← All changes | includes/file-optimizer.php +107 -6 2.0 → trunk View file →

		@@ -60,14 +60,28 @@
60	60	'css' => 'text/css',
61	61	'js' => 'application/javascript',
62	62	);
63	63
64		-/*
65		- Constants */
	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 = '/' . $script_name[0];
	69	+ }
	70	+}
	71	+
	72	+$current_dir = file_optimizer_normalize_path( realpath( dirname( __DIR__ ) ) );
	73	+
	74	+/* Constants */
66	75	// By default determine the document root from this scripts path in the plugins dir (you can hardcode this define)
67		-define( 'CONCAT_FILES_ROOT', substr( dirname( __DIR__ ), 0, strpos( dirname( __DIR__ ), '/wp-content' ) ) );
68		-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 );
69	79
	80	+if ( ! defined( 'POWERED_CACHE_FO_DISABLE_CACHE_HEADERS' ) ) {
	81	+ define( 'POWERED_CACHE_FO_DISABLE_CACHE_HEADERS', false );
	82	+}
	83	+
70	84	if ( ! file_exists( POWERED_CACHE_FO_CACHE_DIR ) ) {
71	85	mkdir( POWERED_CACHE_FO_CACHE_DIR, 0775, true );
72	86	}
73	87
		@@ -115,12 +129,14 @@
115	129	}
116	130
117	131	function concat_get_path( $uri ) {
118	132	if ( ! strlen( $uri ) ) {
	133	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - could not retrieve file path for uri %s", $uri ) );
119	134	concat_http_status_exit( 400 );
120	135	}
121	136
122	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 ) );
123	139	concat_http_status_exit( 400 );
124	140	}
125	141
126	142	return CONCAT_FILES_ROOT . ( '/' != $uri[0] ? '/' : '' ) . $uri;
		@@ -138,8 +154,9 @@
138	154	}
139	155
140	156	/* Main() */
141	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'] ) );
142	159	concat_http_status_exit( 400 );
143	160	}
144	161
145	162	// /_static/??/foo/bar.css,/foo1/bar/baz.css?m=293847g
		@@ -146,12 +163,14 @@
146	163	// or
147	164	// /_static/??-eJzTT8vP109KLNJLLi7W0QdyDEE8IK4CiVjn2hpZGluYmKcDABRMDPM=
148	165	$args = parse_url( $_SERVER['REQUEST_URI'], PHP_URL_QUERY );
149	166	if ( ! $args || false === strpos( $args, '?' ) ) {
	167	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - empty query arg or not ? exists" ) );
150	168	concat_http_status_exit( 400 );
151	169	}
152	170
153	171	$args = substr( $args, strpos( $args, '?' ) + 1 );
	172	+$args = str_replace( [ '&minify=1', '&minify=0' ], '', $args ); // remove minify parameter
154	173
155	174	// /foo/bar.css,/foo1/bar/baz.css?m=293847g
156	175	// or
157	176	// -eJzTT8vP109KLNJLLi7W0QdyDEE8IK4CiVjn2hpZGluYmKcDABRMDPM=
		@@ -159,8 +178,9 @@
159	178	$args = @gzuncompress( base64_decode( substr( $args, 1 ) ) );
160	179
161	180	// Invalid data, abort!
162	181	if ( false === $args ) {
	182	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Invalid Data" ) );
163	183	concat_http_status_exit( 400 );
164	184	}
165	185	}
166	186
		@@ -172,13 +192,23 @@
172	192
173	193	// /foo/bar.css,/foo1/bar/baz.css
174	194	$args = explode( ',', $args );
175	195	if ( ! $args ) {
	196	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Empty args" ) );
176	197	concat_http_status_exit( 400 );
177	198	}
178	199
	200	+// array('/wp-content/foo/bar.css','//cdn.cname.com/wp-content/foo/bar.css')
	201	+// get real path when it masked from cdn
	202	+foreach ( $args as $index => $arg ) {
	203	+ if ( 0 === stripos( $arg, '//' ) ) {
	204	+ $args[ $index ] = parse_url( str_replace( '//', 'http://', $arg ), PHP_URL_PATH );
	205	+ }
	206	+}
	207	+
179	208	// array( '/foo/bar.css', '/foo1/bar/baz.css' )
180	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 ) ) );
181	211	concat_http_status_exit( 400 );
182	212	}
183	213
184	214	// If we're in a subdirectory context, use that as the root.
		@@ -194,10 +224,10 @@
194	224	$last_modified = 0;
195	225	$pre_output = '';
196	226	$output = '';
197	227
198		-$do_minify = (bool) stripos( $_SERVER['REQUEST_URI'], 'minify=1' );
199		-$hash = sha1( $_SERVER['REQUEST_URI'] );
	228	+$do_minify = (bool) stripos( $_SERVER['REQUEST_URI'], 'minify=1' );
	229	+$hash = sha1( $_SERVER['REQUEST_URI'] );
200	230	$latest_file = end( $args );
201	231
202	232	$cache_file_name = POWERED_CACHE_FO_CACHE_DIR . $hash;
203	233	if ( 'application/javascript' == concat_get_mtype( $latest_file ) ) {
		@@ -210,8 +240,9 @@
210	240	$buf = @file_get_contents( $cache_file_name );
211	241	if ( $buf ) {
212	242	$stat = stat( $cache_file_name );
213	243
	244	+ set_cache_headers();
214	245	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) . ' GMT' );
215	246	header( 'Content-Length: ' . ( strlen( $pre_output ) + strlen( $buf ) ) );
216	247	header( 'Content-Type: ' . concat_get_mtype( $latest_file ) );
217	248
		@@ -224,13 +255,15 @@
224	255
225	256	$fullpath = concat_get_path( $uri );
226	257
227	258	if ( ! file_exists( $fullpath ) ) {
	259	+ maybe_add_debug_log( sprintf( "File Optimizer 404 - Missing file: %s", $fullpath ) );
228	260	concat_http_status_exit( 404 );
229	261	}
230	262
231	263	$mime_type = concat_get_mtype( $fullpath );
232	264	if ( ! in_array( $mime_type, $concat_types ) ) {
	265	+ maybe_add_debug_log( sprintf( "File Optimizer 400 - Unsupported mime type: %s", $mime_type ) );
233	266	concat_http_status_exit( 400 );
234	267	}
235	268
236	269	if ( $concat_unique ) {
		@@ -238,8 +271,9 @@
238	271	$last_mime_type = $mime_type;
239	272	}
240	273
241	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 ) );
242	276	concat_http_status_exit( 400 );
243	277	}
244	278	}
245	279
		@@ -244,8 +278,9 @@
244	278	}
245	279
246	280	$stat = stat( $fullpath );
247	281	if ( false === $stat ) {
	282	+ maybe_add_debug_log( sprintf( "File Optimizer 500 - false stat" ) );
248	283	concat_http_status_exit( 500 );
249	284	}
250	285
251	286	if ( $stat['mtime'] > $last_modified ) {
		@@ -253,8 +288,9 @@
253	288	}
254	289
255	290	$buf = file_get_contents( $fullpath );
256	291	if ( false === $buf ) {
	292	+ maybe_add_debug_log( sprintf( "File Optimizer 500 - false buffer" ) );
257	293	concat_http_status_exit( 500 );
258	294	}
259	295
260	296	if ( 'text/css' == $mime_type ) {
		@@ -327,8 +363,9 @@
327	363	$output = $css_minify->minify();
328	364	}
329	365	}
330	366
	367	+set_cache_headers();
331	368	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $last_modified ) . ' GMT' );
332	369	header( 'Content-Length: ' . ( strlen( $pre_output ) + strlen( $output ) ) );
333	370	header( "Content-Type: $mime_type" );
334	371
		@@ -341,4 +378,68 @@
341	378	$cache_file_name .= '.css';
342	379	}
343	380
344	381	file_put_contents( $cache_file_name, $pre_output . $output );
	382	+
	383	+
	384	+/**
	385	+ * Normalize a filesystem path.
	386	+ *
	387	+ * On windows systems, replaces backslashes with forward slashes
	388	+ * and forces upper-case drive letters.
	389	+ * Allows for two leading slashes for Windows network shares, but
	390	+ * ensures that all other duplicate slashes are reduced to a single.
	391	+ *
	392	+ * @param string $path Path to normalize.
	393	+ *
	394	+ * @return string Normalized path.
	395	+ * @see wp_normalize_path
	396	+ *
	397	+ */
	398	+function file_optimizer_normalize_path( $path ) {
	399	+ $wrapper = '';
	400	+
	401	+ // Standardise all paths to use '/'.
	402	+ $path = str_replace( '\\', '/', $path );
	403	+
	404	+ // Replace multiple slashes down to a singular, allowing for network shares having two slashes.
	405	+ $path = preg_replace( '|(?<=.)/+|', '/', $path );
	406	+
	407	+ // Windows paths should uppercase the drive letter.
	408	+ if ( ':' === substr( $path, 1, 1 ) ) {
	409	+ $path = ucfirst( $path );
	410	+ }
	411	+
	412	+ return $wrapper . $path;
	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	+}