← All changes | includes/file-optimizer.php +64 -7 2.2 → trunk View file →

		@@ -60,16 +60,28 @@
60	60	'css' => 'text/css',
61	61	'js' => 'application/javascript',
62	62	);
63	63
	64	+$wp_content_base = '/wp-content';
	65	+if ( isset( $_SERVER['SCRIPT_NAME'] ) && false === strpos( $_SERVER['SCRIPT_NAME'], '/wp-content' ) ) {
	66	+ $script_name = explode( '/', ltrim( $_SERVER['SCRIPT_NAME'], '/' ) );
	67	+ if ( ! empty( $script_name[0] ) ) {
	68	+ $wp_content_base = '/' . $script_name[0];
	69	+ }
	70	+}
64	71
65	72	$current_dir = file_optimizer_normalize_path( realpath( dirname( __DIR__ ) ) );
66	73
67	74	/* Constants */
68	75	// By default determine the document root from this scripts path in the plugins dir (you can hardcode this define)
69		-define( 'CONCAT_FILES_ROOT', substr( $current_dir, 0, strpos( $current_dir, '/wp-content' ) ) );
70		-define( 'POWERED_CACHE_FO_CACHE_DIR', CONCAT_FILES_ROOT . '/wp-content/cache/min/' );
	76	+define( 'CONCAT_FILES_ROOT', substr( $current_dir, 0, strpos( $current_dir, $wp_content_base ) ) );
	77	+define( 'POWERED_CACHE_FO_CACHE_DIR', CONCAT_FILES_ROOT . $wp_content_base.'/cache/min/' );
	78	+define( 'POWERED_CACHE_FO_DEBUG', false );
71	79
	80	+if ( ! defined( 'POWERED_CACHE_FO_DISABLE_CACHE_HEADERS' ) ) {
	81	+ define( 'POWERED_CACHE_FO_DISABLE_CACHE_HEADERS', false );
	82	+}
	83	+
72	84	if ( ! file_exists( POWERED_CACHE_FO_CACHE_DIR ) ) {
73	85	mkdir( POWERED_CACHE_FO_CACHE_DIR, 0775, true );
74	86	}
75	87
		@@ -117,12 +129,14 @@
117	129	}
118	130
119	131	function concat_get_path( $uri ) {
120	132	if ( ! strlen( $uri ) ) {
	133	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - could not retrieve file path for uri %s", $uri ) );
121	134	concat_http_status_exit( 400 );
122	135	}
123	136
124	137	if ( false !== strpos( $uri, '..' ) || false !== strpos( $uri, "\0" ) ) {
	138	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - could not retrieve file path for uri %s", $uri ) );
125	139	concat_http_status_exit( 400 );
126	140	}
127	141
128	142	return CONCAT_FILES_ROOT . ( '/' != $uri[0] ? '/' : '' ) . $uri;
		@@ -140,8 +154,9 @@
140	154	}
141	155
142	156	/* Main() */
143	157	if ( ! in_array( $_SERVER['REQUEST_METHOD'], array( 'GET', 'HEAD' ) ) ) {
	158	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - unsupported request method: %s", $_SERVER['REQUEST_METHOD'] ) );
144	159	concat_http_status_exit( 400 );
145	160	}
146	161
147	162	// /_static/??/foo/bar.css,/foo1/bar/baz.css?m=293847g
		@@ -148,15 +163,15 @@
148	163	// or
149	164	// /_static/??-eJzTT8vP109KLNJLLi7W0QdyDEE8IK4CiVjn2hpZGluYmKcDABRMDPM=
150	165	$args = parse_url( $_SERVER['REQUEST_URI'], PHP_URL_QUERY );
151	166	if ( ! $args || false === strpos( $args, '?' ) ) {
	167	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - empty query arg or not ? exists" ) );
152	168	concat_http_status_exit( 400 );
153	169	}
154	170
155	171	$args = substr( $args, strpos( $args, '?' ) + 1 );
	172	+$args = str_replace( [ '&minify=1', '&minify=0' ], '', $args ); // remove minify parameter
156	173
157		-
158		-
159	174	// /foo/bar.css,/foo1/bar/baz.css?m=293847g
160	175	// or
161	176	// -eJzTT8vP109KLNJLLi7W0QdyDEE8IK4CiVjn2hpZGluYmKcDABRMDPM=
162	177	if ( '-' == $args[0] ) {
		@@ -163,8 +178,9 @@
163	178	$args = @gzuncompress( base64_decode( substr( $args, 1 ) ) );
164	179
165	180	// Invalid data, abort!
166	181	if ( false === $args ) {
	182	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Invalid Data" ) );
167	183	concat_http_status_exit( 400 );
168	184	}
169	185	}
170	186
		@@ -176,8 +192,9 @@
176	192
177	193	// /foo/bar.css,/foo1/bar/baz.css
178	194	$args = explode( ',', $args );
179	195	if ( ! $args ) {
	196	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Empty args" ) );
180	197	concat_http_status_exit( 400 );
181	198	}
182	199
183	200	// array('/wp-content/foo/bar.css','//cdn.cname.com/wp-content/foo/bar.css')
		@@ -189,8 +206,9 @@
189	206	}
190	207
191	208	// array( '/foo/bar.css', '/foo1/bar/baz.css' )
192	209	if ( 0 == count( $args ) || count( $args ) > $concat_max_files ) {
	210	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Concatenating too many or zero file: %s files on queue", count( $args ) ) );
193	211	concat_http_status_exit( 400 );
194	212	}
195	213
196	214	// If we're in a subdirectory context, use that as the root.
		@@ -206,10 +224,10 @@
206	224	$last_modified = 0;
207	225	$pre_output = '';
208	226	$output = '';
209	227
210		-$do_minify = (bool) stripos( $_SERVER['REQUEST_URI'], 'minify=1' );
211		-$hash = sha1( $_SERVER['REQUEST_URI'] );
	228	+$do_minify = (bool) stripos( $_SERVER['REQUEST_URI'], 'minify=1' );
	229	+$hash = sha1( $_SERVER['REQUEST_URI'] );
212	230	$latest_file = end( $args );
213	231
214	232	$cache_file_name = POWERED_CACHE_FO_CACHE_DIR . $hash;
215	233	if ( 'application/javascript' == concat_get_mtype( $latest_file ) ) {
		@@ -222,8 +240,9 @@
222	240	$buf = @file_get_contents( $cache_file_name );
223	241	if ( $buf ) {
224	242	$stat = stat( $cache_file_name );
225	243
	244	+ set_cache_headers();
226	245	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) . ' GMT' );
227	246	header( 'Content-Length: ' . ( strlen( $pre_output ) + strlen( $buf ) ) );
228	247	header( 'Content-Type: ' . concat_get_mtype( $latest_file ) );
229	248
		@@ -236,13 +255,15 @@
236	255
237	256	$fullpath = concat_get_path( $uri );
238	257
239	258	if ( ! file_exists( $fullpath ) ) {
	259	+ maybe_add_debug_log( sprintf( "File Optimizer 404 - Missing file: %s", $fullpath ) );
240	260	concat_http_status_exit( 404 );
241	261	}
242	262
243	263	$mime_type = concat_get_mtype( $fullpath );
244	264	if ( ! in_array( $mime_type, $concat_types ) ) {
	265	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Unsupported mime type: %s", $mime_type ) );
245	266	concat_http_status_exit( 400 );
246	267	}
247	268
248	269	if ( $concat_unique ) {
		@@ -250,8 +271,9 @@
250	271	$last_mime_type = $mime_type;
251	272	}
252	273
253	274	if ( $last_mime_type != $mime_type ) {
	275	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Different mime type: last mime %s vs current mime: %s", $last_mime_type, $mime_type ) );
254	276	concat_http_status_exit( 400 );
255	277	}
256	278	}
257	279
		@@ -256,8 +278,9 @@
256	278	}
257	279
258	280	$stat = stat( $fullpath );
259	281	if ( false === $stat ) {
	282	+ maybe_add_debug_log( sprintf( "File Optimizer 500 - false stat" ) );
260	283	concat_http_status_exit( 500 );
261	284	}
262	285
263	286	if ( $stat['mtime'] > $last_modified ) {
		@@ -265,8 +288,9 @@
265	288	}
266	289
267	290	$buf = file_get_contents( $fullpath );
268	291	if ( false === $buf ) {
	292	+ maybe_add_debug_log( sprintf( "File Optimizer 500 - false buffer" ) );
269	293	concat_http_status_exit( 500 );
270	294	}
271	295
272	296	if ( 'text/css' == $mime_type ) {
		@@ -339,8 +363,9 @@
339	363	$output = $css_minify->minify();
340	364	}
341	365	}
342	366
	367	+set_cache_headers();
343	368	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $last_modified ) . ' GMT' );
344	369	header( 'Content-Length: ' . ( strlen( $pre_output ) + strlen( $output ) ) );
345	370	header( "Content-Type: $mime_type" );
346	371
		@@ -384,5 +409,37 @@
384	409	$path = ucfirst( $path );
385	410	}
386	411
387	412	return $wrapper . $path;
388		-}
	413	+}
	414	+
	415	+/**
	416	+ * Maybe add debug message
	417	+ *
	418	+ * @param string $message Debug message
	419	+ *
	420	+ * @since 2.3
	421	+ */
	422	+function maybe_add_debug_log( $message ) {
	423	+ if ( defined( 'POWERED_CACHE_FO_DEBUG' ) && POWERED_CACHE_FO_DEBUG ) {
	424	+ error_log( $message );
	425	+ }
	426	+}
	427	+
	428	+
	429	+/**
	430	+ * Add cache headers
	431	+ *
	432	+ * @return void
	433	+ * @since 2.5.3
	434	+ */
	435	+function set_cache_headers() {
	436	+ if ( defined( 'POWERED_CACHE_FO_DISABLE_CACHE_HEADERS' ) && POWERED_CACHE_FO_DISABLE_CACHE_HEADERS ) {
	437	+ return;
	438	+ }
	439	+
	440	+ $ttl_in_seconds = 31536000; // 365 days
	441	+ $ttl = gmdate( "D, d M Y H:i:s", time() + $ttl_in_seconds ) . " GMT";
	442	+
	443	+ header( "Expires: $ttl" );
	444	+ header( "Cache-Control: max-age=$ttl_in_seconds" );
	445	+}