' . "\r\n"); define('EMPTY_STR', ''); define('ATOM_TIME', 'Y-m-d\\TH:i:s\\Z'); // aka ISO 8601 "Zulu" define('TEMPLATE_BUILD_PATH', 'store/[data]/smarty3'); define('DIRECTORY_MODE_NORMAL', 0x0000); // A directory client define('DIRECTORY_MODE_PRIMARY', 0x0001); // There can only be *one* primary directory server in a directory_realm. define('DIRECTORY_MODE_SECONDARY', 0x0002); // All other mirror directory servers define('DIRECTORY_MODE_STANDALONE', 0x0100); // A detached (off the grid) hub with itself as directory server. define('DIRECTORY_FLAG_OK', 0); define('DIRECTORY_FLAG_UNSAFE', 1); define('DIRECTORY_FLAG_HIDDEN', 2); // We will look for upstream directories whenever me make contact // with other sites, but if this is a new installation and isn't // a standalone hub, we need to seed the service with a starting // point to go out and find the rest of the world. define('DIRECTORY_REALM', 'RED_GLOBAL'); define('DIRECTORY_FALLBACK_MASTER', 'https://hub.netzgemeinde.eu'); function get_directory_fallback_servers() { $ret = [ 'https://hub.netzgemeinde.eu', 'https://zotsite.net' ]; return $ret; } /** * * Image storage quality. Lower numbers save space at cost of image detail. * For ease of upgrade, please do not change here. Change jpeg quality with * App::$config['system']['jpeg_quality'] = n; * in .htconfig.php, where n is netween 1 and 100, and with very poor results * below about 50 */ define('JPEG_QUALITY', 100); /** * App::$config['system']['png_quality'] from 0 (uncompressed) to 9 */ define('PNG_QUALITY', 8); /** * App::$config['system']['webp_quality'] from 1 (maximum compressed) to 100 (uncompressed) */ define('WEBP_QUALITY', 80); /** * Language detection parameters */ define('LANGUAGE_DETECT_MIN_LENGTH', 128); define('LANGUAGE_DETECT_MIN_CONFIDENCE', 0.01); /** * Default permissions for file-based storage (webDAV, etc.) * These files will be owned by the webserver who will need write * access to the "storage" folder. * Ideally you should make this 700, however some hosted platforms * may not let you change ownership of this directory so we're * defaulting to both owner-write and group-write privilege. * This should work for most cases without modification. * Over-ride this in your .htconfig.php if you need something * either more or less restrictive. */ if (!defined('STORAGE_DEFAULT_PERMISSIONS')) { define('STORAGE_DEFAULT_PERMISSIONS', 0770); } /** * * An alternate way of limiting picture upload sizes. Specify the maximum pixel * length that pictures are allowed to be (for non-square pictures, it will apply * to the longest side). Pictures longer than this length will be resized to be * this length (on the longest side, the other side will be scaled appropriately). * Modify this value using * * App::$config['system']['max_image_length'] = n; * * in .htconfig.php * * If you don't want to set a maximum length, set to -1. The default value is * defined by 'MAX_IMAGE_LENGTH' below. * */ define('MAX_IMAGE_LENGTH', -1); /** * log levels */ define('LOGGER_NORMAL', 0); define('LOGGER_TRACE', 1); define('LOGGER_DEBUG', 2); define('LOGGER_DATA', 3); define('LOGGER_ALL', 4); /** * registration policies */ define('REGISTER_CLOSED', 0); define('REGISTER_APPROVE', 1); define('REGISTER_OPEN', 2); /** * site access policy */ define('ACCESS_PRIVATE', 0); define('ACCESS_PAID', 1); define('ACCESS_FREE', 2); define('ACCESS_TIERED', 3); /** * DB update return values */ define('UPDATE_SUCCESS', 0); define('UPDATE_FAILED', 1); define('CLIENT_MODE_NORMAL', 0x0000); define('CLIENT_MODE_LOAD', 0x0001); define('CLIENT_MODE_UPDATE', 0x0002); /** * * Channel pageflags * */ define('PAGE_NORMAL', 0x0000); define('PAGE_HIDDEN', 0x0001); define('PAGE_AUTOCONNECT', 0x0002); define('PAGE_APPLICATION', 0x0004); define('PAGE_ALLOWCODE', 0x0008); define('PAGE_PREMIUM', 0x0010); define('PAGE_ADULT', 0x0020); define('PAGE_CENSORED', 0x0040); // Site admin has blocked this channel from appearing in casual search results and site feeds define('PAGE_SYSTEM', 0x1000); define('PAGE_HUBADMIN', 0x2000); // set this to indicate a preferred admin channel rather than the // default channel of any accounts with the admin role. define('PAGE_REMOVED', 0x8000); /** * Photo usage types */ define('PHOTO_NORMAL', 0x0000); define('PHOTO_PROFILE', 0x0001); define('PHOTO_XCHAN', 0x0002); define('PHOTO_THING', 0x0004); define('PHOTO_COVER', 0x0010); define('PHOTO_CACHE', 0x0020); define('PHOTO_ADULT', 0x0008); define('PHOTO_FLAG_OS', 0x4000); define('PHOTO_RES_ORIG', 0); define('PHOTO_RES_1024', 1); // rectangular 1024 max width or height, floating height if not (4:3) define('PHOTO_RES_640', 2); // to accomodate SMBC vertical comic strips without scrunching the width define('PHOTO_RES_320', 3); // accordingly define('PHOTO_RES_PROFILE_300', 4); // square 300 px define('PHOTO_RES_PROFILE_80', 5); // square 80 px define('PHOTO_RES_PROFILE_48', 6); // square 48 px define('PHOTO_RES_COVER_1200', 7); // 1200w x 435h (2.75:1) define('PHOTO_RES_COVER_850', 8); // 850w x 310h define('PHOTO_RES_COVER_425', 9); // 425w x 160h /** * Menu types */ define('MENU_SYSTEM', 0x0001); define('MENU_BOOKMARK', 0x0002); /** * Network and protocol family types */ define('NETWORK_FRND', 'friendica-over-diaspora'); // Friendica, Mistpark, other DFRN implementations define('NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations define('NETWORK_ZOT', 'zot'); // Zot! define('NETWORK_OSTATUS', 'stat'); // status.net, identi.ca, GNU-social, other OStatus implementations define('NETWORK_GNUSOCIAL', 'gnusoc'); // status.net, identi.ca, GNU-social, other OStatus implementations define('NETWORK_FEED', 'rss'); // RSS/Atom feeds with no known "post/notify" protocol define('NETWORK_DIASPORA', 'diaspora'); // Diaspora define('NETWORK_ACTIVITYPUB', 'activitypub'); define('NETWORK_MAIL', 'mail'); // IMAP/POP define('NETWORK_MAIL2', 'mai2'); // extended IMAP/POP define('NETWORK_FACEBOOK', 'face'); // Facebook API define('NETWORK_LINKEDIN', 'lnkd'); // LinkedIn define('NETWORK_XMPP', 'xmpp'); // XMPP define('NETWORK_MYSPACE', 'mysp'); // MySpace define('NETWORK_GPLUS', 'goog'); // Google+ define('NETWORK_PHANTOM', 'unkn'); // Place holder /** * Permissions */ define('PERMS_R_STREAM', 0x00001); define('PERMS_R_PROFILE', 0x00002); define('PERMS_R_PHOTOS', 0x00004); define('PERMS_R_ABOOK', 0x00008); define('PERMS_W_STREAM', 0x00010); define('PERMS_W_WALL', 0x00020); define('PERMS_W_TAGWALL', 0x00040); define('PERMS_W_COMMENT', 0x00080); define('PERMS_W_MAIL', 0x00100); define('PERMS_W_PHOTOS', 0x00200); define('PERMS_W_CHAT', 0x00400); define('PERMS_A_DELEGATE', 0x00800); define('PERMS_R_STORAGE', 0x01000); define('PERMS_W_STORAGE', 0x02000); define('PERMS_R_PAGES', 0x04000); define('PERMS_W_PAGES', 0x08000); define('PERMS_A_REPUBLISH', 0x10000); define('PERMS_W_LIKE', 0x20000); // General channel permissions // 0 = Only you define('PERMS_PUBLIC', 0x0001); // anybody define('PERMS_NETWORK', 0x0002); // anybody in this network define('PERMS_SITE', 0x0004); // anybody on this site define('PERMS_CONTACTS', 0x0008); // any of my connections define('PERMS_SPECIFIC', 0x0080); // only specific connections define('PERMS_AUTHED', 0x0100); // anybody authenticated (could include visitors from other networks) define('PERMS_PENDING', 0x0200); // any connections including those who haven't yet been approved // Address book flags define('ABOOK_FLAG_BLOCKED', 0x0001); define('ABOOK_FLAG_IGNORED', 0x0002); define('ABOOK_FLAG_HIDDEN', 0x0004); define('ABOOK_FLAG_ARCHIVED', 0x0008); define('ABOOK_FLAG_PENDING', 0x0010); define('ABOOK_FLAG_UNCONNECTED', 0x0020); define('ABOOK_FLAG_SELF', 0x0080); define('ABOOK_FLAG_FEED', 0x0100); define('MAIL_DELETED', 0x0001); define('MAIL_REPLIED', 0x0002); define('MAIL_ISREPLY', 0x0004); define('MAIL_SEEN', 0x0008); define('MAIL_RECALLED', 0x0010); define('MAIL_OBSCURED', 0x0020); define('ATTACH_FLAG_DIR', 0x0001); define('ATTACH_FLAG_OS', 0x0002); define('MENU_ITEM_ZID', 0x0001); define('MENU_ITEM_NEWWIN', 0x0002); define('MENU_ITEM_CHATROOM', 0x0004); define('SITE_TYPE_ZOT', 0); define('SITE_TYPE_NOTZOT', 1); define('SITE_TYPE_UNKNOWN', 2); /** * Poll/Survey types */ define('POLL_SIMPLE_RATING', 0x0001); // 1-5 define('POLL_TENSCALE', 0x0002); // 1-10 define('POLL_MULTIPLE_CHOICE', 0x0004); define('POLL_OVERWRITE', 0x8000); // If you vote twice remove the prior entry define('HUBLOC_OFFLINE', 0x0001); define('DROPITEM_NORMAL', 0); define('DROPITEM_PHASE1', 1); define('DROPITEM_PHASE2', 2); /** * Maximum number of "people who like (or don't like) this" that we will list by name */ define('MAX_LIKERS', 10); /** * Communication timeout */ define('ZCURL_TIMEOUT', (-1)); /** * email notification options */ define('NOTIFY_INTRO', 0x0001); define('NOTIFY_CONFIRM', 0x0002); define('NOTIFY_WALL', 0x0004); define('NOTIFY_COMMENT', 0x0008); define('NOTIFY_MAIL', 0x0010); define('NOTIFY_SUGGEST', 0x0020); define('NOTIFY_PROFILE', 0x0040); define('NOTIFY_TAGSELF', 0x0080); define('NOTIFY_TAGSHARE', 0x0100); define('NOTIFY_POKE', 0x0200); define('NOTIFY_LIKE', 0x0400); define('NOTIFY_SYSTEM', 0x8000); /** * visual notification options */ define('VNOTIFY_NETWORK', 0x0001); define('VNOTIFY_CHANNEL', 0x0002); define('VNOTIFY_MAIL', 0x0004); define('VNOTIFY_EVENT', 0x0008); define('VNOTIFY_EVENTTODAY', 0x0010); define('VNOTIFY_BIRTHDAY', 0x0020); define('VNOTIFY_SYSTEM', 0x0040); define('VNOTIFY_INFO', 0x0080); define('VNOTIFY_ALERT', 0x0100); define('VNOTIFY_INTRO', 0x0200); define('VNOTIFY_REGISTER', 0x0400); define('VNOTIFY_FILES', 0x0800); define('VNOTIFY_PUBS', 0x1000); define('VNOTIFY_LIKE', 0x2000); define('VNOTIFY_FORUMS', 0x4000); /** * Tag/term types */ define('TERM_UNKNOWN', 0); define('TERM_HASHTAG', 1); define('TERM_MENTION', 2); define('TERM_CATEGORY', 3); define('TERM_PCATEGORY', 4); define('TERM_FILE', 5); define('TERM_SAVEDSEARCH', 6); define('TERM_THING', 7); define('TERM_BOOKMARK', 8); define('TERM_HIERARCHY', 9); define('TERM_COMMUNITYTAG', 10); define('TERM_FORUM', 11); define('TERM_EMOJI', 12); define('TERM_OBJ_POST', 1); define('TERM_OBJ_FILE', 2); define('TERM_OBJ_PROFILE', 3); define('TERM_OBJ_CHANNEL', 4); define('TERM_OBJ_OBJECT', 5); define('TERM_OBJ_THING', 6); define('TERM_OBJ_APP', 7); /** * various namespaces we may need to parse */ define('PROTOCOL_ZOT', 'http://purl.org/zot/protocol'); define('PROTOCOL_ZOT6', 'http://purl.org/zot/protocol/6.0'); define('NAMESPACE_ZOT', 'http://purl.org/zot'); define('NAMESPACE_DFRN', 'http://purl.org/macgirvin/dfrn/1.0'); define('NAMESPACE_THREAD', 'http://purl.org/syndication/thread/1.0'); define('NAMESPACE_TOMB', 'http://purl.org/atompub/tombstones/1.0'); define('NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/'); define('NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/'); define('NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia'); define('NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env'); define('NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe'); define('NAMESPACE_GEORSS', 'http://www.georss.org/georss'); define('NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0'); define('NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from'); define('NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0'); define('NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/'); define('NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom'); define('NAMESPACE_YMEDIA', 'http://search.yahoo.com/mrss/'); // We should be using versioned jsonld contexts so that signatures will be slightly more reliable. // Why signatures are unreliable by design is a problem nobody seems to care about // "because it's a proposed W3C standard". . // Anyway, if you use versioned contexts, communication with Mastodon fails. Have not yet investigated // the reason for the dependency but for the current time, use the standard non-versioned context. //define ( 'ACTIVITYSTREAMS_JSONLD_REV', 'https://www.w3.org/ns/activitystreams-history/v1.8.jsonld' ); define('ACTIVITYSTREAMS_JSONLD_REV', 'https://www.w3.org/ns/activitystreams'); define('ZOT_APSCHEMA_REV', '/apschema/v1.11'); /** * activity stream defines */ define('ACTIVITY_PUBLIC_INBOX', 'https://www.w3.org/ns/activitystreams#Public'); define('ACTIVITY_REACT', NAMESPACE_ZOT . '/activity/react'); // deprecated define('ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like'); // AS2 Like define('ACTIVITY_DISLIKE', NAMESPACE_ZOT . '/activity/dislike'); // AS2 Dislike define('ACTIVITY_AGREE', NAMESPACE_ZOT . '/activity/agree'); // deprecated define('ACTIVITY_DISAGREE', NAMESPACE_ZOT . '/activity/disagree'); // deprecated define('ACTIVITY_ABSTAIN', NAMESPACE_ZOT . '/activity/abstain'); // deprecated define('ACTIVITY_ATTEND', NAMESPACE_ZOT . '/activity/attendyes'); // AS2 Accept define('ACTIVITY_ATTENDNO', NAMESPACE_ZOT . '/activity/attendno'); // AS2 Reject define('ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT . '/activity/attendmaybe'); // AS2 TentativeAccept define('ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend'); // deprecated define('ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow'); // AS2 Follow define('ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following'); // AS2 Ignore define('ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post'); // AS2 Create define('ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update'); // AS2 Update define('ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag'); // unused define('ACTIVITY_SHARE', 'Announce'); define('ACTIVITY_CREATE', NAMESPACE_ACTIVITY_SCHEMA . 'create'); // deprecated define('ACTIVITY_DELETE', NAMESPACE_ACTIVITY_SCHEMA . 'delete'); // AS2 Delete define('ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke'); // deprecated define('ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood'); // deprecated define('ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment'); // AS2 Note define('ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note'); // AS2 Note define('ACTIVITY_OBJ_ARTICLE', NAMESPACE_ACTIVITY_SCHEMA . 'article'); // AS2 Article define('ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person'); // AS2 Person define('ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo'); // AS2 Image define('ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event'); // AS2 Event define('ACTIVITY_OBJ_TAGTERM', NAMESPACE_ZOT . '/activity/tagterm'); // unused define('ACTIVITY_OBJ_PROFILE', NAMESPACE_ZOT . '/activity/profile'); // AS2 Profile define('ACTIVITY_OBJ_THING', NAMESPACE_ZOT . '/activity/thing'); // AS2 Page /** * Account Flags */ define('ACCOUNT_OK', 0x0000); define('ACCOUNT_UNVERIFIED', 0x0001); define('ACCOUNT_BLOCKED', 0x0002); define('ACCOUNT_EXPIRED', 0x0004); define('ACCOUNT_REMOVED', 0x0008); define('ACCOUNT_PENDING', 0x0010); /** * Account roles */ define('ACCOUNT_ROLE_SYSTEM', 0x0002); define('ACCOUNT_ROLE_DEVELOPER', 0x0004); define('ACCOUNT_ROLE_ADMIN', 0x1000); /** * Item visibility */ define('ITEM_VISIBLE', 0x0000); define('ITEM_HIDDEN', 0x0001); define('ITEM_BLOCKED', 0x0002); define('ITEM_MODERATED', 0x0004); define('ITEM_SPAM', 0x0008); define('ITEM_DELETED', 0x0010); define('ITEM_UNPUBLISHED', 0x0020); define('ITEM_WEBPAGE', 0x0040); // is a static web page, not a conversational item define('ITEM_DELAYED_PUBLISH', 0x0080); define('ITEM_BUILDBLOCK', 0x0100); // Named thusly to make sure nobody confuses this with ITEM_BLOCKED define('ITEM_PDL', 0x0200); // Page Description Language - e.g. Comanche define('ITEM_BUG', 0x0400); // Is a bug, can be used by the internal bug tracker define('ITEM_PENDING_REMOVE', 0x0800); // deleted, notification period has lapsed define('ITEM_DOC', 0x1000); // hubzilla only, define here so that item import does the right thing define('ITEM_CARD', 0x2000); define('ITEM_ARTICLE', 0x4000); define('ITEM_TYPE_POST', 0); define('ITEM_TYPE_BLOCK', 1); define('ITEM_TYPE_PDL', 2); define('ITEM_TYPE_WEBPAGE', 3); define('ITEM_TYPE_BUG', 4); define('ITEM_TYPE_DOC', 5); define('ITEM_TYPE_CARD', 6); define('ITEM_TYPE_ARTICLE', 7); //OSADA ITEM_TYPE_MAIL = 8 define('ITEM_TYPE_CUSTOM', 9); define('ITEM_IS_STICKY', 1000); define('DBTYPE_MYSQL', 0); define('DBTYPE_POSTGRES', 1); /** * Boot the app. * * Detects if the system is installed, and if it is, reads the basic configuration * in `.htconfig`, conects to the database, and loads the system configuration stored * in the db. * * As a side effect it also sets the App::$install flag to true if the system is _not_ * installed yet. * * @return True if the system is installed, false otherwise. */ function sys_boot(): bool { // our central App object App::init(); /* * Load the configuration file which contains our DB credentials. * Ignore errors. If the file doesn't exist or is empty, we are running in * installation mode. */ // miniApp is a conversion object from old style .htconfig.php files $a = new miniApp; App::$install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true); @include('.htconfig.php'); // allow somebody to set some initial settings just in case they can't // install without special fiddling if (App::$install && file_exists('.htpreconfig.php')) @include('.htpreconfig.php'); if (array_key_exists('default_timezone', get_defined_vars())) { App::$config['system']['timezone'] = $default_timezone; } $a->convert(); App::$config['system']['server_role'] = 'pro'; App::$timezone = ((App::$config['system']['timezone']) ? App::$config['system']['timezone'] : 'UTC'); date_default_timezone_set(App::$timezone); if (!defined('DEFAULT_PLATFORM_ICON')) { define('DEFAULT_PLATFORM_ICON', '/images/hz-32.png'); } if (!defined('DEFAULT_NOTIFY_ICON')) { define('DEFAULT_NOTIFY_ICON', '/images/hz-white-64.png'); } App::head_set_icon(DEFAULT_PLATFORM_ICON); /* * Try to open the database; */ require_once('include/dba/dba_driver.php'); if (!App::$install) { if (empty($db_charset)) { $db_charset = ((intval($db_type) === 0) ? 'utf8mb4' : 'UTF8'); } DBA::dba_factory($db_host, $db_port, $db_user, $db_pass, $db_data, $db_type, $db_charset, App::$install); if (!DBA::$dba->connected) { system_unavailable(); } unset($db_host, $db_port, $db_user, $db_pass, $db_data, $db_type, $db_charset); /* * Load configs from db. Overwrite configs from .htconfig.php */ Config::Load('system'); Config::Load('feature'); App::$session = new Zotlabs\Web\Session(); App::$session->init(); load_hooks(); /** * @hooks init_1 */ call_hooks('init_1'); } return !App::$install; } function startup() { error_reporting(E_ALL & ~E_WARNING & ~E_NOTICE & ~E_DEPRECATED); // Some hosting providers block/disable this @set_time_limit(0); if (function_exists('ini_set')) { // This has to be quite large to deal with embedded private photos //@ini_set('pcre.backtrack_limit', 500000); // Use cookies to store the session ID on the client side @ini_set('session.use_only_cookies', 1); // Disable transparent Session ID support @ini_set('session.use_trans_sid', 0); } } /** * class miniApp * * this is a transient structure which is needed to convert the $a->config settings * from older (existing) htconfig files which used a global App ($a) into the updated App structure * which is now static (although currently constructed at startup). We are only converting * 'system' config settings. */ class miniApp { public $config = ['system' => []]; public function convert() { if ($this->config['system']) { foreach ($this->config['system'] as $k => $v) App::$config['system'][$k] = $v; } } } /** * class: App * * @brief Our main application structure for the life of this page. * * Primarily deals with the URL that got us here * and tries to make some sense of it, and * stores our page contents and config storage * and anything else that might need to be passed around * before we spit the page out. * */ class App { public static $install = false; // true if we are installing the software public static $account = null; // account record of the logged-in account public static $channel = null; // channel record of the current channel of the logged-in account public static $observer = null; // xchan record of the page observer public static $profile_uid = 0; // If applicable, the channel_id of the "page owner" public static $poi = null; // "person of interest", generally a referenced connection private static $oauth_key = null; // consumer_id of oauth request, if used public static $layout = []; // Comanche parsed template public static $pdl = null; // Comanche page description private static $perms = null; // observer permissions private static $widgets = []; // widgets for this page public static $config = []; // config cache public static $override_intltext_templates = []; public static $override_markup_templates = []; public static $override_templateroot = null; public static $override_helproot = null; public static $override_helpfiles = []; public static $session = null; public static $groups; public static $language; public static $langsave; public static $rtl = false; public static $plugins_admin; public static $query_string; public static $page; public static $profile; public static $user; public static $cid; public static $contact; public static $contacts; public static $content; public static $data = []; public static $error = false; public static $emojitab = false; public static $cmd = ''; public static $argv; public static $argc; public static $module; public static $pager; public static $strings; public static $stringsave; // used in push_lang() and pop_lang() public static $hooks; public static $timezone; public static $interactive = true; public static $plugins; private static $apps = []; public static $identities; public static $css_sources = []; public static $js_sources = []; public static $linkrel = []; public static $theme_info = []; public static $is_sys = false; public static $nav_sel; public static $comanche; public static $cache = []; // general purpose cache public static $channel_links; public static $category; // Allow themes to control internal parameters // by changing App values in theme.php public static $sourcename = ''; public static $videowidth = 425; public static $videoheight = 350; public static $force_max_items = 0; public static $theme_thread_allow = true; /** * @brief An array for all theme-controllable parameters * * Mostly unimplemented yet. Only options 'template_engine' and * beyond are used. */ private static $theme = [ 'sourcename' => '', 'videowidth' => 425, 'videoheight' => 350, 'force_max_items' => 0, 'thread_allow' => true, 'stylesheet' => '', 'template_engine' => 'smarty3', ]; /** * @brief An array of registered template engines ('name'=>'class name') */ public static $template_engines = []; /** * @brief An array of instanced template engines ('name'=>'instance') */ public static $template_engine_instance = []; private static $ldelim = [ 'internal' => '', 'smarty3' => '{{' ]; private static $rdelim = [ 'internal' => '', 'smarty3' => '}}' ]; // These represent the URL which was used to access the page private static $scheme; private static $hostname; private static $path; // This is our standardised URL - regardless of what was used // to access the page private static $baseurl; public static $meta; /** * App constructor. */ public static function init() { // we'll reset this after we read our config file date_default_timezone_set('UTC'); self::$config = ['system' => []]; self::$page['htmlhead'] = ''; self::$pager = []; self::$query_string = ''; startup(); set_include_path( 'include' . PATH_SEPARATOR . 'library' . PATH_SEPARATOR . 'library/langdet' . PATH_SEPARATOR . '.'); self::$scheme = 'http'; if (x($_SERVER, 'HTTPS') && $_SERVER['HTTPS']) self::$scheme = 'https'; elseif (x($_SERVER, 'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443)) self::$scheme = 'https'; if (x($_SERVER, 'SERVER_NAME')) { self::$hostname = punify($_SERVER['SERVER_NAME']); if (x($_SERVER, 'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443) self::$hostname .= ':' . $_SERVER['SERVER_PORT']; /* * Figure out if we are running at the top of a domain * or in a sub-directory and adjust accordingly */ $path = trim(dirname($_SERVER['SCRIPT_NAME']), '/\\'); if (isset($path) && strlen($path) && ($path != self::$path)) self::$path = $path; } if ((x($_SERVER, 'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'], 0, 2) === "q=") { self::$query_string = str_replace(['<', '>'], ['<', '>'], substr($_SERVER['QUERY_STRING'], 2)); // removing trailing / - maybe a nginx problem if (substr(self::$query_string, 0, 1) == "/") self::$query_string = substr(self::$query_string, 1); // trim trailing '&' if no extra args are present self::$query_string = rtrim(self::$query_string, '&'); // change the first & to ? self::$query_string = preg_replace('/&/', '?', self::$query_string, 1); } if (x($_GET, 'q')) self::$cmd = escape_tags(trim($_GET['q'], '/\\')); // Serve raw files from the file system in certain cases. $filext = pathinfo(self::$cmd, PATHINFO_EXTENSION); $serve_rawfiles = [ 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png', 'webp' => 'image/webp', 'ico' => 'image/vnd.microsoft.icon', 'css' => 'text/css', 'js' => 'text/javascript', 'htm' => 'text/html', 'html' => 'text/html', 'map' => 'application/octet-stream', 'ttf' => 'font/ttf', 'woff' => 'font/woff', 'woff2' => 'font/woff2', 'svg' => 'image/svg+xml', 'jsonld' => 'application/ld+json' ]; if (array_key_exists($filext, $serve_rawfiles) && file_exists(self::$cmd)) { $staticfilecwd = getcwd(); $staticfilerealpath = realpath(self::$cmd); if (strpos($staticfilerealpath, $staticfilecwd) !== 0) { http_status_exit(404, 'not found', 1); } $staticfileetag = '"' . md5($staticfilerealpath . filemtime(self::$cmd)) . '"'; header("ETag: " . $staticfileetag); header("Cache-control: max-age=2592000"); if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) { // If HTTP_IF_NONE_MATCH is same as the generated ETag => content is the same as browser cache // So send a 304 Not Modified response header and exit if ($_SERVER['HTTP_IF_NONE_MATCH'] == $staticfileetag) { http_status_exit(304, 'not modified', 1); } } header("Content-type: " . $serve_rawfiles[$filext]); $handle = fopen(self::$cmd, "rb"); fpassthru($handle); fclose($handle); killme(); } // unix style "homedir" if ((substr(self::$cmd, 0, 1) === '~') || (substr(self::$cmd, 0, 1) === '@')) self::$cmd = 'channel/' . substr(self::$cmd, 1); /* * Break the URL path into C style argc/argv style arguments for our * modules. Given "http://example.com/module/arg1/arg2", self::$argc * will be 3 (integer) and self::$argv will contain: * [0] => 'module' * [1] => 'arg1' * [2] => 'arg2' * * There will always be one argument. If provided a naked domain * URL, self::$argv[0] is set to "home". * * If $argv[0] has a period in it, for example foo.json; rewrite * to module = 'foo' and set $_REQUEST['module_format'] = 'json'; */ self::$argv = explode('/', self::$cmd); self::$argc = count(self::$argv); if ((array_key_exists('0', self::$argv)) && strlen(self::$argv[0])) { if (strpos(self::$argv[0], '.')) { $_REQUEST['module_format'] = substr(self::$argv[0], strpos(self::$argv[0], '.') + 1); self::$argv[0] = substr(self::$argv[0], 0, strpos(self::$argv[0], '.')); } self::$module = str_replace(".", "_", self::$argv[0]); self::$module = str_replace("-", "_", self::$module); if (strpos(self::$module, '_') === 0) self::$module = substr(self::$module, 1); } else { self::$argc = 1; self::$argv = ['home']; self::$module = 'home'; } /* * See if there is any page number information, and initialise * pagination */ self::$pager['page'] = ((x($_GET, 'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1); self::$pager['itemspage'] = 60; self::$pager['start'] = (self::$pager['page'] * self::$pager['itemspage']) - self::$pager['itemspage']; if (self::$pager['start'] < 0) self::$pager['start'] = 0; self::$pager['total'] = 0; /* * register template engines */ self::$meta = new Zotlabs\Web\HttpMeta(); // create an instance of the smarty template engine so we can register it. $smarty = new Zotlabs\Render\SmartyTemplate(); /// @todo validate if this is still the desired behavior self::register_template_engine(get_class($smarty)); } public static function get_baseurl($ssl = false) { if (is_array(self::$config) && array_key_exists('system', self::$config) && is_array(self::$config['system']) && array_key_exists('baseurl', self::$config['system']) && strlen(self::$config['system']['baseurl'])) { // get_baseurl() is a heavily used function. // Do not use punify() here until we find a library that performs better than what we have now. //$url = punify(self::$config['system']['baseurl']); $url = self::$config['system']['baseurl']; $url = trim($url, '\\/'); return $url; } $scheme = self::$scheme; self::$baseurl = $scheme . "://" . punify(self::$hostname) . ((isset(self::$path) && strlen(self::$path)) ? '/' . self::$path : ''); return self::$baseurl; } public static function set_baseurl($url) { if (is_array(self::$config) && array_key_exists('system', self::$config) && is_array(self::$config['system']) && array_key_exists('baseurl', self::$config['system']) && strlen(self::$config['system']['baseurl'])) { $url = punify(self::$config['system']['baseurl']); $url = trim($url, '\\/'); } $parsed = @parse_url($url); self::$baseurl = $url; if ($parsed !== false) { self::$scheme = $parsed['scheme']; self::$hostname = punify($parsed['host']); if (x($parsed, 'port')) self::$hostname .= ':' . $parsed['port']; if (x($parsed, 'path')) self::$path = trim($parsed['path'], '\\/'); } } public static function get_scheme() { return self::$scheme; } public static function get_hostname() { return self::$hostname; } public static function set_hostname($h) { self::$hostname = $h; } public static function set_path($p) { self::$path = trim(trim($p), '/'); } public static function get_path() { return self::$path; } public static function get_channel_links() { $s = ''; $x = self::$channel_links; if ($x && is_array($x) && count($x)) { foreach ($x as $y) { if ($s) { $s .= ','; } $s .= '<' . $y['url'] . '>; rel="' . $y['rel'] . '"; type="' . $y['type'] . '"'; } } return $s; } public static function set_account($acct) { self::$account = $acct; } public static function get_account() { return self::$account; } public static function set_channel($channel) { self::$channel = $channel; } public static function get_channel() { return self::$channel; } public static function set_observer($xchan) { self::$observer = $xchan; } public static function get_observer() { return self::$observer; } public static function set_perms($perms) { self::$perms = $perms; } public static function get_perms() { return self::$perms; } public static function set_oauth_key($consumer_id) { self::$oauth_key = $consumer_id; } public static function get_oauth_key() { return self::$oauth_key; } public static function get_apps() { return self::$apps; } public static function set_apps($arr) { self::$apps = $arr; } public static function set_groups($g) { self::$groups = $g; } public static function get_groups() { return self::$groups; } public static function set_pager_total($n) { self::$pager['total'] = intval($n); } public static function set_pager_itemspage($n) { self::$pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0); self::$pager['start'] = (self::$pager['page'] * self::$pager['itemspage']) - self::$pager['itemspage']; } public static function build_pagehead() { $user_scalable = ((local_channel()) ? get_pconfig(local_channel(), 'system', 'user_scalable') : 0); if ($user_scalable === false) $user_scalable = 0; $preload_images = ((local_channel()) ? get_pconfig(local_channel(), 'system', 'preload_images') : 0); if ($preload_images === false) $preload_images = 0; $interval = ((local_channel()) ? get_pconfig(local_channel(), 'system', 'update_interval') : 80000); if ($interval < 10000) $interval = 80000; $theme_color = ((local_channel()) ? get_pconfig(local_channel(), 'redbasic', 'nav_bg') : App::$theme_info['theme_color']); if (!$theme_color) { $theme_color = App::$theme_info['theme_color']; } if (!isset(self::$page['title']) && isset(self::$config['system']['sitename'])) self::$page['title'] = self::$config['system']['sitename']; if (isset(self::$page['title'])) $pagemeta = ['og:title' => self::$page['title']]; call_hooks('page_meta', $pagemeta); if ($pagemeta) { foreach ($pagemeta as $metaproperty => $metavalue) { self::$meta->set($metaproperty, $metavalue); } } // webmanifest head_add_link(['rel' => 'manifest', 'href' => '/manifest.json']); self::$meta->set('application-name', Zotlabs\Lib\System::get_platform_name()); self::$meta->set('generator', Zotlabs\Lib\System::get_platform_name()); self::$meta->set('theme-color', $theme_color); head_add_link(['rel' => 'shortcut icon', 'href' => head_get_icon()]); head_add_link(['rel' => 'apple-touch-icon', 'href' => '/images/app/hz-192.png']); $x = ['header' => '']; /** * @hooks build_pagehead * Called when creating the HTML page header. * * \e string \b header - Return the HTML header which should be added */ call_hooks('build_pagehead', $x); /* put the head template at the beginning of page['htmlhead'] * since the code added by the modules frequently depends on it * being first */ self::$page['htmlhead'] = replace_macros(get_markup_template('head.tpl'), [ '$preload_images' => $preload_images, '$user_scalable' => $user_scalable, '$query' => urlencode(self::$query_string), '$baseurl' => self::get_baseurl(), '$local_channel' => local_channel(), '$metas' => self::$meta->get(), '$plugins' => $x['header'], '$update_interval' => $interval, '$sse_enabled' => Config::Get('system', 'sse_enabled', 0), '$head_css' => head_get_css(), '$head_js' => head_get_js(), '$linkrel' => head_get_links(), '$js_strings' => js_strings(), '$zid' => get_my_address(), '$channel_id' => self::$profile['uid'] ?? 0, '$auto_save_draft' => ((isset(self::$profile['uid']) && feature_enabled(self::$profile['uid'], 'auto_save_draft')) ? "true" : "false"), '$module' => App::$module ] ) . ((isset(self::$page['htmlhead'])) ? self::$page['htmlhead'] : ''); // always put main.js at the end self::$page['htmlhead'] .= head_get_main_js(); } /** * @brief Register template engine class. * * If $name is "", is used class static property $class::$name. * * @param string $class * @param string $name */ public static function register_template_engine($class, $name = '') { if (!$name) { $v = get_class_vars($class); if (x($v, "name")) { $name = $v['name']; } } if (!$name) { echo "template engine $class cannot be registered without a name.\n"; killme(); } self::$template_engines[$name] = $class; } /** * @brief Return template engine instance. * * If $name is not defined, return engine defined by theme, or default. * * @param string $name Template engine name * * @return object Template Engine instance */ public static function template_engine($name = '') { if ($name !== '') { $template_engine = $name; } else { $template_engine = 'smarty3'; if (x(self::$theme, 'template_engine')) { $template_engine = self::$theme['template_engine']; } } if (isset(self::$template_engines[$template_engine])) { if (isset(self::$template_engine_instance[$template_engine])) { return self::$template_engine_instance[$template_engine]; } else { $class = self::$template_engines[$template_engine]; $obj = new $class; self::$template_engine_instance[$template_engine] = $obj; return $obj; } } echo "template engine $template_engine is not registered!\n"; killme(); } /** * @brief Returns the active template engine. * * @return string */ public static function get_template_engine() { return self::$theme['template_engine']; } public static function set_template_engine($engine = 'smarty3') { self::$theme['template_engine'] = $engine; } public static function get_template_ldelim($engine = 'smarty3') { return self::$ldelim[$engine]; } public static function get_template_rdelim($engine = 'smarty3') { return self::$rdelim[$engine]; } public static function head_set_icon($icon) { self::$data['pageicon'] = $icon; } public static function head_get_icon() { $icon = self::$data['pageicon']; if (!strpos($icon, '://')) $icon = z_root() . $icon; return $icon; } } // End App class /** * @brief Multi-purpose function to check variable state. * * Usage: x($var) or $x($array, 'key') * * returns false if variable/key is not set * if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0. * e.g. x('') or x(0) returns 0; * * @param string|array $s variable to check * @param string $k key inside the array to check * * @return bool|int */ function x($s, $k = null) { if ($k != null) { if ((is_array($s)) && (array_key_exists($k, $s))) { if ($s[$k]) return (int)1; return (int)0; } return false; } else { if (isset($s)) { if ($s) { return (int)1; } return (int)0; } return false; } } /** * @brief Called from db initialisation if db is dead. * * @ref include/system_unavailable.php will handle everything further. */ function system_unavailable() { require_once('include/system_unavailable.php'); system_down(); killme(); } function clean_urls() { // if(App::$config['system']['clean_urls']) return true; // return false; } function z_path() { $base = z_root(); if (!clean_urls()) $base .= '/?q='; return $base; } /** * @brief Returns the baseurl. * * @return string * @see App::get_baseurl() * */ function z_root() { return App::get_baseurl(); } /** * @brief Return absolute URL for given $path. * * @param string $path * * @return string */ function absurl($path) { if (strpos($path, '/') === 0) return z_path() . $path; return $path; } function os_mkdir($path, $mode = 0777, $recursive = false) { $oldumask = @umask(0); $result = @mkdir($path, $mode, $recursive); @umask($oldumask); return $result; } /** * @brief Recursively delete a directory. * * @param string $path * @return boolean */ function rrmdir($path) { if (is_dir($path) === true) { $dir_entries = scandir($path); if (is_array($dir_entries)) { $files = array_diff($dir_entries, ['.', '..']); foreach ($files as $file) { rrmdir(realpath($path) . '/' . $file); } } return rmdir($path); } elseif (is_file($path) === true) { return unlink($path); } return false; } /** * @brief Function to check if request was an AJAX (xmlhttprequest) request. * * @return boolean */ function is_ajax() { return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest'); } /** * Primarily involved with database upgrade, but also sets the * base url for use in cmdline programs which don't have * $_SERVER variables, and synchronising the state of installed plugins. */ function check_config() { $saved = Config::Get('system', 'urlverify'); if (!$saved) Config::Set('system', 'urlverify', bin2hex(z_root())); if (($saved) && ($saved != bin2hex(z_root()))) { // our URL changed. Do something. $oldurl = hex2bin($saved); logger('Baseurl changed!'); $oldhost = substr($oldurl, strpos($oldurl, '//') + 2); $host = substr(z_root(), strpos(z_root(), '//') + 2); $is_ip_addr = ((preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $host)) ? true : false); $was_ip_addr = ((preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $oldhost)) ? true : false); // only change the url to an ip address if it was already an ip and not a dns name if ((!$is_ip_addr) || ($is_ip_addr && $was_ip_addr)) { fix_system_urls($oldurl, z_root()); Config::Set('system', 'urlverify', bin2hex(z_root())); } else logger('Attempt to change baseurl from a DNS name to an IP address was refused.'); } // This will actually set the url to the one stored in .htconfig, and ignore what // we're passing - unless we are installing and it has never been set. App::set_baseurl(z_root()); new DB_Upgrade(DB_UPDATE_VERSION); plugins_sync(); load_hooks(); check_for_new_perms(); check_cron_broken(); } function fix_system_urls($oldurl, $newurl) { logger('fix_system_urls: renaming ' . $oldurl . ' to ' . $newurl); // Basically a site rename, but this can happen if you change from http to https for instance - even if the site name didn't change // This should fix URL changes on our site, but other sites will end up with orphan hublocs which they will try to contact and will // cause wasted communications. // What we need to do after fixing this up is to send a revocation of the old URL to every other site that we communicate with so // that they can clean up their hubloc tables (this includes directories). // It's a very expensive operation so you don't want to have to do it often or after your site gets to be large. $r = q("select xchan.*, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_url like '%s' and hubloc_network = 'zot6'", dbesc($oldurl . '%') ); if ($r) { foreach ($r as $rv) { $channel_address = substr($rv['hubloc_addr'], 0, strpos($rv['hubloc_addr'], '@')); // get the associated channel. If we don't have a local channel, do nothing for this entry. $c = q("select * from channel where channel_hash = '%s' limit 1", dbesc($rv['hubloc_hash']) ); if (!$c) continue; $parsed = @parse_url($newurl); if (!$parsed) continue; $newhost = $parsed['host']; // sometimes parse_url returns unexpected results. if (strpos($newhost, '/') !== false) $newhost = substr($newhost, 0, strpos($newhost, '/')); $rhs = $newhost . (($parsed['port']) ? ':' . $parsed['port'] : ''); // paths aren't going to work. You have to be at the (sub)domain root // . (($parsed['path']) ? $parsed['path'] : ''); // The xchan_url might point to another nomadic identity clone $replace_xchan_url = ((strpos($rv['xchan_url'], $oldurl) !== false) ? true : false); q("update xchan set xchan_addr = '%s', xchan_url = '%s', xchan_connurl = '%s', xchan_follow = '%s', xchan_connpage = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_date = '%s' where xchan_hash = '%s'", dbesc($channel_address . '@' . $rhs), dbesc(($replace_xchan_url) ? str_replace($oldurl, $newurl, $rv['xchan_url']) : $rv['xchan_url']), dbesc(str_replace($oldurl, $newurl, $rv['xchan_connurl'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_follow'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_connpage'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_l'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_m'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_s'])), dbesc(datetime_convert()), dbesc($rv['xchan_hash']) ); q("update hubloc set hubloc_addr = '%s', hubloc_url = '%s', hubloc_id_url = '%s', hubloc_url_sig = '%s', hubloc_site_id = '%s', hubloc_host = '%s', hubloc_callback = '%s' where hubloc_hash = '%s' and hubloc_url = '%s'", dbesc($channel_address . '@' . $rhs), dbesc($newurl), dbesc(str_replace($oldurl, $newurl, $rv['hubloc_id_url'])), dbesc(Libzot::sign($newurl, $c[0]['channel_prvkey'])), dbesc(Libzot::make_xchan_hash($newurl, Config::Get('system', 'pubkey'))), dbesc($newhost), dbesc($newurl . '/zot'), dbesc($rv['xchan_hash']), dbesc($oldurl) ); q("update profile set photo = '%s', thumb = '%s' where uid = %d", dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_l'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_m'])), intval($c[0]['channel_id']) ); $m = q("select abook_id, abook_instance from abook where abook_instance like '%s' and abook_channel = %d", dbesc('%' . $oldurl . '%'), intval($c[0]['channel_id']) ); if ($m) { foreach ($m as $mm) { q("update abook set abook_instance = '%s' where abook_id = %d", dbesc(str_replace($oldurl, $newurl, $mm['abook_instance'])), intval($mm['abook_id']) ); } } Master::Summon(['Notifier', 'refresh_all', $c[0]['channel_id']]); } } // fix links in apps $a = q("select id, app_url, app_photo from app where app_url like '%s' OR app_photo like '%s'", dbesc('%' . $oldurl . '%'), dbesc('%' . $oldurl . '%') ); if ($a) { foreach ($a as $aa) { q("update app set app_url = '%s', app_photo = '%s' where id = %d", dbesc(str_replace($oldurl, $newurl, $aa['app_url'])), dbesc(str_replace($oldurl, $newurl, $aa['app_photo'])), intval($aa['id']) ); } } // now replace any remote xchans whose photos are stored locally (which will be most if not all remote xchans) $r = q("select * from xchan where xchan_photo_l like '%s'", dbesc($oldurl . '%') ); if ($r) { foreach ($r as $rv) { q("update xchan set xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s' where xchan_hash = '%s'", dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_l'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_m'])), dbesc(str_replace($oldurl, $newurl, $rv['xchan_photo_s'])), dbesc($rv['xchan_hash']) ); } } } /** * @brief Wrapper for adding a login box. * * If $register == true provide a registration link. This will most always depend * on the value of App::$config['system']['register_policy']. * Returns the complete html for inserting into the page * * @param boolean $register (optional) default false * @param string $form_id (optional) default \e main-login * @param boolean $hiddens (optional) default false * @param boolean $login_page (optional) default true * @return string Parsed HTML code. */ function login($register = false, $form_id = 'main_login', $hiddens = false, $login_page = true) { $o = ''; $reg = null; // Here's the current description of how the register link works (2018-05-15) // Register links are enabled on the site home page and login page and navbar. // They are not shown by default on other pages which may require login. // If the register link is enabled and registration is closed, the request is directed // to /pubsites. If registration is allowed, /register is the default destination // system.register_link can over-ride the default behaviour and redirect to an arbitrary // webpage for paid/custom or organisational registrations, regardless of whether // registration is allowed. // system.register_link may or may not be the same destination as system.sellpage // system.sellpage is the destination linked from the /pubsites page on other sites. If // system.sellpage is not set, the 'register' link in /pubsites will go to 'register' on your // site. // If system.register_link is set to the word 'none', no registration link will be shown on // your site. $register_policy = Config::Get('system', 'register_policy'); $reglink = Config::Get('system', 'register_link', z_root() . '/' . ((intval($register_policy) === REGISTER_CLOSED) ? 'pubsites' : 'register')); if ($reglink !== 'none') { $reg = [ 'title' => t('Create an account to access services and applications'), 'desc' => t('Register'), 'link' => $reglink ]; } $dest_url = z_root() . '/' . App::$query_string; if (local_channel()) { $tpl = get_markup_template("logout.tpl"); } else { $tpl = get_markup_template("login.tpl"); if (strlen(App::$query_string)) $_SESSION['login_return_url'] = App::$query_string; } $email_required = Config::Get('system', 'verify_email'); $lname_label = (($email_required) ? t('Email or nickname') : t('Nickname')); $o .= replace_macros($tpl, [ '$dest_url' => $dest_url, '$login_page' => $login_page, '$logout' => t('Logout'), '$login' => t('Login'), '$remote_login' => t('Remote Authentication'), '$form_id' => $form_id, '$lname' => [$form_id . '_username', $lname_label, null, null, null, null], '$lpassword' => [$form_id . '_password', t('Password'), null, null, null, null], '$remember_me' => [$form_id . '_remember', t('Remember me'), '', '', [t('No'), t('Yes')], null, null], '$hiddens' => $hiddens, '$register' => $reg, '$lostpass' => t('Forgot your password?'), '$lostlink' => (($email_required) ? t('Password Reset') : ''), ]); /** * @hooks login_hook * Called when generating the login form. * * \e string with parsed HTML */ call_hooks('login_hook', $o); return $o; } /** * @brief Used to end the current process, after saving session state. */ function killme() { register_shutdown_function('shutdown'); exit; } /** * @brief Redirect to another URL and terminate this process. */ function goaway($s) { header("Location: $s"); killme(); } function shutdown() { } /** * @brief Returns the entity id of locally logged in account or false. * * Returns numeric account_id if authenticated or 0. It is possible to be * authenticated and not connected to a channel. * * @return int|bool account_id or false */ function get_account_id() { if (isset($_SESSION['account_id'])) return intval($_SESSION['account_id']); if (App::$account) return intval(App::$account['account_id']); return false; } /** * @brief Returns the entity id (channel_id) of locally logged in channel or false. * * Returns authenticated numeric channel_id if authenticated and connected to * a channel or 0. Sometimes referred to as $uid in the code. * * Before 2.1 this function was called local_user(). * * @return int|bool channel_id or false * @since 2.1 */ function local_channel() { if (session_id() && array_key_exists('authenticated', $_SESSION) && $_SESSION['authenticated'] && array_key_exists('uid', $_SESSION) && intval($_SESSION['uid'])) return intval($_SESSION['uid']); return false; } /** * @brief Returns a xchan_hash (visitor_id) of remote authenticated visitor * or false. * * Returns authenticated string hash of Red global identifier (xchan_hash), if * authenticated via remote auth, or an empty string. * * Before 2.1 this function was called remote_user(). * * @return string|bool visitor_id or false * @since 2.1 */ function remote_channel() { if (session_id() && array_key_exists('authenticated', $_SESSION) && $_SESSION['authenticated'] && array_key_exists('visitor_id', $_SESSION) && $_SESSION['visitor_id']) return $_SESSION['visitor_id']; return false; } function can_view_public_stream() { if (observer_prohibited(true)) { return false; } if (!(intval(Config::Get('system', 'open_pubstream', 1)))) { if (!get_observer_hash()) { return false; } } $net_firehose = ((Config::Get('system', 'disable_discover_tab', 1)) ? false : true); if (!$net_firehose) { return false; } return true; } /** * @brief Show an error or alert text on next page load. * * Contents of $s are displayed prominently on the page the next time * a page is loaded. Usually used for errors or alerts. * * For informational text use info(). * * @param string $s Text to display */ function notice($s) { /* if (!session_id()) { return; } if (!isset($_SESSION['sysmsg'])) { $_SESSION['sysmsg'] = []; } // ignore duplicated error messages which haven't yet been displayed if (in_array($s, $_SESSION['sysmsg'])) { return; } if (App::$interactive) { $_SESSION['sysmsg'][] = $s; } */ $hash = get_observer_hash(); $sse_id = false; if (!$hash) { if (session_id()) { $sse_id = true; $hash = 'sse_id.' . session_id(); } else { return; } } $x = null; $t = get_xconfig($hash, 'sse', 'timestamp', NULL_DATE); if (datetime_convert('UTC', 'UTC', $t) < datetime_convert('UTC', 'UTC', '- 30 seconds')) { set_xconfig($hash, 'sse', 'notifications', []); $x = []; } if ($x === null) { $x = get_xconfig($hash, 'sse', 'notifications', []); } if (isset($x['notice']) && in_array($s, $x['notice']['notifications'])) { return; } if (App::$interactive) { $x['notice']['notifications'][] = $s; set_xconfig($hash, 'sse', 'notifications', $x); } } /** * @brief Show an information text on next page load. * * Contents of $s are displayed prominently on the page the next time a page is * loaded. Usually used for information. * * For error and alerts use notice(). * * @param string $s Text to display */ function info($s) { /* if (!session_id()) { return; } if (!isset($_SESSION['sysmsg_info'])) { $_SESSION['sysmsg_info'] = []; } // ignore duplicated error messages which haven't yet been displayed if (in_array($s, $_SESSION['sysmsg_info'])) { return; } if (App::$interactive) { $_SESSION['sysmsg_info'][] = $s; } */ $hash = get_observer_hash(); $sse_id = false; if (!$hash) { if (session_id()) { $sse_id = true; $hash = 'sse_id.' . session_id(); } else { return; } } $x = null; $t = get_xconfig($hash, 'sse', 'timestamp', NULL_DATE); if (datetime_convert('UTC', 'UTC', $t) < datetime_convert('UTC', 'UTC', '- 30 seconds')) { set_xconfig($hash, 'sse', 'notifications', []); $x = []; } if ($x === null) { $x = get_xconfig($hash, 'sse', 'notifications', []); } if (isset($x['info']) && in_array($s, $x['info']['notifications'])) { return; } if (App::$interactive) { $x['info']['notifications'][] = $s; set_xconfig($hash, 'sse', 'notifications', $x); } } /** * @brief Wrapper around config to limit the text length of an incoming message. * * @return int */ function get_max_import_size() { return (intval(Config::Get('system', 'max_import_size'))); } /** * @brief Wrap calls to proc_close(proc_open()) and call hook * so plugins can take part in process :) * * args: * $cmd program to run * next args are passed as $cmd command line * * e.g.: * @code{.php}proc_run("ls", "-la", "/tmp");@endcode * * $cmd and string args are surrounded with "" */ function proc_run() { $args = func_get_args(); if (!count($args)) return; $args = flatten_array_recursive($args); $arr = [ 'args' => $args, 'run_cmd' => true ]; /** * @hooks proc_run * Called when invoking PHP sub processes. * * \e array \b args * * \e boolean \b run_cmd */ call_hooks('proc_run', $arr); if (!$arr['run_cmd']) return; if (count($args) && $args[0] === 'php') { $args[0] = ((x(App::$config, 'system')) && (x(App::$config['system'], 'php_path')) && (strlen(App::$config['system']['php_path'])) ? App::$config['system']['php_path'] : 'php'); } $args = array_map('escapeshellarg', $args); $cmdline = implode(' ', $args); if (is_windows()) { $cwd = getcwd(); $cmd = "cmd /c start \"title\" /D \"$cwd\" /b $cmdline"; proc_close(proc_open($cmd, [], $foo)); } else { if (Config::Get('system', 'use_proc_open')) proc_close(proc_open($cmdline . " &", [], $foo)); else exec($cmdline . ' > /dev/null &'); } } /** * @brief Checks if we are running on M$ Windows. * * @return bool true if we run on M$ Windows * * It's possible you might be able to run on WAMP or XAMPP, and this * has been accomplished, but is not officially supported. Good luck. * */ function is_windows() { return ((strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? true : false); } /** * @brief Check if current user has admin role. * * Check if the current user has ACCOUNT_ROLE_ADMIN. * * @return bool true if user is an admin */ function is_site_admin() { if (!session_id()) return false; if (isset($_SESSION['delegate'])) return false; if (isset($_SESSION['authenticated']) && is_array(App::$account) && (App::$account['account_roles'] & ACCOUNT_ROLE_ADMIN)) return true; return false; } /** * @brief Check if current user has developer role. * * Check if the current user has ACCOUNT_ROLE_DEVELOPER. * * @return bool true if user is a developer */ function is_developer() { if (!session_id()) return false; if ((intval($_SESSION['authenticated'])) && (is_array(App::$account)) && (App::$account['account_roles'] & ACCOUNT_ROLE_DEVELOPER)) return true; return false; } function load_contact_links($uid) { $ret = []; if (!$uid || x(App::$contacts, 'empty')) return; // logger('load_contact_links'); $r = q("SELECT abook_id, abook_flags, abook_my_perms, abook_their_perms, abook_self, xchan_hash, xchan_photo_m, xchan_name, xchan_url, xchan_network from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d and xchan_deleted = 0", intval($uid) ); if ($r) { foreach ($r as $rv) { $ret[$rv['xchan_hash']] = $rv; } } else $ret['empty'] = true; App::$contacts = $ret; } /** * @brief Returns querystring as string from a mapped array. * * @param array $params mapped array with query parameters * @param string $name of parameter, default null * * @return string */ function build_querystring($params, $name = null) { $ret = ''; foreach ($params as $key => $val) { if (is_array($val)) { if ($name === null) { $ret .= build_querystring($val, $key); } else { $ret .= build_querystring($val, $name . "[$key]"); } } else { $val = urlencode($val); if ($name != null) { $ret .= $name . "[$key]" . "=$val&"; } else { $ret .= "$key=$val&"; } } } return $ret; } /** * @brief Much better way of dealing with c-style args. */ function argc() { return App::$argc; } function argv($x) { if (array_key_exists($x, App::$argv)) return App::$argv[$x]; return ''; } function dba_timer() { return microtime(true); } /** * @brief Returns xchan_hash from the observer. * * Observer can be a local or remote channel. * * @return string xchan_hash from observer, otherwise empty string if no observer */ function get_observer_hash() { $observer = App::get_observer(); if (is_array($observer)) return $observer['xchan_hash']; return ''; } /** * @brief Returns the complete URL of the current page, e.g.: http(s)://something.com/network * * Taken from http://webcheatsheet.com/php/get_current_page_url.php * * @return string */ function curPageURL() { $pageURL = 'http'; if ($_SERVER["HTTPS"] == "on") { $pageURL .= "s"; } $pageURL .= "://"; if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") { $pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"]; } else { $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"]; } return $pageURL; } /** * @brief Returns a custom navigation by name??? * * If no $navname provided load default page['nav'] * * @param string $navname * * @return mixed * @todo not fully implemented yet * */ function get_custom_nav($navname) { if (!$navname) return App::$page['nav']; // load custom nav menu by name here } /** * @brief Loads a page definition file for a module. * * If there is no parsed Comanche template already load a module's pdl file * and parse it with Comanche. * */ function load_pdl() { App::$comanche = new Zotlabs\Render\Comanche(); if (!count(App::$layout)) { $arr = [ 'module' => App::$module, 'layout' => '' ]; /** * @hooks load_pdl * Called when we load a PDL file or description. * * \e string \b module * * \e string \b layout */ call_hooks('load_pdl', $arr); $layout = $arr['layout']; $n = 'mod_' . App::$module . '.pdl'; $u = App::$comanche->get_channel_id(); $s = ''; if ($u) { $s = get_pconfig($u, 'system', $n); } if (!$s) { $s = $layout; } if ((!$s) && (($p = theme_include($n)) != '')) { $s = @file_get_contents($p); } elseif ((!$s) && file_exists('addon/' . App::$module . '/' . $n)) { $s = @file_get_contents('addon/' . App::$module . '/' . $n); } $arr = [ 'module' => App::$module, 'layout' => $s ]; call_hooks('alter_pdl', $arr); $s = $arr['layout']; if ($s) { App::$comanche->parse($s); App::$pdl = $s; } } } function exec_pdl() { if (App::$pdl) { App::$comanche->parse(App::$pdl, 1); } } /** * @brief build the page. * * Build the page - now that we have all the components * */ function construct_page() { exec_pdl(); $comanche = ((count(App::$layout)) ? true : false); require_once(theme_include('theme_init.php')); $uid = ((App::$profile_uid) ? App::$profile_uid : local_channel()); $navbar = Config::Get('system', 'navbar', 'default'); if ($uid) { $navbar = get_pconfig($uid, 'system', 'navbar', $navbar); } if ($comanche && isset(App::$layout['navbar'])) { $navbar = App::$layout['navbar']; } if (App::$module !== 'setup') { nav($navbar); } $current_theme = Zotlabs\Render\Theme::current(); // logger('current_theme: ' . print_r($current_theme,true)); // Zotlabs\Render\Theme::debug(); if (($p = theme_include($current_theme[0] . '.js')) != '') head_add_js('/' . $p); if (($p = theme_include('mod_' . App::$module . '.php')) != '') require_once($p); require_once('include/js_strings.php'); if (x(App::$page, 'template_style')) head_add_css(App::$page['template_style'] . '.css'); else head_add_css(((x(App::$page, 'template')) ? App::$page['template'] : 'default') . '.css'); if (($p = theme_include('mod_' . App::$module . '.css')) != '') head_add_css('mod_' . App::$module . '.css'); head_add_css(Zotlabs\Render\Theme::url()); if (($p = theme_include('mod_' . App::$module . '.js')) != '') head_add_js('mod_' . App::$module . '.js'); App::build_pagehead(); if (isset(App::$page['pdl_content'])) { App::$page['content'] = App::$comanche->region(App::$page['content']); } // Let's say we have a comanche declaration '[region=nav][/region][region=content]$nav $content[/region]'. // The text 'region=' identifies a section of the layout by that name. So what we want to do here is leave // App::$page['nav'] empty and put the default content from App::$page['nav'] and App::$page['section'] // into a new region called App::$data['content']. It is presumed that the chosen layout file for this comanche page // has a '' element instead of a '

'. // This way the Comanche layout can include any existing content, alter the layout by adding stuff around it or changing the // layout completely with a new layout definition, or replace/remove existing content. if ($comanche) { $arr = [ 'module' => App::$module, 'layout' => App::$layout ]; /** * @hooks construct_page * General purpose hook to provide content to certain page regions. * Called when constructing the Comanche page. * * \e string \b module * * \e string \b layout */ call_hooks('construct_page', $arr); App::$layout = $arr['layout']; foreach (App::$layout as $k => $v) { if ((strpos($k, 'region_') === 0) && strlen($v)) { if (strpos($v, '$region_') !== false) { $v = preg_replace_callback('/\$region_([a-zA-Z0-9]+)/ism', [App::$comanche, 'replace_region'], $v); } // And a couple of convenience macros if (strpos($v, '$htmlhead') !== false) { $v = str_replace('$htmlhead', App::$page['htmlhead'], $v); } if (strpos($v, '$nav') !== false) { $v = str_replace('$nav', App::$page['nav'], $v); } if (strpos($v, '$content') !== false) { $v = str_replace('$content', App::$page['content'], $v); } App::$page[substr($k, 7)] = $v; } } } $page = App::$page; // There's some experimental support for right-to-left text in the view/php/default.php page template. // In v1.9 we started providing direction preference in the per language hstrings.php file // This requires somebody with fluency in a RTL language to make happen $page['direction'] = 0; // ((App::$rtl) ? 1 : 0); header("Content-type: text/html; charset=utf-8"); // security headers - see https://securityheaders.io if (App::get_scheme() === 'https' && isset(App::$config['system']['transport_security_header']) && intval(App::$config['system']['transport_security_header']) == 1) header("Strict-Transport-Security: max-age=31536000"); if (isset(App::$config['system']['content_security_policy']) && intval(App::$config['system']['content_security_policy']) == 1) { $cspsettings = [ 'script-src' => ["'self'", "'unsafe-inline'", "'unsafe-eval'"], 'style-src' => ["'self'", "'unsafe-inline'"], 'frame-src' => ["'self'"] ]; call_hooks('content_security_policy', $cspsettings); // Legitimate CSP directives (cxref: https://content-security-policy.com/) $validcspdirectives = [ "default-src", "script-src", "style-src", "img-src", "connect-src", "font-src", "object-src", "media-src", 'frame-src', 'sandbox', 'report-uri', 'child-src', 'form-action', 'frame-ancestors', 'plugin-types' ]; $cspheader = "Content-Security-Policy:"; foreach ($cspsettings as $cspdirective => $csp) { if (!in_array($cspdirective, $validcspdirectives)) { logger("INVALID CSP DIRECTIVE: " . $cspdirective, LOGGER_DEBUG); continue; } $cspsettingsarray = array_unique($cspsettings[$cspdirective]); $cspsetpolicy = implode(' ', $cspsettingsarray); if ($cspsetpolicy) { $cspheader .= " " . $cspdirective . " " . $cspsetpolicy . ";"; } } header($cspheader); } if (isset(App::$config['system']['x_security_headers'])) { header("X-Frame-Options: SAMEORIGIN"); header("X-Xss-Protection: 1; mode=block;"); header("X-Content-Type-Options: nosniff"); } if (isset(App::$config['system']['perm_policy_header']) && App::$config['system']['perm_policy_header']) { header("Permissions-Policy: " . App::$config['system']['perm_policy_header']); } else { // opt-out this site from federated browser surveillance header("Permissions-Policy: interest-cohort=()"); } if (isset(App::$config['system']['public_key_pins'])) { header("Public-Key-Pins: " . App::$config['system']['public_key_pins']); } require_once(theme_include( ((x(App::$page, 'template')) ? App::$page['template'] : 'default') . '.php') ); } /** * @brief Returns appplication root directory. * * @return string */ function appdirpath() { return dirname(__FILE__); } /** * @brief Set a pageicon. * * @param string $icon */ function head_set_icon($icon) { App::$data['pageicon'] = $icon; } /** * @brief Get the pageicon. * * @return string absolut path to pageicon */ function head_get_icon() { $icon = App::$data['pageicon']; if (!strpos($icon, '://')) $icon = z_root() . $icon; return $icon; } /** * @brief Return the Realm of the directory. * * @return string */ function get_directory_realm() { if ($x = Config::Get('system', 'directory_realm')) return $x; return DIRECTORY_REALM; } /** * @brief Return the primary directory server. * * @return string */ function get_directory_primary() { $dirmode = intval(Config::Get('system', 'directory_mode')); if ($dirmode == DIRECTORY_MODE_STANDALONE || $dirmode == DIRECTORY_MODE_PRIMARY) { return z_root(); } if ($x = Config::Get('system', 'directory_primary')) return $x; return DIRECTORY_FALLBACK_MASTER; } /** * @brief Return relative date of last completed poller execution. * * @return string relative date of last completed poller execution */ function get_poller_runtime() { $t = Config::Get('system', 'lastpoll'); return relative_date($t); } function z_get_upload_dir() { $upload_dir = Config::Get('system', 'uploaddir'); if (!$upload_dir) $upload_dir = ini_get('upload_tmp_dir'); if (!$upload_dir) $upload_dir = sys_get_temp_dir(); return $upload_dir; } function z_get_temp_dir() { $temp_dir = Config::Get('system', 'tempdir'); if (!$temp_dir) $temp_dir = sys_get_temp_dir(); return $temp_dir; } /** * @brief Check if server certificate is valid. * * Notify admin if not. */ function z_check_cert() { if (strpos(z_root(), 'https://') !== false) { $x = z_fetch_url(z_root() . '/siteinfo.json'); if (!$x['success']) { $recurse = 0; $y = z_fetch_url(z_root() . '/siteinfo.json', false, $recurse, ['novalidate' => true]); if ($y['success']) cert_bad_email(); } } } /** * @brief Send email to admin if server has an invalid certificate. * * If a hub is available over https it must have a publicly valid certificate. */ function cert_bad_email() { return z_mail( [ 'toEmail' => App::$config['system']['admin_email'], 'messageSubject' => sprintf(t('[$Projectname] Website SSL error for %s'), App::get_hostname()), 'textVersion' => replace_macros(get_intltext_template('cert_bad_eml.tpl'), [ '$sitename' => App::$config['system']['sitename'], '$siteurl' => z_root(), '$error' => t('Website SSL certificate is not valid. Please correct.') ] ) ] ); } function check_for_new_perms() { // Do not execute if we are in the middle of a git update and the relevant versions don't match if (Permissions::version() != PermissionRoles::version()) return; $pregistered = Config::Get('system', 'perms'); $pcurrent = array_keys(Permissions::Perms()); if (!$pregistered) { Config::Set('system', 'perms', $pcurrent); return; } $found_new_perm = false; foreach ($pcurrent as $p) { if (!in_array($p, $pregistered)) { $found_new_perm = true; // for all channels $c = q("select channel_id from channel where true"); if ($c) { foreach ($c as $cc) { // get the permission role $r = q("select v from pconfig where uid = %d and cat = 'system' and k = 'permissions_role'", intval($cc['channel_id']) ); if ($r) { // get a list of connections $x = q("select abook_xchan from abook where abook_channel = %d and abook_self = 0", intval($cc['channel_id']) ); // get the permissions role details $rp = PermissionRoles::role_perms($r[0]['v']); if ($rp) { // for custom permission roles we need to customise how we initiate this new permission if (array_key_exists('role', $rp) && ($rp['role'] === 'custom' || $rp['role'] === '')) { PermissionRoles::new_custom_perms($cc['channel_id'], $p, $x); } else { // set the channel limits if appropriate or 0 if (array_key_exists('limits', $rp) && array_key_exists($p, $rp['limits'])) { PermissionLimits::Set($cc['channel_id'], $p, $rp['limits'][$p]); } else { PermissionLimits::Set($cc['channel_id'], $p, 0); } $set = ((array_key_exists('perms_connect', $rp) && in_array($p, $rp['perms_connect'])) ? 1 : 0); // foreach connection set to the perms_connect value if ($x) { foreach ($x as $xx) { set_abconfig($cc['channel_id'], $xx['abook_xchan'], 'my_perms', $p, intval($set)); } } } } } } } } } // We should probably call perms_refresh here, but this should get pushed in 24 hours and there is no urgency if ($found_new_perm) Config::Set('system', 'perms', $pcurrent); } /** * @brief Send warnings every 3-5 days if cron is not running. */ function check_cron_broken() { $d = Config::Get('system', 'lastcron'); if ((!$d) || ($d < datetime_convert('UTC', 'UTC', 'now - 4 hours'))) { Master::Summon(['Cron']); Config::Set('system', 'lastcron', datetime_convert()); } $t = Config::Get('system', 'lastcroncheck'); if (!$t) { // never checked before. Start the timer. Config::Set('system', 'lastcroncheck', datetime_convert()); return; } if ($t > datetime_convert('UTC', 'UTC', 'now - 3 days')) { // Wait for 3 days before we do anything so as not to swamp the admin with messages return; } Config::Set('system', 'lastcroncheck', datetime_convert()); if (($d) && ($d > datetime_convert('UTC', 'UTC', 'now - 3 days'))) { // Scheduled tasks have run successfully in the last 3 days. return; } return z_mail( [ 'toEmail' => App::$config['system']['admin_email'], 'messageSubject' => sprintf(t('[$Projectname] Cron tasks not running on %s'), App::get_hostname()), 'textVersion' => replace_macros(get_intltext_template('cron_bad_eml.tpl'), [ '$sitename' => App::$config['system']['sitename'], '$siteurl' => z_root(), '$error' => t('Cron/Scheduled tasks not running.'), '$lastdate' => (($d) ? $d : t('never')) ] ) ] ); } /** * @brief * * @param boolean $allow_account (optional) default false * @return boolean */ function observer_prohibited($allow_account = false) { if ($allow_account) { return (((Config::Get('system', 'block_public')) && (!get_account_id()) && (!remote_channel())) ? true : false); } return (((Config::Get('system', 'block_public')) && (!local_channel()) && (!remote_channel())) ? true : false); }