plugins/SpecialLog.php
author Dan Fuhry <dan@enanocms.org>
Thu, 28 Oct 2010 03:05:31 -0400
changeset 1308 f9bee9b125ee
parent 1227 bdac73ed481e
permissions -rwxr-xr-x
Parser updates. Added the "styled" keyword to wikitables to allow them to be styled using the current theme's standard table skinning, and changes to how the image tag parser decides how to display an image (framed, inline or raw).

<?php
/**!info**
{
	"Plugin Name"  : "plugin_speciallog_title",
	"Plugin URI"   : "http://enanocms.org/",
	"Description"  : "plugin_speciallog_desc",
	"Author"       : "Dan Fuhry",
	"Version"      : "1.1.6",
	"Author URI"   : "http://enanocms.org/"
}
**!*/

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Copyright (C) 2006-2009 Dan Fuhry
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
 */

function SpecialLog_paths_init()
{
	register_special_page('Log', 'specialpage_log');
}

function page_Special_Log()
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	global $lang;
	global $output;
	
	// FIXME: This doesn't currently prohibit viewing of aggregate logs that might include a page for which
	// we don't have permission to view history. It does, however, block access if a list of pages is given
	// and one of those doesn't allow history_view.
	
	// FIXME: This is a real hack. We're trying to get permissions on a random non-existent article, which
	// effectively forces calculation to occur based on site-wide permissions.
	$pid = '';
	for ( $i = 0; $i < 32; $i++ )
	{
		$pid .= chr(mt_rand(32, 126));
	}
	$perms = $session->fetch_page_acl($pid, 'Article');
	$perms_changed = false;
	
	require_once(ENANO_ROOT . '/includes/log.php');
	$log = new LogDisplay();
	$page = 1;
	$pagesize = 50;
	$fmt = 'full';
	
	if ( $params = $paths->getAllParams() )
	{
		if ( $params === 'AddFilter' && !empty($_POST['type']) && !empty($_POST['value']) )
		{
			$type = $_POST['type'];
			if ( $type == 'within' )
				$value = strval(intval($_POST['value']['within'])) . $_POST['value']['withinunits'];
			else
				$value = $_POST['value'][$type];
			
			if ( !ctype_digit($value) )
				$value = str_replace('/', '.2f', sanitize_page_id($value));
			
			if ( $value !== '0' && (empty($value) || ( $type == 'within' && intval($value) == 0 )) )
			{
				$adderror = $lang->get('log_err_addfilter_field_empty');
			}
			else
			{
				$append = ( !empty($_POST['existing_filters']) ) ? "{$_POST['existing_filters']}/" : '';
				$url = makeUrlNS('Special', "Log/{$append}{$type}={$value}");
				
				redirect($url, '', '', 0);
			}
		}
		$params = explode('/', $params);
		foreach ( $params as $i => $param )
		{
			$param = str_replace('.2f', '/', dirtify_page_id($param));
			if ( preg_match('/^([a-z]+)!?=(.+?)$/', $param, $match) )
			{
				$name =& $match[1];
				$value =& $match[2];
				switch($name)
				{
					case 'resultpage':
						$page = intval($value);
						break;
					case 'size':
						$pagesize = intval($value);
						break;
					case 'fmt':
						switch($value)
						{
							case 'barenaked':
							case 'ajax':
								$fmt = 'naked';
								$output = new Output_Naked();
								break;
						}
						break;
					case 'page':
						// tolerate slashes
						$j = $i;
						while ( true )
						{
							if ( isset($params[++$j]) )
							{
								if ( preg_match('/^([a-z]+)!?=(.+?)$/', $params[$j]) )
									break;
								
								$value .= '/' . $params[$j];
							}
							else
							{
								break;
							}
						}
						if ( get_class($perms) == 'sessionManager' )
						{
							unset($perms);
							list($pid, $ns) = RenderMan::strToPageID($value);
							$perms = $session->fetch_page_acl($pid, $ns);
							if ( !$perms->get_permissions('history_view') )
							{
								die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('log_err_access_denied') . '</p>');
							}
						}
						// no break here on purpose
					default:
						try
						{
							$log->add_criterion($name, $value);
						}
						catch ( Exception $e )
						{
						}
						break;
				}
			}
		}
	}
	if ( !$perms->get_permissions('history_view') )
	{
		die_friendly($lang->get('etc_access_denied_short'), '<p>' . $lang->get('log_err_access_denied') . '</p>');
	}
	
	$page--;
	$rowcount = $log->get_row_count();
	$paramsbit = rtrim(preg_replace('|/?resultpage=([0-9]+)/?|', '/', $paths->getAllParams()), '/');
	$paramsbit = ( !empty($paramsbit) ) ? "/$paramsbit" : '';
	$result_url = makeUrlNS('Special', 'Log' . $paramsbit . '/resultpage=%s', false, true);
	$paginator = generate_paginator($page, ceil($rowcount / $pagesize), $result_url);
	
	$dataset = $log->get_data($page * $pagesize, $pagesize);
	
	$output->header();
	
	// breadcrumbs
	if ( $fmt != 'naked' )
	{
		echo '<div class="breadcrumbs" style="font-weight: normal;" id="log-breadcrumbs">';
		echo speciallog_generate_breadcrumbs($log->get_criteria());
		echo '</div>';
	
	// form
	?>
	
	<!-- Begin filter add form -->
	
	<form action="<?php echo makeUrlNS('Special', 'Log/AddFilter', false, true); ?>" method="post" enctype="multipart/form-data">
		<?php
		// serialize parameters
		$params_pre = rtrim(preg_replace('#/?resultpage=[0-9]+/?#', '/', $paths->getAllParams()), '/');
		echo '<input type="hidden" name="existing_filters" value="' . htmlspecialchars($params_pre) . '" />';
		?>
		<script type="text/javascript">//<![CDATA[
			addOnloadHook(function()
				{
					load_component('jquery');
					$('#log_addfilter_select').change(function()
						{
							var value = $(this).val();
							$('.log_addfilter').hide();
							$('#log_addform_' + value).show();
						});
					$('#log_addform_' + $('#log_addfilter_select').val()).show();
				});
		// ]]>
		</script>
		<?php
		if ( isset($adderror) )
		{
			echo '<div class="error-box">' . $adderror . '</div>';
		}
		?>
		<div class="tblholder">
		<table border="0" cellspacing="1" cellpadding="4">
			<tr>
				<th colspan="2">
					<?php echo $lang->get('log_heading_addfilter'); ?>
				</th>
			</tr>
			<tr>
			<td class="row1" style="width: 50%; text-align: right;">
					<select name="type" id="log_addfilter_select">
						<option value="user"><?php echo $lang->get('log_form_filtertype_user'); ?></option>
						<option value="page"><?php echo $lang->get('log_form_filtertype_page'); ?></option>
						<option value="within"><?php echo $lang->get('log_form_filtertype_within'); ?></option>
						<option value="action"><?php echo $lang->get('log_form_filtertype_action'); ?></option>
						<option value="minor"><?php echo $lang->get('log_form_filtertype_minor'); ?></option>
					</select>
				</td>
				<td class="row1" style="width: 50%; text-align: left;">
					<div class="log_addfilter" id="log_addform_user">
						<input type="text" class="autofill username" name="value[user]" size="40" />
					</div>
					<div class="log_addfilter" id="log_addform_page">
						<input type="text" class="autofill page" name="value[page]" size="40" />
					</div>
					<div class="log_addfilter" id="log_addform_within">
						<input type="text" name="value[within]" size="7" />
						<select name="value[withinunits]">
							<option value="d"><?php echo $lang->get('etc_unit_days'); ?></option>
							<option value="w"><?php echo $lang->get('etc_unit_weeks'); ?></option>
							<option value="m"><?php echo $lang->get('etc_unit_months'); ?></option>
							<option value="y"><?php echo $lang->get('etc_unit_years'); ?></option>
						</select>
					</div>
					<div class="log_addfilter" id="log_addform_action">
						<select name="value[action]">
							<option value="rename"><?php echo $lang->get('log_formaction_rename'); ?></option>
							<option value="create"><?php echo $lang->get('log_formaction_create'); ?></option>
							<option value="delete"><?php echo $lang->get('log_formaction_delete'); ?></option>
							<option value="protect"><?php echo $lang->get('log_action_protect'); ?></option>
							<option value="edit"><?php echo $lang->get('log_action_edit'); ?></option>
							<option value="edit"><?php echo $lang->get('log_formaction_reupload'); ?></option>
							<option value="edit"><?php echo $lang->get('log_formaction_votereset'); ?></option>
						</select>
					</div>
					<div class="log_addfilter" id="log_addform_minor">
						<label>
							<input type="radio" name="value[minor]" value="1" checked="checked" />
							<?php echo $lang->get('log_form_filtertype_minor_yes'); ?>
						</label>
						<label>
							<input type="radio" name="value[minor]" value="0" />
							<?php echo $lang->get('log_form_filtertype_minor_no'); ?>
						</label>
					</div>
				</td>
			</tr>
			<tr>
				<th colspan="2" class="subhead">
					<input type="submit" value="<?php echo $lang->get('log_btn_add_filter'); ?>" />
				</th>
			</tr>
		</table>
		</div>
	
	</form>
	
	<!-- End filter add form -->
	
	<?php
	
	}
	
	// start of actual log output area
	if ( $fmt != 'naked' )
	{
		echo '<div id="log-body">';
	}
	
	if ( $rowcount > 0 )
	{
		// we have some results, show pagination + result list
		echo '<h3 style="float: left;">' . $lang->get('log_heading_logdisplay') . '</h3>';
		
		echo $paginator;
		// padding
		echo '<div style="height: 10px; clear: both;"></div>';
		foreach ( $dataset as $row )
		{
			echo LogDisplay::render_row($row) . '<br />';
		}
		echo $paginator;
	}
	else
	{
		// no results
		echo '<h2 class="emptymessage">' . $lang->get('log_msg_no_results') . '</h2>';
	}
	
	if ( $fmt != 'naked' )
		echo '</div> <!-- div#log-body -->';
	
	$output->footer();
}

function speciallog_generate_breadcrumbs($criteria)
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	global $lang;
	
	if ( count($criteria) == 0 )
	{
		return $lang->get('log_msg_no_filters');
	}
	
	$html = array();
	foreach ( $criteria as $criterion )
	{
		list($type, $value) = $criterion;
		switch($type)
		{
			case 'user':
				$rank_info = $session->get_user_rank($value);
				$user_link = '<a href="' . makeUrlNS('User', $value, false, true) . '" style="' . $rank_info['rank_style'] . '" title="' . htmlspecialchars($lang->get($rank_info['rank_title'])) . '">';
				$user_link .= htmlspecialchars(str_replace('_', ' ', $value)) . '</a>';
				
				$crumb = $lang->get('log_breadcrumb_author', array('user' => $user_link));
				break;
			case 'page':
				list($pid, $ns) = RenderMan::strToPageID($value);
				$ns = namespace_factory($pid, $ns);
				$exist = $ns->exists() ? '' : ' class="wikilink-nonexistent"';
				$crumb = $lang->get('log_breadcrumb_page', array('page' => '<a' . $exist . ' href="' . makeUrl($value, false, true) . '">' . htmlspecialchars($ns->title) . '</a>'));
				break;
			case 'action':
				$action = ( $lang->get("log_formaction_{$value}") === "log_formaction_{$value}" ) ? $lang->get("log_action_{$value}") : $lang->get("log_formaction_{$value}");
				$crumb = $lang->get('log_breadcrumb_action', array('action' => htmlspecialchars($action)));
				break;
			case 'minor':
				$crumb = $value == '1' ? $lang->get('log_form_filtertype_minor_yes') : $lang->get('log_form_filtertype_minor_no');
				break;
			case 'within':
				$value = intval($value);
				if ( $value % 31536000 == 0 )
				{
					$n = $value / 31536000;
					$value = "$n " . $lang->get( $n > 1 ? 'etc_unit_years' : 'etc_unit_year' );
				}
				else if ( $value % 2592000 == 0 )
				{
					$n = $value / 2592000;
					$value = "$n " . $lang->get( $n > 1 ? 'etc_unit_months' : 'etc_unit_month' );
				}
				else if ( $value % 604800 == 0 )
				{
					$n = $value / 604800;
					$value = "$n " . $lang->get( $n > 1 ? 'etc_unit_weeks' : 'etc_unit_week' );
				}
				else if ( $value % 86400 == 0 )
				{
					$n = $value / 86400;
					$value = "$n " . $lang->get( $n > 1 ? 'etc_unit_days' : 'etc_unit_day' );
				}
				else
				{
					$value = "$value " . $lang->get( $value > 1 ? 'etc_unit_seconds' : 'etc_unit_second' );
				}
				$crumb = $lang->get('log_breadcrumb_within', array('time' => $value));
				break;
		}
		$html[] = $crumb . ' ' . speciallog_crumb_remove_link($criterion);
	}
	return implode(' &raquo; ', $html);
}

function speciallog_crumb_remove_link($criterion)
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	global $lang;
	
	list($type, $value) = $criterion;
	
	$params = explode('/', dirtify_page_id($paths->getAllParams()));
	foreach ( $params as $i => $param )
	{
		if ( $param === "$type=$value" )
		{
			unset($params[$i]);
			break;
		}
		else if ( $type === 'within' )
		{
			list($ptype, $pvalue) = explode('=', $param);
			if ( $ptype !== 'within' )
				continue;
			
			$lastchar = substr($pvalue, -1);
			$amt = intval($pvalue);
			switch($lastchar)
			{
				case 'd':
					$amt = $amt * 86400;
					break;
				case 'w':
					$amt = $amt * 604800;
					break;
				case 'm':
					$amt = $amt * 2592000;
					break;
				case 'y':
					$amt = $amt * 31536000;
					break;
			}
			if ( $amt === $value )
			{
				unset($params[$i]);
				break;
			}
		}
	}
	if ( count($params) > 0 )
	{
		$params = implode('/', $params);
		$url = makeUrlNS('Special', "Log/$params", false, true);
	}
	else
	{
		$url = makeUrlNS('Special', "Log", false, true);
	}
	
	return '<sup><a href="' . $url . '">(x)</a></sup>';
}