157 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| # global configuration object
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| 
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| // default configuration, overwritten in config.php
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| 
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| $config =
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|   array('site' =>
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| 		array('name' => 'Just another µB'),
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| 		'dsn' =>
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| 		array('phptype' => 'mysql',
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| 			  'username' => 'stoica',
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| 			  'password' => 'apasswd',
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| 			  'hostspec' => 'localhost',
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| 			  'database' => 'thedb')
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| 		'dboptions' =>
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| 		array('debug' => 2,
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| 			  'portability' => DB_PORTABILITY_ALL));
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| 
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| require_once(INSTALLDIR . '/config.php');
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| require_once('DB.php');
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| 
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| # Show a server error
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| 
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| function common_server_error($msg) {
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| 	header('Status: 500 Server Error');
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| 	header('Content-type: text/plain');
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| 
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| 	print $msg;
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| 	exit();
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| }
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| 
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| # Show a user error
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| function common_user_error($msg, $code=200) {
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| 	common_show_header('Error');
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| 	common_element('div', array('class' => 'error'), $msg);
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| 	common_show_footer();
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| }
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| 
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| # Start an HTML element
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| function common_element_start($tag, $attrs=NULL) {
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| 	print "<$tag";
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| 	if (is_array($attrs)) {
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| 		foreach ($attrs as $name => $value) {
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| 			print " $name='$value'";
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| 		}
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| 	} else if (is_string($attrs)) {
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| 		print " class='$attrs'";
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| 	}
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| 	print '>';
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| }
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| 
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| function common_element_end($tag) {
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| 	print "</$tag>";
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| }
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| 
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| function common_element($tag, $attrs=NULL, $content=NULL) {
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|     common_element_start($tag, $attrs);
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| 	if ($content) print htmlspecialchars($content);
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| 	common_element_end($tag);
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| }
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| 
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| function common_show_header($pagetitle) {
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| 	global $config;
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| 	common_element_start('html');
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| 	common_element_start('head');
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| 	common_element('title', NULL, 
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| 				   $pagetitle . " - " . $config['site']['name']);
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| 	common_element_end('head');
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| 	common_element_start('body');
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| }
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| 
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| function common_show_footer() {
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| 	common_element_end('body');
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| 	common_element_end('html');
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| }
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| 
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| # salted, hashed passwords are stored in the DB
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| 
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| function common_munge_password($id, $password) {
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| 	return md5($id . $password);
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| }
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| 
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| # check if a username exists and has matching password
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| function common_check_user($nickname, $password) {
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| 	$user = User::staticGet('nickname', $nickname);
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| 	if (is_null($user)) {
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| 		return false;
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| 	} else {
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| 		return (0 == strcmp(common_munge_password($password, $user->id), 
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| 							$user->password));
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| 	}
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| }
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| 
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| # is the current user logged in?
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| function common_logged_in() {
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| 	return (!is_null(common_current_user()));
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| }
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| 
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| function common_have_session() {
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| 	return (0 != strcmp(session_id(), ''));
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| }
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| 
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| function common_ensure_session() {
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| 	if (!common_have_session()) {
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| 		@session_start();
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| 	}
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| }
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| 
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| function common_set_user($nickname) {
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| 	if (is_null($nickname) && common_have_session()) {
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| 		unset($_SESSION['userid']);
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| 		return true;
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| 	} else {
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| 		$user = User::staticGet('nickname', $nickname);
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| 		if ($user) {
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| 			common_ensure_session();
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| 			$_SESSION['userid'] = $user->id;
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| 			return true;
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| 		} else {
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| 			return false;
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| 		}
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| 	}
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| 	return false;
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| }
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| 
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| # who is the current user?
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| function common_current_user() {
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| 	static $user = NULL; # FIXME: global memcached
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| 	if (is_null($user)) {
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| 		if (common_have_session()) {
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| 			$id = $_SESSION['userid'];
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| 			if ($id) {
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| 				$user = User::staticGet($id);
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| 			}
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| 		}
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| 	}
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| 	return $user;
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| }
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| 
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| # get canonical version of nickname for comparison
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| function common_canonical_nickname($nickname) {
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| 	# XXX: UTF-8 canonicalization (like combining chars)
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| 	return strtolower($nickname);
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| }
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| 
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| function common_render_content($text) {
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| 	# XXX: @ messages
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| 	# XXX: # tags
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| 	# XXX: machine tags
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| 	return htmlspecialchars($text);
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| }
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| 
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| // XXX: set up gettext
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| 
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| function _t($str) { $str }
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