gnu-social/lib/common.php

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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, 2009, Control Yourself, Inc.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
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define('LACONICA_VERSION', '0.8.0dev');
define('AVATAR_PROFILE_SIZE', 96);
define('AVATAR_STREAM_SIZE', 48);
define('AVATAR_MINI_SIZE', 24);
define('NOTICES_PER_PAGE', 20);
define('PROFILES_PER_PAGE', 20);
define('FOREIGN_NOTICE_SEND', 1);
define('FOREIGN_NOTICE_RECV', 2);
define('FOREIGN_NOTICE_SEND_REPLY', 4);
define('FOREIGN_FRIEND_SEND', 1);
define('FOREIGN_FRIEND_RECV', 2);
define_syslog_variables();
# append our extlib dir as the last-resort place to find libs
set_include_path(get_include_path() . PATH_SEPARATOR . INSTALLDIR . '/extlib/');
# global configuration object
require_once('PEAR.php');
require_once('DB/DataObject.php');
require_once('DB/DataObject/Cast.php'); # for dates
require_once(INSTALLDIR.'/lib/language.php');
// This gets included before the config file, so that admin code and plugins
// can use it
require_once(INSTALLDIR.'/lib/event.php');
require_once(INSTALLDIR.'/lib/plugin.php');
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function _sn_to_path($sn)
{
$past_root = substr($sn, 1);
$last_slash = strrpos($past_root, '/');
if ($last_slash > 0) {
$p = substr($past_root, 0, $last_slash);
} else {
$p = '';
}
return $p;
}
// try to figure out where we are. $server and $path
// can be set by including module, else we guess based
// on HTTP info.
if (isset($server)) {
$_server = $server;
} else {
$_server = array_key_exists('SERVER_NAME', $_SERVER) ?
strtolower($_SERVER['SERVER_NAME']) :
null;
}
if (isset($path)) {
$_path = $path;
} else {
$_path = array_key_exists('SCRIPT_NAME', $_SERVER) ?
_sn_to_path($_SERVER['SCRIPT_NAME']) :
null;
}
// default configuration, overwritten in config.php
$config =
array('site' =>
array('name' => 'Just another Laconica microblog',
'server' => $_server,
'theme' => 'default',
'design' =>
array('backgroundcolor' => '#CEE1E9',
'contentcolor' => '#FFFFFF',
'sidebarcolor' => '#C8D1D5',
'textcolor' => '#000000',
'linkcolor' => '#002E6E',
'backgroundimage' => null,
'disposition' => 1),
'path' => $_path,
'logfile' => null,
'logo' => null,
'logdebug' => false,
'fancy' => false,
'locale_path' => INSTALLDIR.'/locale',
'language' => 'en_US',
'languages' => get_all_languages(),
'email' =>
array_key_exists('SERVER_ADMIN', $_SERVER) ? $_SERVER['SERVER_ADMIN'] : null,
'broughtby' => null,
'timezone' => 'UTC',
'broughtbyurl' => null,
'closed' => false,
'inviteonly' => false,
'private' => false,
'ssl' => 'never',
'sslserver' => null,
'dupelimit' => 60), # default for same person saying the same thing
'syslog' =>
array('appname' => 'laconica', # for syslog
'priority' => 'debug'), # XXX: currently ignored
'queue' =>
array('enabled' => false,
'subsystem' => 'db', # default to database, or 'stomp'
'stomp_server' => null,
'queue_basename' => 'laconica',
'stomp_username' => null,
'stomp_password' => null,
),
'license' =>
array('url' => 'http://creativecommons.org/licenses/by/3.0/',
'title' => 'Creative Commons Attribution 3.0',
'image' => 'http://i.creativecommons.org/l/by/3.0/80x15.png'),
'mail' =>
array('backend' => 'mail',
'params' => null),
'nickname' =>
array('blacklist' => array(),
'featured' => array()),
'profile' =>
array('banned' => array()),
'avatar' =>
array('server' => null,
'dir' => INSTALLDIR . '/avatar/',
'path' => $_path . '/avatar/'),
'background' =>
array('server' => null,
'dir' => INSTALLDIR . '/background/',
'path' => $_path . '/background/'),
'public' =>
array('localonly' => true,
'blacklist' => array(),
'autosource' => array()),
'theme' =>
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array('server' => null,
'dir' => null,
'path'=> 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
'xmpp' =>
array('enabled' => false,
'server' => 'INVALID SERVER',
'port' => 5222,
'user' => 'update',
'encryption' => true,
'resource' => 'uniquename',
'password' => 'blahblahblah',
'host' => null, # only set if != server
'debug' => false, # print extra debug info
'public' => array()), # JIDs of users who want to receive the public stream
'sphinx' =>
array('enabled' => false,
'server' => 'localhost',
'port' => 3312),
'tag' =>
array('dropoff' => 864000.0),
'popular' =>
array('dropoff' => 864000.0),
'daemon' =>
array('piddir' => '/var/run',
'user' => false,
'group' => false),
'twitterbridge' =>
array('enabled' => false),
'integration' =>
array('source' => 'Laconica', # source attribute for Twitter
'taguri' => $_server.',2009'), # base for tag URIs
'memcached' =>
array('enabled' => false,
'server' => 'localhost',
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'base' => null,
'port' => 11211),
'ping' =>
array('notify' => array()),
'inboxes' =>
array('enabled' => true), # on by default for new sites
'newuser' =>
array('subscribe' => null,
'welcome' => null),
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'snapshot' =>
array('run' => 'web',
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'frequency' => 10000,
'reporturl' => 'http://laconi.ca/stats/report'),
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'attachments' =>
array('server' => null,
'dir' => INSTALLDIR . '/file/',
'path' => $_path . '/file/',
'supported' => array('image/png',
'image/jpeg',
'image/gif',
'image/svg+xml',
'audio/mpeg',
'audio/x-speex',
'application/ogg',
'application/pdf',
'application/vnd.oasis.opendocument.text',
'application/vnd.oasis.opendocument.text-template',
'application/vnd.oasis.opendocument.graphics',
'application/vnd.oasis.opendocument.graphics-template',
'application/vnd.oasis.opendocument.presentation',
'application/vnd.oasis.opendocument.presentation-template',
'application/vnd.oasis.opendocument.spreadsheet',
'application/vnd.oasis.opendocument.spreadsheet-template',
'application/vnd.oasis.opendocument.chart',
'application/vnd.oasis.opendocument.chart-template',
'application/vnd.oasis.opendocument.image',
'application/vnd.oasis.opendocument.image-template',
'application/vnd.oasis.opendocument.formula',
'application/vnd.oasis.opendocument.formula-template',
'application/vnd.oasis.opendocument.text-master',
'application/vnd.oasis.opendocument.text-web',
'application/x-zip',
'application/zip',
'text/plain',
'video/mpeg',
'video/mp4',
'video/quicktime',
'video/mpeg'),
'file_quota' => 5000000,
'user_quota' => 50000000,
'monthly_quota' => 15000000,
'uploads' => true,
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'filecommand' => '/usr/bin/file',
),
'group' =>
array('maxaliases' => 3),
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'oohembed' => array('endpoint' => 'http://oohembed.com/oohembed/'),
'search' =>
array('type' => 'fulltext'),
);
$config['db'] = &PEAR::getStaticProperty('DB_DataObject','options');
$config['db'] =
array('database' => 'YOU HAVE TO SET THIS IN config.php',
'schema_location' => INSTALLDIR . '/classes',
'class_location' => INSTALLDIR . '/classes',
'require_prefix' => 'classes/',
'class_prefix' => '',
'mirror' => null,
'utf8' => true,
'db_driver' => 'DB', # XXX: JanRain libs only work with DB
'quote_identifiers' => false,
'type' => 'mysql' );
if (function_exists('date_default_timezone_set')) {
/* Work internally in UTC */
date_default_timezone_set('UTC');
}
// From most general to most specific:
// server-wide, then vhost-wide, then for a path,
// finally for a dir (usually only need one of the last two).
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if (isset($conffile)) {
$_config_files = array($conffile);
} else {
$_config_files = array('/etc/laconica/laconica.php',
'/etc/laconica/'.$_server.'.php');
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if (strlen($_path) > 0) {
$_config_files[] = '/etc/laconica/'.$_server.'_'.$_path.'.php';
}
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$_config_files[] = INSTALLDIR.'/config.php';
}
$_have_a_config = false;
foreach ($_config_files as $_config_file) {
if (@file_exists($_config_file)) {
include_once($_config_file);
$_have_a_config = true;
}
}
function _have_config()
{
global $_have_a_config;
return $_have_a_config;
}
// XXX: Throw a conniption if database not installed
// Fixup for laconica.ini
$_db_name = substr($config['db']['database'], strrpos($config['db']['database'], '/') + 1);
if ($_db_name != 'laconica' && !array_key_exists('ini_'.$_db_name, $config['db'])) {
$config['db']['ini_'.$_db_name] = INSTALLDIR.'/classes/laconica.ini';
}
// XXX: how many of these could be auto-loaded on use?
require_once 'Validate.php';
require_once 'markdown.php';
require_once INSTALLDIR.'/lib/util.php';
require_once INSTALLDIR.'/lib/action.php';
require_once INSTALLDIR.'/lib/theme.php';
require_once INSTALLDIR.'/lib/mail.php';
require_once INSTALLDIR.'/lib/subs.php';
require_once INSTALLDIR.'/lib/Shorturl_api.php';
require_once INSTALLDIR.'/lib/twitter.php';
require_once INSTALLDIR.'/lib/clientexception.php';
require_once INSTALLDIR.'/lib/serverexception.php';
// XXX: other formats here
define('NICKNAME_FMT', VALIDATE_NUM.VALIDATE_ALPHA_LOWER);
function __autoload($class)
{
if ($class == 'OAuthRequest') {
require_once('OAuth.php');
} else if (file_exists(INSTALLDIR.'/classes/' . $class . '.php')) {
require_once(INSTALLDIR.'/classes/' . $class . '.php');
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} else if (file_exists(INSTALLDIR.'/lib/' . strtolower($class) . '.php')) {
require_once(INSTALLDIR.'/lib/' . strtolower($class) . '.php');
} else if (mb_substr($class, -6) == 'Action' &&
file_exists(INSTALLDIR.'/actions/' . strtolower(mb_substr($class, 0, -6)) . '.php')) {
require_once(INSTALLDIR.'/actions/' . strtolower(mb_substr($class, 0, -6)) . '.php');
}
}
// Give plugins a chance to initialize in a fully-prepared environment
Event::handle('InitializePlugin');