/**
* Generate rules related to prevent for media 404 error by WP
*
* @param Config $config
* @return string
*/
private function rules_no404wp_generate_apache($config)
{
$a = $this->get_mime_types();
$cssjs_types = $a['cssjs'];
$html_types = $a['html'];
$other_types = $a['other'];
$extensions = array_merge(array_keys($cssjs_types), array_keys($html_types), array_keys($other_types));
$permalink_structure = get_option('permalink_structure');
$permalink_structure_ext = ltrim(strrchr($permalink_structure, '.'), '.');
if ($permalink_structure_ext != '') {
foreach ($extensions as $index => $extension) {
if (strstr($extension, $permalink_structure_ext) !== false) {
$extensions[$index] = preg_replace('~\\|?' . Util_Environment::preg_quote($permalink_structure_ext) . '\\|?~', '', $extension);
}
}
}
$exceptions = $config->get_array('browsercache.no404wp.exceptions');
$wp_uri = network_home_url('', 'relative');
$wp_uri = rtrim($wp_uri, '/');
$rules = '';
$rules .= W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP . "\n";
$rules .= "<IfModule mod_rewrite.c>\n";
$rules .= " RewriteEngine On\n";
// in subdir - rewrite theme files and similar to upper folder if file exists
if (Util_Environment::is_wpmu() && !Util_Environment::is_wpmu_subdomain()) {
$rules .= " RewriteCond %{REQUEST_FILENAME} !-f\n";
$rules .= " RewriteCond %{REQUEST_FILENAME} !-d\n";
$rules .= " RewriteCond %{REQUEST_URI} ^{$wp_uri}/([_0-9a-zA-Z-]+/)(.*\\.)(" . implode('|', $extensions) . ")\$ [NC]\n";
$document_root = Util_Rule::apache_docroot_variable();
$rules .= ' RewriteCond "' . $document_root . $wp_uri . '/%2%3" -f' . "\n";
$rules .= " RewriteRule .* {$wp_uri}/%2%3 [L]\n\n";
}
$rules .= " RewriteCond %{REQUEST_FILENAME} !-f\n";
$rules .= " RewriteCond %{REQUEST_FILENAME} !-d\n";
$imploded = implode('|', $exceptions);
if (!empty($imploded)) {
$rules .= " RewriteCond %{REQUEST_URI} !(" . $imploded . ")\n";
}
$rules .= " RewriteCond %{REQUEST_URI} \\.(" . implode('|', $extensions) . ")\$ [NC]\n";
$rules .= " RewriteRule .* - [L]\n";
$rules .= "</IfModule>\n";
$rules .= W3TC_MARKER_END_BROWSERCACHE_NO404WP . "\n";
return $rules;
}
/**
* Generates rules for WP dir
*
* @param Config $config
* @return string
*/
private function rules_core_generate_apache($config)
{
$rewrite_base = Util_Environment::network_home_url_uri();
$cache_dir = Util_Environment::normalize_path(W3TC_CACHE_PAGE_ENHANCED_DIR);
$permalink_structure = get_option('permalink_structure');
$current_user = get_currentuserinfo();
/**
* Auto reject cookies
*/
$reject_cookies = array('comment_author', 'wp-postpass');
if ($config->get_string('pgcache.engine') == 'file_generic') {
$reject_cookies[] = 'w3tc_logged_out';
}
/**
* Reject cache for logged in users
* OR
* Reject cache for roles if any
*/
if ($config->get_boolean('pgcache.reject.logged')) {
$reject_cookies = array_merge($reject_cookies, array('wordpress_logged_in'));
} elseif ($config->get_boolean('pgcache.reject.logged_roles')) {
$new_cookies = array();
foreach ($config->get_array('pgcache.reject.roles') as $role) {
$new_cookies[] = 'w3tc_logged_' . md5(NONCE_KEY . $role);
}
$reject_cookies = array_merge($reject_cookies, $new_cookies);
}
/**
* Custom config
*/
$reject_cookies = array_merge($reject_cookies, $config->get_array('pgcache.reject.cookie'));
Util_Rule::array_trim($reject_cookies);
$reject_user_agents = $config->get_array('pgcache.reject.ua');
if ($config->get_boolean('pgcache.compatibility')) {
$reject_user_agents = array_merge(array(W3TC_POWERED_BY), $reject_user_agents);
}
Util_Rule::array_trim($reject_user_agents);
/**
* Generate directives
*/
$env_W3TC_UA = '';
$env_W3TC_REF = '';
$env_W3TC_SSL = '';
$env_W3TC_ENC = '';
$rules = '';
$rules .= W3TC_MARKER_BEGIN_PGCACHE_CORE . "\n";
$rules .= "<IfModule mod_rewrite.c>\n";
$rules .= " RewriteEngine On\n";
$rules .= " RewriteBase " . $rewrite_base . "\n";
if ($config->get_boolean('pgcache.debug')) {
$rules .= " RewriteRule ^(.*\\/)?w3tc_rewrite_test([0-9]+)/?\$ \$1?w3tc_rewrite_test=1 [L]\n";
}
/**
* Check for mobile redirect
*/
if ($config->get_boolean('mobile.enabled')) {
$mobile_groups = $config->get_array('mobile.rgroups');
foreach ($mobile_groups as $mobile_group => $mobile_config) {
$mobile_enabled = isset($mobile_config['enabled']) ? (bool) $mobile_config['enabled'] : false;
$mobile_agents = isset($mobile_config['agents']) ? (array) $mobile_config['agents'] : '';
$mobile_redirect = isset($mobile_config['redirect']) ? $mobile_config['redirect'] : '';
if ($mobile_enabled && count($mobile_agents) && $mobile_redirect) {
$rules .= " RewriteCond %{HTTP_USER_AGENT} (" . implode('|', $mobile_agents) . ") [NC]\n";
$rules .= " RewriteRule .* " . $mobile_redirect . " [R,L]\n";
}
}
}
/**
* Check for referrer redirect
*/
if ($config->get_boolean('referrer.enabled')) {
$referrer_groups = $config->get_array('referrer.rgroups');
foreach ($referrer_groups as $referrer_group => $referrer_config) {
$referrer_enabled = isset($referrer_config['enabled']) ? (bool) $referrer_config['enabled'] : false;
$referrer_referrers = isset($referrer_config['referrers']) ? (array) $referrer_config['referrers'] : '';
$referrer_redirect = isset($referrer_config['redirect']) ? $referrer_config['redirect'] : '';
if ($referrer_enabled && count($referrer_referrers) && $referrer_redirect) {
$rules .= " RewriteCond %{HTTP_COOKIE} w3tc_referrer=.*(" . implode('|', $referrer_referrers) . ") [NC]\n";
$rules .= " RewriteRule .* " . $referrer_redirect . " [R,L]\n";
}
}
}
/**
* Set mobile groups
*/
if ($config->get_boolean('mobile.enabled')) {
$mobile_groups = array_reverse($config->get_array('mobile.rgroups'));
foreach ($mobile_groups as $mobile_group => $mobile_config) {
$mobile_enabled = isset($mobile_config['enabled']) ? (bool) $mobile_config['enabled'] : false;
$mobile_agents = isset($mobile_config['agents']) ? (array) $mobile_config['agents'] : '';
$mobile_redirect = isset($mobile_config['redirect']) ? $mobile_config['redirect'] : '';
if ($mobile_enabled && count($mobile_agents) && !$mobile_redirect) {
$rules .= " RewriteCond %{HTTP_USER_AGENT} (" . implode('|', $mobile_agents) . ") [NC]\n";
$rules .= " RewriteRule .* - [E=W3TC_UA:_" . $mobile_group . "]\n";
$env_W3TC_UA = '%{ENV:W3TC_UA}';
}
}
}
/**
* Set referrer groups
*/
if ($config->get_boolean('referrer.enabled')) {
$referrer_groups = array_reverse($config->get_array('referrer.rgroups'));
foreach ($referrer_groups as $referrer_group => $referrer_config) {
$referrer_enabled = isset($referrer_config['enabled']) ? (bool) $referrer_config['enabled'] : false;
$referrer_referrers = isset($referrer_config['referrers']) ? (array) $referrer_config['referrers'] : '';
$referrer_redirect = isset($referrer_config['redirect']) ? $referrer_config['redirect'] : '';
if ($referrer_enabled && count($referrer_referrers) && !$referrer_redirect) {
$rules .= " RewriteCond %{HTTP_COOKIE} w3tc_referrer=.*(" . implode('|', $referrer_referrers) . ") [NC]\n";
$rules .= " RewriteRule .* - [E=W3TC_REF:_" . $referrer_group . "]\n";
$env_W3TC_REF = '%{ENV:W3TC_REF}';
}
}
}
/**
* Set HTTPS
*/
if ($config->get_boolean('pgcache.cache.ssl')) {
$rules .= " RewriteCond %{HTTPS} =on\n";
$rules .= " RewriteRule .* - [E=W3TC_SSL:_ssl]\n";
$rules .= " RewriteCond %{SERVER_PORT} =443\n";
$rules .= " RewriteRule .* - [E=W3TC_SSL:_ssl]\n";
$env_W3TC_SSL = '%{ENV:W3TC_SSL}';
}
$cache_path = str_replace(Util_Environment::document_root(), '', $cache_dir);
/**
* Set Accept-Encoding
*/
if ($config->get_boolean('browsercache.enabled') && $config->get_boolean('browsercache.html.compression')) {
$rules .= " RewriteCond %{HTTP:Accept-Encoding} gzip\n";
$rules .= " RewriteRule .* - [E=W3TC_ENC:_gzip]\n";
$env_W3TC_ENC = '%{ENV:W3TC_ENC}';
}
$rules .= " RewriteCond %{HTTP_COOKIE} w3tc_preview [NC]\n";
$rules .= " RewriteRule .* - [E=W3TC_PREVIEW:_preview]\n";
$env_W3TC_PREVIEW = '%{ENV:W3TC_PREVIEW}';
$use_cache_rules = '';
/**
* Don't accept POSTs
*/
$use_cache_rules .= " RewriteCond %{REQUEST_METHOD} !=POST\n";
/**
* Query string should be empty
*/
$use_cache_rules .= " RewriteCond %{QUERY_STRING} =\"\"\n";
/**
* Check permalink structure trailing slash
*/
if (substr($permalink_structure, -1) == '/') {
$use_cache_rules .= " RewriteCond %{REQUEST_URI} \\/\$\n";
}
/**
* Check for rejected cookies
*/
$use_cache_rules .= " RewriteCond %{HTTP_COOKIE} !(" . implode('|', array_map(array('\\W3TC\\Util_Environment', 'preg_quote'), $reject_cookies)) . ") [NC]\n";
/**
* Check for rejected user agents
*/
if (count($reject_user_agents)) {
$use_cache_rules .= " RewriteCond %{HTTP_USER_AGENT} !(" . implode('|', array_map(array('\\W3TC\\Util_Environment', 'preg_quote'), $reject_user_agents)) . ") [NC]\n";
}
/**
* Make final rewrites for specific files
*/
$uri_prefix = $cache_path . '/%{HTTP_HOST}/%{REQUEST_URI}/' . '_index' . $env_W3TC_UA . $env_W3TC_REF . $env_W3TC_SSL . $env_W3TC_PREVIEW;
$switch = " -" . ($config->get_boolean('pgcache.file.nfs') ? 'F' : 'f');
$document_root = Util_Rule::apache_docroot_variable();
// write rule to rewrite to .html file
$ext = '.html';
$rules .= $use_cache_rules;
$rules .= " RewriteCond \"" . $document_root . $uri_prefix . $ext . $env_W3TC_ENC . "\"" . $switch . "\n";
$rules .= " RewriteRule .* \"" . $uri_prefix . $ext . $env_W3TC_ENC . "\" [L]\n";
$rules .= "</IfModule>\n";
$rules .= W3TC_MARKER_END_PGCACHE_CORE . "\n";
return $rules;
}
