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SetupCheck.php
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1 <?php
2 namespace TYPO3\CMS\Install\SystemEnvironment;
3 
4 /*
5  * This file is part of the TYPO3 CMS project.
6  *
7  * It is free software; you can redistribute it and/or modify it under
8  * the terms of the GNU General Public License, either version 2
9  * of the License, or any later version.
10  *
11  * For the full copyright and license information, please read the
12  * LICENSE.txt file that was distributed with this source code.
13  *
14  * The TYPO3 project - inspiring people to share!
15  */
16 
19 use TYPO3\CMS\Install\Status;
20 
31 {
37  public function getStatus()
38  {
39  $status = [];
40 
41  $status[] = $this->checkTrustedHostPattern();
42  $status[] = $this->checkDownloadsPossible();
43  $status[] = $this->checkSystemLocale();
44  $status[] = $this->checkLocaleWithUTF8filesystem();
45  $status[] = $this->checkSomePhpOpcodeCacheIsLoaded();
46  $status[] = $this->isTrueTypeFontWorking();
47  $status[] = $this->checkLibXmlBug();
48 
49  return $status;
50  }
51 
57  protected function checkTrustedHostPattern()
58  {
59  if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] === GeneralUtility::ENV_TRUSTED_HOSTS_PATTERN_ALLOW_ALL) {
60  $status = new Status\WarningStatus();
61  $status->setTitle('Trusted hosts pattern is insecure');
62  $status->setMessage('Trusted hosts pattern is configured to allow all header values. Check the pattern defined in Install Tool -> All configuration -> System -> trustedHostsPattern and adapt it to expected host value(s).');
63  } else {
65  $status = new Status\OkStatus();
66  $status->setTitle('Trusted hosts pattern is configured to allow current host value.');
67  } else {
68  $status = new Status\ErrorStatus();
69  $status->setTitle('Trusted hosts pattern mismatch');
70  $status->setMessage('The trusted hosts pattern will be configured to allow all header values. This is because your $SERVER_NAME is "' . htmlspecialchars($_SERVER['SERVER_NAME']) . '" while your HTTP_HOST is "' . htmlspecialchars($_SERVER['HTTP_HOST']) . '". Check the pattern defined in Install Tool -> All configuration -> System -> trustedHostsPattern and adapt it to expected host value(s).');
71  }
72  }
73 
74  return $status;
75  }
76 
83  protected function checkDownloadsPossible()
84  {
85  $allowUrlFopen = (bool)ini_get('allow_url_fopen');
86  $curlEnabled = function_exists('curl_version');
87  if ($allowUrlFopen || $curlEnabled) {
88  $status = new Status\OkStatus();
89  $status->setTitle('Fetching external URLs is allowed');
90  } else {
91  $status = new Status\WarningStatus();
92  $status->setTitle('Fetching external URLs is not allowed');
93  $status->setMessage(
94  'Either enable PHP runtime setting "allow_url_fopen"' . LF . 'or compile curl into your PHP with --with-curl.'
95  );
96  }
97 
98  return $status;
99  }
100 
106  protected function checkSystemLocale()
107  {
108  $currentLocale = setlocale(LC_CTYPE, 0);
109 
110  // On Windows an empty locale value uses the regional settings from the Control Panel
111  if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale'] === '' && TYPO3_OS !== 'WIN') {
112  $status = new Status\InfoStatus();
113  $status->setTitle('Empty systemLocale setting');
114  $status->setMessage(
115  '$GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale] is not set. This is fine as long as no UTF-8' .
116  ' file system is used.'
117  );
118  } elseif (setlocale(LC_CTYPE, $GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale']) === false) {
119  $status = new Status\ErrorStatus();
120  $status->setTitle('Incorrect systemLocale setting');
121  $status->setMessage(
122  'Current value of the $GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale] is incorrect. A locale with' .
123  ' this name doesn\'t exist in the operating system.'
124  );
125  setlocale(LC_CTYPE, $currentLocale);
126  } else {
127  $status = new Status\OkStatus();
128  $status->setTitle('System locale is correct');
129  }
130 
131  return $status;
132  }
133 
140  protected function checkLocaleWithUTF8filesystem()
141  {
142  if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['UTF8filesystem']) {
143  // On Windows an empty local value uses the regional settings from the Control Panel
144  if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale'] === '' && TYPO3_OS !== 'WIN') {
145  $status = new Status\ErrorStatus();
146  $status->setTitle('System locale not set on UTF-8 file system');
147  $status->setMessage(
148  '$GLOBALS[TYPO3_CONF_VARS][SYS][UTF8filesystem] is set, but $GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale]' .
149  ' is empty. Make sure a valid locale which supports UTF-8 is set.'
150  );
151  } else {
152  $testString = 'ÖöĄĆŻĘĆćążąęó.jpg';
153  $currentLocale = setlocale(LC_CTYPE, 0);
154  $quote = TYPO3_OS === 'WIN' ? '"' : '\'';
155  setlocale(LC_CTYPE, $GLOBALS['TYPO3_CONF_VARS']['SYS']['systemLocale']);
156  if (escapeshellarg($testString) === $quote . $testString . $quote) {
157  $status = new Status\OkStatus();
158  $status->setTitle('File names with UTF-8 characters can be used.');
159  } else {
160  $status = new Status\ErrorStatus();
161  $status->setTitle('System locale setting doesn\'t support UTF-8 file names.');
162  $status->setMessage(
163  'Please check your $GLOBALS[TYPO3_CONF_VARS][SYS][systemLocale] setting.'
164  );
165  }
166  setlocale(LC_CTYPE, $currentLocale);
167  }
168  } else {
169  $status = new Status\OkStatus();
170  $status->setTitle('Skipping test, as UTF8filesystem is not enabled.');
171  }
172 
173  return $status;
174  }
175 
181  protected function checkSomePhpOpcodeCacheIsLoaded()
182  {
183  // Link to our wiki page, so we can update opcode cache issue information independent of TYPO3 CMS releases.
184  $wikiLink = 'For more information take a look in our wiki ' . TYPO3_URL_WIKI_OPCODECACHE . '.';
185  $opcodeCaches = GeneralUtility::makeInstance(OpcodeCacheService::class)->getAllActive();
186  if (empty($opcodeCaches)) {
187  // Set status to notice. It needs to be notice so email won't be triggered.
188  $status = new Status\NoticeStatus();
189  $status->setTitle('No PHP opcode cache loaded');
190  $status->setMessage(
191  'PHP opcode caches hold a compiled version of executed PHP scripts in' .
192  ' memory and do not require to recompile a script each time it is accessed.' .
193  ' This can be a massive performance improvement and can reduce the load on a' .
194  ' server in general. A parse time reduction by factor three for fully cached' .
195  ' pages can be achieved easily if using an opcode cache.' .
196  LF . $wikiLink
197  );
198  } else {
199  $status = new Status\OkStatus();
200  $message = '';
201  foreach ($opcodeCaches as $opcodeCache => $properties) {
202  $message .= 'Name: ' . $opcodeCache . ' Version: ' . $properties['version'];
203  $message .= LF;
204  if ($properties['error']) {
205  // Set status to error if not already set
206  if ($status->getSeverity() !== 'error') {
207  $status = new Status\ErrorStatus();
208  }
209  $message .= ' This opcode cache is marked as malfunctioning by the TYPO3 CMS Team.';
210  } elseif ($properties['canInvalidate']) {
211  $message .= ' This opcode cache should work correctly and has good performance.';
212  } else {
213  // Set status to notice if not already error set. It needs to be notice so email won't be triggered.
214  if ($status->getSeverity() !== 'error' || $status->getSeverity() !== 'warning') {
215  $status = new Status\NoticeStatus();
216  }
217  $message .= ' This opcode cache may work correctly but has medium performance.';
218  }
219  $message .= LF;
220  }
221  $message .= $wikiLink;
222  // Set title of status depending on serverity
223  switch ($status->getSeverity()) {
224  case 'error':
225  $status->setTitle('A possibly malfunctioning PHP opcode cache is loaded');
226  break;
227  case 'warning':
228  $status->setTitle('A PHP opcode cache is loaded which may cause problems');
229  break;
230  case 'ok':
231  default:
232  $status->setTitle('A PHP opcode cache is loaded');
233  break;
234  }
235  $status->setMessage($message);
236  }
237 
238  return $status;
239  }
240 
246  protected function isTrueTypeFontWorking()
247  {
248  if (function_exists('imageftbbox')) {
249  // 20 Pixels at 96 DPI
250  $fontSize = (20 / 96 * 72);
251  $textDimensions = @imageftbbox(
252  $fontSize,
253  0,
254  __DIR__ . '/../../Resources/Private/Font/vera.ttf',
255  'Testing true type support'
256  );
257  $fontBoxWidth = $textDimensions[2] - $textDimensions[0];
258  if ($fontBoxWidth < 300 && $fontBoxWidth > 200) {
259  $status = new Status\OkStatus();
260  $status->setTitle('FreeType True Type Font DPI');
261  $status->setMessage('Fonts are rendered by FreeType library. ' .
262  'We need to ensure that the final dimensions are as expected. ' .
263  'This server renderes fonts based on 96 DPI correctly');
264  } else {
265  $status = new Status\NoticeStatus();
266  $status->setTitle('FreeType True Type Font DPI');
267  $status->setMessage('Fonts are rendered by FreeType library. ' .
268  'This server does not render fonts as expected. ' .
269  'Please check your FreeType 2 module.');
270  }
271  } else {
272  $status = new Status\ErrorStatus();
273  $status->setTitle('PHP GD library freetype2 support missing');
274  $status->setMessage(
275  'The core relies on GD library compiled into PHP with freetype2' .
276  ' support. This is missing on your system. Please install it.'
277  );
278  }
279 
280  return $status;
281  }
282 
288  protected function checkLibXmlBug()
289  {
290  $sampleArray = ['Test>><<Data'];
291  $xmlContent = '<numIndex index="0">Test&gt;&gt;&lt;&lt;Data</numIndex>' . LF;
292  $xml = GeneralUtility::array2xml($sampleArray, '', -1);
293 
294  if ($xmlContent !== $xml) {
295  $status = new Status\ErrorStatus();
296  $status->setTitle('PHP libxml bug present');
297  $status->setMessage(
298  'Some hosts have problems saving ">><<" in a flexform.' .
299  ' To fix this, enable [BE][flexformForceCDATA] in' .
300  ' All Configuration.'
301  );
302  } else {
303  $status = new Status\OkStatus();
304  $status->setTitle('PHP libxml bug not present');
305  }
306 
307  return $status;
308  }
309 }
static array2xml(array $array, $NSprefix= '', $level=0, $docTag= 'phparray', $spaceInd=0, array $options=[], array $stackData=[])
if(TYPO3_MODE=== 'BE') $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_tsfebeuserauth.php']['frontendEditingController']['default']
static makeInstance($className,...$constructorArguments)
static hostHeaderValueMatchesTrustedHostsPattern($hostHeaderValue)