X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=lib%2Futil.php;h=1a0dd07d2628552ab6c2551f33ce95dac3c5342a;hb=3f1f1427d9d65215af7546de2ad5c16120f44857;hp=18ac303d5831ae1ab476873d06f24a57d18bc2aa;hpb=fddcfd75c53b8e08be5b71ca24c31b6982fea7ad;p=quix0rs-gnu-social.git

diff --git a/lib/util.php b/lib/util.php
index 18ac303d58..1a0dd07d26 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -94,16 +94,15 @@ function common_element_start($tag, $attrs=NULL) {
 
 function common_element_end($tag) {
 	global $xw;
-	$xw->endElement();
+	# TODO: switch based on $tag
+	$xw->fullEndElement();
 }
 
 function common_element($tag, $attrs=NULL, $content=NULL) {
     common_element_start($tag, $attrs);
-	if ($content) {
-		global $xw;
-		$xw->text($content);
-	}
-	common_element_end($tag);
+    global $xw;
+    $xw->text($content);
+    common_element_end($tag);
 }
 
 function common_start_xml($doc=NULL, $public=NULL, $system=NULL) {
@@ -124,22 +123,22 @@ function common_end_xml() {
 }
 
 define('PAGE_TYPE_PREFS', 'application/xhtml+xml,text/html;q=0.7,application/xml;q=0.3,text/xml;q=0.2');
-	   
+
 function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=NULL) {
 	global $config, $xw;
 
 	$httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? $_SERVER['HTTP_ACCEPT'] : NULL;
 
 	# XXX: allow content negotiation for RDF, RSS, or XRDS
-	
+
 	$type = common_negotiate_type(common_accept_to_prefs($httpaccept),
 								  common_accept_to_prefs(PAGE_TYPE_PREFS));
 
 	if (!$type) {
-		common_client_error(_t('This page is not available in a media type you accept'), 406);
+		common_user_error(_t('This page is not available in a media type you accept'), 406);
 		exit(0);
 	}
-	
+
 	header('Content-Type: '.$type);
 
 	common_start_xml('html',
@@ -163,14 +162,17 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=
 		if (file_exists(theme_file('ie'.$ver.'.css'))) {
 			# Yes, IE people should be put in jail.
 			$xw->writeComment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
-							  'href="'.theme_path('ie'.$ver.'.css').' /><![endif]');
+							  'href="'.theme_path('ie'.$ver.'.css').'" /><![endif]');
 		}
 	}
-	
+
 	common_element('script', array('type' => 'text/javascript',
 								   'src' => common_path('js/jquery.min.js')),
 				   ' ');
-						 
+	common_element('script', array('type' => 'text/javascript',
+								   'src' => common_path('js/util.js')),
+				   ' ');
+
 	if ($callable) {
 		if ($data) {
 			call_user_func($callable, $data);
@@ -183,17 +185,24 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=
 	common_element_start('div', array('id' => 'wrap'));
 	common_element_start('div', array('id' => 'header'));
 	common_nav_menu();
-	if ($config['site']['logo'] || file_exists(theme_file('logo.png'))) {
+	if ((is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
+		|| file_exists(theme_file('logo.png')))
+	{
 		common_element_start('a', array('href' => common_local_url('public')));
 		common_element('img', array('src' => ($config['site']['logo']) ?
 									($config['site']['logo']) : theme_path('logo.png'),
 									'alt' => $config['site']['name'],
 									'id' => 'logo'));
 		common_element_end('a');
+	} else {
+		common_element_start('p', array('id' => 'branding'));
+		common_element('a', array('href' => common_local_url('public')),
+					   $config['site']['name']);
+		common_element_end('p');
 	}
+
 	common_element('h1', 'pagetitle', $pagetitle);
-	common_element('h2', 'sitename', $config['site']['name']);
-	
+
 	if ($headercall) {
 		if ($data) {
 			call_user_func($headercall, $data);
@@ -210,16 +219,20 @@ function common_show_footer() {
 	common_element_end('div'); # content div
 	common_foot_menu();
 	common_element_start('div', array('id' => 'footer'));
-	common_element_start('p', 'laconica');
-	common_text(_t('This site is running the '));
-	common_element('a', array('class' => 'software',
-							  href => 'http://laconi.ca/'),
-				   'Laconica');
-	common_text(_t('microblogging tool, version ' . LACONICA_VERSION . ', available under the '));
-	common_element('a', array(href => 'http://www.fsf.org/licensing/licenses/agpl-3.0.html'),
-				   'GNU Affero General Public License');
-	common_text(_t('.'));
-	common_element_end('p');
+	common_element_start('div', 'laconica');
+	if (common_config('site', 'broughtby')) {
+		$instr = _t('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
+	} else {
+		$instr = _t('**%%site.name%%** is a microblogging service. ');
+	}
+	$instr .= _t('It runs the [Laconica](http://laconi.ca/) ' .
+		         'microblogging software, version ' . LACONICA_VERSION . ', ' .
+		         'available under the ' .
+		         '[GNU Affero General Public License]' .
+		         '(http://www.fsf.org/licensing/licenses/agpl-3.0.html).');
+    $output = common_markup_to_html($instr);
+    common_raw($output);
+	common_element_end('div');
 	common_element('img', array('id' => 'cc',
 								'src' => $config['license']['image'],
 								'alt' => $config['license']['title']));
@@ -275,10 +288,14 @@ function common_foot_menu() {
 	common_element_start('ul', array('id' => 'nav_sub'));
 	common_menu_item(common_local_url('doc', array('title' => 'about')),
 					 _t('About'));
+	common_menu_item(common_local_url('doc', array('title' => 'faq')),
+					 _t('FAQ'));
 	common_menu_item(common_local_url('doc', array('title' => 'privacy')),
 					 _t('Privacy'));
 	common_menu_item(common_local_url('doc', array('title' => 'source')),
 					 _t('Source'));
+	common_menu_item(common_local_url('doc', array('title' => 'contact')),
+					 _t('Contact'));
 	common_element_end('ul');
 }
 
@@ -301,6 +318,7 @@ function common_input($id, $label, $value=NULL,$instructions=NULL) {
 	common_element('label', array('for' => $id), $label);
 	$attrs = array('name' => $id,
 				   'type' => 'text',
+				   'class' => 'input_text',
 				   'id' => $id);
 	if ($value) {
 		$attrs['value'] = htmlspecialchars($value);
@@ -312,6 +330,30 @@ function common_input($id, $label, $value=NULL,$instructions=NULL) {
 	common_element_end('p');
 }
 
+function common_checkbox($id, $label, $checked=false, $instructions=NULL, $value='true')
+{
+	common_element_start('p');
+	$attrs = array('name' => $id,
+				   'type' => 'checkbox',
+				   'class' => 'checkbox',
+				   'id' => $id);
+	if ($value) {
+		$attrs['value'] = htmlspecialchars($value);
+	}
+	if ($checked) {
+		$attrs['checked'] = 'checked';
+	}
+	common_element('input', $attrs);
+	# XXX: use a <label>
+	common_text(' ');
+	common_element('span', 'checkbox_label', $label);
+	common_text(' ');
+	if ($instructions) {
+		common_element('span', 'input_instructions', $instructions);
+	}
+	common_element_end('p');
+}
+
 function common_hidden($id, $value) {
 	common_element('input', array('name' => $id,
 								  'type' => 'hidden',
@@ -324,6 +366,7 @@ function common_password($id, $label, $instructions=NULL) {
 	common_element('label', array('for' => $id), $label);
 	$attrs = array('name' => $id,
 				   'type' => 'password',
+				   'class' => 'password',
 				   'id' => $id);
 	common_element('input', $attrs);
 	if ($instructions) {
@@ -350,7 +393,7 @@ function common_textarea($id, $label, $content=NULL, $instructions=NULL) {
 									 'cols' => 40,
 									 'name' => $id,
 									 'id' => $id),
-				   ($content) ? $content : ' ');
+				   ($content) ? $content : '');
 	if ($instructions) {
 		common_element('span', 'input_instructions', $instructions);
 	}
@@ -359,8 +402,8 @@ function common_textarea($id, $label, $content=NULL, $instructions=NULL) {
 
 # salted, hashed passwords are stored in the DB
 
-function common_munge_password($id, $password) {
-	return md5($id . $password);
+function common_munge_password($password, $id) {
+	return md5($password . $id);
 }
 
 # check if a username exists and has matching password
@@ -406,19 +449,109 @@ function common_set_user($nickname) {
 	return false;
 }
 
+function common_set_cookie($key, $value, $expiration=0) {
+	$path = common_config('site', 'path');
+	$server = common_config('site', 'server');
+
+	if ($path && ($path != '/')) {
+		$cookiepath = '/' . $path . '/';
+	} else {
+		$cookiepath = '/';
+	}
+	return setcookie($key,
+	                 $value,
+	          		 $expiration,
+			  		 $cookiepath,
+			  	     $server);
+}
+
+define('REMEMBERME', 'rememberme');
+define('REMEMBERME_EXPIRY', 30 * 24 * 60 * 60);
+
+function common_rememberme() {
+	$user = common_current_user();
+	if (!$user) {
+		return false;
+	}
+	$rm = new Remember_me();
+	$rm->code = common_good_rand(16);
+	$rm->user_id = $user->id;
+	$result = $rm->insert();
+	if (!$result) {
+		common_log_db_error($rm, 'INSERT', __FILE__);
+		return false;
+	}
+	common_set_cookie(REMEMBERME,
+					  implode(':', array($rm->user_id, $rm->code)),
+					  time() + REMEMBERME_EXPIRY);
+	return true;
+}
+
+function common_remembered_user() {
+	$user = NULL;
+	# Try to remember
+	$packed = $_COOKIE[REMEMBERME];
+	if ($packed) {
+		list($id, $code) = explode(':', $packed);
+		if ($id && $code) {
+			$rm = Remember_me::staticGet($code);
+			if ($rm && ($rm->user_id == $id)) {
+				$user = User::staticGet($rm->user_id);
+				if ($user) {
+					# successful!
+					$result = $rm->delete();
+					if (!$result) {
+						common_log_db_error($rm, 'DELETE', __FILE__);
+						$user = NULL;
+					} else {
+						common_set_user($user->nickname);
+						common_real_login(false);
+						# We issue a new cookie, so they can log in
+						# automatically again after this session
+						common_rememberme();
+					}
+				}
+			}
+		}
+	}
+	return $user;
+}
+
+# must be called with a valid user!
+
+function common_forgetme() {
+	common_set_cookie(REMEMBERME, '', 0);
+}
+
 # who is the current user?
 function common_current_user() {
-	static $user = NULL; # FIXME: global memcached
-	if (is_null($user)) {
+	if ($_REQUEST[session_name()]) {
 		common_ensure_session();
 		$id = $_SESSION['userid'];
 		if ($id) {
+			# note: this should cache
 			$user = User::staticGet($id);
+			return $user;
 		}
 	}
+	# that didn't work; try to remember
+	$user = common_remembered_user();
 	return $user;
 }
 
+# Logins that are 'remembered' aren't 'real' -- they're subject to
+# cookie-stealing. So, we don't let them do certain things. New reg,
+# OpenID, and password logins _are_ real.
+
+function common_real_login($real=true) {
+	common_ensure_session();
+	$_SESSION['real_login'] = $real;
+}
+
+function common_is_real_login() {
+	return common_logged_in() && $_SESSION['real_login'];
+}
+
 # get canonical version of nickname for comparison
 function common_canonical_nickname($nickname) {
 	# XXX: UTF-8 canonicalization (like combining chars)
@@ -438,7 +571,7 @@ function common_render_content($text, $notice) {
 	$r = htmlspecialchars($text);
 	$id = $notice->profile_id;
 	$r = preg_replace('@https?://\S+@', '<a href="\0" class="extlink">\0</a>', $r);
-	$r = preg_replace('/(^|\b)@([\w-]+)($|\b)/e', "'\\1@'.common_at_link($id, '\\2').'\\3'", $r);
+	$r = preg_replace('/(^|\s+)@([a-z0-9]{1,64})/e', "'\\1@'.common_at_link($id, '\\2')", $r);
 	# XXX: # tags
 	# XXX: machine tags
 	return $r;
@@ -466,8 +599,7 @@ function common_at_link($sender_id, $nickname) {
 	if ($sender) {
 		$recipient_user = User::staticGet('nickname', $nickname);
 		if ($recipient_user) {
-			$recipient = $recipient->getProfile();
-			return '<a href="'.htmlspecialchars($recipient->profileurl).'" class="atlink usertouser">'.$nickname.'</a>';
+			return '<a href="'.htmlspecialchars(common_profile_url($nickname)).'" class="atlink usertouser">'.$nickname.'</a>';
 		}
 	}
 	# Otherwise, no links. @messages from local users to remote users,
@@ -497,6 +629,15 @@ function common_avatar_url($filename) {
 	return common_path('avatar/'.$filename);
 }
 
+function common_avatar_display_url($avatar) {
+	$server = common_config('avatar', 'server');
+	if ($server) {
+		return 'http://'.$server.'/'.$avatar->filename;
+	} else {
+		return $avatar->url;
+	}
+}
+
 function common_default_avatar($size) {
 	static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
 							  AVATAR_STREAM_SIZE => 'stream',
@@ -523,6 +664,8 @@ function common_fancy_url($action, $args=NULL) {
 		}
 	 case 'publicrss':
 		return common_path('rss');
+	 case 'publicxrds':
+		return common_path('xrds');
 	 case 'doc':
 		return common_path('doc/'.$args['title']);
 	 case 'login':
@@ -531,6 +674,12 @@ function common_fancy_url($action, $args=NULL) {
 	 case 'subscribe':
 	 case 'unsubscribe':
 		return common_path('main/'.$action);
+	 case 'remotesubscribe':
+		if ($args && $args['nickname']) {
+			return common_path('main/remote?nickname=' . $args['nickname']);
+		} else {
+			return common_path('main/remote');
+		}
 	 case 'openidlogin':
 		return common_path('main/openid');
 	 case 'avatar':
@@ -544,11 +693,11 @@ function common_fancy_url($action, $args=NULL) {
 		return common_path('notice/new');
 	 case 'shownotice':
 		return common_path('notice/'.$args['notice']);
-	 case 'xrds':		
+	 case 'xrds':
 	 case 'foaf':
 		return common_path($args['nickname'].'/'.$action);
 	 case 'subscriptions':
-	 case 'subscribed':
+	 case 'subscribers':
 	 case 'all':
 		if ($args && $args['page']) {
 			return common_path($args['nickname'].'/'.$action.'?page=' . $args['page']);
@@ -565,6 +714,18 @@ function common_fancy_url($action, $args=NULL) {
 		} else {
 			return common_path($args['nickname']);
 		}
+	 case 'confirmaddress':
+		return common_path('main/confirmaddress/'.$args['code']);
+	 case 'userbyid':
+	 	return common_path('user/'.$args['id']);
+	 case 'recoverpassword':
+	    $path = 'main/recoverpassword';
+	    if ($args['code']) {
+	    	$path .= '/' . $args['code'];
+		}
+	    return common_path($path);
+	 case 'imsettings':
+	 	return common_path('settings/im');
 	 default:
 		return common_simple_url($action, $args);
 	}
@@ -591,7 +752,40 @@ function common_path($relative) {
 function common_date_string($dt) {
 	// XXX: do some sexy date formatting
 	// return date(DATE_RFC822, $dt);
-	return $dt;
+	$t = strtotime($dt);
+	$now = time();
+	$diff = $now - $t;
+
+	if ($now < $t) { # that shouldn't happen!
+		return common_exact_date($dt);
+	} else if ($diff < 60) {
+		return _t('a few seconds ago');
+	} else if ($diff < 92) {
+		return _t('about a minute ago');
+	} else if ($diff < 3300) {
+		return _t('about ') . round($diff/60) . _t(' minutes ago');
+	} else if ($diff < 5400) {
+		return _t('about an hour ago');
+	} else if ($diff < 22 * 3600) {
+		return _t('about ') . round($diff/3600) . _t(' hours ago');
+	} else if ($diff < 37 * 3600) {
+		return _t('about a day ago');
+	} else if ($diff < 24 * 24 * 3600) {
+		return _t('about ') . round($diff/(24*3600)) . _t(' days ago');
+	} else if ($diff < 46 * 24 * 3600) {
+		return _t('about a month ago');
+	} else if ($diff < 330 * 24 * 3600) {
+		return _t('about ') . round($diff/(30*24*3600)) . _t(' months ago');
+	} else if ($diff < 480 * 24 * 3600) {
+		return _t('about a year ago');
+	} else {
+		return common_exact_date($dt);
+	}
+}
+
+function common_exact_date($dt) {
+	$t = strtotime($dt);
+	return date(DATE_RFC850, $t);
 }
 
 function common_date_w3dtf($dt) {
@@ -606,20 +800,60 @@ function common_redirect($url, $code=307) {
 						   307 => "Temporary Redirect");
 	header("Status: ${code} $status[$code]");
 	header("Location: $url");
+
+	common_start_xml('a',
+					 '-//W3C//DTD XHTML 1.0 Strict//EN',
+					 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
 	common_element('a', array('href' => $url), $url);
+	common_end_xml();
 }
 
 function common_broadcast_notice($notice, $remote=false) {
-	// XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
+	if (common_config('queue', 'enabled')) {
+		# Do it later!
+		return common_enqueue_notice($notice);
+	} else {
+		return common_real_broadcast($notice, $remote);
+	}
+}
+
+# Stick the notice on the queue
+
+function common_enqueue_notice($notice) {
+	common_log(LOG_INFO, 'start queueing notice ID = ' . $notice->id);
+	$qi = new Queue_item();
+	$qi->notice_id = $notice->id;
+	$qi->created = DB_DataObject_Cast::dateTime();
+	$result = $qi->insert();
+	if ($result === FALSE) {
+	    $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
+	    common_log(LOG_ERROR, 'DB error inserting queue item: ' . $last_error->message);
+	    return false;
+	}
+	common_log(LOG_INFO, 'complete queueing notice ID = ' . $notice->id);
+	return $result;
+}
+	  
+function common_real_broadcast($notice, $remote=false) {
+	$success = true;
 	if (!$remote) {
 		# Make sure we have the OMB stuff
 		require_once(INSTALLDIR.'/lib/omb.php');
-		omb_broadcast_remote_subscribers($notice);
+		$success = omb_broadcast_remote_subscribers($notice);
+		if (!$success) {
+			common_log(LOG_ERROR, 'Error in OMB broadcast for notice ' . $notice->id);
+		}
+	}
+	if ($success) {
+		require_once(INSTALLDIR.'/lib/jabber.php');
+		$success = jabber_broadcast_notice($notice);
+		if (!$success) {
+			common_log(LOG_ERROR, 'Error in jabber broadcast for notice ' . $notice->id);
+		}
 	}
-	// XXX: broadcast notices to Jabber
 	// XXX: broadcast notices to SMS
 	// XXX: broadcast notices to other IM
-	return true;
+	return $success;
 }
 
 function common_broadcast_profile($profile) {
@@ -636,19 +870,25 @@ function common_profile_url($nickname) {
 
 # Don't call if nobody's logged in
 
-function common_notice_form() {
+function common_notice_form($action=NULL, $content=NULL) {
 	$user = common_current_user();
 	assert(!is_null($user));
 	common_element_start('form', array('id' => 'status_form',
-									   'method' => 'POST',
+									   'method' => 'post',
 									   'action' => common_local_url('newnotice')));
 	common_element_start('p');
-	common_element('label', array('for' => 'status_update',
+	common_element('label', array('for' => 'status_textarea',
 								  'id' => 'status_label'),
 				   _t('What\'s up, ').$user->nickname.'?');
+        common_element('span', array('id' => 'counter', 'class' => 'counter'), '140');
 	common_element('textarea', array('id' => 'status_textarea',
+									 'cols' => 60,
+									 'rows' => 3,
 									 'name' => 'status_textarea'),
-				   ' ');
+				   ($content) ? $content : '');
+	if ($action) {
+		common_hidden('returnto', $action);
+	}
 	common_element('input', array('id' => 'status_submit',
 								  'name' => 'status_submit',
 								  'type' => 'submit',
@@ -745,6 +985,25 @@ function common_debug($msg, $filename=NULL) {
 	}
 }
 
+function common_log_db_error(&$object, $verb, $filename=NULL) {
+	$objstr = common_log_objstring($object);
+	$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
+	common_log(LOG_ERROR, $last_error->message . '(' . $verb . ' on ' . $objstr . ')', $filename);
+}
+
+function common_log_objstring(&$object) {
+	if (is_null($object)) {
+		return "NULL";
+	}
+	$arr = $object->toArray();
+	$fields = array();
+	foreach ($arr as $k => $v) {
+		$fields[] = "$k='$v'";
+	}
+	$objstring = $object->tableName() . '[' . implode(',', $fields) . ']';
+	return $objstring;
+}
+
 function common_valid_http_url($url) {
 	return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
 }
@@ -759,17 +1018,17 @@ function common_valid_tag($tag) {
 
 # Does a little before-after block for next/prev page
 
-function common_pagination($have_before, $have_after, $page, $action, $args=NULL) {		
-	
+function common_pagination($have_before, $have_after, $page, $action, $args=NULL) {
+
 	if ($have_before || $have_after) {
 		common_element_start('div', array('id' => 'pagination'));
 		common_element_start('ul', array('id' => 'nav_pagination'));
 	}
-	
+
 	if ($have_before) {
 		$pargs = array('page' => $page-1);
 		$newargs = ($args) ? array_merge($args,$pargs) : $pargs;
-										 
+
 		common_element_start('li', 'before');
 		common_element('a', array('href' => common_local_url($action, $newargs)),
 					   _t('« After'));
@@ -784,7 +1043,7 @@ function common_pagination($have_before, $have_after, $page, $action, $args=NULL
 						   _t('Before »'));
 		common_element_end('li');
 	}
-	
+
 	if ($have_before || $have_after) {
 		common_element_end('ul');
 		common_element_end('div');
@@ -857,7 +1116,7 @@ function common_negotiate_type($cprefs, $sprefs) {
 	}
 
 	$bestq = 0;
-	$besttype = NULL;
+	$besttype = "text/html";
 
 	foreach(array_keys($combine) as $type) {
 		if($combine[$type] > $bestq) {
@@ -873,3 +1132,47 @@ function common_config($main, $sub) {
 	global $config;
 	return $config[$main][$sub];
 }
+
+function common_copy_args($from) {
+	$to = array();
+	$strip = get_magic_quotes_gpc();
+	foreach ($from as $k => $v) {
+		$to[$k] = ($strip) ? stripslashes($v) : $v;
+	}
+	return $to;
+}
+
+function common_user_uri(&$user) {
+	return common_local_url('userbyid', array('id' => $user->id));
+}
+
+function common_notice_uri(&$notice) {
+	return common_local_url('shownotice',
+		array('notice' => $notice->id));
+}
+
+# 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
+
+function common_confirmation_code($bits) {
+	# 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
+	static $codechars = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
+	$chars = ceil($bits/5);
+	$code = '';
+	for ($i = 0; $i < $chars; $i++) {
+		# XXX: convert to string and back
+		$num = hexdec(common_good_rand(1));
+		# XXX: randomness is too precious to throw away almost
+		# 40% of the bits we get!
+		$code .= $codechars[$num%32];
+	}
+	return $code;
+}
+
+# convert markup to HTML
+
+function common_markup_to_html($c) {
+	$c = preg_replace('/%%action.(\w+)%%/e', "common_local_url('\\1')", $c);
+	$c = preg_replace('/%%doc.(\w+)%%/e', "common_local_url('doc', array('title'=>'\\1'))", $c);
+	$c = preg_replace('/%%(\w+).(\w+)%%/e', 'common_config(\'\\1\', \'\\2\')', $c);
+	return Markdown($c);
+}