2008-05-07 17:48:07 +01:00
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<?php
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# global configuration object
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// default configuration, overwritten in config.php
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$config =
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2008-05-14 15:54:36 +01:00
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array('site' =>
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2008-05-07 17:48:07 +01:00
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array('name' => 'Just another µB'),
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'dsn' =>
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array('phptype' => 'mysql',
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'username' => 'stoica',
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'password' => 'apasswd',
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'hostspec' => 'localhost',
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'database' => 'thedb')
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'dboptions' =>
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array('debug' => 2,
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'portability' => DB_PORTABILITY_ALL));
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require_once(INSTALLDIR . '/config.php');
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require_once('DB.php');
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2008-05-14 15:54:36 +01:00
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# Show a server error
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2008-05-07 17:48:07 +01:00
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function common_server_error($msg) {
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header('Status: 500 Server Error');
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header('Content-type: text/plain');
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print $msg;
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exit();
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}
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2008-05-09 03:16:04 +01:00
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2008-05-14 15:54:36 +01:00
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# Show a user error
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function common_user_error($msg, $code=200) {
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2008-05-09 03:16:04 +01:00
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common_show_header('Error');
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common_element('div', array('class' => 'error'), $msg);
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common_show_footer();
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}
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2008-05-14 15:54:36 +01:00
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# Start an HTML element
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2008-05-09 03:16:04 +01:00
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function common_element_start($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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function common_element_end($tag) {
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print "</$tag>";
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}
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function common_element($tag, $attrs=NULL, $content=NULL) {
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common_element_start($tag, $attrs);
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2008-05-14 15:54:36 +01:00
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if ($content) print htmlspecialchars($content);
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2008-05-09 03:16:04 +01:00
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common_element_end($tag);
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}
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function common_show_header($pagetitle) {
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global $config;
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common_element_start('html');
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common_element_start('head');
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2008-05-14 15:54:36 +01:00
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common_element('title', NULL,
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$pagetitle . " - " . $config['site']['name']);
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2008-05-09 03:16:04 +01:00
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common_element_end('head');
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common_element_start('body');
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}
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function common_show_footer() {
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common_element_end('body');
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common_element_end('html');
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}
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2008-05-14 15:54:36 +01:00
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# salted, hashed passwords are stored in the DB
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function common_munge_password($id, $password) {
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return md5($id . $password);
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}
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# check if a username exists and has matching password
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function common_check_user($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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# 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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function common_have_session() {
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return (0 != strcmp(session_id(), ''));
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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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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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# 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 $user;
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}
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# get canonical version of nickname for comparison
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function common_canonical_nickname($nickname) {
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# XXX: UTF-8 canonicalization (like combining chars)
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return strtolower($nickname);
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}
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function common_render_content($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($text);
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}
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// XXX: set up gettext
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2008-05-09 03:16:04 +01:00
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function _t($str) { $str }
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