SettingsServer.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 4.3.0

matomo / app / core / SettingsServer.php

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API 5 years ago Access 5 years ago Application 5 years ago Archive 5 years ago ArchiveProcessor 5 years ago Archiver 5 years ago AssetManager 5 years ago Auth 5 years ago Category 5 years ago CliMulti 5 years ago Columns 5 years ago Composer 5 years ago Concurrency 5 years ago Config 5 years ago Container 5 years ago CronArchive 5 years ago DataAccess 5 years ago DataFiles 5 years ago DataTable 5 years ago Db 5 years ago DeviceDetector 5 years ago Email 5 years ago Exception 5 years ago Http 5 years ago Intl 5 years ago Mail 5 years ago Measurable 5 years ago Menu 5 years ago Metrics 5 years ago Notification 5 years ago Period 5 years ago Plugin 5 years ago ProfessionalServices 5 years ago Report 5 years ago ReportRenderer 5 years ago Scheduler 5 years ago Segment 5 years ago Session 5 years ago Settings 5 years ago Tracker 5 years ago Translation 5 years ago UpdateCheck 5 years ago Updater 5 years ago Updates 5 years ago Validators 5 years ago View 5 years ago ViewDataTable 5 years ago Visualization 5 years ago Widget 5 years ago .htaccess 6 years ago Access.php 5 years ago Archive.php 5 years ago ArchiveProcessor.php 5 years ago AssetManager.php 5 years ago Auth.php 5 years ago AuthResult.php 5 years ago BaseFactory.php 5 years ago Cache.php 5 years ago CacheId.php 5 years ago CliMulti.php 5 years ago Common.php 5 years ago Config.php 5 years ago Console.php 5 years ago Context.php 5 years ago Cookie.php 5 years ago CronArchive.php 5 years ago DataArray.php 5 years ago DataTable.php 5 years ago Date.php 5 years ago Db.php 5 years ago DbHelper.php 5 years ago Development.php 5 years ago ErrorHandler.php 5 years ago EventDispatcher.php 5 years ago ExceptionHandler.php 5 years ago FileIntegrity.php 5 years ago Filechecks.php 5 years ago Filesystem.php 5 years ago FrontController.php 5 years ago Http.php 5 years ago IP.php 5 years ago Log.php 5 years ago LogDeleter.php 5 years ago Mail.php 5 years ago Metrics.php 5 years ago NoAccessException.php 5 years ago Nonce.php 5 years ago Notification.php 5 years ago NumberFormatter.php 5 years ago Option.php 5 years ago Period.php 5 years ago Piwik.php 5 years ago Plugin.php 5 years ago Profiler.php 5 years ago ProxyHeaders.php 5 years ago ProxyHttp.php 5 years ago QuickForm2.php 5 years ago RankingQuery.php 5 years ago ReportRenderer.php 5 years ago Segment.php 5 years ago Sequence.php 5 years ago Session.php 5 years ago SettingsPiwik.php 5 years ago SettingsServer.php 5 years ago Singleton.php 5 years ago Site.php 5 years ago SupportedBrowser.php 5 years ago TCPDF.php 5 years ago Theme.php 5 years ago Timer.php 5 years ago Tracker.php 5 years ago Twig.php 5 years ago Unzip.php 5 years ago UpdateCheck.php 5 years ago Updater.php 5 years ago UpdaterErrorException.php 5 years ago Updates.php 5 years ago Url.php 5 years ago UrlHelper.php 5 years ago Version.php 5 years ago View.php 5 years ago bootstrap.php 5 years ago dispatch.php 5 years ago testMinimumPhpVersion.php 5 years ago

SettingsServer.php

274 lines

1	<?php
2	/**
3	* Matomo - free/libre analytics platform
4	*
5	* @link https://matomo.org
6	* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
7	*
8	*/
9	namespace Piwik;
10
11	/**
12	* Contains helper methods that can be used to get information regarding the
13	* server, its settings and currently used PHP settings.
14	*
15	*/
16	class SettingsServer
17	{
18	/**
19	* Returns true if the current script execution was triggered by the cron archiving script.
20	*
21	* Helpful for error handling: directly throw error without HTML (eg. when DB is down).
22	*
23	* @return bool
24	* @api
25	*/
26	public static function isArchivePhpTriggered()
27	{
28	return !empty($_GET['trigger'])
29	&& $_GET['trigger'] == 'archivephp'
30	&& Piwik::hasUserSuperUserAccess();
31	}
32
33	/**
34	* Returns true if the current request is a Tracker request.
35	*
36	* @return bool true if the current request is a Tracking API Request (ie. piwik.php)
37	*/
38	public static function isTrackerApiRequest()
39	{
40	return !empty($GLOBALS['PIWIK_TRACKER_MODE']);
41	}
42
43	/**
44	* Mark the current request as a Tracker API request
45	*/
46	public static function setIsTrackerApiRequest()
47	{
48	$GLOBALS['PIWIK_TRACKER_MODE'] = true;
49	}
50
51	/**
52	* Set the current request is not a tracker API request
53	*/
54	public static function setIsNotTrackerApiRequest()
55	{
56	$GLOBALS['PIWIK_TRACKER_MODE'] = false;
57	}
58
59	/**
60	* Returns true if Matomo is running within Matomo for WordPress.
61	*
62	* @return bool true if Matomo is running in WordPress, false if Matomo is running as part of On-Premise
63	* @api
64	*/
65	public static function isMatomoForWordPress()
66	{
67	return defined( 'ABSPATH') && function_exists('\add_action');
68	}
69
70	/**
71	* Returns `true` if running on Microsoft IIS 7 (or above), `false` if otherwise.
72	*
73	* @return bool
74	* @api
75	*/
76	public static function isIIS()
77	{
78	$iis = isset($_SERVER['SERVER_SOFTWARE']) &&
79	preg_match('/^Microsoft-IIS\/(.+)/', $_SERVER['SERVER_SOFTWARE'], $matches) &&
80	version_compare($matches[1], '7') >= 0;
81
82	return $iis;
83	}
84
85	/**
86	* Returns `true` if running on a Windows operating system, `false` if otherwise.
87	*
88	* @since 0.6.5
89	* @return bool
90	* @api
91	*/
92	public static function isWindows()
93	{
94	if (PHP_OS_FAMILY == "Unknown") {
95	return DIRECTORY_SEPARATOR === '\\';
96	}
97	return PHP_OS_FAMILY === "Windows";
98	}
99
100	/**
101	* Returns `true` if this PHP version/build supports timezone manipulation
102	* (e.g., php >= 5.2, or compiled with EXPERIMENTAL_DATE_SUPPORT=1 for
103	* php < 5.2).
104	*
105	* @return bool
106	* @api
107	*/
108	public static function isTimezoneSupportEnabled()
109	{
110	return
111	function_exists('date_create') &&
112	function_exists('date_default_timezone_set') &&
113	function_exists('timezone_identifiers_list') &&
114	function_exists('timezone_open') &&
115	function_exists('timezone_offset_get');
116	}
117
118	/**
119	* Returns `true` if the GD PHP extension is available, `false` if otherwise.
120	*
121	* _Note: ImageGraph and the sparkline report visualization depend on the GD extension._
122	*
123	* @return bool
124	* @api
125	*/
126	public static function isGdExtensionEnabled()
127	{
128	static $gd = null;
129	if (is_null($gd)) {
130	$gd = false;
131
132	$extensions = @get_loaded_extensions();
133	if (is_array($extensions)) {
134	$gd = in_array('gd', $extensions) && function_exists('imageftbbox');
135	}
136	}
137
138	return $gd;
139	}
140
141	/**
142	* Raise PHP memory limit if below the minimum required
143	*
144	* @return bool true if set; false otherwise
145	*/
146	public static function raiseMemoryLimitIfNecessary()
147	{
148	if (self::isArchivePhpTriggered()) {
149	// core:archive command: no time limit
150	self::setMaxExecutionTime( 0 );
151	}
152
153	$memoryLimit = self::getMemoryLimitValue();
154	if ($memoryLimit === false) {
155	return false;
156	}
157	$minimumMemoryLimit = Config::getInstance()->General['minimum_memory_limit'];
158
159	if (self::isArchivePhpTriggered()) {
160	// core:archive command: high memory limit
161	$minimumMemoryLimitWhenArchiving = Config::getInstance()->General['minimum_memory_limit_when_archiving'];
162	if ($memoryLimit < $minimumMemoryLimitWhenArchiving) {
163	return self::setMemoryLimit($minimumMemoryLimitWhenArchiving);
164	}
165	return false;
166	}
167	if ($memoryLimit < $minimumMemoryLimit) {
168	return self::setMemoryLimit($minimumMemoryLimit);
169	}
170	return false;
171	}
172
173	/**
174	* Set PHP memory limit
175	*
176	* Note: system settings may prevent scripts from overriding the master value
177	*
178	* @param int $minimumMemoryLimit
179	* @return bool true if set; false otherwise
180	*/
181	protected static function setMemoryLimit($minimumMemoryLimit)
182	{
183	// in Megabytes
184	$currentValue = self::getMemoryLimitValue();
185	if ($currentValue === false
186	\|\| ($currentValue < $minimumMemoryLimit && @ini_set('memory_limit', $minimumMemoryLimit . 'M'))
187	) {
188	return true;
189	}
190	return false;
191	}
192
193	/**
194	* Get php memory_limit (in Megabytes)
195	*
196	* Prior to PHP 5.2.1, or on Windows, --enable-memory-limit is not a
197	* compile-time default, so ini_get('memory_limit') may return false.
198	*
199	* @return int\|bool memory limit in megabytes, or false if there is no limit
200	*/
201	public static function getMemoryLimitValue()
202	{
203	if (($memory = ini_get('memory_limit')) > 0) {
204	return self::getMegaBytesFromShorthandByte($memory);
205	}
206
207	// no memory limit
208	return false;
209	}
210
211	/**
212	* Get php post_max_size (in Megabytes)
213	*
214	* @return int\|bool max upload size in megabytes, or false if there is no limit
215	*/
216	public static function getPostMaxUploadSize()
217	{
218	if (($maxPostSize = ini_get('post_max_size')) > 0) {
219	return self::getMegaBytesFromShorthandByte($maxPostSize);
220	}
221
222	// no max upload size
223	return false;
224	}
225
226	/**
227	* @see http://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
228	* @param $value
229	* @return false\|float\|int
230	*/
231	private static function getMegaBytesFromShorthandByte($value)
232	{
233	$value = str_replace(' ', '', $value);
234
235	$shorthandByteOption = substr($value, -1);
236	switch ($shorthandByteOption) {
237	case 'G':
238	case 'g':
239	return substr($value, 0, -1) * 1024;
240	case 'M':
241	case 'm':
242	return substr($value, 0, -1);
243	case 'K':
244	case 'k':
245	return substr($value, 0, -1) / 1024;
246	}
247
248	if (is_numeric($value)) {
249	return (int) $value / 1048576;
250	}
251
252	return false;
253	}
254
255	/**
256	* Set maximum script execution time.
257	*
258	* @param int $executionTime max execution time in seconds (0 = no limit)
259	*/
260	public static function setMaxExecutionTime($executionTime)
261	{
262	// in the event one or the other is disabled...
263	@ini_set('max_execution_time', $executionTime);
264	if (function_exists('set_time_limit')) {
265	@set_time_limit($executionTime);
266	}
267	}
268
269	public static function isMac()
270	{
271	return defined('PHP_OS') && PHP_OS === 'Darwin';
272	}
273	}
274