<?php

/**!info**

{

	"Plugin Name"  : "plugin_specialpagefuncs_title",

	"Plugin URI"   : "http://enanocms.org/",

	"Description"  : "plugin_specialpagefuncs_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.

 */

global $db, $session, $paths, $template, $plugins; // Common objects

// $plugins->attachHook('session_started', 'SpecialPageFuncs_paths_init();');

function SpecialPageFuncs_paths_init()

{

	register_special_page('CreatePage', 'specialpage_create_page');

	register_special_page('AllPages', 'specialpage_all_pages');

	register_special_page('SpecialPages', 'specialpage_special_pages');

	register_special_page('About_Enano', 'specialpage_about_enano');

	register_special_page('GNU_General_Public_License', 'specialpage_gnu_gpl');

	register_special_page('TagCloud', 'specialpage_tag_cloud');

	register_special_page('Autofill', 'specialpage_autofill', false);

	register_special_page('AjaxUpload', 'specialpage_ajaxupload', false);

}

// function names are IMPORTANT!!! The name pattern is: page_<namespace ID>_<page URLname, without namespace>

function page_Special_CreatePage()

{

	global $db, $session, $paths, $template, $plugins; // Common objects

	global $lang;

	$whitelist_ns = array('Article', 'User', 'Help', 'Template', 'Category', 'Project');

	if ( $session->user_level >= USER_LEVEL_ADMIN )

	{

		$whitelist_ns[] = 'System';

	}

	$code = $plugins->setHook('page_create_ns_whitelist');

	foreach ( $code as $cmd )

	{

		eval($cmd);

	}

	$errors = array();

	switch ( isset($_POST['page_title']) )

	{

		case true:

			// "Create page" was clicked

			//

			// VALIDATION CODE

			//

			// Check namespace

			$namespace = ( isset($_POST['namespace']) ) ? $_POST['namespace'] : 'Article';

			if ( !in_array($namespace, $whitelist_ns) )

			{

				$errors[] = $lang->get('pagetools_create_err_invalid_namespace');

			}

			// Check title and figure out urlname

			$title = $_POST['page_title'];

			$urlname = $_POST['page_title'];

			if ( @$_POST['custom_url'] === 'yes' && isset($_POST['urlname']) )

			{

				$urlname = $_POST['urlname'];

			}

			$urlname = sanitize_page_id($urlname);

			if ( $urlname == '.00' || empty($urlname) )

			{

				$errors[] = $lang->get('pagetools_create_err_invalid_urlname');

			}

			// Validate page existence

			$pathskey = $paths->nslist[$namespace] . $urlname;

			if ( isPage($pathskey) )

			{

				$errors[] = $lang->get('pagetools_create_err_already_exists');

			}

			// Validate permissions

			$perms = $session->fetch_page_acl($urlname, $namespace);

			if ( !$perms->get_permissions('create_page') )

			{

				$errors[] = $lang->get('pagetools_create_err_no_permission');

			}

			// Run hooks

			$code = $plugins->setHook('page_create_request');

			foreach ( $code as $cmd )

			{

				eval($cmd);

			}

			// Create the page

			if ( count($errors) < 1 )

			{

				$page = new PageProcessor($urlname, $namespace);

				$page->create_page($title);

				if ( $error = $page->pop_error() )

				{

					do

					{

						$errors[] = $error;

					}

					while ( $error = $page->pop_error() );

				}

				else

				{

					redirect(makeUrlNS($namespace, $urlname) . '#do:edit', '', '', 0);

					return true;

				}

			}

			break;

	}

	$template->header();

	echo $lang->get('pagetools_create_blurb');

	if ( count($errors) > 0 )

	{

		echo '<div class="error-box">' . implode("<br />\n        ", $errors) . '</div>';

	}

	?>

	<enano:no-opt>

	<script type="text/javascript">

		window.cpGenPreviewUrl = function()

		{

			if ( typeof(load_component) != 'function' )

				return false;

			var frm = document.forms['create_form'];

			var radio_custom = frm.getElementsByTagName('input')[2];

			var use_custom_url = radio_custom.checked;

			if ( use_custom_url )

			{

				var title_src = frm.urlname.value;

			}

			else

			{

				var title_src = frm.page_title.value;

			}

			var url = window.location.protocol + '//' + window.location.hostname + contentPath + namespace_list[frm.namespace.value] + sanitize_page_id(title_src);

			document.getElementById('createpage_url_preview').firstChild.nodeValue = url;

		}

	</script>

	</enano:no-opt>

	<?php

	echo '<form action="' . makeUrlNS('Special', 'CreatePage') . '" method="post" name="create_form">';

	echo '<p>';

		echo $lang->get('pagetools_create_field_title');

		echo ' <input onkeyup="cpGenPreviewUrl();" type="text" name="page_title" size="40" tabindex="1" />';

		echo '</p>';

	echo '<p>';

		echo $lang->get('pagetools_create_field_namespace');

		echo ' <select onchange="cpGenPreviewUrl();" name="namespace" tabindex="2">';

		foreach ( $paths->nslist as $ns => $ns_prefix )

		{

			if ( !in_array($ns, $whitelist_ns) )

				continue;

			$lang_string = 'onpage_lbl_page_' . strtolower($ns);

			$str = $lang->get($lang_string);

			if ( $str == $lang_string )

				$str = $ns;

			echo '<option value="' . $ns . '">' . ucwords($str) . '</option>';

		}

		echo '</select>';

		echo '</p>';

	echo '<fieldset enano:expand="closed">';

	echo '<legend>' . $lang->get('pagetools_create_group_advanced') . '</legend>';

	echo '<p>';

		echo '<label><input tabindex="3" type="radio" name="custom_url" value="no" checked="checked" onclick="cpGenPreviewUrl(); document.getElementById(\'createpage_custom_url\').style.display = \'none\';" /> ' . $lang->get('pagetools_create_field_url_auto') . '</label>';

		echo '</p>';

	echo '<p>';

		echo '<label><input tabindex="3" type="radio" name="custom_url" value="yes" onclick="cpGenPreviewUrl(); document.getElementById(\'createpage_custom_url\').style.display = \'block\';" /> ' . $lang->get('pagetools_create_field_url_manual') . '</label>';

		echo '</p>';

	echo '<p id="createpage_custom_url" style="display: none; margin-left: 2em;">';

		echo $lang->get('pagetools_create_field_url');

		echo ' <input onkeyup="cpGenPreviewUrl();" tabindex="4" type="text" name="urlname" value="" size="40" />';

		echo '</p>';

	echo '<p>';

		echo $lang->get('pagetools_create_field_preview') . ' <tt id="createpage_url_preview"> </tt><br />';

		echo '<small>' . $lang->get('pagetools_create_field_preview_hint') . '</small>';

		echo '</p>';

	echo '</fieldset>';

	echo '<p>';

		echo '<input tabindex="5" type="submit" value="' . $lang->get('pagetools_create_btn_create') . '" />';

		echo '</p>';

	echo '</form>';

	echo '<script type="text/javascript">addOnloadHook(cpGenPreviewUrl); addOnloadHook(function(){load_component(\'expander\')});</script>';

	$template->footer();

}

function PagelistingFormatter($id, $row)

{

	global $db, $session, $paths, $template, $plugins; // Common objects

	static $rowtracker = 0;

	static $tdclass = 'row2';

	static $per_row = 2;

	static $first = true;

	$return = '';

	if ( $id === false && $row === false )

	{

		$rowtracker = 0;

		$first = true;

		return false;

	}

	$rowtracker++;

	if ( $rowtracker == $per_row || $first )

	{

		$rowtracker = 0;

		$tdclass = ( $tdclass == 'row2' ) ? 'row1' : 'row2';

	}

	if ( $rowtracker == 0 && !$first )

		$return .= "</tr>\n<tr>";

	$first = false;

	preg_match('/^ns=(' . implode('|', array_keys($paths->nslist)) . ');pid=(.*?)$/i', $id, $match);

	$namespace =& $match[1];

	$page_id   =& $match[2];

	$page_id   = sanitize_page_id($page_id);

	$url = makeUrlNS($namespace, $page_id);

	$url = htmlspecialchars($url);

	$link = '<a href="' . $url . '">' . htmlspecialchars($row['name']) . '</a>';

	$td = '<td class="' . $tdclass . '" style="width: 50%;">' . $link . '</td>';

	$return .= $td;

	return $return;

}

function page_Special_AllPages() 

{

	// This should be an easy one

	global $db, $session, $paths, $template, $plugins; // Common objects

	global $lang;

	$template->header();

	echo '<p>' . $lang->get('pagetools_allpages_blurb') . '</p>';

	$q = $db->sql_query('SELECT COUNT(urlname) FROM '.table_prefix.'pages WHERE visible!=0;');

	if ( !$q )

		$db->_die();

	$row = $db->fetchrow_num();

	$count = $row[0];

	$sz =& $count;

	switch($count % 4)

	{

		case 0:

		case 2:

			// even number of results; do nothing

			$last_cell = '';

			break;

		case 1:

			// odd number of results and odd number of rows, use row1

			$last_cell = '<td class="row1"></td>';

			break;

		case 3:

			// odd number of results and even number of rows, use row2

			$last_cell = '<td class="row2"></td>';

			break;

	}

	$db->free_result();

	// This query needs to be generated based on the DBMS

	$concat_column = ENANO_DBLAYER == 'MYSQL'

 										? 'CONCAT("ns=",namespace,";pid=",urlname)'

 										: "'ns=' || namespace || ';pid=' || urlname";

	$q = $db->sql_unbuffered_query("SELECT $concat_column AS identifier, name FROM " . table_prefix . "pages WHERE visible != 0 ORDER BY name ASC;");

	if ( !$q )

		$db->_die();

	$offset = ( isset($_GET['offset']) ) ? intval($_GET['offset']) : 0;

	// reset formatter

	PagelistingFormatter(false, false);

	$result = paginate(

			$q,                  // result resource

			'{identifier}',      // formatting template

			$count,              // # of results

			makeUrlNS('Special', 'AllPages', 'offset=%s'), // result URL

			$offset,             // start offset

			40,                  // results per page

			array( 'identifier' => 'PagelistingFormatter' ), // hooks

			'<div class="tblholder">

 				<table border="0" cellspacing="1" cellpadding="4">

 					<tr>',          // print at start

			'		' . $last_cell . '</tr>

 				</table>

 			</div>'             // print at end

 			);

	echo $result;

	$template->footer();

}

function page_Special_SpecialPages()

{

	// This should be an easy one

	global $db, $session, $paths, $template, $plugins; // Common objects

	global $lang;

	$template->header();

	echo '<p>' . $lang->get('pagetools_specialpages_blurb') . '</p><div class="tblholder"><table border="0" width="100%" cellspacing="1" cellpadding="4"><tr>';

	$cclass = 'row1';

	$i = -1;

	foreach ( $paths->pages as $cdata )

	{

		if ( $cdata['namespace'] != 'Special' )

			continue;

		$i++;

		if ( $i % 2 == 0 && $i > 0 )

		{

			echo '</tr><tr>';

			$cclass = ( $cclass == 'row1' ) ? 'row3' : 'row1';

		}

		echo '<td style="width: 50%;" class="' . $cclass . '">';

		echo '<a href="' . makeUrl($cdata['urlname']) . '">';

		echo htmlspecialchars($lang->get($cdata['name']));

		echo '</a>';

		echo '</td>';

	}

	// close up the table if necessary

	if ( $i % 2 == 0 )

	{

		echo "<td class=\"$cclass\"></td>";

	}

	echo '</table></div>';

	$template->footer();

}

function page_Special_About_Enano()

{

	global $db, $session, $paths, $template, $plugins; // Common objects

	global $lang;

	$platform = 'Unknown';

	$uname = @file_get_contents('/proc/sys/kernel/ostype');

	if($uname == "Linux\n")

		$platform = 'Linux';

	else if(@file_exists('/hurd/pfinet')) // I have a little experience with GNU/Hurd :-) http://hurdvm.enanocms.org/

		$platform = 'GNU/Hurd';

	else if(strtolower(PHP_OS) == 'winnt')

		$platform = 'Windows NT';

	else if(strtolower(PHP_OS) == 'win32')

		$platform = 'Windows 9x/DOS';

	else if(@file_exists('/System/Library/CoreServices/SystemVersion.plist'))

		$platform = 'Mac OS X';

	else if(@file_exists('/bin/bash'))

		$platform = 'Other GNU';

	else if(@is_dir('/bin'))

		$platform = 'Other POSIX';

	$template->header();

	?>

	<br />

	<div class="tblholder">

		<table border="0" cellspacing="1" cellpadding="4">

			<tr><th colspan="2" style="text-align: left;"><?php echo $lang->get('meta_enano_about_th'); ?></th></tr>

			<tr><td colspan="2" class="row3">

				<?php

				echo $lang->get('meta_enano_about_poweredby', array(

						'year'     => date('Y')

					));

				$subst = array(

						'gpl_link' => makeUrlNS('Special', 'GNU_General_Public_License')

					);

				echo $lang->get('meta_enano_about_gpl', $subst);

				if ( $lang->lang_code != 'eng' ):

				// Do not remove this block of code. Doing so is a violation of the GPL. (A copy of the GPL in other languages

				// must be accompanied by a copy of the English GPL.)

				?>

				<h3>(English)</h3>

				<p>

					This website is powered by <a href="http://enanocms.org/">Enano</a>, the lightweight and open source CMS that everyone can use.

					Enano is copyright &copy; 2006-<?php echo date('Y'); ?> Dan Fuhry. For legal information, along with a list of libraries that

					Enano uses, please see <a href="http://enanocms.org/Legal_information">Legal Information</a>.

				</p>

				<p>

					The developers and maintainers of Enano strongly believe that software should not only be free to use, but free to be modified,

					distributed, and used to create derivative works. To help achieve this goal, we use licensing terms that require you to pass on

					the freedoms we give you when you share Enano. For more information about Free Software, check out the

					<a href="http://en.wikipedia.org/wiki/Free_Software" onclick="window.open(this.href); return false;">Wikipedia page</a> or

					the <a href="http://www.fsf.org/" onclick="window.open(this.href); return false;">Free Software Foundation's</a> homepage.

				</p>

				<p>

					This program is Free Software; you can redistribute it 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.

				</p>

				<p>

					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.

				</p>

				<p>

					You should have received <a href="<?php echo makeUrlNS('Special', 'GNU_General_Public_License'); ?>">a copy of

					the GNU General Public License</a> along with this program; if not, write to:

				</p>

				<p style="margin-left 2em;">

					Free Software Foundation, Inc.,<br />

					51 Franklin Street, Fifth Floor<br />

					Boston, MA 02110-1301, USA

				</p>

				<p>

					Alternatively, you can <a href="http://www.gnu.org/licenses/old-licenses/gpl-2.0.html">read it online</a>.

				</p>

				<?php

				endif;

				?>

			</td></tr>

			<tr>

				<td class="row2" colspan="2">

					<table border="0" style="margin: 0 auto; background: none; width: 100%;" cellpadding="5">

						<tr>

							<td style="text-align: center;">

								<?php echo $template->fading_button; ?>

							</td>

							<td style="text-align: center;">

								<a href="http://www.php.net/" onclick="window.open(this.href); return false;" style="background: none; padding: 0;">

									<img alt="Written in PHP" src="<?php echo scriptPath; ?>/images/about-powered-php.png" style="border-width: 0px;" width="88" height="31" />

								</a>

							</td>

							<td style="text-align: center;">

								<?php

								switch(ENANO_DBLAYER)

								{

									case 'MYSQL':

										?>

										<a href="http://www.mysql.com/" onclick="window.open(this.href); return false;" style="background: none; padding: 0;">

											<img alt="Database engine powered by MySQL" src="<?php echo scriptPath; ?>/images/about-powered-mysql.png" style="border-width: 0px;" width="88" height="31" />

										</a>

										<?php

										break;

									case 'PGSQL':

										?>

										<a href="http://www.postgresql.org/" onclick="window.open(this.href); return false;" style="background: none; padding: 0;">

											<img alt="Database engine powered by PostgreSQL" src="<?php echo scriptPath; ?>/images/about-powered-pgsql.png" style="border-width: 0px;" width="90" height="30" />

										</a>

										<?php

										break;

								}

								?>

							</td>

						</tr>

					</table>

				</td>

			</tr>

			<tr><td style="width: 100px;" class="row1"><?php echo $lang->get('meta_enano_about_lbl_enanoversion'); ?></td><td class="row1"><?php echo enano_version(true) . ' (' . enano_codename() . ')'; ?></td></tr>

			<tr><td style="width: 100px;" class="row2"><?php echo $lang->get('meta_enano_about_lbl_webserver'); ?></td><td class="row2"><?php if(isset($_SERVER['SERVER_SOFTWARE'])) echo $_SERVER['SERVER_SOFTWARE']; else echo 'Unable to determine web server software.'; ?></td></tr>

			<tr><td style="width: 100px;" class="row1"><?php echo $lang->get('meta_enano_about_lbl_serverplatform'); ?></td><td class="row1"><?php echo $platform; ?></td></tr>

			<tr><td style="width: 100px;" class="row2"><?php echo $lang->get('meta_enano_about_lbl_phpversion'); ?></td><td class="row2"><?php echo PHP_VERSION; ?></td></tr>

			<?php

			switch(ENANO_DBLAYER)

			{

				case 'MYSQL':

					?>