← All changes | logger/logger.php +334 -135 5.4.0 → 5.6.3 View file →

		@@ -13,164 +13,363 @@
13	13	if (!defined('F12_DEBUG_LOG_LEVEL')) {
14	14	define('F12_DEBUG_LOG_LEVEL', 200);
15	15	}
16	16
17		-if ( ! class_exists( 'Forge12\Shared\Logger' ) ) {
18		- class Logger implements LoggerInterface {
19		- private static $instance;
20		- private $log_file;
21		- private $log_level;
22		- private $log_dir;
	17	+if (!class_exists('Forge12\Shared\Logger')) {
	18	+ class Logger implements LoggerInterface
	19	+ {
	20	+ private static $instance;
	21	+ private $log_file;
	22	+ private $log_level;
	23	+ private $log_dir;
23	24
24		- const DEBUG = 100;
25		- const INFO = 200;
26		- const NOTICE = 250;
27		- const WARNING = 300;
28		- const ERROR = 400;
29		- const CRITICAL = 500;
	25	+ const DEBUG = 100;
	26	+ const INFO = 200;
	27	+ const NOTICE = 250;
	28	+ const WARNING = 300;
	29	+ const ERROR = 400;
	30	+ const CRITICAL = 500;
30	31
31		- private function __construct() {
32		- if ( ! defined( 'F12_DEBUG' ) || ! F12_DEBUG ) {
33		- // Wenn F12_DEBUG nicht definiert ist oder false, beenden wir.
34		- return;
35		- }
	32	+ private function __construct()
	33	+ {
	34	+ // Debug aus → Logger ist komplett deaktiviert
	35	+ if (!defined('F12_DEBUG') || !F12_DEBUG) {
	36	+ return;
	37	+ }
36	38
37		- $upload_dir = wp_upload_dir();
38		- $this->log_dir = $upload_dir['basedir'] . '/f12-logs';
	39	+ // Sicher WordPress Upload-DIR holen
	40	+ $upload_dir = wp_upload_dir();
39	41
40		- if ( ! file_exists( $this->log_dir ) ) {
41		- wp_mkdir_p( $this->log_dir );
42		- }
	42	+ if (empty($upload_dir['basedir']) || !is_string($upload_dir['basedir'])) {
	43	+ $base = WP_CONTENT_DIR . '/uploads';
	44	+ } else {
	45	+ $base = $upload_dir['basedir'];
	46	+ }
43	47
44		- // Tagesbasiert loggen
45		- $this->log_file = $this->log_dir . '/plugins-' . date('Y-m-d') . '.log';
	48	+ // Pfad normalisieren
	49	+ $base = $this->normalizePath($base);
46	50
47		- // Setze Level je nach WP_DEBUG
48		- $this->log_level = F12_DEBUG_LOG_LEVEL;
49		- }
	51	+ // Log-Ordner festlegen
	52	+ $this->log_dir = $this->normalizePath($base . '/f12-logs');
50	53
51		- public static function getInstance() {
52		- if ( ! self::$instance ) {
53		- self::$instance = new self();
54		- }
55		- return self::$instance;
56		- }
	54	+ // Falls Pfad relativ ist → absolut machen
	55	+ $this->log_dir = $this->ensureAbsolutePath($this->log_dir);
57	56
58		- private function sanitizeContext(array $context): array {
59		- foreach ($context as $key => $value) {
60		- if (in_array(strtolower($key), ['ip', 'user_ip'])) {
61		- $context[$key] = $this->mask_ip($value);
62		- }
63		- if (in_array(strtolower($key), ['email', 'user_email'])) {
64		- $context[$key] = $this->mask_email($value);
65		- }
66		- if (in_array(strtolower($key), ['password', 'pwd'])) {
67		- $context[$key] = $this->mask_password($value);
68		- }
69		- }
70		- return $context;
71		- }
	57	+ // Sicherstellen, dass Verzeichnis existiert
	58	+ if (!is_dir($this->log_dir)) {
	59	+ wp_mkdir_p($this->log_dir);
	60	+ }
72	61
73		- private function mask_password(string $password): string {
74		- return '********';
75		- }
	62	+ // The directory is inside uploads/ and therefore web-reachable.
	63	+ // A guessable name (plugins-<date>.log) was downloadable by
	64	+ // anyone on a live site. Deny rules first, unguessable file
	65	+ // names second — the latter also holds on servers that ignore
	66	+ // .htaccess (nginx).
	67	+ $secret = self::fileSecret();
	68	+ self::protectDirectory($this->log_dir);
	69	+ self::migrateGuessableFiles($this->log_dir, $secret);
76	70
77		- private function mask_email(string $email): string {
78		- if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
79		- return 'invalid';
80		- }
81		- [$user, $domain] = explode('@', $email, 2);
82		- $len = strlen($user);
83		- if ($len <= 2) {
84		- $maskedUser = substr($user, 0, 1) . '*';
85		- } else {
86		- $maskedUser = substr($user, 0, 1) . str_repeat('*', $len - 2) . substr($user, -1);
87		- }
88		- return $maskedUser . '@' . $domain;
89		- }
	71	+ // Logdatei definieren
	72	+ $this->log_file = $this->normalizePath(
	73	+ self::logFilePath($this->log_dir, date('Y-m-d'), $secret)
	74	+ );
90	75
91		- private function mask_ip(string $ip): string {
92		- if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
93		- $parts = explode('.', $ip);
94		- $parts[3] = '0';
95		- return implode('.', $parts);
96		- }
97		- if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
98		- return substr($ip, 0, 20) . '::';
99		- }
100		- return 'unknown';
101		- }
	76	+ // Logdatei 100% absolut sicher machen
	77	+ $this->log_file = $this->ensureAbsolutePath($this->log_file);
102	78
103		- private function rotateLogs(int $maxSize = 52428800, int $maxFiles = 5): void {
104		- if (file_exists($this->log_file) && filesize($this->log_file) > $maxSize) {
105		- for ($i = $maxFiles - 1; $i >= 1; $i--) {
106		- $old = $this->log_file . '.' . $i;
107		- $new = $this->log_file . '.' . ($i + 1);
108		- if (file_exists($old)) {
109		- rename($old, $new);
110		- }
111		- }
112		- rename($this->log_file, $this->log_file . '.1');
113		- }
114		- }
	79	+ // Log-Level
	80	+ $this->log_level = defined('F12_DEBUG_LOG_LEVEL')
	81	+ ? F12_DEBUG_LOG_LEVEL
	82	+ : self::INFO;
	83	+ }
115	84
116		- private function cleanupOldLogs(int $days = 7): void {
117		- foreach (glob($this->log_dir . '/plugins-*.log*') as $file) {
118		- if (filemtime($file) < strtotime("-{$days} days")) {
119		- @unlink($file);
120		- }
121		- }
122		- }
	85	+ /**
	86	+ * Daily log file: plugins-<date>-<secret>.log. The glob in
	87	+ * cleanupOldLogs() (plugins-*.log*) matches both shapes.
	88	+ */
	89	+ public static function logFilePath(string $dir, string $date, string $secret): string
	90	+ {
	91	+ return rtrim($dir, '/\\') . '/plugins-' . $date . ($secret !== '' ? '-' . $secret : '') . '.log';
	92	+ }
123	93
124		- private function writeLog( $level, $levelName, $message, array $context = [] ) {
125		- if ( ! defined( 'F12_DEBUG' ) || ! F12_DEBUG ) {
126		- // Wenn F12_DEBUG nicht definiert ist oder false, beenden wir.
127		- return;
128		- }
	94	+ /**
	95	+ * A per-site value nobody outside the server knows. Derived from
	96	+ * the wp-config keys when they are set (no database access — the
	97	+ * logger is constructed while plugins load); otherwise a random
	98	+ * value kept in an option.
	99	+ */
	100	+ public static function fileSecret(): string
	101	+ {
	102	+ $material = '';
	103	+ foreach (array('AUTH_KEY', 'AUTH_SALT', 'SECURE_AUTH_KEY') as $constant) {
	104	+ if (defined($constant)) {
	105	+ $value = (string) constant($constant);
	106	+ if ($value !== '' && $value !== 'put your unique phrase here') {
	107	+ $material .= $value;
	108	+ }
	109	+ }
	110	+ }
129	111
130		- if ( $level < $this->log_level ) {
131		- return;
132		- }
	112	+ if ($material === '' && function_exists('get_option')) {
	113	+ $stored = get_option('f12_logs_file_secret');
	114	+ if (!is_string($stored) || strlen($stored) < 32) {
	115	+ $stored = bin2hex(random_bytes(16));
	116	+ if (function_exists('update_option')) {
	117	+ update_option('f12_logs_file_secret', $stored, false);
	118	+ }
	119	+ }
	120	+ $material = $stored;
	121	+ }
133	122
134		- // Cleanup & Rotation bei jedem Schreiben
135		- $this->cleanupOldLogs();
136		- $this->rotateLogs();
	123	+ return $material === '' ? '' : substr(hash_hmac('sha256', 'f12-logs', $material), 0, 20);
	124	+ }
137	125
138		- $context = $this->sanitizeContext($context);
	126	+ /**
	127	+ * Deny web access to the log directory: Apache 2.2 and 2.4
	128	+ * (.htaccess), IIS (web.config), and no directory listing
	129	+ * (index.php). Existing files are left alone, so an admin's own
	130	+ * rules are never overwritten.
	131	+ */
	132	+ public static function protectDirectory(string $dir): void
	133	+ {
	134	+ if (!is_dir($dir) || !is_writable($dir)) {
	135	+ return;
	136	+ }
139	137
140		- $time = date( 'Y-m-d H:i:s' );
141		- $plugin = $context['plugin'] ?? 'unknown';
142		- $msg = sprintf( "[%s] [%s] [%s] %s %s\n",
143		- $time,
144		- strtoupper( $levelName ),
145		- $plugin,
146		- $message,
147		- $context ? json_encode( $context ) : ''
148		- );
149		- error_log( $msg, 3, $this->log_file );
150		- }
	138	+ $files = array(
	139	+ '.htaccess' => "# Written by the Forge12 logger. Log files must not be downloadable.\n"
	140	+ . "<IfModule mod_authz_core.c>\n\tRequire all denied\n</IfModule>\n"
	141	+ . "<IfModule !mod_authz_core.c>\n\tOrder allow,deny\n\tDeny from all\n</IfModule>\n",
	142	+ 'web.config' => "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<configuration>\n"
	143	+ . "\t<system.webServer>\n\t\t<authorization>\n\t\t\t<deny users=\"*\" />\n\t\t</authorization>\n"
	144	+ . "\t</system.webServer>\n</configuration>\n",
	145	+ 'index.php' => "<?php\n// Silence is golden.\n",
	146	+ );
151	147
152		- public function debug( $message, array $context = [] ) :void {
153		- $this->writeLog( self::DEBUG, 'DEBUG', $message, $context );
154		- }
	148	+ foreach ($files as $name => $content) {
	149	+ $path = $dir . '/' . $name;
	150	+ if (!file_exists($path)) {
	151	+ @file_put_contents($path, $content);
	152	+ }
	153	+ }
	154	+ }
155	155
156		- public function info( $message, array $context = [] ) : void {
157		- $this->writeLog( self::INFO, 'INFO', $message, $context );
158		- }
	156	+ /**
	157	+ * Rename log files from the guessable scheme (plugins-<date>.log,
	158	+ * plugins-<date>.log.<n>) so their known URLs stop working.
	159	+ */
	160	+ public static function migrateGuessableFiles(string $dir, string $secret): void
	161	+ {
	162	+ if ($secret === '' || !is_dir($dir)) {
	163	+ return;
	164	+ }
159	165
160		- public function error( $message, array $context = [] ) : void {
161		- $this->writeLog( self::ERROR, 'ERROR', $message, $context );
162		- }
	166	+ foreach ((array) glob($dir . '/plugins-*.log*') as $file) {
	167	+ if (!is_string($file)) {
	168	+ continue;
	169	+ }
	170	+ if (!preg_match('/^plugins-(\d{4}-\d{2}-\d{2})\.log(\.\d+)?$/', basename($file), $m)) {
	171	+ continue;
	172	+ }
	173	+ $target = self::logFilePath($dir, $m[1], $secret) . ($m[2] ?? '');
	174	+ if (file_exists($target)) {
	175	+ // Both exist (concurrent request): keep the content.
	176	+ @file_put_contents($target, (string) @file_get_contents($file), FILE_APPEND);
	177	+ @unlink($file);
	178	+ } else {
	179	+ @rename($file, $target);
	180	+ }
	181	+ }
	182	+ }
163	183
164		- public function warning( $message, array $context = [] ) : void {
165		- $this->writeLog( self::WARNING, 'WARNING', $message, $context );
166		- }
	184	+ public static function getInstance()
	185	+ {
	186	+ if (!self::$instance) {
	187	+ self::$instance = new self();
	188	+ }
	189	+ return self::$instance;
	190	+ }
167	191
168		- public function notice( $message, array $context = [] ) : void {
169		- $this->writeLog( self::NOTICE, 'NOTICE', $message, $context );
170		- }
	192	+ /**
	193	+ * Pfade bereinigen (Windows + Linux)
	194	+ */
	195	+ private function normalizePath(string $path): string
	196	+ {
	197	+ // Backslashes → Slashes
	198	+ $path = str_replace('\\', '/', $path);
171	199
172		- public function critical( $message, array $context = [] ) : void {
173		- $this->writeLog( self::CRITICAL, 'CRITICAL', $message, $context );
174		- }
175		- }
	200	+ // Doppelte Slashes entfernen, außer nach C:
	201	+ $path = preg_replace('#(?<!:)/{2,}#', '/', $path);
	202	+
	203	+ return rtrim($path, '/');
	204	+ }
	205	+
	206	+ /**
	207	+ * ABSOLUTEN Pfad erzwingen
	208	+ */
	209	+ private function ensureAbsolutePath(string $path): string
	210	+ {
	211	+ $path = $this->normalizePath($path);
	212	+
	213	+ // Linux absolute Pfade: /var/www/...
	214	+ if (substr($path, 0, 1) === '/') {
	215	+ return $path;
	216	+ }
	217	+
	218	+ // Windows absolute Pfade: C:/xampp/...
	219	+ if (preg_match('#^[A-Za-z]:/#', $path)) {
	220	+ return $path;
	221	+ }
	222	+
	223	+ // → Pfad ist relativ → ABSPATH davor hängen
	224	+ $absolute = $this->normalizePath(ABSPATH . '/' . $path);
	225	+
	226	+ return $absolute;
	227	+ }
	228	+
	229	+
	230	+ private function sanitizeContext(array $context): array
	231	+ {
	232	+ foreach ($context as $key => $value) {
	233	+ if (in_array(strtolower($key), ['ip', 'user_ip'])) {
	234	+ $context[$key] = $this->mask_ip($value);
	235	+ }
	236	+ if (in_array(strtolower($key), ['email', 'user_email'])) {
	237	+ $context[$key] = $this->mask_email($value);
	238	+ }
	239	+ if (in_array(strtolower($key), ['password', 'pwd'])) {
	240	+ $context[$key] = $this->mask_password($value);
	241	+ }
	242	+ }
	243	+ return $context;
	244	+ }
	245	+
	246	+ private function mask_password(string $password): string
	247	+ {
	248	+ return '********';
	249	+ }
	250	+
	251	+ private function mask_email(string $email): string
	252	+ {
	253	+ if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
	254	+ return 'invalid';
	255	+ }
	256	+ [$user, $domain] = explode('@', $email, 2);
	257	+ $len = strlen($user);
	258	+ if ($len <= 2) {
	259	+ $maskedUser = substr($user, 0, 1) . '*';
	260	+ } else {
	261	+ $maskedUser = substr($user, 0, 1) . str_repeat('*', $len - 2) . substr($user, -1);
	262	+ }
	263	+ return $maskedUser . '@' . $domain;
	264	+ }
	265	+
	266	+ private function mask_ip(string $ip): string
	267	+ {
	268	+ if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
	269	+ $parts = explode('.', $ip);
	270	+ $parts[3] = '0';
	271	+ return implode('.', $parts);
	272	+ }
	273	+ if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
	274	+ return substr($ip, 0, 20) . '::';
	275	+ }
	276	+ return 'unknown';
	277	+ }
	278	+
	279	+ private function rotateLogs(int $maxSize = 52428800, int $maxFiles = 5): void
	280	+ {
	281	+ if (file_exists($this->log_file) && filesize($this->log_file) > $maxSize) {
	282	+
	283	+ for ($i = $maxFiles - 1; $i >= 1; $i--) {
	284	+ $old = $this->log_file . '.' . $i;
	285	+ $new = $this->log_file . '.' . ($i + 1);
	286	+ if (file_exists($old)) {
	287	+ rename($old, $new);
	288	+ }
	289	+ }
	290	+
	291	+ rename($this->log_file, $this->log_file . '.1');
	292	+ }
	293	+ }
	294	+
	295	+ private function cleanupOldLogs(int $days = 7): void
	296	+ {
	297	+ foreach (glob($this->log_dir . '/plugins-*.log*') as $file) {
	298	+ if (filemtime($file) < strtotime("-{$days} days")) {
	299	+ @unlink($file);
	300	+ }
	301	+ }
	302	+ }
	303	+
	304	+ private function writeLog($level, $levelName, $message, array $context = [])
	305	+ {
	306	+ if (!defined('F12_DEBUG') || !F12_DEBUG) {
	307	+ return;
	308	+ }
	309	+
	310	+ if ($level < $this->log_level) {
	311	+ return;
	312	+ }
	313	+
	314	+ // Vor jedem Schreiben absolut sicherstellen
	315	+ $this->log_file = $this->ensureAbsolutePath($this->log_file);
	316	+
	317	+ // Cleanup & Rotation
	318	+ $this->cleanupOldLogs();
	319	+ $this->rotateLogs();
	320	+
	321	+ $context = $this->sanitizeContext($context);
	322	+
	323	+ $time = date('Y-m-d H:i:s');
	324	+ $plugin = $context['plugin'] ?? 'unknown';
	325	+
	326	+ $msg = sprintf(
	327	+ "[%s] [%s] [%s] %s %s\n",
	328	+ $time,
	329	+ strtoupper($levelName),
	330	+ $plugin,
	331	+ $message,
	332	+ $context ? json_encode($context) : ''
	333	+ );
	334	+
	335	+ // Schreiben in absolut sicheren Pfad
	336	+ error_log($msg, 3, $this->log_file);
	337	+ }
	338	+
	339	+ public function debug($message, array $context = []): void
	340	+ {
	341	+ if ( ! F12_DEBUG ) { return; }
	342	+ $this->writeLog(self::DEBUG, 'DEBUG', $message, $context);
	343	+ }
	344	+
	345	+ public function info($message, array $context = []): void
	346	+ {
	347	+ if ( ! F12_DEBUG ) { return; }
	348	+ $this->writeLog(self::INFO, 'INFO', $message, $context);
	349	+ }
	350	+
	351	+ public function error($message, array $context = []): void
	352	+ {
	353	+ if ( ! F12_DEBUG ) { return; }
	354	+ $this->writeLog(self::ERROR, 'ERROR', $message, $context);
	355	+ }
	356	+
	357	+ public function warning($message, array $context = []): void
	358	+ {
	359	+ if ( ! F12_DEBUG ) { return; }
	360	+ $this->writeLog(self::WARNING, 'WARNING', $message, $context);
	361	+ }
	362	+
	363	+ public function notice($message, array $context = []): void
	364	+ {
	365	+ if ( ! F12_DEBUG ) { return; }
	366	+ $this->writeLog(self::NOTICE, 'NOTICE', $message, $context);
	367	+ }
	368	+
	369	+ public function critical($message, array $context = []): void
	370	+ {
	371	+ if ( ! F12_DEBUG ) { return; }
	372	+ $this->writeLog(self::CRITICAL, 'CRITICAL', $message, $context);
	373	+ }
	374	+ }
176	375	}