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mt.php
997 lines (890 loc) · 35.4 KB
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mt.php
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<?php
# Movable Type (r) (C) 2004-2014 Six Apart, Ltd. All Rights Reserved.
# This code cannot be redistributed without permission from www.sixapart.com.
# For more information, consult your Movable Type license.
#
# $Id$
/***
* Loading exception classes
*/
require_once('lib/class.exception.php');
define('VERSION', '6.0');
define('PRODUCT_VERSION', '6.0.8');
define('DATA_API_DEFAULT_VERSION', '1');
$PRODUCT_NAME = '__PRODUCT_NAME__';
if($PRODUCT_NAME == '__PRODUCT' . '_NAME__')
$PRODUCT_NAME = 'Movable Type';
define('PRODUCT_NAME', $PRODUCT_NAME);
$RELEASE_NUMBER = '__RELEASE_NUMBER__';
if ( $RELEASE_NUMBER == '__RELEASE_' . 'NUMBER__' )
$RELEASE_NUMBER = 8;
define('RELEASE_NUMBER', $RELEASE_NUMBER);
$PRODUCT_VERSION_ID = '__PRODUCT_VERSION_ID__';
if ( $PRODUCT_VERSION_ID == '__PRODUCT_' . 'VERSION_ID__' )
$PRODUCT_VERSION_ID = PRODUCT_VERSION;
$VERSION_STRING;
if ( $RELEASE_NUMBER > 0 )
$VERSION_STRING = $PRODUCT_VERSION_ID . "." . $RELEASE_NUMBER;
else
$VERSION_STRING = $PRODUCT_VERSION_ID;
define('VERSION_ID', $PRODUCT_VERSION_ID);
global $Lexicon;
$Lexicon = array();
class MT {
protected $mime_types = array(
'__default__' => 'text/html',
'css' => 'text/css',
'txt' => 'text/plain',
'rdf' => 'text/xml',
'rss' => 'text/xml',
'xml' => 'text/xml',
);
protected $blog_id;
protected $db;
protected $config;
protected $debugging = false;
protected $caching = false;
protected $conditional = false;
protected $log = array();
protected $warning = array();
protected $id;
protected $request;
protected $http_error;
protected $cfg_file;
private $cache_driver = null;
private static $_instance = null;
static public $config_type_array = array('pluginpath', 'alttemplate', 'outboundtrackbackdomains', 'memcachedservers', 'userpasswordvalidation');
static public $config_type_hash = array('pluginswitch', 'pluginschemaversion', 'commenterregistration');
/***
* Constructor for MT class.
* Currently, constructor moved to private method because this class implemented Singleton Design Pattern.
* You can get instance as following code.
*
* $mt = MT::get_instance();
*/
private function __construct($blog_id = null, $cfg_file = null) {
error_reporting(E_ALL ^ E_NOTICE ^ E_WARNING);
try {
$this->id = md5(uniqid('MT',true));
$this->init($blog_id, $cfg_file);
} catch (Exception $e ) {
throw new MTInitException( $e, $this->debugging );
}
}
public static function get_instance($blog_id = null, $cfg_file = null) {
if (is_null(MT::$_instance)) {
MT::$_instance = new MT($blog_id, $cfg_file);
}
return MT::$_instance;
}
public function caching($val = null) {
if ( !is_null($val) ) {
$this->caching = $val;
}
return $this->caching;
}
public function conditional($val = null) {
if ( !is_null($val) ) {
$this->conditional = $val;
}
return $this->conditional;
}
public function blog_id() {
return $this->blog_id;
}
function init($blog_id = null, $cfg_file = null) {
if (isset($blog_id)) {
$this->blog_id = $blog_id;
}
if (!file_exists($cfg_file)) {
$mtdir = dirname(dirname(__FILE__));
$cfg_file = $mtdir . DIRECTORY_SEPARATOR . "mt-config.cgi";
}
$this->configure($cfg_file);
$this->init_addons();
$this->configure_from_db();
$lang = substr(strtolower($this->config('DefaultLanguage')), 0, 2);
if (!@include_once("l10n_$lang.php"))
include_once("l10n_en.php");
if (extension_loaded('mbstring')) {
$charset = $this->config('PublishCharset');
mb_internal_encoding($charset);
mb_http_output($charset);
}
}
function init_addons() {
$mtdir = dirname(dirname(__FILE__));
$path = $mtdir . DIRECTORY_SEPARATOR . "addons";
if (is_dir($path)) {
$ctx =& $this->context();
if ($dh = opendir($path)) {
while (($file = readdir($dh)) !== false) {
if ($file == "." || $file == "..") {
continue;
}
$plugin_dir = $path . DIRECTORY_SEPARATOR . $file
. DIRECTORY_SEPARATOR . 'php';
if (is_dir($plugin_dir))
$ctx->add_plugin_dir($plugin_dir);
}
closedir($dh);
}
}
}
function init_plugins() {
$plugin_paths = $this->config('PluginPath');
$ctx =& $this->context();
foreach ($plugin_paths as $path) {
if ( !is_dir($path) )
$path = $this->config('MTDir') . DIRECTORY_SEPARATOR . $path;
if ($dh = @opendir($path)) {
while (($file = readdir($dh)) !== false) {
if ($file == "." || $file == "..")
continue;
$plugin_dir = $path . DIRECTORY_SEPARATOR . $file
. DIRECTORY_SEPARATOR . 'php';
if (is_dir($plugin_dir))
$ctx->add_plugin_dir($plugin_dir);
}
closedir($dh);
}
}
$plugin_dir = $this->config('PHPDir') . DIRECTORY_SEPARATOR
. 'plugins';
if (is_dir($plugin_dir))
$ctx->add_plugin_dir($plugin_dir);
# Load any php directories found during the 'init_addons' loop
foreach ($ctx->plugins_dir as $plugin_dir)
if (is_dir($plugin_dir))
$this->load_plugin($plugin_dir);
}
function load_plugin($plugin_dir) {
$ctx =& $this->context();
// global filters have to be handled differently from
// tag attributes, so this causes them to be recognized
// as they should...
if ($dh = opendir($plugin_dir)) {
while (($file = readdir($dh)) !== false) {
if (preg_match('/^modifier\.(.+?)\.php$/', $file, $matches)) {
$ctx->add_global_filter($matches[1]);
} elseif (preg_match('/^init\.(.+?)\.php$/', $file, $matches)) {
// load 'init' plugin file
require_once($file);
}
}
closedir($dh);
}
}
public function cfg_file() {
return $this->cfg_file;
}
/***
* Retreives a handle to the database and assigns it to
* the member variable 'db'.
*/
function &db() {
if (!isset($this->db)) {
require_once("mtdb.".$this->config('DBDriver').".php");
$mtdbclass = 'MTDatabase'.$this->config('DBDriver');
$this->db = new $mtdbclass($this->config('DBUser'),
$this->config('DBPassword'),
$this->config('Database'),
$this->config('DBHost'),
$this->config('DBPort'),
$this->config('DBSocket'),
$this->config('DBMaxRetries'),
$this->config('DBRetryInterval'));
}
return $this->db;
}
/***
* Retreives a handle to the cache driver.
*/
public function cache_driver() {
if (isset($this->cache_driver)) return $this->cache_driver;
# Check for memcached enabled
require_once("class.basecache.php");
try {
$this->cache_driver = CacheProviderFactory::get_provider('memcached');
} catch (Exception $e) {
# Memcached not supported.
$this->cache_driver = CacheProviderFactory::get_provider('session');
}
return $this->cache_driver;
}
public function config($id, $value = null) {
$id = strtolower($id);
if (isset($value))
$this->config[$id] = $value;
return isset($this->config[$id]) ? $this->config[$id] : null;
}
/***
* Loads configuration data from mt.cfg and mt-db-pass.cgi files.
* Stores content in the 'config' member variable.
*/
function configure($file = null) {
if (isset($this->config)) return $config;
$this->cfg_file = $file;
$cfg = array();
if ($fp = file($file)) {
foreach ($fp as $line) {
// search through the file
if (!preg_match('/^\s*\#/i',$line)) {
// ignore lines starting with the hash symbol
if (preg_match('/^\s*(\S+)\s+(.*)$/', $line, $regs)) {
$key = strtolower(trim($regs[1]));
$value = trim($regs[2]);
if (in_array($key, self::$config_type_array)) {
$cfg[$key][] = $value;
}
elseif (in_array($key, self::$config_type_hash)) {
$hash = preg_split('/\=/', $value, 2);
$cfg[$key][strtolower(trim($hash[0]))] = trim($hash[1]);
} else {
$cfg[$key] = $value;
}
}
}
}
} else {
die("Unable to open configuration file $file");
}
// setup directory locations
// location of mt.php
$cfg['phpdir'] = realpath(dirname(__FILE__));
// path to MT directory
$cfg['mtdir'] = realpath(dirname($file));
// path to handlers
$cfg['phplibdir'] = $cfg['phpdir'] . DIRECTORY_SEPARATOR . 'lib';
$driver = $cfg['objectdriver'];
$driver = preg_replace('/^DB[ID]::/', '', $driver);
$driver or $driver = 'mysql';
$cfg['dbdriver'] = strtolower($driver);
if ((strlen($cfg['database'])<1 || strlen($cfg['dbuser'])<1)) {
if (($cfg['dbdriver'] != 'sqlite') && ($cfg['dbdriver'] != 'mssqlserver') && ($cfg['dbdriver'] != 'umssqlserver')) {
die("Unable to read database or username");
}
}
if ( !empty( $cfg['debugmode'] ) && intval($cfg['debugmode']) > 0 ) {
$this->debugging = true;
}
$this->config =& $cfg;
$this->config_defaults();
// read in the database password
if (!isset($cfg['dbpassword'])) {
$db_pass_file = $cfg['mtdir'] . DIRECTORY_SEPARATOR . 'mt-db-pass.cgi';
if (file_exists($db_pass_file)) {
$password = implode('', file($db_pass_file));
$password = trim($password, "\n\r\0");
$cfg['dbpassword'] = $password;
}
}
// set up include path
// add MT-PHP 'plugins' and 'lib' directories to the front
// of the existing PHP include path:
if (strtoupper(substr(PHP_OS, 0,3) == 'WIN')) {
$path_sep = ';';
} else {
$path_sep = ':';
}
ini_set('include_path',
$cfg['phpdir'] . DIRECTORY_SEPARATOR . "lib" . $path_sep .
$cfg['phpdir'] . DIRECTORY_SEPARATOR . "extlib" . $path_sep .
$cfg['phpdir'] . DIRECTORY_SEPARATOR . "extlib" . DIRECTORY_SEPARATOR . "smarty" . DIRECTORY_SEPARATOR . "libs" . $path_sep .
$cfg['phpdir'] . DIRECTORY_SEPARATOR . "extlib" . DIRECTORY_SEPARATOR . "adodb5" . $path_sep .
$cfg['phpdir'] . DIRECTORY_SEPARATOR . "extlib" . DIRECTORY_SEPARATOR . "FirePHPCore" . $path_sep .
ini_get('include_path')
);
// assign i18n defaults:
$lang = strtolower($cfg['defaultlanguage']);
if (! @include_once("i18n_$lang.php")) {
include_once("i18n_en_us.php");
}
foreach ($GLOBALS['i18n_default_settings'] as $k => $v) {
if (! isset($cfg[$k])) {
$cfg[$k] = $v;
}
}
}
function configure_from_db() {
$cfg =& $this->config;
$mtdb =& $this->db();
$db_config = $mtdb->fetch_config();
if ($db_config) {
$data = $db_config->data();
foreach ($data as $key => $value) {
$cfg[$key] = $value;
}
$mtdb->set_names($this);
}
if ( !empty( $cfg['debugmode'] ) && intval($cfg['debugmode']) > 0 ) {
$this->debugging = true;
}
}
function config_defaults() {
$cfg =& $this->config;
// assign defaults:
isset($cfg['cgipath']) or
$cfg['cgipath'] = '/cgi-bin/';
if (substr($cfg['cgipath'], strlen($cfg['cgipath']) - 1, 1) != '/')
$cfg['cgipath'] .= '/';
isset($cfg['staticwebpath']) or
$cfg['staticwebpath'] = $cfg['cgipath'] . 'mt-static/';
isset($cfg['trackbackscript']) or
$cfg['trackbackscript'] = 'mt-tb.cgi';
isset($cfg['adminscript']) or
$cfg['adminscript'] = 'mt.cgi';
isset($cfg['commentscript']) or
$cfg['commentscript'] = 'mt-comments.cgi';
isset($cfg['atomscript']) or
$cfg['atomscript'] = 'mt-atom.cgi';
isset($cfg['xmlrpcscript']) or
$cfg['xmlrpcscript'] = 'mt-xmlrpc.cgi';
isset($cfg['searchscript']) or
$cfg['searchscript'] = 'mt-search.cgi';
isset($cfg['defaultlanguage']) or
$cfg['defaultlanguage'] = 'en_US';
isset($cfg['globalsanitizespec']) or
$cfg['globalsanitizespec'] = 'a href,b,i,br/,p,strong,em,ul,ol,li,blockquote,pre';
isset($cfg['signonurl']) or
$cfg['signonurl'] = 'https://www.typekey.com/t/typekey/login?';
isset($cfg['signoffurl']) or
$cfg['signoffurl'] = 'https://www.typekey.com/t/typekey/logout?';
isset($cfg['identityurl']) or
$cfg['identityurl'] = 'http://profile.typekey.com/';
isset($cfg['publishcommentericon']) or
$cfg['publishcommentericon'] = '1';
isset($cfg['allowcomments']) or
$cfg['allowcomments'] = '1';
isset($cfg['allowpings']) or
$cfg['allowpings'] = '1';
isset($cfg['indexbasename']) or
$cfg['indexbasename'] = 'index';
isset($cfg['typekeyversion']) or
$cfg['typekeyversion'] = '1.1';
isset($cfg['assetcachedir']) or
$cfg['assetcachedir'] = 'assets_c';
isset($cfg['userpicthumbnailsize']) or
$cfg['userpicthumbnailsize'] = '100';
isset($cfg['pluginpath']) or
$cfg['pluginpath'] = array($this->config('MTDir') . DIRECTORY_SEPARATOR . 'plugins');
isset($cfg['includesdir']) or
$cfg['includesdir'] = 'includes_c';
isset($cfg['searchmaxresults']) or
$cfg['searchmaxresults'] = '20';
isset($cfg['maxresults']) or
$cfg['maxresults'] = $cfg['searchmaxresults'];
isset($cfg['singlecommunity']) or
$cfg['singlecommunity'] = '1';
isset($cfg['usersessioncookiename']) or
$cfg['usersessioncookiename'] = 'DEFAULT';
isset($cfg['usersessioncookiedomain']) or
$cfg['usersessioncookiedomain'] = '<$MTBlogHost exclude_port="1"$>';
isset($cfg['usersessioncookiepath']) or
$cfg['usersessioncookiepath'] = 'DEFAULT';
isset($cfg['usersessioncookietimeout']) or
$cfg['usersessioncookietimeout'] = 60*60*4;
isset($cfg['commenterregistration']) or
$cfg['commenterregistration'] = array('allow' => 1 );
isset($cfg['userpasswordminlength']) or
$cfg['userpasswordminlength'] = 8;
isset($cfg['bulkloadmetaobjectslimit']) or
$cfg['bulkloadmetaobjectslimit'] = 100;
isset($cfg['dbmaxretries']) or
$cfg['dbmaxretries'] = 3;
isset($cfg['dbretryintercal']) or
$cfg['dbretryinterval'] = 1;
isset($cfg['dataapiscript']) or
$cfg['dataapiscript'] = 'mt-data-api.cgi';
}
function configure_paths($blog_site_path) {
if (preg_match('/^\./', $blog_site_path)) {
// relative address, so tack on the MT dir in front
$blog_site_path = $this->config('MTDir') .
DIRECTORY_SEPARATOR . $blog_site_path;
}
$this->config('PHPTemplateDir') or
$this->config('PHPTemplateDir', $blog_site_path .
DIRECTORY_SEPARATOR . 'templates');
$this->config('PHPCacheDir') or
$this->config('PHPCacheDir', $blog_site_path .
DIRECTORY_SEPARATOR . 'cache');
$ctx =& $this->context();
$ctx->template_dir = $this->config('PHPTemplateDir');
$ctx->compile_dir = $ctx->template_dir . '_c';
$ctx->cache_dir = $this->config('PHPCacheDir');
}
/***
* Mainline handler function.
*/
function view($blog_id = null) {
set_error_handler(array(&$this, 'error_handler'));
require_once("MTUtil.php");
$blog_id or $blog_id = $this->blog_id;
try {
$ctx =& $this->context();
$this->init_plugins();
$ctx->caching = $this->caching;
// Some defaults...
$mtdb =& $this->db();
$ctx->mt->db =& $mtdb;
} catch (Exception $e ) {
if ( $this->debugging ) {
$msg = "<b>Error:</b> ". $e->getMessage() ."<br>\n" .
"<pre>".$e->getTraceAsString()."</pre>";
return trigger_error( $msg, E_USER_ERROR);
}
header( "503 Service Unavailable" );
return false;
}
// User-specified request through request variable
$path = $this->request;
// Apache request
if (!$path && $_SERVER['REQUEST_URI']) {
$path = $_SERVER['REQUEST_URI'];
// strip off any query string...
$path = preg_replace('/\?.*/', '', $path);
// strip any duplicated slashes...
$path = preg_replace('!/+!', '/', $path);
}
// IIS request by error document...
if (preg_match('/IIS/', $_SERVER['SERVER_SOFTWARE'])) {
// assume 404 handler
if (preg_match('/^\d+;(.*)$/', $_SERVER['QUERY_STRING'], $matches)) {
$path = $matches[1];
$path = preg_replace('!^http://[^/]+!', '', $path);
if (preg_match('/\?(.+)?/', $path, $matches)) {
$_SERVER['QUERY_STRING'] = $matches[1];
$path = preg_replace('/\?.*$/', '', $path);
}
}
}
// now set the path so it may be queried
$path = preg_replace('/\\\\/', '\\\\\\\\', $path );
$this->request = $path;
$pathinfo = pathinfo($path);
$ctx->stash('_basename', $pathinfo['filename']);
// When we are invoked as an ErrorDocument, the parameters are
// in the environment variables REDIRECT_*
if (isset($_SERVER['REDIRECT_QUERY_STRING'])) {
// todo: populate $_GET and QUERY_STRING with REDIRECT_QUERY_STRING
$_SERVER['QUERY_STRING'] = getenv('REDIRECT_QUERY_STRING');
}
if (preg_match('/\.(\w+)$/', $path, $matches)) {
$req_ext = strtolower($matches[1]);
}
$this->blog_id = $blog_id;
$data = $this->resolve_url($path);
if (!$data) {
// 404!
$this->http_error = 404;
header("HTTP/1.1 404 Not found");
return $ctx->error($this->translate("Page not found - [_1]", $path), E_USER_ERROR);
}
$fi_path = $data->fileinfo_url;
$fid = $data->fileinfo_id;
$at = $data->fileinfo_archive_type;
$ts = $data->fileinfo_startdate;
$tpl_id = $data->fileinfo_template_id;
$cat = $data->fileinfo_category_id;
$auth = $data->fileinfo_author_id;
$entry_id = $data->fileinfo_entry_id;
$blog_id = $data->fileinfo_blog_id;
$blog = $data->blog();
if ($at == 'index') {
$at = null;
$ctx->stash('index_archive', true);
} else {
$ctx->stash('index_archive', false);
}
$tmpl = $data->template();
$ctx->stash('template', $tmpl);
$tts = $tmpl->template_modified_on;
if ($tts) {
$tts = offset_time(datetime_to_timestamp($tts), $blog);
}
$ctx->stash('template_timestamp', $tts);
$ctx->stash('template_created_on', $tmpl->template_created_on);
$page_layout = $blog->blog_page_layout;
$columns = get_page_column($page_layout);
$vars =& $ctx->__stash['vars'];
$vars['page_columns'] = $columns;
$vars['page_layout'] = $page_layout;
if (isset($tmpl->template_identifier))
$vars[$tmpl->template_identifier] = 1;
$this->configure_paths($blog->site_path());
// start populating our stash
$ctx->stash('blog_id', $blog_id);
$ctx->stash('local_blog_id', $blog_id);
$ctx->stash('blog', $blog);
$ctx->stash('build_template_id', $tpl_id);
// conditional get support...
if ($this->caching) {
$this->cache_modified_check = true;
}
if ($this->conditional) {
$last_ts = $blog->blog_children_modified_on;
$last_modified = $ctx->_hdlr_date(array('ts' => $last_ts, 'format' => '%a, %d %b %Y %H:%M:%S GMT', 'language' => 'en', 'utc' => 1), $ctx);
$this->doConditionalGet($last_modified);
}
$cache_id = $blog_id.';'.$fi_path;
if (!$ctx->is_cached('mt:'.$tpl_id, $cache_id)) {
if (isset($at) && ($at != 'Category')) {
require_once("archive_lib.php");
try {
$archiver = ArchiverFactory::get_archiver($at);
} catch (Exception $e) {
// 404
$this->http_errr = 404;
header("HTTP/1.1 404 Not Found");
return $ctx->error($this->translate("Page not found - [_1]", $at), E_USER_ERROR);
}
$archiver->template_params($ctx);
}
if ($cat) {
$archive_category = $mtdb->fetch_category($cat);
$ctx->stash('category', $archive_category);
$ctx->stash('archive_category', $archive_category);
}
if ($auth) {
$archive_author = $mtdb->fetch_author($auth);
$ctx->stash('author', $archive_author);
$ctx->stash('archive_author', $archive_author);
}
if (isset($at)) {
if (($at != 'Category') && isset($ts)) {
list($ts_start, $ts_end) = $archiver->get_range($ts);
$ctx->stash('current_timestamp', $ts_start);
$ctx->stash('current_timestamp_end', $ts_end);
}
$ctx->stash('current_archive_type', $at);
}
if (isset($entry_id) && ($entry_id) && ($at == 'Individual' || $at == 'Page')) {
if ($at == 'Individual') {
$entry = $mtdb->fetch_entry($entry_id);
} elseif($at == 'Page') {
$entry = $mtdb->fetch_page($entry_id);
}
$ctx->stash('entry', $entry);
$ctx->stash('current_timestamp', $entry->entry_authored_on);
}
if ($at == 'Category') {
$vars =& $ctx->__stash['vars'];
$vars['archive_class'] = "category-archive";
$vars['category_archive'] = 1;
$vars['archive_template'] = 1;
$vars['archive_listing'] = 1;
$vars['module_category_archives'] = 1;
}
}
$this->set_canonical_url($ctx, $blog, $data);
$output = $ctx->fetch('mt:'.$tpl_id, $cache_id);
$this->http_error = 200;
header("HTTP/1.1 200 OK");
// content-type header-- need to supplement with charset
$content_type = $ctx->stash('content_type');
if (!isset($content_type)) {
$content_type = $this->mime_types['__default__'];
if ($req_ext && (isset($this->mime_types[$req_ext]))) {
$content_type = $this->mime_types[$req_ext];
}
}
$charset = $this->config('PublishCharset');
if (isset($charset)) {
if (!preg_match('/charset=/', $content_type))
$content_type .= '; charset=' . $charset;
}
header("Content-Type: $content_type");
// finally, issue output
$output = preg_replace('/^\s*/', '', $output);
echo $output;
// if warnings found, show it.
if (!empty($this->warning)) {
$this->_dump($this->warning);
}
# if ($this->debugging) {
# $this->log("Queries: ".$mtdb->num_queries);
# $this->log("Queries executed:");
# $queries = $mtdb->savedqueries;
# foreach ($queries as $q) {
# $this->log($q);
# }
# $this->log_dump();
# }
restore_error_handler();
}
function set_canonical_url($ctx, $blog, $fileinfo) {
if (preg_match('#(\A[^:]*://[^/]*)#', $blog->site_url(), $m)) {
$url = $m[1] . $fileinfo->url;
}
else {
$url = $fileinfo->url;
}
$ctx->stash('current_mapping_url', $url);
$templatemap = $fileinfo->templatemap();
if ($templatemap && ! $templatemap->is_preferred) {
$url = $ctx->tag('archivelink', array());
$ctx->stash('preferred_mapping_url', $url);
}
}
function resolve_url($path, $build_type = 3) {
$data = $this->db->resolve_url($path, $this->blog_id, $build_type);
if ( isset($data)
&& isset($data->fileinfo_entry_id)
&& is_numeric($data->fileinfo_entry_id)
) {
$tmpl_map = $data->templatemap();
if (strtolower($tmpl_map->templatemap_archive_type) == 'page') {
$entry = $this->db->fetch_page($data->fileinfo_entry_id);
} else {
$entry = $this->db->fetch_entry($data->fileinfo_entry_id);
}
if (!isset($entry) || $entry->entry_status != 2)
return;
}
return $data;
}
function doConditionalGet($last_modified) {
// Thanks to Simon Willison...
// http://simon.incutio.com/archive/2003/04/23/conditionalGet
// A PHP implementation of conditional get, see
// http://fishbowl.pastiche.org/archives/001132.html
$etag = '"'.md5($last_modified).'"';
// Send the headers
header("Last-Modified: $last_modified");
header("ETag: $etag");
// See if the client has provided the required headers
$if_modified_since = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ?
stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']) :
false;
$if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ?
stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) :
false;
if (!$if_modified_since && !$if_none_match) {
return;
}
// At least one of the headers is there - check them
if ($if_none_match && $if_none_match != $etag) {
return; // etag is there but doesn't match
}
if ($if_modified_since && $if_modified_since != $last_modified) {
return; // if-modified-since is there but doesn't match
}
// Nothing has changed since their last request - serve a 304 and exit
header('HTTP/1.1 304 Not Modified');
exit;
}
function display($tpl, $cid = null) {
$ctx =& $this->context();
$this->init_plugins();
$blog =& $ctx->stash('blog');
if (!$blog) {
$db =& $this->db();
$ctx->mt->db =& $db;
$blog = $db->fetch_blog($this->blog_id);
$ctx->stash('blog', $blog);
$ctx->stash('blog_id', $this->blog_id);
$ctx->stash('local_blog_id', $this->blog_id);
$this->configure_paths($blog->site_path());
}
return $ctx->display($tpl, $cid);
}
function fetch($tpl, $cid = null) {
$ctx =& $this->context();
$this->init_plugins();
$blog =& $ctx->stash('blog');
if (!$blog) {
$db =& $this->db();
$ctx->mt->db =& $db;
$blog = $db->fetch_blog($this->blog_id);
$ctx->stash('blog', $blog);
$ctx->stash('blog_id', $this->blog_id);
$ctx->stash('local_blog_id', $this->blog_id);
$this->configure_paths($blog->site_path());
}
return $ctx->fetch($tpl, $cid);
}
function _dump($dump) {
if ($_SERVER['REMOTE_ADDR']) {
// web view...
echo "<div class=\"debug\" style=\"border:1px solid red; margin:0.5em; padding: 0 1em; text-align:left; background-color:#ddd; color:#000\"><pre>";
echo implode("\n", $dump);
echo "</pre></div>\n\n";
} else {
// console view...
$stderr = fopen('php://stderr', 'w');
fwrite($stderr,implode("\n", $dump));
echo (implode("\n", $dump));
fclose($stderr);
}
}
function log_dump() {
$this->_dump($this->log);
}
function error_handler($errno, $errstr, $errfile, $errline) {
if ($errno & (E_ALL ^ E_NOTICE ^ E_WARNING)) {
if ( !empty( $this->db ) ) {
$errstr = encode_html_entities($errstr, ENT_COMPAT);
$errfile = encode_html_entities($errfile, ENT_COMPAT);
$mtphpdir = $this->config('PHPDir');
$ctx =& $this->context();
$ctx->stash('blog_id', $this->blog_id);
$ctx->stash('local_blog_id', $this->blog_id);
$ctx->stash('blog', $this->db->fetch_blog($this->blog_id));
if ( $this->debugging ) {
$ctx->stash('error_message', $errstr."<!-- file: $errfile; line: $errline; code: $errno -->");
$ctx->stash('error_code', $errno);
} else {
if ( 404 == $this->http_error) {
$ctx->stash('error_message', $errstr);
} else {
$ctx->stash('error_message', 'An error occurs.');
}
}
$http_error = $this->http_error;
if (!$http_error) {
$http_error = 500;
}
$ctx->stash('http_error', $http_error);
$ctx->stash('error_file', $errfile);
$ctx->stash('error_line', $errline);
$ctx->template_dir = $mtphpdir . DIRECTORY_SEPARATOR . 'tmpl';
$ctx->caching = 0;
$ctx->stash('StaticWebPath', $this->config('StaticWebPath'));
$ctx->stash('PublishCharset', $this->config('PublishCharset'));
$charset = $this->config('PublishCharset');
$out = $ctx->tag('Include', array('type' => 'dynamic_error', 'dynamic_error' => 1, 'system_template' => 1));
if (isset($out)) {
header("Content-type: text/html; charset=".$charset);
echo $out;
} else {
header("HTTP/1.1 500 Server Error");
header("Content-type: text/plain");
echo "Error executing error template.";
}
exit;
} else {
header( "HTTP/1.1 503 Service Unavailable" );
header("Content-type: text/plain");
echo "503 Service Unavailable\n\n";
if ( $this->debugging ) {
echo "Errno: $errno\n";
echo "Error: $errstr\n";
echo "File: $errfile Line: $errline\n";
}
exit;
}
}
}
/***
* Retrieves a context and rendering object.
*/
public function &context() {
static $ctx;
if (isset($ctx)) return $ctx;
require_once('MTViewer.php');
$ctx = new MTViewer($this);
$ctx->mt =& $this;
$mtphpdir = $this->config('PHPDir');
$mtlibdir = $this->config('PHPLibDir');
$ctx->compile_check = 1;
$ctx->caching = false;
$ctx->plugins_dir[] = $mtlibdir;
$ctx->plugins_dir[] = $mtphpdir . DIRECTORY_SEPARATOR . "plugins";
if ($this->debugging) {
$ctx->debugging_ctrl = 'URL';
$ctx->debug_tpl = $mtphpdir . DIRECTORY_SEPARATOR .
'extlib' . DIRECTORY_SEPARATOR .
'smarty' . DIRECTORY_SEPARATOR . "libs" . DIRECTORY_SEPARATOR .
'debug.tpl';
}
#if (isset($this->config('SafeMode')) && ($this->config('SafeMode'))) {
# // disable PHP support
# $ctx->php_handling = SMARTY_PHP_REMOVE;
#}
return $ctx;
}
function log($msg = null) {
$this->log[] = $msg;
}
function translate($str, $params = null) {
if ( ( $params !== null ) && ( !is_array($params) ) )
$params = array( $params );
return translate_phrase($str, $params);
}
function translate_templatized_item($str) {
return translate_phrase($str[1]);
}
function translate_templatized($tmpl) {
$cb = array($this, 'translate_templatized_item');
$out = preg_replace_callback('/<(?:_|mt)_trans phrase="(.+?)".*?>/i', $cb, $tmpl);
return $out;
}
function warning_log($str) {
$this->warning[] = $str;
}
function get_current_blog_id() {
return $this->blog_id;
}
}
function is_valid_email($addr) {
if (preg_match('/[ |\t|\r|\n]*\"?([^\"]+\"?@[^ <>\t]+\.[^ <>\t][^ <>\t]+)[ |\t|\r|\n]*/', $addr, $matches)) {
return $matches[1];
} else {
return 0;
}
}
$spam_protect_map = array(':' => ':', '@' => '@', '.' => '.');
function spam_protect($str) {
global $spam_protect_map;
return strtr($str, $spam_protect_map);
}
function offset_time($ts, $blog = null, $dir = null) {
if (isset($blog)) {
if (!is_object($blog)) {
global $mt;
$blog = $mt->db()->fetch_blog($blog);
}
$offset = $blog->blog_server_offset;
} else {
global $mt;
$offset = $mt->config('TimeOffset');
}
intval($offset) or $offset = 0;
$tsa = localtime($ts);
if ($tsa[8]) { // daylight savings offset
$offset++;
}
if ($dir == '-') {
$offset *= -1;
}
$ts += $offset * 3600;
return $ts;
}
function translate_phrase_param($str, $params = null) {
if (is_array($params)) {
if (strpos($str, '[_') !== false) {
for ($i = 1; $i <= count($params); $i++) {
$str = preg_replace("/\\[_$i\\]/", $params[$i-1], $str);
}
}
$start = 0;
while (preg_match("/\\[quant,_(\d+),([^\\],]*)(?:,([^\\],]*))?(?:,([^\\],]*))?\\]/", $str, $matches, PREG_OFFSET_CAPTURE, $start)) {
$id = $matches[1][0];
$num = $params[$id-1];
if ( ($num === 0) && (count($matches) > 4) ) {
$part = $matches[4][0];
}
elseif ( $num === 1 ) {
$part = $num . ' ' . $matches[2][0];
}
else {
$part = $num . ' ' . ( count($matches) > 3 ? $matches[3][0] : ( $matches[2][0] . 's' ) );
}
$str = substr_replace($str, $part, $matches[0][1], strlen($matches[0][0]));
$start = $matches[0][1] + strlen($part);
}
}
return $str;
}
?>