%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Redirects when in WP Admin
* @param array $params
* @param bool $check_referrer
* @param string $page
*/
function w3_admin_redirect($params = array(), $check_referrer = false, $page = '') {
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$url = W3_Request::get_string('redirect');
$page_url = W3_Request::get_string('page');
if ($url == '') {
if ($check_referrer && !empty($_SERVER['HTTP_REFERER'])) {
$url = $_SERVER['HTTP_REFERER'];
} else {
$url = 'admin.php';
if (empty($page))
$page = $page_url;
$params = array_merge(array(
'page' => $page
), $params);
}
}
w3_redirect($url, $params);
}
/**
* Redirect function to current admin page with errors and messages specified
*
* @param array $params
* @param array $errors
* @param array $notes
* @param bool $check_referrer
* @return void
*/
function w3_admin_redirect_with_custom_messages($params, $errors = null, $notes = null, $check_referrer = false) {
if (empty($errors) && w3_admin_single_system_item($notes)) {
w3_admin_redirect(array_merge($params, array(
'w3tc_note' => $notes[0])), $check_referrer);
return;
}
if (w3_admin_single_system_item($errors) && empty($notes)) {
w3_admin_redirect(array_merge($params, array(
'w3tc_error' => $errors[0])), $check_referrer);
return;
}
$message_id = uniqid();
set_transient('w3tc_message.' . $message_id,
array('errors' => $errors, 'notes' => $notes), 600);
w3_admin_redirect(array_merge($params, array(
'w3tc_message' => $message_id)), $check_referrer);
}
/*
* Checks if contains single message item
*
* @param $a array
* @return boolean
*/
function w3_admin_single_system_item($a) {
if (!is_array($a) || count($a) != 1)
return false;
$pos = strpos($a[0], ' ');
if ($pos === false)
return true;
return false;
}
/**
* Save config, can't decline save process. (difference from action_save)
*
* Do some actions on config keys update
* Used in several places such as:
*
* 1. common config save
* 2. import settings
*
* @param W3_Config $current_config
* @param W3_Config $new_config
* @param W3_ConfigAdmin $new_config_admin
* @return bool
* @throws Exception
*/
function w3_config_save($current_config, $new_config, $new_config_admin) {
$master_config = ($new_config->is_master() ? $new_config : new W3_Config(true));
if ($master_config->get_integer('common.instance_id', 0) == 0) {
$master_config->set('common.instance_id', mt_rand());
if (!$new_config->is_master())
$master_config->save();
}
$old_config = new W3_Config();
$browsercache_dependencies = array();
if ($new_config->get_boolean('browsercache.enabled')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array(
'browsercache.cssjs.replace',
'browsercache.html.replace',
'browsercache.other.replace'
));
if ($new_config->get_boolean('browsercache.cssjs.replace')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array(
'browsercache.cssjs.compression',
'browsercache.cssjs.expires',
'browsercache.cssjs.lifetime',
'browsercache.cssjs.cache.control',
'browsercache.cssjs.cache.policy',
'browsercache.cssjs.etag',
'browsercache.cssjs.w3tc'
));
}
if ($new_config->get_boolean('browsercache.html.replace')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array(
'browsercache.html.compression',
'browsercache.html.expires',
'browsercache.html.lifetime',
'browsercache.html.cache.control',
'browsercache.html.cache.policy',
'browsercache.html.etag',
'browsercache.html.w3tc'
));
}
if ($new_config->get_boolean('browsercache.other.replace')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array(
'browsercache.other.compression',
'browsercache.other.expires',
'browsercache.other.lifetime',
'browsercache.other.cache.control',
'browsercache.other.cache.policy',
'browsercache.other.etag',
'browsercache.other.w3tc'
));
}
}
/**
* Show need empty page cache notification
*/
if ($new_config->get_boolean('pgcache.enabled')) {
$pgcache_dependencies = array_merge($browsercache_dependencies, array(
'pgcache.debug',
'dbcache.enabled',
'objectcache.enabled',
'minify.enabled',
'mobile.enabled',
'referrer.enabled'
));
if ($new_config->get_boolean('dbcache.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'dbcache.debug'
));
}
if ($new_config->get_boolean('objectcache.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'objectcache.debug'
));
}
if ($new_config->get_boolean('minify.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'minify.auto',
'minify.debug',
'minify.rewrite',
'minify.html.enable',
'minify.html.engine',
'minify.html.inline.css',
'minify.html.inline.js',
'minify.html.strip.crlf',
'minify.html.comments.ignore',
'minify.css.enable',
'minify.css.engine',
'minify.css.groups',
'minify.js.enable',
'minify.js.engine',
'minify.js.groups',
'minify.htmltidy.options.clean',
'minify.htmltidy.options.hide-comments',
'minify.htmltidy.options.wrap',
'minify.reject.logged',
'minify.reject.ua',
'minify.reject.uri'
));
}
/**
* @var W3_ModuleStatus $modules
*/
$modules = w3_instance('W3_ModuleStatus');
if ($modules->is_running('cdn')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'cdn.enabled',
'cdn.debug',
'cdn.engine',
'cdn.uploads.enable',
'cdn.includes.enable',
'cdn.includes.files',
'cdn.theme.enable',
'cdn.theme.files',
'cdn.minify.enable',
'cdn.custom.enable',
'cdn.custom.files',
'cdn.ftp.domain',
'cdn.ftp.ssl',
'cdn.s3.cname',
'cdn.s3.ssl',
'cdn.cf.cname',
'cdn.cf.ssl',
'cdn.cf2.cname',
'cdn.cf2.ssl',
'cdn.rscf.cname',
'cdn.rscf.ssl',
'cdn.azure.cname',
'cdn.azure.ssl',
'cdn.mirror.domain',
'cdn.mirror.ssl',
'cdn.netdna.domain',
'cdn.netdna.ssl',
'cdn.cotendo.domain',
'cdn.cotendo.ssl',
'cdn.edgecast.domain',
'cdn.edgecast.ssl',
'cdn.att.domain',
'cdn.att.ssl',
'cdn.reject.logged_roles',
'cdn.reject.roles',
'cdn.reject.ua',
'cdn.reject.uri',
'cdn.reject.files'
));
} elseif ($old_config->get_boolean('cdn.enabled') && !$new_config->get_boolean('cdn.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('cdn.enabled'));
}
if ($new_config->get_boolean('mobile.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'mobile.rgroups'
));
}
if ($new_config->get_boolean('referrer.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'referrer.rgroups'
));
}
if ($new_config->get_boolean('browsercache.enabled') &&
$new_config->get_string('pgcache.engine') == 'file_generic') {
$pgcache_dependencies = array_merge($pgcache_dependencies, array(
'browsercache.html.last_modified',
'browsercache.other.last_modified'
));
}
$old_pgcache_dependencies_values = array();
$new_pgcache_dependencies_values = array();
foreach ($pgcache_dependencies as $pgcache_dependency) {
$old_pgcache_dependencies_values[] = $old_config->get($pgcache_dependency);
$new_pgcache_dependencies_values[] = $new_config->get($pgcache_dependency);
}
if (serialize($old_pgcache_dependencies_values) != serialize($new_pgcache_dependencies_values)) {
$new_config->set('notes.need_empty_pgcache', true);
}
}
/**
* Show need empty minify notification
*/
if ($current_config->get_boolean('minify.enabled') && $new_config->get_boolean('minify.enabled') && (($new_config->get_boolean('minify.css.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.css.groups')))) || ($new_config->get_boolean('minify.js.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.js.groups')))))) {
$minify_dependencies = array_merge($browsercache_dependencies, array(
'minify.auto',
'minify.debug',
'minify.options',
'minify.symlinks',
'minify.css.enable',
'minify.js.enable'
));
if ($new_config->get_boolean('minify.css.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.css.groups')))) {
$minify_dependencies = array_merge($minify_dependencies, array(
'minify.css.engine',
'minify.css.combine',
'minify.css.strip.comments',
'minify.css.strip.crlf',
'minify.css.imports',
'minify.css.groups',
'minify.yuicss.path.java',
'minify.yuicss.path.jar',
'minify.yuicss.options.line-break',
'minify.csstidy.options.remove_bslash',
'minify.csstidy.options.compress_colors',
'minify.csstidy.options.compress_font-weight',
'minify.csstidy.options.lowercase_s',
'minify.csstidy.options.optimise_shorthands',
'minify.csstidy.options.remove_last_;',
'minify.csstidy.options.case_properties',
'minify.csstidy.options.sort_properties',
'minify.csstidy.options.sort_selectors',
'minify.csstidy.options.merge_selectors',
'minify.csstidy.options.discard_invalid_properties',
'minify.csstidy.options.css_level',
'minify.csstidy.options.preserve_css',
'minify.csstidy.options.timestamp',
'minify.csstidy.options.template'
));
}
if ($new_config->get_boolean('minify.js.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.js.groups')))) {
$minify_dependencies = array_merge($minify_dependencies, array(
'minify.js.engine',
'minify.js.combine.header',
'minify.js.combine.body',
'minify.js.combine.footer',
'minify.js.strip.comments',
'minify.js.strip.crlf',
'minify.js.groups',
'minify.yuijs.path.java',
'minify.yuijs.path.jar',
'minify.yuijs.options.line-break',
'minify.yuijs.options.nomunge',
'minify.yuijs.options.preserve-semi',
'minify.yuijs.options.disable-optimizations',
'minify.ccjs.path.java',
'minify.ccjs.path.jar',
'minify.ccjs.options.compilation_level',
'minify.ccjs.options.formatting'
));
}
/**
* @var W3_ModuleStatus $modules
*/
$modules = w3_instance('W3_ModuleStatus');
if ($modules->is_running('cdn')) {
$minify_dependencies = array_merge($minify_dependencies, array(
'cdn.engine','cdn.enabled'
));
} elseif ($old_config->get_boolean('cdn.enabled') && !$new_config->get_boolean('cdn.enabled')) {
$minify_dependencies = array_merge($minify_dependencies, array('cdn.enabled'));
}
$old_minify_dependencies_values = array();
$new_minify_dependencies_values = array();
foreach ($minify_dependencies as $minify_dependency) {
$old_minify_dependencies_values[] = $old_config->get($minify_dependency);
$new_minify_dependencies_values[] = $new_config->get($minify_dependency);
}
if (serialize($old_minify_dependencies_values) != serialize($new_minify_dependencies_values)) {
$new_config->set('notes.need_empty_minify', true);
}
}
if ($new_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($new_config->get_string('cdn.engine'))) {
/**
* Show notification when CDN enabled
*/
if (!$old_config->get_boolean('cdn.enabled')) {
$new_config->set('notes.cdn_upload', true);
}
/**
* Show notification when Browser Cache settings changes
*/
$cdn_dependencies = array(
'browsercache.enabled'
);
if ($new_config->get_boolean('cdn.enabled')) {
$cdn_dependencies = array(
'browsercache.cssjs.compression',
'browsercache.cssjs.expires',
'browsercache.cssjs.lifetime',
'browsercache.cssjs.cache.control',
'browsercache.cssjs.cache.policy',
'browsercache.cssjs.etag',
'browsercache.cssjs.w3tc',
'browsercache.html.compression',
'browsercache.html.expires',
'browsercache.html.lifetime',
'browsercache.html.cache.control',
'browsercache.html.cache.policy',
'browsercache.html.etag',
'browsercache.html.w3tc',
'browsercache.other.compression',
'browsercache.other.expires',
'browsercache.other.lifetime',
'browsercache.other.cache.control',
'browsercache.other.cache.policy',
'browsercache.other.etag',
'browsercache.other.w3tc'
);
}
$old_cdn_dependencies_values = array();
$new_cdn_dependencies_values = array();
foreach ($cdn_dependencies as $cdn_dependency) {
$old_cdn_dependencies_values[] = $old_config->get($cdn_dependency);
$new_cdn_dependencies_values[] = $new_config->get($cdn_dependency);
}
if (serialize($old_cdn_dependencies_values) != serialize($new_cdn_dependencies_values)) {
$new_config->set('notes.cdn_reupload', true);
}
}
/**
* Show need empty object cache notification
*/
if ($current_config->get_boolean('objectcache.enabled')) {
$objectcache_dependencies = array(
'objectcache.groups.global',
'objectcache.groups.nonpersistent'
);
$old_objectcache_dependencies_values = array();
$new_objectcache_dependencies_values = array();
foreach ($objectcache_dependencies as $objectcache_dependency) {
$old_objectcache_dependencies_values[] = $old_config->get($objectcache_dependency);
$new_objectcache_dependencies_values[] = $new_config->get($objectcache_dependency);
}
if (serialize($old_objectcache_dependencies_values) != serialize($new_objectcache_dependencies_values)) {
$new_config->set('notes.need_empty_objectcache', true);
}
}
if ($current_config->get_boolean('newrelic.enabled')) {
if ($current_config->get_boolean('pgcache.enabled')) {
if (w3_is_network() && $current_config->get_boolean('common.force_master')) {
$new_config->set('pgcache.late_init', true);
}
}
}
do_action('w3tc_saved_options', $new_config, $new_config_admin);
/**
* Save config
*/
try {
$new_config_admin->save();
$new_config->save();
} catch (Exception $ex) {
// try to fix environment, it potentially can be fixed silently
// dont show error here, it will be called again later
// in admin_notices
try {
$environment = w3_instance('W3_AdminEnvironment');
$environment->fix_in_wpadmin($new_config);
} catch (Exception $ex) {
}
// retry save process and complain now on failure
try {
$new_config_admin->save();
$new_config->save();
} catch (Exception $ex) {
throw new Exception(
'<strong>Can\'t change configuration</strong>: ' .
$ex->getMessage());
}
}
$w3_plugin_cdn = w3_instance('W3_Plugin_CdnAdmin');
/**
* Empty caches on engine change or cache enable/disable
*/
if ($old_config->get_string('pgcache.engine') != $new_config->get_string('pgcache.engine') || $old_config->get_string('pgcache.enabled') != $new_config->get_string('pgcache.enabled')) {
w3tc_pgcache_flush();
}
if ($old_config->get_string('dbcache.engine') != $new_config->get_string('dbcache.engine') || $old_config->get_string('dbcache.enabled') != $new_config->get_string('dbcache.enabled')) {
w3tc_dbcache_flush();
}
if ($old_config->get_string('objectcache.engine') != $new_config->get_string('objectcache.engine') || $old_config->get_string('objectcache.enabled') != $new_config->get_string('objectcache.enabled')) {
w3tc_objectcache_flush();
}
if ($old_config->get_string('minify.engine') != $new_config->get_string('minify.engine') || $old_config->get_string('minify.enabled') != $new_config->get_string('minify.enabled')) {
w3tc_minify_flush();
}
/**
* Update CloudFront CNAMEs
*/
$update_cf_cnames = false;
if ($new_config->get_boolean('cdn.enabled') && in_array($new_config->get_string('cdn.engine'), array('cf', 'cf2'))) {
if ($new_config->get_string('cdn.engine') == 'cf') {
$old_cnames = $old_config->get_array('cdn.cf.cname');
$new_cnames = $new_config->get_array('cdn.cf.cname');
} else {
$old_cnames = $old_config->get_array('cdn.cf2.cname');
$new_cnames = $new_config->get_array('cdn.cf2.cname');
}
if (count($old_cnames) != count($new_cnames) || count(array_diff($old_cnames, $new_cnames))) {
$update_cf_cnames = true;
}
}
/**
* Refresh config
*/
$current_config->load();
/**
* React to config changes
*/
$environment = w3_instance('W3_AdminEnvironment');
$environment->fix_on_event($new_config, 'config_change', $old_config);
/**
* Update support us option
*/
w3_instance('W3_AdminLinks')->link_update($current_config);
/**
* Auto upload minify files to CDN
*/
if ($new_config->get_boolean('minify.enabled') && $new_config->get_boolean('minify.upload') && $new_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($new_config->get_string('cdn.engine'))) {
w3_cdn_upload_minify();
}
/**
* Auto upload browsercache files to CDN
*/
if ($new_config->get_boolean('cdn.enabled') && $new_config->get_string('cdn.engine') == 'ftp') {
w3_cdn_delete_browsercache($current_config);
w3_cdn_upload_browsercache($current_config);
}
/**
* Update CloudFront CNAMEs
*/
if ($update_cf_cnames) {
$error = null;
$w3_plugin_cdn->update_cnames($error);
}
return true;
}
/**
* Uploads minify files to CDN
*
* @return void
*/
function w3_cdn_upload_minify() {
$w3_plugin_cdn = w3_instance('W3_Plugin_Cdn');
$w3_plugin_cdncommon = w3_instance('W3_Plugin_CdnCommon');
$files = $w3_plugin_cdn->get_files_minify();
$upload = array();
$results = array();
foreach ($files as $file) {
$upload[] = $w3_plugin_cdncommon->build_file_descriptor($w3_plugin_cdncommon->docroot_filename_to_absolute_path($file),
$w3_plugin_cdncommon->uri_to_cdn_uri($w3_plugin_cdncommon->docroot_filename_to_uri($file)));
}
$w3_plugin_cdncommon->upload($upload, true, $results);
}
/**
* Uploads Browser Cache .htaccess to FTP
*
* @var W3_Config $config
* @return void
*/
function w3_cdn_upload_browsercache($config) {
$w3_plugin_cdncommon = w3_instance('W3_Plugin_CdnCommon');
$w3_plugin_cdnadmin = w3_instance('W3_Plugin_CdnAdmin');
$ce = w3_instance('W3_CdnAdminEnvironment');
$rules = $ce->rules_generate_for_ftp($config);
if ($config->get_boolean('browsercache.enabled')) {
$be = w3_instance('W3_BrowserCacheAdminEnvironment');
$rules .= $be->rules_cache_generate_for_ftp($config);
}
$cdn_path = w3_get_cdn_rules_path();
$tmp_path = W3TC_CACHE_TMP_DIR . '/' . $cdn_path;
if (@file_put_contents($tmp_path, $rules)) {
$results = array();
$upload = array($w3_plugin_cdncommon->build_file_descriptor($tmp_path, $cdn_path));
$w3_plugin_cdncommon->upload($upload, true, $results);
}
}
/**
* Deletes Browser Cache .htaccess from FTP
*
* @return void
*/
function w3_cdn_delete_browsercache() {
$w3_plugin_cdn = w3_instance('W3_Plugin_CdnCommon');
$cdn_path = w3_get_cdn_rules_path();
$tmp_path = W3TC_CACHE_TMP_DIR . '/' . $cdn_path;
$results = array();
$delete = array(
$w3_plugin_cdn->build_file_descriptor($tmp_path, $cdn_path)
);
$w3_plugin_cdn->delete($delete, false, $results);
}
/**
* Returns cookie domain
*
* @return string
*/
function w3_get_cookie_domain() {
$site_url = get_option('siteurl');
$parse_url = @parse_url($site_url);
if ($parse_url && !empty($parse_url['host'])) {
return $parse_url['host'];
}
return $_SERVER['HTTP_HOST'];
}
/*
* Returns current w3tc admin page
*/
function w3tc_get_current_page() {
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$page = W3_Request::get_string('page');
switch (true) {
case ($page == 'w3tc_dashboard'):
case ($page == 'w3tc_general'):
case ($page == 'w3tc_pgcache'):
case ($page == 'w3tc_minify'):
case ($page == 'w3tc_dbcache'):
case ($page == 'w3tc_objectcache'):
case ($page == 'w3tc_fragmentcache'):
case ($page == 'w3tc_browsercache'):
case ($page == 'w3tc_mobile'):
case ($page == 'w3tc_referrer'):
case ($page == 'w3tc_cdn'):
case ($page == 'w3tc_monitoring'):
case ($page == 'w3tc_extensions'):
case ($page == 'w3tc_install'):
case ($page == 'w3tc_faq'):
case ($page == 'w3tc_about'):
case ($page == 'w3tc_support'):
break;
default:
$page = 'w3tc_dashboard';
}
return $page;
}
/**
* Check if current page is a W3TC admin page
* @return bool
*/
function is_w3tc_admin_page() {
return isset($_GET['page']) && substr($_GET['page'], 0, 5) == 'w3tc_';
}
function w3tc_make_track_call($params) {
wp_remote_post(W3TC_TRACK_URL, array(
'timeout' => 45,
'redirection' => 5,
'blocking' => false,
'headers' => array(),
'body' => array_merge($params, array('id' => md5(home_url())))
));
}
/**
* Returns current WordPress page
* @return string
*/
function w3tc_get_current_wp_page() {
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
return W3_Request::get_string('page');
}
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