/**
* Link replace callback
*
* @param string $matches
* @return string
*/
function link_replace_callback($matches)
{
static $id = null, $extensions = null, $exceptions = null;
if ($id === null) {
$id = $this->get_replace_id();
}
if ($extensions === null) {
$extensions = $this->get_replace_extensions();
}
if ($exceptions === null) {
$exceptions = $this->_config->get_array('browsercache.replace.exceptions');
}
list($match, $attr, $url, , , , , $extension) = $matches;
if (in_array($extension, $extensions)) {
$url = w3_remove_query($url);
foreach ($exceptions as $exception) {
if (preg_match('/' . $exception . '/', $url)) {
return $match;
}
}
$url .= (strstr($url, '?') !== false ? '&' : '?') . $id;
if ($attr != 'w3tc_load_js(') {
return sprintf('%s="%s"', $attr, $url);
}
return sprintf('%s\'%s\'', $attr, $url);
}
return $match;
}
private static function _processUriCB($m)
{
// $m matched either '/@import\\s+([\'"])(.*?)[\'"]/' or '/url\\(\\s*([^\\)\\s]+)\\s*\\)/'
$isImport = $m[0][0] === '@';
// determine URI and the quote character (if any)
if ($isImport) {
$quoteChar = $m[1];
$uri = $m[2];
} else {
// $m[1] is either quoted or not
$quoteChar = $m[1][0] === "'" || $m[1][0] === '"' ? $m[1][0] : '';
$uri = $quoteChar === '' ? $m[1] : substr($m[1], 1, strlen($m[1]) - 2);
}
// analyze URI
if (false === strpos($uri, '//') && 0 !== strpos($uri, 'data:')) {
// prepend
if (self::$_prependRelativePath) {
if (w3_is_url(self::$_prependRelativePath)) {
$parse_url = @parse_url(self::$_prependRelativePath);
if ($parse_url && isset($parse_url['host'])) {
$scheme = $parse_url['scheme'];
$host = $parse_url['host'];
$port = isset($parse_url['port']) && $parse_url['port'] != 80 ? ':' . (int) $parse_url['port'] : '';
$path = !empty($parse_url['path']) ? $parse_url['path'] : '/';
$dir_css = preg_replace('~[^/]+$~', '', $path);
$dir_obj = preg_replace('~[^/]+$~', '', $uri);
$dir = ltrim(strpos($dir_obj, '/') === 0 ? w3_realpath($dir_obj) : w3_realpath($dir_css . $dir_obj), '/');
$file = basename($uri);
$uri = sprintf('%s://%s%s/%s/%s', $scheme, $host, $port, $dir, $file);
}
} else {
$uri = self::$_prependRelativePath . $uri;
}
} else {
$uri = self::_rewriteRelative($uri, self::$_currentDir, self::$_docRoot, self::$_symlinks);
if (self::$_prependAbsolutePath) {
$prependAbsolutePath = self::$_prependAbsolutePath;
} elseif (self::$_prependAbsolutePathCallback) {
$prependAbsolutePath = call_user_func(self::$_prependAbsolutePathCallback, $uri);
} else {
$prependAbsolutePath = '';
}
if ($prependAbsolutePath) {
$uri = rtrim($prependAbsolutePath, '/') . $uri;
}
}
if (self::$_browserCacheId && count(self::$_browserCacheExtensions)) {
$matches = null;
if (preg_match('~\\.([a-z-_]+)(\\?.*)?$~', $uri, $matches)) {
$extension = $matches[1];
$query = isset($matches[2]) ? $matches[2] : '';
if ($extension && in_array($extension, self::$_browserCacheExtensions)) {
$uri = w3_remove_query($uri);
$uri .= ($query ? '&' : '?') . self::$_browserCacheId;
}
}
}
}
return $isImport ? "@import {$quoteChar}{$uri}{$quoteChar}" : "url({$quoteChar}{$uri}{$quoteChar})";
}
/**
* Normalizes file name for minify
*
* Relative to document root!
*
* @param string $file
* @return string
*/
function w3_normalize_file_minify2($file)
{
$file = w3_remove_query($file);
$file = w3_normalize_file_minify($file);
$file = w3_translate_file($file);
return $file;
}
/**
* Creates add-in
* @throws FilesystemOperationException
*/
private function create_addin()
{
$src = W3TC_INSTALL_FILE_DB;
$dst = W3TC_ADDIN_FILE_DB;
if ($this->db_installed()) {
if ($this->is_dbcache_add_in()) {
$script_data = @file_get_contents($dst);
if ($script_data == @file_get_contents($src)) {
return;
}
} elseif (!$this->db_check_old_add_in()) {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/other.php');
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/ui.php');
if (isset($_GET['page'])) {
$url = 'admin.php?page=' . $_GET['page'] . '&';
} else {
$url = basename(w3_remove_query($_SERVER['REQUEST_URI'])) . '?page=w3tc_dashboard&';
}
$remove_url = w3_admin_url($url . 'w3tc_default_remove_add_in=dbcache');
throw new FilesystemOperationException(sprintf(__('The Database add-in file db.php is not a W3 Total Cache drop-in.
Remove it or disable Database Caching. %s', 'w3-total-cache'), w3tc_button_link(__('Remove it for me', 'w3-total-cache'), wp_nonce_url($remove_url, 'w3tc'))));
}
}
w3_wp_copy_file($src, $dst);
}
/**
* Link replace callback
*
* @param string $matches
* @return string
*/
function link_replace_callback($matches)
{
static $id = null, $extensions = null;
if ($id === null) {
$id = $this->get_replace_id();
}
if ($extensions === null) {
$extensions = $this->get_replace_extensions();
}
list($match, $attr, $url, , , , , $extension) = $matches;
if (in_array($extension, $extensions)) {
$url = w3_remove_query($url);
$url .= (strstr($url, '?') !== false ? '&' : '?') . $id;
return sprintf('%s="%s"', $attr, $url);
}
return $match;
}
function _url_has_to_be_replaced($url, $extension)
{
static $extensions = null;
if ($extensions === null) {
$extensions = $this->get_replace_extensions();
}
static $exceptions = null;
if ($exceptions === null) {
$exceptions = $this->_config->get_array('browsercache.replace.exceptions');
}
if (!in_array($extension, $extensions)) {
return false;
}
$test_url = w3_remove_query($url);
foreach ($exceptions as $exception) {
if (trim($exception) && preg_match('/' . $exception . '/', $test_url)) {
return false;
}
}
return true;
}
