2010-01-13 03:57:15 +00:00
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<?php
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2010-01-13 07:56:21 +00:00
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/**
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2010-01-13 03:57:15 +00:00
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* StatusNet - the distributed open-source microblogging tool
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2010-01-13 07:56:21 +00:00
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* Copyright (C) 2009-2010 StatusNet, Inc.
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2010-01-13 03:57:15 +00:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2010-01-13 07:56:21 +00:00
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*
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2010-01-13 03:57:15 +00:00
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*/
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2010-01-13 07:56:21 +00:00
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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2010-01-13 03:57:15 +00:00
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global $config, $_server, $_path;
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/**
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* Global configuration setup and management.
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*/
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class StatusNet
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{
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protected static $have_config;
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2010-02-08 19:06:03 +00:00
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protected static $is_api;
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2011-03-16 22:53:46 +00:00
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protected static $is_ajax;
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2010-04-12 19:49:59 +01:00
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protected static $plugins = array();
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2010-01-13 03:57:15 +00:00
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/**
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* Configure and instantiate a plugin into the current configuration.
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* Class definitions will be loaded from standard paths if necessary.
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* Note that initialization events won't be fired until later.
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*
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* @param string $name class name & plugin file/subdir name
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* @param array $attrs key/value pairs of public attributes to set on plugin instance
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*
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* @throws ServerException if plugin can't be found
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*/
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2013-11-18 19:43:00 +00:00
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public static function addPlugin($name, array $attrs=array())
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2010-01-13 03:57:15 +00:00
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{
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$name = ucfirst($name);
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2013-11-18 19:04:00 +00:00
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if (isset(self::$plugins[$name])) {
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// We have already loaded this plugin. Don't try to
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// do it again with (possibly) different values.
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// Försten till kvarn får mala.
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return true;
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}
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2010-01-13 03:57:15 +00:00
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$pluginclass = "{$name}Plugin";
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if (!class_exists($pluginclass)) {
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$files = array("local/plugins/{$pluginclass}.php",
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"local/plugins/{$name}/{$pluginclass}.php",
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"local/{$pluginclass}.php",
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"local/{$name}/{$pluginclass}.php",
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"plugins/{$pluginclass}.php",
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"plugins/{$name}/{$pluginclass}.php");
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foreach ($files as $file) {
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$fullpath = INSTALLDIR.'/'.$file;
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if (@file_exists($fullpath)) {
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include_once($fullpath);
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break;
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}
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}
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if (!class_exists($pluginclass)) {
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2010-01-18 17:28:58 +00:00
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throw new ServerException("Plugin $name not found.", 500);
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2010-01-13 03:57:15 +00:00
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}
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}
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2013-11-18 19:43:00 +00:00
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// Doesn't this $inst risk being garbage collected or something?
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// TODO: put into a static array that makes sure $inst isn't lost.
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2010-01-13 03:57:15 +00:00
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$inst = new $pluginclass();
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2013-11-18 19:43:00 +00:00
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foreach ($attrs as $aname => $avalue) {
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$inst->$aname = $avalue;
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2010-01-13 03:57:15 +00:00
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}
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2010-04-12 19:49:59 +01:00
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// Record activated plugins for later display/config dump
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2013-11-18 19:04:00 +00:00
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self::$plugins[$name] = $attrs;
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2010-04-12 19:49:59 +01:00
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2010-01-13 03:57:15 +00:00
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return true;
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}
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2010-04-12 19:49:59 +01:00
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/**
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* Get a list of activated plugins in this process.
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* @return array of (string $name, array $args) pairs
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*/
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public static function getActivePlugins()
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{
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return self::$plugins;
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}
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2010-01-13 03:57:15 +00:00
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/**
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* Initialize, or re-initialize, StatusNet global configuration
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* and plugins.
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*
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* If switching site configurations during script execution, be
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* careful when working with leftover objects -- global settings
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* affect many things and they may not behave as you expected.
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*
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* @param $server optional web server hostname for picking config
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* @param $path optional URL path for picking config
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* @param $conffile optional configuration file path
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*
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* @throws NoConfigException if config file can't be found
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*/
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public static function init($server=null, $path=null, $conffile=null)
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{
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2011-03-30 22:18:29 +01:00
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Router::clear();
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2013-10-19 14:25:59 +01:00
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self::initDefaults($server, $path);
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self::loadConfigFile($conffile);
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2010-01-13 03:57:15 +00:00
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2011-08-27 05:10:24 +01:00
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$sprofile = common_config('site', 'profile');
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if (!empty($sprofile)) {
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2013-10-19 14:25:59 +01:00
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self::loadSiteProfile($sprofile);
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2011-08-27 05:10:24 +01:00
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}
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2010-01-13 03:57:15 +00:00
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// Load settings from database; note we need autoload for this
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Config::loadSettings();
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self::initPlugins();
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}
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2010-02-16 17:01:59 +00:00
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/**
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* Get identifier of the currently active site configuration
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* @return string
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*/
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public static function currentSite()
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{
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return common_config('site', 'nickname');
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}
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/**
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* Change site configuration to site specified by nickname,
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* if set up via Status_network. If not, sites other than
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* the current will fail horribly.
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*
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* May throw exception or trigger a fatal error if the given
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* site is missing or configured incorrectly.
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*
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* @param string $nickname
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*/
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public static function switchSite($nickname)
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{
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if ($nickname == StatusNet::currentSite()) {
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return true;
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}
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2013-08-18 12:04:58 +01:00
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$sn = Status_network::getKV('nickname', $nickname);
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2010-02-16 17:01:59 +00:00
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if (empty($sn)) {
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return false;
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throw new Exception("No such site nickname '$nickname'");
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}
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$server = $sn->getServerName();
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StatusNet::init($server);
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}
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/**
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* Pull all local sites from status_network table.
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*
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* Behavior undefined if site is not configured via Status_network.
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*
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* @return array of nicknames
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*/
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public static function findAllSites()
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{
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$sites = array();
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$sn = new Status_network();
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$sn->find();
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while ($sn->fetch()) {
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$sites[] = $sn->nickname;
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}
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return $sites;
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}
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2010-01-13 03:57:15 +00:00
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/**
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* Fire initialization events for all instantiated plugins.
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*/
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protected static function initPlugins()
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{
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2013-11-18 19:04:00 +00:00
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// User config may have already added some of these plugins, with
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// maybe configured parameters. The self::addPlugin function will
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// ignore the new call if it has already been instantiated.
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2013-10-19 13:35:04 +01:00
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// Load core plugins
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foreach (common_config('plugins', 'core') as $name => $params) {
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2013-11-18 19:04:00 +00:00
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call_user_func('self::addPlugin', $name, $params);
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2013-10-19 13:35:04 +01:00
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}
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2010-01-13 03:57:15 +00:00
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// Load default plugins
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foreach (common_config('plugins', 'default') as $name => $params) {
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2010-03-16 21:18:37 +00:00
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$key = 'disable-' . $name;
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if (common_config('plugins', $key)) {
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continue;
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}
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2010-01-13 03:57:15 +00:00
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if (is_null($params)) {
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2013-11-18 19:04:00 +00:00
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self::addPlugin($name);
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2010-01-13 03:57:15 +00:00
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} else if (is_array($params)) {
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if (count($params) == 0) {
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2013-11-18 19:04:00 +00:00
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self::addPlugin($name);
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2010-01-13 03:57:15 +00:00
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} else {
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$keys = array_keys($params);
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if (is_string($keys[0])) {
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2013-11-18 19:04:00 +00:00
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self::addPlugin($name, $params);
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2010-01-13 03:57:15 +00:00
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} else {
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foreach ($params as $paramset) {
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2013-11-18 19:04:00 +00:00
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self::addPlugin($name, $paramset);
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2010-01-13 03:57:15 +00:00
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}
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}
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}
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}
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}
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// XXX: if plugins should check the schema at runtime, do that here.
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if (common_config('db', 'schemacheck') == 'runtime') {
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Event::handle('CheckSchema');
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}
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// Give plugins a chance to initialize in a fully-prepared environment
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Event::handle('InitializePlugin');
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}
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/**
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* Quick-check if configuration has been established.
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* Useful for functions which may get used partway through
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* initialization to back off from fancier things.
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*
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* @return bool
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*/
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2013-08-18 19:37:33 +01:00
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public static function haveConfig()
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2010-01-13 03:57:15 +00:00
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{
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return self::$have_config;
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}
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2013-08-18 19:37:33 +01:00
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public static function isApi()
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2010-02-08 19:06:03 +00:00
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{
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return self::$is_api;
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}
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2010-10-14 05:16:23 +01:00
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2013-08-18 19:37:33 +01:00
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public static function setApi($mode)
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2010-02-08 19:06:03 +00:00
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{
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self::$is_api = $mode;
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}
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2013-08-18 19:37:33 +01:00
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public static function isAjax()
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2011-03-16 22:53:46 +00:00
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{
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return self::$is_ajax;
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}
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2013-08-18 19:37:33 +01:00
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public static function setAjax($mode)
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2011-03-16 22:53:46 +00:00
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{
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self::$is_ajax = $mode;
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}
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2010-01-13 03:57:15 +00:00
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/**
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* Build default configuration array
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* @return array
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*/
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protected static function defaultConfig()
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{
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global $_server, $_path;
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require(INSTALLDIR.'/lib/default.php');
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return $default;
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}
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/**
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* Establish default configuration based on given or default server and path
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* Sets global $_server, $_path, and $config
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*/
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2010-10-15 21:34:35 +01:00
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public static function initDefaults($server, $path)
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2010-01-13 03:57:15 +00:00
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{
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2013-09-23 21:27:17 +01:00
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global $_server, $_path, $config, $_PEAR;
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2010-01-13 03:57:15 +00:00
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Event::clearHandlers();
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2010-04-12 19:49:59 +01:00
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self::$plugins = array();
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2010-01-13 03:57:15 +00:00
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// try to figure out where we are. $server and $path
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// can be set by including module, else we guess based
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// on HTTP info.
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if (isset($server)) {
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$_server = $server;
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} else {
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$_server = array_key_exists('SERVER_NAME', $_SERVER) ?
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strtolower($_SERVER['SERVER_NAME']) :
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null;
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}
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if (isset($path)) {
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$_path = $path;
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} else {
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$_path = (array_key_exists('SERVER_NAME', $_SERVER) && array_key_exists('SCRIPT_NAME', $_SERVER)) ?
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self::_sn_to_path($_SERVER['SCRIPT_NAME']) :
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null;
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}
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// Set config values initially to default values
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$default = self::defaultConfig();
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$config = $default;
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// default configuration, overwritten in config.php
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// Keep DB_DataObject's db config synced to ours...
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2013-09-23 21:27:17 +01:00
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$config['db'] = &$_PEAR->getStaticProperty('DB_DataObject','options');
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2010-01-13 03:57:15 +00:00
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$config['db'] = $default['db'];
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if (function_exists('date_default_timezone_set')) {
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/* Work internally in UTC */
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date_default_timezone_set('UTC');
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}
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}
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2011-08-27 05:10:24 +01:00
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public static function loadSiteProfile($name)
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{
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global $config;
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$settings = SiteProfile::getSettings($name);
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2011-09-22 20:49:04 +01:00
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$config = array_merge($config, $settings);
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2011-08-27 05:10:24 +01:00
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}
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2013-08-19 13:26:44 +01:00
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protected static function _sn_to_path($sn)
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2010-01-13 03:57:15 +00:00
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{
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$past_root = substr($sn, 1);
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$last_slash = strrpos($past_root, '/');
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if ($last_slash > 0) {
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$p = substr($past_root, 0, $last_slash);
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} else {
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$p = '';
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}
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return $p;
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}
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/**
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* Load the default or specified configuration file.
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* Modifies global $config and may establish plugins.
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*
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* @throws NoConfigException
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*/
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2013-08-19 13:26:44 +01:00
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protected static function loadConfigFile($conffile=null)
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2010-01-13 03:57:15 +00:00
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{
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global $_server, $_path, $config;
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2010-01-13 07:56:21 +00:00
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2010-01-13 03:57:15 +00:00
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// From most general to most specific:
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// server-wide, then vhost-wide, then for a path,
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// finally for a dir (usually only need one of the last two).
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2010-01-13 07:56:21 +00:00
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2010-01-13 03:57:15 +00:00
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if (isset($conffile)) {
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$config_files = array($conffile);
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} else {
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$config_files = array('/etc/statusnet/statusnet.php',
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2010-01-13 07:56:21 +00:00
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'/etc/statusnet/laconica.php',
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'/etc/laconica/laconica.php',
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'/etc/statusnet/'.$_server.'.php',
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'/etc/laconica/'.$_server.'.php');
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2010-01-13 03:57:15 +00:00
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if (strlen($_path) > 0) {
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$config_files[] = '/etc/statusnet/'.$_server.'_'.$_path.'.php';
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$config_files[] = '/etc/laconica/'.$_server.'_'.$_path.'.php';
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}
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$config_files[] = INSTALLDIR.'/config.php';
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}
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self::$have_config = false;
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foreach ($config_files as $_config_file) {
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if (@file_exists($_config_file)) {
|
2010-10-12 21:00:03 +01:00
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// Ignore 0-byte config files
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if (filesize($_config_file) > 0) {
|
2011-12-03 17:31:47 +00:00
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common_log(LOG_INFO, "Including config file: " . $_config_file);
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2010-10-12 21:00:03 +01:00
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include($_config_file);
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self::$have_config = true;
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}
|
2010-01-13 03:57:15 +00:00
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}
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}
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if (!self::$have_config) {
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throw new NoConfigException("No configuration file found.",
|
2010-01-13 07:56:21 +00:00
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$config_files);
|
2010-01-13 03:57:15 +00:00
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}
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|
2011-12-03 16:45:56 +00:00
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// Check for database server; must exist!
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if (empty($config['db']['database'])) {
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throw new ServerException("No database server for this site.");
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}
|
2010-01-13 03:57:15 +00:00
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}
|
2010-10-14 05:16:23 +01:00
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|
/**
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|
* Are we running from the web with HTTPS?
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|
*
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|
* @return boolean true if we're running with HTTPS; else false
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|
|
|
*/
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|
static function isHTTPS()
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|
|
|
{
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|
|
|
// There are some exceptions to this; add them here!
|
2010-11-10 20:53:20 +00:00
|
|
|
if(empty($_SERVER['HTTPS'])) {
|
|
|
|
return false;
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|
|
|
} else {
|
|
|
|
return $_SERVER['HTTPS'] !== 'off';
|
|
|
|
}
|
2010-10-14 05:16:23 +01:00
|
|
|
}
|
2010-01-13 03:57:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
class NoConfigException extends Exception
|
|
|
|
{
|
2010-03-04 06:22:57 +00:00
|
|
|
public $configFiles;
|
2010-01-13 03:57:15 +00:00
|
|
|
|
2010-03-04 06:22:57 +00:00
|
|
|
function __construct($msg, $configFiles) {
|
2010-01-13 03:57:15 +00:00
|
|
|
parent::__construct($msg);
|
2010-03-04 06:22:57 +00:00
|
|
|
$this->configFiles = $configFiles;
|
2010-01-13 03:57:15 +00:00
|
|
|
}
|
|
|
|
}
|