-require_once(INSTALLDIR . '/config.php');
-
-# Show a server error
-
-function common_server_error($msg) {
- header('Status: 500 Server Error');
- header('Content-type: text/plain');
-
- print $msg;
- exit();
-}
-
-# Show a user error
-function common_user_error($msg, $code=200) {
- common_show_header('Error');
- common_element('div', array('class' => 'error'), $msg);
- common_show_footer();
-}
-
-# Start an HTML element
-function common_element_start($tag, $attrs=NULL) {
- print "<$tag";
- if (is_array($attrs)) {
- foreach ($attrs as $name => $value) {
- print " $name='$value'";
- }
- } else if (is_string($attrs)) {
- print " class='$attrs'";
- }
- print '>';
-}
-
-function common_element_end($tag) {
- print "</$tag>";
-}
-
-function common_element($tag, $attrs=NULL, $content=NULL) {
- common_element_start($tag, $attrs);
- if ($content) print htmlspecialchars($content);
- common_element_end($tag);
-}
-
-function common_show_header($pagetitle) {
- global $config;
- common_element_start('html');
- common_element_start('head');
- common_element('title', NULL,
- $pagetitle . " - " . $config['site']['name']);
- common_element_end('head');
- common_element_start('body');
- common_head_menu();
-}
-
-function common_show_footer() {
- common_foot_menu();
- common_element_end('body');
- common_element_end('html');
-}
-
-function common_head_menu() {
- $user = common_current_user();
- common_element_start('ul', 'headmenu');
- common_menu_item(common_local_url('doc', array('title' => 'help')),
- _t('Help'));
- if ($user) {
- 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 || $user->nickname);
- common_menu_item(common_local_url('profilesettings'),
- _t('Settings'));
- common_menu_item(common_local_url('logout'),
- _t('Logout'));
- } else {
- common_menu_item(common_local_url('login'),
- _t('Login'));
- common_menu_item(common_local_url('register'),
- _t('Register'));
- }
- common_element_end('ul');
-}
-
-function common_foot_menu() {
- common_element_start('ul', 'footmenu');
- common_menu_item(common_local_url('doc', array('title' => 'about')),
- _t('About'));
- common_menu_item(common_local_url('doc', array('title' => 'help')),
- _t('Help'));
- common_menu_item(common_local_url('doc', array('title' => 'privacy')),
- _t('Privacy'));
-}
-
-function common_menu_item($url, $text, $title=NULL) {
- $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) {
- common_element('label', array('for' => $id), $label);
- common_element('input', array('name' => $id,
- 'type' => 'text',
- 'id' => $id));
-}
-
-# salted, hashed passwords are stored in the DB
-
-function common_munge_password($id, $password) {
- return md5($id . $password);
-}
-
-# check if a username exists and has matching password
-function common_check_user($nickname, $password) {
- $user = User::staticGet('nickname', $nickname);
- if (is_null($user)) {
- return false;
- } else {
- return (0 == strcmp(common_munge_password($password, $user->id),
- $user->password));
- }
-}
-
-# is the current user logged in?
-function common_logged_in() {
- return (!is_null(common_current_user()));
-}
-
-function common_have_session() {
- return (0 != strcmp(session_id(), ''));
-}
-
-function common_ensure_session() {
- if (!common_have_session()) {
- @session_start();
- }
-}
-
-function common_set_user($nickname) {
- if (is_null($nickname) && common_have_session()) {
- unset($_SESSION['userid']);
- return true;
- } else {
- $user = User::staticGet('nickname', $nickname);
- if ($user) {
- common_ensure_session();
- $_SESSION['userid'] = $user->id;
- return true;
- } else {
- return false;
- }
- }
- return false;
-}
-
-# who is the current user?
-function common_current_user() {
- static $user = NULL; # FIXME: global memcached
- if (is_null($user)) {
- if (common_have_session()) {
- $id = $_SESSION['userid'];
- if ($id) {
- $user = User::staticGet($id);
- }
- }
- }
- return $user;
-}
-
-# get canonical version of nickname for comparison
-function common_canonical_nickname($nickname) {
- # XXX: UTF-8 canonicalization (like combining chars)
- return strtolower($nickname);
-}
-
-function common_render_content($text) {
- # XXX: @ messages
- # XXX: # tags
- # XXX: machine tags
- return htmlspecialchars($text);
-}
-
-// where should the avatar go for this user?
-
-function common_avatar_filename($user, $extension, $size=NULL) {
- global $config;
-
- if ($size) {
- return $user->id . '-' . $size . $extension;
- } else {
- return $user->id . '-original' . $extension;
- }
-}
-
-function common_avatar_path($filename) {
- global $config;
- return $config['avatar']['directory'] . '/' . $filename;
-}
-
-function common_avatar_url($filename) {
- global $config;
- return $config['avatar']['path'] . '/' . $filename;
-}
-
-function common_local_url($action, $args) {
- global $config;
- /* XXX: pretty URLs */
- $extra = '';
- foreach ($args as $key => $value) {
- $extra .= "&${key}=${value}";
- }
- return "http://".$config['site']['server'].'/'.$config['site']['path']."/index.php?action=${action}${extra}";
-}
-
-function commmon_date_string($dt) {
- // XXX: do some sexy date formatting
- return date(DATE_RFC822);
-}
-
-function common_redirect($url, $code=307) {
- static $status = array(301 => "Moved Permanently",
- 302 => "Found",
- 303 => "See Other",
- 307 => "Temporary Redirect");
- header("Status: ${code} $status[$code]");
- header("Location: $url");
- common_element('a', array('href' => $url), $url);
-}
-
-function common_broadcast_notices($id) {
- // XXX: broadcast notices to remote subscribers
- // XXX: broadcast notices to SMS
- // XXX: broadcast notices to Jabber
- // XXX: broadcast notices to other IM
- // XXX: use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
- return true;
-}
-
-// XXX: set up gettext
-
-function _t($str) {
- return $str;
-}