Astra_WebFont_Loader::get_remote_url_contents()

	public function get_remote_url_contents() {

		/**
		 * The user-agent we want to use.
		 *
		 * The default user-agent is the only one compatible with woff (not woff2)
		 * which also supports unicode ranges.
		 */
		$user_agent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/603.3.8 (KHTML, like Gecko) Version/10.1.2 Safari/603.3.8';

		// Switch to a user-agent supporting woff2 if we don't need to support IE.
		if ( 'woff2' === $this->font_format ) {
			$user_agent = 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73.0';
		}

		// Get the response.
		$response = wp_remote_get( $this->remote_url, array( 'user-agent' => $user_agent ) );

		// Early exit if there was an error.
		if ( is_wp_error( $response ) ) {
			return '';
		}

		// Get the CSS from our response.
		$contents = wp_remote_retrieve_body( $response );

		return $contents;
	}