gnu-social/lib/util/default.php

<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.

/**
 * @category  Config
 * @package   GNUsocial
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2008-2009, 2019 Free Software Foundation http://fsf.org
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */

defined('GNUSOCIAL') || die();

$default =
    array('site' =>
        array('name' => 'Just another GNU social node',
            'nickname' => 'gnusocial',
            'wildcard' => null,
            'server' => $_server,
            'theme' => 'neo-gnu',
            'path' => $_path,
            'logfile' => null,
            'logdebug' => false,
            'logo' => null,
            'ssllogo' => null,
            'logperf' => false, // Enable to dump performance counters to syslog
            'logperf_detail' => false, // Enable to dump every counter hit
            'fancy' => false,
            'locale_path' => INSTALLDIR . '/locale',
            'language' => 'en',
            'langdetect' => true,
            'languages' => get_all_languages(),
            'email' =>
                array_key_exists('SERVER_ADMIN', $_SERVER) ? $_SERVER['SERVER_ADMIN'] : null,
            'fakeaddressrecovery' => true,
            'broughtby' => null,
            'timezone' => 'UTC',
            'broughtbyurl' => null,
            'closed' => false,
            'inviteonly' => true,
            'private' => false,
            'ssl' => 'never',
            'sslproxy' => false,   // set to true to force GNU social to think it is HTTPS (i.e. using reverse proxy to enable it)
            'sslserver' => null,
            'dupelimit' => 60, // default for same person saying the same thing
            'textlimit' => 1000, // in chars; 0 == no limit
            'indent' => true,
            'use_x_sendfile' => false,
            'notice' => null, // site wide notice text
            'build' => 1, // build number, for code-dependent cache
        ),
        'security' =>
            array('hash_algos' => ['sha1', 'sha256', 'sha512'],   // set to null for anything that hash_hmac() can handle (and is in hash_algos())
            ),
        'db' =>
            array('database' => null, // must be set
                'schema_location' => INSTALLDIR . '/classes',
                'class_location' => INSTALLDIR . '/classes',
                'require_prefix' => 'classes/',
                'class_prefix' => '',
                'mirror' => null,
                'utf8' => true,
                'db_driver' => 'DB', # XXX: JanRain libs only work with DB
                'quote_identifiers' => true,
                'type' => 'mysql',
                'schemacheck' => 'runtime', // 'runtime' or 'script'
                'annotate_queries' => false, // true to add caller comments to queries, eg /* POST Notice::saveNew */
                'log_queries' => false, // true to log all DB queries
                'log_slow_queries' => 0, // if set, log queries taking over N seconds
                'mysql_foreign_keys' => false), // if set, enables experimental foreign key support on MySQL
        'fix' =>
            array('fancyurls' => true,   // makes sure aliases in WebFinger etc. are not f'd by index.php/ URLs
                'legacy_http' => false,   // set this to true if you have upgraded your site from http=>https
            ),
        'log' => [
            'debugtrace' => false,  // index.php handleError function, whether to include exception backtrace in log
        ],
        'syslog' =>
            array('appname' => 'statusnet', # for syslog
                'priority' => 'debug', # XXX: currently ignored
                'facility' => LOG_USER),
        'queue' =>
            array('enabled' => true,
                'daemon' => false, # Use queuedaemon. Default to false
                'threads' => null,    # an empty value here uses processor count to determine
                'subsystem' => 'db', # default to database, or 'stomp'
                'stomp_server' => null,
                'queue_basename' => '/queue/statusnet/',
                'control_channel' => '/topic/statusnet/control', // broadcasts to all queue daemons
                'stomp_username' => null,
                'stomp_password' => null,
                'stomp_persistent' => true, // keep items across queue server restart, if persistence is enabled
                'stomp_transactions' => true, // use STOMP transactions to aid in detecting failures (supported by ActiveMQ, but not by all)
                'stomp_acks' => true, // send acknowledgements after successful processing (supported by ActiveMQ, but not by all)
                'stomp_manual_failover' => true, // if multiple servers are listed, treat them as separate (enqueue on one randomly, listen on all)
                'monitor' => null, // URL to monitor ping endpoint (work in progress)
                'softlimit' => '90%', // total size or % of memory_limit at which to restart queue threads gracefully
                'spawndelay' => 1, // Wait at least N seconds between (re)spawns of child processes to avoid slamming the queue server with subscription startup
                'debug_memory' => false, // true to spit memory usage to log
                'breakout' => [], // List queue specifiers to break out when using Stomp queue.
                // Default will share all queues for all sites within each group.
                // Specify as <group>/<queue> or <group>/<queue>/<site>,
                // using nickname identifier as site.
                //
                // 'main/distrib' separate "distrib" queue covering all sites
                // 'xmpp/xmppout/mysite' separate "xmppout" queue covering just 'mysite'
                'max_retries' => 10, // drop messages after N failed attempts to process (Stomp)
                'dead_letter_dir' => false, // set to directory to save dropped messages into (Stomp)
            ),
        'license' =>
            array('type' => 'cc', # can be 'cc', 'allrightsreserved', 'private'
                'owner' => null, # can be name of content owner e.g. for enterprise
                'url' => 'https://creativecommons.org/licenses/by/3.0/',
                'title' => 'Creative Commons Attribution 3.0',
                'image' => $_path . '/theme/licenses/cc_by_3.0_80x15.png'),
        'mail' =>
            array('backend' => 'mail',
                'params' => null,
                'domain_check' => true),
        'nickname' =>
            array('blacklist' => [],
                'featured' => []),
        'profile' =>
            array('banned' => [],
                'biolimit' => null,
                'changenick' => false,
                'allowprivate' => false,  // whether to allow setting stream to private ("only followers can read")
                'backup' => false,    // can cause DoS, so should be done via CLI
                'restore' => false,
                'delete' => false,
                'move' => true),
        'image' =>
            array('jpegquality' => 85),
        'avatar' =>
            array('server' => null,
                'dir' => PUBLICDIR . '/avatar/',
                'path' => $_path . '/avatar/',
                'ssl' => null,
                'maxsize' => 300),
        'foaf' =>
            array(
                'mbox_sha1sum' => false,
            ),
        'public' =>
            array('localonly' => false,
                'blacklist' => [],
                'autosource' => []),
        'theme' =>
            array('server' => null,
                'dir' => null,
                'path' => null,
                'ssl' => null),
        'usertheme' =>
            array('linkcolor' => 'black',
                'backgroundcolor' => 'black'),
        'theme_upload' =>
            array('enabled' => extension_loaded('zip')),
        'javascript' =>
            array('server' => null,
                'path' => null,
                'ssl' => null,
                'bustframes' => true),
        'local' => // To override path/server for themes in 'local' dir (not currently applied to local plugins)
            array('server' => null,
                'dir' => null,
                'path' => null,
                'ssl' => null),
        'throttle' =>
            array('enabled' => false, // whether to throttle edits; false by default
                'count' => 20, // number of allowed messages in timespan
                'timespan' => 600), // timespan for throttling
        'invite' =>
            array('enabled' => true),
        'tag' =>
            array('dropoff' => 864000.0,   # controls weighting based on age
                'cutoff' => 86400 * 90), # only look at notices posted in last 90 days
        'popular' =>
            array('dropoff' => 864000.0,   # controls weighting based on age
                'cutoff' => 86400 * 90), # only look at notices favorited in last 90 days
        'daemon' =>
            array('piddir' => sys_get_temp_dir(),
                'user' => false,
                'group' => false),
        'emailpost' =>
            array('enabled' => false),
        'sms' =>
            array('enabled' => false),
        'twitterimport' =>
            array('enabled' => false),
        'integration' =>
            array('source' => 'StatusNet', # source attribute for Twitter
                'taguri' => null), # base for tag URIs
        'twitter' =>
            array('signin' => true,
                'consumer_key' => null,
                'consumer_secret' => null),
        'cache' =>
            array('base' => null),
        'ping' =>
            array('notify' => [],
                'timeout' => 2),
        'inboxes' =>
            array('enabled' => true), # ignored after 0.9.x
        'newuser' =>
            array('default' => null,
                'welcome' => null),
        'linkify' => array(
            // "bare" below means "without schema", like domain.com vs. https://domain.com
            'bare_domains' => false,  // convert domain.com to <a href="http://domain.com/" ...>domain.com</a> ?
            'bare_ipv4' => false,   // convert IPv4 addresses to hyperlinks?
            'bare_ipv6' => false,   // convert IPv6 addresses to hyperlinks?
        ),
        'attachments' =>
            array('server' => null,
                'dir' => INSTALLDIR . '/file/',
                'path' => $_path . '/file/',
                'sslserver' => null,
                'sslpath' => null,
                'ssl' => null,
                'supported' => array(
                    'application/vnd.oasis.opendocument.chart' => 'odc',
                    'application/vnd.oasis.opendocument.formula' => 'odf',
                    'application/vnd.oasis.opendocument.graphics' => 'odg',
                    'application/vnd.oasis.opendocument.graphics-template' => 'otg',
                    'application/vnd.oasis.opendocument.image' => 'odi',
                    'application/vnd.oasis.opendocument.presentation' => 'odp',
                    'application/vnd.oasis.opendocument.presentation-template' => 'otp',
                    'application/vnd.oasis.opendocument.spreadsheet' => 'ods',
                    'application/vnd.oasis.opendocument.spreadsheet-template' => 'ots',
                    'application/vnd.oasis.opendocument.text' => 'odt',
                    'application/vnd.oasis.opendocument.text-master' => 'odm',
                    'application/vnd.oasis.opendocument.text-template' => 'ott',
                    'application/vnd.oasis.opendocument.text-web' => 'oth',
                    'application/pdf' => 'pdf',
                    'application/zip' => 'zip',
                    'application/x-bzip2' => 'bz2',
                    'application/x-go-sgf' => 'sgf',
                    'application/xml' => 'xml',
                    'application/gpx+xml' => 'gpx',
                    image_type_to_mime_type(IMAGETYPE_PNG) => image_type_to_extension(IMAGETYPE_PNG),
                    image_type_to_mime_type(IMAGETYPE_JPEG) => image_type_to_extension(IMAGETYPE_JPEG),
                    image_type_to_mime_type(IMAGETYPE_GIF) => image_type_to_extension(IMAGETYPE_GIF),
                    'image/svg+xml' => 'svg', // No built-in constant
                    image_type_to_mime_type(IMAGETYPE_ICO) => image_type_to_extension(IMAGETYPE_ICO),
                    'audio/ogg' => 'ogg',
                    'audio/mpeg' => 'mpg',
                    'audio/x-speex' => 'spx',
                    'application/ogg' => 'ogx',
                    'text/plain' => 'txt',
                    'video/mpeg' => 'mpeg',
                    'video/mp4' => 'mp4',
                    'video/ogg' => 'ogv',
                    'video/quicktime' => 'mov',
                    'video/webm' => 'webm',
                ),
                'file_quota' => common_get_preferred_php_upload_limit(),
                'user_quota' => 50000000,
                'monthly_quota' => 15000000,
                'uploads' => true,
                'show_html' => false,  // show (filtered) text/html attachments (and oEmbed HTML etc.). Doesn't affect AJAX calls.
                'show_thumbs' => true, // show thumbnails in notice lists for uploaded images, and photos and videos linked remotely that provide oEmbed info
                'process_links' => true, // check linked resources for embeddable photos and videos; this will hit referenced external web sites when processing new messages.
                'extblacklist' => [],
                'memory_limit' => '1024M' // PHP's memory limit to use temporarily when handling images
            ),
        'thumbnail' => [
            'dir' => null,    // falls back to File::path('thumb') (equivalent to ['attachments']['dir'] .  '/thumb/')
            'path' => null,   // falls back to generating a URL with File::url('thumb/$filename') (equivalent to ['attachments']['path'] . '/thumb/')
            'server' => null, // Only used if ['thumbnail']['path'] is NOT empty, and then it falls back to ['site']['server'], schema is decided from GNUsocial::useHTTPS()

            'crop' => false,      // overridden to true if thumb height === null
            'maxsize' => 1000,     // thumbs with an edge larger than this will not be generated
            'width' => 450,
            'height' => 600,
            'upscale' => false,
            'animated' => false, // null="UseFileAsThumbnail", false="can use still frame". true requires ImageMagickPlugin
        ],
        'application' =>
            array('desclimit' => null),
        'group' =>
            array('maxaliases' => 3,
                'desclimit' => null,
                'addtag' => true),
        'peopletag' =>
            array('maxtags' => 100, // maximum number of tags a user can create.
                'maxpeople' => 500, // maximum no. of people with the same tag by the same user
                'allow_tagging' => array('all' => true), // equivalent to array('local' => true, 'remote' => true)
                'desclimit' => null),
        'search' =>
            array('type' => 'like'),
        'sessions' =>
            array('handle' => false,   // whether to handle sessions ourselves
                'debug' => false,    // debugging output for sessions
                'gc_limit' => 1000), // max sessions to expire at a time
        'htmlfilter' => [  // remove tags from user/remotely generated HTML if they are === true
            'img' => true,
            'video' => true,
            'audio' => true,
        ],
        'htmlpurifier' => [ // configurable options for HTMLPurifier
            'Cache.DefinitionImpl' => 'Serializer',
            'Cache.SerializerPath' => implode(DIRECTORY_SEPARATOR, [sys_get_temp_dir(), 'gnusocial']),
        ],
        'notice' =>
            array('contentlimit' => null,
                'allowprivate' => false,  // whether to allow users to "check the padlock" to publish notices available for their subscribers.
                'defaultscope' => null, // null means 1 if site/private, 0 otherwise
                'hidespam' => true), // Whether to hide silenced users from timelines
        'message' =>
            array('contentlimit' => null),
        'location' =>
            array('share' => 'user', // whether to share location; 'always', 'user', 'never'
                'sharedefault' => false),
        'logincommand' =>
            array('disabled' => true),
        'plugins' =>[
            'core' => [
                'Activity' => [],
                'ActivityModeration' => [],
                'ActivityVerb' => [],
                'ActivityVerbPost' => [],
                'AuthCrypt' => [],
                'Favorite' => [],
                'HTMLPurifierSchemes' => [],
                'Share' => [],
            ],
            'default' => [
                'AccountManager' => [],
                'AntiBrute' => [],
                'Blacklist' => [],
                'Bookmark' => [],
                'ClientSideShorten' => [],
                'Cronish' => [],
                'DefaultLayout' => [],
                'DirectionDetector' => [],
                'DirectMessage' => [],
                'Directory' => [],
                'EmailAuthentication' => [],
                'Embed' => [],
                'Event' => [],
                'LRDD' => [],
                'Nodeinfo' => [],
                'OpenID' => [],
                'OpportunisticQM' => [],
                'RemoteFollow' => [],
                'ActivityPub' => [], // The order is important here (IT HAS TO COME BEFORE OSTATUS)
                'OStatus' => [],
                'Poll' => [],
                'SimpleCaptcha' => [],
                'TagSub' => [],
                'UnQueue' => [],
                'WebFinger' => [],
            ],
            'locale_path' => false, // Set to a path to use *instead of* each plugin's own locale subdirectories
            'server' => null,
            'sslserver' => null,
            'path' => null,
            'sslpath' => null,
        ],
        'admin' =>
            array('panels' => array('site', 'user', 'paths', 'access', 'sessions', 'sitenotice', 'license', 'plugins')),
        'singleuser' =>
            array('enabled' => false,
                'nickname' => null),
        'robotstxt' =>
            array('crawldelay' => 0,
                'disallow' => array('main', 'settings', 'admin', 'search', 'message')
            ),
        'api' =>
            array('realm' => null),
        'nofollow' =>
            array('subscribers' => true,
                'members' => true,
                'peopletag' => true,
                'external' => 'sometimes'), // Options: 'sometimes', 'never', default = 'sometimes'
        'url' =>
            array('shortener' => 'internal',
                'maxurllength' => 100,
                'maxnoticelength' => -1),
        'http' => // HTTP client settings when contacting other sites
            array('ssl_cafile' => false, // To enable SSL cert validation, point to a CA bundle (eg '/usr/lib/ssl/certs/ca-certificates.crt') (this activates "ssl_verify_peer")
                'ssl_verify_host' => true,    // HTTPRequest2 makes sure this is set to CURLOPT_SSL_VERIFYHOST==2 if using curl
                'curl' => false, // Use CURL backend for HTTP fetches if available. (If not, PHP's socket streams will be used.)
                'connect_timeout' => 5,
                'timeout' => intval(ini_get('default_socket_timeout')),   // effectively should be this by default already, but this makes it more explicitly configurable for you users .)
                'proxy_host' => null,
                'proxy_port' => null,
                'proxy_user' => null,
                'proxy_password' => null,
                'proxy_auth_scheme' => null,
            ),
        'router' =>
            array('cache' => true), // whether to cache the router object. Defaults to true, turn off for devel
        'discovery' =>
            array('cors' => false), // Allow Cross-Origin Resource Sharing for service discovery (host-meta, XRD, etc.)
        'performance' => array('high' => false) // disable some features for higher performance; default false
    );