185 lines
5.2 KiB
PHP
185 lines
5.2 KiB
PHP
<?php
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/**
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* Initialises the most fundamental parts of bbPress
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*
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* You should not have to change this file, all configuration
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* should be possible in bb-config.php
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*
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* @package bbPress
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*/
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/**
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* Low level reasons to die
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*/
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// Die if PHP is not new enough
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if ( version_compare( PHP_VERSION, '4.3', '<' ) ) {
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die( sprintf( 'Your server is running PHP version %s but bbPress requires at least 4.3', PHP_VERSION ) );
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}
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// Modify error reporting levels to exclude PHP notices
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error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
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/**
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* bb_timer_start() - PHP 4 standard microtime start capture
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*
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* @access private
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* @global int $bb_timestart Seconds and Microseconds added together from when function is called
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* @return bool Always returns true
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*/
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function bb_timer_start()
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{
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global $bb_timestart;
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$mtime = explode( ' ', microtime() );
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$bb_timestart = $mtime[1] + $mtime[0];
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return true;
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}
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bb_timer_start();
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// Server detection
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/**
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* Whether the server software is Apache or something else
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* @global bool $is_apache
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*/
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$is_apache = ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Apache' ) !== false || strpos( $_SERVER['SERVER_SOFTWARE'], 'LiteSpeed' ) !== false);
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/**
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* Whether the server software is IIS or something else
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* @global bool $is_IIS
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*/
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$is_IIS = ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS' ) !== false || strpos( $_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer' ) !== false );
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/**
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* Whether the server software is IIS 7.X
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* @global bool $is_iis7
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*/
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$is_iis7 = ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.' ) !== false );
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/**
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* Stabilise $_SERVER variables in various PHP environments
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*/
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// Fix for IIS, which doesn't set REQUEST_URI
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if ( empty( $_SERVER['REQUEST_URI'] ) ) {
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// IIS Mod-Rewrite
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if (isset($_SERVER['HTTP_X_ORIGINAL_URL'])) {
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
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}
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// IIS Isapi_Rewrite
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else if (isset($_SERVER['HTTP_X_REWRITE_URL'])) {
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];
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}
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else
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{
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// Use ORIG_PATH_INFO if there is no PATH_INFO
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if ( !isset($_SERVER['PATH_INFO']) && isset($_SERVER['ORIG_PATH_INFO']) )
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$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];
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// Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice)
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if ( isset($_SERVER['PATH_INFO']) ) {
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if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] )
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$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];
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else
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$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];
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}
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// Append the query string if it exists and isn't null
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if (isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) {
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$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
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}
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}
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}
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// Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests
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if ( isset($_SERVER['SCRIPT_FILENAME']) && ( strpos($_SERVER['SCRIPT_FILENAME'], 'php.cgi') == strlen($_SERVER['SCRIPT_FILENAME']) - 7 ) )
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$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];
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// Fix for Dreamhost and other PHP as CGI hosts
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if (strpos($_SERVER['SCRIPT_NAME'], 'php.cgi') !== false)
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unset($_SERVER['PATH_INFO']);
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// Fix empty PHP_SELF
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$PHP_SELF = $_SERVER['PHP_SELF'];
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if ( empty($PHP_SELF) )
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$_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace("/(\?.*)?$/",'',$_SERVER["REQUEST_URI"]);
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/**
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* bbPress logging level constants - same as constants from BP_Log class
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*/
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define( 'BB_LOG_NONE', 0 );
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define( 'BB_LOG_FAIL', 1 );
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define( 'BB_LOG_ERROR', 2 );
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define( 'BB_LOG_WARNING', 4 );
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define( 'BB_LOG_NOTICE', 8 );
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define( 'BB_LOG_DEBUG', 16 );
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/**
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* Combination of all errors (excluding none and debug)
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*/
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define( 'BB_LOG_ALL', BB_LOG_FAIL + BB_LOG_ERROR + BB_LOG_WARNING + BB_LOG_NOTICE );
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/**
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* Define temporary $_bb_path as this files directory, then check for the special BB_PATH config file
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* which allows override of BB_PATH, but only outside of core files
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*/
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$_bb_path = dirname( __FILE__ ) . '/';
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$_bb_config_path = dirname( $_bb_path ) . '/bb-config-path.php';
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if ( file_exists( $_bb_config_path ) ) {
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include_once( $_bb_config_path );
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}
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if ( !defined( 'BB_PATH' ) ) {
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define( 'BB_PATH', $_bb_path );
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}
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unset( $_bb_path, $_bb_config_path );
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/**
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* The bbPress includes path relative to BB_PATH
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*/
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define( 'BB_INC', 'bb-includes/' );
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// Initialise $bb object
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$bb = new StdClass();
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if ( file_exists( BB_PATH . 'bb-config.php') ) {
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// The config file resides in BB_PATH
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require_once( BB_PATH . 'bb-config.php');
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// Load bb-settings.php
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require_once( BB_PATH . 'bb-settings.php' );
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} elseif ( file_exists( dirname( BB_PATH ) . '/bb-config.php') ) {
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// The config file resides one level below BB_PATH
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require_once( dirname( BB_PATH ) . '/bb-config.php' );
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// Load bb-settings.php
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require_once( BB_PATH . 'bb-settings.php' );
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} elseif ( !defined( 'BB_INSTALLING' ) || !BB_INSTALLING ) {
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// The config file doesn't exist and we aren't on the installation page
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// Cut to the chase, go to the installer and use it to deal with errors
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$install_uri = preg_replace( '|(/bb-admin)?/[^/]+?$|', '/', $_SERVER['PHP_SELF'] ) . 'bb-admin/install.php';
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header( 'Location: ' . $install_uri );
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die();
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}
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if ( isset( $_GET['doit'] ) && 'bb-subscribe' == $_GET['doit'] )
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require( BB_PATH . 'bb-includes/action.subscribe.php' );
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