friendica/boot.php

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<?php
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/** @file boot.php
*
* This file defines some global constants and includes the central App class.
*/
/**
* Friendica
*
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* 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.
*
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* 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.
*/
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require_once __DIR__ . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
use Friendica\App;
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use Friendica\Core\System;
use Friendica\Core\Cache;
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use Friendica\Core\Config;
use Friendica\Core\PConfig;
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use Friendica\Core\Worker;
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use Friendica\Database\DBM;
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use Friendica\Model\Contact;
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use Friendica\Database\DBStructure;
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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/identity.php';
require_once 'update.php';
define('FRIENDICA_PLATFORM', 'Friendica');
define('FRIENDICA_CODENAME', 'Asparagus');
define('FRIENDICA_VERSION', '3.6-dev');
define('DFRN_PROTOCOL_VERSION', '2.23');
define('DB_UPDATE_VERSION', 1237);
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define('NEW_UPDATE_ROUTINE_VERSION', 1170);
/**
* @brief Constants for the database update check
*/
const DB_UPDATE_NOT_CHECKED = 0; // Database check wasn't executed before
const DB_UPDATE_SUCCESSFUL = 1; // Database check was successful
const DB_UPDATE_FAILED = 2; // Database check failed
/**
* @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');
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/**
* @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);
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/**
* $a->config['system']['png_quality'] from 0 (uncompressed) to 9
*/
define('PNG_QUALITY', 8);
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/**
* 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);
/* @}*/
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/**
* @name Logger
*
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* log levels
* @{
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*/
define('LOGGER_NORMAL', 0);
define('LOGGER_TRACE', 1);
define('LOGGER_DEBUG', 2);
define('LOGGER_DATA', 3);
define('LOGGER_ALL', 4);
/* @}*/
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/**
* @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);
/* @}*/
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/**
* @name Register
*
* Registration policies
* @{
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*/
define('REGISTER_CLOSED', 0);
define('REGISTER_APPROVE', 1);
define('REGISTER_OPEN', 2);
/**
* @}
*/
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/**
* @name Contact_is
*
* Relationship types
* @{
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*/
define('CONTACT_IS_FOLLOWER', 1);
define('CONTACT_IS_SHARING', 2);
define('CONTACT_IS_FRIEND', 3);
/**
* @}
*/
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/**
* @name Update
*
* DB update return values
* @{
*/
define('UPDATE_SUCCESS', 0);
define('UPDATE_FAILED', 1);
/**
* @}
*/
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/**
* @name page/profile types
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*
* PAGE_NORMAL is a typical personal profile account
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* 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
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* 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).
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*
* @{
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*/
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
*
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* 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);
/**
* @}
*/
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/**
* @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);
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define('PROTOCOL_OSTATUS_FEED', 4); // Deprecated
define('PROTOCOL_GS_CONVERSATION', 5); // Deprecated
define('PROTOCOL_SPLITTED_CONV', 6);
/**
* @}
*/
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/**
* @name Network
*
* Network and protocol family types
* @{
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*/
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
/**
* @}
*/
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/**
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* 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),
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NETWORK_APPNET => (-17),
NETWORK_NEWS => (-18),
NETWORK_ICALENDAR => (-19),
NETWORK_PNUT => (-20),
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NETWORK_PHANTOM => (-127),
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);
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/**
* Maximum number of "people who like (or don't like) this" that we will list by name
*/
define('MAX_LIKERS', 75);
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/**
* Communication timeout
*/
define('ZCURL_TIMEOUT', (-1));
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/**
* @name Notify
*
* Email notification options
* @{
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*/
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);
/* @}*/
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/**
* @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);
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/**
* @name Namespaces
*
* Various namespaces we may need to parse
* @{
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*/
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');
/* @}*/
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/**
* @name Activity
*
* Activity stream defines
* @{
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*/
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');
/* @}*/
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/**
* @name Gravity
*
* Item weight for query ordering
* @{
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*/
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');
/* @}*/
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/**
* Lowest possible date time value
*/
define('NULL_DATE', '0001-01-01 00:00:00');
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// Normally this constant is defined - but not if "pcntl" isn't installed
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if (!defined("SIGTERM")) {
define("SIGTERM", 15);
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}
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/**
* 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);
}
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/**
* 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()
{
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error_reporting(E_ERROR | E_WARNING | E_PARSE);
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set_time_limit(0);
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// This has to be quite large to deal with embedded private photos
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ini_set('pcre.backtrack_limit', 500000);
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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);
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}
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}
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/**
* @brief Retrieve the App structure
*
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* Useful in functions which require it but don't get it passed to them
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*
* @return App
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*/
function get_app()
{
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global $a;
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if (empty($a)) {
$a = new App(dirname(__DIR__));
}
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return $a;
}
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/**
* @brief Multi-purpose function to check variable state.
*
* Usage: x($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 $k key inside the array to check
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*
* @return bool|int
*/
function x($s, $k = null)
{
if ($k != null) {
if ((is_array($s)) && (array_key_exists($k, $s))) {
if ($s[$k]) {
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return (int) 1;
}
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return (int) 0;
}
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return false;
} else {
if (isset($s)) {
if ($s) {
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return (int) 1;
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}
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return (int) 0;
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}
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return false;
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}
}
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/**
* @brief Returns the baseurl.
*
* @see System::baseUrl()
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*
* @return string
* @TODO Function is deprecated and only used in some addons
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*/
function z_root()
{
return System::baseUrl();
}
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/**
* @brief Return absolut URL for given $path.
*
* @param string $path given path
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*
* @return string
*/
function absurl($path)
{
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if (strpos($path, '/') === 0) {
return z_path() . $path;
}
return $path;
}
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/**
* @brief Function to check if request was an AJAX (xmlhttprequest) request.
*
* @return boolean
*/
function is_ajax()
{
return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
}
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/**
* @brief Function to check if request was an AJAX (xmlhttprequest) request.
*
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* @param boolean $via_worker boolean Is the check run via the worker?
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*/
function check_db($via_worker)
{
$build = Config::get('system', 'build');
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if (!x($build)) {
Config::set('system', 'build', DB_UPDATE_VERSION);
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$build = DB_UPDATE_VERSION;
}
if ($build != DB_UPDATE_VERSION) {
// When we cannot execute the database update via the worker, we will do it directly
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if (!Worker::add(PRIORITY_CRITICAL, 'DBUpdate') && $via_worker) {
update_db(get_app());
}
}
}
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/**
* Sets the base url for use in cmdline programs which don't have
* $_SERVER variables
*
* @param object $a App
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*/
function check_url(App $a)
{
$url = Config::get('system', 'url');
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// if the url isn't set or the stored url is radically different
// than the currently visited url, store the current value accordingly.
// "Radically different" ignores common variations such as http vs https
// and www.example.com vs example.com.
// We will only change the url to an ip address if there is no existing setting
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if (!x($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());
}
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return;
}
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/**
* @brief Automatic database updates
* @param object $a App
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*/
function update_db(App $a)
{
$build = Config::get('system', 'build');
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if (!x($build)) {
$build = Config::set('system', 'build', DB_UPDATE_VERSION);
<