X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=lib%2Futil.php;h=b78edc93cc4ef4158fbc999e8e43a98f881cd9ac;hb=0299b6f2caa5b3b956c9e00a17d6cf3c72966396;hp=03b1e42a90ed2fea685c6533a0302bb5461f92c1;hpb=ea40a9cd936e3e6cd0b5ac1c29d32112e7985247;p=quix0rs-gnu-social.git

diff --git a/lib/util.php b/lib/util.php
index 03b1e42a90..b78edc93cc 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -21,8 +21,21 @@
 
 # Show a server error
 
-function common_server_error($msg) {
-	header('HTTP/1.1 500 Server Error');
+function common_server_error($msg, $code=500) {
+	static $status = array(500 => 'Internal Server Error',
+						   501 => 'Not Implemented',
+						   502 => 'Bad Gateway',
+						   503 => 'Service Unavailable',
+						   504 => 'Gateway Timeout',
+						   505 => 'HTTP Version Not Supported');
+
+	if (!array_key_exists($code, $status)) {
+		$code = 500;
+	}
+
+	$status_string = $status[$code];
+
+	header('HTTP/1.1 '.$code.' '.$status_string);
 	header('Content-type: text/plain');
 
 	print $msg;
@@ -31,7 +44,34 @@ function common_server_error($msg) {
 }
 
 # Show a user error
-function common_user_error($msg, $code=200) {
+function common_user_error($msg, $code=400) {
+	static $status = array(400 => 'Bad Request',
+						   401 => 'Unauthorized',
+						   402 => 'Payment Required',
+						   403 => 'Forbidden',
+						   404 => 'Not Found',
+						   405 => 'Method Not Allowed',
+						   406 => 'Not Acceptable',
+						   407 => 'Proxy Authentication Required',
+						   408 => 'Request Timeout',
+						   409 => 'Conflict',
+						   410 => 'Gone',
+						   411 => 'Length Required',
+						   412 => 'Precondition Failed',
+						   413 => 'Request Entity Too Large',
+						   414 => 'Request-URI Too Long',
+						   415 => 'Unsupported Media Type',
+						   416 => 'Requested Range Not Satisfiable',
+						   417 => 'Expectation Failed');
+
+	if (!array_key_exists($code, $status)) {
+		$code = 400;
+	}
+
+	$status_string = $status[$code];
+
+	header('HTTP/1.1 '.$code.' '.$status_string);
+
 	common_show_header('Error');
 	common_element('div', array('class' => 'error'), $msg);
 	common_show_footer();
@@ -83,10 +123,24 @@ function common_end_xml() {
 	$xw->flush();
 }
 
-function common_show_header($pagetitle, $callable=NULL, $data=NULL) {
+define('PAGE_TYPE_PREFS', 'application/xhtml+xml,text/html;q=0.7,application/xml;q=0.3,text/xml;q=0.2');
+	   
+function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=NULL) {
 	global $config, $xw;
 
-	header('Content-Type: application/xhtml+xml');
+	$httpaccept = isset($_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 (!$type) {
+		common_client_error(_t('This page is not available in a media type you accept'), 406);
+		exit(0);
+	}
+	
+	header('Content-Type: '.$type);
 
 	common_start_xml('html',
 					 '-//W3C//DTD XHTML 1.0 Strict//EN',
@@ -103,16 +157,20 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL) {
 				   $pagetitle . " - " . $config['site']['name']);
 	common_element('link', array('rel' => 'stylesheet',
 								 'type' => 'text/css',
-								 'href' => common_path('theme/default/style/html.css'),
-								 'media' => 'screen, projection, tv'));
-	common_element('link', array('rel' => 'stylesheet',
-								 'type' => 'text/css',
-								 'href' => common_path('theme/default/style/layout.css'),
+								 'href' => theme_path('display.css'),
 								 'media' => 'screen, projection, tv'));
-	common_element('link', array('rel' => 'stylesheet',
-								 'type' => 'text/css',
-								 'href' => common_path('theme/default/style/print.css'),
-								 'media' => 'print'));
+	foreach (array(6,7) as $ver) {
+		if (file_exists(theme_file('ie'.$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'.$ver.'.css').' /><![endif]');
+		}
+	}
+	
+	common_element('script', array('type' => 'text/javascript',
+								   'src' => common_path('js/jquery.min.js')),
+				   ' ');
+						 
 	if ($callable) {
 		if ($data) {
 			call_user_func($callable, $data);
@@ -122,23 +180,57 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL) {
 	}
 	common_element_end('head');
 	common_element_start('body');
-	common_element_start('div', array('id' => 'wrapper'));
-	common_element_start('div', array('id' => 'content'));
+	common_element_start('div', array('id' => 'wrap'));
 	common_element_start('div', array('id' => 'header'));
-	common_element('h1', 'title', $pagetitle);
-	common_element('h2', 'subtitle', $config['site']['name']);
+	common_nav_menu();
+	if ($config['site']['logo'] || 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');
+	}
+	common_element('h1', 'pagetitle', $pagetitle);
+	common_element('h2', 'sitename', $config['site']['name']);
+	
+	if ($headercall) {
+		if ($data) {
+			call_user_func($headercall, $data);
+		} else {
+			call_user_func($headercall);
+		}
+	}
 	common_element_end('div');
-	common_head_menu();
-	common_element_start('div', array('id' => 'page'));
+	common_element_start('div', array('id' => 'content'));
 }
 
 function common_show_footer() {
 	global $xw, $config;
-	common_element_start('div', 'footer');
+	common_element_end('div'); # content div
 	common_foot_menu();
-	common_license_block();
-	common_element_end('div');
-	common_element_end('div');
+	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('img', array('id' => 'cc',
+								'src' => $config['license']['image'],
+								'alt' => $config['license']['title']));
+	common_element_start('p');
+	common_text(_t('Unless otherwise specified, contents of this site are copyright by the contributors and available under the '));
+	common_element('a', array('class' => 'license',
+							  'rel' => 'license',
+							  href => $config['license']['url']),
+				   $config['license']['title']);
+	common_text(_t('. Contributors should be attributed by full name or nickname.'));
+	common_element_end('p');
 	common_element_end('div');
 	common_element_end('div');
 	common_element_end('body');
@@ -156,59 +248,32 @@ function common_raw($xml) {
 	$xw->writeRaw($xml);
 }
 
-function common_license_block() {
-	global $config, $xw;
-	common_element_start('p', 'license greenBg');
-	common_element_start('span', 'floatLeft width25');
-	common_element_start('a', array('class' => 'license',
-									'rel' => 'license',
-									href => $config['license']['url']));
-	common_element('img', array('class' => 'license',
-								'src' => $config['license']['image'],
-								'alt' => $config['license']['title']));
-	common_element_end('a');
-	common_element_end('span');
-	common_element_start('span', 'floatRight width75');
-	common_text(_t('Unless otherwise specified, contents of this site are copyright by the contributors and available under the '));
-	common_element('a', array('class' => 'license',
-							  'rel' => 'license',
-							  href => $config['license']['url']),
-				   $config['license']['title']);
-	common_text(_t('. Contributors should be attributed by full name or nickname.'));
-	common_element_end('span');
-	common_element_end('p');
-}
-
-function common_head_menu() {
+function common_nav_menu() {
 	$user = common_current_user();
-	common_element_start('ul', array('id' => 'menu', 'class' => ($user) ? 'five' : 'three'));
-	common_menu_item(common_local_url('public'), _t('Public'));
+	common_element_start('ul', array('id' => 'nav'));
 	if ($user) {
-		common_menu_item(common_local_url('all', array('nickname' =>
-													   $user->nickname)),
+		common_menu_item(common_local_url('all', array('nickname' => $user->nickname)),
 						 _t('Home'));
-		common_menu_item(common_local_url('showstream', array('nickname' =>
-															  $user->nickname)),
-						 _t('Profile'),  $user->fullname || $user->nickname);
+	}
+	common_menu_item(common_local_url('public'), _t('Public'));
+	common_menu_item(common_local_url('doc', array('title' => 'help')),
+					 _t('Help'));
+	if ($user) {
 		common_menu_item(common_local_url('profilesettings'),
 						 _t('Settings'));
 		common_menu_item(common_local_url('logout'),
 						 _t('Logout'));
 	} else {
-		common_menu_item(common_local_url('login'),
-						 _t('Login'));
-		common_menu_item(common_local_url('register'),
-						 _t('Register'));
+		common_menu_item(common_local_url('login'), _t('Login'));
+		common_menu_item(common_local_url('register'), _t('Register'));
 	}
 	common_element_end('ul');
 }
 
 function common_foot_menu() {
-	common_element_start('ul', 'footmenu menuish');
+	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' => 'help')),
-					 _t('Help'));
 	common_menu_item(common_local_url('doc', array('title' => 'privacy')),
 					 _t('Privacy'));
 	common_menu_item(common_local_url('doc', array('title' => 'source')),
@@ -216,17 +281,21 @@ function common_foot_menu() {
 	common_element_end('ul');
 }
 
-function common_menu_item($url, $text, $title=NULL) {
+function common_menu_item($url, $text, $title=NULL, $is_selected=false) {
+	$lattrs = array();
+	if ($is_selected) {
+		$lattrs['class'] = 'current';
+	}
+	common_element_start('li', $lattrs);
 	$attrs['href'] = $url;
 	if ($title) {
 		$attrs['title'] = $title;
 	}
-	common_element_start('li', 'menuitem');
 	common_element('a', $attrs, $text);
 	common_element_end('li');
 }
 
-function common_input($id, $label, $value=NULL) {
+function common_input($id, $label, $value=NULL,$instructions=NULL) {
 	common_element_start('p');
 	common_element('label', array('for' => $id), $label);
 	$attrs = array('name' => $id,
@@ -236,6 +305,9 @@ function common_input($id, $label, $value=NULL) {
 		$attrs['value'] = htmlspecialchars($value);
 	}
 	common_element('input', $attrs);
+	if ($instructions) {
+		common_element('span', 'input_instructions', $instructions);
+	}
 	common_element_end('p');
 }
 
@@ -246,39 +318,40 @@ function common_hidden($id, $value) {
 								  'value' => $value));
 }
 
-function common_password($id, $label) {
+function common_password($id, $label, $instructions=NULL) {
 	common_element_start('p');
 	common_element('label', array('for' => $id), $label);
 	$attrs = array('name' => $id,
 				   'type' => 'password',
 				   'id' => $id);
 	common_element('input', $attrs);
+	if ($instructions) {
+		common_element('span', 'input_instructions', $instructions);
+	}
 	common_element_end('p');
 }
 
 function common_submit($id, $label) {
 	global $xw;
 	common_element_start('p');
-	common_element_start('label', array('for' => $id));
-	$xw->writeRaw('&nbsp;');
-	common_element_end('label');
 	common_element('input', array('type' => 'submit',
 								  'id' => $id,
 								  'name' => $id,
-								  'value' => $label,
-								  'class' => 'button'));
+								  'value' => $label));
 	common_element_end('p');
 }
 
-function common_textarea($id, $label, $content=NULL) {
+function common_textarea($id, $label, $content=NULL, $instructions=NULL) {
 	common_element_start('p');
 	common_element('label', array('for' => $id), $label);
 	common_element('textarea', array('rows' => 3,
 									 'cols' => 40,
 									 'name' => $id,
-									 'id' => $id, 
-									 'class' => 'width50'),
+									 'id' => $id),
 				   ($content) ? $content : ' ');
+	if ($instructions) {
+		common_element('span', 'input_instructions', $instructions);
+	}
 	common_element_end('p');
 }
 
@@ -347,7 +420,7 @@ function common_current_user() {
 # get canonical version of nickname for comparison
 function common_canonical_nickname($nickname) {
 	# XXX: UTF-8 canonicalization (like combining chars)
-	return $nickname;
+	return strtolower($nickname);
 }
 
 # get canonical version of email for comparison
@@ -403,13 +476,13 @@ function common_at_link($sender_id, $nickname) {
 
 // where should the avatar go for this user?
 
-function common_avatar_filename($user, $extension, $size=NULL, $extra=NULL) {
+function common_avatar_filename($id, $extension, $size=NULL, $extra=NULL) {
 	global $config;
 
 	if ($size) {
-		return $user->id . '-' . $size . (($extra) ? ('-' . $extra) : '') . $extension;
+		return $id . '-' . $size . (($extra) ? ('-' . $extra) : '') . $extension;
 	} else {
-		return $user->id . '-original' . (($extra) ? ('-' . $extra) : '') . $extension;
+		return $id . '-original' . (($extra) ? ('-' . $extra) : '') . $extension;
 	}
 }
 
@@ -426,9 +499,7 @@ function common_default_avatar($size) {
 	static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
 							  AVATAR_STREAM_SIZE => 'stream',
 							  AVATAR_MINI_SIZE => 'mini');
-	global $config;
-	
-	return common_path($config['avatar']['default'][$sizenames[$size]]);
+	return theme_path('default-avatar-'.$sizenames[$size].'.png');
 }
 
 function common_local_url($action, $args=NULL) {
@@ -442,6 +513,52 @@ function common_local_url($action, $args=NULL) {
 
 function common_fancy_url($action, $args=NULL) {
 	switch (strtolower($action)) {
+	 case 'public':
+		if ($args && $args['page']) {
+			return common_path('?page=' . $args['page']);
+		} else {
+			return common_path('');
+		}
+	 case 'publicrss':
+		return common_path('rss');
+	 case 'doc':
+		return common_path('doc/'.$args['title']);
+	 case 'login':
+	 case 'logout':
+	 case 'register':
+	 case 'subscribe':
+	 case 'unsubscribe':
+		return common_path('main/'.$action);
+	 case 'avatar':
+	 case 'password':
+		return common_path('settings/'.$action);
+	 case 'profilesettings':
+		return common_path('settings/profile');
+	 case 'newnotice':
+		return common_path('notice/new');
+	 case 'shownotice':
+		return common_path('notice/'.$args['notice']);
+	 case 'xrds':		
+	 case 'foaf':
+		return common_path($args['nickname'].'/'.$action);
+	 case 'subscriptions':
+	 case 'subscribed':
+	 case 'all':
+		if ($args && $args['page']) {
+			return common_path($args['nickname'].'/'.$action.'?page=' . $args['page']);
+		} else {
+			return common_path($args['nickname'].'/'.$action);
+		}
+	 case 'allrss':
+		return common_path($args['nickname'].'/all/rss');
+	 case 'userrss':
+		return common_path($args['nickname'].'/rss');
+	 case 'showstream':
+		if ($args && $args['page']) {
+			return common_path($args['nickname'].'?page=' . $args['page']);
+		} else {
+			return common_path($args['nickname']);
+		}
 	 default:
 		return common_simple_url($action, $args);
 	}
@@ -486,12 +603,24 @@ function common_redirect($url, $code=307) {
 	common_element('a', array('href' => $url), $url);
 }
 
-function common_broadcast_notice($notice) {
-	// XXX: broadcast notices to remote subscribers
-	// XXX: broadcast notices to SMS
+function common_broadcast_notice($notice, $remote=false) {
+	// XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
+	if (!$remote) {
+		# Make sure we have the OMB stuff
+		require_once(INSTALLDIR.'/lib/omb.php');
+		omb_broadcast_remote_subscribers($notice);
+	}
 	// XXX: broadcast notices to Jabber
+	// XXX: broadcast notices to SMS
 	// XXX: broadcast notices to other IM
-	// XXX: use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
+	return true;
+}
+
+function common_broadcast_profile($profile) {
+	// XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
+	require_once(INSTALLDIR.'/lib/omb.php');
+	omb_broadcast_profile($profile);
+	// XXX: Other broadcasts...?
 	return true;
 }
 
@@ -499,17 +628,31 @@ function common_profile_url($nickname) {
 	return common_local_url('showstream', array('nickname' => $nickname));
 }
 
+# Don't call if nobody's logged in
+
 function common_notice_form() {
-	common_element_start('form', array('id' => 'newnotice', 'method' => 'POST',
+	$user = common_current_user();
+	assert(!is_null($user));
+	common_element_start('form', array('id' => 'status_form',
+									   'method' => 'POST',
 									   'action' => common_local_url('newnotice')));
-	common_textarea('noticecontent', _t('What\'s up?'));
-	common_submit('submit', _t('Send'));
+	common_element_start('p');
+	common_element('label', array('for' => 'status_update',
+								  'id' => 'status_label'),
+				   _t('What\'s up, ').$user->nickname.'?');
+	common_element('textarea', array('id' => 'status_textarea',
+									 'name' => 'status_textarea'));
+	common_element('input', array('id' => 'status_submit',
+								  'name' => 'status_submit',
+								  'type' => 'submit',
+								  'value' => _t('Send')));
+	common_element_end('p');
 	common_element_end('form');
 }
 
 function common_mint_tag($extra) {
 	global $config;
-	return 
+	return
 	  'tag:'.$config['tag']['authority'].','.
 	  $config['tag']['date'].':'.$config['tag']['prefix'].$extra;
 }
@@ -565,7 +708,7 @@ function common_get_returnto() {
 function common_timestamp() {
 	return date('YmdHis');
 }
-	
+
 // XXX: set up gettext
 
 function _t($str) {
@@ -598,3 +741,128 @@ function common_debug($msg, $filename=NULL) {
 function common_valid_http_url($url) {
 	return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
 }
+
+function common_valid_tag($tag) {
+	if (preg_match('/^tag:(.*?),(\d{4}(-\d{2}(-\d{2})?)?):(.*)$/', $tag, $matches)) {
+		return (Validate::email($matches[1]) ||
+				preg_match('/^([\w-\.]+)$/', $matches[1]));
+	}
+	return false;
+}
+
+# Does a little before-after block for next/prev page
+
+function common_pagination($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, $newargs)),
+					   _t('« After'));
+		common_element_end('li');
+	}
+
+	if ($have_after) {
+		$pargs = array('page' => $page+1);
+		$newargs = ($args) ? array_merge($args,$pargs) : $pargs;
+		common_element_start('li', 'after');
+		common_element('a', array('href' => common_local_url($action, $newargs)),
+						   _t('Before »'));
+		common_element_end('li');
+	}
+	
+	if ($have_before || $have_after) {
+		common_element_end('ul');
+		common_element_end('div');
+	}
+}
+
+/* Following functions are copied from MediaWiki GlobalFunctions.php
+ * and written by Evan Prodromou. */
+
+function common_accept_to_prefs($accept, $def = '*/*') {
+	# No arg means accept anything (per HTTP spec)
+	if(!$accept) {
+		return array($def => 1);
+	}
+
+	$prefs = array();
+
+	$parts = explode(',', $accept);
+
+	foreach($parts as $part) {
+		# FIXME: doesn't deal with params like 'text/html; level=1'
+		@list($value, $qpart) = explode(';', $part);
+		$match = array();
+		if(!isset($qpart)) {
+			$prefs[$value] = 1;
+		} elseif(preg_match('/q\s*=\s*(\d*\.\d+)/', $qpart, $match)) {
+			$prefs[$value] = $match[1];
+		}
+	}
+
+	return $prefs;
+}
+
+function common_mime_type_match($type, $avail) {
+	if(array_key_exists($type, $avail)) {
+		return $type;
+	} else {
+		$parts = explode('/', $type);
+		if(array_key_exists($parts[0] . '/*', $avail)) {
+			return $parts[0] . '/*';
+		} elseif(array_key_exists('*/*', $avail)) {
+			return '*/*';
+		} else {
+			return NULL;
+		}
+	}
+}
+
+function common_negotiate_type($cprefs, $sprefs) {
+	$combine = array();
+
+	foreach(array_keys($sprefs) as $type) {
+		$parts = explode('/', $type);
+		if($parts[1] != '*') {
+			$ckey = common_mime_type_match($type, $cprefs);
+			if($ckey) {
+				$combine[$type] = $sprefs[$type] * $cprefs[$ckey];
+			}
+		}
+	}
+
+	foreach(array_keys($cprefs) as $type) {
+		$parts = explode('/', $type);
+		if($parts[1] != '*' && !array_key_exists($type, $sprefs)) {
+			$skey = common_mime_type_match($type, $sprefs);
+			if($skey) {
+				$combine[$type] = $sprefs[$skey] * $cprefs[$type];
+			}
+		}
+	}
+
+	$bestq = 0;
+	$besttype = NULL;
+
+	foreach(array_keys($combine) as $type) {
+		if($combine[$type] > $bestq) {
+			$besttype = $type;
+			$bestq = $combine[$type];
+		}
+	}
+
+	return $besttype;
+}
+
+function common_config($main, $sub) {
+	global $config;
+	return $config[$main][$sub];
+}