Ubuntu
busting_path = $busting_path . $blog_id . '/';
$this->busting_url = $busting_url . $blog_id . '/';
$this->ga_busting = $ga_busting;
$this->filesystem = is_null( $filesystem ) ? rocket_direct_filesystem() : $filesystem;
}
/** ----------------------------------------------------------------------------------------- */
/** PUBLIC METHODS ========================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Performs the replacement process.
*
* @since 3.1
* @access public
*
* @param string $html HTML content.
* @return string
*/
public function replace_url( $html ) {
$script = $this->find( ']+)?\s+src\s*=\s*[\'"]\s*?((?:https?:)?\/\/www\.googletagmanager\.com(?:.+)?)\s*?[\'"]([^>]+)?\/?>', $html );
if ( ! $script ) {
return $html;
}
// replace relative protocol // with full https://.
$gtm_url = preg_replace( '/^\/\//', 'https://', $script[2] );
Logger::info(
'GOOGLE TAG MANAGER CACHING PROCESS STARTED.',
[
self::LOGGER_CONTEXT,
'tag' => $script,
]
);
if ( ! $this->save( $gtm_url ) ) {
return $html;
}
$replace_script = str_replace( $script[2], $this->get_busting_url(), $script[0] );
$replace_script = str_replace( ' $this->get_busting_path(),
]
);
return $html;
}
/**
* Saves the content of the URL to cache to the busting file.
*
* @since 3.2
* @access public
*
* @param string $url URL to get the content from.
* @return bool
*/
public function refresh_save( $url ) {
// Before doing anything, make sure the busting file can be created.
if ( ! $this->is_busting_dir_writable() ) {
return false;
}
// Get remote content.
$content = $this->get_remote_contents( $url );
if ( ! $content ) {
// Could not get the remote contents.
return false;
}
$version = md5( $content );
$path = $this->get_busting_file_path( $version );
$content = $this->replace_ga_url( $content );
return $this->update_file_contents( $path, $content );
}
/** ----------------------------------------------------------------------------------------- */
/** VARIOUS INTERNAL TOOLS ================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Searches for element(s) in the DOM.
*
* @since 3.1
* @access public
*
* @param string $pattern Pattern to match.
* @param string $html HTML content.
* @return string
*/
protected function find( $pattern, $html ) {
preg_match_all( '/' . $pattern . '/Umsi', $html, $matches, PREG_SET_ORDER );
if ( empty( $matches ) ) {
return false;
}
return $matches[0];
}
/**
* Replaces the Google Analytics URL by the local copy inside the gtm-local.js file content
*
* @since 3.1
*
* @param string $content JavaScript content.
* @return string
*/
protected function replace_ga_url( $content ) {
if ( ! $this->ga_busting->save( $this->ga_busting->get_url() ) ) {
return $content;
}
return str_replace( $this->ga_busting->get_url(), $this->ga_busting->get_busting_url(), $content );
}
}