Viewing file:  MinifyAdminEnvironment.php (28.51 KB) -rw-rw-rw-
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<?php
if (!defined('W3TC')) {
die();
}
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
w3_require_once(W3TC_INC_DIR . '/functions/rule.php');
/**
* Class W3_MinifyAdminEnvironment
*/
class W3_MinifyAdminEnvironment {
/*
* Fixes environment in each wp-admin request
* @param W3_Config $config
* @param bool $force_all_checks
*
* @throws SelfTestExceptions
**/
public function fix_on_wpadmin_request($config, $force_all_checks) {
$exs = new SelfTestExceptions();
$this->fix_folders($config, $exs);
/**
* @var W3_Config $config
*/
if ($config->get_boolean('config.check') || $force_all_checks) {
if ($config->get_boolean('minify.enabled') &&
$config->get_boolean('minify.rewrite')) {
$this->rules_core_add($config, $exs);
} else {
$this->rules_core_remove($exs);
}
if ((w3_is_apache() || w3_is_litespeed()) &&
w3_is_network() && !w3_is_subdomain_install()) {
if ($config->get_boolean('minify.enabled') &&
$config->get_boolean('minify.rewrite')) {
$this->rules_wpmu_subfolder_add($config, $exs);
} else {
$this->rules_wpmu_subfolder_remove($exs);
}
}
if ($config->get_boolean('minify.enabled') &&
$config->get_string('minify.engine') == 'file') {
$this->rules_cache_add($config, $exs);
} else {
$this->rules_cache_remove($exs);
}
}
// if no errors so far - check if rewrite actually works
if (count($exs->exceptions()) <= 0 || true) {
try {
if ($config->get_boolean('minify.enabled') &&
$config->get_string('minify.engine') == 'file' &&
$config->get_boolean('minify.debug'))
$this->verify_rewrite_working();
} catch (Exception $ex) {
$exs->push($ex);
}
if ($config->get_boolean('minify.enabled'))
$this->verify_engine_working($config, $exs);
}
if (count($exs->exceptions()) > 0)
throw $exs;
}
/**
* Fixes environment once event occurs
*
* @param W3_Config $config
* @param string $event
* @param null|W3_Config $old_config
* @throws SelfTestExceptions
*/
public function fix_on_event($config, $event, $old_config = null) {
// Schedules events
if ($config->get_boolean('minify.enabled') &&
$config->get_string('minify.engine') == 'file') {
if ($old_config != null &&
$config->get_integer('minify.file.gc') !=
$old_config->get_integer('minify.file.gc')) {
$this->unschedule();
}
if (!wp_next_scheduled('w3_minify_cleanup')) {
wp_schedule_event(time(),
'w3_minify_cleanup', 'w3_minify_cleanup');
}
} else {
$this->unschedule();
}
}
/**
* Fixes environment after plugin deactivation
* @throws SelfTestExceptions
*/
public function fix_after_deactivation() {
$exs = new SelfTestExceptions();
$this->rules_core_remove($exs);
$this->rules_wpmu_subfolder_remove($exs);
$this->rules_cache_remove($exs);
$this->unschedule();
if (count($exs->exceptions()) > 0)
throw $exs;
}
/**
*
* @param W3_Config $config
* @return array
*/
function get_required_rules($config) {
if (!$config->get_boolean('minify.enabled'))
return null;
$rewrite_rules = array();
if ($config->get_string('minify.engine') == 'file') {
$minify_rules_cache_path = w3_get_minify_rules_cache_path();
$rewrite_rules[] = array(
'filename' => $minify_rules_cache_path,
'content' => $this->rules_cache_generate($config)
);
}
$minify_rules_core_path = w3_get_minify_rules_core_path();
$rewrite_rules[] = array(
'filename' => $minify_rules_core_path,
'content' => $this->rules_core_generate($config),
'last' => true
);
return $rewrite_rules;
}
/**
* Fixes folders
* @param W3_Config $config
* @param SelfTestExceptions $exs
**/
private function fix_folders($config, $exs) {
// folder that we delete if exists and not writeable
if ($config->get_boolean('minify.enabled') &&
$config->get_string('minify.engine') == 'file') {
$dir = W3TC_CACHE_MINIFY_DIR;
try{
if (file_exists($dir) && !is_writeable($dir))
w3_wp_delete_folder($dir, '', $_SERVER['REQUEST_URI']);
} catch (FilesystemRmdirException $ex) {
$exs->push($ex);
}
}
}
/**
* Minifiers availability error handling
*
* @param W3_Config $config
* @param SelfTestExceptions $exs
*/
private function verify_engine_working($config, $exs) {
$minifiers_errors = array();
if ($config->get_string('minify.js.engine') == 'yuijs') {
$path_java = $config->get_string('minify.yuijs.path.java');
$path_jar = $config->get_string('minify.yuijs.path.jar');
if (!file_exists($path_java)) {
$minifiers_errors[] = sprintf('YUI Compressor (JS): JAVA executable path was not found. The default minifier JSMin will be used instead.');
} elseif (!file_exists($path_jar)) {
$minifiers_errors[] = sprintf('YUI Compressor (JS): JAR file path was not found. The default minifier JSMin will be used instead.');
}
}
if ($config->get_string('minify.css.engine') == 'yuicss') {
$path_java = $config->get_string('minify.yuicss.path.java');
$path_jar = $config->get_string('minify.yuicss.path.jar');
if (!file_exists($path_java)) {
$minifiers_errors[] = sprintf('YUI Compressor (CSS): JAVA executable path was not found. The default CSS minifier will be used instead.');
} elseif (!file_exists($path_jar)) {
$minifiers_errors[] = sprintf('YUI Compressor (CSS): JAR file path was not found. The default CSS minifier will be used instead.');
}
}
if ($config->get_string('minify.js.engine') == 'ccjs') {
$path_java = $config->get_string('minify.ccjs.path.java');
$path_jar = $config->get_string('minify.ccjs.path.jar');
if (!file_exists($path_java)) {
$minifiers_errors[] = sprintf('Closure Compiler: JAVA executable path was not found. The default minifier JSMin will be used instead.');
} elseif (!file_exists($path_jar)) {
$minifiers_errors[] = sprintf('Closure Compiler: JAR file path was not found. The default minifier JSMin will be used instead.');
}
}
if (count($minifiers_errors)) {
$minify_error = 'The following minifiers cannot be found or are no longer working:</p><ul>';
foreach ($minifiers_errors as $minifiers_error) {
$minify_error .= '<li>' . $minifiers_error . '</li>';
}
$minify_error .= '</ul><p>This message will automatically disappear once the issue is resolved.';
$exs->push(new SelfTestFailedException($minify_error));
}
}
/*
* Checks rewrite
* @throws SelfTestExceptions
**/
private function verify_rewrite_working() {
$url = w3_filename_to_url(w3_cache_blog_dir('minify') . '/w3tc_rewrite_test');
if (!$this->test_rewrite($url)) {
$key = sprintf('w3tc_rewrite_test_result_%s', substr(md5($url), 0, 16));
$result = get_transient($key);
$home_url = w3_get_home_url();
$tech_message =
(w3_is_nginx() ? 'nginx configuration file' : '.htaccess file') .
' contains rules to rewrite url ' .
$url . '. If handled by ' .
'plugin, it returns "OK" message.<br/>';
$tech_message .= 'The plugin made a request to ' .
$url . ' but received: <br />' .
$result . '<br />';
$tech_message .= 'instead of "OK" response. <br />';
$error = '<strong>W3 Total Cache error:</strong>It appears Minify ' .
'<acronym title="Uniform Resource Locator">URL</acronym> ' .
'rewriting is not working. ';
if (w3_is_nginx()) {
$error .= 'Please verify that all configuration files are ' .
'included in the configuration file ' .
'(and that you have reloaded / restarted nginx).';
} else {
$error .= 'Please verify that the server configuration ' .
'allows .htaccess';
}
$error .= '<br />Unfortunately minification will ' .
'not function without custom rewrite rules. ' .
'Please ask your server administrator for assistance. ' .
'Also refer to <a href="' .
admin_url('admin.php?page=w3tc_install') .
'">the install page</a> for the rules for your server.';
throw new SelfTestFailedException($error, $tech_message);
}
}
/**
* Perform rewrite test
*
* @param string $url
* @return boolean
*/
private function test_rewrite($url) {
$key = sprintf('w3tc_rewrite_test_%s', substr(md5($url), 0, 16));
$result = get_transient($key);
if ($result === false) {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/http.php');
$response = w3_http_get($url);
$result = (!is_wp_error($response) && $response['response']['code'] == 200 && trim($response['body']) == 'OK');
if ($result) {
set_transient($key, $result, 30);
} else {
$key_result = sprintf('w3tc_rewrite_test_result_%s', substr(md5($url), 0, 16));
set_transient($key_result, is_wp_error($response)? $response->get_error_message(): implode(' ', $response['response']), 30);
}
}
return $result;
}
/**
* scheduling stuff
**/
private function unschedule() {
if (wp_next_scheduled('w3_minify_cleanup')) {
wp_clear_scheduled_hook('w3_minify_cleanup');
}
}
/**
* rules core modification
**/
/**
* Writes directives to WP .htaccess
*
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_core_add($config, $exs) {
w3_add_rules($exs, w3_get_minify_rules_core_path(),
$this->rules_core_generate($config),
W3TC_MARKER_BEGIN_MINIFY_CORE,
W3TC_MARKER_END_MINIFY_CORE,
array(
W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0,
W3TC_MARKER_BEGIN_WORDPRESS => 0,
W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen(W3TC_MARKER_END_BROWSERCACHE_CACHE) + 1,
W3TC_MARKER_END_PGCACHE_CACHE => strlen(W3TC_MARKER_END_PGCACHE_CACHE) + 1,
W3TC_MARKER_END_MINIFY_CACHE => strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1
)
);
}
/**
* Removes Page Cache core directives
*
* @param SelfTestExceptions $exs
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_core_remove($exs) {
// no need to remove rules for apache - its in cache .htaccess file
if (!w3_is_nginx())
return;
w3_remove_rules($exs,
w3_get_minify_rules_core_path(),
W3TC_MARKER_BEGIN_MINIFY_CORE ,
W3TC_MARKER_END_MINIFY_CORE);
}
/**
* Generates rules for WP dir
*
* @param W3_Config $config
* @return string
*/
public function rules_core_generate($config) {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return $this->rules_core_generate_apache($config);
case w3_is_nginx():
return $this->rules_core_generate_nginx($config);
}
return '';
}
/**
* Generates rules
*
* @param W3_Config $config
* @return string
*/
function rules_core_generate_apache($config) {
$cache_dir = w3_filename_to_uri(W3TC_CACHE_MINIFY_DIR);
$minify_filename = w3_make_relative_path(W3TC_DIR . '/pub/minify.php',
W3TC_CACHE_MINIFY_DIR);
$engine = $config->get_string('minify.engine');
$browsercache = $config->get_boolean('browsercache.enabled');
$compression = ($browsercache && $config->get_boolean('browsercache.cssjs.compression'));
$rules = '';
$rules .= W3TC_MARKER_BEGIN_MINIFY_CORE . "\n";
$rules .= "<IfModule mod_rewrite.c>\n";
$rules .= " RewriteEngine On\n";
$rules .= " RewriteBase " . $cache_dir . "/\n";
$rules .= " RewriteRule /w3tc_rewrite_test$ $minify_filename?w3tc_rewrite_test=1 [L]\n";
if ($engine == 'file') {
if ($compression) {
$rules .= " RewriteCond %{HTTP:Accept-Encoding} gzip\n";
$rules .= " RewriteRule .* - [E=APPEND_EXT:.gzip]\n";
}
$rules .= " RewriteCond %{REQUEST_FILENAME}%{ENV:APPEND_EXT} -" . ($config->get_boolean('minify.file.nfs') ? 'F' : 'f') . "\n";
$rules .= " RewriteRule (.*) $1%{ENV:APPEND_EXT} [L]\n";
}
$rules .= " RewriteRule ^(.+/[X]+\\.css)$ $minify_filename?test_file=$1 [L]\n";
$rules .= " RewriteRule ^(.+\\.(css|js))$ $minify_filename?file=$1 [L]\n";
$rules .= "</IfModule>\n";
$rules .= W3TC_MARKER_END_MINIFY_CORE . "\n";
return $rules;
}
/**
* Generates rules
*
* @param W3_Config $config
* @return string
*/
function rules_core_generate_nginx($config) {
$cache_dir = w3_filename_to_uri(W3TC_CACHE_MINIFY_DIR);
$minify_filename = w3_filename_to_uri(W3TC_DIR . '/pub/minify.php');
$engine = $config->get_string('minify.engine');
$browsercache = $config->get_boolean('browsercache.enabled');
$compression = ($browsercache && $config->get_boolean('browsercache.cssjs.compression'));
$rules = '';
$rules .= W3TC_MARKER_BEGIN_MINIFY_CORE . "\n";
$rules .= "rewrite ^$cache_dir.*/w3tc_rewrite_test$ $minify_filename?w3tc_rewrite_test=1 last;\n";
if ($engine == 'file') {
$rules .= "set \$w3tc_enc \"\";\n";
if ($compression) {
$rules .= "if (\$http_accept_encoding ~ gzip) {\n";
$rules .= " set \$w3tc_enc .gzip;\n";
$rules .= "}\n";
}
$rules .= "if (-f \$request_filename\$w3tc_enc) {\n";
$rules .= " rewrite (.*) $1\$w3tc_enc break;\n";
$rules .= "}\n";
}
$rules .= "rewrite ^$cache_dir/(.+/[X]+\\.css)$ $minify_filename?test_file=$1 last;\n";
$rules .= "rewrite ^$cache_dir/(.+\\.(css|js))$ $minify_filename?file=$1 last;\n";
$rules .= W3TC_MARKER_END_MINIFY_CORE . "\n";
return $rules;
}
/**
* cache rules
**/
/**
* Writes directives to file cache .htaccess
* Throws exception on error
*
* @param W3_Config $config
* @param SelfTestExceptions $exs
*/
private function rules_cache_add($config, $exs) {
w3_add_rules($exs,
w3_get_minify_rules_cache_path(),
$this->rules_cache_generate($config),
W3TC_MARKER_BEGIN_MINIFY_CACHE,
W3TC_MARKER_END_MINIFY_CACHE,
array(
W3TC_MARKER_BEGIN_PGCACHE_CACHE => 0,
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0,
W3TC_MARKER_BEGIN_MINIFY_CORE => 0,
W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0,
W3TC_MARKER_BEGIN_WORDPRESS => 0
)
);
}
/**
* Removes Page Cache core directives
*
* @param SelfTestExceptions $exs
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_cache_remove($exs) {
// apache's cache files are not used when core rules disabled
if (!w3_is_nginx())
return;
w3_remove_rules($exs,
w3_get_minify_rules_cache_path(),
W3TC_MARKER_BEGIN_MINIFY_CACHE,
W3TC_MARKER_END_MINIFY_CACHE);
}
/**
* Generates directives for file cache dir
*
* @param W3_Config $config
* @return string
*/
private function rules_cache_generate($config) {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return $this->rules_cache_generate_apache($config);
case w3_is_nginx():
return $this->rules_cache_generate_nginx($config);
}
return '';
}
/**
* Generates directives for file cache dir
*
* @param W3_Config $config
* @return string
*/
private function rules_cache_generate_apache($config) {
$browsercache = $config->get_boolean('browsercache.enabled');
$compression = ($browsercache && $config->get_boolean('browsercache.cssjs.compression'));
$expires = ($browsercache && $config->get_boolean('browsercache.cssjs.expires'));
$lifetime = ($browsercache ? $config->get_integer('browsercache.cssjs.lifetime') : 0);
$cache_control = ($browsercache && $config->get_boolean('browsercache.cssjs.cache.control'));
$etag = ($browsercache && $config->get_integer('browsercache.html.etag'));
$w3tc = ($browsercache && $config->get_integer('browsercache.cssjs.w3tc'));
$rules = '';
$rules .= W3TC_MARKER_BEGIN_MINIFY_CACHE . "\n";
$rules .= "Options -MultiViews\n";
if ($etag) {
$rules .= "FileETag MTime Size\n";
}
if ($compression) {
$rules .= "<IfModule mod_mime.c>\n";
$rules .= " AddEncoding gzip .gzip\n";
$rules .= " <Files *.css.gzip>\n";
$rules .= " ForceType text/css\n";
$rules .= " </Files>\n";
$rules .= " <Files *.js.gzip>\n";
$rules .= " ForceType application/x-javascript\n";
$rules .= " </Files>\n";
$rules .= "</IfModule>\n";
$rules .= "<IfModule mod_deflate.c>\n";
$rules .= " <IfModule mod_setenvif.c>\n";
$rules .= " SetEnvIfNoCase Request_URI \\.gzip$ no-gzip\n";
$rules .= " </IfModule>\n";
$rules .= "</IfModule>\n";
}
if ($expires) {
$rules .= "<IfModule mod_expires.c>\n";
$rules .= " ExpiresActive On\n";
$rules .= " ExpiresByType text/css M" . $lifetime . "\n";
$rules .= " ExpiresByType application/x-javascript M" . $lifetime . "\n";
$rules .= "</IfModule>\n";
}
if ($w3tc || $compression || $cache_control) {
$rules .= "<IfModule mod_headers.c>\n";
if ($w3tc) {
$rules .= " Header set X-Powered-By \"" . W3TC_POWERED_BY . "\"\n";
}
if ($compression) {
$rules .= " Header set Vary \"Accept-Encoding\"\n";
}
if ($cache_control) {
$cache_policy = $config->get_string('browsercache.cssjs.cache.policy');
switch ($cache_policy) {
case 'cache':
$rules .= " Header set Pragma \"public\"\n";
$rules .= " Header set Cache-Control \"public\"\n";
break;
case 'cache_public_maxage':
$rules .= " Header set Pragma \"public\"\n";
if ($expires) {
$rules .= " Header append Cache-Control \"public\"\n";
} else {
$rules .= " Header set Cache-Control \"max-age=" . $lifetime . ", public\"\n";
}
break;
case 'cache_validation':
$rules .= " Header set Pragma \"public\"\n";
$rules .= " Header set Cache-Control \"public, must-revalidate, proxy-revalidate\"\n";
break;
case 'cache_noproxy':
$rules .= " Header set Pragma \"public\"\n";
$rules .= " Header set Cache-Control \"private, must-revalidate\"\n";
break;
case 'cache_maxage':
$rules .= " Header set Pragma \"public\"\n";
if ($expires) {
$rules .= " Header append Cache-Control \"public, must-revalidate, proxy-revalidate\"\n";
} else {
$rules .= " Header set Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\"\n";
}
break;
case 'no_cache':
$rules .= " Header set Pragma \"no-cache\"\n";
$rules .= " Header set Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\"\n";
break;
}
}
$rules .= "</IfModule>\n";
}
$rules .= W3TC_MARKER_END_MINIFY_CACHE . "\n";
return $rules;
}
/**
* Generates directives for file cache dir
*
* @param W3_Config $config
* @return string
*/
private function rules_cache_generate_nginx($config) {
$cache_dir = w3_filename_to_uri(W3TC_CACHE_MINIFY_DIR);
$browsercache = $config->get_boolean('browsercache.enabled');
$compression = ($browsercache && $config->get_boolean('browsercache.cssjs.compression'));
$expires = ($browsercache && $config->get_boolean('browsercache.cssjs.expires'));
$lifetime = ($browsercache ? $config->get_integer('browsercache.cssjs.lifetime') : 0);
$cache_control = ($browsercache && $config->get_boolean('browsercache.cssjs.cache.control'));
$w3tc = ($browsercache && $config->get_integer('browsercache.cssjs.w3tc'));
$rules = '';
$rules .= W3TC_MARKER_BEGIN_MINIFY_CACHE . "\n";
$common_rules = '';
if ($expires) {
$common_rules .= " expires modified " . $lifetime . "s;\n";
}
if ($w3tc) {
$common_rules .= " add_header X-Powered-By \"" . W3TC_POWERED_BY . "\";\n";
}
if ($compression) {
$common_rules .= " add_header Vary \"Accept-Encoding\";\n";
}
if ($cache_control) {
$cache_policy = $config->get_string('browsercache.cssjs.cache.policy');
switch ($cache_policy) {
case 'cache':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"public\";\n";
break;
case 'cache_public_maxage':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public\";\n";
break;
case 'cache_validation':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"public, must-revalidate, proxy-revalidate\";\n";
break;
case 'cache_noproxy':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"private, must-revalidate\";\n";
break;
case 'cache_maxage':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\";\n";
break;
case 'no_cache':
$common_rules .= " add_header Pragma \"no-cache\";\n";
$common_rules .= " add_header Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\";\n";
break;
}
}
$rules .= "location ~ " . $cache_dir . ".*\\.js$ {\n";
$rules .= " types {}\n";
$rules .= " default_type application/x-javascript;\n";
$rules .= $common_rules;
$rules .= "}\n";
$rules .= "location ~ " . $cache_dir . ".*\\.css$ {\n";
$rules .= " types {}\n";
$rules .= " default_type text/css;\n";
$rules .= $common_rules;
$rules .= "}\n";
if ($compression) {
$rules .= "location ~ " . $cache_dir . ".*js\\.gzip$ {\n";
$rules .= " gzip off;\n";
$rules .= " types {}\n";
$rules .= " default_type application/x-javascript;\n";
$rules .= $common_rules;
$rules .= " add_header Content-Encoding gzip;\n";
$rules .= "}\n";
$rules .= "location ~ " . $cache_dir . ".*css\\.gzip$ {\n";
$rules .= " gzip off;\n";
$rules .= " types {}\n";
$rules .= " default_type text/css;\n";
$rules .= $common_rules;
$rules .= " add_header Content-Encoding gzip;\n";
$rules .= "}\n";
}
$rules .= W3TC_MARKER_END_MINIFY_CACHE . "\n";
return $rules;
}
/**
* rules wpmu subfolder
**/
/**
* Writes directives to WP .htaccess
*
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_wpmu_subfolder_add($config, $exs) {
w3_add_rules($exs,
w3_get_browsercache_rules_cache_path(),
$this->rules_wpmu_subfolder_generate($config),
W3TC_MARKER_BEGIN_MINIFY_CACHE,
W3TC_MARKER_END_MINIFY_CACHE,
array(
W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0,
W3TC_MARKER_BEGIN_WORDPRESS => 0,
W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen(W3TC_MARKER_END_BROWSERCACHE_CACHE) + 1,
W3TC_MARKER_END_PGCACHE_CACHE => strlen(W3TC_MARKER_END_PGCACHE_CACHE) + 1,
W3TC_MARKER_END_MINIFY_CACHE => strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1
)
);
}
/**
* Removes Page Cache core directives
*
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_wpmu_subfolder_remove($exs) {
w3_remove_rules($exs, w3_get_browsercache_rules_cache_path(),
W3TC_MARKER_BEGIN_MINIFY_CACHE,
W3TC_MARKER_END_MINIFY_CACHE);
}
/**
* Generates rules for WP dir
*
* @param W3_Config $config
* @return string
*/
private function rules_wpmu_subfolder_generate($config) {
$cache_dir = w3_filename_to_uri(W3TC_CACHE_MINIFY_DIR);
$minify_filename = w3_filename_to_uri(W3TC_DIR . '/pub/minify.php');
$rule = W3TC_MARKER_BEGIN_MINIFY_CACHE . "\n";
$rule .= "<IfModule mod_rewrite.c> \n";
$rule .= " RewriteEngine On\n";
$rule .= " RewriteBase /\n";
$rule .= " RewriteRule ^[_0-9a-zA-Z-]+$cache_dir/[0-9]+/w3tc_rewrite_test$ $minify_filename?w3tc_rewrite_test=1 [L]\n";
$rule .= "</IfModule>\n";
$rule .= W3TC_MARKER_END_MINIFY_CACHE . "\n";
return $rule;
}
}
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