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matomo / app / core / testMinimumPhpVersion.php

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testMinimumPhpVersion.php

200 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
10	/**
11	* This file is executed before anything else.
12	* It checks the minimum PHP version required to run Matomo.
13	* This file must be compatible PHP4.
14	*/
15
16	$piwik_errorMessage = '';
17
18	// Minimum requirement: stream_resolve_include_path, working json_encode in 5.3.3, namespaces in 5.3
19	// NOTE: when changing this variable, we also need to update
20	// 1) api.matomo.org
21	// 2) tests/travis/generator/Generator.php
22	// 3) composer.json (in two places)
23	// 4) tests/PHPUnit/Integration/ReleaseCheckListTest.php
24	$piwik_minimumPHPVersion = '7.2.5';
25	$piwik_currentPHPVersion = PHP_VERSION;
26	$minimumPhpInvalid = version_compare($piwik_minimumPHPVersion, $piwik_currentPHPVersion) > 0;
27	if ($minimumPhpInvalid) {
28	$piwik_errorMessage .= "<p><strong>To run Matomo you need at least PHP version $piwik_minimumPHPVersion</strong></p>
29	<p>Unfortunately it seems your webserver is using PHP version $piwik_currentPHPVersion. </p>
30	<p>Please try to update your PHP version, Matomo is really worth it! Nowadays most web hosts
31	support PHP $piwik_minimumPHPVersion.</p>";
32	} else {
33	if (!extension_loaded('session')) {
34	$piwik_errorMessage .= "<p><strong>Matomo and Zend_Session require the session extension</strong></p>
35	<p>It appears your PHP was compiled with <pre>--disable-session</pre>.
36	To enjoy Matomo, you need PHP compiled without that configure option.</p>";
37	}
38
39	if (!function_exists('ini_set')) {
40	$piwik_errorMessage .= "<p><strong>Matomo and Zend_Session require the <code>ini_set()</code> function</strong></p>
41	<p>It appears your PHP has disabled this function.
42	To enjoy Matomo, you need remove <pre>ini_set</pre> from your <pre>disable_functions</pre> directive in php.ini, and restart your webserver.</p>";
43	}
44
45	if (ini_get('mbstring.func_overload')) {
46	$piwik_errorMessage .= "<p><strong>Matomo does not work when PHP is configured with <pre>mbstring.func_overload = " . ini_get('mbstring.func_overload') . "</pre></strong></p>
47	<p>It appears your mbstring extension in PHP is configured to override string functions.
48	To enjoy Matomo, you need to modify php.ini <pre>mbstring.func_overload = 0</pre>, and restart your webserver.</p>";
49	}
50
51	if (!function_exists('json_encode')) {
52	$piwik_errorMessage .= "<p><strong>Matomo requires the php-json extension which provides the functions <code>json_encode()</code> and <code>json_decode()</code></strong></p>
53	<p>It appears your PHP has not yet installed the php-json extension.
54	To use Matomo, please ask your web host to install php-json or install it yourself, for example on debian system: <code>sudo apt-get install php-json</code>. <br/>Then restart your webserver and refresh this page.</p>";
55	}
56
57	if (!file_exists(PIWIK_VENDOR_PATH . '/autoload.php')) {
58	$composerInstall = "In the matomo directory, run in the command line the following (eg. via ssh): \n\n"
59	. "<pre> curl -sS https://getcomposer.org/installer \| php \n\n php composer.phar install\n\n</pre> ";
60	if (DIRECTORY_SEPARATOR === '\\' /* ::isWindows() */) {
61	$composerInstall = "Download and run <a href=\"https://getcomposer.org/Composer-Setup.exe\"><b>Composer-Setup.exe</b></a>, it will install the latest Composer version and set up your PATH so that you can just call composer from any directory in your command line. "
62	. " <br>Then run this command in a terminal in the matomo directory: <br> $ php composer.phar install ";
63	}
64	$piwik_errorMessage .= "<p>It appears the <a href='https://getcomposer.org/' rel='noreferrer noopener' target='_blank'>composer</a> tool is not yet installed. You can install Composer in a few easy steps:\n\n".
65	"<br/>" . $composerInstall.
66	" This will initialize composer for Matomo and download libraries we use in vendor/* directory.".
67	"\n\n<br/><br/>Then reload this page to access your analytics reports." .
68	"\n\n<br/><br/>For more information check out this FAQ: <a href='https://matomo.org/faq/how-to-install/faq_18271/' rel='noreferrer noopener' target='_blank'>How do I use Matomo from the Git repository?</a>." .
69	"\n\n<br/><br/>Note: if for some reasons you cannot install composer, instead install the latest Matomo release from ".
70	"<a href='https://builds.matomo.org/piwik.zip' rel='noreferrer noopener'>builds.matomo.org</a>.</p>";
71	}
72	}
73
74	define('PAGE_TITLE_WHEN_ERROR', 'Matomo &rsaquo; Error');
75
76	if (!function_exists('Piwik_GetErrorMessagePage')) {
77	/**
78	* Returns true if Piwik should print the backtrace with error messages.
79	*
80	* To make sure the backtrace is printed, define PIWIK_PRINT_ERROR_BACKTRACE.
81	*
82	* @return bool
83	*/
84	function Piwik_ShouldPrintBackTraceWithMessage()
85	{
86	if (class_exists('\Piwik\SettingsServer')
87	&& class_exists('\Piwik\Common')
88	&& \Piwik\SettingsServer::isArchivePhpTriggered()
89	&& \Piwik\Common::isPhpCliMode()
90	) {
91	return true;
92	}
93
94	$bool = (defined('PIWIK_PRINT_ERROR_BACKTRACE') && PIWIK_PRINT_ERROR_BACKTRACE)
95	\|\| !empty($GLOBALS['PIWIK_PRINT_ERROR_BACKTRACE'])
96	\|\| !empty($GLOBALS['PIWIK_TRACKER_DEBUG']);
97
98	return $bool;
99	}
100
101	/**
102	* Displays info/warning/error message in a friendly UI and exits.
103	*
104	* Note: this method should not be called by anyone other than FrontController.
105	*
106	* @param string $message Main message, must be html encoded before calling
107	* @param bool\|string $optionalTrace Backtrace; will be displayed in lighter color
108	* @param bool $optionalLinks If true, will show links to the Piwik website for help
109	* @param bool $optionalLinkBack If true, displays a link to go back
110	* @param bool\|string $logoUrl The URL to the logo to use.
111	* @param bool\|string $faviconUrl The URL to the favicon to use.
112	* @return string
113	*/
114	function Piwik_GetErrorMessagePage($message, $optionalTrace = false, $optionalLinks = false, $optionalLinkBack = false,
115	$logoUrl = false, $faviconUrl = false, $isCli = null)
116	{
117	error_log(sprintf("Error in Matomo: %s", str_replace("\n", " ", strip_tags($message))));
118
119	if (!headers_sent()) {
120	header('Content-Type: text/html; charset=utf-8');
121	header('Cache-Control: private, no-cache, no-store');
122
123	$isInternalServerError = preg_match('/(sql\|database\|mysql)/i', $message);
124	if ($isInternalServerError) {
125	header('HTTP/1.1 500 Internal Server Error');
126	}
127	}
128
129	// We return only an HTML fragment for AJAX requests
130	if (isset($_SERVER['HTTP_X_REQUESTED_WITH'])
131	&& (strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest')
132	) {
133	return "<div class='alert alert-danger'><strong>Error:</strong> $message</div>";
134	}
135
136	if (empty($logoUrl)) {
137	$logoUrl = "plugins/Morpheus/images/logo.svg";
138	}
139
140	if (empty($faviconUrl)) {
141	$faviconUrl = "plugins/CoreHome/images/favicon.png";
142	}
143
144	if ($optionalTrace) {
145	$optionalTrace = '<h2>Stack trace</h2><pre>' . htmlentities($optionalTrace, ENT_COMPAT \| ENT_HTML401, 'UTF-8') . '</pre>';
146	}
147
148	if ($isCli === null) {
149	$isCli = PHP_SAPI == 'cli';
150	}
151
152	if ($optionalLinks) {
153	$optionalLinks = '<ul>
154	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org">Matomo.org homepage</a></li>
155	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org/faq/">Frequently Asked Questions</a></li>
156	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org/docs/">User Guides</a></li>
157	<li><a rel="noreferrer noopener" target="_blank" href="https://forum.matomo.org/">Matomo Forums</a></li>
158	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org/support/?pk_campaign=App_AnErrorOccured&pk_source=Matomo_App&pk_medium=ProfessionalServicesLink">Professional Support for Matomo</a></li>
159	</ul>';
160	}
161	if ($optionalLinkBack) {
162	$optionalLinkBack = '<a href="javascript:window.history.back();">Go Back</a>';
163	}
164
165	$headerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutHeader.tpl');
166	$headerPage = str_replace('%logoUrl%', $logoUrl, $headerPage);
167	$headerPage = str_replace('%faviconUrl%', $faviconUrl, $headerPage);
168
169	$footerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutFooter.tpl');
170
171	$headerPage = str_replace('{$HTML_TITLE}', PAGE_TITLE_WHEN_ERROR, $headerPage);
172
173	$content = '<h2>' . $message . '</h2>
174	<p>'
175	. $optionalLinkBack
176	. ' \| <a href="index.php">Go to Matomo</a>'
177	. '</p>'
178	. ' ' . (Piwik_ShouldPrintBackTraceWithMessage() ? $optionalTrace : '')
179	. ' ' . $optionalLinks;
180
181
182	$message = str_replace(array("<br />", "<br>", "<br/>", "</p>"), "\n", $message);
183	$message = str_replace("\t", "", $message);
184	$message = strip_tags($message);
185
186	if (!$isCli) {
187	$message = $headerPage . $content . $footerPage;
188	}
189
190	$message .= "\n";
191
192	return $message;
193	}
194	}
195
196	if (!empty($piwik_errorMessage)) {
197	echo Piwik_GetErrorMessagePage($piwik_errorMessage, false, true);
198	exit(1);
199	}
200