$official .= ' <em>'.gettext('clone').'</em>';
	}
	$graphics_lib = zp_graphicsLibInfo();
	?>
	<li><?php printf(gettext('Zenphoto version <strong>%1$s [%2$s] (%3$s)</strong>'),ZENPHOTO_VERSION,'<a title="'.ZENPHOTO_FULL_RELEASE.'">'.ZENPHOTO_RELEASE.'</a>',$official); ?></li>
	<li><?php if (ZENPHOTO_LOCALE) {
							printf(gettext('Current locale setting: <strong>%1$s</strong>'),ZENPHOTO_LOCALE);
						} else {
							echo gettext('<strong>Locale setting has failed</strong>');
						}
	 ?>
	</li>
	<li>
	<?php echo gettext ('Server path:').' <strong>'.SERVERPATH.'</strong>'?>
	</li>
	<li>
	<?php echo gettext ('WEB path:').' <strong>'.WEBPATH.'</strong>'?>
	</li>
	<li>
		<?php
		$themes = $_zp_gallery->getThemes();
		$currenttheme = $_zp_gallery->getCurrentTheme();
		if (array_key_exists($currenttheme, $themes) && isset($themes[$currenttheme]['name'])) {
			$currenttheme = $themes[$currenttheme]['name'];
		}
		printf(gettext('Current gallery theme: <strong>%1$s</strong>'),$currenttheme);
		?>
	</li>
	<li><?php printf(gettext('PHP version: <strong>%1$s</strong>'),phpversion()); ?></li>
	<?php
	if (TEST_RELEASE) {
		?>
		<li>
			<?php
			$erToTxt = array(	E_ERROR=>'E_ERROR',
												E_WARNING=>'E_WARNING',
												E_PARSE=>'E_PARSE',
												E_NOTICE=>'E_NOTICE',
												E_CORE_ERROR=>'E_CORE_ERROR',
												E_CORE_WARNING=>'E_CORE_WARNING',
												E_COMPILE_ERROR=>'E_COMPILE_ERROR',
												E_COMPILE_WARNING=>'E_COMPILE_WARNING',
												E_USER_ERROR=>'E_USER_ERROR',
												E_USER_NOTICE=>'E_USER_NOTICE',
												E_USER_WARNING=>'E_USER_WARNING',
												E_STRICT=>'E_STRICT'
											);
			if (version_compare(PHP_VERSION,'5.2.0') == 1) {
				$erToTxt[E_RECOVERABLE_ERROR] = 'E_RECOVERABLE_ERROR';
			}
			if (version_compare(PHP_VERSION,'5.3.0') == 1) {
				$erToTxt[E_DEPRECATED] = 'E_DEPRECATED';
				$erToTxt[E_USER_DEPRECATED] = 'E_USER_DEPRECATED';
			}
			$reporting = error_reporting();
			$text = array();
			if (($reporting & E_ALL) == E_ALL) {
				$text[] = 'E_ALL';
				$reporting = $reporting ^ E_ALL;
			}
			if ((($reporting | E_NOTICE) & E_ALL) == E_ALL) {
				$text[] = 'E_ALL ^ E_NOTICE';
				$reporting = $reporting ^ (E_ALL ^ E_NOTICE);
			}
			foreach ($erToTxt as $er=>$name) {
				if ($reporting & $er) {
					$text[] = $name;
				}
			}
			printf(gettext('PHP Error reporting: <strong>%s</strong>'), implode(' | ',$text));
			?>
		</li>
		<?php
		if (@ini_get('display_errors')) {
			?>
			<li><a title="<?php echo gettext('PHP error messages may be displayed on WEB pages. This may disclose site sensitive information.'); ?>"><?php echo gettext('<em>display_errors</em> is <strong>On</strong>')?></a></li>
			<?php
		} else {
			?>
			<li><?php echo gettext('<em>display_errors</em> is <strong>Off</strong>')?></li>
			<?php
		}
	}
	?>
		<li>
		<?php	printf(gettext("Graphics support: <strong>%s</strong>"),$graphics_lib['Library_desc']); ?>
			<br />&nbsp;&nbsp;&nbsp;
		<?php
			unset($graphics_lib['Library']);
			unset($graphics_lib['Library_desc']);
			foreach ($graphics_lib as $key=>$type) {
				if (!$type) {
					unset($graphics_lib[$key]);
				}
			}
			printf(gettext('supporting: %s'),'<em>'.strtolower(implode(', ', array_keys($graphics_lib))).'</em>');
			?>
		</li>
		<li><?php printf(gettext('PHP memory limit: <strong>%1$s</strong> (Note: Your server might allocate less!)'),INI_GET('memory_limit')); ?></li>
		<li>
			<?php
			$dbsoftware = db_software();
			printf(gettext('%1$s version: <strong>%2$s</strong>'),$dbsoftware['application'],$dbsoftware['version']);
			?>

		</li>
		<li><?php printf(gettext('Database name: <strong>%1$s</strong>'),db_name()); ?></li>
		<li>
		<?php
		$prefix = trim(prefix(),'`');
		if(!empty($prefix)) {
			echo sprintf(gettext('Table prefix: <strong>%1$s</strong>'),$prefix);
		}
		?>
		</li>
		<li>
		<?php
		if (isset($_zp_spamFilter)) {
			$filter = $_zp_spamFilter->displayName();
		} else {
			$filter = gettext('No spam filter configured');
		}
		printf(gettext('Spam filter: <strong>%s</strong>'), $filter) ?></li>
		<?php
		if ($_zp_captcha) {
			?>
			<li><?php printf(gettext('CAPTCHA generator: <strong>%s</strong>'), $_zp_captcha->name) ?></li>
			<?php
		}
		zp_apply_filter('installation_information');
		if (!zp_has_filter('sendmail')) {
			?>
			<li style="color:RED"><?php echo gettext('There is no mail handler configured!'); ?></li>
			<?php
		}
		?>
		</ul>

		<?php
		$plugins = array_keys(getEnabledPlugins());
		$filters = array();
		$c = count($plugins);
		?>
		<h3><a href="javascript:toggle('plugins_hide');toggle('plugins_show');" ><?php printf(ngettext("%u active plugin:", "%u active plugins:", $c), $c); ?></a></h3>
		<div id="plugins_hide" style="display:none">
			<ul class="plugins">
			<?php
			if ($c  > 0) {
				natcasesort($plugins);
				foreach ($plugins as $extension) {
					$pluginStream = file_get_contents(getPlugin($extension.'.php'));
					$plugin_version = '';
					if ($str = isolate('$plugin_version', $pluginStream)) {
						@eval($str);
					}
					if ($plugin_version) {
						$version = ' v'.$plugin_version;
					} else {
						$version = '';
					}
					$plugin_is_filter = 1;
					if ($str = isolate('$plugin_is_filter', $pluginStream)) {
						@eval($str);
					}
					echo "<li>".$extension.$version."</li>";
					preg_match_all('|zp_register_filter\s*\((.+?)\)\s*?;|', $pluginStream, $matches);
					foreach ($matches[1] as $paramsstr) {
						$params = explode(',', $paramsstr);
						if (array_key_exists(2, $params)) {
							$priority = (int)$params[2];
						} else {
							$priority = $plugin_is_filter & PLUGIN_PRIORITY;
						}
						$filter = unQuote(trim($params[0]));
						$function = unQuote(trim($params[1]));
						$filters[$filter][$priority][$function] = array('function'=>$function,'script'=>$extension.'.php');
					}
				}
			} else {
				echo '<li>'.gettext('<em>none</em>').'</li>';
			}
			?>
			</ul>
		</div><!-- plugins_hide -->
		<div id="plugins_show">
			<br />
		</div><!-- plugins_show -->
		<?php
		$c = count($filters);
		?>
		<h3><a href="javascript:toggle('filters_hide');toggle('filters_show');" ><?php printf(ngettext("%u active filter:","%u active filters:", $c), $c); ?></a></h3>
		<div id="filters_hide" style="display:none">
			<ul class="plugins">
			<?php
			if ($c > 0) {
				ksort($filters,SORT_LOCALE_STRING);
				foreach ($filters as $filter=>$array_of_priority) {
					krsort($array_of_priority);
					?>
					<li>
						<em><?php echo $filter; ?></em>
						<ul class="filters">
						<?php
						foreach ($array_of_priority as $priority=>$array_of_filters) {
							foreach ($array_of_filters as $data) {
								?>
								<li><em><?php echo $priority; ?></em>: <?php echo $data['script'] ?> =&gt; <?php echo $data['function'] ?></li>
								<?php
							}
						}
						?>
					</ul>
				</li>
				<?php
				}
			} else {
				?>
				<li><?php echo gettext('<em>none</em>'); ?></li>
				<?php
			}
			?>
			</ul>
		</div><!-- filters_hide -->
		<div id="filters_show">
			<br />
		</div><!-- filters_show -->

	</div><!-- overview-info -->
	<?php
	}
	$buttonlist = array();
	$curdir = getcwd();
	chdir(SERVERPATH . "/" . ZENFOLDER . '/'.UTILITIES_FOLDER.'/');
	$filelist = safe_glob('*'.'php');
	natcasesort($filelist);
	foreach ($filelist as $utility) {
		$utilityStream = file_get_contents($utility);
		$s = strpos($utilityStream, '$buttonlist');
		if ($s !== false) {
			$e = strpos($utilityStream, ';', $s);
			if ($e) {
				$str = substr($utilityStream, $s, $e-$s).';';
				eval($str);

			}
		}
	}
	$buttonlist = zp_apply_filter('admin_utilities_buttons', $buttonlist);
	foreach ($buttonlist as $key=>$button) {
		if (zp_loggedin($button['rights'])) {
			if (!array_key_exists('category', $button)) {
				$buttonlist[$key]['category'] = gettext('Misc');
			}
		} else {
			unset($buttonlist[$key]);
		}
	}
	$buttonlist = sortMultiArray($buttonlist, array('category','button_text'), false);
	?>
	<div class="box overview-utility">
	<h2 class="h2_bordered"><?php echo gettext("Utility functions"); ?></h2>
		<?php
		$category = '';
		foreach ($buttonlist as $button) {
			$button_category = $button['category'];
			$button_icon = $button['icon'];
			if ($category != $button_category) {
				if ($category) {
					?>
					</fieldset>
					<?php
				}
				$category = $button_category;
				?>
				<fieldset class="utility_buttons_field"><legend><?php echo $category; ?></legend>
				<?php
			}
			?>
			<form name="<?php echo $button['formname']; ?>"	action="<?php echo $button['action']; ?>" class="overview_utility_buttons">
				<?php if (isset($button['XSRFTag']) && $button['XSRFTag']) XSRFToken($button['XSRFTag']); ?>
				<?php echo $button['hidden']; ?>
				<div class="buttons tooltip" title="<?php echo html_encode($button['title']); ?>">
					<button class="fixedwidth" type="submit"<?php if (!$button['enable']) echo 'disabled="disabled"'; ?>>
					<?php
					if(!empty($button_icon)) {
						?>
						<img src="<?php echo $button_icon; ?>" alt="<?php echo html_encode($button['alt']); ?>" />
						<?php
					}
					echo html_encode($button['button_text']);
					?>
					</button>
				</div><!--buttons -->
			</form>
			<?php
		}
		if ($category) {
			?>
			</fieldset>
			<?php
		}
		?>
	</div><!-- overview-utility -->

	<div class="box overview-utility overiew-gallery-stats">
		<h2 class="h2_bordered"><?php echo gettext("Gallery Stats"); ?></h2>
		<ul>
			<li>
			<?php
			$t = $_zp_gallery->getNumImages();
			$c = $t-$_zp_gallery->getNumImages(true);
			if ($c > 0) {
				printf(ngettext('<strong>%1$u</strong> Image (%2$u un-published)','<strong>%1$u</strong> Images (%2$u un-published)',$t),$t, $c);
			} else {
				printf(ngettext('<strong>%u</strong> Image','<strong>%u</strong> Images',$t),$t);
			}
			?>
			</li>
			<li>
			<?php
			$t = $_zp_gallery->getNumAlbums(true);
			$c = $t-$_zp_gallery->getNumAlbums(true,true);
			if ($c > 0) {
				printf(ngettext('<strong>%1$u</strong> Album (%2$u un-published)','<strong>%1$u</strong> Albums (%2$u un-published)',$t),$t, $c);
			} else {
				printf(ngettext('<strong>%u</strong> Album', '<strong>%u</strong> Albums',$t),$t);
			}
			?>
			</li>
			<li>
			<?php
			$t = $_zp_gallery->getNumComments(true);
			$c = $t - $_zp_gallery->getNumComments(false);
			if ($c > 0) {
				printf(ngettext('<strong>%1$u</strong> Comment (%2$u in moderation)','<strong>%1$u</strong> Comments (%2$u in moderation)', $t), $t, $c);
			} else {
				printf(ngettext('<strong>%u</strong> Comment','<strong>%u</strong> Comments', $t), $t);
			}
			?>
			</li>
			<?php
			if(getOption('zp_plugin_zenpage')) { ?>
				<li>
					<?php
					list($total,$type,$unpub) = getNewsPagesStatistic("pages");
					if (empty($unpub)) {
						printf(ngettext('<strong>%1$u</strong> Page','<strong>%1$u</strong> Pages',$total),$total,$type);
					} else {
						printf(ngettext('<strong>%1$u</strong> Page (%2$u un-published)','<strong>%1$u</strong> Pages (%2$u un-published)',$total),$total,$unpub);
					}
					?>
				</li>
				<li>
					<?php
					list($total,$type,$unpub) = getNewsPagesStatistic("news");
					if (empty($unpub)) {
						printf(ngettext('<strong>%1$u</strong> News','<strong>%1$u</strong> News',$total),$total);
					} else {
						printf(ngettext('<strong>%1$u</strong> News (%2$u un-published)','<strong>%1$u</strong> News (%2$u un-published)',$total),$total,$unpub);
					}
					?>
				</li>
				<li>
					<?php
					list($total,$type,$unpub) = getNewsPagesStatistic("categories");
					printf(ngettext('<strong>%1$u</strong> Category','<strong>%1$u</strong> Categories',$total),$total);
					?>
				</li>
			<?php
			}
			?>
		</ul>
	</div><!-- overview-gallerystats -->

	<?php
	zp_apply_filter('admin_overview');


?>

	</div><!-- boxouter -->
</div><!-- content -->
<br clear="all" />
<?php
printAdminFooter();
/* No admin-only content allowed after point! */
?>
</div>
<!-- main -->
</body>
<?php // to fool the validator
echo "\n</html>";
?>
