/**
* Sets data
*
* @param string $key
* @param string $var
* @return boolean
*/
function set($key, $var)
{
$sub_path = $this->_get_path($key);
$path = $this->_cache_dir . '/' . $sub_path;
$sub_dir = dirname($sub_path);
$dir = dirname($path);
if (is_dir($dir) || w3_mkdir($sub_dir, 0755, $this->_cache_dir)) {
$fp = @fopen($path, 'w');
if ($fp) {
@fputs($fp, $var);
@fclose($fp);
return true;
}
}
return false;
}
/**
* Sets data
*
* @param string $key
* @param mixed $var
* @param integer $expire
* @return boolean
*/
function set($key, $var, $expire = 0)
{
$sub_path = $this->_get_path($key);
$path = $this->_cache_dir . '/' . $sub_path;
$sub_dir = dirname($sub_path);
$dir = dirname($path);
if (is_dir($dir) || w3_mkdir($sub_dir, 0755, $this->_cache_dir)) {
$fp = @fopen($path, 'wb');
if ($fp) {
@fputs($fp, pack('L', $expire));
@fputs($fp, @serialize($var));
@fclose($fp);
return true;
}
}
return false;
}
/**
* Write data to cache.
*
* @param string $id cache id (e.g. a filename)
*
* @param string $data
*
* @return bool success
*/
public function store($id, $data)
{
$path = $this->_path . '/' . $id;
$flag = $this->_locking ? LOCK_EX : null;
if (is_file($path)) {
@unlink($path);
}
$dir = dirname($id);
if ($dir) {
w3_mkdir($dir, 0777, $this->_path);
}
if (!@file_put_contents($path, $data, $flag)) {
return false;
}
// write control
if ($data != $this->fetch($id)) {
@unlink($path);
return false;
}
return true;
}
/**
* Sets data
*
* @param string $key
* @param string $var
* @return boolean
*/
function set($key, $var)
{
$sub_path = $this->_get_path($key);
$path = $this->_cache_dir . '/' . $sub_path;
$sub_dir = dirname($sub_path);
$dir = dirname($path);
if (@is_dir($dir) || w3_mkdir($sub_dir, 0777, $this->_cache_dir)) {
$fp = @fopen($path, 'w');
if ($fp) {
if ($this->_locking) {
@flock($fp, LOCK_EX);
}
@fputs($fp, $var);
@fclose($fp);
if ($this->_locking) {
@flock($fp, LOCK_UN);
}
return true;
}
}
return false;
}
/**
* Add index.html to minify folder
*/
function add_index_files_if_required()
{
if ($this->_config->get_string('minify.engine') == 'file') {
if (!file_exists(W3TC_CACHE_MINIFY_DIR . '/index.html')) {
if (!is_dir(W3TC_CACHE_MINIFY_DIR)) {
w3_mkdir(W3TC_CACHE_MINIFY_DIR, W3TC_CACHE_DIR);
}
@file_put_contents(W3TC_CACHE_MINIFY_DIR . '/index.html', '');
}
}
}
/**
* Imports library
*
* @param integer $limit
* @param integer $offset
* @param integer $count
* @param integer $total
* @param array $results
* @return boolean
*/
function import_library($limit, $offset, &$count, &$total, &$results)
{
global $wpdb;
$count = 0;
$total = 0;
$results = array();
$upload_info = w3_upload_info();
$uploads_use_yearmonth_folders = get_option('uploads_use_yearmonth_folders');
$document_root = w3_get_document_root();
@set_time_limit($this->_config->get_integer('timelimit.cdn_import'));
if ($upload_info) {
/**
* Search for posts with links or images
*/
$sql = sprintf('SELECT
ID,
post_content,
post_date
FROM
%sposts
WHERE
post_status = "publish"
AND (post_type = "post" OR post_type = "page")
AND (post_content LIKE "%%src=%%"
OR post_content LIKE "%%href=%%")
', $wpdb->prefix);
if ($limit) {
$sql .= sprintf(' LIMIT %d', $limit);
if ($offset) {
$sql .= sprintf(' OFFSET %d', $offset);
}
}
$posts = $wpdb->get_results($sql);
if ($posts) {
$count = count($posts);
$total = $this->get_import_posts_count();
$regexp = '~(' . $this->get_regexp_by_mask($this->_config->get_string('cdn.import.files')) . ')$~';
$import_external = $this->_config->get_boolean('cdn.import.external');
foreach ($posts as $post) {
$matches = null;
$replaced = array();
$attachments = array();
$post_content = $post->post_content;
/**
* Search for all link and image sources
*/
if (preg_match_all('~(href|src)=[\'"]?([^\'"<>\\s]+)[\'"]?~', $post_content, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
list($search, $attribute, $origin) = $match;
/**
* Check if $search is already replaced
*/
if (isset($replaced[$search])) {
continue;
}
$error = '';
$result = false;
$src = w3_normalize_file_minify($origin);
$dst = '';
/**
* Check if file exists in the library
*/
if (stristr($origin, $upload_info['baseurl']) === false) {
/**
* Check file extension
*/
$check_src = $src;
if (w3_is_url($check_src)) {
$qpos = strpos($check_src, '?');
if ($qpos !== false) {
$check_src = substr($check_src, 0, $qpos);
}
}
if (preg_match($regexp, $check_src)) {
/**
* Check for already uploaded attachment
*/
if (isset($attachments[$src])) {
list($dst, $dst_url) = $attachments[$src];
$result = true;
} else {
if ($uploads_use_yearmonth_folders) {
$upload_subdir = date('Y/m', strtotime($post->post_date));
$upload_dir = sprintf('%s/%s', $upload_info['basedir'], $upload_subdir);
$upload_url = sprintf('%s/%s', $upload_info['baseurl'], $upload_subdir);
} else {
$upload_subdir = '';
$upload_dir = $upload_info['basedir'];
$upload_url = $upload_info['baseurl'];
}
$src_filename = pathinfo($src, PATHINFO_FILENAME);
$src_extension = pathinfo($src, PATHINFO_EXTENSION);
/**
* Get available filename
*/
for ($i = 0;; $i++) {
$dst = sprintf('%s/%s%s%s', $upload_dir, $src_filename, $i ? $i : '', $src_extension ? '.' . $src_extension : '');
if (!file_exists($dst)) {
break;
}
}
$dst_basename = basename($dst);
$dst_url = sprintf('%s/%s', $upload_url, $dst_basename);
$dst_path = ltrim(str_replace($document_root, '', w3_path($dst)), '/');
if ($upload_subdir) {
w3_mkdir($upload_subdir, 0777, $upload_info['basedir']);
}
$download_result = false;
/**
* Check if file is remote URL
*/
if (w3_is_url($src)) {
/**
* Download file
*/
if ($import_external) {
$download_result = w3_download($src, $dst);
if (!$download_result) {
$error = 'Unable to download file';
}
} else {
$error = 'External file import is disabled';
}
} else {
/**
* Otherwise copy file from local path
*/
$src_path = $document_root . '/' . urldecode($src);
if (file_exists($src_path)) {
$download_result = @copy($src_path, $dst);
if (!$download_result) {
$error = 'Unable to copy file';
}
} else {
$error = 'Source file doesn\'t exists';
}
}
/**
* Check if download or copy was successful
*/
if ($download_result) {
w3_require_once(W3TC_INC_DIR . '/functions/mime.php');
$title = $dst_basename;
$guid = ltrim($upload_info['baseurlpath'] . $title, ',');
$mime_type = w3_get_mime_type($dst);
$GLOBALS['wp_rewrite'] = new WP_Rewrite();
/**
* Insert attachment
*/
$id = wp_insert_attachment(array('post_mime_type' => $mime_type, 'guid' => $guid, 'post_title' => $title, 'post_content' => '', 'post_parent' => $post->ID), $dst);
if (!is_wp_error($id)) {
/**
* Generate attachment metadata and upload to CDN
*/
require_once ABSPATH . 'wp-admin/includes/image.php';
wp_update_attachment_metadata($id, wp_generate_attachment_metadata($id, $dst));
$attachments[$src] = array($dst, $dst_url);
$result = true;
} else {
$error = 'Unable to insert attachment';
}
}
}
/**
* If attachment was successfully created then replace links
*/
if ($result) {
$replace = sprintf('%s="%s"', $attribute, $dst_url);
// replace $search with $replace
$post_content = str_replace($search, $replace, $post_content);
$replaced[$search] = $replace;
$error = 'OK';
}
} else {
$error = 'File type rejected';
}
} else {
$error = 'File already exists in the media library';
}
/**
* Add new entry to the log file
*/
$results[] = array('src' => $src, 'dst' => $dst_path, 'result' => $result, 'error' => $error);
}
}
/**
* If post content was chenged then update DB
*/
if ($post_content != $post->post_content) {
wp_update_post(array('ID' => $post->ID, 'post_content' => $post_content));
}
}
}
}
}
/**
* Exports min files to CDN
*
* @return array
*/
function get_files_minify()
{
$files = array();
if (W3TC_PHP5 && $this->_config->get_boolean('minify.rewrite') && (!$this->_config->get_boolean('minify.auto') || w3_is_cdn_mirror($this->_config->get_string('cdn.engine')))) {
require_once W3TC_INC_DIR . '/functions/http.php';
$minify =& w3_instance('W3_Plugin_Minify');
$document_root = w3_get_document_root();
$site_root = w3_get_site_root();
$minify_root = w3_path(W3TC_CACHE_FILE_MINIFY_DIR);
$minify_path = ltrim(str_replace($site_root, rtrim(w3_get_site_path(), '/'), $minify_root), '/');
$urls = $minify->get_urls();
if ($this->_config->get_string('minify.engine') == 'file') {
foreach ($urls as $url) {
w3_http_get($url);
}
$files = $this->search_files($minify_root, $minify_path, '*.css;*.js');
} else {
foreach ($urls as $url) {
$file = w3_normalize_file_minify($url);
$file = w3_translate_file($file);
if (!w3_is_url($file)) {
$file = $document_root . '/' . $file;
$file = ltrim(str_replace($minify_root, '', $file), '/');
$dir = dirname($file);
if ($dir) {
w3_mkdir($dir, 0777, $minify_root);
}
if (w3_download($url, $minify_root . '/' . $file) !== false) {
$files[] = $minify_path . '/' . $file;
}
}
}
}
}
return $files;
}
/**
* Sets data
*
* @param string $key
* @param mixed $var
* @param integer $expire
* @return boolean
*/
function set($key, &$var, $expire = 0)
{
$sub_path = $this->_get_path($key);
$path = $this->_cache_dir . DIRECTORY_SEPARATOR . $sub_path;
$sub_dir = dirname($sub_path);
$dir = dirname($path);
if (@is_dir($dir) || w3_mkdir($sub_dir, 0777, $this->_cache_dir)) {
$fp = @fopen($path, 'wb');
if ($fp) {
if ($this->_locking) {
@flock($fp, LOCK_EX);
}
@fputs($fp, pack('L', $expire));
@fputs($fp, @serialize($var));
@fclose($fp);
if ($this->_locking) {
@flock($fp, LOCK_UN);
}
return true;
}
}
return false;
}
/**
* @param $folder
* @param string $method Which method to use when creating
* @param string $url Where to redirect after creation
* @param bool|string $context folder to create folder in
* @throws FilesystemCredentialException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
function w3_wp_create_folder($folder, $method = '', $url = '', $context = false)
{
if (!@is_dir($folder) && !@w3_mkdir($folder)) {
w3_wp_request_filesystem_credentials($method, $url, $context);
global $wp_filesystem;
if (!$wp_filesystem->mkdir($folder, FS_CHMOD_DIR)) {
throw new FileOperationException('Could not create directory:' . $folder, 'create', 'folder', $folder);
}
}
}
/**
* Imports library
*
* @param integer $limit
* @param integer $offset
* @param integer $count
* @param integer $total
* @param array $results
* @return boolean
*/
function import_library($limit, $offset, &$count, &$total, &$results)
{
global $wpdb;
$count = 0;
$total = 0;
$results = array();
$site_url = w3_get_site_url();
$upload_info = w3_upload_info();
if ($upload_info) {
$sql = sprintf('SELECT
ID,
post_content,
post_date
FROM
%sposts
WHERE
post_status = "publish"
AND (post_type = "post" OR post_type = "page")
AND (post_content LIKE "%%src=%%"
OR post_content LIKE "%%href=%%")
', $wpdb->prefix);
if ($limit) {
$sql .= sprintf(' LIMIT %d', $limit);
if ($offset) {
$sql .= sprintf(' OFFSET %d', $offset);
}
}
$posts = $wpdb->get_results($sql);
if ($posts) {
$count = count($posts);
$total = $this->get_import_posts_count();
$regexp = $this->get_regexp_by_mask($this->_config->get_string('cdn.import.files'));
$import_external = $this->_config->get_boolean('cdn.import.external');
foreach ($posts as $post) {
$matches = null;
$post_content = $post->post_content;
if (preg_match_all('~(href|src)=[\'"]?([^\'"<>\\s]+)[\'"]?~', $post_content, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$src = w3_normalize_file($match[2]);
if (preg_match('~(' . $regexp . ')$~', $src)) {
$src_dir = date('Y/m', strtotime($post->post_date));
$src_base = basename($src);
$dst = sprintf('%s/%s/%s', $upload_info['upload_dir'], $src_dir, $src_base);
$dst_dir = dirname($dst);
$dst_path = ABSPATH . $dst;
$dst_url = sprintf('%s%s/%s/%s', $site_url, $upload_info['upload_url'], $src_dir, $src_base);
$result = false;
$error = '';
$download_result = null;
w3_mkdir($dst_dir, 0755, ABSPATH);
// file already exists
if (!file_exists($dst_path)) {
// source is external URL
if (w3_is_url($src)) {
if ($import_external) {
$download_result = $this->download($src, $dst_path);
} else {
$error = 'External file import is disabled';
}
// source is local file not in wp-content/uploads dir
} elseif (strstr($src, $upload_info['upload_dir']) === false) {
$src_path = ABSPATH . $src;
$download_result = @copy($src_path, $dst_path);
// file is already in wp-content/uploads dir
} else {
$error = 'Source file already exists';
}
if ($download_result !== null) {
if ($download_result) {
$title = $src_base;
$guid = $upload_info['upload_url'] . '/' . $title;
$mime_type = w3_get_mime_type($src_base);
$GLOBALS['wp_rewrite'] =& new WP_Rewrite();
$id = wp_insert_attachment(array('post_mime_type' => $mime_type, 'guid' => $guid, 'post_title' => $title, 'post_content' => ''), $dst_path);
if (!is_wp_error($id)) {
require_once ABSPATH . 'wp-admin/includes/image.php';
wp_update_attachment_metadata($id, wp_generate_attachment_metadata($id, $dst_path));
$post_content = str_replace($src, $dst_url, $post_content);
$result = true;
$error = 'OK';
} else {
$error = 'Unable to insert attachment';
}
} else {
$error = 'Unable to download file';
}
}
} else {
$error = 'Destination file already exists';
}
$results[] = array('src' => $src, 'dst' => $dst, 'result' => $result, 'error' => $error);
}
}
}
if ($post_content != $post->post_content) {
wp_update_post(array('ID' => $post->ID, 'post_content' => $post_content));
}
}
}
}
}