<?php /** @file boot.php * * This file defines some global constants and includes the central App class. */ /** * Friendica * * Friendica is a communications platform for integrated social communications * utilising decentralised communications and linkage to several indie social * projects - as well as popular mainstream providers. * * Our mission is to free our friends and families from the clutches of * data-harvesting corporations, and pave the way to a future where social * communications are free and open and flow between alternate providers as * easily as email does today. */ require_once(__DIR__ . DIRECTORY_SEPARATOR. 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php'); use \Friendica\Core\Config; require_once('include/config.php'); require_once('include/network.php'); require_once('include/plugin.php'); require_once('include/text.php'); require_once('include/datetime.php'); require_once('include/pgettext.php'); require_once('include/nav.php'); require_once('include/cache.php'); require_once('include/features.php'); require_once('include/identity.php'); require_once('update.php'); require_once('include/dbstructure.php'); define ( 'FRIENDICA_PLATFORM', 'Friendica'); define ( 'FRIENDICA_CODENAME', 'Asparagus'); define ( 'FRIENDICA_VERSION', '3.5.2-dev' ); define ( 'DFRN_PROTOCOL_VERSION', '2.23' ); define ( 'DB_UPDATE_VERSION', 1219 ); /** * @brief Constant with a HTML line break. * * Contains a HTML line break (br) element and a real carriage return with line * feed for the source. * This can be used in HTML and JavaScript where needed a line break. */ define ( 'EOL', "<br />\r\n" ); define ( 'ATOM_TIME', 'Y-m-d\TH:i:s\Z' ); /** * @brief 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 * $a->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 ); /** * $a->config['system']['png_quality'] from 0 (uncompressed) to 9 */ define ( 'PNG_QUALITY', 8 ); /** * * 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 * * $a->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 ); /** * Not yet used */ define ( 'DEFAULT_DB_ENGINE', 'MyISAM' ); /** * @name SSL Policy * * SSL redirection policies * @{ */ define ( 'SSL_POLICY_NONE', 0 ); define ( 'SSL_POLICY_FULL', 1 ); define ( 'SSL_POLICY_SELFSIGN', 2 ); /* @}*/ /** * @name Logger * * log levels * @{ */ define ( 'LOGGER_NORMAL', 0 ); define ( 'LOGGER_TRACE', 1 ); define ( 'LOGGER_DEBUG', 2 ); define ( 'LOGGER_DATA', 3 ); define ( 'LOGGER_ALL', 4 ); /* @}*/ /** * @name Cache * * Cache levels * @{ */ define ( 'CACHE_MONTH', 0 ); define ( 'CACHE_WEEK', 1 ); define ( 'CACHE_DAY', 2 ); define ( 'CACHE_HOUR', 3 ); define ( 'CACHE_HALF_HOUR', 4 ); define ( 'CACHE_QUARTER_HOUR', 5 ); define ( 'CACHE_FIVE_MINUTES', 6 ); define ( 'CACHE_MINUTE', 7 ); /* @}*/ /** * @name Register * * Registration policies * @{ */ define ( 'REGISTER_CLOSED', 0 ); define ( 'REGISTER_APPROVE', 1 ); define ( 'REGISTER_OPEN', 2 ); /** @}*/ /** * @name Contact_is * * Relationship types * @{ */ define ( 'CONTACT_IS_FOLLOWER', 1); define ( 'CONTACT_IS_SHARING', 2); define ( 'CONTACT_IS_FRIEND', 3); /** @}*/ /** * @name Update * * DB update return values * @{ */ define ( 'UPDATE_SUCCESS', 0); define ( 'UPDATE_FAILED', 1); /** @}*/ /** * @name page/profile types * * PAGE_NORMAL is a typical personal profile account * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly) * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with * write access to wall and comments (no email and not included in page owner's ACL lists) * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND). * * @{ */ define ( 'PAGE_NORMAL', 0 ); define ( 'PAGE_SOAPBOX', 1 ); define ( 'PAGE_COMMUNITY', 2 ); define ( 'PAGE_FREELOVE', 3 ); define ( 'PAGE_BLOG', 4 ); define ( 'PAGE_PRVGROUP', 5 ); /** @}*/ /** * @name account types * * ACCOUNT_TYPE_PERSON - the account belongs to a person * Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE * * ACCOUNT_TYPE_ORGANISATION - the account belongs to an organisation * Associated page type: PAGE_SOAPBOX * * ACCOUNT_TYPE_NEWS - the account is a news reflector * Associated page type: PAGE_SOAPBOX * * ACCOUNT_TYPE_COMMUNITY - the account is community forum * Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP * @{ */ define ( 'ACCOUNT_TYPE_PERSON', 0 ); define ( 'ACCOUNT_TYPE_ORGANISATION',1 ); define ( 'ACCOUNT_TYPE_NEWS', 2 ); define ( 'ACCOUNT_TYPE_COMMUNITY', 3 ); /** @}*/ /** * @name CP * * Type of the community page * @{ */ define ( 'CP_NO_COMMUNITY_PAGE', -1 ); define ( 'CP_USERS_ON_SERVER', 0 ); define ( 'CP_GLOBAL_COMMUNITY', 1 ); /** @}*/ /** * @name Network * * Network and protocol family types * @{ */ 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_FEED', 'feed'); // RSS/Atom feeds with no known "post/notify" protocol define ( 'NETWORK_DIASPORA', 'dspr'); // Diaspora 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_PUMPIO', 'pump'); // pump.io define ( 'NETWORK_TWITTER', 'twit'); // Twitter define ( 'NETWORK_DIASPORA2', 'dspc'); // Diaspora connector define ( 'NETWORK_STATUSNET', 'stac'); // Statusnet connector define ( 'NETWORK_APPNET', 'apdn'); // app.net define ( 'NETWORK_NEWS', 'nntp'); // Network News Transfer Protocol define ( 'NETWORK_ICALENDAR', 'ical'); // iCalendar define ( 'NETWORK_PNUT', 'pnut'); // pnut.io define ( 'NETWORK_PHANTOM', 'unkn'); // Place holder /** @}*/ /** * These numbers are used in stored permissions * and existing allocations MUST NEVER BE CHANGED * OR RE-ASSIGNED! You may only add to them. */ $netgroup_ids = array( NETWORK_DFRN => (-1), NETWORK_ZOT => (-2), NETWORK_OSTATUS => (-3), NETWORK_FEED => (-4), NETWORK_DIASPORA => (-5), NETWORK_MAIL => (-6), NETWORK_MAIL2 => (-7), NETWORK_FACEBOOK => (-8), NETWORK_LINKEDIN => (-9), NETWORK_XMPP => (-10), NETWORK_MYSPACE => (-11), NETWORK_GPLUS => (-12), NETWORK_PUMPIO => (-13), NETWORK_TWITTER => (-14), NETWORK_DIASPORA2 => (-15), NETWORK_STATUSNET => (-16), NETWORK_APPNET => (-17), NETWORK_NEWS => (-18), NETWORK_ICALENDAR => (-19), NETWORK_PNUT => (-20), NETWORK_PHANTOM => (-127), ); /** * Maximum number of "people who like (or don't like) this" that we will list by name */ define ( 'MAX_LIKERS', 75); /** * Communication timeout */ define ( 'ZCURL_TIMEOUT' , (-1)); /** * @name Notify * * 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_SHARE', 0x0400 ); define ( 'NOTIFY_SYSTEM', 0x8000 ); /* @}*/ /** * @name Term * * 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_CONVERSATION', 7 ); define ( 'TERM_OBJ_POST', 1 ); define ( 'TERM_OBJ_PHOTO', 2 ); /** * @name Namespaces * * Various namespaces we may need to parse * @{ */ 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' ); /* @}*/ /** * @name Activity * * Activity stream defines * @{ */ define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' ); define ( 'ACTIVITY_DISLIKE', NAMESPACE_DFRN . '/dislike' ); define ( 'ACTIVITY_ATTEND', NAMESPACE_ZOT . '/activity/attendyes' ); define ( 'ACTIVITY_ATTENDNO', NAMESPACE_ZOT . '/activity/attendno' ); define ( 'ACTIVITY_ATTENDMAYBE', NAMESPACE_ZOT . '/activity/attendmaybe' ); define ( 'ACTIVITY_OBJ_HEART', NAMESPACE_DFRN . '/heart' ); define ( 'ACTIVITY_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' ); define ( 'ACTIVITY_REQ_FRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' ); define ( 'ACTIVITY_UNFRIEND', NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' ); define ( 'ACTIVITY_FOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'follow' ); define ( 'ACTIVITY_UNFOLLOW', NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' ); define ( 'ACTIVITY_JOIN', NAMESPACE_ACTIVITY_SCHEMA . 'join' ); define ( 'ACTIVITY_POST', NAMESPACE_ACTIVITY_SCHEMA . 'post' ); define ( 'ACTIVITY_UPDATE', NAMESPACE_ACTIVITY_SCHEMA . 'update' ); define ( 'ACTIVITY_TAG', NAMESPACE_ACTIVITY_SCHEMA . 'tag' ); define ( 'ACTIVITY_FAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'favorite' ); define ( 'ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share' ); define ( 'ACTIVITY_DELETE', NAMESPACE_ACTIVITY_SCHEMA . 'delete' ); define ( 'ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke' ); define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' ); define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' ); define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' ); define ( 'ACTIVITY_OBJ_NOTE', NAMESPACE_ACTIVITY_SCHEMA . 'note' ); define ( 'ACTIVITY_OBJ_PERSON', NAMESPACE_ACTIVITY_SCHEMA . 'person' ); define ( 'ACTIVITY_OBJ_IMAGE', NAMESPACE_ACTIVITY_SCHEMA . 'image' ); define ( 'ACTIVITY_OBJ_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' ); define ( 'ACTIVITY_OBJ_VIDEO', NAMESPACE_ACTIVITY_SCHEMA . 'video' ); define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' ); define ( 'ACTIVITY_OBJ_ALBUM', NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' ); define ( 'ACTIVITY_OBJ_EVENT', NAMESPACE_ACTIVITY_SCHEMA . 'event' ); define ( 'ACTIVITY_OBJ_GROUP', NAMESPACE_ACTIVITY_SCHEMA . 'group' ); define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN . '/tagterm' ); define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN . '/profile' ); define ( 'ACTIVITY_OBJ_QUESTION', 'http://activityschema.org/object/question' ); /* @}*/ /** * @name Gravity * * Item weight for query ordering * @{ */ define ( 'GRAVITY_PARENT', 0); define ( 'GRAVITY_LIKE', 3); define ( 'GRAVITY_COMMENT', 6); /* @}*/ /** * @name Priority * * Process priority for the worker * @{ */ define('PRIORITY_UNDEFINED', 0); define('PRIORITY_CRITICAL', 10); define('PRIORITY_HIGH', 20); define('PRIORITY_MEDIUM', 30); define('PRIORITY_LOW', 40); define('PRIORITY_NEGLIGIBLE',50); /* @}*/ /** * @name Social Relay settings * * See here: https://github.com/jaywink/social-relay * and here: https://wiki.diasporafoundation.org/Relay_servers_for_public_posts * @{ */ define('SR_SCOPE_NONE', ''); define('SR_SCOPE_ALL', 'all'); define('SR_SCOPE_TAGS', 'tags'); /* @}*/ /** * Lowest possible date time value */ define ('NULL_DATE', '0001-01-01 00:00:00'); // Normally this constant is defined - but not if "pcntl" isn't installed if (!defined("SIGTERM")) { define("SIGTERM", 15); } /** * * Reverse the effect of magic_quotes_gpc if it is enabled. * Please disable magic_quotes_gpc so we don't have to do this. * See http://php.net/manual/en/security.magicquotes.disabling.php * */ function startup() { error_reporting(E_ERROR | E_WARNING | E_PARSE); set_time_limit(0); // This has to be quite large to deal with embedded private photos ini_set('pcre.backtrack_limit', 500000); if (get_magic_quotes_gpc()) { $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST); while (list($key, $val) = each($process)) { foreach ($val as $k => $v) { unset($process[$key][$k]); if (is_array($v)) { $process[$key][stripslashes($k)] = $v; $process[] = &$process[$key][stripslashes($k)]; } else { $process[$key][stripslashes($k)] = stripslashes($v); } } } unset($process); } } /** * * 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 { /// @TODO decide indending as a colorful mixure is ahead ... public $module_loaded = false; public $query_string; public $config; public $page; public $profile; public $profile_uid; public $user; public $cid; public $contact; public $contacts; public $page_contact; public $content; public $data = array(); public $error = false; public $cmd; public $argv; public $argc; public $module; public $pager; public $strings; public $path; public $hooks; public $timezone; public $interactive = true; public $plugins; public $apps = array(); public $identities; public $is_mobile = false; public $is_tablet = false; public $is_friendica_app; public $performance = array(); public $callstack = array(); public $theme_info = array(); public $backend = true; public $nav_sel; public $category; // Allow themes to control internal parameters // by changing App values in theme.php public $sourcename = ''; public $videowidth = 425; public $videoheight = 350; public $force_max_items = 0; public $theme_thread_allow = true; public $theme_events_in_profile = true; /** * @brief An array for all theme-controllable parameters * * Mostly unimplemented yet. Only options 'template_engine' and * beyond are used. */ public $theme = array( '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 $template_engines = array(); /** * @brief An array of instanced template engines ('name'=>'instance') */ public $template_engine_instance = array(); public $process_id; private $ldelim = array( 'internal' => '', 'smarty3' => '{{' ); private $rdelim = array( 'internal' => '', 'smarty3' => '}}' ); private $scheme; private $hostname; private $db; private $curl_code; private $curl_content_type; private $curl_headers; private $cached_profile_image; private $cached_profile_picdate; private static $a; /** * @brief App constructor. */ function __construct() { global $default_timezone; $hostname = ""; if (file_exists(".htpreconfig.php")) { include ".htpreconfig.php"; } $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC'); date_default_timezone_set($this->timezone); $this->performance["start"] = microtime(true); $this->performance["database"] = 0; $this->performance["database_write"] = 0; $this->performance["network"] = 0; $this->performance["file"] = 0; $this->performance["rendering"] = 0; $this->performance["parser"] = 0; $this->performance["marktime"] = 0; $this->performance["markstart"] = microtime(true); $this->callstack["database"] = array(); $this->callstack["database_write"] = array(); $this->callstack["network"] = array(); $this->callstack["file"] = array(); $this->callstack["rendering"] = array(); $this->callstack["parser"] = array(); $this->config = array(); $this->page = array(); $this->pager= array(); $this->query_string = ''; $this->process_id = uniqid("log", true); startup(); set_include_path( get_include_path() . PATH_SEPARATOR . 'include' . PATH_SEPARATOR . 'library' . PATH_SEPARATOR . 'library/langdet' . PATH_SEPARATOR . '.' ); $this->scheme = 'http'; if ((x($_SERVER, 'HTTPS') && $_SERVER['HTTPS']) || (x($_SERVER, 'HTTP_FORWARDED') && preg_match("/proto=https/", $_SERVER['HTTP_FORWARDED'])) || (x($_SERVER, 'HTTP_X_FORWARDED_PROTO') && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') || (x($_SERVER, 'HTTP_X_FORWARDED_SSL') && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') || (x($_SERVER, 'FRONT_END_HTTPS') && $_SERVER['FRONT_END_HTTPS'] == 'on') || (x($_SERVER, 'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443)) // XXX: reasonable assumption, but isn't this hardcoding too much? ) { $this->scheme = 'https'; } if (x($_SERVER, 'SERVER_NAME')) { $this->hostname = $_SERVER['SERVER_NAME']; if (x($_SERVER, 'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443) { $this->hostname .= ':' . $_SERVER['SERVER_PORT']; } /* * Figure out if we are running at the top of a domain * or in a sub-directory and adjust accordingly */ /// @TODO This kind of escaping breaks syntax-highlightning on CoolEdit (Midnight Commander) $path = trim(dirname($_SERVER['SCRIPT_NAME']), '/\\'); if (isset($path) && strlen($path) && ($path != $this->path)) { $this->path = $path; } } if ($hostname != "") { $this->hostname = $hostname; } if (is_array($_SERVER["argv"]) && $_SERVER["argc"] > 1 && substr(end($_SERVER["argv"]), 0, 4) == "http" ) { $this->set_baseurl(array_pop($_SERVER["argv"])); $_SERVER["argc"] --; } if ((x($_SERVER, 'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'], 0, 9) === "pagename=") { $this->query_string = substr($_SERVER['QUERY_STRING'], 9); // removing trailing / - maybe a nginx problem $this->query_string = ltrim($this->query_string, '/'); } elseif ((x($_SERVER, 'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'], 0, 2) === "q=") { $this->query_string = substr($_SERVER['QUERY_STRING'], 2); // removing trailing / - maybe a nginx problem $this->query_string = ltrim($this->query_string, '/'); } if (x($_GET, 'pagename')) { $this->cmd = trim($_GET['pagename'], '/\\'); } elseif (x($_GET, 'q')) { $this->cmd = trim($_GET['q'], '/\\'); } // fix query_string $this->query_string = str_replace($this->cmd . "&", $this->cmd . "?", $this->query_string); // unix style "homedir" if (substr($this->cmd, 0, 1) === '~') { $this->cmd = 'profile/' . substr($this->cmd, 1); } // Diaspora style profile url if (substr($this->cmd, 0, 2) === 'u/') { $this->cmd = 'profile/' . substr($this->cmd, 2); } /* * Break the URL path into C style argc/argv style arguments for our * modules. Given "http://example.com/module/arg1/arg2", $this->argc * will be 3 (integer) and $this->argv will contain: * [0] => 'module' * [1] => 'arg1' * [2] => 'arg2' * * * There will always be one argument. If provided a naked domain * URL, $this->argv[0] is set to "home". */ $this->argv = explode('/', $this->cmd); $this->argc = count($this->argv); if ((array_key_exists('0', $this->argv)) && strlen($this->argv[0])) { $this->module = str_replace(".", "_", $this->argv[0]); $this->module = str_replace("-", "_", $this->module); } else { $this->argc = 1; $this->argv = array('home'); $this->module = 'home'; } /* * See if there is any page number information, and initialise * pagination */ $this->pager['page'] = ((x($_GET, 'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1); $this->pager['itemspage'] = 50; $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage']; if ($this->pager['start'] < 0) { $this->pager['start'] = 0; } $this->pager['total'] = 0; /* * Detect mobile devices */ $mobile_detect = new Mobile_Detect(); $this->is_mobile = $mobile_detect->isMobile(); $this->is_tablet = $mobile_detect->isTablet(); // Friendica-Client $this->is_friendica_app = ($_SERVER['HTTP_USER_AGENT'] == "Apache-HttpClient/UNAVAILABLE (java 1.4)"); /* * register template engines */ $dc = get_declared_classes(); foreach ($dc as $k) { if (in_array("ITemplateEngine", class_implements($k))){ $this->register_template_engine($k); } } self::$a = $this; } public static function get_basepath() { $basepath = get_config("system", "basepath"); if ($basepath == "") { $basepath = dirname(__FILE__); } if ($basepath == "") { $basepath = $_SERVER["DOCUMENT_ROOT"]; } if ($basepath == "") { $basepath = $_SERVER["PWD"]; } return $basepath; } function get_scheme() { return $this->scheme; } /** * @brief Retrieves the Friendica instance base URL * * This function assembles the base URL from multiple parts: * - Protocol is determined either by the request or a combination of * system.ssl_policy and the $ssl parameter. * - Host name is determined either by system.hostname or inferred from request * - Path is inferred from SCRIPT_NAME * * Note: $ssl parameter value doesn't directly correlate with the resulting protocol * * @param bool $ssl Whether to append http or https under SSL_POLICY_SELFSIGN * @return string Friendica server base URL */ function get_baseurl($ssl = false) { // Is the function called statically? if (!(isset($this) && get_class($this) == __CLASS__)) { return self::$a->get_baseurl($ssl); } $scheme = $this->scheme; if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) { $scheme = 'https'; } // Basically, we have $ssl = true on any links which can only be seen by a logged in user // (and also the login link). Anything seen by an outsider will have it turned off. if (Config::get('system', 'ssl_policy') == SSL_POLICY_SELFSIGN) { if ($ssl) { $scheme = 'https'; } else { $scheme = 'http'; } } if (Config::get('config', 'hostname') != '') { $this->hostname = Config::get('config', 'hostname'); } return $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' ); } /** * @brief Initializes the baseurl components * * Clears the baseurl cache to prevent inconstistencies * * @param string $url */ function set_baseurl($url) { $parsed = @parse_url($url); if ($parsed) { $this->scheme = $parsed['scheme']; $hostname = $parsed['host']; if (x($parsed, 'port')) { $hostname .= ':' . $parsed['port']; } if (x($parsed, 'path')) { $this->path = trim($parsed['path'], '\\/'); } if (file_exists(".htpreconfig.php")) { include ".htpreconfig.php"; } if (get_config('config', 'hostname') != '') { $this->hostname = get_config('config', 'hostname'); } if (!isset($this->hostname) OR ($this->hostname == '')) { $this->hostname = $hostname; } } } function get_hostname() { if (get_config('config', 'hostname') != "") { $this->hostname = get_config('config', 'hostname'); } return $this->hostname; } function set_hostname($h) { $this->hostname = $h; } function set_path($p) { $this->path = trim(trim($p), '/'); } function get_path() { return $this->path; } function set_pager_total($n) { $this->pager['total'] = intval($n); } function set_pager_itemspage($n) { $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0); $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage']; } function set_pager_page($n) { $this->pager['page'] = $n; $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage']; } function init_pagehead() { $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000); // If the update is "deactivated" set it to the highest integer number (~24 days) if ($interval < 0) { $interval = 2147483647; } if ($interval < 10000) { $interval = 40000; } // compose the page title from the sitename and the // current module called if (!$this->module == '') { $this->page['title'] = $this->config['sitename'] . ' (' . $this->module . ')'; } else { $this->page['title'] = $this->config['sitename']; } /* put the head template at the beginning of page['htmlhead'] * since the code added by the modules frequently depends on it * being first */ if (!isset($this->page['htmlhead'])) { $this->page['htmlhead'] = ''; } // If we're using Smarty, then doing replace_macros() will replace // any unrecognized variables with a blank string. Since we delay // replacing $stylesheet until later, we need to replace it now // with another variable name if ($this->theme['template_engine'] === 'smarty3') { $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3'); } else { $stylesheet = '$stylesheet'; } $shortcut_icon = get_config("system", "shortcut_icon"); if ($shortcut_icon == "") { $shortcut_icon = "images/friendica-32.png"; } $touch_icon = get_config("system", "touch_icon"); if ($touch_icon == "") { $touch_icon = "images/friendica-128.png"; } // get data wich is needed for infinite scroll on the network page $invinite_scroll = infinite_scroll_data($this->module); $tpl = get_markup_template('head.tpl'); $this->page['htmlhead'] = replace_macros($tpl,array( '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!! '$local_user' => local_user(), '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION, '$delitem' => t('Delete this item?'), '$showmore' => t('show more'), '$showfewer' => t('show fewer'), '$update_interval' => $interval, '$shortcut_icon' => $shortcut_icon, '$touch_icon' => $touch_icon, '$stylesheet' => $stylesheet, '$infinite_scroll' => $invinite_scroll, )) . $this->page['htmlhead']; } function init_page_end() { if (!isset($this->page['end'])) { $this->page['end'] = ''; } $tpl = get_markup_template('end.tpl'); $this->page['end'] = replace_macros($tpl,array( '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!! )) . $this->page['end']; } function set_curl_code($code) { $this->curl_code = $code; } function get_curl_code() { return $this->curl_code; } function set_curl_content_type($content_type) { $this->curl_content_type = $content_type; } function get_curl_content_type() { return $this->curl_content_type; } function set_curl_headers($headers) { $this->curl_headers = $headers; } function get_curl_headers() { return $this->curl_headers; } function get_cached_avatar_image($avatar_image){ return $avatar_image; } /** * @brief Removes the baseurl from an url. This avoids some mixed content problems. * * @param string $orig_url * * @return string The cleaned url */ function remove_baseurl($orig_url){ // Is the function called statically? if (!(isset($this) && get_class($this) == __CLASS__)) { return self::$a->remove_baseurl($orig_url); } // Remove the hostname from the url if it is an internal link $nurl = normalise_link($orig_url); $base = normalise_link($this->get_baseurl()); $url = str_replace($base."/", "", $nurl); // if it is an external link return the orignal value if ($url == normalise_link($orig_url)) { return $orig_url; } else { return $url; } } /** * @brief Register template engine class * * If $name is "", is used class static property $class::$name * * @param string $class * @param string $name */ function register_template_engine($class, $name = '') { /// @TODO Really === and not just == ? if ($name === "") { $v = get_class_vars( $class ); if (x($v,"name")) $name = $v['name']; } if ($name === "") { echo "template engine <tt>$class</tt> cannot be registered without a name.\n"; killme(); } $this->template_engines[$name] = $class; } /** * @brief Return template engine instance. * * If $name is not defined, return engine defined by theme, * or default * * @param strin $name Template engine name * @return object Template Engine instance */ function template_engine($name = '') { /// @TODO really type-check included? if ($name !== "") { $template_engine = $name; } else { $template_engine = 'smarty3'; if (x($this->theme, 'template_engine')) { $template_engine = $this->theme['template_engine']; } } if (isset($this->template_engines[$template_engine])){ if (isset($this->template_engine_instance[$template_engine])){ return $this->template_engine_instance[$template_engine]; } else { $class = $this->template_engines[$template_engine]; $obj = new $class; $this->template_engine_instance[$template_engine] = $obj; return $obj; } } echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme(); } /** * @brief Returns the active template engine. * * @return string */ function get_template_engine() { return $this->theme['template_engine']; } function set_template_engine($engine = 'smarty3') { $this->theme['template_engine'] = $engine; } function get_template_ldelim($engine = 'smarty3') { return $this->ldelim[$engine]; } function get_template_rdelim($engine = 'smarty3') { return $this->rdelim[$engine]; } function save_timestamp($stamp, $value) { if (!isset($this->config['system']['profiler']) || !$this->config['system']['profiler']) { return; } $duration = (float)(microtime(true)-$stamp); if (!isset($this->performance[$value])) { // Prevent ugly E_NOTICE $this->performance[$value] = 0; } $this->performance[$value] += (float)$duration; $this->performance["marktime"] += (float)$duration; $callstack = $this->callstack(); if (!isset($this->callstack[$value][$callstack])) { // Prevent ugly E_NOTICE $this->callstack[$value][$callstack] = 0; } $this->callstack[$value][$callstack] += (float)$duration; } /** * @brief Log active processes into the "process" table */ function start_process() { $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1); $command = basename($trace[0]["file"]); $this->remove_inactive_processes(); q("START TRANSACTION"); $r = q("SELECT `pid` FROM `process` WHERE `pid` = %d", intval(getmypid())); if (!dbm::is_result($r)) { q("INSERT INTO `process` (`pid`,`command`,`created`) VALUES (%d, '%s', '%s')", intval(getmypid()), dbesc($command), dbesc(datetime_convert())); } q("COMMIT"); } /** * @brief Remove inactive processes */ function remove_inactive_processes() { q("START TRANSACTION"); $r = q("SELECT `pid` FROM `process`"); if (dbm::is_result($r)) { foreach ($r AS $process) { if (!posix_kill($process["pid"], 0)) { q("DELETE FROM `process` WHERE `pid` = %d", intval($process["pid"])); } } } q("COMMIT"); } /** * @brief Remove the active process from the "process" table */ function end_process() { q("DELETE FROM `process` WHERE `pid` = %d", intval(getmypid())); } /** * @brief Returns a string with a callstack. Can be used for logging. * * @return string */ function callstack() { $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 6); // We remove the first two items from the list since they contain data that we don't need. array_shift($trace); array_shift($trace); $callstack = array(); foreach ($trace AS $func) { $callstack[] = $func["function"]; } return implode(", ", $callstack); } function get_useragent() { return FRIENDICA_PLATFORM . " '" . FRIENDICA_CODENAME . "' " . FRIENDICA_VERSION . "-" . DB_UPDATE_VERSION . "; " . $this->get_baseurl(); } function is_friendica_app() { return $this->is_friendica_app; } /** * @brief Checks if the site is called via a backend process * * This isn't a perfect solution. But we need this check very early. * So we cannot wait until the modules are loaded. * * @return bool Is it a known backend? */ function is_backend() { static $backends = array(); $backends[] = "_well_known"; $backends[] = "api"; $backends[] = "dfrn_notify"; $backends[] = "fetch"; $backends[] = "hcard"; $backends[] = "hostxrd"; $backends[] = "nodeinfo"; $backends[] = "noscrape"; $backends[] = "p"; $backends[] = "poco"; $backends[] = "post"; $backends[] = "proxy"; $backends[] = "pubsub"; $backends[] = "pubsubhubbub"; $backends[] = "receive"; $backends[] = "rsd_xml"; $backends[] = "salmon"; $backends[] = "statistics_json"; $backends[] = "xrd"; // Check if current module is in backend or backend flag is set return (in_array($this->module, $backends) || $this->backend); } /** * @brief Checks if the maximum number of database processes is reached * * @return bool Is the limit reached? */ function max_processes_reached() { if ($this->is_backend()) { $process = "backend"; $max_processes = get_config('system', 'max_processes_backend'); if (intval($max_processes) == 0) { $max_processes = 5; } } else { $process = "frontend"; $max_processes = get_config('system', 'max_processes_frontend'); if (intval($max_processes) == 0) { $max_processes = 20; } } $processlist = dbm::processlist(); if ($processlist["list"] != "") { logger("Processcheck: Processes: ".$processlist["amount"]." - Processlist: ".$processlist["list"], LOGGER_DEBUG); if ($processlist["amount"] > $max_processes) { logger("Processcheck: Maximum number of processes for ".$process." tasks (".$max_processes.") reached.", LOGGER_DEBUG); return true; } } return false; } /** * @brief Checks if the maximum load is reached * * @return bool Is the load reached? */ function maxload_reached() { if ($this->is_backend()) { $process = "backend"; $maxsysload = intval(get_config('system', 'maxloadavg')); if ($maxsysload < 1) { $maxsysload = 50; } } else { $process = "frontend"; $maxsysload = intval(get_config('system','maxloadavg_frontend')); if ($maxsysload < 1) { $maxsysload = 50; } } $load = current_load(); if ($load) { if (intval($load) > $maxsysload) { logger('system: load '.$load.' for '.$process.' tasks ('.$maxsysload.') too high.'); return true; } } return false; } function proc_run($args) { if (!function_exists("proc_open")) { return; } // If the last worker fork was less than 10 seconds before then don't fork another one. // This should prevent the forking of masses of workers. $cachekey = "app:proc_run:started"; $result = Cache::get($cachekey); if (!is_null($result) AND (time() - $result) < 10) { return; } // Set the timestamp of the last proc_run Cache::set($cachekey, time(), CACHE_MINUTE); array_unshift($args, ((x($this->config,'php_path')) && (strlen($this->config['php_path'])) ? $this->config['php_path'] : 'php')); // add baseurl to args. cli scripts can't construct it $args[] = $this->get_baseurl(); for ($x = 0; $x < count($args); $x ++) { $args[$x] = escapeshellarg($args[$x]); } $cmdline = implode($args, " "); if (get_config('system', 'proc_windows')) { $resource = proc_open('cmd /c start /b ' . $cmdline, array(), $foo, dirname(__FILE__)); } else { $resource = proc_open($cmdline . " &", array(), $foo, dirname(__FILE__)); } if (!is_resource($resource)) { logger('We got no resource for command '.$cmdline, LOGGER_DEBUG); return; } proc_close($resource); } /** * @brief Returns the system user that is executing the script * * This mostly returns something like "www-data". * * @return string system username */ static function systemuser() { if (!function_exists('posix_getpwuid') OR !function_exists('posix_geteuid')) { return ''; } $processUser = posix_getpwuid(posix_geteuid()); return $processUser['name']; } /** * @brief Checks if a given directory is usable for the system * * @return boolean the directory is usable */ static function directory_usable($directory) { if ($directory == '') { logger("Directory is empty. This shouldn't happen.", LOGGER_DEBUG); return false; } if (!file_exists($directory)) { logger('Path "'.$directory.'" does not exist for user '.self::systemuser(), LOGGER_DEBUG); return false; } if (is_file($directory)) { logger('Path "'.$directory.'" is a file for user '.self::systemuser(), LOGGER_DEBUG); return false; } if (!is_dir($directory)) { logger('Path "'.$directory.'" is not a directory for user '.self::systemuser(), LOGGER_DEBUG); return false; } if (!is_writable($directory)) { logger('Path "'.$directory.'" is not writable for user '.self::systemuser(), LOGGER_DEBUG); return false; } return true; } } /** * @brief Retrieve the App structure * * Useful in functions which require it but don't get it passed to them */ function get_app() { global $a; return $a; } /** * @brief Multi-purpose function to check variable state. * * Usage: x($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. */ function system_unavailable() { include('system_unavailable.php'); system_down(); killme(); } function clean_urls() { $a = get_app(); return true; } function z_path() { $base = App::get_baseurl(); if (! clean_urls()) { $base .= '/?q='; } return $base; } /** * @brief Returns the baseurl. * * @see App::get_baseurl() * * @return string * @TODO Maybe super-flous and deprecated? Seems to only wrap App::get_baseurl() */ function z_root() { return App::get_baseurl(); } /** * @brief Return absolut URL for given $path. * * @param string $path * * @return string */ function absurl($path) { if (strpos($path,'/') === 0) { return z_path() . $path; } return $path; } /** * @brief Function to check if request was an AJAX (xmlhttprequest) request. * * @return boolean */ function is_ajax() { return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest'); } function check_db() { $build = get_config('system','build'); if (! x($build)) { set_config('system','build',DB_UPDATE_VERSION); $build = DB_UPDATE_VERSION; } if ($build != DB_UPDATE_VERSION) { proc_run(PRIORITY_CRITICAL, 'include/dbupdate.php'); } } /** * Sets the base url for use in cmdline programs which don't have * $_SERVER variables */ function check_url(App $a) { $url = get_config('system','url'); // if the url isn't set or the stored url is radically different // than the currently visited url, store the current value accordingly. // "Radically different" ignores common variations such as http vs https // and www.example.com vs example.com. // We will only change the url to an ip address if there is no existing setting if (! x($url)) { $url = set_config('system','url',App::get_baseurl()); } if ((! link_compare($url,App::get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname))) { $url = set_config('system','url',App::get_baseurl()); } return; } /** * @brief Automatic database updates */ function update_db(App $a) { $build = get_config('system','build'); if (! x($build)) { $build = set_config('system','build',DB_UPDATE_VERSION); } if ($build != DB_UPDATE_VERSION) { $stored = intval($build); $current = intval(DB_UPDATE_VERSION); if ($stored < $current) { Config::load('database'); // We're reporting a different version than what is currently installed. // Run any existing update scripts to bring the database up to current. // make sure that boot.php and update.php are the same release, we might be // updating right this very second and the correct version of the update.php // file may not be here yet. This can happen on a very busy site. if (DB_UPDATE_VERSION == UPDATE_VERSION) { // Compare the current structure with the defined structure $t = get_config('database','dbupdate_'.DB_UPDATE_VERSION); if ($t !== false) { return; } set_config('database','dbupdate_'.DB_UPDATE_VERSION, time()); // run old update routine (wich could modify the schema and // conflits with new routine) for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) { $r = run_update_function($x); if (!$r) { break; } } if ($stored < NEW_UPDATE_ROUTINE_VERSION) { $stored = NEW_UPDATE_ROUTINE_VERSION; } // run new update routine // it update the structure in one call $retval = update_structure(false, true); if ($retval) { update_fail( DB_UPDATE_VERSION, $retval ); return; } else { set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success'); } // run any left update_nnnn functions in update.php for ($x = $stored; $x < $current; $x ++) { $r = run_update_function($x); if (!$r) { break; } } } } } return; } function run_update_function($x) { if (function_exists('update_' . $x)) { // There could be a lot of processes running or about to run. // We want exactly one process to run the update command. // So store the fact that we're taking responsibility // after first checking to see if somebody else already has. // If the update fails or times-out completely you may need to // delete the config entry to try again. $t = get_config('database','update_' . $x); if ($t !== false) { return false; } set_config('database','update_' . $x, time()); // call the specific update $func = 'update_' . $x; $retval = $func(); if ($retval) { //send the administrator an e-mail update_fail( $x, sprintf(t('Update %s failed. See error logs.'), $x) ); return false; } else { set_config('database','update_' . $x, 'success'); set_config('system','build', $x + 1); return true; } } else { set_config('database','update_' . $x, 'success'); set_config('system','build', $x + 1); return true; } return true; } /** * @brief Synchronise plugins: * * $a->config['system']['addon'] contains a comma-separated list of names * of plugins/addons which are used on this system. * Go through the database list of already installed addons, and if we have * an entry, but it isn't in the config list, call the uninstall procedure * and mark it uninstalled in the database (for now we'll remove it). * Then go through the config list and if we have a plugin that isn't installed, * call the install procedure and add it to the database. * * @param App $a * */ function check_plugins(App $a) { $r = q("SELECT * FROM `addon` WHERE `installed` = 1"); if (dbm::is_result($r)) { $installed = $r; } else { $installed = array(); } $plugins = get_config('system','addon'); $plugins_arr = array(); if ($plugins) { $plugins_arr = explode(',',str_replace(' ', '',$plugins)); } $a->plugins = $plugins_arr; $installed_arr = array(); if (count($installed)) { foreach ($installed as $i) { if (! in_array($i['name'],$plugins_arr)) { uninstall_plugin($i['name']); } else { $installed_arr[] = $i['name']; } } } if (count($plugins_arr)) { foreach ($plugins_arr as $p) { if (! in_array($p,$installed_arr)) { install_plugin($p); } } } load_hooks(); return; } function get_guid($size=16, $prefix = "") { if ($prefix == "") { $a = get_app(); $prefix = hash("crc32", $a->get_hostname()); } while (strlen($prefix) < ($size - 13)) { $prefix .= mt_rand(); } if ($size >= 24) { $prefix = substr($prefix, 0, $size - 22); return(str_replace(".", "", uniqid($prefix, true))); } else { $prefix = substr($prefix, 0, max($size - 13, 0)); return(uniqid($prefix)); } } /** * @brief Wrapper for adding a login box. * * @param bool $register * If $register == true provide a registration link. * This will most always depend on the value of $a->config['register_policy']. * @param bool $hiddens * * @return string * Returns the complete html for inserting into the page * * @hooks 'login_hook' * string $o */ function login($register = false, $hiddens=false) { $a = get_app(); $o = ""; $reg = false; if ($register) { $reg = array( 'title' => t('Create a New Account'), 'desc' => t('Register') ); } $noid = get_config('system','no_openid'); $dest_url = $a->query_string; if (local_user()) { $tpl = get_markup_template("logout.tpl"); } else { $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array( '$baseurl' => $a->get_baseurl(true) )); $tpl = get_markup_template("login.tpl"); $_SESSION['return_url'] = $a->query_string; $a->module = 'login'; } $o .= replace_macros($tpl, array( '$dest_url' => $dest_url, '$logout' => t('Logout'), '$login' => t('Login'), '$lname' => array('username', t('Nickname or Email: ') , '', ''), '$lpassword' => array('password', t('Password: '), '', ''), '$lremember' => array('remember', t('Remember me'), 0, ''), '$openid' => !$noid, '$lopenid' => array('openid_url', t('Or login using OpenID: '),'',''), '$hiddens' => $hiddens, '$register' => $reg, '$lostpass' => t('Forgot your password?'), '$lostlink' => t('Password Reset'), '$tostitle' => t('Website Terms of Service'), '$toslink' => t('terms of service'), '$privacytitle' => t('Website Privacy Policy'), '$privacylink' => t('privacy policy'), )); call_hooks('login_hook',$o); return $o; } /** * @brief Used to end the current process, after saving session state. */ function killme() { if (!get_app()->is_backend()) { session_write_close(); } exit(); } /** * @brief Redirect to another URL and terminate this process. */ function goaway($s) { if (!strstr(normalise_link($s), "http://")) { $s = App::get_baseurl()."/".$s; } header("Location: $s"); killme(); } /** * @brief Returns the user id of locally logged in user or false. * * @return int|bool user id or false */ function local_user() { if (x($_SESSION, 'authenticated') && x($_SESSION, 'uid')) { return intval($_SESSION['uid']); } return false; } /** * @brief Returns the public contact id of logged in user or false. * * @return int|bool public contact id or false */ function public_contact() { static $public_contact_id = false; if (!$public_contact_id && x($_SESSION, 'authenticated')) { if (x($_SESSION, 'my_address')) { // Local user $public_contact_id = intval(get_contact($_SESSION['my_address'], 0)); } elseif (x($_SESSION, 'visitor_home')) { // Remote user $public_contact_id = intval(get_contact($_SESSION['visitor_home'], 0)); } } elseif (!x($_SESSION, 'authenticated')) { $public_contact_id = false; } return $public_contact_id; } /** * @brief Returns contact id of authenticated site visitor or false * * @return int|bool visitor_id or false */ function remote_user() { if ((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id'))) { return intval($_SESSION['visitor_id']); } return false; } /** * @brief Show an error message to user. * * This function save text in session, to be shown to the user at next page load * * @param string $s - Text of notice */ function notice($s) { $a = get_app(); if (! x($_SESSION,'sysmsg')) { $_SESSION['sysmsg'] = array(); } if ($a->interactive) { $_SESSION['sysmsg'][] = $s; } } /** * @brief Show an info message to user. * * This function save text in session, to be shown to the user at next page load * * @param string $s - Text of notice */ function info($s) { $a = get_app(); if (local_user() AND get_pconfig(local_user(),'system','ignore_info')) { return; } if (! x($_SESSION,'sysmsg_info')) { $_SESSION['sysmsg_info'] = array(); } if ($a->interactive) { $_SESSION['sysmsg_info'][] = $s; } } /** * @brief Wrapper around config to limit the text length of an incoming message * * @return int */ function get_max_import_size() { $a = get_app(); return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 ); } /** * @brief Wrap calls to proc_close(proc_open()) and call hook * so plugins can take part in process :) * * @param (integer|array) priority or parameter array, $cmd atrings are deprecated and are ignored * * next args are passed as $cmd command line * or: proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id); * or: proc_run(array('priority' => PRIORITY_HIGH, 'dont_fork' => true), "include/create_shadowentry.php", $post_id); * * @note $cmd and string args are surrounded with "" * * @hooks 'proc_run' * array $arr */ function proc_run($cmd){ $a = get_app(); $proc_args = func_get_args(); $args = array(); if (!count($proc_args)) { return; } // Preserve the first parameter // It could contain a command, the priority or an parameter array // If we use the parameter array we have to protect it from the following function $run_parameter = array_shift($proc_args); // expand any arrays foreach ($proc_args as $arg) { if (is_array($arg)) { foreach ($arg as $n) { $args[] = $n; } } else { $args[] = $arg; } } // Now we add the run parameters back to the array array_unshift($args, $run_parameter); $arr = array('args' => $args, 'run_cmd' => true); call_hooks("proc_run", $arr); if (!$arr['run_cmd'] OR !count($args)) { return; } $priority = PRIORITY_MEDIUM; $dont_fork = get_config("system", "worker_dont_fork"); if (is_int($run_parameter)) { $priority = $run_parameter; } elseif (is_array($run_parameter)) { if (isset($run_parameter['priority'])) { $priority = $run_parameter['priority']; } if (isset($run_parameter['dont_fork'])) { $dont_fork = $run_parameter['dont_fork']; } } $argv = $args; array_shift($argv); $parameters = json_encode($argv); $found = q("SELECT `id` FROM `workerqueue` WHERE `parameter` = '%s'", dbesc($parameters)); if (!dbm::is_result($found)) { q("INSERT INTO `workerqueue` (`parameter`, `created`, `priority`) VALUES ('%s', '%s', %d)", dbesc($parameters), dbesc(datetime_convert()), intval($priority)); } // Should we quit and wait for the poller to be called as a cronjob? if ($dont_fork) { return; } // Checking number of workers $workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` > '%s'", dbesc(NULL_DATE)); // Get number of allowed number of worker threads $queues = intval(get_config("system", "worker_queues")); if ($queues == 0) { $queues = 4; } // If there are already enough workers running, don't fork another one if ($workers[0]["workers"] >= $queues) { return; } // Now call the poller to execute the jobs that we just added to the queue $args = array("include/poller.php", "no_cron"); $a->proc_run($args); } function current_theme(){ $app_base_themes = array('duepuntozero', 'dispy', 'quattro'); $a = get_app(); $page_theme = null; // Find the theme that belongs to the user whose stuff we are looking at if ($a->profile_uid && ($a->profile_uid != local_user())) { $r = q("select theme from user where uid = %d limit 1", intval($a->profile_uid) ); if (dbm::is_result($r)) { $page_theme = $r[0]['theme']; } } // Allow folks to over-rule user themes and always use their own on their own site. // This works only if the user is on the same server if ($page_theme && local_user() && (local_user() != $a->profile_uid)) { if (get_pconfig(local_user(),'system','always_my_theme')) { $page_theme = null; } } // $mobile_detect = new Mobile_Detect(); // $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet(); $is_mobile = $a->is_mobile || $a->is_tablet; $standard_system_theme = Config::get('system', 'theme', ''); $standard_theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $standard_system_theme); if ($is_mobile) { if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) { $system_theme = $standard_system_theme; $theme_name = $standard_theme_name; } else { $system_theme = Config::get('system', 'mobile-theme', ''); if ($system_theme == '') { $system_theme = $standard_system_theme; } $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme); if ($theme_name === '---') { // user has selected to have the mobile theme be the same as the normal one $system_theme = $standard_system_theme; $theme_name = $standard_theme_name; if ($page_theme) { $theme_name = $page_theme; } } } } else { $system_theme = $standard_system_theme; $theme_name = $standard_theme_name; if ($page_theme) { $theme_name = $page_theme; } } if ($theme_name && (file_exists('view/theme/' . $theme_name . '/style.css') || file_exists('view/theme/' . $theme_name . '/style.php'))) { return($theme_name); } foreach ($app_base_themes as $t) { if (file_exists('view/theme/' . $t . '/style.css') || file_exists('view/theme/' . $t . '/style.php')) { return($t); } } $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php')); if (count($fallback)) { return (str_replace('view/theme/','', substr($fallback[0],0,-10))); } /// @TODO No final return statement? } /** * @brief Return full URL to theme which is currently in effect. * * Provide a sane default if nothing is chosen or the specified theme does not exist. * * @return string */ function current_theme_url() { $a = get_app(); $t = current_theme(); $opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : ''); if (file_exists('view/theme/' . $t . '/style.php')) { return('view/theme/'.$t.'/style.pcss'.$opts); } return('view/theme/'.$t.'/style.css'); } function feed_birthday($uid,$tz) { /** * * Determine the next birthday, but only if the birthday is published * in the default profile. We _could_ also look for a private profile that the * recipient can see, but somebody could get mad at us if they start getting * public birthday greetings when they haven't made this info public. * * Assuming we are able to publish this info, we are then going to convert * the start time from the owner's timezone to UTC. * * This will potentially solve the problem found with some social networks * where birthdays are converted to the viewer's timezone and salutations from * elsewhere in the world show up on the wrong day. We will convert it to the * viewer's timezone also, but first we are going to convert it from the birthday * person's timezone to GMT - so the viewer may find the birthday starting at * 6:00PM the day before, but that will correspond to midnight to the birthday person. * */ $birthday = ''; if (! strlen($tz)) { $tz = 'UTC'; } $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1", intval($uid) ); if (dbm::is_result($p)) { $tmp_dob = substr($p[0]['dob'],5); if (intval($tmp_dob)) { $y = datetime_convert($tz,$tz,'now','Y'); $bd = $y . '-' . $tmp_dob . ' 00:00'; $t_dob = strtotime($bd); $now = strtotime(datetime_convert($tz,$tz,'now')); if ($t_dob < $now) { $bd = $y + 1 . '-' . $tmp_dob . ' 00:00'; } $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME); } } return $birthday; } /** * @brief Check if current user has admin role. * * @return bool true if user is an admin */ function is_site_admin() { $a = get_app(); $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email'])); //if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email'])) if (local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist)) { return true; } return false; } /** * @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)) { /// @TODO maybe not compare against null, use is_null() if ($name == null) { $ret .= build_querystring($val, $key); } else { $ret .= build_querystring($val, $name."[$key]"); } } else { $val = urlencode($val); /// @TODO maybe not compare against null, use is_null() if ($name != null) { /// @TODO two string concated, can be merged to one $ret .= $name . "[$key]" . "=$val&"; } else { $ret .= "$key=$val&"; } } } return $ret; } function explode_querystring($query) { $arg_st = strpos($query, '?'); if ($arg_st !== false) { $base = substr($query, 0, $arg_st); $arg_st += 1; } else { $base = ''; $arg_st = 0; } $args = explode('&', substr($query, $arg_st)); foreach ($args as $k => $arg) { /// @TODO really compare type-safe here? if ($arg === '') { unset($args[$k]); } } $args = array_values($args); if (!$base) { $base = $args[0]; unset($args[0]); $args = array_values($args); } return array( 'base' => $base, 'args' => $args, ); } /** * 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 */ 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 $pageURL; } function random_digits($digits) { $rn = ''; for ($i = 0; $i < $digits; $i++) { /// @TODO rand() is different to mt_rand() and maybe lesser "random" $rn .= rand(0,9); } return $rn; } function get_server() { $server = get_config("system", "directory"); if ($server == "") { $server = "http://dir.friendi.ca"; } return($server); } function get_cachefile($file, $writemode = true) { $cache = get_itemcachepath(); if ((! $cache) || (! is_dir($cache))) { return(""); } $subfolder = $cache . "/" . substr($file, 0, 2); $cachepath = $subfolder . "/" . $file; if ($writemode) { if (!is_dir($subfolder)) { mkdir($subfolder); chmod($subfolder, 0777); } } /// @TODO no need to put braces here return $cachepath; } function clear_cache($basepath = "", $path = "") { if ($path == "") { $basepath = get_itemcachepath(); $path = $basepath; } if (($path == "") OR (!is_dir($path))) { return; } if (substr(realpath($path), 0, strlen($basepath)) != $basepath) { return; } $cachetime = (int)get_config('system','itemcache_duration'); if ($cachetime == 0) { $cachetime = 86400; } if (is_writable($path)){ if ($dh = opendir($path)) { while (($file = readdir($dh)) !== false) { $fullpath = $path."/".$file; if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != "..")) { clear_cache($basepath, $fullpath); } if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime))) { unlink($fullpath); } } closedir($dh); } } } function get_itemcachepath() { // Checking, if the cache is deactivated $cachetime = (int)get_config('system','itemcache_duration'); if ($cachetime < 0) { return ""; } $itemcache = get_config('system','itemcache'); if (($itemcache != "") AND App::directory_usable($itemcache)) { return $itemcache; } $temppath = get_temppath(); if ($temppath != "") { $itemcache = $temppath."/itemcache"; if (!file_exists($itemcache) && !is_dir($itemcache)) { mkdir($itemcache); } if (App::directory_usable($itemcache)) { set_config("system", "itemcache", $itemcache); return $itemcache; } } return ""; } /** * @brief Returns the path where spool files are stored * * @return string Spool path */ function get_spoolpath() { $spoolpath = get_config('system','spoolpath'); if (($spoolpath != "") AND App::directory_usable($spoolpath)) { // We have a spool path and it is usable return $spoolpath; } // We don't have a working preconfigured spool path, so we take the temp path. $temppath = get_temppath(); if ($temppath != "") { // To avoid any interferences with other systems we create our own directory $spoolpath = $temppath."/spool"; if (!is_dir($spoolpath)) { mkdir($spoolpath); } if (App::directory_usable($spoolpath)) { // The new path is usable, we are happy set_config("system", "spoolpath", $spoolpath); return $spoolpath; } else { // We can't create a subdirectory, strange. // But the directory seems to work, so we use it but don't store it. return $temppath; } } // Reaching this point means that the operating system is configured badly. return ""; } function get_temppath() { $a = get_app(); $temppath = get_config("system", "temppath"); if (($temppath != "") AND App::directory_usable($temppath)) { // We have a temp path and it is usable return $temppath; } // We don't have a working preconfigured temp path, so we take the system path. $temppath = sys_get_temp_dir(); // Check if it is usable if (($temppath != "") AND App::directory_usable($temppath)) { // To avoid any interferences with other systems we create our own directory $new_temppath = $temppath."/".$a->get_hostname(); if (!is_dir($new_temppath)) { /// @TODO There is a mkdir()+chmod() upwards, maybe generalize this (+ configurable) into a function/method? mkdir($new_temppath); } if (App::directory_usable($new_temppath)) { // The new path is usable, we are happy set_config("system", "temppath", $new_temppath); return $new_temppath; } else { // We can't create a subdirectory, strange. // But the directory seems to work, so we use it but don't store it. return $temppath; } } // Reaching this point means that the operating system is configured badly. return ''; } /// @deprecated function set_template_engine(App $a, $engine = 'internal') { /// @note This function is no longer necessary, but keep it as a wrapper to the class method /// to avoid breaking themes again unnecessarily /// @TODO maybe output a warning here so the theme developer can see it? PHP won't show such warnings like Java does. $a->set_template_engine($engine); } if (!function_exists('exif_imagetype')) { function exif_imagetype($file) { $size = getimagesize($file); return $size[2]; } } function validate_include(&$file) { $orig_file = $file; $file = realpath($file); if (strpos($file, getcwd()) !== 0) { return false; } $file = str_replace(getcwd()."/", "", $file, $count); if ($count != 1) { return false; } if ($orig_file !== $file) { return false; } $valid = false; if (strpos($file, "include/") === 0) { $valid = true; } if (strpos($file, "addon/") === 0) { $valid = true; } // Simply return flag return ($valid); } function current_load() { if (!function_exists('sys_getloadavg')) { return false; } $load_arr = sys_getloadavg(); if (!is_array($load_arr)) { return false; } return max($load_arr[0], $load_arr[1]); } /** * @brief get c-style args * * @return int */ function argc() { return get_app()->argc; } /** * @brief Returns the value of a argv key * * @param int $x argv key * @return string Value of the argv key */ function argv($x) { if (array_key_exists($x,get_app()->argv)) { return get_app()->argv[$x]; } return ''; } /** * @brief Get the data which is needed for infinite scroll * * For invinite scroll we need the page number of the actual page * and the the URI where the content of the next page comes from. * This data is needed for the js part in main.js. * Note: infinite scroll does only work for the network page (module) * * @param string $module The name of the module (e.g. "network") * @return array Of infinite scroll data * 'pageno' => $pageno The number of the actual page * 'reload_uri' => $reload_uri The URI of the content we have to load */ function infinite_scroll_data($module) { if (get_pconfig(local_user(),'system','infinite_scroll') AND ($module == "network") AND ($_GET["mode"] != "minimal")) { // get the page number if (is_string($_GET["page"])) { $pageno = $_GET["page"]; } else { $pageno = 1; } $reload_uri = ""; // try to get the uri from which we load the content foreach ($_GET AS $param => $value) { if (($param != "page") AND ($param != "q")) { $reload_uri .= "&" . $param . "=" . urlencode($value); } } if (($a->page_offset != "") AND !strstr($reload_uri, "&offset=")) { $reload_uri .= "&offset=" . urlencode($a->page_offset); } $arr = array("pageno" => $pageno, "reload_uri" => $reload_uri); return $arr; } }