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hubzilla_ynh/sources/boot.php
Andrew Manning 1f7a9290f4 Re-importing Hubzilla core and addons source
2015-08-23 16:38:18 -04:00

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<?php
/** @file boot.php
*
* This file defines some global constants and includes the central App class.
*/
/**
* Hubzilla.
*
* Hubzilla is an open source decentralised communications
* platform combined with a decentralised identity/authentication framework
* wrapped in an extensible content management system, providing website designers
* the ability to embed fully decentralised communications and social tools
* into many traditional website designs (blogs, forums, small business
* websites, charitable organisations, etc.). Hubzilla also provides DNS mobility
* and internet scale privacy/access control.
*
* This allows any individual website to participate in a matrix of linked
* sites and people and media sharing which is far greater than the reach
* of an individual site.
*
* If you are reading the source code and come across a function
* or code block which is not documented, but you have a good idea what it
* does, please add some descriptive comments and push it to the main project.
* Even if your description isn't perfect, it gives us a base which we
* can build on and correct - so that eventually everything is fully
* documented.
*/
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/language.php');
require_once('include/nav.php');
require_once('include/cache.php');
require_once('include/permissions.php');
require_once('library/Mobile_Detect/Mobile_Detect.php');
require_once('include/BaseObject.php');
require_once('include/features.php');
require_once('include/taxonomy.php');
require_once('include/identity.php');
require_once('include/Contact.php');
require_once('include/account.php');
define ( 'PLATFORM_NAME', 'hubzilla' );
define ( 'RED_VERSION', trim(file_get_contents('version.inc')) . 'H');
define ( 'ZOT_REVISION', 1 );
define ( 'DB_UPDATE_VERSION', 1148 );
/**
* @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' );
//define ( 'NULL_DATE', '0000-00-00 00:00:00' );
define ( 'TEMPLATE_BUILD_PATH', 'store/[data]/smarty3' );
define ( 'DIRECTORY_MODE_NORMAL', 0x0000); // This is technically DIRECTORY_MODE_TERTIARY, but it's the default, hence 0x0000
define ( 'DIRECTORY_MODE_PRIMARY', 0x0001);
define ( 'DIRECTORY_MODE_SECONDARY', 0x0002);
define ( 'DIRECTORY_MODE_STANDALONE', 0x0100);
// We will look for upstream directories whenever me make contact
// with other sites, but if this is a new installation and isn't
// a standalone hub, we need to seed the service with a starting
// point to go out and find the rest of the world.
define ( 'DIRECTORY_REALM', 'RED_GLOBAL');
define ( 'DIRECTORY_FALLBACK_MASTER', 'https://zothub.com');
$DIRECTORY_FALLBACK_SERVERS = array(
'https://zothub.com',
'https://zotid.net',
'https://red.zottel.red',
'https://redmatrix.info',
'https://my.federated.social',
'https://redmatrix.nl'
);
/**
*
* 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 );
/**
* Language detection parameters
*/
define ( 'LANGUAGE_DETECT_MIN_LENGTH', 128 );
define ( 'LANGUAGE_DETECT_MIN_CONFIDENCE', 0.01 );
/**
* Default permissions for file-based storage (webDAV, etc.)
* These files will be owned by the webserver who will need write
* access to the "storage" folder.
* Ideally you should make this 700, however some hosted platforms
* may not let you change ownership of this directory so we're
* defaulting to both owner-write and group-write privilege.
* This should work for most cases without modification.
* Over-ride this in your .htconfig.php if you need something
* either more or less restrictive.
*/
define ( 'STORAGE_DEFAULT_PERMISSIONS', 0770 );
/**
*
* An alternate way of limiting picture upload sizes. Specify the maximum pixel
* length that pictures are allowed to be (for non-square pictures, it will apply
* to the longest side). Pictures longer than this length will be resized to be
* this length (on the longest side, the other side will be scaled appropriately).
* Modify this value using
*
* $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' );
/**
* SSL redirection policies
*/
define ( 'SSL_POLICY_NONE', 0 );
define ( 'SSL_POLICY_FULL', 1 );
define ( 'SSL_POLICY_SELFSIGN', 2 ); // NOT supported in Red
/**
* log levels
*/
define ( 'LOGGER_NORMAL', 0 );
define ( 'LOGGER_TRACE', 1 );
define ( 'LOGGER_DEBUG', 2 );
define ( 'LOGGER_DATA', 3 );
define ( 'LOGGER_ALL', 4 );
/**
* registration policies
*/
define ( 'REGISTER_CLOSED', 0 );
define ( 'REGISTER_APPROVE', 1 );
define ( 'REGISTER_OPEN', 2 );
/**
* site access policy
*/
define ( 'ACCESS_PRIVATE', 0 );
define ( 'ACCESS_PAID', 1 );
define ( 'ACCESS_FREE', 2 );
define ( 'ACCESS_TIERED', 3 );
/**
* relationship types
*/
define ( 'CONTACT_IS_FOLLOWER', 1);
define ( 'CONTACT_IS_SHARING', 2);
define ( 'CONTACT_IS_FRIEND', 3);
/**
* DB update return values
*/
define ( 'UPDATE_SUCCESS', 0);
define ( 'UPDATE_FAILED', 1);
define ( 'CLIENT_MODE_NORMAL', 0x0000);
define ( 'CLIENT_MODE_LOAD', 0x0001);
define ( 'CLIENT_MODE_UPDATE', 0x0002);
/**
*
* Channel pageflags
*
*/
define ( 'PAGE_NORMAL', 0x0000 );
define ( 'PAGE_HIDDEN', 0x0001 );
define ( 'PAGE_AUTOCONNECT', 0x0002 );
define ( 'PAGE_APPLICATION', 0x0004 );
define ( 'PAGE_ALLOWCODE', 0x0008 );
define ( 'PAGE_PREMIUM', 0x0010 );
define ( 'PAGE_ADULT', 0x0020 );
define ( 'PAGE_CENSORED', 0x0040 ); // Site admin has blocked this channel from appearing in casual search results and site feeds
define ( 'PAGE_SYSTEM', 0x1000 );
define ( 'PAGE_HUBADMIN', 0x2000 ); // set this to indicate a preferred admin channel rather than the
// default channel of any accounts with the admin role.
define ( 'PAGE_REMOVED', 0x8000 );
/**
* Photo usage types
*/
define ( 'PHOTO_NORMAL', 0x0000 );
define ( 'PHOTO_PROFILE', 0x0001 );
define ( 'PHOTO_XCHAN', 0x0002 );
define ( 'PHOTO_THING', 0x0004 );
define ( 'PHOTO_COVER', 0x0010 );
define ( 'PHOTO_ADULT', 0x0008 );
define ( 'PHOTO_FLAG_OS', 0x4000 );
/**
* Menu types
*/
define ( 'MENU_SYSTEM', 0x0001 );
define ( 'MENU_BOOKMARK', 0x0002 );
/**
* 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_PHANTOM', 'unkn'); // Place holder
/**
* Permissions
*/
define ( 'PERMS_R_STREAM', 0x00001);
define ( 'PERMS_R_PROFILE', 0x00002);
define ( 'PERMS_R_PHOTOS', 0x00004);
define ( 'PERMS_R_ABOOK', 0x00008);
define ( 'PERMS_W_STREAM', 0x00010);
define ( 'PERMS_W_WALL', 0x00020);
define ( 'PERMS_W_TAGWALL', 0x00040);
define ( 'PERMS_W_COMMENT', 0x00080);
define ( 'PERMS_W_MAIL', 0x00100);
define ( 'PERMS_W_PHOTOS', 0x00200);
define ( 'PERMS_W_CHAT', 0x00400);
define ( 'PERMS_A_DELEGATE', 0x00800);
define ( 'PERMS_R_STORAGE', 0x01000);
define ( 'PERMS_W_STORAGE', 0x02000);
define ( 'PERMS_R_PAGES', 0x04000);
define ( 'PERMS_W_PAGES', 0x08000);
define ( 'PERMS_A_REPUBLISH', 0x10000);
define ( 'PERMS_W_LIKE', 0x20000);
// General channel permissions
define ( 'PERMS_PUBLIC' , 0x0001 );
define ( 'PERMS_NETWORK' , 0x0002 );
define ( 'PERMS_SITE' , 0x0004 );
define ( 'PERMS_CONTACTS' , 0x0008 );
define ( 'PERMS_SPECIFIC' , 0x0080 );
define ( 'PERMS_AUTHED' , 0x0100 );
define ( 'PERMS_PENDING' , 0x0200 );
// Address book flags
define ( 'ABOOK_FLAG_BLOCKED' , 0x0001);
define ( 'ABOOK_FLAG_IGNORED' , 0x0002);
define ( 'ABOOK_FLAG_HIDDEN' , 0x0004);
define ( 'ABOOK_FLAG_ARCHIVED' , 0x0008);
define ( 'ABOOK_FLAG_PENDING' , 0x0010);
define ( 'ABOOK_FLAG_UNCONNECTED', 0x0020);
define ( 'ABOOK_FLAG_SELF' , 0x0080);
define ( 'ABOOK_FLAG_FEED' , 0x0100);
define ( 'MAIL_DELETED', 0x0001);
define ( 'MAIL_REPLIED', 0x0002);
define ( 'MAIL_ISREPLY', 0x0004);
define ( 'MAIL_SEEN', 0x0008);
define ( 'MAIL_RECALLED', 0x0010);
define ( 'MAIL_OBSCURED', 0x0020);
define ( 'ATTACH_FLAG_DIR', 0x0001);
define ( 'ATTACH_FLAG_OS', 0x0002);
define ( 'MENU_ITEM_ZID', 0x0001);
define ( 'MENU_ITEM_NEWWIN', 0x0002);
define ( 'MENU_ITEM_CHATROOM', 0x0004);
/**
* Poll/Survey types
*/
define ( 'POLL_SIMPLE_RATING', 0x0001); // 1-5
define ( 'POLL_TENSCALE', 0x0002); // 1-10
define ( 'POLL_MULTIPLE_CHOICE', 0x0004);
define ( 'POLL_OVERWRITE', 0x8000); // If you vote twice remove the prior entry
define ( 'UPDATE_FLAGS_UPDATED', 0x0001);
define ( 'UPDATE_FLAGS_FORCED', 0x0002);
define ( 'UPDATE_FLAGS_DELETED', 0x1000);
define ( 'DROPITEM_NORMAL', 0);
define ( 'DROPITEM_PHASE1', 1);
define ( 'DROPITEM_PHASE2', 2);
/**
* Maximum number of "people who like (or don't like) this" that we will list by name
*/
define ( 'MAX_LIKERS', 10);
/**
* Communication timeout
*/
define ( 'ZCURL_TIMEOUT' , (-1));
/**
* email notification options
*/
define ( 'NOTIFY_INTRO', 0x0001 );
define ( 'NOTIFY_CONFIRM', 0x0002 );
define ( 'NOTIFY_WALL', 0x0004 );
define ( 'NOTIFY_COMMENT', 0x0008 );
define ( 'NOTIFY_MAIL', 0x0010 );
define ( 'NOTIFY_SUGGEST', 0x0020 );
define ( 'NOTIFY_PROFILE', 0x0040 );
define ( 'NOTIFY_TAGSELF', 0x0080 );
define ( 'NOTIFY_TAGSHARE', 0x0100 );
define ( 'NOTIFY_POKE', 0x0200 );
define ( 'NOTIFY_SYSTEM', 0x8000 );
/**
* visual notification options
*/
define ( 'VNOTIFY_NETWORK', 0x0001 );
define ( 'VNOTIFY_CHANNEL', 0x0002 );
define ( 'VNOTIFY_MAIL', 0x0004 );
define ( 'VNOTIFY_EVENT', 0x0008 );
define ( 'VNOTIFY_EVENTTODAY', 0x0010 );
define ( 'VNOTIFY_BIRTHDAY', 0x0020 );
define ( 'VNOTIFY_SYSTEM', 0x0040 );
define ( 'VNOTIFY_INFO', 0x0080 );
define ( 'VNOTIFY_ALERT', 0x0100 );
define ( 'VNOTIFY_INTRO', 0x0200 );
define ( 'VNOTIFY_REGISTER', 0x0400 );
/**
* Tag/term types
*/
define ( 'TERM_UNKNOWN', 0 );
define ( 'TERM_HASHTAG', 1 );
define ( 'TERM_MENTION', 2 );
define ( 'TERM_CATEGORY', 3 );
define ( 'TERM_PCATEGORY', 4 );
define ( 'TERM_FILE', 5 );
define ( 'TERM_SAVEDSEARCH', 6 );
define ( 'TERM_THING', 7 );
define ( 'TERM_BOOKMARK', 8 );
define ( 'TERM_HIERARCHY', 9 );
define ( 'TERM_OBJ_POST', 1 );
define ( 'TERM_OBJ_PHOTO', 2 );
define ( 'TERM_OBJ_PROFILE', 3 );
define ( 'TERM_OBJ_CHANNEL', 4 );
define ( 'TERM_OBJ_OBJECT', 5 );
define ( 'TERM_OBJ_THING', 6 );
define ( 'TERM_OBJ_APP', 7 );
/**
* various namespaces we may need to parse
*/
define ( 'NAMESPACE_ZOT', 'http://purl.org/zot' );
define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
define ( 'NAMESPACE_THREAD' , 'http://purl.org/syndication/thread/1.0' );
define ( 'NAMESPACE_TOMB' , 'http://purl.org/atompub/tombstones/1.0' );
define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/spec/1.0/' );
define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
define ( 'NAMESPACE_MEDIA', 'http://purl.org/syndication/atommedia' );
define ( 'NAMESPACE_SALMON_ME', 'http://salmon-protocol.org/ns/magic-env' );
define ( 'NAMESPACE_OSTATUSSUB', 'http://ostatus.org/schema/1.0/subscribe' );
define ( 'NAMESPACE_GEORSS', 'http://www.georss.org/georss' );
define ( 'NAMESPACE_POCO', 'http://portablecontacts.net/spec/1.0' );
define ( 'NAMESPACE_FEED', 'http://schemas.google.com/g/2010#updates-from' );
define ( 'NAMESPACE_OSTATUS', 'http://ostatus.org/schema/1.0' );
define ( 'NAMESPACE_STATUSNET', 'http://status.net/schema/api/1/' );
define ( 'NAMESPACE_ATOM1', 'http://www.w3.org/2005/Atom' );
define ( 'NAMESPACE_YMEDIA', 'http://search.yahoo.com/mrss/' );
/**
* activity stream defines
*/
define ( 'ACTIVITY_LIKE', NAMESPACE_ACTIVITY_SCHEMA . 'like' );
define ( 'ACTIVITY_DISLIKE', NAMESPACE_ZOT . '/activity/dislike' );
define ( 'ACTIVITY_AGREE', NAMESPACE_ZOT . '/activity/agree' );
define ( 'ACTIVITY_DISAGREE', NAMESPACE_ZOT . '/activity/disagree' );
define ( 'ACTIVITY_ABSTAIN', NAMESPACE_ZOT . '/activity/abstain' );
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_ZOT . '/activity/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_POKE', NAMESPACE_ZOT . '/activity/poke' );
define ( 'ACTIVITY_MOOD', NAMESPACE_ZOT . '/activity/mood' );
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_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
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_ZOT . '/activity/tagterm' );
define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_ZOT . '/activity/profile' );
define ( 'ACTIVITY_OBJ_THING', NAMESPACE_ZOT . '/activity/thing' );
define ( 'ACTIVITY_OBJ_LOCATION',NAMESPACE_ZOT . '/activity/location' );
define ( 'ACTIVITY_OBJ_FILE', NAMESPACE_ZOT . '/activity/file' );
/**
* item weight for query ordering
*/
define ( 'GRAVITY_PARENT', 0);
define ( 'GRAVITY_LIKE', 3);
define ( 'GRAVITY_COMMENT', 6);
/**
* Account Flags
*/
define ( 'ACCOUNT_OK', 0x0000 );
define ( 'ACCOUNT_UNVERIFIED', 0x0001 );
define ( 'ACCOUNT_BLOCKED', 0x0002 );
define ( 'ACCOUNT_EXPIRED', 0x0004 );
define ( 'ACCOUNT_REMOVED', 0x0008 );
define ( 'ACCOUNT_PENDING', 0x0010 );
/**
* Account roles
*/
define ( 'ACCOUNT_ROLE_ALLOWCODE', 0x0001 );
define ( 'ACCOUNT_ROLE_SYSTEM', 0x0002 );
define ( 'ACCOUNT_ROLE_DEVELOPER', 0x0004 );
define ( 'ACCOUNT_ROLE_ADMIN', 0x1000 );
/**
* Item visibility
*/
define ( 'ITEM_VISIBLE', 0x0000);
//define ( 'ITEM_HIDDEN', 0x0001);
define ( 'ITEM_BLOCKED', 0x0002);
define ( 'ITEM_MODERATED', 0x0004);
define ( 'ITEM_SPAM', 0x0008);
//define ( 'ITEM_DELETED', 0x0010);
define ( 'ITEM_UNPUBLISHED', 0x0020);
//define ( 'ITEM_WEBPAGE', 0x0040); // is a static web page, not a conversational item
define ( 'ITEM_DELAYED_PUBLISH', 0x0080);
define ( 'ITEM_BUILDBLOCK', 0x0100); // Named thusly to make sure nobody confuses this with ITEM_BLOCKED
//define ( 'ITEM_PDL', 0x0200); // Page Description Language - e.g. Comanche
define ( 'ITEM_BUG', 0x0400); // Is a bug, can be used by the internal bug tracker
define ( 'ITEM_PENDING_REMOVE', 0x0800); // deleted, notification period has lapsed
define ( 'ITEM_DOC', 0x1000); // hubzilla only, define here so that item import does the right thing
define ( 'ITEM_TYPE_POST', 0 );
define ( 'ITEM_TYPE_BLOCK', 1 );
define ( 'ITEM_TYPE_PDL', 2 );
define ( 'ITEM_TYPE_WEBPAGE', 3 );
define ( 'ITEM_TYPE_BUG', 4 );
define ( 'ITEM_TYPE_DOC', 5 );
define ( 'DBTYPE_MYSQL', 0 );
define ( 'DBTYPE_POSTGRES', 1 );
/**
*
* 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);
// Some hosting providers block/disable this
@set_time_limit(0);
if(function_exists ('ini_set')) {
// This has to be quite large to deal with embedded private photos
@ini_set('pcre.backtrack_limit', 500000);
// Use cookies to store the session ID on the client side
@ini_set('session.use_only_cookies', 1);
// Disable transparent Session ID support
@ini_set('session.use_trans_sid', 0);
}
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 {
public $install = false; // true if we are installing the software
public $account = null; // account record of the logged-in account
public $channel = null; // channel record of the current channel of the logged-in account
public $observer = null; // xchan record of the page observer
public $profile_uid = 0; // If applicable, the channel_id of the "page owner"
public $poi = null; // "person of interest", generally a referenced connection
private $oauth_key = null; // consumer_id of oauth request, if used
public $layout = array(); // Comanche parsed template
public $pdl = null;
private $perms = null; // observer permissions
private $widgets = array(); // widgets for this page
//private $widgetlist = null; // widget ordering and inclusion directives
public $groups;
public $language;
public $module_loaded = false;
public $query_string;
public $config; // config cache
public $page;
public $profile;
public $user;
public $cid;
public $contact;
public $contacts;
public $content;
public $data = array();
public $error = false;
public $cmd;
public $argv;
public $argc;
public $module;
public $pager;
public $strings;
public $hooks;
public $timezone;
public $interactive = true;
public $plugins;
private $apps = array();
public $identities;
public $css_sources = array();
public $js_sources = array();
public $theme_info = array();
public $is_sys = false;
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;
/**
* @brief An array for all theme-controllable parameters
*
* Mostly unimplemented yet. Only options 'template_engine' and
* beyond are used.
*/
private $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();
private $ldelim = array(
'internal' => '',
'smarty3' => '{{'
);
private $rdelim = array(
'internal' => '',
'smarty3' => '}}'
);
private $scheme;
private $hostname;
private $baseurl;
private $path;
/**
* App constructor.
*/
function __construct() {
// we'll reset this after we read our config file
date_default_timezone_set('UTC');
$this->config = array('system'=>array());
$this->page = array();
$this->pager= array();
$this->query_string = '';
startup();
set_include_path(
'include' . PATH_SEPARATOR
. 'library' . PATH_SEPARATOR
. 'library/langdet' . PATH_SEPARATOR
. '.' );
$this->scheme = 'http';
if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
$this->scheme = 'https';
elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
$this->scheme = 'https';
if(x($_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
*/
$path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
if(isset($path) && strlen($path) && ($path != $this->path))
$this->path = $path;
}
set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
if((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
if (substr($this->query_string, 0, 1) == "/")
$this->query_string = substr($this->query_string, 1);
}
if(x($_GET,'q'))
$this->cmd = trim($_GET['q'],'/\\');
// unix style "homedir"
if(substr($this->cmd, 0, 1) === '~')
$this->cmd = 'channel/' . substr($this->cmd, 1);
/*
* 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'] = 60;
$this->pager['start'] = ($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();
$this->head_set_icon('/images/rm-32.png');
BaseObject::set_app($this);
/*
* register template engines
*/
$dc = get_declared_classes();
foreach ($dc as $k) {
if (in_array("ITemplateEngine", class_implements($k))){
$this->register_template_engine($k);
}
}
}
function get_baseurl($ssl = false) {
if(is_array($this->config)
&& array_key_exists('system',$this->config)
&& is_array($this->config['system'])
&& array_key_exists('baseurl',$this->config['system'])
&& strlen($this->config['system']['baseurl'])) {
$url = $this->config['system']['baseurl'];
return $url;
}
$scheme = $this->scheme;
$this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
return $this->baseurl;
}
function set_baseurl($url) {
if(is_array($this->config)
&& array_key_exists('system',$this->config)
&& is_array($this->config['system'])
&& array_key_exists('baseurl',$this->config['system'])
&& strlen($this->config['system']['baseurl'])) {
$url = $this->config['system']['baseurl'];
}
$parsed = @parse_url($url);
$this->baseurl = $url;
if($parsed) {
$this->scheme = $parsed['scheme'];
$this->hostname = $parsed['host'];
if(x($parsed,'port'))
$this->hostname .= ':' . $parsed['port'];
if(x($parsed,'path'))
$this->path = trim($parsed['path'],'\\/');
}
}
function get_hostname() {
return $this->hostname;
}
function set_hostname($h) {
$this->hostname = $h;
}
function set_path($p) {
$this->path = trim(trim($p), '/');
}
function get_path() {
return $this->path;
}
function set_account($acct) {
$this->account = $acct;
}
function get_account() {
return $this->account;
}
function set_channel($channel) {
$this->channel = $channel;
}
function get_channel() {
return $this->channel;
}
function set_observer($xchan) {
$this->observer = $xchan;
}
function get_observer() {
return $this->observer;
}
function set_perms($perms) {
$this->perms = $perms;
}
function get_perms() {
return $this->perms;
}
function set_oauth_key($consumer_id) {
$this->oauth_key = $consumer_id;
}
function get_oauth_key() {
return $this->oauth_key;
}
function get_apps() {
return $this->apps;
}
function set_apps($arr) {
$this->apps = $arr;
}
function set_groups($g) {
$this->groups = $g;
}
function get_groups() {
return $this->groups;
}
function set_widget($title,$html, $location = 'aside') {
$this->widgets[] = array('title' => $title, 'html' => $html, 'location' => $location);
}
function get_widgets($location = '') {
if($location && count($this->widgets)) {
$ret = array();
foreach($this->widgets as $w) {
if ($w['location'] == $location)
$ret[] = $w;
}
$arr = array('location' => $location, 'widgets' => $ret);
call_hooks('get_widgets', $arr);
return $arr['widgets'];
}
$arr = array('location' => $location, 'widgets' => $this->widgets);
call_hooks('get_widgets', $arr);
return $arr['widgets'];
}
function set_pager_total($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 build_pagehead() {
$user_scalable = ((local_channel()) ? get_pconfig(local_channel(),'system','user_scalable') : 1);
if ($user_scalable === false)
$user_scalable = 1;
$interval = ((local_channel()) ? get_pconfig(local_channel(),'system','update_interval') : 80000);
if($interval < 10000)
$interval = 80000;
if(! x($this->page,'title'))
$this->page['title'] = $this->config['system']['sitename'];
/* put the head template at the beginning of page['htmlhead']
* since the code added by the modules frequently depends on it
* being first
*/
$tpl = get_markup_template('head.tpl');
$this->page['htmlhead'] = replace_macros($tpl, array(
'$user_scalable' => $user_scalable,
'$baseurl' => $this->get_baseurl(),
'$local_channel' => local_channel(),
'$generator' => PLATFORM_NAME . ' ' . RED_VERSION,
'$update_interval' => $interval,
'$icon' => head_get_icon(),
'$head_css' => head_get_css(),
'$head_js' => head_get_js(),
'$js_strings' => js_strings(),
'$zid' => get_my_address(),
'$channel_id' => $this->profile['uid'],
)) . $this->page['htmlhead'];
// always put main.js at the end
$this->page['htmlhead'] .= head_get_main_js();
}
/**
* 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, $name = '') {
if ($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;
}
/**
* return template engine instance. If $name is not defined,
* return engine defined by theme, or default
*
* @param string $name Template engine name
*
* @return object Template Engine instance
*/
function template_engine($name = ''){
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 head_set_icon($icon) {
$this->data['pageicon'] = $icon;
}
function head_get_icon() {
$icon = $this->data['pageicon'];
if(! strpos($icon,'://'))
$icon = z_root() . $icon;
return $icon;
}
} // End App class
/**
* @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;
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;
}
}
// called from db initialisation if db is dead.
function system_unavailable() {
include('include/system_unavailable.php');
system_down();
killme();
}
function clean_urls() {
global $a;
// if($a->config['system']['clean_urls'])
return true;
// return false;
}
function z_path() {
global $a;
$base = $a->get_baseurl();
if(! clean_urls())
$base .= '/?q=';
return $base;
}
/**
* @brief Returns the baseurl.
*
* @see App::get_baseurl()
*
* @return string
*/
function z_root() {
global $a;
return $a->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 $path;
}
function os_mkdir($path, $mode = 0777, $recursive = false) {
$oldumask = @umask(0);
$result = @mkdir($path, $mode, $recursive);
@umask($oldumask);
return $result;
}
/**
* @brief Function to check if request was an AJAX (xmlhttprequest) request.
*
* @return boolean
*/
function is_ajax() {
return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
}
// Primarily involved with database upgrade, but also sets the
// base url for use in cmdline programs which don't have
// $_SERVER variables, and synchronising the state of installed plugins.
function check_config(&$a) {
$build = get_config('system','db_version');
if(! intval($build))
$build = set_config('system','db_version',DB_UPDATE_VERSION);
$saved = get_config('system','urlverify');
if(! $saved)
set_config('system','urlverify',bin2hex(z_root()));
if(($saved) && ($saved != bin2hex(z_root()))) {
// our URL changed. Do something.
$oldurl = hex2bin($saved);
logger('Baseurl changed!');
$oldhost = substr($oldurl, strpos($oldurl, '//') + 2);
$host = substr(z_root(), strpos(z_root(), '//') + 2);
$is_ip_addr = ((preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$host)) ? true : false);
$was_ip_addr = ((preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$oldhost)) ? true : false);
// only change the url to an ip address if it was already an ip and not a dns name
if((! $is_ip_addr) || ($is_ip_addr && $was_ip_addr)) {
fix_system_urls($oldurl,z_root());
set_config('system', 'urlverify', bin2hex(z_root()));
}
else
logger('Attempt to change baseurl from a DNS name to an IP address was refused.');
}
// This will actually set the url to the one stored in .htconfig, and ignore what
// we're passing - unless we are installing and it has never been set.
$a->set_baseurl($a->get_baseurl());
// Make sure each site has a system channel. This is now created on install
// so we just need to keep this around a couple of weeks until the hubs that
// already exist have one
$syschan_exists = get_sys_channel();
if (! $syschan_exists)
create_sys_channel();
if($build != DB_UPDATE_VERSION) {
$stored = intval($build);
if(! $stored) {
logger('Critical: check_config unable to determine database schema version');
return;
}
$current = intval(DB_UPDATE_VERSION);
if(($stored < $current) && file_exists('install/update.php')) {
load_config('database');
// We're reporting a different version than what is currently installed.
// Run any existing update scripts to bring the database up to current.
require_once('install/update.php');
// make sure that boot.php and update.php are the same release, we might be
// updating right this very second and the correct version of the update.php
// file may not be here yet. This can happen on a very busy site.
if(DB_UPDATE_VERSION == UPDATE_VERSION) {
for($x = $stored; $x < $current; $x ++) {
if(function_exists('update_r' . $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.
if(get_config('database','update_r' . $x))
break;
set_config('database','update_r' . $x, '1');
// call the specific update
$func = 'update_r' . $x;
$retval = $func();
if($retval) {
// Prevent sending hundreds of thousands of emails by creating
// a lockfile.
$lockfile = 'store/[data]/mailsent';
if ((file_exists($lockfile)) && (filemtime($lockfile) > (time() - 86400)))
return;
@unlink($lockfile);
//send the administrator an e-mail
file_put_contents($lockfile, $x);
$email_tpl = get_intltext_template("update_fail_eml.tpl");
$email_msg = replace_macros($email_tpl, array(
'$sitename' => $a->config['system']['sitename'],
'$siteurl' => $a->get_baseurl(),
'$update' => $x,
'$error' => sprintf( t('Update %s failed. See error logs.'), $x)
));
$subject = email_header_encode(sprintf(t('Update Error at %s'), $a->get_baseurl()));
mail($a->config['system']['admin_email'], $subject, $email_msg,
'From: Administrator' . '@' . $_SERVER['SERVER_NAME'] . "\n"
. 'Content-type: text/plain; charset=UTF-8' . "\n"
. 'Content-transfer-encoding: 8bit' );
//try the logger
logger('CRITICAL: Update Failed: ' . $x);
}
else
set_config('database','update_r' . $x, 'success');
}
}
set_config('system','db_version', DB_UPDATE_VERSION);
}
}
}
/**
*
* 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 unload 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.
*
*/
$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
if($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'], $plugins_arr)) {
unload_plugin($i['name']);
}
else {
$installed_arr[] = $i['name'];
}
}
}
if(count($plugins_arr)) {
foreach($plugins_arr as $p) {
if(! in_array($p, $installed_arr)) {
load_plugin($p);
}
}
}
load_hooks();
}
function fix_system_urls($oldurl, $newurl) {
require_once('include/crypto.php');
logger('fix_system_urls: renaming ' . $oldurl . ' to ' . $newurl);
// Basically a site rename, but this can happen if you change from http to https for instance - even if the site name didn't change
// This should fix URL changes on our site, but other sites will end up with orphan hublocs which they will try to contact and will
// cause wasted communications.
// What we need to do after fixing this up is to send a revocation of the old URL to every other site that we communicate with so
// that they can clean up their hubloc tables (this includes directories).
// It's a very expensive operation so you don't want to have to do it often or after your site gets to be large.
$r = q("select xchan.*, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_url like '%s'",
dbesc($oldurl . '%')
);
if($r) {
foreach($r as $rr) {
$channel_address = substr($rr['hubloc_addr'],0,strpos($rr['hubloc_addr'],'@'));
// get the associated channel. If we don't have a local channel, do nothing for this entry.
$c = q("select * from channel where channel_hash = '%s' limit 1",
dbesc($rr['hubloc_hash'])
);
if(! $c)
continue;
$parsed = @parse_url($newurl);
if(! $parsed)
continue;
$newhost = $parsed['host'];
// sometimes parse_url returns unexpected results.
if(strpos($newhost,'/') !== false)
$newhost = substr($newhost,0,strpos($newhost,'/'));
$rhs = $newhost . (($parsed['port']) ? ':' . $parsed['port'] : '');
// paths aren't going to work. You have to be at the (sub)domain root
// . (($parsed['path']) ? $parsed['path'] : '');
// The xchan_url might point to another nomadic identity clone
$replace_xchan_url = ((strpos($rr['xchan_url'],$oldurl) !== false) ? true : false);
$x = q("update xchan set xchan_addr = '%s', xchan_url = '%s', xchan_connurl = '%s', xchan_follow = '%s', xchan_connpage = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_date = '%s' where xchan_hash = '%s'",
dbesc($channel_address . '@' . $rhs),
dbesc(($replace_xchan_url) ? str_replace($oldurl,$newurl,$rr['xchan_url']) : $rr['xchan_url']),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_connurl'])),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_follow'])),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_connpage'])),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_photo_l'])),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_photo_m'])),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_photo_s'])),
dbesc(datetime_convert()),
dbesc($rr['xchan_hash'])
);
$y = q("update hubloc set hubloc_addr = '%s', hubloc_url = '%s', hubloc_url_sig = '%s', hubloc_host = '%s', hubloc_callback = '%s' where hubloc_hash = '%s' and hubloc_url = '%s'",
dbesc($channel_address . '@' . $rhs),
dbesc($newurl),
dbesc(base64url_encode(rsa_sign($newurl,$c[0]['channel_prvkey']))),
dbesc($newhost),
dbesc($newurl . '/post'),
dbesc($rr['xchan_hash']),
dbesc($oldurl)
);
$z = q("update profile set photo = '%s', thumb = '%s' where uid = %d",
dbesc(str_replace($oldurl,$newurl,$rr['xchan_photo_l'])),
dbesc(str_replace($oldurl,$newurl,$rr['xchan_photo_m'])),
intval($c[0]['channel_id'])
);
proc_run('php', 'include/notifier.php', 'refresh_all', $c[0]['channel_id']);
}
}
}
// wrapper for adding a login box. If $register == true provide a registration
// link. This will most always depend on the value of $a->config['system']['register_policy'].
// returns the complete html for inserting into the page
function login($register = false, $form_id = 'main-login', $hiddens=false) {
$a = get_app();
$o = '';
$reg = false;
$reglink = get_config('system', 'register_link');
if(! strlen($reglink))
$reglink = 'register';
$reg = array(
'title' => t('Create an account to access services and applications within the Hubzilla'),
'desc' => t('Register'),
'link' => (($register) ? $reglink : 'pubsites')
);
$dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
if(local_channel()) {
$tpl = get_markup_template("logout.tpl");
}
else {
// There's no such thing as login_head.tpl, has never been in Red, removed from Friendica 1 Jun 2013...
// $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"), array(
// '$baseurl' => $a->get_baseurl(true)
// ));
$tpl = get_markup_template("login.tpl");
if(strlen($a->query_string))
$_SESSION['login_return_url'] = $a->query_string;
}
$o .= replace_macros($tpl,array(
'$dest_url' => $dest_url,
'$logout' => t('Logout'),
'$login' => t('Login'),
'$form_id' => $form_id,
'$lname' => array('username', t('Email') , '', ''),
'$lpassword' => array('password', t('Password'), '', ''),
'$remember' => array('remember', t('Remember me'), '', '',array(t('No'),t('Yes'))),
'$hiddens' => $hiddens,
'$register' => $reg,
'$lostpass' => t('Forgot your password?'),
'$lostlink' => t('Password Reset'),
));
call_hooks('login_hook', $o);
return $o;
}
/**
* @brief Used to end the current process, after saving session state.
*/
function killme() {
session_write_close();
exit;
}
/**
* @brief Redirect to another URL and terminate this process.
*/
function goaway($s) {
header("Location: $s");
killme();
}
/**
* @brief Returns the entity id of locally logged in account or false.
*
* Returns numeric account_id if authenticated or 0. It is possible to be
* authenticated and not connected to a channel.
*
* @return int|bool account_id or false
*/
function get_account_id() {
if(get_app()->account)
return intval(get_app()->account['account_id']);
return false;
}
/**
* @brief Returns the entity id (channel_id) of locally logged in channel or false.
*
* Returns authenticated numeric channel_id if authenticated and connected to
* a channel or 0. Sometimes referred to as $uid in the code.
*
* Before 2.1 this function was called local_user().
*
* @since 2.1
* @return int|bool channel_id or false
*/
function local_channel() {
if((x($_SESSION, 'authenticated')) && (x($_SESSION, 'uid')))
return intval($_SESSION['uid']);
return false;
}
/**
* local_user() got deprecated and replaced by local_channel().
*
* @deprecated since v2.1, use local_channel()
* @see local_channel()
*/
function local_user() {
logger('local_user() is DEPRECATED, use local_channel()');
return local_channel();
}
/**
* @brief Returns a xchan_hash (visitor_id) of remote authenticated visitor
* or false.
*
* Returns authenticated string hash of Red global identifier (xchan_hash), if
* authenticated via remote auth, or an empty string.
*
* Before 2.1 this function was called remote_user().
*
* @since 2.1
* @return string|bool visitor_id or false
*/
function remote_channel() {
if((x($_SESSION, 'authenticated')) && (x($_SESSION, 'visitor_id')))
return $_SESSION['visitor_id'];
return false;
}
/**
* remote_user() got deprecated and replaced by remote_channel().
*
* @deprecated since v2.1, use remote_channel()
* @see remote_channel()
*/
function remote_user() {
logger('remote_user() is DEPRECATED, use remote_channel()');
return remote_channel();
}
/**
* Contents of $s are displayed prominently on the page the next time
* a page is loaded. Usually used for errors or alerts.
*
* @param string $s Text to display
*/
function notice($s) {
$a = get_app();
if(! x($_SESSION, 'sysmsg')) $_SESSION['sysmsg'] = array();
// ignore duplicated error messages which haven't yet been displayed
// - typically seen as multiple 'permission denied' messages
// as a result of auto-reloading a protected page with &JS=1
if(in_array($s,$_SESSION['sysmsg']))
return;
if($a->interactive) {
$_SESSION['sysmsg'][] = $s;
}
}
/**
* Contents of $s are displayed prominently on the page the next time a page is
* loaded. Usually used for information.
* For error and alerts use notice().
*
* @param string $s Text to display
*/
function info($s) {
$a = get_app();
if(! x($_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() {
return(intval(get_config('system', 'max_import_size')));
}
/**
*
* Wrap calls to proc_close(proc_open()) and call hook
* so plugins can take part in process :)
*
* args:
* $cmd program to run
* next args are passed as $cmd command line
*
* e.g.: proc_run("ls","-la","/tmp");
*
* $cmd and string args are surrounded with ""
*/
function proc_run($cmd){
$a = get_app();
$args = func_get_args();
$newargs = array();
if(! count($args))
return;
// expand any arrays
foreach($args as $arg) {
if(is_array($arg)) {
foreach($arg as $n) {
$newargs[] = $n;
}
}
else
$newargs[] = $arg;
}
$args = $newargs;
$arr = array('args' => $args, 'run_cmd' => true);
call_hooks("proc_run", $arr);
if(! $arr['run_cmd'])
return;
if(count($args) && $args[0] === 'php')
$args[0] = ((x($a->config,'system')) && (x($a->config['system'],'php_path')) && (strlen($a->config['system']['php_path'])) ? $a->config['system']['php_path'] : 'php');
for($x = 0; $x < count($args); $x++)
$args[$x] = escapeshellarg($args[$x]);
$cmdline = implode($args," ");
if(is_windows()) {
$cwd = getcwd();
$cmd = "cmd /c start \"title\" /D \"$cwd\" /b $cmdline";
proc_close(proc_open($cmd, array(), $foo));
}
else
proc_close(proc_open($cmdline ." &", array(), $foo));
}
/**
* @brief Checks if we are running on M$ Windows.
*
* @return bool true if we run on M$ Windows
*/
function is_windows() {
return ((strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? true : false);
}
function current_theme(){
$app_base_themes = array('redbasic');
$a = get_app();
$page_theme = null;
// Find the theme that belongs to the channel whose stuff we are looking at
if($a->profile_uid && $a->profile_uid != local_channel()) {
$r = q("select channel_theme from channel where channel_id = %d limit 1",
intval($a->profile_uid)
);
if($r)
$page_theme = $r[0]['channel_theme'];
}
if(array_key_exists('theme', $a->layout) && $a->layout['theme'])
$page_theme = $a->layout['theme'];
// Allow folks to over-rule channel themes and always use their own on their own site.
// The default is for channel themes to take precedence over your own on pages belonging
// to that channel.
if($page_theme && local_channel() && local_channel() != $a->profile_url) {
if(get_pconfig(local_channel(),'system','always_my_theme'))
$page_theme = null;
}
$is_mobile = $a->is_mobile || $a->is_tablet;
$standard_system_theme = ((isset($a->config['system']['theme'])) ? $a->config['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 {
$system_theme = ((isset($a->config['system']['mobile_theme'])) ? $a->config['system']['mobile_theme'] : '');
$theme_name = ((isset($_SESSION) && x($_SESSION,'mobile_theme')) ? $_SESSION['mobile_theme'] : $system_theme);
if($theme_name === '' || $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;
}
}
}
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 . '/css/style.css') ||
file_exists('view/theme/' . $theme_name . '/php/style.php')))
return($theme_name);
foreach($app_base_themes as $t) {
if(file_exists('view/theme/' . $t . '/css/style.css') ||
file_exists('view/theme/' . $t . '/php/style.php'))
return($t);
}
$fallback = array_merge(glob('view/theme/*/css/style.css'),glob('view/theme/*/php/style.php'));
if(count($fallback))
return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
}
/**
* @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.
*
* @param bool $installing default false
*
* @return string
*/
function current_theme_url($installing = false) {
global $a;
$t = current_theme();
$opts = '';
$opts = (($a->profile_uid) ? '?f=&puid=' . $a->profile_uid : '');
$opts .= ((x($a->layout,'schema')) ? '&schema=' . $a->layout['schema'] : '');
if(file_exists('view/theme/' . $t . '/php/style.php'))
return('view/theme/' . $t . '/php/style.pcss' . $opts);
return('view/theme/' . $t . '/css/style.css');
}
/**
* @brief Check if current user has admin role.
*
* Check if the current user has ACCOUNT_ROLE_ADMIN.
*
* @return bool true if user is an admin
*/
function is_site_admin() {
$a = get_app();
if($_SESSION['delegate'])
return false;
if((intval($_SESSION['authenticated']))
&& (is_array($a->account))
&& ($a->account['account_roles'] & ACCOUNT_ROLE_ADMIN))
return true;
return false;
}
/**
* @brief Check if current user has developer role.
*
* Check if the current user has ACCOUNT_ROLE_DEVELOPER.
*
* @return bool true if user is a developer
*/
function is_developer() {
$a = get_app();
if((intval($_SESSION['authenticated']))
&& (is_array($a->account))
&& ($a->account['account_roles'] & ACCOUNT_ROLE_DEVELOPER))
return true;
return false;
}
function load_contact_links($uid) {
$a = get_app();
$ret = array();
if(! $uid || x($a->contacts,'empty'))
return;
// logger('load_contact_links');
$r = q("SELECT abook_id, abook_flags, abook_my_perms, abook_their_perms, xchan_hash, xchan_photo_m, xchan_name, xchan_url from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d ",
intval($uid)
);
if($r) {
foreach($r as $rr){
$ret[$rr['xchan_hash']] = $rr;
}
}
else
$ret['empty'] = true;
$a->contacts = $ret;
}
/**
* @brief Returns querystring as string from a mapped array.
*
* @param array $params mapped array with query parameters
* @param string $name of parameter, default null
*
* @return string
*/
function build_querystring($params, $name = null) {
$ret = '';
foreach($params as $key => $val) {
if(is_array($val)) {
if($name === null) {
$ret .= build_querystring($val, $key);
} else {
$ret .= build_querystring($val, $name . "[$key]");
}
} else {
$val = urlencode($val);
if($name != null) {
$ret .= $name . "[$key]" . "=$val&";
} else {
$ret .= "$key=$val&";
}
}
}
return $ret;
}
// much better way of dealing with c-style args
function argc() {
return get_app()->argc;
}
function argv($x) {
if(array_key_exists($x,get_app()->argv))
return get_app()->argv[$x];
return '';
}
function dba_timer() {
return microtime(true);
}
/**
* @brief Returns xchan_hash from the observer.
*
* @return string Empty if no observer, otherwise xchan_hash from observer
*/
function get_observer_hash() {
$observer = get_app()->get_observer();
if(is_array($observer))
return $observer['xchan_hash'];
return '';
}
/**
* 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;
}
/**
* @brief Returns a custom navigation by name???
*
* If no $navname provided load default page['nav']
*
* @todo not fully implemented yet
*
* @param App $a global application object
* @param string $navname
*
* @return mixed
*/
function get_custom_nav(&$a, $navname) {
if (! $navname)
return $a->page['nav'];
// load custom nav menu by name here
}
/**
* @brief Loads a page definition file for a module.
*
* If there is no parsed Comanche template already load a module's pdl file
* and parse it with Comanche.
*
* @param App &$a global application object
*/
function load_pdl(&$a) {
require_once('include/comanche.php');
if (! count($a->layout)) {
$arr = array('module' => $a->module, 'layout' => '');
call_hooks('load_pdl',$arr);
$s = $arr['layout'];
$n = 'mod_' . $a->module . '.pdl' ;
$u = comanche_get_channel_id();
if($u)
$s = get_pconfig($u, 'system', $n);
if((! $s) && (($p = theme_include($n)) != ''))
$s = @file_get_contents($p);
if($s) {
comanche_parser($a, $s);
$a->pdl = $s;
}
}
}
function exec_pdl(&$a) {
require_once('include/comanche.php');
if($a->pdl) {
comanche_parser($a, $a->pdl,1);
}
}
/**
* @brief build the page.
*
* Build the page - now that we have all the components
*
* @param App &$a global application object
*/
function construct_page(&$a) {
exec_pdl($a);
$comanche = ((count($a->layout)) ? true : false);
require_once(theme_include('theme_init.php'));
$installing = false;
if ($a->module == 'setup') {
$installing = true;
} else {
nav($a);
}
if ($comanche) {
if ($a->layout['nav']) {
$a->page['nav'] = get_custom_nav($a, $a->layout['nav']);
}
}
if (($p = theme_include(current_theme() . '.js')) != '')
head_add_js($p);
if (($p = theme_include('mod_' . $a->module . '.php')) != '')
require_once($p);
require_once('include/js_strings.php');
if (x($a->page, 'template_style'))
head_add_css($a->page['template_style'] . '.css');
else
head_add_css(((x($a->page, 'template')) ? $a->page['template'] : 'default' ) . '.css');
head_add_css('mod_' . $a->module . '.css');
head_add_css(current_theme_url($installing));
head_add_js('mod_' . $a->module . '.js');
$a->build_pagehead();
$arr = $a->get_widgets();
ksort($arr, SORT_NUMERIC);
if(count($arr)) {
foreach($arr as $x) {
if(! array_key_exists($x['location'], $a->page))
$a->page[$x['location']] = '';
$a->page[$x['location']] .= $x['html'];
}
}
// Let's say we have a comanche declaration '[region=nav][/region][region=content]$nav $content[/region]'.
// The text 'region=' identifies a section of the layout by that name. So what we want to do here is leave
// $a->page['nav'] empty and put the default content from $a->page['nav'] and $a->page['section']
// into a new region called $a->data['content']. It is presumed that the chosen layout file for this comanche page
// has a '<content>' element instead of a '<section>'.
// This way the Comanche layout can include any existing content, alter the layout by adding stuff around it or changing the
// layout completely with a new layout definition, or replace/remove existing content.
if($comanche) {
$arr = array('module' => $a->module, 'layout' => $a->layout);
call_hooks('construct_page', $arr);
$a->layout = $arr['layout'];
foreach($a->layout as $k => $v) {
if((strpos($k, 'region_') === 0) && strlen($v)) {
if(strpos($v, '$region_') !== false) {
$v = preg_replace_callback('/\$region_([a-zA-Z0-9]+)/ism', 'comanche_replace_region', $v);
}
// And a couple of convenience macros
if(strpos($v, '$htmlhead') !== false) {
$v = str_replace('$htmlhead', $a->page['htmlhead'], $v);
}
if(strpos($v, '$nav') !== false) {
$v = str_replace('$nav', $a->page['nav'], $v);
}
if(strpos($v, '$content') !== false) {
$v = str_replace('$content', $a->page['content'], $v);
}
$a->page[substr($k, 7)] = $v;
}
}
}
if($a->is_mobile || $a->is_tablet) {
if(isset($_SESSION['show_mobile']) && !$_SESSION['show_mobile']) {
$link = $a->get_baseurl() . '/toggle_mobile?f=&address=' . curPageURL();
}
else {
$link = $a->get_baseurl() . '/toggle_mobile?f=&off=1&address=' . curPageURL();
}
if ((isset($_SESSION) && $_SESSION['mobile_theme'] !='' && $_SESSION['mobile_theme'] !='---' ) ||
(isset($a->config['system']['mobile_theme']) && !isset($_SESSION['mobile_theme']))) {
$a->page['footer'] .= replace_macros(get_markup_template("toggle_mobile_footer.tpl"), array(
'$toggle_link' => $link,
'$toggle_text' => t('toggle mobile')
));
}
}
$page = $a->page;
$profile = $a->profile;
header("Content-type: text/html; charset=utf-8");
require_once(theme_include(
((x($a->page, 'template')) ? $a->page['template'] : 'default' ) . '.php' )
);
}
/**
* @brief Returns Hubzilla's root directory.
*
* @return string
*/
function appdirpath() {
return dirname(__FILE__);
}
/**
* @brief Set a pageicon.
*
* @param string $icon
*/
function head_set_icon($icon) {
global $a;
$a->data['pageicon'] = $icon;
// logger('head_set_icon: ' . $icon);
}
/**
* @brief Get the pageicon.
*
* @return string absolut path to pageicon
*/
function head_get_icon() {
global $a;
$icon = $a->data['pageicon'];
if(! strpos($icon, '://'))
$icon = z_root() . $icon;
return $icon;
}
/**
* @brief Return the Realm of the directory.
*
* @return string
*/
function get_directory_realm() {
if($x = get_config('system', 'directory_realm'))
return $x;
return DIRECTORY_REALM;
}
/**
* @brief Return the primary directory server.
*
* @return string
*/
function get_directory_primary() {
$dirmode = intval(get_config('system','directory_mode'));
if($dirmode == DIRECTORY_MODE_STANDALONE || $dirmode == DIRECTORY_MODE_PRIMARY) {
return z_root();
}
if($x = get_config('system', 'directory_primary'))
return $x;
return DIRECTORY_FALLBACK_MASTER;
}
/**
* @brief return relative date of last completed poller execution.
*/
function get_poller_runtime() {
$t = get_config('system', 'lastpoll');
return relative_date($t);
}
function z_get_upload_dir() {
$upload_dir = get_config('system','uploaddir');
if(! $upload_dir)
$upload_dir = ini_get('upload_tmp_dir');
if(! $upload_dir)
$upload_dir = sys_get_temp_dir();
return $upload_dir;
}
function z_get_temp_dir() {
$temp_dir = get_config('system','tempdir');
if(! $temp_dir)
$temp_dir = sys_get_temp_dir();
return $upload_dir;
}
function z_check_cert() {
$a = get_app();
if(strpos(z_root(),'https://') !== false) {
$x = z_fetch_url(z_root() . '/siteinfo/json');
if(! $x['success']) {
$recurse = 0;
$y = z_fetch_url(z_root() . '/siteinfo/json',false,$recurse,array('novalidate' => true));
if($y['success'])
cert_bad_email();
}
}
}
/**
* @brief Send email to admin if server has an invalid certificate.
*
* If a Hubzilla hub is available over https it must have a publicly valid
* certificate.
*/
function cert_bad_email() {
$a = get_app();
$email_tpl = get_intltext_template("cert_bad_eml.tpl");
$email_msg = replace_macros($email_tpl, array(
'$sitename' => $a->config['system']['sitename'],
'$siteurl' => $a->get_baseurl(),
'$error' => t('Website SSL certificate is not valid. Please correct.')
));
$subject = email_header_encode(sprintf(t('[hubzilla] Website SSL error for %s'), $a->get_hostname()));
mail($a->config['system']['admin_email'], $subject, $email_msg,
'From: Administrator' . '@' . $a->get_hostname() . "\n"
. 'Content-type: text/plain; charset=UTF-8' . "\n"
. 'Content-transfer-encoding: 8bit' );
}
/**
* @brief Send warnings every 3-5 days if cron is not running.
*/
function check_cron_broken() {
$t = get_config('system','lastpollcheck');
if(! $t) {
// never checked before. Start the timer.
set_config('system','lastpollcheck',datetime_convert());
return;
}
if($t > datetime_convert('UTC','UTC','now - 3 days')) {
// Wait for 3 days before we do anything so as not to swamp the admin with messages
return;
}
$d = get_config('system','lastpoll');
if(($d) && ($d > datetime_convert('UTC','UTC','now - 3 days'))) {
// Scheduled tasks have run successfully in the last 3 days.
set_config('system','lastpollcheck',datetime_convert());
return;
}
$a = get_app();
$email_tpl = get_intltext_template("cron_bad_eml.tpl");
$email_msg = replace_macros($email_tpl, array(
'$sitename' => $a->config['system']['sitename'],
'$siteurl' => $a->get_baseurl(),
'$error' => t('Cron/Scheduled tasks not running.'),
'$lastdate' => (($d)? $d : t('never'))
));
$subject = email_header_encode(sprintf(t('[hubzilla] Cron tasks not running on %s'), $a->get_hostname()));
mail($a->config['system']['admin_email'], $subject, $email_msg,
'From: Administrator' . '@' . $a->get_hostname() . "\n"
. 'Content-type: text/plain; charset=UTF-8' . "\n"
. 'Content-transfer-encoding: 8bit' );
set_config('system','lastpollcheck',datetime_convert());
return;
}
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