← All changes | inc/common-functions.php +67 -5 4.0.26 → trunk View file →

		@@ -24,10 +24,47 @@
24	24
25	25	return true;
26	26	}
27	27
	28	+function bwp_request_is_https() {
	29	+ if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') {
	30	+ return true;
	31	+ }
	32	+
	33	+ // Reverse proxy / load balancer terminating TLS upstream
	34	+ if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
	35	+ // may be a comma-separated chain: "https,http" — first hop is the client
	36	+ $proto = strtolower(trim(explode(',', $_SERVER['HTTP_X_FORWARDED_PROTO'])[0]));
	37	+ if ($proto === 'https') {
	38	+ return true;
	39	+ }
	40	+ }
	41	+
	42	+ if (!empty($_SERVER['HTTP_X_FORWARDED_SSL']) && strtolower($_SERVER['HTTP_X_FORWARDED_SSL']) === 'on') {
	43	+ return true;
	44	+ }
	45	+
	46	+ if (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) === 'on') {
	47	+ return true;
	48	+ }
	49	+
	50	+ if (!empty($_SERVER['SERVER_PORT']) && (int) $_SERVER['SERVER_PORT'] === 443) {
	51	+ return true;
	52	+ }
	53	+
	54	+ return false;
	55	+}
	56	+
28	57	function bwp_get_request_url() {
29		- $scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https://' : 'http://';
	58	+
	59	+ $scheme = 'http://';
	60	+
	61	+ if (bwp_request_is_https()) {
	62	+ $scheme = 'https://';
	63	+ } elseif (function_exists('wp_parse_url') && function_exists('get_option')) {
	64	+ $scheme = (wp_parse_url(get_option('home'), PHP_URL_SCHEME) === 'https') ? 'https://' : 'http://';
	65	+ }
	66	+
30	67	$host = isset($_SERVER['HTTP_HOST']) ? strip_tags(stripslashes($_SERVER['HTTP_HOST'])) : 'localhost';
31	68	$uri = isset($_SERVER['REQUEST_URI']) ? strip_tags(stripslashes($_SERVER['REQUEST_URI'])) : '/';
32	69	$url = $scheme . $host . $uri;
33	70	return strtolower($url);
		@@ -97,9 +134,15 @@
97	134	if (php_sapi_name() === 'cli' || (defined('WP_CLI') && WP_CLI)) {
98	135	return;
99	136	}
100	137
	138	+ if ( strpos( $_SERVER["REQUEST_URI"], "berqwp-ping" ) !== false ) {
	139	+ echo "PONG";
	140	+ exit();
	141	+ }
	142	+
101	143	if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'GET' && !bwp_is_user_logged_in() && !bwp_is_ajax() && !berqDetectCrawler::is_crawler() && bwp_pass_cookie_requirement()) {
	144	+
102	145	$berqconfigs = berqConfigs::getInstance();
103	146	$configs = $berqconfigs->get_configs();
104	147	$url = bwp_get_request_url();
105	148	$url = @dropin_remove_ignore_params($url);
		@@ -117,13 +160,15 @@
117	160	// $compression_enabled = $configs['page_compression'] === true;
118	161	$compression_enabled = true;
119	162	$accept_encoding = $_SERVER['HTTP_ACCEPT_ENCODING'] ?? '';
120	163	$supports_gzip = strpos($accept_encoding, 'gzip') !== false;
	164	+ $domain = isset($_SERVER['HTTP_HOST']) ? strip_tags(stripslashes($_SERVER['HTTP_HOST'])) : '';
121	165
122	166	if (berqwp_dropin_is_page_url_excluded($url)) {
123	167	return;
124	168	}
125	169
	170	+
126	171	if (file_exists($cache_file) && $cache_max_life > time()) {
127	172	$file_content = @file_get_contents($cache_file);
128	173
129	174	if (!isset($_GET['creating_cache']) && file_exists($cache_file)) {
		@@ -145,9 +190,10 @@
145	190	header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $lastModified) . ' GMT');
146	191	header('X-File-Size: ' . filesize($cache_file), true);
147	192	header('Content-Type: text/html; charset=utf-8');
148	193	header("X-served: $serve_from");
149		- header('Vary: Cookie');
	194	+ header("X-BerqWP-Cache: HIT");
	195	+ // header('Vary: Cookie');
150	196
151	197	// Check if the client has a cached copy and if it's still valid using Last-Modified
152	198	if ((isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $lastModified) || (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] === $etag)) {
153	199	// The client's cache is still valid based on Last-Modified, respond with a 304 Not Modified
		@@ -152,16 +198,32 @@
152	198	if ((isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $lastModified) || (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] === $etag)) {
153	199	// The client's cache is still valid based on Last-Modified, respond with a 304 Not Modified
154	200	header('HTTP/1.1 304 Not Modified');
155	201	// header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
156		- header("Expires: 0");
157		- header('Cache-Control: no-cache, must-revalidate');
	202	+ // header("Expires: 0");
	203	+ // header('Cache-Control: no-cache, must-revalidate');
	204	+ header('Cache-Control: public, max-age=600, s-maxage=2592000, stale-while-revalidate=86400', true);
	205	+ header('cdn-cache-control: max-age=2592000');
	206	+ header("Cache-Tag: $domain");
158	207	exit();
159	208
160	209	}
161	210
	211	+ // Prevent PHP/Apache from re-compressing the already-gzipped cache file
	212	+ if (ini_get('zlib.output_compression')) {
	213	+ ini_set('zlib.output_compression', 'Off');
	214	+ }
	215	+
	216	+ while (ob_get_level()) {
	217	+ ob_end_clean();
	218	+ }
	219	+
162	220	// header('Cache-Control: public, max-age=0, s-maxage=3600, must-revalidate', true);
163		- header('Cache-Control: public, max-age=60, s-maxage=3600, stale-while-revalidate=60, must-revalidate', true);
	221	+ // header('Cache-Control: public, max-age=60, s-maxage=3600, stale-while-revalidate=60, must-revalidate', true);
	222	+ header('Cache-Control: public, max-age=600, s-maxage=2592000, stale-while-revalidate=86400', true);
	223	+ header('cdn-cache-control: max-age=2592000');
	224	+ header("Cache-Tag: $domain");
	225	+ // header("Content-Security-Policy: script-src 'self' blob: 'unsafe-inline'");
164	226	header('Vary: Accept-Encoding, Cookie');
165	227	header('Content-Encoding: gzip', true);
166	228	header('Content-Length: ' . filesize($cache_file), true);
167	229	readfile($cache_file);