\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', 'InnoDB'); /** * @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 Protocols * * Different protocols that we are storing * @{ */ define('PROTOCOL_UNKNOWN', 0); define('PROTOCOL_DFRN', 1); define('PROTOCOL_DIASPORA', 2); define('PROTOCOL_OSTATUS_SALMON', 3); define('PROTOCOL_OSTATUS_FEED', 4); // Deprecated define('PROTOCOL_GS_CONVERSATION', 5); // Deprecated define('PROTOCOL_SPLITTED_CONV', 6); /** * @} */ /** * @name Network * * Network and protocol family types * @{ */ define('NETWORK_DFRN', 'dfrn'); // Friendica, Mistpark, other DFRN implementations define('NETWORK_ZOT', 'zot!'); // Zot! - Currently unsupported define('NETWORK_OSTATUS', 'stat'); // GNU-social, Pleroma, Mastodon, 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_FACEBOOK', 'face'); // Facebook API define('NETWORK_LINKEDIN', 'lnkd'); // LinkedIn define('NETWORK_XMPP', 'xmpp'); // XMPP - Currently unsupported define('NETWORK_MYSPACE', 'mysp'); // MySpace - Currently unsupported 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 - Dead protocol define('NETWORK_NEWS', 'nntp'); // Network News Transfer Protocol - Currently unsupported define('NETWORK_ICALENDAR', 'ical'); // iCalendar - Currently unsupported define('NETWORK_PNUT', 'pnut'); // pnut.io - Currently unsupported 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_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('SYSTEM_EMAIL', 0x4000); 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'); define('NAMESPACE_MASTODON', 'http://mastodon.social/schema/1.0'); /* @}*/ /** * @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_UNFAVORITE', NAMESPACE_ACTIVITY_SCHEMA . 'unfavorite'); define('ACTIVITY_SHARE', NAMESPACE_ACTIVITY_SCHEMA . 'share'); define('ACTIVITY_DELETE', NAMESPACE_ACTIVITY_SCHEMA . 'delete'); define('ACTIVITY_POKE', NAMESPACE_ZOT . '/activity/poke'); 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); } /** * Depending on the PHP version this constant does exist - or not. * See here: http://php.net/manual/en/curl.constants.php#117928 */ if (!defined('CURLE_OPERATION_TIMEDOUT')) { define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED); } /** * 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); } } /** * @brief Retrieve the App structure * * Useful in functions which require it but don't get it passed to them * * @return App */ function get_app() { global $a; if (empty($a)) { $a = new App(dirname(__DIR__)); } 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 Returns the baseurl. * * @see System::baseUrl() * * @return string * @TODO Function is deprecated and only used in some addons */ function z_root() { return System::baseUrl(); } /** * @brief Return absolut URL for given $path. * * @param string $path given path * * @return string */ function absurl($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'); } /** * @brief Function to check if request was an AJAX (xmlhttprequest) request. * * @param boolean $via_worker boolean Is the check run via the worker? */ function check_db($via_worker) { $build = Config::get('system', 'build'); if (empty($build)) { Config::set('system', 'build', DB_UPDATE_VERSION); $build = DB_UPDATE_VERSION; } // We don't support upgrading from very old versions anymore if ($build < NEW_UPDATE_ROUTINE_VERSION) { die('You try to update from a version prior to database version 1170. The direct upgrade path is not supported. Please update to version 3.5.4 before updating to this version.'); } if ($build != DB_UPDATE_VERSION) { // When we cannot execute the database update via the worker, we will do it directly if (!Worker::add(PRIORITY_CRITICAL, 'DBUpdate') && $via_worker) { update_db(get_app()); } } } /** * Sets the base url for use in cmdline programs which don't have * $_SERVER variables * * @param object $a App */ function check_url(App $a) { $url = Config::get('system', 'url'); // if the url isn't set or the stored url is radically different // than the currently visited url, store the current value accordingly. // "Radically different" ignores common variations such as http vs https // and www.example.com vs example.com. // We will only change the url to an ip address if there is no existing setting if (empty($url)) { $url = Config::set('system', 'url', System::baseUrl()); } if ((!link_compare($url, System::baseUrl())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $a->get_hostname))) { $url = Config::set('system', 'url', System::baseUrl()); } return; } /** * @brief Automatic database updates * @param object $a App */ function update_db(App $a) { $build = Config::get('system', 'build'); if (empty($build)) { $build = Config::set('system', 'build', DB_UPDATE_VERSION); } if ($build != DB_UPDATE_VERSION) { $stored = intval($build); $current = intval(DB_UPDATE_VERSION); if ($stored < $current) { Config::load('database'); // Compare the current structure with the defined structure $t = Config::get('database', 'dbupdate_' . DB_UPDATE_VERSION); if (!is_null($t)) { return; } Config::set('database', 'dbupdate_' . DB_UPDATE_VERSION, time()); // run update routine // it update the structure in one call $retval = DBStructure::update(false, true); if ($retval) { DBStructure::updateFail( DB_UPDATE_VERSION, $retval ); return; } else { Config::set('database', 'dbupdate_' . DB_UPDATE_VERSION, 'success'); } // run any left update_nnnn functions in update.php for ($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 = Config::get('database', 'update_' . $x); if (!is_null($t)) { return false; } Config::set('database', 'update_' . $x, time()); // call the specific update $func = 'update_' . $x; $retval = $func(); if ($retval) { //send the administrator an e-mail DBStructure::updateFail( $x, sprintf(t('Update %s failed. See error logs.'), $x) ); return false; } else { Config::set('database', 'update_' . $x, 'success'); Config::set('system', 'build', $x + 1); return true; } } else { Config::set('database', 'update_' . $x, 'success'); Config::set('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 object $a App */ function check_plugins(App $a) { $r = q("SELECT * FROM `addon` WHERE `installed` = 1"); if (DBM::is_result($r)) { $installed = $r; } else { $installed = array(); } $plugins = Config::get('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 optional * * @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 = Config::get('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 = System::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 $public_contact_id = intval(Contact::getIdForURL($_SESSION['my_address'], 0)); } elseif (x($_SESSION, 'visitor_home')) { // Remote user $public_contact_id = intval(Contact::getIdForURL($_SESSION['visitor_home'], 0)); } } elseif (!x($_SESSION, 'authenticated')) { $public_contact_id = false; } return $public_contact_id; } /** * @brief Returns contact id of authenticated site visitor or false * * @return int|bool visitor_id or false */ function remote_user() { // You cannot be both local and remote if (local_user()) { return false; } if (x($_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) { $a = get_app(); if (local_user() && PConfig::get(local_user(), 'system', 'ignore_info')) { return; } if (!x($_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); } 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 (PConfig::get(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() { $server = Config::get("system", "directory"); if ($server == "") { $server = "http://dir.friendica.social"; } return($server); } function get_temppath() { $a = get_app(); $temppath = Config::get("system", "temppath"); if (($temppath != "") && App::directory_usable($temppath)) { // We have a temp path and it is usable return App::realpath($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 != "") && App::directory_usable($temppath)) { // Always store the real path, not the path through symlinks $temppath = App::realpath($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 Config::set("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 $temppath; } } // Reaching this point means that the operating system is configured badly. return ''; } function get_cachefile($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 == "") || (!is_dir($path))) { return; } if (substr(realpath($path), 0, strlen($basepath)) != $basepath) { return; } $cachetime = (int) Config::get('system', 'itemcache_duration'); if ($cachetime == 0) { $cachetime = 86400; } if (is_writable($path)) { if ($dh = opendir($path)) { while (($file = readdir($dh)) !== false) { $fullpath = $path . "/" . $file; if ((filetype($fullpath) == "dir") && ($file != ".") && ($file != "..")) { clear_cache($basepath, $fullpath); } if ((filetype($fullpath) == "file") && (filectime($fullpath) < (time() - $cachetime))) { unlink($fullpath); } } closedir($dh); } } } function get_itemcachepath() { // Checking, if the cache is deactivated $cachetime = (int) Config::get('system', 'itemcache_duration'); if ($cachetime < 0) { return ""; } $itemcache = Config::get('system', 'itemcache'); if (($itemcache != "") && App::directory_usable($itemcache)) { return App::realpath($itemcache); } $temppath = get_temppath(); if ($temppath != "") { $itemcache = $temppath . "/itemcache"; if (!file_exists($itemcache) && !is_dir($itemcache)) { mkdir($itemcache); } if (App::directory_usable($itemcache)) { Config::set("system", "itemcache", $itemcache); return $itemcache; } } return ""; } /** * @brief Returns the path where spool files are stored * * @return string Spool path */ function get_spoolpath() { $spoolpath = Config::get('system', 'spoolpath'); if (($spoolpath != "") && 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 Config::set("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 $temppath; } } // Reaching this point means that the operating system is configured badly. return ""; } if (!function_exists('exif_imagetype')) { function exif_imagetype($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 (PConfig::get(local_user(), 'system', 'infinite_scroll') && ($module == "network") && ($_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") && ($param != "q")) { $reload_uri .= "&" . $param . "=" . urlencode($value); } } if (($a->page_offset != "") && ! strstr($reload_uri, "&offset=")) { $reload_uri .= "&offset=" . urlencode($a->page_offset); } $arr = array("pageno" => $pageno, "reload_uri" => $reload_uri); return $arr; } }